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@@ -201,20 +201,30 @@ uint32 GetNearbyTileInformation(byte par
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return GetNearbyTileInformation(tile);
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}
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/** Structure with user-data for SearchNearbyHouseXXX - functions */
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typedef struct {
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const HouseSpec *hs; ///< Specs of the house, that startet the search
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TileIndex north_tile; ///< Northern tile of the house.
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} SearchNearbyHouseData;
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/** Callback function to search a house by its HouseID
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* @param tile TileIndex to be examined
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* @param user_data house id, in order to get the specs
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* @param user_data SearchNearbyHouseData
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* @return true or false, if found or not
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*/
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static bool SearchNearbyHouseID(TileIndex tile, void *user_data)
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{
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if (IsTileType(tile, MP_HOUSE)) {
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const HouseSpec *hs = GetHouseSpecs(GetHouseType(tile)); // tile been examined
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HouseID house = GetHouseType(tile); // tile been examined
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const HouseSpec *hs = GetHouseSpecs(house);
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if (hs->grffile != NULL) { // must be one from a grf file
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HouseID *test_house = (HouseID *)user_data;
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const HouseSpec *test_hs = GetHouseSpecs(*test_house);
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return hs->local_id == test_hs->local_id && // same local id as the one requested
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hs->grffile->grfid == test_hs->grffile->grfid; // from the same grf
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SearchNearbyHouseData *nbhd = (SearchNearbyHouseData *)user_data;
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TileIndex north_tile = tile + GetHouseNorthPart(house); // modifies 'house'!
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if (north_tile == nbhd->north_tile) return false; // Always ignore origin house
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return hs->local_id == nbhd->hs->local_id && // same local id as the one requested
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hs->grffile->grfid == nbhd->hs->grffile->grfid; // from the same grf
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}
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}
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return false;
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@@ -222,18 +232,22 @@ static bool SearchNearbyHouseID(TileInde
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/** Callback function to search a house by its classID
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* @param tile TileIndex to be examined
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* @param user_data house id, in order to get the specs
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* @param user_data SearchNearbyHouseData
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* @return true or false, if found or not
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*/
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static bool SearchNearbyHouseClass(TileIndex tile, void *user_data)
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{
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if (IsTileType(tile, MP_HOUSE)) {
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const HouseSpec *hs = GetHouseSpecs(GetHouseType(tile)); // tile been examined
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HouseID house = GetHouseType(tile); // tile been examined
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const HouseSpec *hs = GetHouseSpecs(house);
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if (hs->grffile != NULL) { // must be one from a grf file
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HouseID *test_house = (HouseID *)user_data;
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const HouseSpec *test_hs = GetHouseSpecs(*test_house);
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return hs->class_id == test_hs->class_id && // same classid as the one requested
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hs->grffile->grfid == test_hs->grffile->grfid; // from the same grf
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SearchNearbyHouseData *nbhd = (SearchNearbyHouseData *)user_data;
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TileIndex north_tile = tile + GetHouseNorthPart(house); // modifies 'house'!
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if (north_tile == nbhd->north_tile) return false; // Always ignore origin house
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return hs->class_id == nbhd->hs->class_id && // same classid as the one requested
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hs->grffile->grfid == nbhd->hs->grffile->grfid; // from the same grf
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}
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}
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return false;
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@@ -241,17 +255,21 @@ static bool SearchNearbyHouseClass(TileI
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/** Callback function to search a house by its grfID
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* @param tile TileIndex to be examined
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* @param user_data house id, in order to get the specs
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* @param user_data SearchNearbyHouseData
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* @return true or false, if found or not
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*/
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static bool SearchNearbyHouseGRFID(TileIndex tile, void *user_data)
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{
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if (IsTileType(tile, MP_HOUSE)) {
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const HouseSpec *hs = GetHouseSpecs(GetHouseType(tile)); // tile been examined
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HouseID house = GetHouseType(tile); // tile been examined
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const HouseSpec *hs = GetHouseSpecs(house);
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if (hs->grffile != NULL) { // must be one from a grf file
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HouseID *test_house = (HouseID *)user_data;
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const HouseSpec *test_hs = GetHouseSpecs(*test_house);
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return hs->grffile->grfid == test_hs->grffile->grfid; // from the same grf
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SearchNearbyHouseData *nbhd = (SearchNearbyHouseData *)user_data;
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TileIndex north_tile = tile + GetHouseNorthPart(house); // modifies 'house'!
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if (north_tile == nbhd->north_tile) return false; // Always ignore origin house
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return hs->grffile->grfid == nbhd->hs->grffile->grfid; // from the same grf
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}
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}
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return false;
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@@ -279,8 +297,12 @@ static uint32 GetDistanceFromNearbyHouse
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if (searchtype >= lengthof(search_procs)) return 0; // do not run on ill-defined code
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if (searchradius < 1) return 0; // do not use a too low radius
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SearchNearbyHouseData nbhd;
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nbhd.hs = GetHouseSpecs(house);
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nbhd.north_tile = tile + GetHouseNorthPart(house); // modifies 'house'!
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/* Use a pointer for the tile to start the search. Will be required for calculating the distance*/
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if (CircularTileSearch(&found_tile, 2 * searchradius + 1, search_procs[searchtype], &house)) {
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if (CircularTileSearch(&found_tile, 2 * searchradius + 1, search_procs[searchtype], &nbhd)) {
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return DistanceManhattan(found_tile, tile);
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}
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return 0;
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