extern i32 load_vorbis(arena_t *arena, sound_t *sounds, const char *filename);
extern void play_sound(sound_t *sounds, sound_queue_t *queue, sound_queue_node_t *nodes, i32 id);

i32 find_sound(sound_t *sounds, const char *name)
{
	for (i32 i = 0; i < MAX_SOUNDS_LOADED; i++) {
		sound_t *sound = sounds+i;
		if (streq(sound->name, name))
			return i;
	}
	return -1;
}

i32 load_sound(sound_t *sounds, sound_t new_sound)
{
	assert(sounds);

	i32 i;
	sound_t *sound;
	for (i = 0; i < MAX_SOUNDS_LOADED; ++i) {
		sound = sounds+i;
		if (!sound->data)
			break;
	}

	if (i == MAX_SOUNDS_LOADED) {
		printf("warning: max sounds loaded\n");
		return -1;
	}

	*sound = new_sound;

	return i;
}

i32 enqueue_sound(sound_queue_t *queue, sound_queue_node_t *nodes, sound_t *sound)
{
	if (queue->count == MAX_SOUNDS_PLAYING)
		return 0;

	sound_queue_node_t *node;
	for (i32 i = 0; i < MAX_SOUNDS_PLAYING; ++i) {
		node = nodes+i;
		if (!node->sound)
			break;
	}

	node->sound = sound;

	dllpushfront(queue->first, queue->last, node);

	queue->count++;

	return 1;
}

sound_t *dequeue_sound(sound_queue_t *queue)
{
	if (queue->count == 0)
		return 0;
	
	sound_t *sound = queue->first->sound;
	queue->first->sound = 0;
	dllremove(queue->first, queue->last, queue->first);
	queue->count--;

	return sound;
}