commit 439051e52cea172e14780445a230a46556789a0a Author: Quantum Date: Sun Mar 14 21:13:29 2021 -0400 Initial Commit Late as shit... as usual diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..b9021b7 --- /dev/null +++ b/.gitignore @@ -0,0 +1,65 @@ +# Created by https://www.toptal.com/developers/gitignore/api/cmake,c++ +# Edit at https://www.toptal.com/developers/gitignore?templates=cmake,c++ + +### C++ ### +# Prerequisites +*.d + +# Compiled Object files +*.slo +*.lo +*.o +*.obj + +# Precompiled Headers +*.gch +*.pch + +# Linker files +*.ilk + +# Debugger Files +*.pdb + +# Compiled Dynamic libraries +*.so +*.dylib +*.dll + +# Fortran module files +*.mod +*.smod + +# Compiled Static libraries +*.lai +*.la +*.a +*.lib + +# Executables +*.exe +*.out +*.app + +### CMake ### +CMakeLists.txt.user +CMakeCache.txt +CMakeFiles +CMakeScripts +Testing +Makefile +cmake_install.cmake +install_manifest.txt +compile_commands.json +CTestTestfile.cmake +_deps +CMakeUserPresets.json + +### CMake Patch ### +# External projects +*-prefix/ + +# End of https://www.toptal.com/developers/gitignore/api/cmake,c++ + +build/ + diff --git a/CMakeLists.txt b/CMakeLists.txt new file mode 100644 index 0000000..1651e9f --- /dev/null +++ b/CMakeLists.txt @@ -0,0 +1,17 @@ +cmake_minimum_required(VERSION 3.10) +project(main) + +set(CMAKE_CXX_STANDARD 17) +set(CMAKE_CXX_STANDARD_REQUIRED True) + +set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Werror") + +include_directories(src) +add_definitions(-g) +add_definitions(-fsanitize=address) + +file(GLOB SOURCES "src/*.cpp" "src/**/*.cpp") + +add_executable(${CMAKE_PROJECT_NAME} ${SOURCES}) +target_link_libraries(${CMAKE_PROJECT_NAME} X11 GL pthread png stdc++fs) +target_link_options(${CMAKE_PROJECT_NAME} PRIVATE -fsanitize=address) diff --git a/src/app.cpp b/src/app.cpp new file mode 100644 index 0000000..df9cd55 --- /dev/null +++ b/src/app.cpp @@ -0,0 +1,93 @@ +#include "app.h" + +#include "map/map.h" +#include "tiles/dirt.h" +#include "tiles/grass.h" +#include "util/vector2.h" + +#include + +App::App() : + m_render(this) { + sAppName = "Automation"; +} + +bool App::OnUserCreate() +{ + std::cout << "Create" << std::endl; + return true; +} + +bool App::OnUserUpdate(float delta) +{ + Vector2 screen = {ScreenWidth(), ScreenHeight()}; + Vector2 mouse = {GetMouseX(), GetMouseY()}; + + // Save and load keys + if(GetKey(olc::Key::S).bReleased) + m_map.save(); + if(GetKey(olc::Key::L).bReleased) + m_map.load(); + + // Basic block placing + if(GetMouse(0).bPressed) { + auto screen_pos = mouse - m_camera_pos; + auto tile_pos = screen_pos / (TILE_SIZE + 1); + if(screen_pos.x() < 0) tile_pos -= {1, 0}; + if(screen_pos.y() < 0) tile_pos -= {0, 1}; + m_map.set_tile(tile_pos, new Tile()); + } + if(GetMouse(1).bPressed) { + auto screen_pos = mouse - m_camera_pos; + auto tile_pos = screen_pos / (TILE_SIZE + 1); + if(screen_pos.x() < 0) tile_pos -= {1, 0}; + if(screen_pos.y() < 0) tile_pos -= {0, 1}; + m_map.set_tile(tile_pos, new Dirt()); + } + + // Pan camera with middle mouse + if(GetMouse(2).bPressed) { + m_drag_start = {GetMouseX(), GetMouseY()}; + } + if(GetMouse(2).bHeld) { + m_camera_pos += mouse - m_drag_start; + m_drag_start = mouse; + } + + m_render.set_camera_pos(m_camera_pos); + + // Clear screen + Clear({24, 24, 24}); + + // Render only what we can see + auto min = -m_camera_pos / (TILE_SIZE + 1); + auto max = (screen - m_camera_pos) / (TILE_SIZE + 1); + + for(int y = min.y() - 1; y < max.y() + 1; y++) { + for(int x = min.x() - 1; x < max.x() + 1; x++) { + auto node = m_map.at(Vector2(x, y)); + node.render(m_render); + } + } + + // Draw current coordinates in top left + char buf[128] = ""; + sprintf(buf, "%d, %d", -m_camera_pos.x() / TILE_SIZE, -m_camera_pos.y() / TILE_SIZE); + DrawString(0, 0, buf, {255, 255, 255}, 1); + + return true; +} + +bool App::OnUserDestroy() { + std::cout << "Destroy" << std::endl; + return true; +} + +int main() +{ + App app; + if (app.Construct(800, 600, 1, 1)) + app.Start(); + + return 0; +} diff --git a/src/app.h b/src/app.h new file mode 100644 index 0000000..e3ac11a --- /dev/null +++ b/src/app.h @@ -0,0 +1,25 @@ +#pragma once + +#define OLC_PGE_APPLICATION +#include "olcPixelGameEngine.h" + +#include "map/map.h" +#include "util/render.h" + +class App : public olc::PixelGameEngine { +public: + App(); + +public: + bool OnUserCreate() override; + bool OnUserUpdate(float delta) override; + bool OnUserDestroy() override; + +private: + Render m_render; + Map m_map; + + Vector2 m_drag_start; + Vector2 m_camera_pos; +}; + diff --git a/src/map/generator.cpp b/src/map/generator.cpp new file mode 100644 index 0000000..6b60533 --- /dev/null +++ b/src/map/generator.cpp @@ -0,0 +1,31 @@ +#include "map/generator.h" +#include "tiles/dirt.h" +#include "tiles/grass.h" +#include "tiles/stone.h" + +Generator::Generator() { + // set_seed(420); +} + +void Generator::generate(Vector2 pos, Region ®ion) { + for(int y = 0; y < REGION_SIZE; y++) { + for(int x = 0; x < REGION_SIZE; x++) { + auto world_pos = pos * REGION_SIZE + Vector2(x, y); + double noise = m_noise.accumulatedOctaveNoise2D_0_1( + world_pos.x() / 64.0, + world_pos.y() / 64.0, + 5 + ); + + Tile *tile; + if(noise > 0.85) { + tile = new Stone(); + } else if(noise > 0.3) { + tile = new Grass(); + } else { + tile = new Dirt(); + } + region.at({x, y}).set_tile(tile); + } + } +} diff --git a/src/map/generator.h b/src/map/generator.h new file mode 100644 index 0000000..6d96f6b --- /dev/null +++ b/src/map/generator.h @@ -0,0 +1,19 @@ +#pragma once + +#include "map/region.h" +#include "perlin.h" +#include "util/vector2.h" + +class Generator { + public: + Generator(); + + // void set_seed(int seed) { m_noise.reseed(seed); } + int seed() { return m_seed; } + + void generate(Vector2 pos, Region ®ion); + + private: + int m_seed; + siv::PerlinNoise m_noise; +}; diff --git a/src/map/map.cpp b/src/map/map.cpp new file mode 100644 index 0000000..9755672 --- /dev/null +++ b/src/map/map.cpp @@ -0,0 +1,62 @@ +#include "map/map.h" + +#include + +#include "tiles/grass.h" + +#define MOD(a, b) (((b) + ((a) % (b))) % (b)) + +Node &Map::at(Vector2 pos) { + Vector2 region_offset = pos / (REGION_SIZE + 0); + // Floor division + if(pos.x() < 0 && pos.x() % REGION_SIZE) region_offset -= {1, 0}; + if(pos.y() < 0 && pos.y() % REGION_SIZE) region_offset -= {0, 1}; + + auto it = m_reigons.find(region_offset); + + if(it == m_reigons.end()) { + m_reigons.insert( + std::pair, Region>( + region_offset, + load_or_create_region(region_offset) + ) + ); + } + + Region ®ion = m_reigons.at(region_offset); + + Vector2 tile_offset = Vector2(MOD(pos.x(), REGION_SIZE), MOD(pos.y(), REGION_SIZE)); + return region.at(tile_offset); +} + +void Map::set_tile(Vector2 pos, Tile *tile) { + at(pos).set_tile(tile); +} + +void Map::save() { + for(auto &elm : m_reigons) { + elm.second.save(); + } +} + +void Map::load() { + for(auto &elm : m_reigons) { + elm.second.load(); + } +} + +Region Map::load_or_create_region(Vector2 pos) { + Region region(pos); + if(!region.load()) { + std::cout << "Generating region @" << pos << std::endl; + // Call generator + m_grass.generate(pos, region); + + // Save the newly generated region + region.save(); + } else { + std::cout << "Loaded region @" << pos << std::endl; + } + return region; +} + diff --git a/src/map/map.h b/src/map/map.h new file mode 100644 index 0000000..08e770a --- /dev/null +++ b/src/map/map.h @@ -0,0 +1,24 @@ +#pragma once + +#include + +#include "map/generator.h" +#include "map/region.h" +#include "util/vector2.h" + +class Map { + public: + Map() = default; + + Node &at(Vector2 pos); + void set_tile(Vector2 pos, Tile *tile); + + void save(); + void load(); + + private: + Region load_or_create_region(Vector2 pos); + + std::map, Region> m_reigons; + Generator m_grass; +}; diff --git a/src/map/node.cpp b/src/map/node.cpp new file mode 100644 index 0000000..a7800d4 --- /dev/null +++ b/src/map/node.cpp @@ -0,0 +1,68 @@ +#include "map/node.h" + +#include "tiles/dirt.h" +#include "tiles/grass.h" +#include "tiles/stone.h" + +Node::Node(const Node &other) { + if(other.m_tile) m_tile = other.m_tile->clone(); + // if(other.m_entity) m_entity = other.m_entity->clone(); + + m_pos = other.m_pos; + m_size = other.m_size; +} + +Node::~Node() { + if(m_tile) delete m_tile; + // if(m_entity) delete(m_entity); +} + +void Node::render(Render r) { + if(m_tile) + m_tile->render(r, pos(), size()); +} + +std::ostream &operator<<(std::ostream &os, const Node &node) { + os.write(reinterpret_cast(&node.m_size), sizeof(node.m_size)); + + if(node.m_tile) { + os << '\x01'; + os << *node.m_tile; + } else { + os << '\x00'; + } + + return os; +} + +std::istream &operator>>(std::istream &is, Node &node) { + is.read(reinterpret_cast(&node.m_size), sizeof(node.m_size)); + + uint8_t has_tile = 0; + is.read(reinterpret_cast(&has_tile), sizeof(has_tile)); + if(has_tile) { + int id = 0; + // TODO: Move / figure this shit out + is.read(reinterpret_cast(&id), sizeof(id)); + Tile *tile; + switch(id) { + case -1: + tile = new Tile(); + break; + case 1: + tile = new Dirt(); + break; + case 2: + tile = new Grass(); + break; + case 3: + tile = new Stone(); + default: + break; + } + if(tile) node.set_tile(tile); + is >> *node.m_tile; + } + + return is; +} diff --git a/src/map/node.h b/src/map/node.h new file mode 100644 index 0000000..8bda56c --- /dev/null +++ b/src/map/node.h @@ -0,0 +1,54 @@ +#pragma once + +#include + +#include "tiles/tile.h" +#include "util/render.h" +#include "util/vector2.h" + + +class Node { + public: + Node() : Node({0, 0}, {1, 1}) {} + Node(Vector2 pos, Vector2 size) : + m_pos(pos), + m_size(size) {} + + Node(const Node &other); + Node &operator=(const Node &other) = default; + + ~Node(); + + // Get a reference to the tile associated with this node + Tile *tile() { return m_tile; } + void set_tile(Tile *tile) { + if(m_tile) + delete m_tile; + + m_tile = tile; + } + + // Get a reference to the tile entity associated with this node + // Entity &entity() { return *m_entity; } + + // Get/Set the position in world coordinates + Vector2 pos() { return m_pos; } + void set_pos(Vector2 pos) { m_pos = pos; } + + // Get/Set the size of this block in tiles + Vector2 size() { return m_size; } + void set_size(Vector2 size) { m_size = size; } + + void render(Render r); + + friend std::ostream &operator<<(std::ostream &os, const Node &node); + friend std::istream &operator>>(std::istream &is, Node &node); + + + private: + Tile *m_tile = 0; + // Entity *m_entity; + + Vector2 m_pos; + Vector2 m_size; +}; diff --git a/src/map/region.cpp b/src/map/region.cpp new file mode 100644 index 0000000..d688823 --- /dev/null +++ b/src/map/region.cpp @@ -0,0 +1,66 @@ +#include "map/region.h" + +#include +#include +using std::ios; +using std::ofstream; +using std::ifstream; + +Region::Region(Vector2 pos) : + m_pos(pos) { + // Initialize node positions + for(int y = 0; y < REGION_SIZE; y++) + for(int x = 0; x < REGION_SIZE; x++) + m_nodes[y][x] = Node(pos * REGION_SIZE + Vector2(x, y), {1, 1}); +} + +Node &Region::at(Vector2 pos) { + if(pos.x() < 0 || pos.y() < 0 || pos.x() >= REGION_SIZE || pos.y() >= REGION_SIZE) { + printf("[ERR] Region::at(%i, %i): Invalid tile location!", pos.x(), pos.y()); + return *(Node *)0; // TODO: Crash + } + + return m_nodes[pos.y()][pos.x()]; +} + +bool Region::save() { + char path[25]; + sprintf(path, "region/%d_%d.dat", m_pos.x(), m_pos.y()); + ofstream file; + file.open(path, ios::out | ios::binary); + + if(!file.good()) return false; + + file.write(reinterpret_cast(&m_pos), sizeof(m_pos)); + + for(int y = 0; y < REGION_SIZE; y++) + for(int x = 0; x < REGION_SIZE; x++) + file << m_nodes[y][x]; + + file.close(); + return true; +} + +bool Region::load() { + char path[25]; + sprintf(path, "region/%d_%d.dat", m_pos.x(), m_pos.y()); + ifstream file; + file.open(path, ios::in | ios::binary); + + if(!file.good()) return false; + + file.read(reinterpret_cast(&m_pos), sizeof(m_pos)); + + for(int y = 0; y < REGION_SIZE; y++) + for(int x = 0; x < REGION_SIZE; x++) { + // Load node data + file >> m_nodes[y][x]; + + // Set node position + m_nodes[y][x].set_pos(m_pos * REGION_SIZE + Vector2(x, y)); + } + + file.close(); + return true; +} + diff --git a/src/map/region.h b/src/map/region.h new file mode 100644 index 0000000..aa272cc --- /dev/null +++ b/src/map/region.h @@ -0,0 +1,24 @@ +#pragma once + +#include "map/node.h" + +#define REGION_SIZE 16 + +class Region { +public: + Region() : Region({0, 0}) {}; + Region(Vector2 pos); + + Vector2 pos() { return m_pos; }; + + Color m_color = Color::from_hsv(rand() % 254, 255, 255); + Node &at(Vector2 pos); + + bool save(); + bool load(); + +private: + Vector2 m_pos; + + Node m_nodes[REGION_SIZE][REGION_SIZE]; +}; diff --git a/src/olcPixelGameEngine.h b/src/olcPixelGameEngine.h new file mode 100644 index 0000000..0b1afd8 --- /dev/null +++ b/src/olcPixelGameEngine.h @@ -0,0 +1,5105 @@ +/* + olcPixelGameEngine.h + + +-------------------------------------------------------------+ + | OneLoneCoder Pixel Game Engine v2.14 | + | "What do you need? Pixels... Lots of Pixels..." - javidx9 | + +-------------------------------------------------------------+ + + What is this? + ~~~~~~~~~~~~~ + olc::PixelGameEngine is a single file, cross platform graphics and userinput + framework used for games, visualisations, algorithm exploration and learning. + It was developed by YouTuber "javidx9" as an assistive tool for many of his + videos. The goal of this project is to provide high speed graphics with + minimal project setup complexity, to encourage new programmers, younger people, + and anyone else that wants to make fun things. + + However, olc::PixelGameEngine is not a toy! It is a powerful and fast utility + capable of delivering high resolution, high speed, high quality applications + which behave the same way regardless of the operating system or platform. + + This file provides the core utility set of the olc::PixelGameEngine, including + window creation, keyboard/mouse input, main game thread, timing, pixel drawing + routines, image/sprite loading and drawing routines, and a bunch of utility + types to make rapid development of games/visualisations possible. + + + License (OLC-3) + ~~~~~~~~~~~~~~~ + + Copyright 2018 - 2021 OneLoneCoder.com + + Redistribution and use in source and binary forms, with or without modification, + are permitted provided that the following conditions are met: + + 1. Redistributions or derivations of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + 2. Redistributions or derivative works in binary form must reproduce the above + copyright notice. This list of conditions and the following disclaimer must be + reproduced in the documentation and/or other materials provided with the distribution. + + 3. Neither the name of the copyright holder nor the names of its contributors may + be used to endorse or promote products derived from this software without specific + prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY + EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT + SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + SUCH DAMAGE. + + Links + ~~~~~ + YouTube: https://www.youtube.com/javidx9 + https://www.youtube.com/javidx9extra + Discord: https://discord.gg/WhwHUMV + Twitter: https://www.twitter.com/javidx9 + Twitch: https://www.twitch.tv/javidx9 + GitHub: https://www.github.com/onelonecoder + Homepage: https://www.onelonecoder.com + Patreon: https://www.patreon.com/javidx9 + Community: https://community.onelonecoder.com + + Compiling in Linux + ~~~~~~~~~~~~~~~~~~ + You will need a modern C++ compiler, so update yours! + To compile use the command: + + g++ -o YourProgName YourSource.cpp -lX11 -lGL -lpthread -lpng -lstdc++fs -std=c++17 + + On some Linux configurations, the frame rate is locked to the refresh + rate of the monitor. This engine tries to unlock it but may not be + able to, in which case try launching your program like this: + + vblank_mode=0 ./YourProgName + + + Compiling in Code::Blocks on Windows + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + Well I wont judge you, but make sure your Code::Blocks installation + is really up to date - you may even consider updating your C++ toolchain + to use MinGW32-W64. + + Guide for installing recent GCC for Windows: + https://www.msys2.org/ + Guide for configuring code::blocks: + https://solarianprogrammer.com/2019/11/05/install-gcc-windows/ + https://solarianprogrammer.com/2019/11/16/install-codeblocks-gcc-windows-build-c-cpp-fortran-programs/ + + Add these libraries to "Linker Options": + user32 gdi32 opengl32 gdiplus Shlwapi dwmapi stdc++fs + + Set these compiler options: -std=c++17 + + Compiling on Mac - EXPERIMENTAL! PROBABLY HAS BUGS + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + Yes yes, people use Macs for C++ programming! Who knew? Anyway, enough + arguing, thanks to Mumflr the PGE is now supported on Mac. Now I know nothing + about Mac, so if you need support, I suggest checking out the instructions + here: https://github.com/MumflrFumperdink/olcPGEMac + + clang++ -arch x86_64 -std=c++17 -mmacosx-version-min=10.15 -Wall -framework OpenGL -framework GLUT -lpng YourSource.cpp -o YourProgName + + Using stb_image.h + ~~~~~~~~~~~~~~~~~ + The PGE will load png images by default (with help from libpng on non-windows systems). + However, the excellent "stb_image.h" can be used instead, supporting a variety of + image formats, and has no library dependence - something we like at OLC studios ;) + To use stb_image.h, make sure it's in your code base, and simply: + + #define OLC_IMAGE_STB + + Before including the olcPixelGameEngine.h header file. stb_image.h works on many systems + and can be downloaded here: https://github.com/nothings/stb/blob/master/stb_image.h + + Ports + ~~~~~ + olc::PixelGameEngine has been ported and tested with varying degrees of + success to: WinXP, Win7, Win8, Win10, Various Linux, Raspberry Pi, + Chromebook, Playstation Portable (PSP) and Nintendo Switch. If you are + interested in the details of these ports, come and visit the Discord! + + Thanks + ~~~~~~ + I'd like to extend thanks to Bispoo, Eremiell, slavka, gurkanctn, Phantim, IProgramInCPP + JackOJC, KrossX, Huhlig, Dragoneye, Appa, JustinRichardsMusic, SliceNDice, dandistine + Ralakus, Gorbit99, raoul, joshinils, benedani, Moros1138, Alexio, SaladinAkara & MagetzUb + for advice, ideas and testing, and I'd like to extend my appreciation to the + 210K YouTube followers, 80+ Patreons and 10K Discord server members who give me + the motivation to keep going with all this :D + + Significant Contributors: @Moros1138, @SaladinAkara, @MaGetzUb, @slavka, + @Dragoneye, @Gorbit99 & @Mumflr + + Special thanks to those who bring gifts! + GnarGnarHead.......Domina + Gorbit99...........Bastion, Ori & The Blind Forest, Terraria, Spelunky 2 + Marti Morta........Gris + Danicron...........Terraria + SaladinAkara.......Aseprite, Inside + AlterEgo...........Final Fantasy XII - The Zodiac Age + SlicEnDicE.........Noita, Inside + + Special thanks to my Patreons too - I wont name you on here, but I've + certainly enjoyed my tea and flapjacks :D + + Author + ~~~~~~ + David Barr, aka javidx9, ŠOneLoneCoder 2018, 2019, 2020, 2021 + + 2.01: Made renderer and platform static for multifile projects + 2.02: Added Decal destructor, optimised Pixel constructor + 2.03: Added FreeBSD flags, Added DrawStringDecal() + 2.04: Windows Full-Screen bug fixed + 2.05: +DrawPartialWarpedDecal() - draws a warped decal from a subset image + +DrawPartialRotatedDecal() - draws a rotated decal from a subset image + 2.06: +GetTextSize() - returns area occupied by multiline string + +GetWindowSize() - returns actual window size + +GetElapsedTime() - returns last calculated fElapsedTime + +GetWindowMouse() - returns actual mouse location in window + +DrawExplicitDecal() - bow-chikka-bow-bow + +DrawPartialDecal(pos, size) - draws a partial decal to specified area + +FillRectDecal() - draws a flat shaded rectangle as a decal + +GradientFillRectDecal() - draws a rectangle, with unique colour corners + +Modified DrawCircle() & FillCircle() - Thanks IanM-Matrix1 (#PR121) + +Gone someway to appeasing pedants + 2.07: +GetPixelSize() - returns user specified pixel size + +GetScreenPixelSize() - returns actual size in monitor pixels + +Pixel Cohesion Mode (flag in Construct()) - disallows arbitrary window scaling + +Working VSYNC in Windows windowed application - now much smoother + +Added string conversion for olc::vectors + +Added comparator operators for olc::vectors + +Added DestroyWindow() on windows platforms for serial PGE launches + +Added GetMousePos() to stop TarriestPython whinging + 2.08: Fix SetScreenSize() aspect ratio pre-calculation + Fix DrawExplicitDecal() - stupid oversight with multiple decals + Disabled olc::Sprite copy constructor + +olc::Sprite Duplicate() - produces a new clone of the sprite + +olc::Sprite Duplicate(pos, size) - produces a new sprite from the region defined + +Unary operators for vectors + +More pedant mollification - Thanks TheLandfill + +ImageLoader modules - user selectable image handling core, gdi+, libpng, stb_image + +Mac Support via GLUT - thanks Mumflr! + 2.09: Fix olc::Renderable Image load error - Thanks MaGetzUb & Zij-IT for finding and moaning about it + Fix file rejection in image loaders when using resource packs + Tidied Compiler defines per platform - Thanks slavka + +Pedant fixes, const correctness in parts + +DecalModes - Normal, Additive, Multiplicative blend modes + +Pixel Operators & Lerping + +Filtered Decals - If you hate pixels, then erase this file + +DrawStringProp(), GetTextSizeProp(), DrawStringPropDecal() - Draws non-monospaced font + 2.10: Fix PixelLerp() - oops my bad, lerped the wrong way :P + Fix "Shader" support for strings - thanks Megarev for crying about it + Fix GetTextSizeProp() - Height was just plain wrong... + +vec2d operator overloads (element wise *=, /=) + +vec2d comparison operators... :| yup... hmmmm... + +vec2d ceil(), floor(), min(), max() functions - surprising how often I do it manually + +DrawExplicitDecal(... uint32_t elements) - complete control over convex polygons and lines + +DrawPolygonDecal() - to keep Bispoo happy, required significant rewrite of EVERYTHING, but hey ho + +Complete rewrite of decal renderer + +OpenGL 3.3 Renderer (also supports Raspberry Pi) + +PGEX Break-In Hooks - with a push from Dandistine + +Wireframe Decal Mode - For debug overlays + 2.11: Made PGEX hooks optional - (provide true to super constructor) + 2.12: Fix for MinGW compiler non-compliance :( - why is its sdk structure different?? why??? + 2.13: +GetFontSprite() - allows access to font data + 2.14: Fix WIN32 Definition reshuffle + Fix DrawPartialDecal() - messed up dimension during renderer experiment, didnt remove junk code, thanks Alexio + Fix? Strange error regarding GDI+ Image Loader not knowing about COM, SDK change? + + !! Apple Platforms will not see these updates immediately - Sorry, I dont have a mac to test... !! + !! Volunteers willing to help appreciated, though PRs are manually integrated with credit !! +*/ + +////////////////////////////////////////////////////////////////////////////////////////// + + +// O------------------------------------------------------------------------------O +// | Example "Hello World" Program (main.cpp) | +// O------------------------------------------------------------------------------O +/* + +#define OLC_PGE_APPLICATION +#include "olcPixelGameEngine.h" + +// Override base class with your custom functionality +class Example : public olc::PixelGameEngine +{ +public: + Example() + { + // Name your application + sAppName = "Example"; + } + +public: + bool OnUserCreate() override + { + // Called once at the start, so create things here + return true; + } + + bool OnUserUpdate(float fElapsedTime) override + { + // Called once per frame, draws random coloured pixels + for (int x = 0; x < ScreenWidth(); x++) + for (int y = 0; y < ScreenHeight(); y++) + Draw(x, y, olc::Pixel(rand() % 256, rand() % 256, rand() % 256)); + return true; + } +}; + +int main() +{ + Example demo; + if (demo.Construct(256, 240, 4, 4)) + demo.Start(); + return 0; +} + +*/ + +#ifndef OLC_PGE_DEF +#define OLC_PGE_DEF + +// O------------------------------------------------------------------------------O +// | STANDARD INCLUDES | +// O------------------------------------------------------------------------------O +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define PGE_VER 214 + +// O------------------------------------------------------------------------------O +// | COMPILER CONFIGURATION ODDITIES | +// O------------------------------------------------------------------------------O +#define USE_EXPERIMENTAL_FS + +#if defined(_WIN32) +#if _MSC_VER >= 1920 && _MSVC_LANG >= 201703L +#undef USE_EXPERIMENTAL_FS +#endif +#endif + +#if defined(__linux__) || defined(__MINGW32__) || defined(__EMSCRIPTEN__) || defined(__FreeBSD__) || defined(__APPLE__) +#if __cplusplus >= 201703L +#undef USE_EXPERIMENTAL_FS +#endif +#endif + +#if defined(__APPLE__) +#define PGE_USE_CUSTOM_START +#endif + +#if defined(USE_EXPERIMENTAL_FS) || defined(FORCE_EXPERIMENTAL_FS) + // C++14 +#define _SILENCE_EXPERIMENTAL_FILESYSTEM_DEPRECATION_WARNING +#include +namespace _gfs = std::experimental::filesystem::v1; +#else + // C++17 +#include +namespace _gfs = std::filesystem; +#endif + +#if defined(UNICODE) || defined(_UNICODE) +#define olcT(s) L##s +#else +#define olcT(s) s +#endif + +#define UNUSED(x) (void)(x) + +// O------------------------------------------------------------------------------O +// | PLATFORM SELECTION CODE, Thanks slavka! | +// O------------------------------------------------------------------------------O + +// Platform +#if !defined(OLC_PLATFORM_WINAPI) && !defined(OLC_PLATFORM_X11) && !defined(OLC_PLATFORM_GLUT) +#if defined(_WIN32) +#define OLC_PLATFORM_WINAPI +#endif +#if defined(__linux__) || defined(__FreeBSD__) +#define OLC_PLATFORM_X11 +#endif +#if defined(__APPLE__) +#define OLC_PLATFORM_GLUT +#endif +#endif + +// Renderer +#if !defined(OLC_GFX_OPENGL10) && !defined(OLC_GFX_OPENGL33) && !defined(OLC_GFX_DIRECTX10) +#define OLC_GFX_OPENGL10 +#endif + +// Image loader +#if !defined(OLC_IMAGE_STB) && !defined(OLC_IMAGE_GDI) && !defined(OLC_IMAGE_LIBPNG) +#if defined(_WIN32) +#define OLC_IMAGE_GDI +#endif +#if defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) +#define OLC_IMAGE_LIBPNG +#endif +#endif + + +// O------------------------------------------------------------------------------O +// | PLATFORM-SPECIFIC DEPENDENCIES | +// O------------------------------------------------------------------------------O +#if defined(OLC_PLATFORM_WINAPI) +#define _WINSOCKAPI_ // Thanks Cornchipss + +//#if !defined(WIN32_LEAN_AND_MEAN) // Removes something GDI requires +// #define WIN32_LEAN_AND_MEAN +//#endif +#if !defined(VC_EXTRALEAN) +#define VC_EXTRALEAN +#endif +#if !defined(NOMINMAX) +#define NOMINMAX +#endif + +// In Code::Blocks +#if !defined(_WIN32_WINNT) +#ifdef HAVE_MSMF +#define _WIN32_WINNT 0x0600 // Windows Vista +#else +#define _WIN32_WINNT 0x0500 // Windows 2000 +#endif +#endif + +#include + +#undef _WINSOCKAPI_ +#endif + +#if defined(OLC_PLATFORM_X11) +namespace X11 +{ +#include +#include +} +#endif + +#if defined(OLC_PLATFORM_GLUT) +#define PGE_USE_CUSTOM_START +#if defined(__linux__) +#include +#include +#endif +#if defined(__APPLE__) +#include +#endif +#endif + + +// O------------------------------------------------------------------------------O +// | olcPixelGameEngine INTERFACE DECLARATION | +// O------------------------------------------------------------------------------O +namespace olc +{ + class PixelGameEngine; + class Sprite; + + // Pixel Game Engine Advanced Configuration + constexpr uint8_t nMouseButtons = 5; + constexpr uint8_t nDefaultAlpha = 0xFF; + constexpr uint32_t nDefaultPixel = (nDefaultAlpha << 24); + enum rcode { FAIL = 0, OK = 1, NO_FILE = -1 }; + + // O------------------------------------------------------------------------------O + // | olc::Pixel - Represents a 32-Bit RGBA colour | + // O------------------------------------------------------------------------------O + struct Pixel + { + union + { + uint32_t n = nDefaultPixel; + struct { uint8_t r; uint8_t g; uint8_t b; uint8_t a; }; + }; + + enum Mode { NORMAL, MASK, ALPHA, CUSTOM }; + + Pixel(); + Pixel(uint8_t red, uint8_t green, uint8_t blue, uint8_t alpha = nDefaultAlpha); + Pixel(uint32_t p); + Pixel& operator = (const Pixel& v) = default; + bool operator ==(const Pixel& p) const; + bool operator !=(const Pixel& p) const; + Pixel operator * (const float i) const; + Pixel operator / (const float i) const; + Pixel& operator *=(const float i); + Pixel& operator /=(const float i); + Pixel operator + (const Pixel& p) const; + Pixel operator - (const Pixel& p) const; + Pixel& operator +=(const Pixel& p); + Pixel& operator -=(const Pixel& p); + Pixel inv() const; + }; + + Pixel PixelF(float red, float green, float blue, float alpha = 1.0f); + Pixel PixelLerp(const olc::Pixel& p1, const olc::Pixel& p2, float t); + + + // O------------------------------------------------------------------------------O + // | USEFUL CONSTANTS | + // O------------------------------------------------------------------------------O + static const Pixel + GREY(192, 192, 192), DARK_GREY(128, 128, 128), VERY_DARK_GREY(64, 64, 64), + RED(255, 0, 0), DARK_RED(128, 0, 0), VERY_DARK_RED(64, 0, 0), + YELLOW(255, 255, 0), DARK_YELLOW(128, 128, 0), VERY_DARK_YELLOW(64, 64, 0), + GREEN(0, 255, 0), DARK_GREEN(0, 128, 0), VERY_DARK_GREEN(0, 64, 0), + CYAN(0, 255, 255), DARK_CYAN(0, 128, 128), VERY_DARK_CYAN(0, 64, 64), + BLUE(0, 0, 255), DARK_BLUE(0, 0, 128), VERY_DARK_BLUE(0, 0, 64), + MAGENTA(255, 0, 255), DARK_MAGENTA(128, 0, 128), VERY_DARK_MAGENTA(64, 0, 64), + WHITE(255, 255, 255), BLACK(0, 0, 0), BLANK(0, 0, 0, 0); + + // Thanks to scripticuk and others for updating the key maps + // NOTE: The GLUT platform will need updating, open to contributions ;) + enum Key + { + NONE, + A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, + K0, K1, K2, K3, K4, K5, K6, K7, K8, K9, + F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, + UP, DOWN, LEFT, RIGHT, + SPACE, TAB, SHIFT, CTRL, INS, DEL, HOME, END, PGUP, PGDN, + BACK, ESCAPE, RETURN, ENTER, PAUSE, SCROLL, + NP0, NP1, NP2, NP3, NP4, NP5, NP6, NP7, NP8, NP9, + NP_MUL, NP_DIV, NP_ADD, NP_SUB, NP_DECIMAL, PERIOD, + EQUALS, COMMA, MINUS, + OEM_1, OEM_2, OEM_3, OEM_4, OEM_5, OEM_6, OEM_7, OEM_8, + CAPS_LOCK, ENUM_END + }; + + + + // O------------------------------------------------------------------------------O + // | olc::vX2d - A generic 2D vector type | + // O------------------------------------------------------------------------------O +#if !defined(OLC_IGNORE_VEC2D) + template + struct v2d_generic + { + T x = 0; + T y = 0; + v2d_generic() : x(0), y(0) {} + v2d_generic(T _x, T _y) : x(_x), y(_y) {} + v2d_generic(const v2d_generic& v) : x(v.x), y(v.y) {} + v2d_generic& operator=(const v2d_generic& v) = default; + T mag() const { return T(std::sqrt(x * x + y * y)); } + T mag2() const { return x * x + y * y; } + v2d_generic norm() const { T r = 1 / mag(); return v2d_generic(x * r, y * r); } + v2d_generic perp() const { return v2d_generic(-y, x); } + v2d_generic floor() const { return v2d_generic(std::floor(x), std::floor(y)); } + v2d_generic ceil() const { return v2d_generic(std::ceil(x), std::ceil(y)); } + v2d_generic max(const v2d_generic& v) const { return v2d_generic(std::max(x, v.x), std::max(y, v.y)); } + v2d_generic min(const v2d_generic& v) const { return v2d_generic(std::min(x, v.x), std::min(y, v.y)); } + T dot(const v2d_generic& rhs) const { return this->x * rhs.x + this->y * rhs.y; } + T cross(const v2d_generic& rhs) const { return this->x * rhs.y - this->y * rhs.x; } + v2d_generic operator + (const v2d_generic& rhs) const { return v2d_generic(this->x + rhs.x, this->y + rhs.y); } + v2d_generic operator - (const v2d_generic& rhs) const { return v2d_generic(this->x - rhs.x, this->y - rhs.y); } + v2d_generic operator * (const T& rhs) const { return v2d_generic(this->x * rhs, this->y * rhs); } + v2d_generic operator * (const v2d_generic& rhs) const { return v2d_generic(this->x * rhs.x, this->y * rhs.y); } + v2d_generic operator / (const T& rhs) const { return v2d_generic(this->x / rhs, this->y / rhs); } + v2d_generic operator / (const v2d_generic& rhs) const { return v2d_generic(this->x / rhs.x, this->y / rhs.y); } + v2d_generic& operator += (const v2d_generic& rhs) { this->x += rhs.x; this->y += rhs.y; return *this; } + v2d_generic& operator -= (const v2d_generic& rhs) { this->x -= rhs.x; this->y -= rhs.y; return *this; } + v2d_generic& operator *= (const T& rhs) { this->x *= rhs; this->y *= rhs; return *this; } + v2d_generic& operator /= (const T& rhs) { this->x /= rhs; this->y /= rhs; return *this; } + v2d_generic& operator *= (const v2d_generic& rhs) { this->x *= rhs.x; this->y *= rhs.y; return *this; } + v2d_generic& operator /= (const v2d_generic& rhs) { this->x /= rhs.x; this->y /= rhs.y; return *this; } + v2d_generic operator + () const { return { +x, +y }; } + v2d_generic operator - () const { return { -x, -y }; } + bool operator == (const v2d_generic& rhs) const { return (this->x == rhs.x && this->y == rhs.y); } + bool operator != (const v2d_generic& rhs) const { return (this->x != rhs.x || this->y != rhs.y); } + const std::string str() const { return std::string("(") + std::to_string(this->x) + "," + std::to_string(this->y) + ")"; } + friend std::ostream& operator << (std::ostream& os, const v2d_generic& rhs) { os << rhs.str(); return os; } + operator v2d_generic() const { return { static_cast(this->x), static_cast(this->y) }; } + operator v2d_generic() const { return { static_cast(this->x), static_cast(this->y) }; } + operator v2d_generic() const { return { static_cast(this->x), static_cast(this->y) }; } + }; + + // Note: joshinils has some good suggestions here, but they are complicated to implement at this moment, + // however they will appear in a future version of PGE + template inline v2d_generic operator * (const float& lhs, const v2d_generic& rhs) + { + return v2d_generic((T)(lhs * (float)rhs.x), (T)(lhs * (float)rhs.y)); + } + template inline v2d_generic operator * (const double& lhs, const v2d_generic& rhs) + { + return v2d_generic((T)(lhs * (double)rhs.x), (T)(lhs * (double)rhs.y)); + } + template inline v2d_generic operator * (const int& lhs, const v2d_generic& rhs) + { + return v2d_generic((T)(lhs * (int)rhs.x), (T)(lhs * (int)rhs.y)); + } + template inline v2d_generic operator / (const float& lhs, const v2d_generic& rhs) + { + return v2d_generic((T)(lhs / (float)rhs.x), (T)(lhs / (float)rhs.y)); + } + template inline v2d_generic operator / (const double& lhs, const v2d_generic& rhs) + { + return v2d_generic((T)(lhs / (double)rhs.x), (T)(lhs / (double)rhs.y)); + } + template inline v2d_generic operator / (const int& lhs, const v2d_generic& rhs) + { + return v2d_generic((T)(lhs / (int)rhs.x), (T)(lhs / (int)rhs.y)); + } + + // To stop dandistine crying... + template inline bool operator < (const v2d_generic& lhs, const v2d_generic& rhs) + { + return lhs.y < rhs.y || (lhs.y == rhs.y && lhs.x < rhs.x); + } + template inline bool operator > (const v2d_generic& lhs, const v2d_generic& rhs) + { + return lhs.y > rhs.y || (lhs.y == rhs.y && lhs.x > rhs.x); + } + + typedef v2d_generic vi2d; + typedef v2d_generic vu2d; + typedef v2d_generic vf2d; + typedef v2d_generic vd2d; +#endif + + + + // O------------------------------------------------------------------------------O + // | olc::HWButton - Represents the state of a hardware button (mouse/key/joy) | + // O------------------------------------------------------------------------------O + struct HWButton + { + bool bPressed = false; // Set once during the frame the event occurs + bool bReleased = false; // Set once during the frame the event occurs + bool bHeld = false; // Set true for all frames between pressed and released events + }; + + + + // O------------------------------------------------------------------------------O + // | olc::ResourcePack - A virtual scrambled filesystem to pack your assets into | + // O------------------------------------------------------------------------------O + struct ResourceBuffer : public std::streambuf + { + ResourceBuffer(std::ifstream& ifs, uint32_t offset, uint32_t size); + std::vector vMemory; + }; + + class ResourcePack : public std::streambuf + { + public: + ResourcePack(); + ~ResourcePack(); + bool AddFile(const std::string& sFile); + bool LoadPack(const std::string& sFile, const std::string& sKey); + bool SavePack(const std::string& sFile, const std::string& sKey); + ResourceBuffer GetFileBuffer(const std::string& sFile); + bool Loaded(); + private: + struct sResourceFile { uint32_t nSize; uint32_t nOffset; }; + std::map mapFiles; + std::ifstream baseFile; + std::vector scramble(const std::vector& data, const std::string& key); + std::string makeposix(const std::string& path); + }; + + + class ImageLoader + { + public: + ImageLoader() = default; + virtual ~ImageLoader() = default; + virtual olc::rcode LoadImageResource(olc::Sprite* spr, const std::string& sImageFile, olc::ResourcePack* pack) = 0; + virtual olc::rcode SaveImageResource(olc::Sprite* spr, const std::string& sImageFile) = 0; + }; + + + // O------------------------------------------------------------------------------O + // | olc::Sprite - An image represented by a 2D array of olc::Pixel | + // O------------------------------------------------------------------------------O + class Sprite + { + public: + Sprite(); + Sprite(const std::string& sImageFile, olc::ResourcePack* pack = nullptr); + Sprite(int32_t w, int32_t h); + Sprite(const olc::Sprite&) = delete; + ~Sprite(); + + public: + olc::rcode LoadFromFile(const std::string& sImageFile, olc::ResourcePack* pack = nullptr); + olc::rcode LoadFromPGESprFile(const std::string& sImageFile, olc::ResourcePack* pack = nullptr); + olc::rcode SaveToPGESprFile(const std::string& sImageFile); + + public: + int32_t width = 0; + int32_t height = 0; + enum Mode { NORMAL, PERIODIC }; + enum Flip { NONE = 0, HORIZ = 1, VERT = 2 }; + + public: + void SetSampleMode(olc::Sprite::Mode mode = olc::Sprite::Mode::NORMAL); + Pixel GetPixel(int32_t x, int32_t y) const; + bool SetPixel(int32_t x, int32_t y, Pixel p); + Pixel GetPixel(const olc::vi2d& a) const; + bool SetPixel(const olc::vi2d& a, Pixel p); + Pixel Sample(float x, float y) const; + Pixel SampleBL(float u, float v) const; + Pixel* GetData(); + olc::Sprite* Duplicate(); + olc::Sprite* Duplicate(const olc::vi2d& vPos, const olc::vi2d& vSize); + Pixel* pColData = nullptr; + Mode modeSample = Mode::NORMAL; + + static std::unique_ptr loader; + }; + + // O------------------------------------------------------------------------------O + // | olc::Decal - A GPU resident storage of an olc::Sprite | + // O------------------------------------------------------------------------------O + class Decal + { + public: + Decal(olc::Sprite* spr, bool filter = false); + Decal(const uint32_t nExistingTextureResource, olc::Sprite* spr); + virtual ~Decal(); + void Update(); + void UpdateSprite(); + + public: // But dont touch + int32_t id = -1; + olc::Sprite* sprite = nullptr; + olc::vf2d vUVScale = { 1.0f, 1.0f }; + }; + + enum class DecalMode + { + NORMAL, + ADDITIVE, + MULTIPLICATIVE, + STENCIL, + ILLUMINATE, + WIREFRAME, + }; + + // O------------------------------------------------------------------------------O + // | olc::Renderable - Convenience class to keep a sprite and decal together | + // O------------------------------------------------------------------------------O + class Renderable + { + public: + Renderable() = default; + olc::rcode Load(const std::string& sFile, ResourcePack* pack = nullptr, bool filter = false); + void Create(uint32_t width, uint32_t height, bool filter = false); + olc::Decal* Decal() const; + olc::Sprite* Sprite() const; + + private: + std::unique_ptr pSprite = nullptr; + std::unique_ptr pDecal = nullptr; + }; + + + // O------------------------------------------------------------------------------O + // | Auxilliary components internal to engine | + // O------------------------------------------------------------------------------O + + struct DecalInstance + { + olc::Decal* decal = nullptr; + std::vector pos; + std::vector uv; + std::vector w; + std::vector tint; + olc::DecalMode mode = olc::DecalMode::NORMAL; + uint32_t points = 0; + }; + + struct LayerDesc + { + olc::vf2d vOffset = { 0, 0 }; + olc::vf2d vScale = { 1, 1 }; + bool bShow = false; + bool bUpdate = false; + olc::Sprite* pDrawTarget = nullptr; + uint32_t nResID = 0; + std::vector vecDecalInstance; + olc::Pixel tint = olc::WHITE; + std::function funcHook = nullptr; + }; + + class Renderer + { + public: + virtual ~Renderer() = default; + virtual void PrepareDevice() = 0; + virtual olc::rcode CreateDevice(std::vector params, bool bFullScreen, bool bVSYNC) = 0; + virtual olc::rcode DestroyDevice() = 0; + virtual void DisplayFrame() = 0; + virtual void PrepareDrawing() = 0; + virtual void SetDecalMode(const olc::DecalMode& mode) = 0; + virtual void DrawLayerQuad(const olc::vf2d& offset, const olc::vf2d& scale, const olc::Pixel tint) = 0; + virtual void DrawDecal(const olc::DecalInstance& decal) = 0; + virtual uint32_t CreateTexture(const uint32_t width, const uint32_t height, const bool filtered = false) = 0; + virtual void UpdateTexture(uint32_t id, olc::Sprite* spr) = 0; + virtual void ReadTexture(uint32_t id, olc::Sprite* spr) = 0; + virtual uint32_t DeleteTexture(const uint32_t id) = 0; + virtual void ApplyTexture(uint32_t id) = 0; + virtual void UpdateViewport(const olc::vi2d& pos, const olc::vi2d& size) = 0; + virtual void ClearBuffer(olc::Pixel p, bool bDepth) = 0; + static olc::PixelGameEngine* ptrPGE; + }; + + class Platform + { + public: + virtual ~Platform() = default; + virtual olc::rcode ApplicationStartUp() = 0; + virtual olc::rcode ApplicationCleanUp() = 0; + virtual olc::rcode ThreadStartUp() = 0; + virtual olc::rcode ThreadCleanUp() = 0; + virtual olc::rcode CreateGraphics(bool bFullScreen, bool bEnableVSYNC, const olc::vi2d& vViewPos, const olc::vi2d& vViewSize) = 0; + virtual olc::rcode CreateWindowPane(const olc::vi2d& vWindowPos, olc::vi2d& vWindowSize, bool bFullScreen) = 0; + virtual olc::rcode SetWindowTitle(const std::string& s) = 0; + virtual olc::rcode StartSystemEventLoop() = 0; + virtual olc::rcode HandleSystemEvent() = 0; + static olc::PixelGameEngine* ptrPGE; + }; + + class PGEX; + + + + static std::unique_ptr renderer; + static std::unique_ptr platform; + static std::map mapKeys; + + // O------------------------------------------------------------------------------O + // | olc::PixelGameEngine - The main BASE class for your application | + // O------------------------------------------------------------------------------O + class PixelGameEngine + { + public: + PixelGameEngine(); + virtual ~PixelGameEngine(); + public: + olc::rcode Construct(int32_t screen_w, int32_t screen_h, int32_t pixel_w, int32_t pixel_h, + bool full_screen = false, bool vsync = false, bool cohesion = false); + olc::rcode Start(); + + public: // User Override Interfaces + // Called once on application startup, use to load your resources + virtual bool OnUserCreate(); + // Called every frame, and provides you with a time per frame value + virtual bool OnUserUpdate(float fElapsedTime); + // Called once on application termination, so you can be one clean coder + virtual bool OnUserDestroy(); + + public: // Hardware Interfaces + // Returns true if window is currently in focus + bool IsFocused() const; + // Get the state of a specific keyboard button + HWButton GetKey(Key k) const; + // Get the state of a specific mouse button + HWButton GetMouse(uint32_t b) const; + // Get Mouse X coordinate in "pixel" space + int32_t GetMouseX() const; + // Get Mouse Y coordinate in "pixel" space + int32_t GetMouseY() const; + // Get Mouse Wheel Delta + int32_t GetMouseWheel() const; + // Get the mouse in window space + const olc::vi2d& GetWindowMouse() const; + // Gets the mouse as a vector to keep Tarriest happy + const olc::vi2d& GetMousePos() const; + + public: // Utility + // Returns the width of the screen in "pixels" + int32_t ScreenWidth() const; + // Returns the height of the screen in "pixels" + int32_t ScreenHeight() const; + // Returns the width of the currently selected drawing target in "pixels" + int32_t GetDrawTargetWidth() const; + // Returns the height of the currently selected drawing target in "pixels" + int32_t GetDrawTargetHeight() const; + // Returns the currently active draw target + olc::Sprite* GetDrawTarget() const; + // Resize the primary screen sprite + void SetScreenSize(int w, int h); + // Specify which Sprite should be the target of drawing functions, use nullptr + // to specify the primary screen + void SetDrawTarget(Sprite* target); + // Gets the current Frames Per Second + uint32_t GetFPS() const; + // Gets last update of elapsed time + float GetElapsedTime() const; + // Gets Actual Window size + const olc::vi2d& GetWindowSize() const; + // Gets pixel scale + const olc::vi2d& GetPixelSize() const; + // Gets actual pixel scale + const olc::vi2d& GetScreenPixelSize() const; + + public: // CONFIGURATION ROUTINES + // Layer targeting functions + void SetDrawTarget(uint8_t layer); + void EnableLayer(uint8_t layer, bool b); + void SetLayerOffset(uint8_t layer, const olc::vf2d& offset); + void SetLayerOffset(uint8_t layer, float x, float y); + void SetLayerScale(uint8_t layer, const olc::vf2d& scale); + void SetLayerScale(uint8_t layer, float x, float y); + void SetLayerTint(uint8_t layer, const olc::Pixel& tint); + void SetLayerCustomRenderFunction(uint8_t layer, std::function f); + + std::vector& GetLayers(); + uint32_t CreateLayer(); + + // Change the pixel mode for different optimisations + // olc::Pixel::NORMAL = No transparency + // olc::Pixel::MASK = Transparent if alpha is < 255 + // olc::Pixel::ALPHA = Full transparency + void SetPixelMode(Pixel::Mode m); + Pixel::Mode GetPixelMode(); + // Use a custom blend function + void SetPixelMode(std::function pixelMode); + // Change the blend factor from between 0.0f to 1.0f; + void SetPixelBlend(float fBlend); + + + + public: // DRAWING ROUTINES + // Draws a single Pixel + virtual bool Draw(int32_t x, int32_t y, Pixel p = olc::WHITE); + bool Draw(const olc::vi2d& pos, Pixel p = olc::WHITE); + // Draws a line from (x1,y1) to (x2,y2) + void DrawLine(int32_t x1, int32_t y1, int32_t x2, int32_t y2, Pixel p = olc::WHITE, uint32_t pattern = 0xFFFFFFFF); + void DrawLine(const olc::vi2d& pos1, const olc::vi2d& pos2, Pixel p = olc::WHITE, uint32_t pattern = 0xFFFFFFFF); + // Draws a circle located at (x,y) with radius + void DrawCircle(int32_t x, int32_t y, int32_t radius, Pixel p = olc::WHITE, uint8_t mask = 0xFF); + void DrawCircle(const olc::vi2d& pos, int32_t radius, Pixel p = olc::WHITE, uint8_t mask = 0xFF); + // Fills a circle located at (x,y) with radius + void FillCircle(int32_t x, int32_t y, int32_t radius, Pixel p = olc::WHITE); + void FillCircle(const olc::vi2d& pos, int32_t radius, Pixel p = olc::WHITE); + // Draws a rectangle at (x,y) to (x+w,y+h) + void DrawRect(int32_t x, int32_t y, int32_t w, int32_t h, Pixel p = olc::WHITE); + void DrawRect(const olc::vi2d& pos, const olc::vi2d& size, Pixel p = olc::WHITE); + // Fills a rectangle at (x,y) to (x+w,y+h) + void FillRect(int32_t x, int32_t y, int32_t w, int32_t h, Pixel p = olc::WHITE); + void FillRect(const olc::vi2d& pos, const olc::vi2d& size, Pixel p = olc::WHITE); + // Draws a triangle between points (x1,y1), (x2,y2) and (x3,y3) + void DrawTriangle(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t x3, int32_t y3, Pixel p = olc::WHITE); + void DrawTriangle(const olc::vi2d& pos1, const olc::vi2d& pos2, const olc::vi2d& pos3, Pixel p = olc::WHITE); + // Flat fills a triangle between points (x1,y1), (x2,y2) and (x3,y3) + void FillTriangle(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t x3, int32_t y3, Pixel p = olc::WHITE); + void FillTriangle(const olc::vi2d& pos1, const olc::vi2d& pos2, const olc::vi2d& pos3, Pixel p = olc::WHITE); + // Draws an entire sprite at location (x,y) + void DrawSprite(int32_t x, int32_t y, Sprite* sprite, uint32_t scale = 1, uint8_t flip = olc::Sprite::NONE); + void DrawSprite(const olc::vi2d& pos, Sprite* sprite, uint32_t scale = 1, uint8_t flip = olc::Sprite::NONE); + // Draws an area of a sprite at location (x,y), where the + // selected area is (ox,oy) to (ox+w,oy+h) + void DrawPartialSprite(int32_t x, int32_t y, Sprite* sprite, int32_t ox, int32_t oy, int32_t w, int32_t h, uint32_t scale = 1, uint8_t flip = olc::Sprite::NONE); + void DrawPartialSprite(const olc::vi2d& pos, Sprite* sprite, const olc::vi2d& sourcepos, const olc::vi2d& size, uint32_t scale = 1, uint8_t flip = olc::Sprite::NONE); + + // Decal Quad functions + void SetDecalMode(const olc::DecalMode& mode); + // Draws a whole decal, with optional scale and tinting + void DrawDecal(const olc::vf2d& pos, olc::Decal* decal, const olc::vf2d& scale = { 1.0f,1.0f }, const olc::Pixel& tint = olc::WHITE); + // Draws a region of a decal, with optional scale and tinting + void DrawPartialDecal(const olc::vf2d& pos, olc::Decal* decal, const olc::vf2d& source_pos, const olc::vf2d& source_size, const olc::vf2d& scale = { 1.0f,1.0f }, const olc::Pixel& tint = olc::WHITE); + void DrawPartialDecal(const olc::vf2d& pos, const olc::vf2d& size, olc::Decal* decal, const