step_tile_animation_u8.inc.c

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/* stepTileAnimation (step_tile_animation.inc.c) with the durations read as bytes */
s32 stepTileAnimation(StageTileAnim *obj, AnimFrame *frames, s32 once, s32 depth) {
    AnimFrame *frame = &frames[obj->anim.index];
    s32 dt = GFX.funcs.getFrameTime();
 
    if (dt > 4) {
        dt = 4;
    }
    if (depth == 0) {
        obj->anim.timer -= dt;
    }
    if (obj->anim.timer <= 0) {
        frame++;
        obj->anim.index++;
        obj->anim.timer += (u8)frame->duration;
        if (once) {
            if (frame->frame == 0xFF) {
                return 0xFF;
            }
        } else if (frame->frame == 0xFF) {
            frame = frames;
            obj->anim.index = 0;
            obj->anim.timer += (u8)frame->duration;
        }
        stepTileAnimation(obj, frames, once, depth + 1);
    }
    return frame->frame;
}