Function Tools_Index_Encode

src/tools.c:78–95

* Encode the given index. * * @param id The index to encode. * @param type The type of the encoded Index. * @return The encoded Index. */

 * @return The encoded Index.
 */
uint16 Tools_Index_Encode(uint16 index, IndexType type)
{
	switch (type) {
		case IT_TILE: {
			uint16 ret;

			ret  = ((Tile_GetPackedX(index) << 1) + 1) << 0;
			ret |= ((Tile_GetPackedY(index) << 1) + 1) << 7;
			return ret | 0xC000;
		}
		case IT_UNIT: {
			if (index >= UNIT_INDEX_MAX || !Unit_Get_ByIndex(index)->o.flags.s.allocated) return 0;
			return index | 0x4000;
		}
		case IT_STRUCTURE:  return index | 0x8000;
		default: return 0;
	}
}

/**
 * Check whether an encoded index is valid.