olc::vf2d& source_pos, const olc::vf2d& source_size, const olc::Pixel& tint = olc::WHITE); + // Draws fully user controlled 4 vertices, pos(pixels), uv(pixels), colours + void DrawExplicitDecal(olc::Decal* decal, const olc::vf2d* pos, const olc::vf2d* uv, const olc::Pixel* col, uint32_t elements = 4); + // Draws a decal with 4 arbitrary points, warping the texture to look "correct" + void DrawWarpedDecal(olc::Decal* decal, const olc::vf2d(&pos)[4], const olc::Pixel& tint = olc::WHITE); + void DrawWarpedDecal(olc::Decal* decal, const olc::vf2d* pos, const olc::Pixel& tint = olc::WHITE); + void DrawWarpedDecal(olc::Decal* decal, const std::array& pos, const olc::Pixel& tint = olc::WHITE); + // As above, but you can specify a region of a decal source sprite + void DrawPartialWarpedDecal(olc::Decal* decal, const olc::vf2d(&pos)[4], const olc::vf2d& source_pos, const olc::vf2d& source_size, const olc::Pixel& tint = olc::WHITE); + void DrawPartialWarpedDecal(olc::Decal* decal, const olc::vf2d* pos, const olc::vf2d& source_pos, const olc::vf2d& source_size, const olc::Pixel& tint = olc::WHITE); + void DrawPartialWarpedDecal(olc::Decal* decal, const std::array& pos, const olc::vf2d& source_pos, const olc::vf2d& source_size, const olc::Pixel& tint = olc::WHITE); + // Draws a decal rotated to specified angle, wit point of rotation offset + void DrawRotatedDecal(const olc::vf2d& pos, olc::Decal* decal, const float fAngle, const olc::vf2d& center = { 0.0f, 0.0f }, const olc::vf2d& scale = { 1.0f,1.0f }, const olc::Pixel& tint = olc::WHITE); + void DrawPartialRotatedDecal(const olc::vf2d& pos, olc::Decal* decal, const float fAngle, const olc::vf2d& center, const olc::vf2d& source_pos, const olc::vf2d& source_size, const olc::vf2d& scale = { 1.0f, 1.0f }, const olc::Pixel& tint = olc::WHITE); + // Draws a multiline string as a decal, with tiniting and scaling + void DrawStringDecal(const olc::vf2d& pos, const std::string& sText, const Pixel col = olc::WHITE, const olc::vf2d& scale = { 1.0f, 1.0f }); + void DrawStringPropDecal(const olc::vf2d& pos, const std::string& sText, const Pixel col = olc::WHITE, const olc::vf2d& scale = { 1.0f, 1.0f }); + // Draws a single shaded filled rectangle as a decal + void FillRectDecal(const olc::vf2d& pos, const olc::vf2d& size, const olc::Pixel col = olc::WHITE); + // Draws a corner shaded rectangle as a decal + void GradientFillRectDecal(const olc::vf2d& pos, const olc::vf2d& size, const olc::Pixel colTL, const olc::Pixel colBL, const olc::Pixel colBR, const olc::Pixel colTR); + // Draws an arbitrary convex textured polygon using GPU + void DrawPolygonDecal(olc::Decal* decal, const std::vector& pos, const std::vector& uv, const olc::Pixel tint = olc::WHITE); + // Draws a single line of text - traditional monospaced + void DrawString(int32_t x, int32_t y, const std::string& sText, Pixel col = olc::WHITE, uint32_t scale = 1); + void DrawString(const olc::vi2d& pos, const std::string& sText, Pixel col = olc::WHITE, uint32_t scale = 1); + olc::vi2d GetTextSize(const std::string& s); + + // Draws a single line of text - non-monospaced + void DrawStringProp(int32_t x, int32_t y, const std::string& sText, Pixel col = olc::WHITE, uint32_t scale = 1); + void DrawStringProp(const olc::vi2d& pos, const std::string& sText, Pixel col = olc::WHITE, uint32_t scale = 1); + olc::vi2d GetTextSizeProp(const std::string& s); + + // Clears entire draw target to Pixel + void Clear(Pixel p); + // Clears the rendering back buffer + void ClearBuffer(Pixel p, bool bDepth = true); + // Returns the font image + olc::Sprite* GetFontSprite(); + + public: // Branding + std::string sAppName; + + private: // Inner mysterious workings + Sprite* pDrawTarget = nullptr; + Pixel::Mode nPixelMode = Pixel::NORMAL; + float fBlendFactor = 1.0f; + olc::vi2d vScreenSize = { 256, 240 }; + olc::vf2d vInvScreenSize = { 1.0f / 256.0f, 1.0f / 240.0f }; + olc::vi2d vPixelSize = { 4, 4 }; + olc::vi2d vScreenPixelSize = { 4, 4 }; + olc::vi2d vMousePos = { 0, 0 }; + int32_t nMouseWheelDelta = 0; + olc::vi2d vMousePosCache = { 0, 0 }; + olc::vi2d vMouseWindowPos = { 0, 0 }; + int32_t nMouseWheelDeltaCache = 0; + olc::vi2d vWindowSize = { 0, 0 }; + olc::vi2d vViewPos = { 0, 0 }; + olc::vi2d vViewSize = { 0,0 }; + bool bFullScreen = false; + olc::vf2d vPixel = { 1.0f, 1.0f }; + bool bHasInputFocus = false; + bool bHasMouseFocus = false; + bool bEnableVSYNC = false; + float fFrameTimer = 1.0f; + float fLastElapsed = 0.0f; + int nFrameCount = 0; + Sprite* fontSprite = nullptr; + Decal* fontDecal = nullptr; + Sprite* pDefaultDrawTarget = nullptr; + std::vector vLayers; + uint8_t nTargetLayer = 0; + uint32_t nLastFPS = 0; + bool bPixelCohesion = false; + DecalMode nDecalMode = DecalMode::NORMAL; + std::function funcPixelMode; + std::chrono::time_point m_tp1, m_tp2; + std::vector vFontSpacing; + + // State of keyboard + bool pKeyNewState[256] = { 0 }; + bool pKeyOldState[256] = { 0 }; + HWButton pKeyboardState[256] = { 0 }; + + // State of mouse + bool pMouseNewState[nMouseButtons] = { 0 }; + bool pMouseOldState[nMouseButtons] = { 0 }; + HWButton pMouseState[nMouseButtons] = { 0 }; + + // The main engine thread + void EngineThread(); + + // At the very end of this file, chooses which + // components to compile + void olc_ConfigureSystem(); + + // If anything sets this flag to false, the engine + // "should" shut down gracefully + static std::atomic bAtomActive; + + public: + // "Break In" Functions + void olc_UpdateMouse(int32_t x, int32_t y); + void olc_UpdateMouseWheel(int32_t delta); + void olc_UpdateWindowSize(int32_t x, int32_t y); + void olc_UpdateViewport(); + void olc_ConstructFontSheet(); + void olc_CoreUpdate(); + void olc_PrepareEngine(); + void olc_UpdateMouseState(int32_t button, bool state); + void olc_UpdateKeyState(int32_t key, bool state); + void olc_UpdateMouseFocus(bool state); + void olc_UpdateKeyFocus(bool state); + void olc_Terminate(); + + // NOTE: Items Here are to be deprecated, I have left them in for now + // in case you are using them, but they will be removed. + // olc::vf2d vSubPixelOffset = { 0.0f, 0.0f }; + + public: // PGEX Stuff + friend class PGEX; + void pgex_Register(olc::PGEX* pgex); + + private: + std::vector vExtensions; + + + }; + + + + // O------------------------------------------------------------------------------O + // | PGE EXTENSION BASE CLASS - Permits access to PGE functions from extension | + // O------------------------------------------------------------------------------O + class PGEX + { + friend class olc::PixelGameEngine; + public: + PGEX(bool bHook = false); + + protected: + virtual void OnBeforeUserCreate(); + virtual void OnAfterUserCreate(); + virtual void OnBeforeUserUpdate(float &fElapsedTime); + virtual void OnAfterUserUpdate(float fElapsedTime); + + protected: + static PixelGameEngine* pge; + }; +} + +#endif // OLC_PGE_DEF + + + + +/* + Object Oriented Mode + ~~~~~~~~~~~~~~~~~~~~ + + If the olcPixelGameEngine.h is called from several sources it can cause + multiple definitions of objects. To prevent this, ONLY ONE of the pathways + to including this file must have OLC_PGE_APPLICATION defined before it. This prevents + the definitions being duplicated. + + If all else fails, create a file called "olcPixelGameEngine.cpp" with the following + two lines. Then you can just #include "olcPixelGameEngine.h" as normal without worrying + about defining things. Dont forget to include that cpp file as part of your build! + + #define OLC_PGE_APPLICATION + #include "olcPixelGameEngine.h" + +*/ + + +// O------------------------------------------------------------------------------O +// | START OF OLC_PGE_APPLICATION | +// O------------------------------------------------------------------------------O +#ifdef OLC_PGE_APPLICATION +#undef OLC_PGE_APPLICATION + +// O------------------------------------------------------------------------------O +// | olcPixelGameEngine INTERFACE IMPLEMENTATION (CORE) | +// | Note: The core implementation is platform independent | +// O------------------------------------------------------------------------------O +namespace olc +{ + // O------------------------------------------------------------------------------O + // | olc::Pixel IMPLEMENTATION | + // O------------------------------------------------------------------------------O + Pixel::Pixel() + { + r = 0; g = 0; b = 0; a = nDefaultAlpha; + } + + Pixel::Pixel(uint8_t red, uint8_t green, uint8_t blue, uint8_t alpha) + { + n = red | (green << 8) | (blue << 16) | (alpha << 24); + } // Thanks jarekpelczar + + + Pixel::Pixel(uint32_t p) + { + n = p; + } + + bool Pixel::operator==(const Pixel& p) const + { + return n == p.n; + } + + bool Pixel::operator!=(const Pixel& p) const + { + return n != p.n; + } + + Pixel Pixel::operator * (const float i) const + { + float fR = std::min(255.0f, std::max(0.0f, float(r) * i)); + float fG = std::min(255.0f, std::max(0.0f, float(g) * i)); + float fB = std::min(255.0f, std::max(0.0f, float(b) * i)); + return Pixel(uint8_t(fR), uint8_t(fG), uint8_t(fB), a); + } + + Pixel Pixel::operator / (const float i) const + { + float fR = std::min(255.0f, std::max(0.0f, float(r) / i)); + float fG = std::min(255.0f, std::max(0.0f, float(g) / i)); + float fB = std::min(255.0f, std::max(0.0f, float(b) / i)); + return Pixel(uint8_t(fR), uint8_t(fG), uint8_t(fB), a); + } + + Pixel& Pixel::operator *=(const float i) + { + this->r = uint8_t(std::min(255.0f, std::max(0.0f, float(r) * i))); + this->g = uint8_t(std::min(255.0f, std::max(0.0f, float(g) * i))); + this->b = uint8_t(std::min(255.0f, std::max(0.0f, float(b) * i))); + return *this; + } + + Pixel& Pixel::operator /=(const float i) + { + this->r = uint8_t(std::min(255.0f, std::max(0.0f, float(r) / i))); + this->g = uint8_t(std::min(255.0f, std::max(0.0f, float(g) / i))); + this->b = uint8_t(std::min(255.0f, std::max(0.0f, float(b) / i))); + return *this; + } + + Pixel Pixel::operator + (const Pixel& p) const + { + uint8_t nR = uint8_t(std::min(255, std::max(0, int(r) + int(p.r)))); + uint8_t nG = uint8_t(std::min(255, std::max(0, int(g) + int(p.g)))); + uint8_t nB = uint8_t(std::min(255, std::max(0, int(b) + int(p.b)))); + return Pixel(nR, nG, nB, a); + } + + Pixel Pixel::operator - (const Pixel& p) const + { + uint8_t nR = uint8_t(std::min(255, std::max(0, int(r) - int(p.r)))); + uint8_t nG = uint8_t(std::min(255, std::max(0, int(g) - int(p.g)))); + uint8_t nB = uint8_t(std::min(255, std::max(0, int(b) - int(p.b)))); + return Pixel(nR, nG, nB, a); + } + + Pixel& Pixel::operator += (const Pixel& p) + { + this->r = uint8_t(std::min(255, std::max(0, int(r) + int(p.r)))); + this->g = uint8_t(std::min(255, std::max(0, int(g) + int(p.g)))); + this->b = uint8_t(std::min(255, std::max(0, int(b) + int(p.b)))); + return *this; + } + + Pixel& Pixel::operator -= (const Pixel& p) + { + this->r = uint8_t(std::min(255, std::max(0, int(r) + int(p.r)))); + this->g = uint8_t(std::min(255, std::max(0, int(g) + int(p.g)))); + this->b = uint8_t(std::min(255, std::max(0, int(b) + int(p.b)))); + return *this; + } + + Pixel Pixel::inv() const + { + uint8_t nR = uint8_t(std::min(255, std::max(0, 255 - int(r)))); + uint8_t nG = uint8_t(std::min(255, std::max(0, 255 - int(g)))); + uint8_t nB = uint8_t(std::min(255, std::max(0, 255 - int(b)))); + return Pixel(nR, nG, nB, a); + } + + Pixel PixelF(float red, float green, float blue, float alpha) + { + return Pixel(uint8_t(red * 255.0f), uint8_t(green * 255.0f), uint8_t(blue * 255.0f), uint8_t(alpha * 255.0f)); + } + + Pixel PixelLerp(const olc::Pixel& p1, const olc::Pixel& p2, float t) + { + return (p2 * t) + p1 * (1.0f - t); + } + + // O------------------------------------------------------------------------------O + // | olc::Sprite IMPLEMENTATION | + // O------------------------------------------------------------------------------O + Sprite::Sprite() + { + pColData = nullptr; width = 0; height = 0; + } + + Sprite::Sprite(const std::string& sImageFile, olc::ResourcePack* pack) + { + LoadFromFile(sImageFile, pack); + } + + Sprite::Sprite(int32_t w, int32_t h) + { + if (pColData) delete[] pColData; + width = w; height = h; + pColData = new Pixel[width * height]; + for (int32_t i = 0; i < width * height; i++) + pColData[i] = Pixel(); + } + + Sprite::~Sprite() + { + if (pColData) delete[] pColData; + } + + + olc::rcode Sprite::LoadFromPGESprFile(const std::string& sImageFile, olc::ResourcePack* pack) + { + if (pColData) delete[] pColData; + auto ReadData = [&](std::istream& is) + { + is.read((char*)&width, sizeof(int32_t)); + is.read((char*)&height, sizeof(int32_t)); + pColData = new Pixel[width * height]; + is.read((char*)pColData, (size_t)width * (size_t)height * sizeof(uint32_t)); + }; + + // These are essentially Memory Surfaces represented by olc::Sprite + // which load very fast, but are completely uncompressed + if (pack == nullptr) + { + std::ifstream ifs; + ifs.open(sImageFile, std::ifstream::binary); + if (ifs.is_open()) + { + ReadData(ifs); + return olc::OK; + } + else + return olc::FAIL; + } + else + { + ResourceBuffer rb = pack->GetFileBuffer(sImageFile); + std::istream is(&rb); + ReadData(is); + return olc::OK; + } + return olc::FAIL; + } + + olc::rcode Sprite::SaveToPGESprFile(const std::string& sImageFile) + { + if (pColData == nullptr) return olc::FAIL; + + std::ofstream ofs; + ofs.open(sImageFile, std::ifstream::binary); + if (ofs.is_open()) + { + ofs.write((char*)&width, sizeof(int32_t)); + ofs.write((char*)&height, sizeof(int32_t)); + ofs.write((char*)pColData, (size_t)width * (size_t)height * sizeof(uint32_t)); + ofs.close(); + return olc::OK; + } + + return olc::FAIL; + } + + void Sprite::SetSampleMode(olc::Sprite::Mode mode) + { + modeSample = mode; + } + + Pixel Sprite::GetPixel(const olc::vi2d& a) const + { + return GetPixel(a.x, a.y); + } + + bool Sprite::SetPixel(const olc::vi2d& a, Pixel p) + { + return SetPixel(a.x, a.y, p); + } + + Pixel Sprite::GetPixel(int32_t x, int32_t y) const + { + if (modeSample == olc::Sprite::Mode::NORMAL) + { + if (x >= 0 && x < width && y >= 0 && y < height) + return pColData[y * width + x]; + else + return Pixel(0, 0, 0, 0); + } + else + { + return pColData[abs(y % height) * width + abs(x % width)]; + } + } + + bool Sprite::SetPixel(int32_t x, int32_t y, Pixel p) + { + if (x >= 0 && x < width && y >= 0 && y < height) + { + pColData[y * width + x] = p; + return true; + } + else + return false; + } + + Pixel Sprite::Sample(float x, float y) const + { + int32_t sx = std::min((int32_t)((x * (float)width)), width - 1); + int32_t sy = std::min((int32_t)((y * (float)height)), height - 1); + return GetPixel(sx, sy); + } + + Pixel Sprite::SampleBL(float u, float v) const + { + u = u * width - 0.5f; + v = v * height - 0.5f; + int x = (int)floor(u); // cast to int rounds toward zero, not downward + int y = (int)floor(v); // Thanks @joshinils + float u_ratio = u - x; + float v_ratio = v - y; + float u_opposite = 1 - u_ratio; + float v_opposite = 1 - v_ratio; + + olc::Pixel p1 = GetPixel(std::max(x, 0), std::max(y, 0)); + olc::Pixel p2 = GetPixel(std::min(x + 1, (int)width - 1), std::max(y, 0)); + olc::Pixel p3 = GetPixel(std::max(x, 0), std::min(y + 1, (int)height - 1)); + olc::Pixel p4 = GetPixel(std::min(x + 1, (int)width - 1), std::min(y + 1, (int)height - 1)); + + return olc::Pixel( + (uint8_t)((p1.r * u_opposite + p2.r * u_ratio) * v_opposite + (p3.r * u_opposite + p4.r * u_ratio) * v_ratio), + (uint8_t)((p1.g * u_opposite + p2.g * u_ratio) * v_opposite + (p3.g * u_opposite + p4.g * u_ratio) * v_ratio), + (uint8_t)((p1.b * u_opposite + p2.b * u_ratio) * v_opposite + (p3.b * u_opposite + p4.b * u_ratio) * v_ratio)); + } + + Pixel* Sprite::GetData() + { + return pColData; + } + + + olc::rcode Sprite::LoadFromFile(const std::string& sImageFile, olc::ResourcePack* pack) + { + UNUSED(pack); + return loader->LoadImageResource(this, sImageFile, pack); + } + + olc::Sprite* Sprite::Duplicate() + { + olc::Sprite* spr = new olc::Sprite(width, height); + std::memcpy(spr->GetData(), GetData(), width * height * sizeof(olc::Pixel)); + spr->modeSample = modeSample; + return spr; + } + + olc::Sprite* Sprite::Duplicate(const olc::vi2d& vPos, const olc::vi2d& vSize) + { + olc::Sprite* spr = new olc::Sprite(vSize.x, vSize.y); + for (int y = 0; y < vSize.y; y++) + for (int x = 0; x < vSize.x; x++) + spr->SetPixel(x, y, GetPixel(vPos.x + x, vPos.y + y)); + return spr; + } + + // O------------------------------------------------------------------------------O + // | olc::Decal IMPLEMENTATION | + // O------------------------------------------------------------------------------O + Decal::Decal(olc::Sprite* spr, bool filter) + { + id = -1; + if (spr == nullptr) return; + sprite = spr; + id = renderer->CreateTexture(sprite->width, sprite->height, filter); + Update(); + } + + Decal::Decal(const uint32_t nExistingTextureResource, olc::Sprite* spr) + { + if (spr == nullptr) return; + id = nExistingTextureResource; + } + + void Decal::Update() + { + if (sprite == nullptr) return; + vUVScale = { 1.0f / float(sprite->width), 1.0f / float(sprite->height) }; + renderer->ApplyTexture(id); + renderer->UpdateTexture(id, sprite); + } + + void Decal::UpdateSprite() + { + if (sprite == nullptr) return; + renderer->ApplyTexture(id); + renderer->ReadTexture(id, sprite); + } + + Decal::~Decal() + { + if (id != -1) + { + renderer->DeleteTexture(id); + id = -1; + } + } + + void Renderable::Create(uint32_t width, uint32_t height, bool filter) + { + pSprite = std::make_unique(width, height); + pDecal = std::make_unique(pSprite.get(), filter); + } + + olc::rcode Renderable::Load(const std::string& sFile, ResourcePack* pack, bool filter) + { + pSprite = std::make_unique(); + if (pSprite->LoadFromFile(sFile, pack) == olc::rcode::OK) + { + pDecal = std::make_unique(pSprite.get(), filter); + return olc::rcode::OK; + } + else + { + pSprite.release(); + pSprite = nullptr; + return olc::rcode::NO_FILE; + } + } + + olc::Decal* Renderable::Decal() const + { + return pDecal.get(); + } + + olc::Sprite* Renderable::Sprite() const + { + return pSprite.get(); + } + + // O------------------------------------------------------------------------------O + // | olc::ResourcePack IMPLEMENTATION | + // O------------------------------------------------------------------------------O + + + //============================================================= + // Resource Packs - Allows you to store files in one large + // scrambled file - Thanks MaGetzUb for debugging a null char in std::stringstream bug + ResourceBuffer::ResourceBuffer(std::ifstream& ifs, uint32_t offset, uint32_t size) + { + vMemory.resize(size); + ifs.seekg(offset); ifs.read(vMemory.data(), vMemory.size()); + setg(vMemory.data(), vMemory.data(), vMemory.data() + size); + } + + ResourcePack::ResourcePack() { } + ResourcePack::~ResourcePack() { baseFile.close(); } + + bool ResourcePack::AddFile(const std::string& sFile) + { + const std::string file = makeposix(sFile); + + if (_gfs::exists(file)) + { + sResourceFile e; + e.nSize = (uint32_t)_gfs::file_size(file); + e.nOffset = 0; // Unknown at this stage + mapFiles[file] = e; + return true; + } + return false; + } + + bool ResourcePack::LoadPack(const std::string& sFile, const std::string& sKey) + { + // Open the resource file + baseFile.open(sFile, std::ifstream::binary); + if (!baseFile.is_open()) return false; + + // 1) Read Scrambled index + uint32_t nIndexSize = 0; + baseFile.read((char*)&nIndexSize, sizeof(uint32_t)); + + std::vector buffer(nIndexSize); + for (uint32_t j = 0; j < nIndexSize; j++) + buffer[j] = baseFile.get(); + + std::vector decoded = scramble(buffer, sKey); + size_t pos = 0; + auto read = [&decoded, &pos](char* dst, size_t size) { + memcpy((void*)dst, (const void*)(decoded.data() + pos), size); + pos += size; + }; + + auto get = [&read]() -> int { + char c; + read(&c, 1); + return c; + }; + + // 2) Read Map + uint32_t nMapEntries = 0; + read((char*)&nMapEntries, sizeof(uint32_t)); + for (uint32_t i = 0; i < nMapEntries; i++) + { + uint32_t nFilePathSize = 0; + read((char*)&nFilePathSize, sizeof(uint32_t)); + + std::string sFileName(nFilePathSize, ' '); + for (uint32_t j = 0; j < nFilePathSize; j++) + sFileName[j] = get(); + + sResourceFile e; + read((char*)&e.nSize, sizeof(uint32_t)); + read((char*)&e.nOffset, sizeof(uint32_t)); + mapFiles[sFileName] = e; + } + + // Don't close base file! we will provide a stream + // pointer when the file is requested + return true; + } + + bool ResourcePack::SavePack(const std::string& sFile, const std::string& sKey) + { + // Create/Overwrite the resource file + std::ofstream ofs(sFile, std::ofstream::binary); + if (!ofs.is_open()) return false; + + // Iterate through map + uint32_t nIndexSize = 0; // Unknown for now + ofs.write((char*)&nIndexSize, sizeof(uint32_t)); + uint32_t nMapSize = uint32_t(mapFiles.size()); + ofs.write((char*)&nMapSize, sizeof(uint32_t)); + for (auto& e : mapFiles) + { + // Write the path of the file + size_t nPathSize = e.first.size(); + ofs.write((char*)&nPathSize, sizeof(uint32_t)); + ofs.write(e.first.c_str(), nPathSize); + + // Write the file entry properties + ofs.write((char*)&e.second.nSize, sizeof(uint32_t)); + ofs.write((char*)&e.second.nOffset, sizeof(uint32_t)); + } + + // 2) Write the individual Data + std::streampos offset = ofs.tellp(); + nIndexSize = (uint32_t)offset; + for (auto& e : mapFiles) + { + // Store beginning of file offset within resource pack file + e.second.nOffset = (uint32_t)offset; + + // Load the file to be added + std::vector vBuffer(e.second.nSize); + std::ifstream i(e.first, std::ifstream::binary); + i.read((char*)vBuffer.data(), e.second.nSize); + i.close(); + + // Write the loaded file into resource pack file + ofs.write((char*)vBuffer.data(), e.second.nSize); + offset += e.second.nSize; + } + + // 3) Scramble Index + std::vector stream; + auto write = [&stream](const char* data, size_t size) { + size_t sizeNow = stream.size(); + stream.resize(sizeNow + size); + memcpy(stream.data() + sizeNow, data, size); + }; + + // Iterate through map + write((char*)&nMapSize, sizeof(uint32_t)); + for (auto& e : mapFiles) + { + // Write the path of the file + size_t nPathSize = e.first.size(); + write((char*)&nPathSize, sizeof(uint32_t)); + write(e.first.c_str(), nPathSize); + + // Write the file entry properties + write((char*)&e.second.nSize, sizeof(uint32_t)); + write((char*)&e.second.nOffset, sizeof(uint32_t)); + } + std::vector sIndexString = scramble(stream, sKey); + uint32_t nIndexStringLen = uint32_t(sIndexString.size()); + // 4) Rewrite Map (it has been updated with offsets now) + // at start of file + ofs.seekp(0, std::ios::beg); + ofs.write((char*)&nIndexStringLen, sizeof(uint32_t)); + ofs.write(sIndexString.data(), nIndexStringLen); + ofs.close(); + return true; + } + + ResourceBuffer ResourcePack::GetFileBuffer(const std::string& sFile) + { + return ResourceBuffer(baseFile, mapFiles[sFile].nOffset, mapFiles[sFile].nSize); + } + + bool ResourcePack::Loaded() + { + return baseFile.is_open(); + } + + std::vector ResourcePack::scramble(const std::vector& data, const std::string& key) + { + if (key.empty()) return data; + std::vector o; + size_t c = 0; + for (auto s : data) o.push_back(s ^ key[(c++) % key.size()]); + return o; + }; + + std::string ResourcePack::makeposix(const std::string& path) + { + std::string o; + for (auto s : path) o += std::string(1, s == '\\' ? '/' : s); + return o; + }; + + // O------------------------------------------------------------------------------O + // | olc::PixelGameEngine IMPLEMENTATION | + // O------------------------------------------------------------------------------O + PixelGameEngine::PixelGameEngine() + { + sAppName = "Undefined"; + olc::PGEX::pge = this; + + // Bring in relevant Platform & Rendering systems depending + // on compiler parameters + olc_ConfigureSystem(); + } + + PixelGameEngine::~PixelGameEngine() + { + delete fontSprite; + delete fontDecal; + for (auto& layer : vLayers) + { + delete layer.pDrawTarget; + } + } + + + olc::rcode PixelGameEngine::Construct(int32_t screen_w, int32_t screen_h, int32_t pixel_w, int32_t pixel_h, bool full_screen, bool vsync, bool cohesion) + { + bPixelCohesion = cohesion; + vScreenSize = { screen_w, screen_h }; + vInvScreenSize = { 1.0f / float(screen_w), 1.0f / float(screen_h) }; + vPixelSize = { pixel_w, pixel_h }; + vWindowSize = vScreenSize * vPixelSize; + bFullScreen = full_screen; + bEnableVSYNC = vsync; + vPixel = 2.0f / vScreenSize; + + if (vPixelSize.x <= 0 || vPixelSize.y <= 0 || vScreenSize.x <= 0 || vScreenSize.y <= 0) + return olc::FAIL; + + + return olc::OK; + } + + + void PixelGameEngine::SetScreenSize(int w, int h) + { + vScreenSize = { w, h }; + vInvScreenSize = { 1.0f / float(w), 1.0f / float(h) }; + for (auto& layer : vLayers) + { + delete layer.pDrawTarget; // Erase existing