101 lines
3.0 KiB
C
101 lines
3.0 KiB
C
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#include <SDL3/SDL.h>
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#include <akgl/renderer.h>
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#include <akgl/staticstring.h>
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#include <akgl/registry.h>
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#include <akgl/heap.h>
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#include <akgl/game.h>
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#include <akerror.h>
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#include <akstdlib.h>
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akerr_ErrorContext AKERR_NOIGNORE *akgl_render_init2d(akgl_RenderBackend *self)
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{
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akgl_String *width = NULL;
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akgl_String *height = NULL;
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int screenwidth;
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int screenheight;
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PREPARE_ERROR(e);
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FAIL_ZERO_RETURN(e, self, AKERR_NULLPOINTER, "self");
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PASS(e, akgl_get_property("game.screenwidth", &width, "0"));
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PASS(e, akgl_get_property("game.screenheight", &height, "0"));
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PASS(e, aksl_atoi(width->data, &screenwidth));
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PASS(e, aksl_atoi(height->data, &screenheight));
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SDL_Log("Initializing screen (%sx%s = %dx%d)", width->data, height->data, screenwidth, screenheight);
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PASS(e, akgl_heap_release_string(width));
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PASS(e, akgl_heap_release_string(height));
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FAIL_ZERO_RETURN(
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e,
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SDL_CreateWindowAndRenderer(game.uri, screenwidth, screenheight, 0, &window, &self->sdl_renderer),
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AKGL_ERR_SDL,
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"Couldn't create window/renderer: %s",
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SDL_GetError());
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camera.x = 0;
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camera.y = 0;
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camera.w = screenwidth;
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camera.h = screenheight;
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self->shutdown = &akgl_render_2d_shutdown;
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self->frame_start = &akgl_render_2d_frame_start;
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self->frame_end = &akgl_render_2d_frame_end;
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self->draw_texture = &akgl_render_2d_draw_texture;
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self->draw_mesh = &akgl_render_2d_draw_mesh;
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SUCCEED_RETURN(e);
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}
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akerr_ErrorContext AKERR_NOIGNORE *akgl_render_2d_shutdown(akgl_RenderBackend *self)
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{
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PREPARE_ERROR(e);
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SUCCEED_RETURN(e);
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}
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akerr_ErrorContext AKERR_NOIGNORE *akgl_render_2d_frame_start(akgl_RenderBackend *self)
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{
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PREPARE_ERROR(e);
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SUCCEED_RETURN(e);
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}
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akerr_ErrorContext AKERR_NOIGNORE *akgl_render_2d_frame_end(akgl_RenderBackend *self)
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{
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PREPARE_ERROR(e);
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FAIL_ZERO_RETURN(e, renderer.sdl_renderer, AKERR_NULLPOINTER, "No valid SDL rendering backend");
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SDL_RenderPresent(renderer.sdl_renderer);
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SUCCEED_RETURN(e);
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}
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akerr_ErrorContext AKERR_NOIGNORE *akgl_render_2d_draw_texture(akgl_RenderBackend *self, SDL_Texture *texture, SDL_FRect *src, SDL_FRect *dest, double angle, SDL_FPoint *center, SDL_FlipMode flip)
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{
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PREPARE_ERROR(e);
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FAIL_ZERO_RETURN(e, self, AKERR_NULLPOINTER, "self");
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FAIL_ZERO_RETURN(e, texture, AKERR_NULLPOINTER, "texture");
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//FAIL_ZERO_RETURN(e, src, AKERR_NULLPOINTER, "src");
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//FAIL_ZERO_RETURN(e, dest, AKERR_NULLPOINTER, "dest");
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if ( angle != 0 ) {
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FAIL_ZERO_RETURN(e, center, AKERR_NULLPOINTER, "center");
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FAIL_ZERO_RETURN(
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e,
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SDL_RenderTextureRotated(self->sdl_renderer, texture, src, dest, angle, center, flip),
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AKERR_NULLPOINTER, "%s", SDL_GetError()
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);
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} else {
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FAIL_ZERO_RETURN(
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e,
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SDL_RenderTexture(self->sdl_renderer, texture, src, dest),
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AKERR_NULLPOINTER, "%s", SDL_GetError()
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);
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}
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SUCCEED_RETURN(e);
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}
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akerr_ErrorContext AKERR_NOIGNORE *akgl_render_2d_draw_mesh(akgl_RenderBackend *self)
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{
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PREPARE_ERROR(e);
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FAIL_RETURN(e, AKERR_API, "Not implemented");
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}
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