void sprite_get_offset_wh_by_frame(int animation, int frame, DArray* meta_info, int *x_offset, int *y_offset, int* width, int* height) {
*x_offset = 0;
*y_offset = 0;
int i = 0;
int len = darray_length(meta_info);
int row_offset = 0;
int offset = 3;
int num = 0;
int index = 0;
//printf("x offset: %i\n", *x_offset);
for(i=0; i<len; i++) {
//printf("%i == %i\n", i, row_offset);
if(i == row_offset) {
index = meta_info->items[row_offset];
num = meta_info->items[row_offset + 1];
*height = meta_info->items[row_offset+2];
*y_offset = *y_offset + *height;
//printf("index %i num %i\n", index, num);
if(index == animation) {
//printf("find width and length\n");
//find width and length
int x = 0;
for(x=offset; x<num+offset; x++) {
//get x offset
*x_offset = *x_offset + meta_info->items[row_offset+x];
//printf("x_off: %i\n", *x_offset);
//printf("x:%i == frame:%i\n", x, frame+offset);
if(x == frame+offset) {
//printf("row_offset+x: %i\n", row_offset+x);
*width = meta_info->items[row_offset+x];
*x_offset = *x_offset - *width;
break;
}
}
*y_offset = *y_offset - *height;
break;
}
row_offset = row_offset + num + offset;
}
}
}
int sprite_get_frames(int animation, DArray *meta_info) {
//get # frames
int frames = 0;
int i = 0;
int len = darray_length(meta_info);
int row_offset = 0;
int num = 0;
int index = 0;
int offset = 3;
for(i=0; i<len; i++) {
if(i == row_offset) {
index = meta_info->items[row_offset];
num = meta_info->items[row_offset + 1];
row_offset = row_offset + num + offset;
if(index == animation) {
frames = num;
break;
}
}
}
return frames;
}
static size_t linear_container_darray_length(LinearContainer* thiz)
{
PrivInfo* priv = (PrivInfo*)thiz->priv;
return darray_length(priv->darray);
}