layer sprites + layer.pDrawTarget = new Sprite(vScreenSize.x, vScreenSize.y); + layer.bUpdate = true; + } + SetDrawTarget(nullptr); + + renderer->ClearBuffer(olc::BLACK, true); + renderer->DisplayFrame(); + renderer->ClearBuffer(olc::BLACK, true); + renderer->UpdateViewport(vViewPos, vViewSize); + } + +#if !defined(PGE_USE_CUSTOM_START) + olc::rcode PixelGameEngine::Start() + { + if (platform->ApplicationStartUp() != olc::OK) return olc::FAIL; + + // Construct the window + if (platform->CreateWindowPane({ 30,30 }, vWindowSize, bFullScreen) != olc::OK) return olc::FAIL; + olc_UpdateWindowSize(vWindowSize.x, vWindowSize.y); + + // Start the thread + bAtomActive = true; + std::thread t = std::thread(&PixelGameEngine::EngineThread, this); + + // Some implementations may form an event loop here + platform->StartSystemEventLoop(); + + // Wait for thread to be exited + t.join(); + + if (platform->ApplicationCleanUp() != olc::OK) return olc::FAIL; + + return olc::OK; + } +#endif + + void PixelGameEngine::SetDrawTarget(Sprite* target) + { + if (target) + { + pDrawTarget = target; + } + else + { + nTargetLayer = 0; + pDrawTarget = vLayers[0].pDrawTarget; + } + } + + void PixelGameEngine::SetDrawTarget(uint8_t layer) + { + if (layer < vLayers.size()) + { + pDrawTarget = vLayers[layer].pDrawTarget; + vLayers[layer].bUpdate = true; + nTargetLayer = layer; + } + } + + void PixelGameEngine::EnableLayer(uint8_t layer, bool b) + { + if (layer < vLayers.size()) vLayers[layer].bShow = b; + } + + void PixelGameEngine::SetLayerOffset(uint8_t layer, const olc::vf2d& offset) + { + SetLayerOffset(layer, offset.x, offset.y); + } + + void PixelGameEngine::SetLayerOffset(uint8_t layer, float x, float y) + { + if (layer < vLayers.size()) vLayers[layer].vOffset = { x, y }; + } + + void PixelGameEngine::SetLayerScale(uint8_t layer, const olc::vf2d& scale) + { + SetLayerScale(layer, scale.x, scale.y); + } + + void PixelGameEngine::SetLayerScale(uint8_t layer, float x, float y) + { + if (layer < vLayers.size()) vLayers[layer].vScale = { x, y }; + } + + void PixelGameEngine::SetLayerTint(uint8_t layer, const olc::Pixel& tint) + { + if (layer < vLayers.size()) vLayers[layer].tint = tint; + } + + void PixelGameEngine::SetLayerCustomRenderFunction(uint8_t layer, std::function f) + { + if (layer < vLayers.size()) vLayers[layer].funcHook = f; + } + + std::vector& PixelGameEngine::GetLayers() + { + return vLayers; + } + + uint32_t PixelGameEngine::CreateLayer() + { + LayerDesc ld; + ld.pDrawTarget = new olc::Sprite(vScreenSize.x, vScreenSize.y); + ld.nResID = renderer->CreateTexture(vScreenSize.x, vScreenSize.y); + renderer->UpdateTexture(ld.nResID, ld.pDrawTarget); + vLayers.push_back(ld); + return uint32_t(vLayers.size()) - 1; + } + + Sprite* PixelGameEngine::GetDrawTarget() const + { + return pDrawTarget; + } + + int32_t PixelGameEngine::GetDrawTargetWidth() const + { + if (pDrawTarget) + return pDrawTarget->width; + else + return 0; + } + + int32_t PixelGameEngine::GetDrawTargetHeight() const + { + if (pDrawTarget) + return pDrawTarget->height; + else + return 0; + } + + uint32_t PixelGameEngine::GetFPS() const + { + return nLastFPS; + } + + bool PixelGameEngine::IsFocused() const + { + return bHasInputFocus; + } + + HWButton PixelGameEngine::GetKey(Key k) const + { + return pKeyboardState[k]; + } + + HWButton PixelGameEngine::GetMouse(uint32_t b) const + { + return pMouseState[b]; + } + + int32_t PixelGameEngine::GetMouseX() const + { + return vMousePos.x; + } + + int32_t PixelGameEngine::GetMouseY() const + { + return vMousePos.y; + } + + const olc::vi2d& PixelGameEngine::GetMousePos() const + { + return vMousePos; + } + + int32_t PixelGameEngine::GetMouseWheel() const + { + return nMouseWheelDelta; + } + + int32_t PixelGameEngine::ScreenWidth() const + { + return vScreenSize.x; + } + + int32_t PixelGameEngine::ScreenHeight() const + { + return vScreenSize.y; + } + + float PixelGameEngine::GetElapsedTime() const + { + return fLastElapsed; + } + + const olc::vi2d& PixelGameEngine::GetWindowSize() const + { + return vWindowSize; + } + + const olc::vi2d& PixelGameEngine::GetPixelSize() const + { + return vPixelSize; + } + + const olc::vi2d& PixelGameEngine::GetScreenPixelSize() const + { + return vScreenPixelSize; + } + + const olc::vi2d& PixelGameEngine::GetWindowMouse() const + { + return vMouseWindowPos; + } + + + bool PixelGameEngine::Draw(const olc::vi2d& pos, Pixel p) + { + return Draw(pos.x, pos.y, p); + } + + // This is it, the critical function that plots a pixel + bool PixelGameEngine::Draw(int32_t x, int32_t y, Pixel p) + { + if (!pDrawTarget) return false; + + if (nPixelMode == Pixel::NORMAL) + { + return pDrawTarget->SetPixel(x, y, p); + } + + if (nPixelMode == Pixel::MASK) + { + if (p.a == 255) + return pDrawTarget->SetPixel(x, y, p); + } + + if (nPixelMode == Pixel::ALPHA) + { + Pixel d = pDrawTarget->GetPixel(x, y); + float a = (float)(p.a / 255.0f) * fBlendFactor; + float c = 1.0f - a; + float r = a * (float)p.r + c * (float)d.r; + float g = a * (float)p.g + c * (float)d.g; + float b = a * (float)p.b + c * (float)d.b; + return pDrawTarget->SetPixel(x, y, Pixel((uint8_t)r, (uint8_t)g, (uint8_t)b/*, (uint8_t)(p.a * fBlendFactor)*/)); + } + + if (nPixelMode == Pixel::CUSTOM) + { + return pDrawTarget->SetPixel(x, y, funcPixelMode(x, y, p, pDrawTarget->GetPixel(x, y))); + } + + return false; + } + + + void PixelGameEngine::DrawLine(const olc::vi2d& pos1, const olc::vi2d& pos2, Pixel p, uint32_t pattern) + { + DrawLine(pos1.x, pos1.y, pos2.x, pos2.y, p, pattern); + } + + void PixelGameEngine::DrawLine(int32_t x1, int32_t y1, int32_t x2, int32_t y2, Pixel p, uint32_t pattern) + { + int x, y, dx, dy, dx1, dy1, px, py, xe, ye, i; + dx = x2 - x1; dy = y2 - y1; + + auto rol = [&](void) { pattern = (pattern << 1) | (pattern >> 31); return pattern & 1; }; + + // straight lines idea by gurkanctn + if (dx == 0) // Line is vertical + { + if (y2 < y1) std::swap(y1, y2); + for (y = y1; y <= y2; y++) if (rol()) Draw(x1, y, p); + return; + } + + if (dy == 0) // Line is horizontal + { + if (x2 < x1) std::swap(x1, x2); + for (x = x1; x <= x2; x++) if (rol()) Draw(x, y1, p); + return; + } + + // Line is Funk-aye + dx1 = abs(dx); dy1 = abs(dy); + px = 2 * dy1 - dx1; py = 2 * dx1 - dy1; + if (dy1 <= dx1) + { + if (dx >= 0) + { + x = x1; y = y1; xe = x2; + } + else + { + x = x2; y = y2; xe = x1; + } + + if (rol()) Draw(x, y, p); + + for (i = 0; x < xe; i++) + { + x = x + 1; + if (px < 0) + px = px + 2 * dy1; + else + { + if ((dx < 0 && dy < 0) || (dx > 0 && dy > 0)) y = y + 1; else y = y - 1; + px = px + 2 * (dy1 - dx1); + } + if (rol()) Draw(x, y, p); + } + } + else + { + if (dy >= 0) + { + x = x1; y = y1; ye = y2; + } + else + { + x = x2; y = y2; ye = y1; + } + + if (rol()) Draw(x, y, p); + + for (i = 0; y < ye; i++) + { + y = y + 1; + if (py <= 0) + py = py + 2 * dx1; + else + { + if ((dx < 0 && dy < 0) || (dx > 0 && dy > 0)) x = x + 1; else x = x - 1; + py = py + 2 * (dx1 - dy1); + } + if (rol()) Draw(x, y, p); + } + } + } + + void PixelGameEngine::DrawCircle(const olc::vi2d& pos, int32_t radius, Pixel p, uint8_t mask) + { + DrawCircle(pos.x, pos.y, radius, p, mask); + } + + void PixelGameEngine::DrawCircle(int32_t x, int32_t y, int32_t radius, Pixel p, uint8_t mask) + { // Thanks to IanM-Matrix1 #PR121 + if (radius < 0 || x < -radius || y < -radius || x - GetDrawTargetWidth() > radius || y - GetDrawTargetHeight() > radius) + return; + + if (radius > 0) + { + int x0 = 0; + int y0 = radius; + int d = 3 - 2 * radius; + + while (y0 >= x0) // only formulate 1/8 of circle + { + // Draw even octants + if (mask & 0x01) Draw(x + x0, y - y0, p);// Q6 - upper right right + if (mask & 0x04) Draw(x + y0, y + x0, p);// Q4 - lower lower right + if (mask & 0x10) Draw(x - x0, y + y0, p);// Q2 - lower left left + if (mask & 0x40) Draw(x - y0, y - x0, p);// Q0 - upper upper left + if (x0 != 0 && x0 != y0) + { + if (mask & 0x02) Draw(x + y0, y - x0, p);// Q7 - upper upper right + if (mask & 0x08) Draw(x + x0, y + y0, p);// Q5 - lower right right + if (mask & 0x20) Draw(x - y0, y + x0, p);// Q3 - lower lower left + if (mask & 0x80) Draw(x - x0, y - y0, p);// Q1 - upper left left + } + + if (d < 0) + d += 4 * x0++ + 6; + else + d += 4 * (x0++ - y0--) + 10; + } + } + else + Draw(x, y, p); + } + + void PixelGameEngine::FillCircle(const olc::vi2d& pos, int32_t radius, Pixel p) + { + FillCircle(pos.x, pos.y, radius, p); + } + + void PixelGameEngine::FillCircle(int32_t x, int32_t y, int32_t radius, Pixel p) + { // Thanks to IanM-Matrix1 #PR121 + if (radius < 0 || x < -radius || y < -radius || x - GetDrawTargetWidth() > radius || y - GetDrawTargetHeight() > radius) + return; + + if (radius > 0) + { + int x0 = 0; + int y0 = radius; + int d = 3 - 2 * radius; + + auto drawline = [&](int sx, int ex, int y) + { + for (int x = sx; x <= ex; x++) + Draw(x, y, p); + }; + + while (y0 >= x0) + { + drawline(x - y0, x + y0, y - x0); + if (x0 > 0) drawline(x - y0, x + y0, y + x0); + + if (d < 0) + d += 4 * x0++ + 6; + else + { + if (x0 != y0) + { + drawline(x - x0, x + x0, y - y0); + drawline(x - x0, x + x0, y + y0); + } + d += 4 * (x0++ - y0--) + 10; + } + } + } + else + Draw(x, y, p); + } + + void PixelGameEngine::DrawRect(const olc::vi2d& pos, const olc::vi2d& size, Pixel p) + { + DrawRect(pos.x, pos.y, size.x, size.y, p); + } + + void PixelGameEngine::DrawRect(int32_t x, int32_t y, int32_t w, int32_t h, Pixel p) + { + DrawLine(x, y, x + w, y, p); + DrawLine(x + w, y, x + w, y + h, p); + DrawLine(x + w, y + h, x, y + h, p); + DrawLine(x, y + h, x, y, p); + } + + void PixelGameEngine::Clear(Pixel p) + { + int pixels = GetDrawTargetWidth() * GetDrawTargetHeight(); + Pixel* m = GetDrawTarget()->GetData(); + for (int i = 0; i < pixels; i++) m[i] = p; + } + + void PixelGameEngine::ClearBuffer(Pixel p, bool bDepth) + { + renderer->ClearBuffer(p, bDepth); + } + + olc::Sprite* PixelGameEngine::GetFontSprite() + { + return fontSprite; + } + + void PixelGameEngine::FillRect(const olc::vi2d& pos, const olc::vi2d& size, Pixel p) + { + FillRect(pos.x, pos.y, size.x, size.y, p); + } + + void PixelGameEngine::FillRect(int32_t x, int32_t y, int32_t w, int32_t h, Pixel p) + { + int32_t x2 = x + w; + int32_t y2 = y + h; + + if (x < 0) x = 0; + if (x >= (int32_t)GetDrawTargetWidth()) x = (int32_t)GetDrawTargetWidth(); + if (y < 0) y = 0; + if (y >= (int32_t)GetDrawTargetHeight()) y = (int32_t)GetDrawTargetHeight(); + + if (x2 < 0) x2 = 0; + if (x2 >= (int32_t)GetDrawTargetWidth()) x2 = (int32_t)GetDrawTargetWidth(); + if (y2 < 0) y2 = 0; + if (y2 >= (int32_t)GetDrawTargetHeight()) y2 = (int32_t)GetDrawTargetHeight(); + + for (int i = x; i < x2; i++) + for (int j = y; j < y2; j++) + Draw(i, j, p); + } + + void PixelGameEngine::DrawTriangle(const olc::vi2d& pos1, const olc::vi2d& pos2, const olc::vi2d& pos3, Pixel p) + { + DrawTriangle(pos1.x, pos1.y, pos2.x, pos2.y, pos3.x, pos3.y, p); + } + + void PixelGameEngine::DrawTriangle(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t x3, int32_t y3, Pixel p) + { + DrawLine(x1, y1, x2, y2, p); + DrawLine(x2, y2, x3, y3, p); + DrawLine(x3, y3, x1, y1, p); + } + + void PixelGameEngine::FillTriangle(const olc::vi2d& pos1, const olc::vi2d& pos2, const olc::vi2d& pos3, Pixel p) + { + FillTriangle(pos1.x, pos1.y, pos2.x, pos2.y, pos3.x, pos3.y, p); + } + + // https://www.avrfreaks.net/sites/default/files/triangles.c + void PixelGameEngine::FillTriangle(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t x3, int32_t y3, Pixel p) + { + auto drawline = [&](int sx, int ex, int ny) { for (int i = sx; i <= ex; i++) Draw(i, ny, p); }; + + int t1x, t2x, y, minx, maxx, t1xp, t2xp; + bool changed1 = false; + bool changed2 = false; + int signx1, signx2, dx1, dy1, dx2, dy2; + int e1, e2; + // Sort vertices + if (y1 > y2) { std::swap(y1, y2); std::swap(x1, x2); } + if (y1 > y3) { std::swap(y1, y3); std::swap(x1, x3); } + if (y2 > y3) { std::swap(y2, y3); std::swap(x2, x3); } + + t1x = t2x = x1; y = y1; // Starting points + dx1 = (int)(x2 - x1); + if (dx1 < 0) { dx1 = -dx1; signx1 = -1; } + else signx1 = 1; + dy1 = (int)(y2 - y1); + + dx2 = (int)(x3 - x1); + if (dx2 < 0) { dx2 = -dx2; signx2 = -1; } + else signx2 = 1; + dy2 = (int)(y3 - y1); + + if (dy1 > dx1) { std::swap(dx1, dy1); changed1 = true; } + if (dy2 > dx2) { std::swap(dy2, dx2); changed2 = true; } + + e2 = (int)(dx2 >> 1); + // Flat top, just process the second half + if (y1 == y2) goto next; + e1 = (int)(dx1 >> 1); + + for (int i = 0; i < dx1;) { + t1xp = 0; t2xp = 0; + if (t1x < t2x) { minx = t1x; maxx = t2x; } + else { minx = t2x; maxx = t1x; } + // process first line until y value is about to change + while (i < dx1) { + i++; + e1 += dy1; + while (e1 >= dx1) { + e1 -= dx1; + if (changed1) t1xp = signx1;//t1x += signx1; + else goto next1; + } + if (changed1) break; + else t1x += signx1; + } + // Move line + next1: + // process second line until y value is about to change + while (1) { + e2 += dy2; + while (e2 >= dx2) { + e2 -= dx2; + if (changed2) t2xp = signx2;//t2x += signx2; + else goto next2; + } + if (changed2) break; + else t2x += signx2; + } + next2: + if (minx > t1x) minx = t1x; + if (minx > t2x) minx = t2x; + if (maxx < t1x) maxx = t1x; + if (maxx < t2x) maxx = t2x; + drawline(minx, maxx, y); // Draw line from min to max points found on the y + // Now increase y + if (!changed1) t1x += signx1; + t1x += t1xp; + if (!changed2) t2x += signx2; + t2x += t2xp; + y += 1; + if (y == y2) break; + + } + next: + // Second half + dx1 = (int)(x3 - x2); if (dx1 < 0) { dx1 = -dx1; signx1 = -1; } + else signx1 = 1; + dy1 = (int)(y3 - y2); + t1x = x2; + + if (dy1 > dx1) { // swap values + std::swap(dy1, dx1); + changed1 = true; + } + else changed1 = false; + + e1 = (int)(dx1 >> 1); + + for (int i = 0; i <= dx1; i++) { + t1xp = 0; t2xp = 0; + if (t1x < t2x) { minx = t1x; maxx = t2x; } + else { minx = t2x; maxx = t1x; } + // process first line until y value is about to change + while (i < dx1) { + e1 += dy1; + while (e1 >= dx1) { + e1 -= dx1; + if (changed1) { t1xp = signx1; break; }//t1x += signx1; + else goto next3; + } + if (changed1) break; + else t1x += signx1; + if (i < dx1) i++; + } + next3: + // process second line until y value is about to change + while (t2x != x3) { + e2 += dy2; + while (e2 >= dx2) { + e2 -= dx2; + if (changed2) t2xp = signx2; + else goto next4; + } + if (changed2) break; + else t2x += signx2; + } + next4: + + if (minx > t1x) minx = t1x; + if (minx > t2x) minx = t2x; + if (maxx < t1x) maxx = t1x; + if (maxx < t2x) maxx = t2x; + drawline(minx, maxx, y); + if (!changed1) t1x += signx1; + t1x += t1xp; + if (!changed2) t2x += signx2; + t2x += t2xp; + y += 1; + if (y > y3) return; + } + } + + void PixelGameEngine::DrawSprite(const olc::vi2d& pos, Sprite* sprite, uint32_t scale, uint8_t flip) + { + DrawSprite(pos.x, pos.y, sprite, scale, flip); + } + + void PixelGameEngine::DrawSprite(int32_t x, int32_t y, Sprite* sprite, uint32_t scale, uint8_t flip) + { + if (sprite == nullptr) + return; + + int32_t fxs = 0, fxm = 1, fx = 0; + int32_t fys = 0, fym = 1, fy = 0; + if (flip & olc::Sprite::Flip::HORIZ) { fxs = sprite->width - 1; fxm = -1; } + if (flip & olc::Sprite::Flip::VERT) { fys = sprite->height - 1; fym = -1; } + + if (scale > 1) + { + fx = fxs; + for (int32_t i = 0; i < sprite->width; i++, fx += fxm) + { + fy = fys; + for (int32_t j = 0; j < sprite->height; j++, fy += fym) + for (uint32_t is = 0; is < scale; is++) + for (uint32_t js = 0; js < scale; js++) + Draw(x + (i * scale) + is, y + (j * scale) + js, sprite->GetPixel(fx, fy)); + } + } + else + { + fx = fxs; + for (int32_t i = 0; i < sprite->width; i++, fx += fxm) + { + fy = fys; + for (int32_t j = 0; j < sprite->height; j++, fy += fym) + Draw(x + i, y + j, sprite->GetPixel(fx, fy)); + } + } + } + + void PixelGameEngine::DrawPartialSprite(const olc::vi2d& pos, Sprite* sprite, const olc::vi2d& sourcepos, const olc::vi2d& size, uint32_t scale, uint8_t flip) + { + DrawPartialSprite(pos.x, pos.y, sprite, sourcepos.x, sourcepos.y, size.x, size.y, scale, flip); + } + + void PixelGameEngine::DrawPartialSprite(int32_t x, int32_t y, Sprite* sprite, int32_t ox, int32_t oy, int32_t w, int32_t h, uint32_t scale, uint8_t flip) + { + if (sprite == nullptr) + return; + + int32_t fxs = 0, fxm = 1, fx = 0; + int32_t fys = 0, fym = 1, fy = 0; + if (flip & olc::Sprite::Flip::HORIZ) { fxs = w - 1; fxm = -1; } + if (flip & olc::Sprite::Flip::VERT) { fys = h - 1; fym = -1; } + + if (scale > 1) + { + fx = fxs; + for (int32_t i = 0; i < w; i++, fx += fxm) + { + fy = fys; + for (int32_t j = 0; j < h; j++, fy += fym) + for (uint32_t is = 0; is < scale; is++) + for (uint32_t js = 0; js < scale; js++) + Draw(x + (i * scale) + is, y + (j * scale) + js, sprite->GetPixel(fx + ox, fy + oy)); + } + } + else + { + fx = fxs; + for (int32_t i = 0; i < w; i++, fx += fxm) + { + fy = fys; + for (int32_t j = 0; j < h; j++, fy += fym) + Draw(x + i, y + j, sprite->GetPixel(fx + ox, fy + oy)); + } + } + } + + void PixelGameEngine::SetDecalMode(const olc::DecalMode& mode) + { + nDecalMode = mode; + } + + void PixelGameEngine::DrawPartialDecal(const olc::vf2d& pos, olc::Decal* decal, const olc::vf2d& source_pos, const olc::vf2d& source_size, const olc::vf2d& scale, const olc::Pixel& tint) + { + olc::vf2d vScreenSpacePos = + { + (std::floor(pos.x) * vInvScreenSize.x) * 2.0f - 1.0f, + ((std::floor(pos.y) * vInvScreenSize.y) * 2.0f - 1.0f) * -1.0f + }; + + olc::vf2d vScreenSpaceDim = + { + vScreenSpacePos.x + (2.0f * source_size.x * vInvScreenSize.x) * scale.x, + vScreenSpacePos.y - (2.0f * source_size.y * vInvScreenSize.y) * scale.y + }; + + DecalInstance di; + di.points = 4; + di.decal = decal; + di.tint = { tint, tint, tint, tint }; + di.pos = { { vScreenSpacePos.x, vScreenSpacePos.y }, { vScreenSpacePos.x, vScreenSpaceDim.y }, { vScreenSpaceDim.x, vScreenSpaceDim.y }, { vScreenSpaceDim.x, vScreenSpacePos.y } }; + olc::vf2d uvtl = source_pos * decal->vUVScale; + olc::vf2d uvbr = uvtl + (source_size * decal->vUVScale); + di.uv = { { uvtl.x, uvtl.y }, { uvtl.x, uvbr.y }, { uvbr.x, uvbr.y }, { uvbr.x, uvtl.y } }; + di.w = { 1,1,1,1 }; + di.mode = nDecalMode; + vLayers[nTargetLayer].vecDecalInstance.push_back(di); + } + + void PixelGameEngine::DrawPartialDecal(const olc::vf2d& pos, const olc::vf2d& size, olc::Decal* decal, const olc::vf2d& source_pos, const olc::vf2d& source_size, const olc::Pixel& tint) + { + olc::vf2d vScreenSpacePos = + { + (std::floor(pos.x) * vInvScreenSize.x) * 2.0f - 1.0f, + ((std::floor(pos.y) * vInvScreenSize.y) * 2.0f - 1.0f) * -1.0f + }; + + olc::vf2d vScreenSpaceDim = + { + vScreenSpacePos.x + (2.0f * size.x * vInvScreenSize.x), + vScreenSpacePos.y - (2.0f * size.y * vInvScreenSize.y) + }; + + DecalInstance di; + di.points = 4; + di.decal = decal; + di.tint = { tint, tint, tint, tint }; + di.pos = { { vScreenSpacePos.x, vScreenSpacePos.y }, { vScreenSpacePos.x, vScreenSpaceDim.y }, { vScreenSpaceDim.x, vScreenSpaceDim.y }, { vScreenSpaceDim.x, vScreenSpacePos.y } }; + olc::vf2d uvtl = (source_pos) * decal->vUVScale; + olc::vf2d uvbr = uvtl + ((source_size) * decal->vUVScale); + di.uv = { { uvtl.x, uvtl.y }, { uvtl.x, uvbr.y }, { uvbr.x, uvbr.y }, { uvbr.x, uvtl.y } }; + di.w = { 1,1,1,1 }; + di.mode = nDecalMode; + vLayers[nTargetLayer].vecDecalInstance.push_back(di); + } + + + void PixelGameEngine::DrawDecal(const olc::vf2d& pos, olc::Decal* decal, const olc::vf2d& scale, const olc::Pixel& tint) + { + olc::vf2d vScreenSpacePos = + { + (std::floor(pos.x) * vInvScreenSize.x) * 2.0f - 1.0f, + ((std::floor(pos.y) * vInvScreenSize.y) * 2.0f - 1.0f) * -1.0f + }; + + olc::vf2d vScreenSpaceDim = + { + vScreenSpacePos.x + (2.0f * (float(decal->sprite->width) * vInvScreenSize.x)) * scale.x, + vScreenSpacePos.y - (2.0f * (float(decal->sprite->height) * vInvScreenSize.y)) * scale.y + }; + + DecalInstance di; + di.decal = decal; + di.points = 4; + di.tint = { tint, tint, tint, tint }; + di.pos = { { vScreenSpacePos.x, vScreenSpacePos.y }, { vScreenSpacePos.x, vScreenSpaceDim.y }, { vScreenSpaceDim.x, vScreenSpaceDim.y }, { vScreenSpaceDim.x, vScreenSpacePos.y } }; + di.uv = { { 0.0f, 0.0f}, {0.0f, 1.0f}, {1.0f, 1.0f}, {1.0f, 0.0f} }; + di.w = { 1, 1, 1, 1 }; + di.mode = nDecalMode; + vLayers[nTargetLayer].vecDecalInstance.push_back(di); + } + + void PixelGameEngine::DrawExplicitDecal(olc::Decal* decal, const olc::vf2d* pos, const olc::vf2d* uv, const olc::Pixel* col, uint32_t elements) + { + DecalInstance di; + di.decal = decal; + di.pos.resize(elements); + di.uv.resize(elements); + di.w.resize(elements); + di.tint.resize(elements); + di.points = elements; + for (uint32_t i = 0; i < elements; i++) + { + di.pos[i] = { (pos[i].x * vInvScreenSize.x) * 2.0f - 1.0f, ((pos[i].y * vInvScreenSize.y) * 2.0f - 1.0f) * -1.0f }; + di.uv[i] = uv[i]; + di.tint[i] = col[i]; + di.w[i] = 1.0f; + } + di.mode = nDecalMode; + vLayers[nTargetLayer].vecDecalInstance.push_back(di); + } + + void PixelGameEngine::DrawPolygonDecal(olc::Decal* decal, const std::vector& pos, const std::vector& uv, const olc::Pixel tint) + { + DecalInstance di; + di.decal = decal; + di.points = uint32_t(pos.size()); + di.pos.resize(di.points); + di.uv.resize(di.points); + di.w.resize(di.points); + di.tint.resize(di.points); + for (uint32_t i = 0; i < di.points; i++) + { + di.pos[i] = { (pos[i].x * vInvScreenSize.x) * 2.0f - 1.0f, ((pos[i].y * vInvScreenSize.y) * 2.0f - 1.0f) * -1.0f }; + di.uv[i] = uv[i]; + di.tint[i] = tint; + di.w[i] = 1.0f; + } + di.mode = nDecalMode; + vLayers[nTargetLayer].vecDecalInstance.push_back(di); + } + + void PixelGameEngine::FillRectDecal(const olc::vf2d& pos, const olc::vf2d& size, const olc::Pixel col) + { + std::array points = { { {pos}, {pos.x, pos.y + size.y}, {pos + size}, {pos.x + size.x, pos.y} } }; + std::array uvs = { {{0,0},{0,0},{0,0},{0,0}} }; + std::array cols = { {col, col, col, col} }; + DrawExplicitDecal(nullptr, points.data(), uvs.data(), cols.data(), 4); + } + + void PixelGameEngine::GradientFillRectDecal(const olc::vf2d& pos, const olc::vf2d& size, const olc::Pixel colTL, const olc::Pixel colBL, const olc::Pixel colBR, const olc::Pixel colTR) + { + std::array points = { { {pos}, {pos.x, pos.y + size.y}, {pos + size}, {pos.x + size.x, pos.y} } }; + std::array uvs = { {{0,0},{0,0},{0,0},{0,0}} }; + std::array cols = { {colTL, colBL, colBR, colTR} }; + DrawExplicitDecal(nullptr, points.data(), uvs.data(), cols.data(), 4); + } + + void PixelGameEngine::DrawRotatedDecal(const olc::vf2d& pos, olc::Decal* decal, const float fAngle, const olc::vf2d& center, const olc::vf2d& scale, const olc::Pixel& tint) + { + DecalInstance di; + di.decal = decal; + di.pos.resize(4); + di.uv = { { 0.0f, 0.0f}, {0.0f, 1.0f}, {1.0f, 1.0f}, {1.0f, 0.0f} }; + di.w = { 1, 1, 1, 1 }; + di.tint = { tint, tint, tint, tint }; + di.points = 4; + di.pos[0] = (olc::vf2d(0.0f, 0.0f) - center) * scale; + di.pos[1] = (olc::vf2d(0.0f, float(decal->sprite->height)) - center) * scale; + di.pos[2] = (olc::vf2d(float(decal->sprite->width), float(decal->sprite->height)) - center) * scale; + di.pos[3] = (olc::vf2d(float(decal->sprite->width), 0.0f) - center) * scale; + float c = cos(fAngle), s = sin(fAngle); + for (int i = 0; i < 4; i++) + { + di.pos[i] = pos + olc::vf2d(di.pos[i].x * c - di.pos[i].y * s, di.pos[i].x * s + di.pos[i].y * c); + di.pos[i] = di.pos[i] * vInvScreenSize * 2.0f - olc::vf2d(1.0f, 1.0f); + di.pos[i].y *= -1.0f; + di.w[i] = 1; + } + di.mode = nDecalMode; + vLayers[nTargetLayer].vecDecalInstance.push_back(di); + } + + + void PixelGameEngine::DrawPartialRotatedDecal(const olc::vf2d& pos, olc::Decal* decal, const float fAngle, const olc::vf2d& center, const olc::vf2d& source_pos, const olc::vf2d& source_size, const olc::vf2d& scale, const olc::Pixel& tint) + { + DecalInstance di; + di.decal = decal; + di.points = 4; + di.tint = { tint, tint, tint, tint }; + di.w = { 1, 1, 1, 1 }; + di.pos.resize(4); + di.pos[0] = (olc::vf2d(0.0f, 0.0f) - center) * scale; + di.pos[1] = (olc::vf2d(0.0f, source_size.y) - center) * scale; + di.pos[2] = (olc::vf2d(source_size.x, source_size.y) - center) * scale; + di.pos[3] = (olc::vf2d(source_size.x, 0.0f) - center) * scale; + float c = cos(fAngle), s = sin(fAngle); + for (int i = 0; i < 4; i++) + { + di.pos[i] = pos + olc::vf2d(di.pos[i].x * c - di.pos[i].y * s, di.pos[i].x * s + di.pos[i].y * c); + di.pos[i] = di.pos[i] * vInvScreenSize * 2.0f - olc::vf2d(1.0f, 1.0f); + di.pos[i].y *= -1.0f; + } + + olc::vf2d uvtl = source_pos * decal->vUVScale; + olc::vf2d uvbr = uvtl + (source_size * decal->vUVScale); + di.uv = { { uvtl.x, uvtl.y }, { uvtl.x, uvbr.y }, { uvbr.x, uvbr.y }, { uvbr.x, uvtl.y } }; + di.mode = nDecalMode; + vLayers[nTargetLayer].vecDecalInstance.push_back(di); + } + + void PixelGameEngine::DrawPartialWarpedDecal(olc::Decal* decal, const olc::vf2d* pos, const olc::vf2d& source_pos, const olc::vf2d& source_size, const olc::Pixel& tint) + { + DecalInstance di; + di.points = 4; + di.decal = decal; + di.tint = { tint, tint, tint, tint }; + di.w = { 1, 1, 1, 1 }; + di.pos.resize(4); + di.uv = { { 0.0f, 0.0f}, {0.0f, 1.0f}, {1.0f, 1.0f}, {1.0f, 0.0f} }; + olc::vf2d center; + float rd = ((pos[2].x - pos[0].x) * (pos[3].y - pos[1].y) - (pos[3].x - pos[1].x) * (pos[2].y - pos[0].y)); + if (rd != 0) + { + olc::vf2d uvtl = source_pos * decal->vUVScale; + olc::vf2d uvbr = uvtl + (source_size * decal->vUVScale); + di.uv = { { uvtl.x, uvtl.y }, { uvtl.x, uvbr.y }, { uvbr.x, uvbr.y }, { uvbr.x, uvtl.y } }; + + rd = 1.0f / rd; + float rn = ((pos[3].x - pos[1].x) * (pos[0].y - pos[1].y) - (pos[3].y - pos[1].y) * (pos[0].x - pos[1].x)) * rd; + float sn = ((pos[2].x - pos[0].x) * (pos[0].y - pos[1].y) - (pos[2].y - pos[0].y) * (pos[0].x - pos[1].x)) * rd; + if (!