diff options
Diffstat (limited to 'src/script/api')
| -rw-r--r-- | src/script/api/script_tilelist.cpp | 44 |
1 files changed, 34 insertions, 10 deletions
diff --git a/src/script/api/script_tilelist.cpp b/src/script/api/script_tilelist.cpp index adddb989c..fcee67d96 100644 --- a/src/script/api/script_tilelist.cpp +++ b/src/script/api/script_tilelist.cpp @@ -49,6 +49,32 @@ void ScriptTileList::RemoveTile(TileIndex tile) this->RemoveItem(tile); } +/** + * Helper to get list of tiles that will cover an industry's production or acceptance. + * @param i Industry in question + * @param radius Catchment radius to test + * @param bta BitmapTileArea to fill + */ +static void FillIndustryCatchment(const Industry *i, int radius, BitmapTileArea &bta) +{ + TILE_AREA_LOOP(cur_tile, i->location) { + if (!::IsTileType(cur_tile, MP_INDUSTRY) || ::GetIndustryIndex(cur_tile) != i->index) continue; + + int tx = TileX(cur_tile); + int ty = TileY(cur_tile); + for (int y = -radius; y <= radius; y++) { + if (ty + y < 0 || ty + y > (int)MapMaxY()) continue; + for (int x = -radius; x <= radius; x++) { + if (tx + x < 0 || tx + x > (int)MapMaxX()) continue; + TileIndex tile = TileXY(tx + x, ty + y); + if (!IsValidTile(tile)) continue; + if (::IsTileType(tile, MP_INDUSTRY) && ::GetIndustryIndex(tile) == i->index) continue; + bta.SetTile(tile); + } + } + } +} + ScriptTileList_IndustryAccepting::ScriptTileList_IndustryAccepting(IndustryID industry_id, int radius) { if (!ScriptIndustry::IsValidIndustry(industry_id) || radius <= 0) return; @@ -66,12 +92,11 @@ ScriptTileList_IndustryAccepting::ScriptTileList_IndustryAccepting(IndustryID in if (!_settings_game.station.modified_catchment) radius = CA_UNMODIFIED; - TileArea ta = TileArea(i->location).Expand(radius); - TILE_AREA_LOOP(cur_tile, ta) { - if (!::IsValidTile(cur_tile)) continue; - /* Exclude all tiles that belong to this industry */ - if (::IsTileType(cur_tile, MP_INDUSTRY) && ::GetIndustryIndex(cur_tile) == industry_id) continue; + BitmapTileArea bta(TileArea(i->location).Expand(radius)); + FillIndustryCatchment(i, radius, bta); + BitmapTileIterator it(bta); + for (TileIndex cur_tile = it; cur_tile != INVALID_TILE; cur_tile = ++it) { /* Only add the tile if it accepts the cargo (sometimes just 1 tile of an * industry triggers the acceptance). */ CargoArray acceptance = ::GetAcceptanceAroundTiles(cur_tile, 1, 1, radius); @@ -102,12 +127,11 @@ ScriptTileList_IndustryProducing::ScriptTileList_IndustryProducing(IndustryID in if (!_settings_game.station.modified_catchment) radius = CA_UNMODIFIED; - TileArea ta = TileArea(i->location).Expand(radius); - TILE_AREA_LOOP(cur_tile, ta) { - if (!::IsValidTile(cur_tile)) continue; - /* Exclude all tiles that belong to this industry */ - if (::IsTileType(cur_tile, MP_INDUSTRY) && ::GetIndustryIndex(cur_tile) == industry_id) continue; + BitmapTileArea bta(TileArea(i->location).Expand(radius)); + FillIndustryCatchment(i, radius, bta); + BitmapTileIterator it(bta); + for (TileIndex cur_tile = it; cur_tile != INVALID_TILE; cur_tile = ++it) { this->AddTile(cur_tile); } } |