62 lines
1.5 KiB
D
62 lines
1.5 KiB
D
module gameengine_rsdl;
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import bindbc.sdl;
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import gameengine.renderer.renderer;
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import gameengine.math.types;
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import std.exception;
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import std.format;
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import std.string : toStringz;
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/** \class RSDL
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* Renderer implementation using SDL2 Renderer for the game engine
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*/
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class RSDL : Renderer {
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this(string title, IntVec2 size) {
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const SDLSupport ret = loadSDL();
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if(ret != sdlSupport) {
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throw new Exception("Couldn't load SDL library!");
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}
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SDL_Init(SDL_INIT_VIDEO);
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// Create window. `title` is cast to a char* here as toStringz returns an immutable char* (causing an error)
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window = SDL_CreateWindow(cast(char*)toStringz(title), SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
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size.x, size.y, SDL_WINDOW_RESIZABLE);
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if (window is null) {
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string error = format("Couldn't create window! what: %d", SDL_GetError());
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throw new Exception(error);
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}
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renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
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if (renderer is null) {
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string error = format("Couldn't create renderer! what: %d", SDL_GetError());
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throw new Exception(error);
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}
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}
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~this() {
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SDL_DestroyRenderer(renderer);
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SDL_DestroyWindow(window);
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SDL_Quit();
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}
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override void clearScreen(Color col = Color(0, 0, 0, 1)) {
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SDL_SetRenderDrawColor(renderer, col.r, col.g, col.b, col.a);
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SDL_RenderClear(renderer);
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}
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override void renderCurrent() {
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SDL_RenderPresent(renderer);
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}
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override void preDraw() {}
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override void postDraw() {}
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override void setWindowTitle(string title) {}
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private SDL_Window* window;
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private SDL_Renderer* renderer;
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} |