Function Structure_Place

src/structure.c:442–616

* Place a structure on the map. * * @param structure The structure to place on the map. * @param position The (packed) tile to place the struction on. * @return True if and only if the structure is placed on the map. */

 * @return True if and only if the structure is placed on the map.
 */
bool Structure_Place(Structure *s, uint16 position)
{
	const StructureInfo *si;
	int16 validBuildLocation;

	if (s == NULL) return false;
	if (position == 0xFFFF) return false;

	si = &g_table_structureInfo[s->o.type];

	switch (s->o.type) {
		case STRUCTURE_WALL: {
			Tile *t;

			if (Structure_IsValidBuildLocation(position, STRUCTURE_WALL) == 0) return false;

			t = &g_map[position];
			t->groundTileID = g_wallTileID + 1;
			/* ENHANCEMENT -- Dune2 wrongfully only removes the lower 2 bits, where the lower 3 bits are the owner. This is no longer visible. */
			t->houseID  = s->o.houseID;

			g_mapTileID[position] |= 0x8000;

			if (s->o.houseID == g_playerHouseID) Tile_RemoveFogInRadius(Tile_UnpackTile(position), 1);

			if (Map_IsPositionUnveiled(position)) t->overlayTileID = 0;

			Structure_ConnectWall(position, true);
			Structure_Free(s);

		} return true;

		case STRUCTURE_SLAB_1x1:
		case STRUCTURE_SLAB_2x2: {
			uint16 i, result;

			result = 0;

			for (i = 0; i < g_table_structure_layoutTileCount[si->layout]; i++) {
				uint16 curPos = position + g_table_structure_layoutTiles[si->layout][i];
				Tile *t = &g_map[curPos];

				if (Structure_IsValidBuildLocation(curPos, STRUCTURE_SLAB_1x1) == 0) continue;

				t->groundTileID = g_builtSlabTileID;
				t->houseID = s->o.houseID;

				g_mapTileID[curPos] |= 0x8000;

				if (s->o.houseID == g_playerHouseID) Tile_RemoveFogInRadius(Tile_UnpackTile(curPos), 1);

				if (Map_IsPositionUnveiled(curPos)) t->overlayTileID = 0;

				Map_Update(curPos, 0, false);

				result = 1;
			}