sprite.c

	union {
		struct sprite * children[1];
		struct rich_text * rich_text;
		int scissor;
		struct anchor_data *anchor;
		struct pack_polygon *polygon;
	} data;
	
	
int
sprite_size(struct sprite_pack *pack, int id) {
	else if (type == TYPE_POLYGON) {
		offset_t *data = OFFSET_TO_POINTER(offset_t, pack, pack->data);
		struct pack_polygon_data * poly = OFFSET_TO_POINTER(struct pack_polygon_data, pack, data[id]);
		return sizeof(struct sprite) + sizeof (pack_polygon) + (poly->n - 1) * sizeof(struct pack_poly *) ;
	}
}

void
sprite_init(struct sprite * s, struct sprite_pack * pack, int id, int sz) {
else if (s->type == TYPE_POLYGON) {
	struct pack_polygon_data * polygon = (struct pack_polygon_data *)s->s.poly;
	s->data.polygon = (struct pack_polygon *)(s + 1);
	s->data.polygon->n = polygon->n;
	int i;
	for (i=0; i<polygon->n; i++) {
		s->data.polygon->poly[i].texture_coord = OFFSET_TO_POINTER(uv_t, pack, polygon->poly[i].texture_coord);
		s->data.polygon->poly[i].screen_coord = OFFSET_TO_POINTER(int32_t, pack, polygon->poly[i].screen_coord);
		s->data.polygon->poly[i].texid = polygon->poly[i].texid;
		s->data.polygon->poly[i].n = polygon->poly[i].n;
	}
	s->s.poly = s->data.polygon;
}