(rn < 0.f || rn > 1.f || sn < 0.f || sn > 1.f)) center = pos[0] + rn * (pos[2] - pos[0]); + float d[4]; for (int i = 0; i < 4; i++) d[i] = (pos[i] - center).mag(); + for (int i = 0; i < 4; i++) + { + float q = d[i] == 0.0f ? 1.0f : (d[i] + d[(i + 2) & 3]) / d[(i + 2) & 3]; + di.uv[i] *= q; di.w[i] *= q; + di.pos[i] = { (pos[i].x * vInvScreenSize.x) * 2.0f - 1.0f, ((pos[i].y * vInvScreenSize.y) * 2.0f - 1.0f) * -1.0f }; + } + di.mode = nDecalMode; + vLayers[nTargetLayer].vecDecalInstance.push_back(di); + } + } + + void PixelGameEngine::DrawWarpedDecal(olc::Decal* decal, const olc::vf2d* pos, const olc::Pixel& tint) + { + // Thanks Nathan Reed, a brilliant article explaining whats going on here + // http://www.reedbeta.com/blog/quadrilateral-interpolation-part-1/ + DecalInstance di; + di.points = 4; + di.decal = decal; + di.tint = { tint, tint, tint, tint }; + di.w = { 1, 1, 1, 1 }; + di.pos.resize(4); + di.uv = { { 0.0f, 0.0f}, {0.0f, 1.0f}, {1.0f, 1.0f}, {1.0f, 0.0f} }; + olc::vf2d center; + float rd = ((pos[2].x - pos[0].x) * (pos[3].y - pos[1].y) - (pos[3].x - pos[1].x) * (pos[2].y - pos[0].y)); + if (rd != 0) + { + rd = 1.0f / rd; + float rn = ((pos[3].x - pos[1].x) * (pos[0].y - pos[1].y) - (pos[3].y - pos[1].y) * (pos[0].x - pos[1].x)) * rd; + float sn = ((pos[2].x - pos[0].x) * (pos[0].y - pos[1].y) - (pos[2].y - pos[0].y) * (pos[0].x - pos[1].x)) * rd; + if (!(rn < 0.f || rn > 1.f || sn < 0.f || sn > 1.f)) center = pos[0] + rn * (pos[2] - pos[0]); + float d[4]; for (int i = 0; i < 4; i++) d[i] = (pos[i] - center).mag(); + for (int i = 0; i < 4; i++) + { + float q = d[i] == 0.0f ? 1.0f : (d[i] + d[(i + 2) & 3]) / d[(i + 2) & 3]; + di.uv[i] *= q; di.w[i] *= q; + di.pos[i] = { (pos[i].x * vInvScreenSize.x) * 2.0f - 1.0f, ((pos[i].y * vInvScreenSize.y) * 2.0f - 1.0f) * -1.0f }; + } + di.mode = nDecalMode; + vLayers[nTargetLayer].vecDecalInstance.push_back(di); + } + } + + void PixelGameEngine::DrawWarpedDecal(olc::Decal* decal, const std::array& pos, const olc::Pixel& tint) + { + DrawWarpedDecal(decal, pos.data(), tint); + } + + void PixelGameEngine::DrawWarpedDecal(olc::Decal* decal, const olc::vf2d(&pos)[4], const olc::Pixel& tint) + { + DrawWarpedDecal(decal, &pos[0], tint); + } + + void PixelGameEngine::DrawPartialWarpedDecal(olc::Decal* decal, const std::array& pos, const olc::vf2d& source_pos, const olc::vf2d& source_size, const olc::Pixel& tint) + { + DrawPartialWarpedDecal(decal, pos.data(), source_pos, source_size, tint); + } + + void PixelGameEngine::DrawPartialWarpedDecal(olc::Decal* decal, const olc::vf2d(&pos)[4], const olc::vf2d& source_pos, const olc::vf2d& source_size, const olc::Pixel& tint) + { + DrawPartialWarpedDecal(decal, &pos[0], source_pos, source_size, tint); + } + + void PixelGameEngine::DrawStringDecal(const olc::vf2d& pos, const std::string& sText, const Pixel col, const olc::vf2d& scale) + { + olc::vf2d spos = { 0.0f, 0.0f }; + for (auto c : sText) + { + if (c == '\n') + { + spos.x = 0; spos.y += 8.0f * scale.y; + } + else + { + int32_t ox = (c - 32) % 16; + int32_t oy = (c - 32) / 16; + DrawPartialDecal(pos + spos, fontDecal, { float(ox) * 8.0f, float(oy) * 8.0f }, { 8.0f, 8.0f }, scale, col); + spos.x += 8.0f * scale.x; + } + } + } + + void PixelGameEngine::DrawStringPropDecal(const olc::vf2d& pos, const std::string& sText, const Pixel col, const olc::vf2d& scale) + { + olc::vf2d spos = { 0.0f, 0.0f }; + for (auto c : sText) + { + if (c == '\n') + { + spos.x = 0; spos.y += 8.0f * scale.y; + } + else + { + int32_t ox = (c - 32) % 16; + int32_t oy = (c - 32) / 16; + DrawPartialDecal(pos + spos, fontDecal, { float(ox) * 8.0f + float(vFontSpacing[c - 32].x), float(oy) * 8.0f }, { float(vFontSpacing[c - 32].y), 8.0f }, scale, col); + spos.x += float(vFontSpacing[c - 32].y) * scale.x; + } + } + } + + olc::vi2d PixelGameEngine::GetTextSize(const std::string& s) + { + olc::vi2d size = { 0,1 }; + olc::vi2d pos = { 0,1 }; + for (auto c : s) + { + if (c == '\n') { pos.y++; pos.x = 0; } + else pos.x++; + size.x = std::max(size.x, pos.x); + size.y = std::max(size.y, pos.y); + } + return size * 8; + } + + void PixelGameEngine::DrawString(const olc::vi2d& pos, const std::string& sText, Pixel col, uint32_t scale) + { + DrawString(pos.x, pos.y, sText, col, scale); + } + + void PixelGameEngine::DrawString(int32_t x, int32_t y, const std::string& sText, Pixel col, uint32_t scale) + { + int32_t sx = 0; + int32_t sy = 0; + Pixel::Mode m = nPixelMode; + // Thanks @tucna, spotted bug with col.ALPHA :P + if (m != Pixel::CUSTOM) // Thanks @Megarev, required for "shaders" + { + if (col.a != 255) SetPixelMode(Pixel::ALPHA); + else SetPixelMode(Pixel::MASK); + } + for (auto c : sText) + { + if (c == '\n') + { + sx = 0; sy += 8 * scale; + } + else + { + int32_t ox = (c - 32) % 16; + int32_t oy = (c - 32) / 16; + + if (scale > 1) + { + for (uint32_t i = 0; i < 8; i++) + for (uint32_t j = 0; j < 8; j++) + if (fontSprite->GetPixel(i + ox * 8, j + oy * 8).r > 0) + for (uint32_t is = 0; is < scale; is++) + for (uint32_t js = 0; js < scale; js++) + Draw(x + sx + (i * scale) + is, y + sy + (j * scale) + js, col); + } + else + { + for (uint32_t i = 0; i < 8; i++) + for (uint32_t j = 0; j < 8; j++) + if (fontSprite->GetPixel(i + ox * 8, j + oy * 8).r > 0) + Draw(x + sx + i, y + sy + j, col); + } + sx += 8 * scale; + } + } + SetPixelMode(m); + } + + olc::vi2d PixelGameEngine::GetTextSizeProp(const std::string& s) + { + olc::vi2d size = { 0,1 }; + olc::vi2d pos = { 0,1 }; + for (auto c : s) + { + if (c == '\n') { pos.y += 1; pos.x = 0; } + else pos.x += vFontSpacing[c - 32].y; + size.x = std::max(size.x, pos.x); + size.y = std::max(size.y, pos.y); + } + + size.y *= 8; + return size; + } + + void PixelGameEngine::DrawStringProp(const olc::vi2d& pos, const std::string& sText, Pixel col, uint32_t scale) + { + DrawStringProp(pos.x, pos.y, sText, col, scale); + } + + void PixelGameEngine::DrawStringProp(int32_t x, int32_t y, const std::string& sText, Pixel col, uint32_t scale) + { + int32_t sx = 0; + int32_t sy = 0; + Pixel::Mode m = nPixelMode; + + if (m != Pixel::CUSTOM) + { + if (col.a != 255) SetPixelMode(Pixel::ALPHA); + else SetPixelMode(Pixel::MASK); + } + for (auto c : sText) + { + if (c == '\n') + { + sx = 0; sy += 8 * scale; + } + else + { + int32_t ox = (c - 32) % 16; + int32_t oy = (c - 32) / 16; + + if (scale > 1) + { + for (int32_t i = 0; i < vFontSpacing[c - 32].y; i++) + for (int32_t j = 0; j < 8; j++) + if (fontSprite->GetPixel(i + ox * 8 + vFontSpacing[c - 32].x, j + oy * 8).r > 0) + for (int32_t is = 0; is < int(scale); is++) + for (int32_t js = 0; js < int(scale); js++) + Draw(x + sx + (i * scale) + is, y + sy + (j * scale) + js, col); + } + else + { + for (int32_t i = 0; i < vFontSpacing[c - 32].y; i++) + for (int32_t j = 0; j < 8; j++) + if (fontSprite->GetPixel(i + ox * 8 + vFontSpacing[c - 32].x, j + oy * 8).r > 0) + Draw(x + sx + i, y + sy + j, col); + } + sx += vFontSpacing[c - 32].y * scale; + } + } + SetPixelMode(m); + } + + void PixelGameEngine::SetPixelMode(Pixel::Mode m) + { + nPixelMode = m; + } + + Pixel::Mode PixelGameEngine::GetPixelMode() + { + return nPixelMode; + } + + void PixelGameEngine::SetPixelMode(std::function pixelMode) + { + funcPixelMode = pixelMode; + nPixelMode = Pixel::Mode::CUSTOM; + } + + void PixelGameEngine::SetPixelBlend(float fBlend) + { + fBlendFactor = fBlend; + if (fBlendFactor < 0.0f) fBlendFactor = 0.0f; + if (fBlendFactor > 1.0f) fBlendFactor = 1.0f; + } + + // User must override these functions as required. I have not made + // them abstract because I do need a default behaviour to occur if + // they are not overwritten + + bool PixelGameEngine::OnUserCreate() + { + return false; + } + + bool PixelGameEngine::OnUserUpdate(float fElapsedTime) + { + UNUSED(fElapsedTime); return false; + } + + bool PixelGameEngine::OnUserDestroy() + { + return true; + } + ////////////////////////////////////////////////////////////////// + + void PixelGameEngine::olc_UpdateViewport() + { + int32_t ww = vScreenSize.x * vPixelSize.x; + int32_t wh = vScreenSize.y * vPixelSize.y; + float wasp = (float)ww / (float)wh; + + if (bPixelCohesion) + { + vScreenPixelSize = (vWindowSize / vScreenSize); + vViewSize = (vWindowSize / vScreenSize) * vScreenSize; + } + else + { + vViewSize.x = (int32_t)vWindowSize.x; + vViewSize.y = (int32_t)((float)vViewSize.x / wasp); + + if (vViewSize.y > vWindowSize.y) + { + vViewSize.y = vWindowSize.y; + vViewSize.x = (int32_t)((float)vViewSize.y * wasp); + } + } + + vViewPos = (vWindowSize - vViewSize) / 2; + } + + void PixelGameEngine::olc_UpdateWindowSize(int32_t x, int32_t y) + { + vWindowSize = { x, y }; + olc_UpdateViewport(); + } + + void PixelGameEngine::olc_UpdateMouseWheel(int32_t delta) + { + nMouseWheelDeltaCache += delta; + } + + void PixelGameEngine::olc_UpdateMouse(int32_t x, int32_t y) + { + // Mouse coords come in screen space + // But leave in pixel space + bHasMouseFocus = true; + vMouseWindowPos = { x, y }; + // Full Screen mode may have a weird viewport we must clamp to + x -= vViewPos.x; + y -= vViewPos.y; + vMousePosCache.x = (int32_t)(((float)x / (float)(vWindowSize.x - (vViewPos.x * 2)) * (float)vScreenSize.x)); + vMousePosCache.y = (int32_t)(((float)y / (float)(vWindowSize.y - (vViewPos.y * 2)) * (float)vScreenSize.y)); + if (vMousePosCache.x >= (int32_t)vScreenSize.x) vMousePosCache.x = vScreenSize.x - 1; + if (vMousePosCache.y >= (int32_t)vScreenSize.y) vMousePosCache.y = vScreenSize.y - 1; + if (vMousePosCache.x < 0) vMousePosCache.x = 0; + if (vMousePosCache.y < 0) vMousePosCache.y = 0; + } + + void PixelGameEngine::olc_UpdateMouseState(int32_t button, bool state) + { + pMouseNewState[button] = state; + } + + void PixelGameEngine::olc_UpdateKeyState(int32_t key, bool state) + { + pKeyNewState[key] = state; + } + + void PixelGameEngine::olc_UpdateMouseFocus(bool state) + { + bHasMouseFocus = state; + } + + void PixelGameEngine::olc_UpdateKeyFocus(bool state) + { + bHasInputFocus = state; + } + + void PixelGameEngine::olc_Terminate() + { + bAtomActive = false; + } + + void PixelGameEngine::EngineThread() + { + // Allow platform to do stuff here if needed, since its now in the + // context of this thread + if (platform->ThreadStartUp() == olc::FAIL) return; + + // Do engine context specific initialisation + olc_PrepareEngine(); + + // Create user resources as part of this thread + for (auto& ext : vExtensions) ext->OnBeforeUserCreate(); + if (!OnUserCreate()) bAtomActive = false; + for (auto& ext : vExtensions) ext->OnAfterUserCreate(); + + while (bAtomActive) + { + // Run as fast as possible + while (bAtomActive) { olc_CoreUpdate(); } + + // Allow the user to free resources if they have overrided the destroy function + if (!OnUserDestroy()) + { + // User denied destroy for some reason, so continue running + bAtomActive = true; + } + } + + platform->ThreadCleanUp(); + } + + void PixelGameEngine::olc_PrepareEngine() + { + // Start OpenGL, the context is owned by the game thread + if (platform->CreateGraphics(bFullScreen, bEnableVSYNC, vViewPos, vViewSize) == olc::FAIL) return; + + // Construct default font sheet + olc_ConstructFontSheet(); + + // Create Primary Layer "0" + CreateLayer(); + vLayers[0].bUpdate = true; + vLayers[0].bShow = true; + SetDrawTarget(nullptr); + + m_tp1 = std::chrono::system_clock::now(); + m_tp2 = std::chrono::system_clock::now(); + } + + + void PixelGameEngine::olc_CoreUpdate() + { + // Handle Timing + m_tp2 = std::chrono::system_clock::now(); + std::chrono::duration elapsedTime = m_tp2 - m_tp1; + m_tp1 = m_tp2; + + // Our time per frame coefficient + float fElapsedTime = elapsedTime.count(); + fLastElapsed = fElapsedTime; + + // Some platforms will need to check for events + platform->HandleSystemEvent(); + + // Compare hardware input states from previous frame + auto ScanHardware = [&](HWButton* pKeys, bool* pStateOld, bool* pStateNew, uint32_t nKeyCount) + { + for (uint32_t i = 0; i < nKeyCount; i++) + { + pKeys[i].bPressed = false; + pKeys[i].bReleased = false; + if (pStateNew[i] != pStateOld[i]) + { + if (pStateNew[i]) + { + pKeys[i].bPressed = !pKeys[i].bHeld; + pKeys[i].bHeld = true; + } + else + { + pKeys[i].bReleased = true; + pKeys[i].bHeld = false; + } + } + pStateOld[i] = pStateNew[i]; + } + }; + + ScanHardware(pKeyboardState, pKeyOldState, pKeyNewState, 256); + ScanHardware(pMouseState, pMouseOldState, pMouseNewState, nMouseButtons); + + // Cache mouse coordinates so they remain consistent during frame + vMousePos = vMousePosCache; + nMouseWheelDelta = nMouseWheelDeltaCache; + nMouseWheelDeltaCache = 0; + + // renderer->ClearBuffer(olc::BLACK, true); + + // Handle Frame Update + for (auto& ext : vExtensions) ext->OnBeforeUserUpdate(fElapsedTime); + if (!OnUserUpdate(fElapsedTime)) bAtomActive = false; + for (auto& ext : vExtensions) ext->OnAfterUserUpdate(fElapsedTime); + + // Display Frame + renderer->UpdateViewport(vViewPos, vViewSize); + renderer->ClearBuffer(olc::BLACK, true); + + // Layer 0 must always exist + vLayers[0].bUpdate = true; + vLayers[0].bShow = true; + SetDecalMode(DecalMode::NORMAL); + renderer->PrepareDrawing(); + + for (auto layer = vLayers.rbegin(); layer != vLayers.rend(); ++layer) + { + if (layer->bShow) + { + if (layer->funcHook == nullptr) + { + renderer->ApplyTexture(layer->nResID); + if (layer->bUpdate) + { + renderer->UpdateTexture(layer->nResID, layer->pDrawTarget); + layer->bUpdate = false; + } + + renderer->DrawLayerQuad(layer->vOffset, layer->vScale, layer->tint); + + // Display Decals in order for this layer + for (auto& decal : layer->vecDecalInstance) + renderer->DrawDecal(decal); + layer->vecDecalInstance.clear(); + } + else + { + // Mwa ha ha.... Have Fun!!! + layer->funcHook(); + } + } + } + + // Present Graphics to screen + renderer->DisplayFrame(); + + // Update Title Bar + fFrameTimer += fElapsedTime; + nFrameCount++; + if (fFrameTimer >= 1.0f) + { + nLastFPS = nFrameCount; + fFrameTimer -= 1.0f; + std::string sTitle = "OneLoneCoder.com - Pixel Game Engine - " + sAppName + " - FPS: " + std::to_string(nFrameCount); + platform->SetWindowTitle(sTitle); + nFrameCount = 0; + } + } + + void PixelGameEngine::olc_ConstructFontSheet() + { + std::string data; + data += "?Q`0001oOch0o01o@F40o000000000"; + data += "O000000nOT0063Qo4d8>?7a14Gno94AA4gno94AaOT0>o3`oO400o7QN00000400"; + data += "Of80001oOg<7O7moBGT7O7lABET024@aBEd714AiOdl717a_=TH013Q>00000000"; + data += "720D000V?V5oB3Q_HdUoE7a9@DdDE4A9@DmoE4A;Hg]oM4Aj8S4D84@`00000000"; + data += "OaPT1000Oa`^13P1@AI[?g`1@A=[OdAoHgljA4Ao?WlBA7l1710007l100000000"; + data += "ObM6000oOfMV?3QoBDD`O7a0BDDH@5A0BDD<@5A0BGeVO5ao@CQR?5Po00000000"; + data += "Oc``000?Ogij70PO2D]??0Ph2DUM@7i`2DTg@7lh2GUj?0TO0C1870T?00000000"; + data += "70<4001o?P<7?1QoHg43O;`h@GT0@:@LB@d0>:@hN@L0@?aoN@<0O7ao0000?000"; + data += "OcH0001SOglLA7mg24TnK7ln24US>0PL24U140PnOgl0>7QgOcH0K71S0000A000"; + data += "00H00000@Dm1S007@DUSg00?OdTnH7YhOfTL<7Yh@Cl0700?@Ah0300700000000"; + data += "<008001QL00ZA41a@6HnI<1i@FHLM81M@@0LG81?O`0nC?Y7?`0ZA7Y300080000"; + data += "O`082000Oh0827mo6>Hn?Wmo?6HnMb11MP08@C11H`08@FP0@@0004@000000000"; + data += "00P00001Oab00003OcKP0006@6=PMgl<@440MglH@000000`@000001P00000000"; + data += "Ob@8@@00Ob@8@Ga13R@8Mga172@8?PAo3R@827QoOb@820@0O`0007`0000007P0"; + data += "O`000P08Od400g`<3V=P0G`673IP0`@3>1`00P@6O`P00g`SetPixel(px, py, olc::Pixel(k, k, k, k)); + if (++py == 48) { px++; py = 0; } + } + } + + fontDecal = new olc::Decal(fontSprite); + + constexpr std::array vSpacing = { { + 0x03,0x25,0x16,0x08,0x07,0x08,0x08,0x04,0x15,0x15,0x08,0x07,0x15,0x07,0x24,0x08, + 0x08,0x17,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x24,0x15,0x06,0x07,0x16,0x17, + 0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x17,0x08,0x08,0x17,0x08,0x08,0x08, + 0x08,0x08,0x08,0x08,0x17,0x08,0x08,0x08,0x08,0x17,0x08,0x15,0x08,0x15,0x08,0x08, + 0x24,0x18,0x17,0x17,0x17,0x17,0x17,0x17,0x17,0x33,0x17,0x17,0x33,0x18,0x17,0x17, + 0x17,0x17,0x17,0x17,0x07,0x17,0x17,0x18,0x18,0x17,0x17,0x07,0x33,0x07,0x08,0x00, } }; + + for (auto c : vSpacing) vFontSpacing.push_back({ c >> 4, c & 15 }); + + } + + void PixelGameEngine::pgex_Register(olc::PGEX* pgex) + { + if (std::find(vExtensions.begin(), vExtensions.end(), pgex) == vExtensions.end()) + vExtensions.push_back(pgex); + } + + + PGEX::PGEX(bool bHook) { if(bHook) pge->pgex_Register(this); } + void PGEX::OnBeforeUserCreate() {} + void PGEX::OnAfterUserCreate() {} + void PGEX::OnBeforeUserUpdate(float& fElapsedTime) {} + void PGEX::OnAfterUserUpdate(float fElapsedTime) {} + + // Need a couple of statics as these are singleton instances + // read from multiple locations + std::atomic PixelGameEngine::bAtomActive{ false }; + olc::PixelGameEngine* olc::PGEX::pge = nullptr; + olc::PixelGameEngine* olc::Platform::ptrPGE = nullptr; + olc::PixelGameEngine* olc::Renderer::ptrPGE = nullptr; + std::unique_ptr olc::Sprite::loader = nullptr; +}; + + + +// O------------------------------------------------------------------------------O +// | olcPixelGameEngine PLATFORM SPECIFIC IMPLEMENTATIONS | +// O------------------------------------------------------------------------------O + +// O------------------------------------------------------------------------------O +// | START RENDERER: OpenGL 1.0 (the original, the best...) | +// O------------------------------------------------------------------------------O +#if defined(OLC_GFX_OPENGL10) +#if defined(OLC_PLATFORM_WINAPI) +#include +#include + +#if !defined(__MINGW32__) +#pragma comment(lib, "Dwmapi.lib") +#endif +typedef BOOL(WINAPI wglSwapInterval_t) (int interval); +static wglSwapInterval_t* wglSwapInterval = nullptr; +typedef HDC glDeviceContext_t; +typedef HGLRC glRenderContext_t; +#endif + +#if defined(__linux__) || defined(__FreeBSD__) +#include +#endif + +#if defined(OLC_PLATFORM_X11) +namespace X11 +{ +#include +} + +typedef int(glSwapInterval_t)(X11::Display* dpy, X11::GLXDrawable drawable, int interval); +static glSwapInterval_t* glSwapIntervalEXT; +typedef X11::GLXContext glDeviceContext_t; +typedef X11::GLXContext glRenderContext_t; +#endif + +#if defined(__APPLE__) +#define GL_SILENCE_DEPRECATION +#include +#include +#include +#endif + +namespace olc +{ + class Renderer_OGL10 : public olc::Renderer + { + private: +#if defined(OLC_PLATFORM_GLUT) + bool mFullScreen = false; +#else + glDeviceContext_t glDeviceContext = 0; + glRenderContext_t glRenderContext = 0; +#endif + + bool bSync = false; + olc::DecalMode nDecalMode = olc::DecalMode(-1); // Thanks Gusgo & Bispoo + +#if defined(OLC_PLATFORM_X11) + X11::Display* olc_Display = nullptr; + X11::Window* olc_Window = nullptr; + X11::XVisualInfo* olc_VisualInfo = nullptr; +#endif + + public: + void PrepareDevice() override + { +#if defined(OLC_PLATFORM_GLUT) + //glutInit has to be called with main() arguments, make fake ones + int argc = 0; + char* argv[1] = { (char*)"" }; + glutInit(&argc, argv); + + glutInitWindowPosition(0, 0); + glutInitWindowSize(512, 512); + + glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH | GLUT_RGBA); + + // Creates the window and the OpenGL context for it + glutCreateWindow("OneLoneCoder.com - Pixel Game Engine"); + + glEnable(GL_TEXTURE_2D); // Turn on texturing + glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); +#endif + } + + olc::rcode CreateDevice(std::vector params, bool bFullScreen, bool bVSYNC) override + { +#if defined(OLC_PLATFORM_WINAPI) + // Create Device Context + glDeviceContext = GetDC((HWND)(params[0])); + PIXELFORMATDESCRIPTOR pfd = + { + sizeof(PIXELFORMATDESCRIPTOR), 1, + PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER, + PFD_TYPE_RGBA, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + PFD_MAIN_PLANE, 0, 0, 0, 0 + }; + + int pf = 0; + if (!(pf = ChoosePixelFormat(glDeviceContext, &pfd))) return olc::FAIL; + SetPixelFormat(glDeviceContext, pf, &pfd); + + if (!(glRenderContext = wglCreateContext(glDeviceContext))) return olc::FAIL; + wglMakeCurrent(glDeviceContext, glRenderContext); + + // Remove Frame cap + wglSwapInterval = (wglSwapInterval_t*)wglGetProcAddress("wglSwapIntervalEXT"); + if (wglSwapInterval && !bVSYNC) wglSwapInterval(0); + bSync = bVSYNC; +#endif + +#if defined(OLC_PLATFORM_X11) + using namespace X11; + // Linux has tighter coupling between OpenGL and X11, so we store + // various "platform" handles in the renderer + olc_Display = (X11::Display*)(params[0]); + olc_Window = (X11::Window*)(params[1]); + olc_VisualInfo = (X11::XVisualInfo*)(params[2]); + + glDeviceContext = glXCreateContext(olc_Display, olc_VisualInfo, nullptr, GL_TRUE); + glXMakeCurrent(olc_Display, *olc_Window, glDeviceContext); + + XWindowAttributes gwa; + XGetWindowAttributes(olc_Display, *olc_Window, &gwa); + glViewport(0, 0, gwa.width, gwa.height); + + glSwapIntervalEXT = nullptr; + glSwapIntervalEXT = (glSwapInterval_t*)glXGetProcAddress((unsigned char*)"glXSwapIntervalEXT"); + + if (glSwapIntervalEXT == nullptr && !bVSYNC) + { + printf("NOTE: Could not disable VSYNC, glXSwapIntervalEXT() was not found!