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@@ -643,49 +643,49 @@ static void DeleteStationIfEmpty(BaseSta
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/* station remains but it probably lost some parts - station sign should stay in the station boundaries */
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UpdateStationSignCoord(st);
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}
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CommandCost ClearTile_Station(TileIndex tile, DoCommandFlag flags);
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/**
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* Checks if the given tile is buildable, flat and has a certain height.
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* @param tile TileIndex to check.
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* @param invalid_dirs Prohibited directions for slopes (set of #DiagDirection).
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* @param allowed_z Height allowed for the tile. If allowed_z is negative, it will be set to the height of this tile.
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* @param allow_steep Whether steep slopes are allowed.
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* @param check_bridge Check for the existance of a bridge.
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* @return The cost in case of success, or an error code if it failed.
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*/
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CommandCost CheckBuildableTile(TileIndex tile, uint invalid_dirs, int &allowed_z, bool allow_steep, bool check_bridge = true)
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{
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if (check_bridge && MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) {
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return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
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}
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CommandCost ret = EnsureNoVehicleOnGround(tile);
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if (ret.Failed()) return ret;
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uint z;
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int z;
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Slope tileh = GetTileSlope(tile, &z);
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/* Prohibit building if
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* 1) The tile is "steep" (i.e. stretches two height levels).
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* 2) The tile is non-flat and the build_on_slopes switch is disabled.
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*/
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if ((!allow_steep && IsSteepSlope(tileh)) ||
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((!_settings_game.construction.build_on_slopes) && tileh != SLOPE_FLAT)) {
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return_cmd_error(STR_ERROR_FLAT_LAND_REQUIRED);
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}
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CommandCost cost(EXPENSES_CONSTRUCTION);
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int flat_z = z + GetSlopeMaxZ(tileh);
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if (tileh != SLOPE_FLAT) {
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/* Forbid building if the tile faces a slope in a invalid direction. */
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for (DiagDirection dir = DIAGDIR_BEGIN; dir != DIAGDIR_END; dir++) {
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if (HasBit(invalid_dirs, dir) && !CanBuildDepotByTileh(dir, tileh)) {
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return_cmd_error(STR_ERROR_FLAT_LAND_REQUIRED);
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}
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}
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cost.AddCost(_price[PR_BUILD_FOUNDATION]);
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}
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/* The level of this tile must be equal to allowed_z. */
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@@ -2563,49 +2563,49 @@ static void DrawTile_Station(TileInfo *t
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case APT_GRASS_FENCE_NE_FLAG_2:
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t = &_station_display_datas_airport_flag_grass_fence_ne_2[GetAnimationFrame(ti->tile)];
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break;
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}
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}
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Owner owner = GetTileOwner(ti->tile);
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PaletteID palette;
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if (Company::IsValidID(owner)) {
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palette = COMPANY_SPRITE_COLOUR(owner);
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} else {
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/* Some stations are not owner by a company, namely oil rigs */
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palette = PALETTE_TO_GREY;
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}
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if (layout == NULL && (t == NULL || t->seq == NULL)) t = GetStationTileLayout(GetStationType(ti->tile), GetStationGfx(ti->tile));
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/* don't show foundation for docks */
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if (ti->tileh != SLOPE_FLAT && !IsDock(ti->tile)) {
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if (statspec != NULL && HasBit(statspec->flags, SSF_CUSTOM_FOUNDATIONS)) {
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/* Station has custom foundations.
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* Check whether the foundation continues beyond the tile's upper sides. */
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uint edge_info = 0;
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uint z;
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int z;
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Slope slope = GetFoundationPixelSlope(ti->tile, &z);
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if (!HasFoundationNW(ti->tile, slope, z)) SetBit(edge_info, 0);
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if (!HasFoundationNE(ti->tile, slope, z)) SetBit(edge_info, 1);
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SpriteID image = GetCustomStationFoundationRelocation(statspec, st, ti->tile, tile_layout, edge_info);
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if (HasBit(statspec->flags, SSF_EXTENDED_FOUNDATIONS)) {
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/* Station provides extended foundations. */
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static const uint8 foundation_parts[] = {
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0, 0, 0, 0, // Invalid, Invalid, Invalid, SLOPE_SW
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0, 1, 2, 3, // Invalid, SLOPE_EW, SLOPE_SE, SLOPE_WSE
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0, 4, 5, 6, // Invalid, SLOPE_NW, SLOPE_NS, SLOPE_NWS
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7, 8, 9 // SLOPE_NE, SLOPE_ENW, SLOPE_SEN
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};
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AddSortableSpriteToDraw(image + foundation_parts[ti->tileh], PAL_NONE, ti->x, ti->y, 16, 16, 7, ti->z);
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} else {
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/* Draw simple foundations, built up from 8 possible foundation sprites. */
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/* Each set bit represents one of the eight composite sprites to be drawn.
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* 'Invalid' entries will not drawn but are included for completeness. */
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static const uint8 composite_foundation_parts[] = {
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/* Invalid (00000000), Invalid (11010001), Invalid (11100100), SLOPE_SW (11100000) */
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0x00, 0xD1, 0xE4, 0xE0,
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