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More rendering subsystem breakout, added a physics subsystem, everything now fires from akgl_game_update() for the user

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This commit is contained in:
Andrew Kesterson
2026-05-25 21:29:18 -04:00
parent 6314ad7f26
commit d87c5d2c20
13 changed files with 276 additions and 176 deletions
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40
src/renderer.c
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@@ -43,6 +43,7 @@ akerr_ErrorContext AKERR_NOIGNORE *akgl_render_init2d(akgl_RenderBackend *self)
self->frame_end = &akgl_render_2d_frame_end;
self->draw_texture = &akgl_render_2d_draw_texture;
self->draw_mesh = &akgl_render_2d_draw_mesh;
self->draw_world = &akgl_render_2d_draw_world;
SUCCEED_RETURN(e);
}
@@ -56,14 +57,17 @@ akerr_ErrorContext AKERR_NOIGNORE *akgl_render_2d_shutdown(akgl_RenderBackend *s
akerr_ErrorContext AKERR_NOIGNORE *akgl_render_2d_frame_start(akgl_RenderBackend *self)
{
PREPARE_ERROR(e);
FAIL_ZERO_RETURN(e, self->sdl_renderer, AKERR_NULLPOINTER, "No valid SDL rendering backend");
SDL_SetRenderDrawColor(self->sdl_renderer, 0, 0, 0, 255);
SDL_RenderClear(self->sdl_renderer);
SUCCEED_RETURN(e);
}
akerr_ErrorContext AKERR_NOIGNORE *akgl_render_2d_frame_end(akgl_RenderBackend *self)
{
PREPARE_ERROR(e);
FAIL_ZERO_RETURN(e, renderer.sdl_renderer, AKERR_NULLPOINTER, "No valid SDL rendering backend");
SDL_RenderPresent(renderer.sdl_renderer);
FAIL_ZERO_RETURN(e, self->sdl_renderer, AKERR_NULLPOINTER, "No valid SDL rendering backend");
SDL_RenderPresent(self->sdl_renderer);
SUCCEED_RETURN(e);
}
@@ -98,3 +102,35 @@ akerr_ErrorContext AKERR_NOIGNORE *akgl_render_2d_draw_mesh(akgl_RenderBackend *
FAIL_RETURN(e, AKERR_API, "Not implemented");
}
akerr_ErrorContext AKERR_NOIGNORE *akgl_render_2d_draw_world(akgl_RenderBackend *self, akgl_Iterator *opflags)
{
PREPARE_ERROR(e);
akgl_Iterator defflags;
SDL_Time curTime = SDL_GetTicksNS();
akgl_Actor *actor = NULL;
int j = 0;
FAIL_ZERO_RETURN(e, self, AKERR_NULLPOINTER, "self");
if ( opflags == NULL ) {
opflags = &defflags;
PASS(e, aksl_memset((void *)opflags, 0x00, sizeof(akgl_Iterator)));
}
for ( int i = 0; i < AKGL_TILEMAP_MAX_LAYERS ; i++ ) {
if ( i < gamemap.numlayers ) {
PASS(e, akgl_tilemap_draw((akgl_Tilemap *)&gamemap, &camera, i));
}
for ( int j = 0; j < AKGL_MAX_HEAP_ACTOR ; j++ ) {
actor = &HEAP_ACTOR[j];
if ( actor->refcount == 0 ) {
continue;
}
if ( actor->layer != i ) {
continue;
}
PASS(e, actor->renderfunc(actor));
}
}
SUCCEED_RETURN(e);
}