\n"); + printf(" Don't worry though, things will still work, it's just the\n"); + printf(" frame rate will be capped to your monitors refresh rate - javidx9\n"); + } + + if (glSwapIntervalEXT != nullptr && !bVSYNC) + glSwapIntervalEXT(olc_Display, *olc_Window, 0); +#endif + +#if defined(OLC_PLATFORM_GLUT) + mFullScreen = bFullScreen; + if (!bVSYNC) + { +#if defined(__APPLE__) + GLint sync = 0; + CGLContextObj ctx = CGLGetCurrentContext(); + if (ctx) CGLSetParameter(ctx, kCGLCPSwapInterval, &sync); +#endif + } +#else + glEnable(GL_TEXTURE_2D); // Turn on texturing + glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); +#endif + return olc::rcode::OK; + } + + olc::rcode DestroyDevice() override + { +#if defined(OLC_PLATFORM_WINAPI) + wglDeleteContext(glRenderContext); +#endif + +#if defined(OLC_PLATFORM_X11) + glXMakeCurrent(olc_Display, None, NULL); + glXDestroyContext(olc_Display, glDeviceContext); +#endif + +#if defined(OLC_PLATFORM_GLUT) + glutDestroyWindow(glutGetWindow()); +#endif + return olc::rcode::OK; + } + + void DisplayFrame() override + { +#if defined(OLC_PLATFORM_WINAPI) + SwapBuffers(glDeviceContext); + if (bSync) DwmFlush(); // Woooohooooooo!!!! SMOOOOOOOTH! +#endif + +#if defined(OLC_PLATFORM_X11) + X11::glXSwapBuffers(olc_Display, *olc_Window); +#endif + +#if defined(OLC_PLATFORM_GLUT) + glutSwapBuffers(); +#endif + } + + void PrepareDrawing() override + { + glEnable(GL_BLEND); + nDecalMode = DecalMode::NORMAL; + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + } + + void SetDecalMode(const olc::DecalMode& mode) + { + if (mode != nDecalMode) + { + switch (mode) + { + case olc::DecalMode::NORMAL: + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + break; + case olc::DecalMode::ADDITIVE: + glBlendFunc(GL_SRC_ALPHA, GL_ONE); + break; + case olc::DecalMode::MULTIPLICATIVE: + glBlendFunc(GL_DST_COLOR, GL_ONE_MINUS_SRC_ALPHA); + break; + case olc::DecalMode::STENCIL: + glBlendFunc(GL_ZERO, GL_SRC_ALPHA); + break; + case olc::DecalMode::ILLUMINATE: + glBlendFunc(GL_ONE_MINUS_SRC_ALPHA, GL_SRC_ALPHA); + break; + case olc::DecalMode::WIREFRAME: + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + break; + } + + nDecalMode = mode; + } + } + + void DrawLayerQuad(const olc::vf2d& offset, const olc::vf2d& scale, const olc::Pixel tint) override + { + glBegin(GL_QUADS); + glColor4ub(tint.r, tint.g, tint.b, tint.a); + glTexCoord2f(0.0f * scale.x + offset.x, 1.0f * scale.y + offset.y); + glVertex3f(-1.0f /*+ vSubPixelOffset.x*/, -1.0f /*+ vSubPixelOffset.y*/, 0.0f); + glTexCoord2f(0.0f * scale.x + offset.x, 0.0f * scale.y + offset.y); + glVertex3f(-1.0f /*+ vSubPixelOffset.x*/, 1.0f /*+ vSubPixelOffset.y*/, 0.0f); + glTexCoord2f(1.0f * scale.x + offset.x, 0.0f * scale.y + offset.y); + glVertex3f(1.0f /*+ vSubPixelOffset.x*/, 1.0f /*+ vSubPixelOffset.y*/, 0.0f); + glTexCoord2f(1.0f * scale.x + offset.x, 1.0f * scale.y + offset.y); + glVertex3f(1.0f /*+ vSubPixelOffset.x*/, -1.0f /*+ vSubPixelOffset.y*/, 0.0f); + glEnd(); + } + + void DrawDecal(const olc::DecalInstance& decal) override + { + SetDecalMode(decal.mode); + + if (decal.decal == nullptr) + glBindTexture(GL_TEXTURE_2D, 0); + else + glBindTexture(GL_TEXTURE_2D, decal.decal->id); + + if (nDecalMode == DecalMode::WIREFRAME) + glBegin(GL_LINE_LOOP); + else + glBegin(GL_TRIANGLE_FAN); + + for (uint32_t n = 0; n < decal.points; n++) + { + glColor4ub(decal.tint[n].r, decal.tint[n].g, decal.tint[n].b, decal.tint[n].a); + glTexCoord4f(decal.uv[n].x, decal.uv[n].y, 0.0f, decal.w[n]); + glVertex2f(decal.pos[n].x, decal.pos[n].y); + } + glEnd(); + } + + uint32_t CreateTexture(const uint32_t width, const uint32_t height, const bool filtered) override + { + UNUSED(width); + UNUSED(height); + uint32_t id = 0; + glGenTextures(1, &id); + glBindTexture(GL_TEXTURE_2D, id); + if (filtered) + { + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + } + else + { + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + } + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP); + glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); + return id; + } + + uint32_t DeleteTexture(const uint32_t id) override + { + glDeleteTextures(1, &id); + return id; + } + + void UpdateTexture(uint32_t id, olc::Sprite* spr) override + { + UNUSED(id); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, spr->width, spr->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, spr->GetData()); + } + + void ReadTexture(uint32_t id, olc::Sprite* spr) override + { + glReadPixels(0, 0, spr->width, spr->height, GL_RGBA, GL_UNSIGNED_BYTE, spr->GetData()); + } + + void ApplyTexture(uint32_t id) override + { + glBindTexture(GL_TEXTURE_2D, id); + } + + void ClearBuffer(olc::Pixel p, bool bDepth) override + { + glClearColor(float(p.r) / 255.0f, float(p.g) / 255.0f, float(p.b) / 255.0f, float(p.a) / 255.0f); + glClear(GL_COLOR_BUFFER_BIT); + if (bDepth) glClear(GL_DEPTH_BUFFER_BIT); + } + + void UpdateViewport(const olc::vi2d& pos, const olc::vi2d& size) override + { +#if defined(OLC_PLATFORM_GLUT) + if (!mFullScreen) glutReshapeWindow(size.x, size.y); +#else + glViewport(pos.x, pos.y, size.x, size.y); +#endif + } + }; +} +#endif +// O------------------------------------------------------------------------------O +// | END RENDERER: OpenGL 1.0 (the original, the best...) | +// O------------------------------------------------------------------------------O + +// O------------------------------------------------------------------------------O +// | START RENDERER: OpenGL 3.3 (3.0 es) (sh-sh-sh-shaders....) | +// O------------------------------------------------------------------------------O +#if defined(OLC_GFX_OPENGL33) +#if defined(OLC_PLATFORM_WINAPI) +#include +#include + +#if !defined(__MINGW32__) +#pragma comment(lib, "Dwmapi.lib") +#endif +typedef void __stdcall locSwapInterval_t(GLsizei n); +typedef HDC glDeviceContext_t; +typedef HGLRC glRenderContext_t; +#define CALLSTYLE __stdcall +#define OGL_LOAD(t, n) (t*)wglGetProcAddress(n) +#endif + +#if defined(__linux__) || defined(__FreeBSD__) +#include +#endif + +#if defined(OLC_PLATFORM_X11) +namespace X11 +{ +#include +} +typedef int(locSwapInterval_t)(X11::Display* dpy, X11::GLXDrawable drawable, int interval); +typedef X11::GLXContext glDeviceContext_t; +typedef X11::GLXContext glRenderContext_t; +#define CALLSTYLE +#define OGL_LOAD(t, n) (t*)glXGetProcAddress((unsigned char*)n); +#endif + +#if defined(__APPLE__) +#define GL_SILENCE_DEPRECATION +#include +#include +#include +#endif + + +namespace olc +{ + typedef char GLchar; + typedef ptrdiff_t GLsizeiptr; + typedef GLuint CALLSTYLE locCreateShader_t(GLenum type); + typedef GLuint CALLSTYLE locCreateProgram_t(void); + typedef void CALLSTYLE locDeleteShader_t(GLuint shader); + typedef void CALLSTYLE locShaderSource_t(GLuint shader, GLsizei count, const GLchar** string, const GLint* length); + typedef void CALLSTYLE locCompileShader_t(GLuint shader); + typedef void CALLSTYLE locLinkProgram_t(GLuint program); + typedef void CALLSTYLE locDeleteProgram_t(GLuint program); + typedef void CALLSTYLE locAttachShader_t(GLuint program, GLuint shader); + typedef void CALLSTYLE locBindBuffer_t(GLenum target, GLuint buffer); + typedef void CALLSTYLE locBufferData_t(GLenum target, GLsizeiptr size, const void* data, GLenum usage); + typedef void CALLSTYLE locGenBuffers_t(GLsizei n, GLuint* buffers); + typedef void CALLSTYLE locVertexAttribPointer_t(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void* pointer); + typedef void CALLSTYLE locEnableVertexAttribArray_t(GLuint index); + typedef void CALLSTYLE locUseProgram_t(GLuint program); + typedef void CALLSTYLE locBindVertexArray_t(GLuint array); + typedef void CALLSTYLE locGenVertexArrays_t(GLsizei n, GLuint* arrays); + typedef void CALLSTYLE locGetShaderInfoLog_t(GLuint shader, GLsizei bufSize, GLsizei* length, GLchar* infoLog); + + + + constexpr size_t OLC_MAX_VERTS = 128; + + class Renderer_OGL33 : public olc::Renderer + { + private: +#if defined(OLC_PLATFORM_GLUT) + bool mFullScreen = false; +#else + glDeviceContext_t glDeviceContext = 0; + glRenderContext_t glRenderContext = 0; +#endif + + bool bSync = false; + olc::DecalMode nDecalMode = olc::DecalMode(-1); // Thanks Gusgo & Bispoo + +#if defined(OLC_PLATFORM_X11) + X11::Display* olc_Display = nullptr; + X11::Window* olc_Window = nullptr; + X11::XVisualInfo* olc_VisualInfo = nullptr; +#endif + + private: + locCreateShader_t* locCreateShader = nullptr; + locShaderSource_t* locShaderSource = nullptr; + locCompileShader_t* locCompileShader = nullptr; + locDeleteShader_t* locDeleteShader = nullptr; + locCreateProgram_t* locCreateProgram = nullptr; + locDeleteProgram_t* locDeleteProgram = nullptr; + locLinkProgram_t* locLinkProgram = nullptr; + locAttachShader_t* locAttachShader = nullptr; + locBindBuffer_t* locBindBuffer = nullptr; + locBufferData_t* locBufferData = nullptr; + locGenBuffers_t* locGenBuffers = nullptr; + locVertexAttribPointer_t* locVertexAttribPointer = nullptr; + locEnableVertexAttribArray_t* locEnableVertexAttribArray = nullptr; + locUseProgram_t* locUseProgram = nullptr; + locBindVertexArray_t* locBindVertexArray = nullptr; + locGenVertexArrays_t* locGenVertexArrays = nullptr; + locSwapInterval_t* locSwapInterval = nullptr; + locGetShaderInfoLog_t* locGetShaderInfoLog = nullptr; + + uint32_t m_nFS = 0; + uint32_t m_nVS = 0; + uint32_t m_nQuadShader = 0; + uint32_t m_vbQuad = 0; + uint32_t m_vaQuad = 0; + + struct locVertex + { + float pos[3]; + olc::vf2d tex; + olc::Pixel col; + }; + + locVertex pVertexMem[OLC_MAX_VERTS]; + + olc::Renderable rendBlankQuad; + + public: + void PrepareDevice() override + { +#if defined(OLC_PLATFORM_GLUT) + //glutInit has to be called with main() arguments, make fake ones + int argc = 0; + char* argv[1] = { (char*)"" }; + glutInit(&argc, argv); + + glutInitWindowPosition(0, 0); + glutInitWindowSize(512, 512); + + glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH | GLUT_RGBA); + + // Creates the window and the OpenGL context for it + glutCreateWindow("OneLoneCoder.com - Pixel Game Engine"); + + glEnable(GL_TEXTURE_2D); // Turn on texturing + glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); +#endif + } + + olc::rcode CreateDevice(std::vector params, bool bFullScreen, bool bVSYNC) override + { + // Create OpenGL Context + +#if defined(OLC_PLATFORM_WINAPI) + // Create Device Context + glDeviceContext = GetDC((HWND)(params[0])); + PIXELFORMATDESCRIPTOR pfd = + { + sizeof(PIXELFORMATDESCRIPTOR), 1, + PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER, + PFD_TYPE_RGBA, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + PFD_MAIN_PLANE, 0, 0, 0, 0 + }; + + int pf = 0; + if (!(pf = ChoosePixelFormat(glDeviceContext, &pfd))) return olc::FAIL; + SetPixelFormat(glDeviceContext, pf, &pfd); + + if (!(glRenderContext = wglCreateContext(glDeviceContext))) return olc::FAIL; + wglMakeCurrent(glDeviceContext, glRenderContext); + + // Set Vertical Sync + locSwapInterval = OGL_LOAD(locSwapInterval_t, "wglSwapIntervalEXT"); + if (locSwapInterval && !bVSYNC) locSwapInterval(0); + bSync = bVSYNC; +#endif + +#if defined(OLC_PLATFORM_X11) + using namespace X11; + // Linux has tighter coupling between OpenGL and X11, so we store + // various "platform" handles in the renderer + olc_Display = (X11::Display*)(params[0]); + olc_Window = (X11::Window*)(params[1]); + olc_VisualInfo = (X11::XVisualInfo*)(params[2]); + + glDeviceContext = glXCreateContext(olc_Display, olc_VisualInfo, nullptr, GL_TRUE); + glXMakeCurrent(olc_Display, *olc_Window, glDeviceContext); + + XWindowAttributes gwa; + XGetWindowAttributes(olc_Display, *olc_Window, &gwa); + glViewport(0, 0, gwa.width, gwa.height); + + locSwapInterval = OGL_LOAD(locSwapInterval_t, "glXSwapIntervalEXT"); + + if (locSwapInterval == nullptr && !bVSYNC) + { + printf("NOTE: Could not disable VSYNC, glXSwapIntervalEXT() was not found!\n"); + printf(" Don't worry though, things will still work, it's just the\n"); + printf(" frame rate will be capped to your monitors refresh rate - javidx9\n"); + } + + if (locSwapInterval != nullptr && !bVSYNC) + locSwapInterval(olc_Display, *olc_Window, 0); +#endif + +#if defined(OLC_PLATFORM_GLUT) + mFullScreen = bFullScreen; + if (!bVSYNC) + { +#if defined(__APPLE__) + GLint sync = 0; + CGLContextObj ctx = CGLGetCurrentContext(); + if (ctx) CGLSetParameter(ctx, kCGLCPSwapInterval, &sync); +#endif + } +#else + glEnable(GL_TEXTURE_2D); // Turn on texturing + glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); +#endif + // Load External OpenGL Functions + locCreateShader = OGL_LOAD(locCreateShader_t, "glCreateShader"); + locCompileShader = OGL_LOAD(locCompileShader_t, "glCompileShader"); + locShaderSource = OGL_LOAD(locShaderSource_t, "glShaderSource"); + locDeleteShader = OGL_LOAD(locDeleteShader_t, "glDeleteShader"); + locCreateProgram = OGL_LOAD(locCreateProgram_t, "glCreateProgram"); + locDeleteProgram = OGL_LOAD(locDeleteProgram_t, "glDeleteProgram"); + locLinkProgram = OGL_LOAD(locLinkProgram_t, "glLinkProgram"); + locAttachShader = OGL_LOAD(locAttachShader_t, "glAttachShader"); + locBindBuffer = OGL_LOAD(locBindBuffer_t, "glBindBuffer"); + locBufferData = OGL_LOAD(locBufferData_t, "glBufferData"); + locGenBuffers = OGL_LOAD(locGenBuffers_t, "glGenBuffers"); + locVertexAttribPointer = OGL_LOAD(locVertexAttribPointer_t, "glVertexAttribPointer"); + locEnableVertexAttribArray = OGL_LOAD(locEnableVertexAttribArray_t, "glEnableVertexAttribArray"); + locUseProgram = OGL_LOAD(locUseProgram_t, "glUseProgram"); + locBindVertexArray = OGL_LOAD(locBindVertexArray_t, "glBindVertexArray"); + locGenVertexArrays = OGL_LOAD(locGenVertexArrays_t, "glGenVertexArrays"); + locGetShaderInfoLog = OGL_LOAD(locGetShaderInfoLog_t, "glGetShaderInfoLog"); + + // Load & Compile Quad Shader - assumes no errors + m_nFS = locCreateShader(0x8B30); + const GLchar* strFS = +#if defined(__arm__) + "#version 300 es\n" + "precision mediump float;" +#else + "#version 330 core\n" +#endif + "out vec4 pixel;\n""in vec2 oTex;\n" + "in vec4 oCol;\n""uniform sampler2D sprTex;\n""void main(){pixel = texture(sprTex, oTex) * oCol;}"; + locShaderSource(m_nFS, 1, &strFS, NULL); + locCompileShader(m_nFS); + + m_nVS = locCreateShader(0x8B31); + const GLchar* strVS = +#if defined(__arm__) + "#version 300 es\n" + "precision mediump float;" +#else + "#version 330 core\n" +#endif + "layout(location = 0) in vec3 aPos;\n""layout(location = 1) in vec2 aTex;\n" + "layout(location = 2) in vec4 aCol;\n""out vec2 oTex;\n""out vec4 oCol;\n" + "void main(){ float p = 1.0 / aPos.z; gl_Position = p * vec4(aPos.x, aPos.y, 0.0, 1.0); oTex = p * aTex; oCol = aCol;}"; + locShaderSource(m_nVS, 1, &strVS, NULL); + locCompileShader(m_nVS); + + m_nQuadShader = locCreateProgram(); + locAttachShader(m_nQuadShader, m_nFS); + locAttachShader(m_nQuadShader, m_nVS); + locLinkProgram(m_nQuadShader); + + // Create Quad + locGenBuffers(1, &m_vbQuad); + locGenVertexArrays(1, &m_vaQuad); + locBindVertexArray(m_vaQuad); + locBindBuffer(0x8892, m_vbQuad); + + locVertex verts[OLC_MAX_VERTS]; + locBufferData(0x8892, sizeof(locVertex) * OLC_MAX_VERTS, verts, 0x88E0); + locVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(locVertex), 0); locEnableVertexAttribArray(0); + locVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, sizeof(locVertex), (void*)(3 * sizeof(float))); locEnableVertexAttribArray(1); + locVertexAttribPointer(2, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(locVertex), (void*)(5 * sizeof(float))); locEnableVertexAttribArray(2); + locBindBuffer(0x8892, 0); + locBindVertexArray(0); + + // Create blank texture for spriteless decals + rendBlankQuad.Create(1, 1); + rendBlankQuad.Sprite()->GetData()[0] = olc::WHITE; + rendBlankQuad.Decal()->Update(); + return olc::rcode::OK; + } + + olc::rcode DestroyDevice() override + { +#if defined(OLC_PLATFORM_WINAPI) + wglDeleteContext(glRenderContext); +#endif + +#if defined(OLC_PLATFORM_X11) + glXMakeCurrent(olc_Display, None, NULL); + glXDestroyContext(olc_Display, glDeviceContext); +#endif + +#if defined(OLC_PLATFORM_GLUT) + glutDestroyWindow(glutGetWindow()); +#endif + return olc::rcode::OK; + } + + void DisplayFrame() override + { +#if defined(OLC_PLATFORM_WINAPI) + SwapBuffers(glDeviceContext); + if (bSync) DwmFlush(); // Woooohooooooo!!!! SMOOOOOOOTH! +#endif + +#if defined(OLC_PLATFORM_X11) + X11::glXSwapBuffers(olc_Display, *olc_Window); +#endif + +#if defined(OLC_PLATFORM_GLUT) + glutSwapBuffers(); +#endif + } + + void PrepareDrawing() override + { + glEnable(GL_BLEND); + nDecalMode = DecalMode::NORMAL; + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + locUseProgram(m_nQuadShader); + locBindVertexArray(m_vaQuad); + } + + void SetDecalMode(const olc::DecalMode& mode) + { + if (mode != nDecalMode) + { + switch (mode) + { + case olc::DecalMode::NORMAL: glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); break; + case olc::DecalMode::ADDITIVE: glBlendFunc(GL_SRC_ALPHA, GL_ONE); break; + case olc::DecalMode::MULTIPLICATIVE: glBlendFunc(GL_DST_COLOR, GL_ONE_MINUS_SRC_ALPHA); break; + case olc::DecalMode::STENCIL: glBlendFunc(GL_ZERO, GL_SRC_ALPHA); break; + case olc::DecalMode::ILLUMINATE: glBlendFunc(GL_ONE_MINUS_SRC_ALPHA, GL_SRC_ALPHA); break; + case olc::DecalMode::WIREFRAME: glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); break; + } + + nDecalMode = mode; + } + } + + void DrawLayerQuad(const olc::vf2d& offset, const olc::vf2d& scale, const olc::Pixel tint) override + { + locBindBuffer(0x8892, m_vbQuad); + locVertex verts[4] = { + {{-1.0f, -1.0f, 1.0}, {0.0f * scale.x + offset.x, 1.0f * scale.y + offset.y}, tint}, + {{+1.0f, -1.0f, 1.0}, {1.0f * scale.x + offset.x, 1.0f * scale.y + offset.y}, tint}, + {{-1.0f, +1.0f, 1.0}, {0.0f * scale.x + offset.x, 0.0f * scale.y + offset.y}, tint}, + {{+1.0f, +1.0f, 1.0}, {1.0f * scale.x + offset.x, 0.0f * scale.y + offset.y}, tint}, + }; + + locBufferData(0x8892, sizeof(locVertex) * 4, verts, 0x88E0); + glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); + } + + void DrawDecal(const olc::DecalInstance& decal) override + { + SetDecalMode(decal.mode); + if (decal.decal == nullptr) + glBindTexture(GL_TEXTURE_2D, rendBlankQuad.Decal()->id); + else + glBindTexture(GL_TEXTURE_2D, decal.decal->id); + + locBindBuffer(0x8892, m_vbQuad); + + for (uint32_t i = 0; i < decal.points; i++) + pVertexMem[i] = { { decal.pos[i].x, decal.pos[i].y, decal.w[i] }, { decal.uv[i].x, decal.uv[i].y }, decal.tint[i] }; + + locBufferData(0x8892, sizeof(locVertex) * decal.points, pVertexMem, 0x88E0); + + if (nDecalMode == DecalMode::WIREFRAME) + glDrawArrays(GL_LINE_LOOP, 0, decal.points); + else + glDrawArrays(GL_TRIANGLE_FAN, 0, decal.points); + } + + uint32_t CreateTexture(const uint32_t width, const uint32_t height, const bool filtered) override + { + UNUSED(width); + UNUSED(height); + uint32_t id = 0; + glGenTextures(1, &id); + glBindTexture(GL_TEXTURE_2D, id); + + if (filtered) + { + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + } + else + { + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + } + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP); + glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); + return id; + } + + uint32_t DeleteTexture(const uint32_t id) override + { + glDeleteTextures(1, &id); + return id; + } + + void UpdateTexture(uint32_t id, olc::Sprite* spr) override + { + UNUSED(id); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, spr->width, spr->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, spr->GetData()); + } + + void ReadTexture(uint32_t id, olc::Sprite* spr) override + { + glReadPixels(0, 0, spr->width, spr->height, GL_RGBA, GL_UNSIGNED_BYTE, spr->GetData()); + } + + void ApplyTexture(uint32_t id) override + { + glBindTexture(GL_TEXTURE_2D, id); + } + + void ClearBuffer(olc::Pixel p, bool bDepth) override + { + glClearColor(float(p.r) / 255.0f, float(p.g) / 255.0f, float(p.b) / 255.0f, float(p.a) / 255.0f); + glClear(GL_COLOR_BUFFER_BIT); + if (bDepth) glClear(GL_DEPTH_BUFFER_BIT); + } + + void UpdateViewport(const olc::vi2d& pos, const olc::vi2d& size) override + { +#if defined(OLC_PLATFORM_GLUT) + if (!mFullScreen) glutReshapeWindow(size.x, size.y); +#else + glViewport(pos.x, pos.y, size.x, size.y); +#endif + } + }; +} +#endif +// O------------------------------------------------------------------------------O +// | END RENDERER: OpenGL 3.3 (3.0 es) (sh-sh-sh-shaders....) | +// O------------------------------------------------------------------------------O + +// O------------------------------------------------------------------------------O +// | START IMAGE LOADER: GDI+, Windows Only, always exists, a little slow | +// O------------------------------------------------------------------------------O +#if defined(OLC_IMAGE_GDI) + +#define min(a, b) ((a < b) ? a : b) +#define max(a, b) ((a > b) ? a : b) +#include +#include +#if defined(__MINGW32__) // Thanks Gusgo & Dandistine, but c'mon mingw!! wtf?! +#include +#else +#include +#endif +#include +#undef min +#undef max + +#if !defined(__MINGW32__) +#pragma comment(lib, "gdiplus.lib") +#pragma comment(lib, "Shlwapi.lib") +#endif + +namespace olc +{ + // Thanks @MaGetzUb for this, which allows sprites to be defined + // at construction, by initialising the GDI subsystem + static class GDIPlusStartup + { + public: + GDIPlusStartup() + { + Gdiplus::GdiplusStartupInput startupInput; + GdiplusStartup(&token, &startupInput, NULL); + } + + ULONG_PTR token; + + ~GDIPlusStartup() + { + // Well, MarcusTU thought this was important :D + Gdiplus::GdiplusShutdown(token); + } + } gdistartup; + + class ImageLoader_GDIPlus : public olc::ImageLoader + { + private: + std::wstring ConvertS2W(std::string s) + { +#ifdef __MINGW32__ + wchar_t* buffer = new wchar_t[s.length() + 1]; + mbstowcs(buffer, s.c_str(), s.length()); + buffer[s.length()] = L'\0'; +#else + int count = MultiByteToWideChar(CP_UTF8, 0, s.c_str(), -1, NULL, 0); + wchar_t* buffer = new wchar_t[count]; + MultiByteToWideChar(CP_UTF8, 0, s.c_str(), -1, buffer, count); +#endif + std::wstring w(buffer); + delete[] buffer; + return w; + } + + public: + ImageLoader_GDIPlus() : ImageLoader() + {} + + olc::rcode LoadImageResource(olc::Sprite* spr, const std::string& sImageFile, olc::ResourcePack* pack) override + { + // clear out existing sprite + if (spr->pColData != nullptr) delete[] spr->pColData; + + // Open file + UNUSED(pack); + Gdiplus::Bitmap* bmp = nullptr; + if (pack != nullptr) + { + // Load sprite from input stream + ResourceBuffer rb = pack->GetFileBuffer(sImageFile); + bmp = Gdiplus::Bitmap::FromStream(SHCreateMemStream((BYTE*)rb.vMemory.data(), UINT(rb.vMemory.size()))); + } + else + { + // Check file exists + if (!_gfs::exists(sImageFile)) return olc::rcode::NO_FILE; + + // Load sprite from file + bmp = Gdiplus::Bitmap::FromFile(ConvertS2W(sImageFile).c_str()); + } + + if (bmp->GetLastStatus() != Gdiplus::Ok) return olc::rcode::FAIL; + spr->width = bmp->GetWidth(); + spr->height = bmp->GetHeight(); + spr->pColData = new Pixel[spr->width * spr->height]; + + for (int y = 0; y < spr->height; y++) + for (int x = 0; x < spr->width; x++) + { + Gdiplus::Color c; + bmp->GetPixel(x, y, &c); + spr->SetPixel(x, y, olc::Pixel(c.GetRed(), c.GetGreen(), c.GetBlue(), c.GetAlpha())); + } + delete bmp; + return olc::rcode::OK; + } + + olc::rcode SaveImageResource(olc::Sprite* spr, const std::string& sImageFile) override + { + return olc::rcode::OK; + } + }; +} +#endif +// O------------------------------------------------------------------------------O +// | END IMAGE LOADER: GDI+ | +// O------------------------------------------------------------------------------O + + + + +// O------------------------------------------------------------------------------O +// | START IMAGE LOADER: libpng, default on linux, requires -lpng (libpng-dev) | +// O------------------------------------------------------------------------------O +#if defined(OLC_IMAGE_LIBPNG) +#include +namespace olc +{ + void pngReadStream(png_structp pngPtr, png_bytep data, png_size_t length) + { + png_voidp a = png_get_io_ptr(pngPtr); + ((std::istream*)a)->read((char*)data, length); + } + + class ImageLoader_LibPNG : public olc::ImageLoader + { + public: + ImageLoader_LibPNG() : ImageLoader() + {} + + olc::rcode LoadImageResource(olc::Sprite* spr, const std::string& sImageFile, olc::ResourcePack* pack) override + { + UNUSED(pack); + + // clear out existing sprite + if (spr->pColData != nullptr) delete[] spr->pColData; + + //////////////////////////////////////////////////////////////////////////// + // Use libpng, Thanks to Guillaume Cottenceau + // https://gist.github.com/niw/5963798 + // Also reading png from streams + // http://www.piko3d.net/tutorials/libpng-tutorial-loading-png-files-from-streams/ + png_structp png; + png_infop info; + + auto loadPNG = [&]() + { + png_read_info(png, info); + png_byte color_type; + png_byte bit_depth; + png_bytep* row_pointers; + spr->width = png_get_image_width(png, info); + spr->height = png_get_image_height(png, info); + color_type = png_get_color_type(png, info); + bit_depth = png_get_bit_depth(png, info); + if (bit_depth == 16) png_set_strip_16(png); + if (color_type == PNG_COLOR_TYPE_PALETTE) png_set_palette_to_rgb(png); + if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8) png_set_expand_gray_1_2_4_to_8(png); + if (png_get_valid(png, info, PNG_INFO_tRNS)) png_set_tRNS_to_alpha(png); + if (color_type == PNG_COLOR_TYPE_RGB || color_type == PNG_COLOR_TYPE_GRAY || color_type == PNG_COLOR_TYPE_PALETTE) + png_set_filler(png, 0xFF, PNG_FILLER_AFTER); + if (color_type == PNG_COLOR_TYPE_GRAY || color_type == PNG_COLOR_TYPE_GRAY_ALPHA) + png_set_gray_to_rgb(png); + png_read_update_info(png, info); + row_pointers = (png_bytep*)malloc(sizeof(png_bytep) * spr->height); + for (int y = 0; y < spr->height; y++) { + row_pointers[y] = (png_byte*)malloc(png_get_rowbytes(png, info)); + } + png_read_image(png, row_pointers); + //////////////////////////////////////////////////////////////////////////// + // Create sprite array + spr->pColData = new Pixel[spr->width * spr->height]; + // Iterate through image rows, converting into sprite format + for (int y = 0; y < spr->height; y++) + { + png_bytep row = row_pointers[y]; + for (int x = 0; x < spr->width; x++) + { + png_bytep px = &(row[x * 4]); + spr->SetPixel(x, y, Pixel(px[0], px[1], px[2], px[3])); + } + } + + for (int y = 0; y < spr->height; y++) // Thanks maksym33 + free(row_pointers[y]); + free(row_pointers); + png_destroy_read_struct(&png, &info, nullptr); + }; + + png = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); + if (!png) goto fail_load; + + info = png_create_info_struct(png); + if (!info) goto fail_load; + + if (setjmp(png_jmpbuf(png))) goto fail_load; + + if (pack == nullptr) + { + FILE* f = fopen(sImageFile.c_str(), "rb"); + if (!f) return olc::rcode::NO_FILE; + png_init_io(png, f); + loadPNG(); + fclose(f); + } + else + { + ResourceBuffer rb = pack->GetFileBuffer(sImageFile); + std::istream is(&rb); + png_set_read_fn(png, (png_voidp)&is, pngReadStream); + loadPNG(); + } + + return olc::rcode::OK; + + fail_load: + spr->width = 0; + spr->height = 0; + spr->pColData = nullptr; + return olc::rcode::FAIL; + } + + olc::rcode SaveImageResource(olc::Sprite* spr, const std::string& sImageFile) override + { + return olc::rcode::OK; + } + }; +} +#endif +// O------------------------------------------------------------------------------O +// | END IMAGE LOADER: | +// O------------------------------------------------------------------------------O + + + + +// O------------------------------------------------------------------------------O +// | START IMAGE LOADER: stb_image.h, all systems, very fast | +// O------------------------------------------------------------------------------O +// Thanks to Sean Barrett - https://github.com/nothings/stb/blob/master/stb_image.h +// MIT License - Copyright(c) 2017 Sean Barrett + +// Note you need to download the above file into your project folder, and +// #define OLC_IMAGE_STB +// #define OLC_PGE_APPLICATION +// #include "olcPixelGameEngine.h" + +#if defined(OLC_IMAGE_STB) +#define STB_IMAGE_IMPLEMENTATION +#include "stb_image.h" +namespace olc +{ + class ImageLoader_STB : public olc::ImageLoader + { + public: + ImageLoader_STB() : ImageLoader() + {} + + olc::rcode LoadImageResource(olc::Sprite* spr, const std::string& sImageFile, olc::ResourcePack* pack) override + { + UNUSED(pack); + // clear out existing sprite + if (spr->pColData != nullptr) delete[] spr->pColData; + // Open file + stbi_uc* bytes = nullptr; + int w = 0, h = 0, cmp = 0; + if (pack != nullptr) + { + ResourceBuffer rb = pack->GetFileBuffer(sImageFile); + bytes = stbi_load_from_memory((unsigned char*)rb.vMemory.data(), rb.vMemory.size(), &w, &h, &cmp, 4); + } + else + { + // Check file exists + if (!