space_game/garbo.c

#include "garbo.h"

void queue_for_cleanup(void * SDL_thing, sdl_types kind) {
    // add item to queue for later cleanup
    // TODO: support multiple cleanup queues

    sdl_abstract obj;
    obj.kind = kind;
    switch (kind) {
        case TEXTURE:
            obj.thing.texture = SDL_thing;
            break;
        case WINDOW:
            obj.thing.window = SDL_thing;
            break;
        case RENDERER:
            obj.thing.renderer = SDL_thing;
            break;
        case SURFACE:
            obj.thing.surface = SDL_thing;
            break;
    }
    
    cleanup_queue_length++; 
    cleanup_queue[cleanup_queue_length] = obj;
}

void cleanup(void * thing, sdl_types thing_type) {
    // Destroy an SDL object immediately
    if (!thing) {
        logwrite(DEBUG, "Null passed to cleanup\n");
        return;
    }
    switch(thing_type) {
        case SURFACE:
            SDL_FreeSurface(thing);
            logwrite(DEBUG, "Freed surface\n");
            break;
        case TEXTURE:
            SDL_DestroyTexture(thing);
            logwrite(DEBUG, "Destroyed texture\n");
            break;
        case RENDERER:
            SDL_DestroyRenderer(thing);
            logwrite(DEBUG, "Destroyed renderer\n");
            break;
        case WINDOW:
            SDL_DestroyWindow(thing);
            logwrite(DEBUG, "Destroyed window\n");
            break;
        case NO:
            return;
    }
}

void empty_cleanup_queue(void) {
    // empty the queue of items scheduled for cleanup
    for (; cleanup_queue_length > 0; cleanup_queue_length--) {
        sdl_abstract thing = cleanup_queue[cleanup_queue_length];
        cleanup(thing.thing.generic, thing.kind);
    }
}