Function Map_FixupSpiceEdges

src/map.c:725–764

* Fixes edges of spice / thick spice to show sand / normal spice for better looks. * @param packed Position to check and possible fix edges of. */

 * @param packed Position to check and possible fix edges of.
 */
static void Map_FixupSpiceEdges(uint16 packed)
{
	uint16 type;
	uint16 spriteID;

	packed &= 0xFFF;
	type = Map_GetLandscapeType(packed);
	spriteID = 0;

	if (type == LST_SPICE || type == LST_THICK_SPICE) {
		uint8 i;

		for (i = 0; i < 4; i++) {
			const uint16 curPacked = packed + g_table_mapDiff[i];
			uint16 curType;

			if (Tile_IsOutOfMap(curPacked)) {
				if (type == LST_SPICE || type == LST_THICK_SPICE) spriteID |= (1 << i);
				continue;
			}

			curType = Map_GetLandscapeType(curPacked);

			if (type == LST_SPICE) {
				if (curType == LST_SPICE || curType == LST_THICK_SPICE) spriteID |= (1 << i);
				continue;
			}

			if (curType == LST_THICK_SPICE) spriteID |= (1 << i);
		}

		spriteID += (type == LST_SPICE) ? 49 : 65;

		spriteID = g_iconMap[g_iconMap[ICM_ICONGROUP_LANDSCAPE] + spriteID] & 0x1FF;
		g_mapTileID[packed] = 0x8000 | spriteID;
		g_map[packed].groundTileID = spriteID;
	}

	Map_Update(packed, 0, false);
}

/**
 * Change amount of spice at \a packed position.