_gfs::exists(sImageFile)) return olc::rcode::NO_FILE; + bytes = stbi_load(sImageFile.c_str(), &w, &h, &cmp, 4); + } + + if (!bytes) return olc::rcode::FAIL; + spr->width = w; spr->height = h; + spr->pColData = new Pixel[spr->width * spr->height]; + std::memcpy(spr->pColData, bytes, spr->width * spr->height * 4); + delete[] bytes; + return olc::rcode::OK; + } + + olc::rcode SaveImageResource(olc::Sprite* spr, const std::string& sImageFile) override + { + return olc::rcode::OK; + } + }; +} +#endif +// O------------------------------------------------------------------------------O +// | START IMAGE LOADER: stb_image.h | +// O------------------------------------------------------------------------------O + + +// O------------------------------------------------------------------------------O +// | START PLATFORM: MICROSOFT WINDOWS XP, VISTA, 7, 8, 10 | +// O------------------------------------------------------------------------------O +#if defined(OLC_PLATFORM_WINAPI) + +#if defined(_WIN32) && !defined(__MINGW32__) +#pragma comment(lib, "user32.lib") // Visual Studio Only +#pragma comment(lib, "gdi32.lib") // For other Windows Compilers please add +#pragma comment(lib, "opengl32.lib") // these libs to your linker input +#endif + +namespace olc +{ + class Platform_Windows : public olc::Platform + { + private: + HWND olc_hWnd = nullptr; + std::wstring wsAppName; + + std::wstring ConvertS2W(std::string s) + { +#ifdef __MINGW32__ + wchar_t* buffer = new wchar_t[s.length() + 1]; + mbstowcs(buffer, s.c_str(), s.length()); + buffer[s.length()] = L'\0'; +#else + int count = MultiByteToWideChar(CP_UTF8, 0, s.c_str(), -1, NULL, 0); + wchar_t* buffer = new wchar_t[count]; + MultiByteToWideChar(CP_UTF8, 0, s.c_str(), -1, buffer, count); +#endif + std::wstring w(buffer); + delete[] buffer; + return w; + } + + public: + virtual olc::rcode ApplicationStartUp() override { return olc::rcode::OK; } + virtual olc::rcode ApplicationCleanUp() override { return olc::rcode::OK; } + virtual olc::rcode ThreadStartUp() override { return olc::rcode::OK; } + + virtual olc::rcode ThreadCleanUp() override + { + renderer->DestroyDevice(); + PostMessage(olc_hWnd, WM_DESTROY, 0, 0); + return olc::OK; + } + + virtual olc::rcode CreateGraphics(bool bFullScreen, bool bEnableVSYNC, const olc::vi2d& vViewPos, const olc::vi2d& vViewSize) override + { + if (renderer->CreateDevice({ olc_hWnd }, bFullScreen, bEnableVSYNC) == olc::rcode::OK) + { + renderer->UpdateViewport(vViewPos, vViewSize); + return olc::rcode::OK; + } + else + return olc::rcode::FAIL; + } + + virtual olc::rcode CreateWindowPane(const olc::vi2d& vWindowPos, olc::vi2d& vWindowSize, bool bFullScreen) override + { + WNDCLASS wc; + wc.hIcon = LoadIcon(NULL, IDI_APPLICATION); + wc.hCursor = LoadCursor(NULL, IDC_ARROW); + wc.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC; + wc.hInstance = GetModuleHandle(nullptr); + wc.lpfnWndProc = olc_WindowEvent; + wc.cbClsExtra = 0; + wc.cbWndExtra = 0; + wc.lpszMenuName = nullptr; + wc.hbrBackground = nullptr; + wc.lpszClassName = olcT("OLC_PIXEL_GAME_ENGINE"); + RegisterClass(&wc); + + // Define window furniture + DWORD dwExStyle = WS_EX_APPWINDOW | WS_EX_WINDOWEDGE; + DWORD dwStyle = WS_CAPTION | WS_SYSMENU | WS_VISIBLE | WS_THICKFRAME; + + olc::vi2d vTopLeft = vWindowPos; + + // Handle Fullscreen + if (bFullScreen) + { + dwExStyle = 0; + dwStyle = WS_VISIBLE | WS_POPUP; + HMONITOR hmon = MonitorFromWindow(olc_hWnd, MONITOR_DEFAULTTONEAREST); + MONITORINFO mi = { sizeof(mi) }; + if (!GetMonitorInfo(hmon, &mi)) return olc::rcode::FAIL; + vWindowSize = { mi.rcMonitor.right, mi.rcMonitor.bottom }; + vTopLeft.x = 0; + vTopLeft.y = 0; + } + + // Keep client size as requested + RECT rWndRect = { 0, 0, vWindowSize.x, vWindowSize.y }; + AdjustWindowRectEx(&rWndRect, dwStyle, FALSE, dwExStyle); + int width = rWndRect.right - rWndRect.left; + int height = rWndRect.bottom - rWndRect.top; + + olc_hWnd = CreateWindowEx(dwExStyle, olcT("OLC_PIXEL_GAME_ENGINE"), olcT(""), dwStyle, + vTopLeft.x, vTopLeft.y, width, height, NULL, NULL, GetModuleHandle(nullptr), this); + + // Create Keyboard Mapping + mapKeys[0x00] = Key::NONE; + mapKeys[0x41] = Key::A; mapKeys[0x42] = Key::B; mapKeys[0x43] = Key::C; mapKeys[0x44] = Key::D; mapKeys[0x45] = Key::E; + mapKeys[0x46] = Key::F; mapKeys[0x47] = Key::G; mapKeys[0x48] = Key::H; mapKeys[0x49] = Key::I; mapKeys[0x4A] = Key::J; + mapKeys[0x4B] = Key::K; mapKeys[0x4C] = Key::L; mapKeys[0x4D] = Key::M; mapKeys[0x4E] = Key::N; mapKeys[0x4F] = Key::O; + mapKeys[0x50] = Key::P; mapKeys[0x51] = Key::Q; mapKeys[0x52] = Key::R; mapKeys[0x53] = Key::S; mapKeys[0x54] = Key::T; + mapKeys[0x55] = Key::U; mapKeys[0x56] = Key::V; mapKeys[0x57] = Key::W; mapKeys[0x58] = Key::X; mapKeys[0x59] = Key::Y; + mapKeys[0x5A] = Key::Z; + + mapKeys[VK_F1] = Key::F1; mapKeys[VK_F2] = Key::F2; mapKeys[VK_F3] = Key::F3; mapKeys[VK_F4] = Key::F4; + mapKeys[VK_F5] = Key::F5; mapKeys[VK_F6] = Key::F6; mapKeys[VK_F7] = Key::F7; mapKeys[VK_F8] = Key::F8; + mapKeys[VK_F9] = Key::F9; mapKeys[VK_F10] = Key::F10; mapKeys[VK_F11] = Key::F11; mapKeys[VK_F12] = Key::F12; + + mapKeys[VK_DOWN] = Key::DOWN; mapKeys[VK_LEFT] = Key::LEFT; mapKeys[VK_RIGHT] = Key::RIGHT; mapKeys[VK_UP] = Key::UP; + mapKeys[VK_RETURN] = Key::ENTER; //mapKeys[VK_RETURN] = Key::RETURN; + + mapKeys[VK_BACK] = Key::BACK; mapKeys[VK_ESCAPE] = Key::ESCAPE; mapKeys[VK_RETURN] = Key::ENTER; mapKeys[VK_PAUSE] = Key::PAUSE; + mapKeys[VK_SCROLL] = Key::SCROLL; mapKeys[VK_TAB] = Key::TAB; mapKeys[VK_DELETE] = Key::DEL; mapKeys[VK_HOME] = Key::HOME; + mapKeys[VK_END] = Key::END; mapKeys[VK_PRIOR] = Key::PGUP; mapKeys[VK_NEXT] = Key::PGDN; mapKeys[VK_INSERT] = Key::INS; + mapKeys[VK_SHIFT] = Key::SHIFT; mapKeys[VK_CONTROL] = Key::CTRL; + mapKeys[VK_SPACE] = Key::SPACE; + + mapKeys[0x30] = Key::K0; mapKeys[0x31] = Key::K1; mapKeys[0x32] = Key::K2; mapKeys[0x33] = Key::K3; mapKeys[0x34] = Key::K4; + mapKeys[0x35] = Key::K5; mapKeys[0x36] = Key::K6; mapKeys[0x37] = Key::K7; mapKeys[0x38] = Key::K8; mapKeys[0x39] = Key::K9; + + mapKeys[VK_NUMPAD0] = Key::NP0; mapKeys[VK_NUMPAD1] = Key::NP1; mapKeys[VK_NUMPAD2] = Key::NP2; mapKeys[VK_NUMPAD3] = Key::NP3; mapKeys[VK_NUMPAD4] = Key::NP4; + mapKeys[VK_NUMPAD5] = Key::NP5; mapKeys[VK_NUMPAD6] = Key::NP6; mapKeys[VK_NUMPAD7] = Key::NP7; mapKeys[VK_NUMPAD8] = Key::NP8; mapKeys[VK_NUMPAD9] = Key::NP9; + mapKeys[VK_MULTIPLY] = Key::NP_MUL; mapKeys[VK_ADD] = Key::NP_ADD; mapKeys[VK_DIVIDE] = Key::NP_DIV; mapKeys[VK_SUBTRACT] = Key::NP_SUB; mapKeys[VK_DECIMAL] = Key::NP_DECIMAL; + + // Thanks scripticuk + mapKeys[VK_OEM_1] = Key::OEM_1; // On US and UK keyboards this is the ';:' key + mapKeys[VK_OEM_2] = Key::OEM_2; // On US and UK keyboards this is the '/?' key + mapKeys[VK_OEM_3] = Key::OEM_3; // On US keyboard this is the '~' key + mapKeys[VK_OEM_4] = Key::OEM_4; // On US and UK keyboards this is the '[{' key + mapKeys[VK_OEM_5] = Key::OEM_5; // On US keyboard this is '\|' key. + mapKeys[VK_OEM_6] = Key::OEM_6; // On US and UK keyboards this is the ']}' key + mapKeys[VK_OEM_7] = Key::OEM_7; // On US keyboard this is the single/double quote key. On UK, this is the single quote/@ symbol key + mapKeys[VK_OEM_8] = Key::OEM_8; // miscellaneous characters. Varies by keyboard + mapKeys[VK_OEM_PLUS] = Key::EQUALS; // the '+' key on any keyboard + mapKeys[VK_OEM_COMMA] = Key::COMMA; // the comma key on any keyboard + mapKeys[VK_OEM_MINUS] = Key::MINUS; // the minus key on any keyboard + mapKeys[VK_OEM_PERIOD] = Key::PERIOD; // the period key on any keyboard + mapKeys[VK_CAPITAL] = Key::CAPS_LOCK; + return olc::OK; + } + + virtual olc::rcode SetWindowTitle(const std::string& s) override + { +#ifdef UNICODE + SetWindowText(olc_hWnd, ConvertS2W(s).c_str()); +#else + SetWindowText(olc_hWnd, s.c_str()); +#endif + return olc::OK; + } + + virtual olc::rcode StartSystemEventLoop() override + { + MSG msg; + while (GetMessage(&msg, NULL, 0, 0) > 0) + { + TranslateMessage(&msg); + DispatchMessage(&msg); + } + return olc::OK; + } + + virtual olc::rcode HandleSystemEvent() override { return olc::rcode::FAIL; } + + // Windows Event Handler - this is statically connected to the windows event system + static LRESULT CALLBACK olc_WindowEvent(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) + { + switch (uMsg) + { + case WM_MOUSEMOVE: + { + // Thanks @ForAbby (Discord) + uint16_t x = lParam & 0xFFFF; uint16_t y = (lParam >> 16) & 0xFFFF; + int16_t ix = *(int16_t*)&x; int16_t iy = *(int16_t*)&y; + ptrPGE->olc_UpdateMouse(ix, iy); + return 0; + } + case WM_SIZE: ptrPGE->olc_UpdateWindowSize(lParam & 0xFFFF, (lParam >> 16) & 0xFFFF); return 0; + case WM_MOUSEWHEEL: ptrPGE->olc_UpdateMouseWheel(GET_WHEEL_DELTA_WPARAM(wParam)); return 0; + case WM_MOUSELEAVE: ptrPGE->olc_UpdateMouseFocus(false); return 0; + case WM_SETFOCUS: ptrPGE->olc_UpdateKeyFocus(true); return 0; + case WM_KILLFOCUS: ptrPGE->olc_UpdateKeyFocus(false); return 0; + case WM_KEYDOWN: ptrPGE->olc_UpdateKeyState(mapKeys[wParam], true); return 0; + case WM_KEYUP: ptrPGE->olc_UpdateKeyState(mapKeys[wParam], false); return 0; + case WM_SYSKEYDOWN: ptrPGE->olc_UpdateKeyState(mapKeys[wParam], true); return 0; + case WM_SYSKEYUP: ptrPGE->olc_UpdateKeyState(mapKeys[wParam], false); return 0; + case WM_LBUTTONDOWN:ptrPGE->olc_UpdateMouseState(0, true); return 0; + case WM_LBUTTONUP: ptrPGE->olc_UpdateMouseState(0, false); return 0; + case WM_RBUTTONDOWN:ptrPGE->olc_UpdateMouseState(1, true); return 0; + case WM_RBUTTONUP: ptrPGE->olc_UpdateMouseState(1, false); return 0; + case WM_MBUTTONDOWN:ptrPGE->olc_UpdateMouseState(2, true); return 0; + case WM_MBUTTONUP: ptrPGE->olc_UpdateMouseState(2, false); return 0; + case WM_CLOSE: ptrPGE->olc_Terminate(); return 0; + case WM_DESTROY: PostQuitMessage(0); DestroyWindow(hWnd); return 0; + } + return DefWindowProc(hWnd, uMsg, wParam, lParam); + } + }; +} +#endif +// O------------------------------------------------------------------------------O +// | END PLATFORM: MICROSOFT WINDOWS XP, VISTA, 7, 8, 10 | +// O------------------------------------------------------------------------------O + + + + + +// O------------------------------------------------------------------------------O +// | START PLATFORM: LINUX | +// O------------------------------------------------------------------------------O +#if defined(OLC_PLATFORM_X11) +namespace olc +{ + class Platform_Linux : public olc::Platform + { + private: + X11::Display* olc_Display = nullptr; + X11::Window olc_WindowRoot; + X11::Window olc_Window; + X11::XVisualInfo* olc_VisualInfo; + X11::Colormap olc_ColourMap; + X11::XSetWindowAttributes olc_SetWindowAttribs; + + public: + virtual olc::rcode ApplicationStartUp() override + { + return olc::rcode::OK; + } + + virtual olc::rcode ApplicationCleanUp() override + { + XDestroyWindow(olc_Display, olc_Window); + return olc::rcode::OK; + } + + virtual olc::rcode ThreadStartUp() override + { + return olc::rcode::OK; + } + + virtual olc::rcode ThreadCleanUp() override + { + renderer->DestroyDevice(); + return olc::OK; + } + + virtual olc::rcode CreateGraphics(bool bFullScreen, bool bEnableVSYNC, const olc::vi2d& vViewPos, const olc::vi2d& vViewSize) override + { + if (renderer->CreateDevice({ olc_Display, &olc_Window, olc_VisualInfo }, bFullScreen, bEnableVSYNC) == olc::rcode::OK) + { + renderer->UpdateViewport(vViewPos, vViewSize); + return olc::rcode::OK; + } + else + return olc::rcode::FAIL; + } + + virtual olc::rcode CreateWindowPane(const olc::vi2d& vWindowPos, olc::vi2d& vWindowSize, bool bFullScreen) override + { + using namespace X11; + XInitThreads(); + + // Grab the deafult display and window + olc_Display = XOpenDisplay(NULL); + olc_WindowRoot = DefaultRootWindow(olc_Display); + + // Based on the display capabilities, configure the appearance of the window + GLint olc_GLAttribs[] = { GLX_RGBA, GLX_DEPTH_SIZE, 24, GLX_DOUBLEBUFFER, None }; + olc_VisualInfo = glXChooseVisual(olc_Display, 0, olc_GLAttribs); + olc_ColourMap = XCreateColormap(olc_Display, olc_WindowRoot, olc_VisualInfo->visual, AllocNone); + olc_SetWindowAttribs.colormap = olc_ColourMap; + + // Register which events we are interested in receiving + olc_SetWindowAttribs.event_mask = ExposureMask | KeyPressMask | KeyReleaseMask | + ButtonPressMask | ButtonReleaseMask | PointerMotionMask | FocusChangeMask | StructureNotifyMask; + + // Create the window + olc_Window = XCreateWindow(olc_Display, olc_WindowRoot, vWindowPos.x, vWindowPos.y, + vWindowSize.x, vWindowSize.y, + 0, olc_VisualInfo->depth, InputOutput, olc_VisualInfo->visual, + CWColormap | CWEventMask, &olc_SetWindowAttribs); + + Atom wmDelete = XInternAtom(olc_Display, "WM_DELETE_WINDOW", true); + XSetWMProtocols(olc_Display, olc_Window, &wmDelete, 1); + + XMapWindow(olc_Display, olc_Window); + XStoreName(olc_Display, olc_Window, "OneLoneCoder.com - Pixel Game Engine"); + + if (bFullScreen) // Thanks DragonEye, again :D + { + Atom wm_state; + Atom fullscreen; + wm_state = XInternAtom(olc_Display, "_NET_WM_STATE", False); + fullscreen = XInternAtom(olc_Display, "_NET_WM_STATE_FULLSCREEN", False); + XEvent xev{ 0 }; + xev.type = ClientMessage; + xev.xclient.window = olc_Window; + xev.xclient.message_type = wm_state; + xev.xclient.format = 32; + xev.xclient.data.l[0] = (bFullScreen ? 1 : 0); // the action (0: off, 1: on, 2: toggle) + xev.xclient.data.l[1] = fullscreen; // first property to alter + xev.xclient.data.l[2] = 0; // second property to alter + xev.xclient.data.l[3] = 0; // source indication + XMapWindow(olc_Display, olc_Window); + XSendEvent(olc_Display, DefaultRootWindow(olc_Display), False, + SubstructureRedirectMask | SubstructureNotifyMask, &xev); + XFlush(olc_Display); + XWindowAttributes gwa; + XGetWindowAttributes(olc_Display, olc_Window, &gwa); + vWindowSize.x = gwa.width; + vWindowSize.y = gwa.height; + } + + // Create Keyboard Mapping + mapKeys[0x00] = Key::NONE; + mapKeys[0x61] = Key::A; mapKeys[0x62] = Key::B; mapKeys[0x63] = Key::C; mapKeys[0x64] = Key::D; mapKeys[0x65] = Key::E; + mapKeys[0x66] = Key::F; mapKeys[0x67] = Key::G; mapKeys[0x68] = Key::H; mapKeys[0x69] = Key::I; mapKeys[0x6A] = Key::J; + mapKeys[0x6B] = Key::K; mapKeys[0x6C] = Key::L; mapKeys[0x6D] = Key::M; mapKeys[0x6E] = Key::N; mapKeys[0x6F] = Key::O; + mapKeys[0x70] = Key::P; mapKeys[0x71] = Key::Q; mapKeys[0x72] = Key::R; mapKeys[0x73] = Key::S; mapKeys[0x74] = Key::T; + mapKeys[0x75] = Key::U; mapKeys[0x76] = Key::V; mapKeys[0x77] = Key::W; mapKeys[0x78] = Key::X; mapKeys[0x79] = Key::Y; + mapKeys[0x7A] = Key::Z; + + mapKeys[XK_F1] = Key::F1; mapKeys[XK_F2] = Key::F2; mapKeys[XK_F3] = Key::F3; mapKeys[XK_F4] = Key::F4; + mapKeys[XK_F5] = Key::F5; mapKeys[XK_F6] = Key::F6; mapKeys[XK_F7] = Key::F7; mapKeys[XK_F8] = Key::F8; + mapKeys[XK_F9] = Key::F9; mapKeys[XK_F10] = Key::F10; mapKeys[XK_F11] = Key::F11; mapKeys[XK_F12] = Key::F12; + + mapKeys[XK_Down] = Key::DOWN; mapKeys[XK_Left] = Key::LEFT; mapKeys[XK_Right] = Key::RIGHT; mapKeys[XK_Up] = Key::UP; + mapKeys[XK_KP_Enter] = Key::ENTER; mapKeys[XK_Return] = Key::ENTER; + + mapKeys[XK_BackSpace] = Key::BACK; mapKeys[XK_Escape] = Key::ESCAPE; mapKeys[XK_Linefeed] = Key::ENTER; mapKeys[XK_Pause] = Key::PAUSE; + mapKeys[XK_Scroll_Lock] = Key::SCROLL; mapKeys[XK_Tab] = Key::TAB; mapKeys[XK_Delete] = Key::DEL; mapKeys[XK_Home] = Key::HOME; + mapKeys[XK_End] = Key::END; mapKeys[XK_Page_Up] = Key::PGUP; mapKeys[XK_Page_Down] = Key::PGDN; mapKeys[XK_Insert] = Key::INS; + mapKeys[XK_Shift_L] = Key::SHIFT; mapKeys[XK_Shift_R] = Key::SHIFT; mapKeys[XK_Control_L] = Key::CTRL; mapKeys[XK_Control_R] = Key::CTRL; + mapKeys[XK_space] = Key::SPACE; mapKeys[XK_period] = Key::PERIOD; + + mapKeys[XK_0] = Key::K0; mapKeys[XK_1] = Key::K1; mapKeys[XK_2] = Key::K2; mapKeys[XK_3] = Key::K3; mapKeys[XK_4] = Key::K4; + mapKeys[XK_5] = Key::K5; mapKeys[XK_6] = Key::K6; mapKeys[XK_7] = Key::K7; mapKeys[XK_8] = Key::K8; mapKeys[XK_9] = Key::K9; + + mapKeys[XK_KP_0] = Key::NP0; mapKeys[XK_KP_1] = Key::NP1; mapKeys[XK_KP_2] = Key::NP2; mapKeys[XK_KP_3] = Key::NP3; mapKeys[XK_KP_4] = Key::NP4; + mapKeys[XK_KP_5] = Key::NP5; mapKeys[XK_KP_6] = Key::NP6; mapKeys[XK_KP_7] = Key::NP7; mapKeys[XK_KP_8] = Key::NP8; mapKeys[XK_KP_9] = Key::NP9; + mapKeys[XK_KP_Multiply] = Key::NP_MUL; mapKeys[XK_KP_Add] = Key::NP_ADD; mapKeys[XK_KP_Divide] = Key::NP_DIV; mapKeys[XK_KP_Subtract] = Key::NP_SUB; mapKeys[XK_KP_Decimal] = Key::NP_DECIMAL; + + // These keys vary depending on the keyboard. I've included comments for US and UK keyboard layouts + mapKeys[XK_semicolon] = Key::OEM_1; // On US and UK keyboards this is the ';:' key + mapKeys[XK_slash] = Key::OEM_2; // On US and UK keyboards this is the '/?' key + mapKeys[XK_asciitilde] = Key::OEM_3; // On US keyboard this is the '~' key + mapKeys[XK_bracketleft] = Key::OEM_4; // On US and UK keyboards this is the '[{' key + mapKeys[XK_backslash] = Key::OEM_5; // On US keyboard this is '\|' key. + mapKeys[XK_bracketright] = Key::OEM_6; // On US and UK keyboards this is the ']}' key + mapKeys[XK_apostrophe] = Key::OEM_7; // On US keyboard this is the single/double quote key. On UK, this is the single quote/@ symbol key + mapKeys[XK_numbersign] = Key::OEM_8; // miscellaneous characters. Varies by keyboard. I believe this to be the '#~' key on UK keyboards + mapKeys[XK_equal] = Key::EQUALS; // the '+' key on any keyboard + mapKeys[XK_comma] = Key::COMMA; // the comma key on any keyboard + mapKeys[XK_minus] = Key::MINUS; // the minus key on any keyboard + + mapKeys[XK_Caps_Lock] = Key::CAPS_LOCK; + + return olc::OK; + } + + virtual olc::rcode SetWindowTitle(const std::string& s) override + { + X11::XStoreName(olc_Display, olc_Window, s.c_str()); + return olc::OK; + } + + virtual olc::rcode StartSystemEventLoop() override + { + return olc::OK; + } + + virtual olc::rcode HandleSystemEvent() override + { + using namespace X11; + // Handle Xlib Message Loop - we do this in the + // same thread that OpenGL was created so we dont + // need to worry too much about multithreading with X11 + XEvent xev; + while (XPending(olc_Display)) + { + XNextEvent(olc_Display, &xev); + if (xev.type == Expose) + { + XWindowAttributes gwa; + XGetWindowAttributes(olc_Display, olc_Window, &gwa); + ptrPGE->olc_UpdateWindowSize(gwa.width, gwa.height); + } + else if (xev.type == ConfigureNotify) + { + XConfigureEvent xce = xev.xconfigure; + ptrPGE->olc_UpdateWindowSize(xce.width, xce.height); + } + else if (xev.type == KeyPress) + { + KeySym sym = XLookupKeysym(&xev.xkey, 0); + ptrPGE->olc_UpdateKeyState(mapKeys[sym], true); + XKeyEvent* e = (XKeyEvent*)&xev; // Because DragonEye loves numpads + XLookupString(e, NULL, 0, &sym, NULL); + ptrPGE->olc_UpdateKeyState(mapKeys[sym], true); + } + else if (xev.type == KeyRelease) + { + KeySym sym = XLookupKeysym(&xev.xkey, 0); + ptrPGE->olc_UpdateKeyState(mapKeys[sym], false); + XKeyEvent* e = (XKeyEvent*)&xev; + XLookupString(e, NULL, 0, &sym, NULL); + ptrPGE->olc_UpdateKeyState(mapKeys[sym], false); + } + else if (xev.type == ButtonPress) + { + switch (xev.xbutton.button) + { + case 1: ptrPGE->olc_UpdateMouseState(0, true); break; + case 2: ptrPGE->olc_UpdateMouseState(2, true); break; + case 3: ptrPGE->olc_UpdateMouseState(1, true); break; + case 4: ptrPGE->olc_UpdateMouseWheel(120); break; + case 5: ptrPGE->olc_UpdateMouseWheel(-120); break; + default: break; + } + } + else if (xev.type == ButtonRelease) + { + switch (xev.xbutton.button) + { + case 1: ptrPGE->olc_UpdateMouseState(0, false); break; + case 2: ptrPGE->olc_UpdateMouseState(2, false); break; + case 3: ptrPGE->olc_UpdateMouseState(1, false); break; + default: break; + } + } + else if (xev.type == MotionNotify) + { + ptrPGE->olc_UpdateMouse(xev.xmotion.x, xev.xmotion.y); + } + else if (xev.type == FocusIn) + { + ptrPGE->olc_UpdateKeyFocus(true); + } + else if (xev.type == FocusOut) + { + ptrPGE->olc_UpdateKeyFocus(false); + } + else if (xev.type == ClientMessage) + { + ptrPGE->olc_Terminate(); + } + } + return olc::OK; + } + }; +} +#endif +// O------------------------------------------------------------------------------O +// | END PLATFORM: LINUX | +// O------------------------------------------------------------------------------O + + + + +// O------------------------------------------------------------------------------O +// | START PLATFORM: GLUT (used to make it simple for Apple) | +// O------------------------------------------------------------------------------O +// +// VERY IMPORTANT!!! The Apple port was originally created by @Mumflr (discord) +// and the repo for the development of this project can be found here: +// https://github.com/MumflrFumperdink/olcPGEMac which contains maccy goodness +// and support on how to setup your build environment. +// +// "MASSIVE MASSIVE THANKS TO MUMFLR" - Javidx9 +#if defined(OLC_PLATFORM_GLUT) +namespace olc { + + class Platform_GLUT : public olc::Platform + { + public: + static std::atomic* bActiveRef; + + virtual olc::rcode ApplicationStartUp() override { + return olc::rcode::OK; + } + + virtual olc::rcode ApplicationCleanUp() override + { + return olc::rcode::OK; + } + + virtual olc::rcode ThreadStartUp() override + { + return olc::rcode::OK; + } + + virtual olc::rcode ThreadCleanUp() override + { + renderer->DestroyDevice(); + return olc::OK; + } + + virtual olc::rcode CreateGraphics(bool bFullScreen, bool bEnableVSYNC, const olc::vi2d& vViewPos, const olc::vi2d& vViewSize) override + { + if (renderer->CreateDevice({}, bFullScreen, bEnableVSYNC) == olc::rcode::OK) + { + renderer->UpdateViewport(vViewPos, vViewSize); + return olc::rcode::OK; + } + else + return olc::rcode::FAIL; + } + + static void ExitMainLoop() { + if (!ptrPGE->OnUserDestroy()) { + *bActiveRef = true; + return; + } + platform->ThreadCleanUp(); + platform->ApplicationCleanUp(); + exit(0); + } + + static void ThreadFunct() { + if (!