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@@ -137,6 +137,12 @@ static Station* GetStationAround(TileInd
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return (closest_station == INVALID_STATION) ? NULL : GetStation(closest_station);
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}
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/**
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* Function to check whether the given tile matches some criterion.
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* @param tile the tile to check
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* @return true if it matches, false otherwise
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*/
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typedef bool (*CMSAMatcher)(TileIndex tile);
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/**
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* Counts the numbers of tiles matching a specific type in the area around
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@@ -146,39 +152,85 @@ static Station* GetStationAround(TileInd
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* in all other cases this parameter is ignored
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* @return the result the noumber of matching tiles around
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*/
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static int CountMapSquareAround(TileIndex tile, TileType type, IndustryType industry)
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static int CountMapSquareAround(TileIndex tile, CMSAMatcher cmp)
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{
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int num = 0;
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for (int dx = -3; dx <= 3; dx++) {
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for (int dy = -3; dy <= 3; dy++) {
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TileIndex cur_tile = TILE_MASK(tile + TileDiffXY(dx, dy));
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if (IsTileType(cur_tile, type)) {
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switch (type) {
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case MP_INDUSTRY:
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if (GetIndustryType(cur_tile) == industry)
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num++;
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break;
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case MP_WATER:
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if (!IsWater(cur_tile))
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break;
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/* FALL THROUGH WHEN WATER TILE */
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case MP_TREES:
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num++;
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break;
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default:
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break;
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}
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}
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if (cmp(TILE_MASK(tile + TileDiffXY(dx, dy)))) num++;
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}
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}
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return num;
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}
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/**
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* Check whether the tile is a mine.
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* @param tile the tile to investigate.
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* @return true if and only if the tile is a mine
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*/
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static bool CMSAMine(TileIndex tile)
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{
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/* No industry */
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if (!IsTileType(tile, MP_INDUSTRY)) return false;
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const IndustrySpec *indsp = GetIndustrySpec(GetIndustryByTile(tile)->type);
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/* No extractive industry */
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if ((indsp->life_type & INDUSTRYLIFE_EXTRACTIVE) == 0) return false;
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for (uint i = 0; i < lengthof(indsp->produced_cargo); i++) {
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/* The industry extracts something non-liquid, i.e. no oil or plastic, so it is a mine */
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if (indsp->produced_cargo[i] != CT_INVALID && (GetCargo(indsp->produced_cargo[i])->classes & CC_LIQUID) == 0) return true;
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}
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return false;
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}
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/**
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* Check whether the tile is water.
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* @param tile the tile to investigate.
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* @return true if and only if the tile is a mine
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*/
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static bool CMSAWater(TileIndex tile)
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{
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return IsTileType(tile, MP_WATER) && IsWater(tile);
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}
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/**
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* Check whether the tile is a tree.
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* @param tile the tile to investigate.
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* @return true if and only if the tile is a mine
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*/
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static bool CMSATree(TileIndex tile)
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{
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return IsTileType(tile, MP_TREES);
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}
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/**
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* Check whether the tile is a forest.
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* @param tile the tile to investigate.
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* @return true if and only if the tile is a mine
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*/
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static bool CMSAForest(TileIndex tile)
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{
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/* No industry */
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if (!IsTileType(tile, MP_INDUSTRY)) return false;
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const IndustrySpec *indsp = GetIndustrySpec(GetIndustryByTile(tile)->type);
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/* No extractive industry */
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if ((indsp->life_type & INDUSTRYLIFE_ORGANIC) == 0) return false;
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for (uint i = 0; i < lengthof(indsp->produced_cargo); i++) {
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/* The industry produces wood. */
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if (indsp->produced_cargo[i] != CT_INVALID && GetCargo(indsp->produced_cargo[i])->label == 'WOOD') return true;
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}
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return false;
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}
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#define M(x) ((x) - STR_SV_STNAME)
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static bool GenerateStationName(Station *st, TileIndex tile, int flag)
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@@ -221,11 +273,7 @@ static bool GenerateStationName(Station
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/* check mine? */
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if (HASBIT(free_names, M(STR_SV_STNAME_MINES))) {
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if (CountMapSquareAround(tile, MP_INDUSTRY, IT_COAL_MINE) >= 2 ||
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CountMapSquareAround(tile, MP_INDUSTRY, IT_IRON_MINE) >= 2 ||
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CountMapSquareAround(tile, MP_INDUSTRY, IT_COPPER_MINE) >= 2 ||
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CountMapSquareAround(tile, MP_INDUSTRY, IT_GOLD_MINE) >= 2 ||
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CountMapSquareAround(tile, MP_INDUSTRY, IT_DIAMOND_MINE) >= 2) {
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if (CountMapSquareAround(tile, CMSAMine) >= 2) {
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found = M(STR_SV_STNAME_MINES);
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goto done;
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}
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@@ -243,15 +291,15 @@ static bool GenerateStationName(Station
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/* Check lakeside */
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if (HASBIT(free_names, M(STR_SV_STNAME_LAKESIDE)) &&
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DistanceFromEdge(tile) < 20 &&
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CountMapSquareAround(tile, MP_WATER, 0) >= 5) {
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CountMapSquareAround(tile, CMSAWater) >= 5) {
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found = M(STR_SV_STNAME_LAKESIDE);
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goto done;
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}
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/* Check woods */
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if (HASBIT(free_names, M(STR_SV_STNAME_WOODS)) && (
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CountMapSquareAround(tile, MP_TREES, 0) >= 8 ||
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CountMapSquareAround(tile, MP_INDUSTRY, IT_FOREST) >= 2)
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CountMapSquareAround(tile, CMSATree) >= 8 ||
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CountMapSquareAround(tile, CMSAForest) >= 2)
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) {
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found = _opt.landscape == LT_TROPIC ?
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M(STR_SV_STNAME_FOREST) : M(STR_SV_STNAME_WOODS);
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