*bActiveRef) { + ExitMainLoop(); + return; + } + glutPostRedisplay(); + } + + static void DrawFunct() { + ptrPGE->olc_CoreUpdate(); + } + + virtual olc::rcode CreateWindowPane(const olc::vi2d& vWindowPos, olc::vi2d& vWindowSize, bool bFullScreen) override + { + renderer->PrepareDevice(); + + + if (bFullScreen) + { + vWindowSize.x = glutGet(GLUT_SCREEN_WIDTH); + vWindowSize.y = glutGet(GLUT_SCREEN_HEIGHT); + glutFullScreen(); + } + + if (vWindowSize.x > glutGet(GLUT_SCREEN_WIDTH) || vWindowSize.y > glutGet(GLUT_SCREEN_HEIGHT)) { + perror("ERROR: The specified window dimensions do not fit on your screen\n"); + return olc::FAIL; + } + + // Create Keyboard Mapping + mapKeys[0x00] = Key::NONE; + mapKeys['A'] = Key::A; mapKeys['B'] = Key::B; mapKeys['C'] = Key::C; mapKeys['D'] = Key::D; mapKeys['E'] = Key::E; + mapKeys['F'] = Key::F; mapKeys['G'] = Key::G; mapKeys['H'] = Key::H; mapKeys['I'] = Key::I; mapKeys['J'] = Key::J; + mapKeys['K'] = Key::K; mapKeys['L'] = Key::L; mapKeys['M'] = Key::M; mapKeys['N'] = Key::N; mapKeys['O'] = Key::O; + mapKeys['P'] = Key::P; mapKeys['Q'] = Key::Q; mapKeys['R'] = Key::R; mapKeys['S'] = Key::S; mapKeys['T'] = Key::T; + mapKeys['U'] = Key::U; mapKeys['V'] = Key::V; mapKeys['W'] = Key::W; mapKeys['X'] = Key::X; mapKeys['Y'] = Key::Y; + mapKeys['Z'] = Key::Z; + + mapKeys[GLUT_KEY_F1] = Key::F1; mapKeys[GLUT_KEY_F2] = Key::F2; mapKeys[GLUT_KEY_F3] = Key::F3; mapKeys[GLUT_KEY_F4] = Key::F4; + mapKeys[GLUT_KEY_F5] = Key::F5; mapKeys[GLUT_KEY_F6] = Key::F6; mapKeys[GLUT_KEY_F7] = Key::F7; mapKeys[GLUT_KEY_F8] = Key::F8; + mapKeys[GLUT_KEY_F9] = Key::F9; mapKeys[GLUT_KEY_F10] = Key::F10; mapKeys[GLUT_KEY_F11] = Key::F11; mapKeys[GLUT_KEY_F12] = Key::F12; + + mapKeys[GLUT_KEY_DOWN] = Key::DOWN; mapKeys[GLUT_KEY_LEFT] = Key::LEFT; mapKeys[GLUT_KEY_RIGHT] = Key::RIGHT; mapKeys[GLUT_KEY_UP] = Key::UP; + mapKeys[13] = Key::ENTER; + + mapKeys[127] = Key::BACK; mapKeys[27] = Key::ESCAPE; + mapKeys[9] = Key::TAB; mapKeys[GLUT_KEY_HOME] = Key::HOME; + mapKeys[GLUT_KEY_END] = Key::END; mapKeys[GLUT_KEY_PAGE_UP] = Key::PGUP; mapKeys[GLUT_KEY_PAGE_DOWN] = Key::PGDN; mapKeys[GLUT_KEY_INSERT] = Key::INS; + mapKeys[32] = Key::SPACE; mapKeys[46] = Key::PERIOD; + + mapKeys[48] = Key::K0; mapKeys[49] = Key::K1; mapKeys[50] = Key::K2; mapKeys[51] = Key::K3; mapKeys[52] = Key::K4; + mapKeys[53] = Key::K5; mapKeys[54] = Key::K6; mapKeys[55] = Key::K7; mapKeys[56] = Key::K8; mapKeys[57] = Key::K9; + + // NOTE: MISSING KEYS :O + + glutKeyboardFunc([](unsigned char key, int x, int y) -> void { + switch (glutGetModifiers()) { + case 0: //This is when there are no modifiers + if ('a' <= key && key <= 'z') key -= 32; + break; + case GLUT_ACTIVE_SHIFT: + ptrPGE->olc_UpdateKeyState(Key::SHIFT, true); + break; + case GLUT_ACTIVE_CTRL: + if ('a' <= key && key <= 'z') key -= 32; + ptrPGE->olc_UpdateKeyState(Key::CTRL, true); + break; + case GLUT_ACTIVE_ALT: + if ('a' <= key && key <= 'z') key -= 32; + break; + } + + if (mapKeys[key]) + ptrPGE->olc_UpdateKeyState(mapKeys[key], true); + }); + + glutKeyboardUpFunc([](unsigned char key, int x, int y) -> void { + switch (glutGetModifiers()) { + case 0: //This is when there are no modifiers + if ('a' <= key && key <= 'z') key -= 32; + break; + case GLUT_ACTIVE_SHIFT: + ptrPGE->olc_UpdateKeyState(Key::SHIFT, false); + break; + case GLUT_ACTIVE_CTRL: + if ('a' <= key && key <= 'z') key -= 32; + ptrPGE->olc_UpdateKeyState(Key::CTRL, false); + break; + case GLUT_ACTIVE_ALT: + if ('a' <= key && key <= 'z') key -= 32; + //No ALT in PGE + break; + } + + if (mapKeys[key]) + ptrPGE->olc_UpdateKeyState(mapKeys[key], false); + }); + + //Special keys + glutSpecialFunc([](int key, int x, int y) -> void { + if (mapKeys[key]) + ptrPGE->olc_UpdateKeyState(mapKeys[key], true); + }); + + glutSpecialUpFunc([](int key, int x, int y) -> void { + if (mapKeys[key]) + ptrPGE->olc_UpdateKeyState(mapKeys[key], false); + }); + + glutMouseFunc([](int button, int state, int x, int y) -> void { + switch (button) { + case GLUT_LEFT_BUTTON: + if (state == GLUT_UP) ptrPGE->olc_UpdateMouseState(0, false); + else if (state == GLUT_DOWN) ptrPGE->olc_UpdateMouseState(0, true); + break; + case GLUT_MIDDLE_BUTTON: + if (state == GLUT_UP) ptrPGE->olc_UpdateMouseState(2, false); + else if (state == GLUT_DOWN) ptrPGE->olc_UpdateMouseState(2, true); + break; + case GLUT_RIGHT_BUTTON: + if (state == GLUT_UP) ptrPGE->olc_UpdateMouseState(1, false); + else if (state == GLUT_DOWN) ptrPGE->olc_UpdateMouseState(1, true); + break; + } + }); + + auto mouseMoveCall = [](int x, int y) -> void { + ptrPGE->olc_UpdateMouse(x, y); + }; + + glutMotionFunc(mouseMoveCall); + glutPassiveMotionFunc(mouseMoveCall); + + glutEntryFunc([](int state) -> void { + if (state == GLUT_ENTERED) ptrPGE->olc_UpdateKeyFocus(true); + else if (state == GLUT_LEFT) ptrPGE->olc_UpdateKeyFocus(false); + }); + + glutDisplayFunc(DrawFunct); + glutIdleFunc(ThreadFunct); + + return olc::OK; + } + + virtual olc::rcode SetWindowTitle(const std::string& s) override + { + glutSetWindowTitle(s.c_str()); + return olc::OK; + } + + virtual olc::rcode StartSystemEventLoop() override { + glutMainLoop(); + return olc::OK; + } + + virtual olc::rcode HandleSystemEvent() override + { + return olc::OK; + } + }; + + std::atomic* Platform_GLUT::bActiveRef{ nullptr }; + + //Custom Start + olc::rcode PixelGameEngine::Start() + { + if (platform->ApplicationStartUp() != olc::OK) return olc::FAIL; + + // Construct the window + if (platform->CreateWindowPane({ 30,30 }, vWindowSize, bFullScreen) != olc::OK) return olc::FAIL; + olc_UpdateWindowSize(vWindowSize.x, vWindowSize.y); + + + if (platform->ThreadStartUp() == olc::FAIL) return olc::FAIL; + + olc_PrepareEngine(); + + if (!OnUserCreate()) return olc::FAIL; + + Platform_GLUT::bActiveRef = &bAtomActive; + + glutWMCloseFunc(Platform_GLUT::ExitMainLoop); + + bAtomActive = true; + + platform->StartSystemEventLoop(); + + //This code will not even be run but why not + if (platform->ApplicationCleanUp() != olc::OK) return olc::FAIL; + + return olc::OK; + } +} + +#endif +// O------------------------------------------------------------------------------O +// | END PLATFORM: GLUT | +// O------------------------------------------------------------------------------O + + + +namespace olc +{ + void PixelGameEngine::olc_ConfigureSystem() + { + +#if defined(OLC_IMAGE_GDI) + olc::Sprite::loader = std::make_unique(); +#endif + +#if defined(OLC_IMAGE_LIBPNG) + olc::Sprite::loader = std::make_unique(); +#endif + +#if defined(OLC_IMAGE_STB) + olc::Sprite::loader = std::make_unique(); +#endif + + + + +#if defined(OLC_PLATFORM_WINAPI) + platform = std::make_unique(); +#endif + +#if defined(OLC_PLATFORM_X11) + platform = std::make_unique(); +#endif + +#if defined(OLC_PLATFORM_GLUT) + platform = std::make_unique(); +#endif + + + +#if defined(OLC_GFX_OPENGL10) + renderer = std::make_unique(); +#endif + +#if defined(OLC_GFX_OPENGL33) + renderer = std::make_unique(); +#endif + +#if defined(OLC_GFX_OPENGLES2) + renderer = std::make_unique(); +#endif + +#if defined(OLC_GFX_DIRECTX10) + renderer = std::make_unique(); +#endif + +#if defined(OLC_GFX_DIRECTX11) + renderer = std::make_unique(); +#endif + + // Associate components with PGE instance + platform->ptrPGE = this; + renderer->ptrPGE = this; + } +} + +#endif // End olc namespace + +// O------------------------------------------------------------------------------O +// | END OF OLC_PGE_APPLICATION | +// O------------------------------------------------------------------------------O + diff --git a/src/perlin.h b/src/perlin.h new file mode 100644 index 0000000..af85725 --- /dev/null +++ b/src/perlin.h @@ -0,0 +1,407 @@ +//---------------------------------------------------------------------------------------- +// +// siv::PerlinNoise +// Perlin noise library for modern C++ +// +// Copyright (C) 2013-2020 Ryo Suzuki +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files(the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and / or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions : +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// +//---------------------------------------------------------------------------------------- + +# pragma once +# include +# include +# include +# ifdef __cpp_concepts +# if __has_include() +# include +# endif +# endif +# include +# include +# include +# include + +namespace siv +{ +# ifdef __cpp_lib_concepts + template +# else + template +# endif + class BasicPerlinNoise + { + public: + + using value_type = Float; + + private: + + std::uint8_t p[512]; + + [[nodiscard]] + static constexpr value_type Fade(value_type t) noexcept + { + return t * t * t * (t * (t * 6 - 15) + 10); + } + + [[nodiscard]] + static constexpr value_type Lerp(value_type t, value_type a, value_type b) noexcept + { + return a + t * (b - a); + } + + [[nodiscard]] + static constexpr value_type Grad(std::uint8_t hash, value_type x, value_type y, value_type z) noexcept + { + const std::uint8_t h = hash & 15; + const value_type u = h < 8 ? x : y; + const value_type v = h < 4 ? y : h == 12 || h == 14 ? x : z; + return ((h & 1) == 0 ? u : -u) + ((h & 2) == 0 ? v : -v); + } + + [[nodiscard]] + static constexpr value_type Weight(std::int32_t octaves) noexcept + { + value_type amp = 1; + value_type value = 0; + + for (std::int32_t i = 0; i < octaves; ++i) + { + value += amp; + amp /= 2; + } + + return value; + } + + public: + + # if __has_cpp_attribute(nodiscard) >= 201907L + [[nodiscard]] + # endif + explicit BasicPerlinNoise(std::uint32_t seed = std::default_random_engine::default_seed) + { + reseed(seed); + } + + # ifdef __cpp_lib_concepts + template + # else + template >* = nullptr> + # endif + # if __has_cpp_attribute(nodiscard) >= 201907L + [[nodiscard]] + # endif + explicit BasicPerlinNoise(URNG&& urng) + { + reseed(std::forward(urng)); + } + + void reseed(std::uint32_t seed) + { + for (size_t i = 0; i < 256; ++i) + { + p[i] = static_cast(i); + } + + std::shuffle(std::begin(p), std::begin(p) + 256, std::default_random_engine(seed)); + + for (size_t i = 0; i < 256; ++i) + { + p[256 + i] = p[i]; + } + } + + # ifdef __cpp_lib_concepts + template + # else + template >* = nullptr> + # endif + void reseed(URNG&& urng) + { + for (size_t i = 0; i < 256; ++i) + { + p[i] = static_cast(i); + } + + std::shuffle(std::begin(p), std::begin(p) + 256, std::forward(urng)); + + for (size_t i = 0; i < 256; ++i) + { + p[256 + i] = p[i]; + } + } + + /////////////////////////////////////// + // + // Noise [-1, 1] + // + [[nodiscard]] + value_type noise1D(value_type x) const noexcept + { + return noise3D(x, 0, 0); + } + + [[nodiscard]] + value_type noise2D(value_type x, value_type y) const noexcept + { + return noise3D(x, y, 0); + } + + [[nodiscard]] + value_type noise3D(value_type x, value_type y, value_type z) const noexcept + { + const std::int32_t X = static_cast(std::floor(x)) & 255; + const std::int32_t Y = static_cast(std::floor(y)) & 255; + const std::int32_t Z = static_cast(std::floor(z)) & 255; + + x -= std::floor(x); + y -= std::floor(y); + z -= std::floor(z); + + const value_type u = Fade(x); + const value_type v = Fade(y); + const value_type w = Fade(z); + + const std::int32_t A = p[X] + Y, AA = p[A] + Z, AB = p[A + 1] + Z; + const std::int32_t B = p[X + 1] + Y, BA = p[B] + Z, BB = p[B + 1] + Z; + + return Lerp(w, Lerp(v, Lerp(u, Grad(p[AA], x, y, z), + Grad(p[BA], x - 1, y, z)), + Lerp(u, Grad(p[AB], x, y - 1, z), + Grad(p[BB], x - 1, y - 1, z))), + Lerp(v, Lerp(u, Grad(p[AA + 1], x, y, z - 1), + Grad(p[BA + 1], x - 1, y, z - 1)), + Lerp(u, Grad(p[AB + 1], x, y - 1, z - 1), + Grad(p[BB + 1], x - 1, y - 1, z - 1)))); + } + + /////////////////////////////////////// + // + // Noise [0, 1] + // + [[nodiscard]] + value_type noise1D_0_1(value_type x) const noexcept + { + return noise1D(x) + * value_type(0.5) + value_type(0.5); + } + + [[nodiscard]] + value_type noise2D_0_1(value_type x, value_type y) const noexcept + { + return noise2D(x, y) + * value_type(0.5) + value_type(0.5); + } + + [[nodiscard]] + value_type noise3D_0_1(value_type x, value_type y, value_type z) const noexcept + { + return noise3D(x, y, z) + * value_type(0.5) + value_type(0.5); + } + + /////////////////////////////////////// + // + // Accumulated octave noise + // * Return value can be outside the range [-1, 1] + // + [[nodiscard]] + value_type accumulatedOctaveNoise1D(value_type x, std::int32_t octaves) const noexcept + { + value_type result = 0; + value_type amp = 1; + + for (std::int32_t i = 0; i < octaves; ++i) + { + result += noise1D(x) * amp; + x *= 2; + amp /= 2; + } + + return result; // unnormalized + } + + [[nodiscard]] + value_type accumulatedOctaveNoise2D(value_type x, value_type y, std::int32_t octaves) const noexcept + { + value_type result = 0; + value_type amp = 1; + + for (std::int32_t i = 0; i < octaves; ++i) + { + result += noise2D(x, y) * amp; + x *= 2; + y *= 2; + amp /= 2; + } + + return result; // unnormalized + } + + [[nodiscard]] + value_type accumulatedOctaveNoise3D(value_type x, value_type y, value_type z, std::int32_t octaves) const noexcept + { + value_type result = 0; + value_type amp = 1; + + for (std::int32_t i = 0; i < octaves; ++i) + { + result += noise3D(x, y, z) * amp; + x *= 2; + y *= 2; + z *= 2; + amp /= 2; + } + + return result; // unnormalized + } + + /////////////////////////////////////// + // + // Normalized octave noise [-1, 1] + // + [[nodiscard]] + value_type normalizedOctaveNoise1D(value_type x, std::int32_t octaves) const noexcept + { + return accumulatedOctaveNoise1D(x, octaves) + / Weight(octaves); + } + + [[nodiscard]] + value_type normalizedOctaveNoise2D(value_type x, value_type y, std::int32_t octaves) const noexcept + { + return accumulatedOctaveNoise2D(x, y, octaves) + / Weight(octaves); + } + + [[nodiscard]] + value_type normalizedOctaveNoise3D(value_type x, value_type y, value_type z, std::int32_t octaves) const noexcept + { + return accumulatedOctaveNoise3D(x, y, z, octaves) + / Weight(octaves); + } + + /////////////////////////////////////// + // + // Accumulated octave noise clamped within the range [0, 1] + // + [[nodiscard]] + value_type accumulatedOctaveNoise1D_0_1(value_type x, std::int32_t octaves) const noexcept + { + return std::clamp(accumulatedOctaveNoise1D(x, octaves) + * value_type(0.5) + value_type(0.5), 0, 1); + } + + [[nodiscard]] + value_type accumulatedOctaveNoise2D_0_1(value_type x, value_type y, std::int32_t octaves) const noexcept + { + return std::clamp(accumulatedOctaveNoise2D(x, y, octaves) + * value_type(0.5) + value_type(0.5), 0, 1); + } + + [[nodiscard]] + value_type accumulatedOctaveNoise3D_0_1(value_type x, value_type y, value_type z, std::int32_t octaves) const noexcept + { + return std::clamp(accumulatedOctaveNoise3D(x, y, z, octaves) + * value_type(0.5) + value_type(0.5), 0, 1); + } + + /////////////////////////////////////// + // + // Normalized octave noise [0, 1] + // + [[nodiscard]] + value_type normalizedOctaveNoise1D_0_1(value_type x, std::int32_t octaves) const noexcept + { + return normalizedOctaveNoise1D(x, octaves) + * value_type(0.5) + value_type(0.5); + } + + [[nodiscard]] + value_type normalizedOctaveNoise2D_0_1(value_type x, value_type y, std::int32_t octaves) const noexcept + { + return normalizedOctaveNoise2D(x, y, octaves) + * value_type(0.5) + value_type(0.5); + } + + [[nodiscard]] + value_type normalizedOctaveNoise3D_0_1(value_type x, value_type y, value_type z, std::int32_t octaves) const noexcept + { + return normalizedOctaveNoise3D(x, y, z, octaves) + * value_type(0.5) + value_type(0.5); + } + + /////////////////////////////////////// + // + // Serialization + // + void serialize(std::array& s) const noexcept + { + for (std::size_t i = 0; i < 256; ++i) + { + s[i] = p[i]; + } + } + + void deserialize(const std::array& s) noexcept + { + for (std::size_t i = 0; i < 256; ++i) + { + p[256 + i] = p[i] = s[i]; + } + } + + /////////////////////////////////////// + // + // Legacy interface + // + [[deprecated("use noise1D() instead")]] + double noise(double x) const; + [[deprecated("use noise2D() instead")]] + double noise(double x, double y) const; + [[deprecated("use noise3D() instead")]] + double noise(double x, double y, double z) const; + + [[deprecated("use noise1D_0_1() instead")]] + double noise0_1(double x) const; + [[deprecated("use noise2D_0_1() instead")]] + double noise0_1(double x, double y) const; + [[deprecated("use noise3D_0_1() instead")]] + double noise0_1(double x, double y, double z) const; + + [[deprecated("use accumulatedOctaveNoise1D() instead")]] + double octaveNoise(double x, std::int32_t octaves) const; + [[deprecated("use accumulatedOctaveNoise2D() instead")]] + double octaveNoise(double x, double y, std::int32_t octaves) const; + [[deprecated("use accumulatedOctaveNoise3D() instead")]] + double octaveNoise(double x, double y, double z, std::int32_t octaves) const; + + [[deprecated("use accumulatedOctaveNoise1D_0_1() instead")]] + double octaveNoise0_1(double x, std::int32_t octaves) const; + [[deprecated("use accumulatedOctaveNoise2D_0_1() instead")]] + double octaveNoise0_1(double x, double y, std::int32_t octaves) const; + [[deprecated("use accumulatedOctaveNoise3D_0_1() instead")]] + double octaveNoise0_1(double x, double y, double z, std::int32_t octaves) const; + }; + + using PerlinNoise = BasicPerlinNoise; +} diff --git a/src/tiles/dirt.cpp b/src/tiles/dirt.cpp new file mode 100644 index 0000000..8aa7f08 --- /dev/null +++ b/src/tiles/dirt.cpp @@ -0,0 +1,10 @@ +#include "tiles/dirt.h" + +void Dirt::render(Render r, Vector2pos, Vector2size) { + r.fill_rectangle_sz( + pos * (TILE_SIZE + 1), + size * TILE_SIZE, + {100, 50, 10} + ); +} + diff --git a/src/tiles/dirt.h b/src/tiles/dirt.h new file mode 100644 index 0000000..6d629ef --- /dev/null +++ b/src/tiles/dirt.h @@ -0,0 +1,18 @@ +#include "tiles/tile.h" + +class Dirt : public Tile { + public: + Dirt() : Tile(1) {} + + Dirt(const Dirt &other) = default; + Dirt &operator=(const Dirt &other) = delete; + + virtual ~Dirt() = default; + + virtual Dirt *clone() { return new Dirt(*this); } + + void render(Render r, Vector2pos, Vector2size) override; + + private: + +}; diff --git a/src/tiles/grass.cpp b/src/tiles/grass.cpp new file mode 100644 index 0000000..7f71c3b --- /dev/null +++ b/src/tiles/grass.cpp @@ -0,0 +1,10 @@ +#include "tiles/grass.h" + +void Grass::render(Render r, Vector2pos, Vector2size) { + r.fill_rectangle_sz( + pos * (TILE_SIZE + 1), + size * TILE_SIZE, + {7, 176, 52} + ); +} + diff --git a/src/tiles/grass.h b/src/tiles/grass.h new file mode 100644 index 0000000..c154d18 --- /dev/null +++ b/src/tiles/grass.h @@ -0,0 +1,18 @@ +#include "tiles/tile.h" + +class Grass : public Tile { + public: + Grass() : Tile(2) {} + + Grass(const Grass &other) = default; + Grass &operator=(const Grass &other) = delete; + + virtual ~Grass() = default; + + virtual Grass *clone() { return new Grass(*this); } + + void render(Render r, Vector2pos, Vector2size) override; + + private: + +}; diff --git a/src/tiles/stone.cpp b/src/tiles/stone.cpp new file mode 100644 index 0000000..8737328 --- /dev/null +++ b/src/tiles/stone.cpp @@ -0,0 +1,10 @@ +#include "tiles/stone.h" + +void Stone::render(Render r, Vector2pos, Vector2size) { + r.fill_rectangle_sz( + pos * (TILE_SIZE + 1), + size * TILE_SIZE, + {42, 42, 42} + ); +} + diff --git a/src/tiles/stone.h b/src/tiles/stone.h new file mode 100644 index 0000000..7f2a4f1 --- /dev/null +++ b/src/tiles/stone.h @@ -0,0 +1,18 @@ +#include "tiles/tile.h" + +class Stone : public Tile { + public: + Stone() : Tile(3) {} + + Stone(const Stone &other) = default; + Stone &operator=(const Stone &other) = delete; + + virtual ~Stone() = default; + + virtual Stone *clone() { return new Stone(*this); } + + void render(Render r, Vector2pos, Vector2size) override; + + private: + +}; diff --git a/src/tiles/tile.cpp b/src/tiles/tile.cpp new file mode 100644 index 0000000..ae2eccc --- /dev/null +++ b/src/tiles/tile.cpp @@ -0,0 +1,23 @@ +#include "tiles/tile.h" + +void Tile::render(Render r, Vector2pos, Vector2size) { + r.rectangle_sz( + pos * (TILE_SIZE + 1), + size * TILE_SIZE, + m_color + ); +} + +std::ostream &operator<<(std::ostream &os, const Tile &tile) { + os.write(reinterpret_cast(&tile.m_id), sizeof(tile.m_id)); + os.write(reinterpret_cast(&tile.m_color), sizeof(tile.m_color)); + + return os; +} + +std::istream &operator>>(std::istream &is, Tile &tile) { + is.read(reinterpret_cast(&tile.m_color), sizeof(tile.m_color)); + + return is; +} + diff --git a/src/tiles/tile.h b/src/tiles/tile.h new file mode 100644 index 0000000..4b5297b --- /dev/null +++ b/src/tiles/tile.h @@ -0,0 +1,34 @@ +#pragma once + +#include + +#include "util/render.h" +#include "util/vector2.h" + +#define TILE_SIZE 16 + +class Tile { + public: + Tile() : Tile(-1) {} + Tile(int id) : m_id(id) {} + + Tile(const Tile &other) = default; + Tile &operator=(const Tile &other) = delete; + + virtual ~Tile() = default; + + virtual Tile *clone() { return new Tile(*this); } + + // Get the tile's ID + int id() { return m_id; } + // void set_id(int id) { m_id = id; } + + virtual void render(Render r, Vector2pos, Vector2size); + + friend std::ostream &operator<<(std::ostream &os, const Tile &tile); + friend std::istream &operator>>(std::istream &is, Tile &tile); + + private: + int m_id; + Color m_color = Color::from_hsv(rand() % 255, 255, 255); +}; diff --git a/src/util/color.h b/src/util/color.h new file mode 100644 index 0000000..935ad8a --- /dev/null +++ b/src/util/color.h @@ -0,0 +1,48 @@ +#pragma once + +class Color { + public: + Color() = default; + Color(int r, int g, int b) : m_r(r), m_g(g), m_b(b) {} + + int r() { return m_r; } + int g() { return m_g; } + int b() { return m_b; } + + void set_r(int r) { m_r = r; } + void set_g(int g) { m_g = g; } + void set_b(int b) { m_b = b; } + + static Color from_hsv(int h, int s, int v) { + if(s == 0) { + return {v, v, v}; + } + + int region = h / 43; + int remainder = (h - region * 43) * 6; + + int p = (v * (255 - s)) >> 8; + int q = (v * (255 - ((s * remainder) >> 8))) >> 8; + int t = (v * (255 - ((s * (255 - remainder)) >> 8))) >> 8; + + switch(region) { + case 0: + return {v, t, p}; + case 1: + return {q, v, p}; + case 2: + return {p, v, t}; + case 3: + return {p, q, v}; + case 4: + return {t, p, v}; + default: + return {v, p ,q}; + } + } + + private: + int m_r; + int m_g; + int m_b; +}; diff --git a/src/util/render.cpp b/src/util/render.cpp new file mode 100644 index 0000000..2375cea --- /dev/null +++ b/src/util/render.cpp @@ -0,0 +1,22 @@ +#include "util/render.h" + +void Render::rectangle(Vector2 start, Vector2 end, Color color) { + auto origin = start + m_camera_pos; + m_pge->DrawRect(origin.x(), origin.y(), end.x() - start.x(), end.y() - start.y(), olc::Pixel(color.r(), color.g(), color.b())); +} + +void Render::rectangle_sz(Vector2 start, Vector2 size, Color color) { + auto origin = start + m_camera_pos; + m_pge->DrawRect(origin.x(), origin.y(), size.x(), size.y(), olc::Pixel(color.r(), color.g(), color.b())); +} + +void Render::fill_rectangle(Vector2 start, Vector2 end, Color color) { + auto origin = start + m_camera_pos; + m_pge->FillRect(origin.x(), origin.y(), end.x() - start.x() + 1, end.y() - start.y() + 1, olc::Pixel(color.r(), color.g(), color.b())); +} + +void Render::fill_rectangle_sz(Vector2 start, Vector2 size, Color color) { + auto origin = start + m_camera_pos; + m_pge->FillRect(origin.x(), origin.y(), size.x() + 1, size.y() + 1, olc::Pixel(color.r(), color.g(), color.b())); +} + diff --git a/src/util/render.h b/src/util/render.h new file mode 100644 index 0000000..74d8ff3 --- /dev/null +++ b/src/util/render.h @@ -0,0 +1,24 @@ +#pragma once + +#include "olcPixelGameEngine.h" +#include "util/color.h" +#include "util/vector2.h" + +class Render { + public: + Render(olc::PixelGameEngine *pge) : m_pge(pge) {} + + void rectangle(Vector2 start, Vector2 end, Color color = {0, 0, 0}); + void rectangle_sz(Vector2 start, Vector2 size, Color color = {0, 0, 0}); + + void fill_rectangle(Vector2 start, Vector2 end, Color color = {0, 0, 0}); + void fill_rectangle_sz(Vector2 start, Vector2 size, Color color = {0, 0, 0}); + + void set_camera_pos(Vector2 camera_pos) { m_camera_pos = camera_pos; } + Vector2 camera_pos() { return m_camera_pos; } + + private: + olc::PixelGameEngine *m_pge; + + Vector2 m_camera_pos; +}; diff --git a/src/util/vector2.h b/src/util/vector2.h new file mode 100644 index 0000000..2eac660 --- /dev/null +++ b/src/util/vector2.h @@ -0,0 +1,57 @@ +#pragma once + +#include + +template +class Vector2 { + public: + Vector2() = default; + Vector2(T x, T y) : m_x(x), m_y(y) {} + + T x() { return m_x; } + T y() { return m_y; } + + void set_x(T x) { m_x = x; } + void set_y(T y) { m_y = y; } + + void set(T x, T y) { m_x = x; m_y = y; } + + Vector2 operator-() const { return Vector2(-m_x, -m_y); } + + Vector2 &operator=(const Vector2 &other) { m_x = other.m_x; m_y = other.m_y; return *this; } + + Vector2 operator+(const Vector2 &other) const { return Vector2(m_x + other.m_x, m_y + other.m_y); } + Vector2 &operator+=(const Vector2 &other) { m_x += other.m_x; m_y += other.m_y; return *this; } + + Vector2 operator-(const Vector2 &other) const { return Vector2(m_x - other.m_x, m_y - other.m_y); } + Vector2 &operator-=(const Vector2 &other) { m_x -= other.m_x; m_y -= other.m_y; return *this; } + + Vector2 operator*(const Vector2 &other) const { return Vector2(m_x * other.m_x, m_y * other.m_y); } + Vector2 &operator*=(const Vector2 &other) { m_x *= other.m_x; m_y *= other.m_y; return *this; } + Vector2 operator*(const T &s) const { return Vector2(m_x * s, m_y * s); } + Vector2 &operator*=(const T &s) { m_x *= s; m_y *= s; return *this; } + + Vector2 operator/(const Vector2 &other) const { return Vector2(m_x / other.m_x, m_y / other.m_y); } + Vector2 &operator/=(const Vector2 &other) { m_x /= other.m_x; m_y /= other.m_y; return *this; } + Vector2 operator/(const T &s) const { return Vector2(m_x / s, m_y / s); } + Vector2 &operator/=(const T &s) { m_x /= s; m_y /= s; return *this; } + + bool operator==(const Vector2 &other) const { return m_x == other.m_x && m_y == other.m_y; } + bool operator!=(const Vector2 &other) const { return m_x != other.m_x || m_y != other.m_y; } + + bool operator<(const Vector2 &other) const { return m_x < other.m_x || (m_x == other.m_x && m_y < other.m_y); } + bool operator>(const Vector2 &other) const { return m_x > other.m_x || (m_x == other.m_x && m_y > other.m_y); } + + bool operator<=(const Vector2 &other) const { return m_x <= other.m_x || (m_x == other.m_x && m_y <= other.m_y); } + bool operator>=(const Vector2 &other) const { return m_x >= other.m_x || (m_x == other.m_x && m_y >= other.m_y); } + + friend std::ostream &operator<<(std::ostream &os, const Vector2 &vec) { + os << "Vector2(" << vec.m_x << ", " << vec.m_y << ")"; + return os; + } + + private: + T m_x = 0; + T m_y = 0; +}; +