/* $Id$ */ /** @file road_cmd.cpp */ #include "stdafx.h" #include "openttd.h" #include "bridge_map.h" #include "bridge.h" #include "cmd_helper.h" #include "rail_map.h" #include "road_map.h" #include "sprite.h" #include "table/sprites.h" #include "table/strings.h" #include "functions.h" #include "map.h" #include "landscape.h" #include "tile.h" #include "town_map.h" #include "vehicle.h" #include "viewport.h" #include "command.h" #include "player.h" #include "town.h" #include "gfx.h" #include "sound.h" #include "yapf/yapf.h" #include "depot.h" static uint CountRoadBits(RoadBits r) { uint count = 0; if (r & ROAD_NW) ++count; if (r & ROAD_SW) ++count; if (r & ROAD_SE) ++count; if (r & ROAD_NE) ++count; return count; } bool CheckAllowRemoveRoad(TileIndex tile, RoadBits remove, Owner owner, bool *edge_road) { RoadBits present; RoadBits n; *edge_road = true; if (_game_mode == GM_EDITOR) return true; /* Only do the special processing for actual players. */ if (!IsValidPlayer(_current_player)) return true; /* Only do the special processing if the road is owned * by a town */ if (owner != OWNER_TOWN) return (owner == OWNER_NONE) || CheckOwnership(owner); if (_cheats.magic_bulldozer.value) return true; /* Get a bitmask of which neighbouring roads has a tile */ n = ROAD_NONE; present = GetAnyRoadBits(tile); if (present & ROAD_NE && GetAnyRoadBits(TILE_ADDXY(tile, -1, 0)) & ROAD_SW) n |= ROAD_NE; if (present & ROAD_SE && GetAnyRoadBits(TILE_ADDXY(tile, 0, 1)) & ROAD_NW) n |= ROAD_SE; if (present & ROAD_SW && GetAnyRoadBits(TILE_ADDXY(tile, 1, 0)) & ROAD_NE) n |= ROAD_SW; if (present & ROAD_NW && GetAnyRoadBits(TILE_ADDXY(tile, 0, -1)) & ROAD_SE) n |= ROAD_NW; /* If 0 or 1 bits are set in n, or if no bits that match the bits to remove, * then allow it */ if ((n & (n - 1)) != 0 && (n & remove) != 0) { Town *t; *edge_road = false; /* you can remove all kind of roads with extra dynamite */ if (_patches.extra_dynamite) return true; t = ClosestTownFromTile(tile, (uint)-1); SetDParam(0, t->index); _error_message = STR_2009_LOCAL_AUTHORITY_REFUSES; return false; } return true; } static bool CheckAllowRemoveRoad(TileIndex tile, RoadBits remove, bool *edge_road) { return CheckAllowRemoveRoad(tile, remove, IsLevelCrossingTile(tile) ? GetCrossingRoadOwner(tile) : GetTileOwner(tile), edge_road); } /** Delete a piece of road. * @param tile tile where to remove road from * @param flags operation to perform * @param p1 bit 0..3 road pieces to remove (RoadBits) * @param p2 unused */ int32 CmdRemoveRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) { /* cost for removing inner/edge -roads */ static const uint16 road_remove_cost[2] = {50, 18}; Owner owner; Town *t; /* true if the roadpiece was always removeable, * false if it was a center piece. Affects town ratings drop */ bool edge_road; SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); if (!IsTileType(tile, MP_STREET)) return CMD_ERROR; owner = IsLevelCrossingTile(tile) ? GetCrossingRoadOwner(tile) : GetTileOwner(tile); if (owner == OWNER_TOWN && _game_mode != GM_EDITOR) { t = GetTownByTile(tile); } else { t = NULL; } RoadBits pieces = Extract(p1); if (!CheckAllowRemoveRoad(tile, pieces, &edge_road)) return CMD_ERROR; if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR; /* check if you're allowed to remove the street owned by a town * removal allowance depends on difficulty setting */ if (!CheckforTownRating(flags, t, ROAD_REMOVE)) return CMD_ERROR; switch (GetRoadTileType(tile)) { case ROAD_TILE_NORMAL: { RoadBits present = GetRoadBits(tile); RoadBits c = pieces; if (HasRoadWorks(tile)) return_cmd_error(STR_ROAD_WORKS_IN_PROGRESS); if (GetTileSlope(tile, NULL) != SLOPE_FLAT && (present == ROAD_Y || present == ROAD_X)) { c |= (RoadBits)((c & 0xC) >> 2); c |= (RoadBits)((c & 0x3) << 2); } /* limit the bits to delete to the existing bits. */ c &= present; if (c == 0) return CMD_ERROR; if (flags & DC_EXEC) { ChangeTownRating(t, -road_remove_cost[(byte)edge_road], RATING_ROAD_MINIMUM); present ^= c; if (present == 0) { DoClearSquare(tile); } else { SetRoadBits(tile, present); MarkTileDirtyByTile(tile); } } return CountRoadBits(c) * _price.remove_road; } case ROAD_TILE_CROSSING: { if (pieces & ComplementRoadBits(GetCrossingRoadBits(tile))) { return CMD_ERROR; } if (flags & DC_EXEC) { ChangeTownRating(t, -road_remove_cost[(byte)edge_road], RATING_ROAD_MINIMUM); MakeRailNormal(tile, GetTileOwner(tile), GetCrossingRailBits(tile), GetRailType(tile)); MarkTileDirtyByTile(tile); YapfNotifyTrackLayoutChange(tile, FindFirstTrack(GetTrackBits(tile))); } return _price.remove_road * 2; } default: case ROAD_TILE_DEPOT: return CMD_ERROR; } } static const RoadBits _valid_tileh_slopes_road[][15] = { /* set of normal ones */ { ROAD_ALL, ROAD_NONE, ROAD_NONE, ROAD_X, ROAD_NONE, ROAD_NONE, // 3, 4, 5 ROAD_Y, ROAD_NONE, ROAD_NONE, ROAD_Y, ROAD_NONE, ROAD_NONE, // 9, 10, 11 ROAD_X, ROAD_NONE, ROAD_NONE }, /* allowed road for an evenly raised platform */ { ROAD_NONE, ROAD_SW | ROAD_NW, ROAD_SW | ROAD_SE, ROAD_Y | ROAD_SW, ROAD_SE | ROAD_NE, // 4 ROAD_ALL, ROAD_X | ROAD_SE, ROAD_ALL, ROAD_NW | ROAD_NE, // 8 ROAD_X | ROAD_NW, ROAD_ALL, ROAD_ALL, ROAD_Y | ROAD_NE, // 12 ROAD_ALL, ROAD_ALL }, }; static uint32 CheckRoadSlope(Slope tileh, RoadBits* pieces, RoadBits existing) { RoadBits road_bits; if (IsSteepSlope(tileh)) { if (existing == 0) { /* force full pieces. */ *pieces |= (RoadBits)((*pieces & 0xC) >> 2); *pieces |= (RoadBits)((*pieces & 0x3) << 2); if (*pieces == ROAD_X || *pieces == ROAD_Y) return _price.terraform; } return CMD_ERROR; } road_bits = *pieces | existing; /* no special foundation */ if ((~_valid_tileh_slopes_road[0][tileh] & road_bits) == 0) { /* force that all bits are set when we have slopes */ if (tileh != SLOPE_FLAT) *pieces |= _valid_tileh_slopes_road[0][tileh]; return 0; // no extra cost } /* foundation is used. Whole tile is leveled up */ if ((~_valid_tileh_slopes_road[1][tileh] & road_bits) == 0) { return existing != 0 ? 0 : _price.terraform; } /* partly leveled up tile, only if there's no road on that tile */ if (existing == 0 && (tileh == SLOPE_W || tileh == SLOPE_S || tileh == SLOPE_E || tileh == SLOPE_N)) { /* force full pieces. */ *pieces |= (RoadBits)((*pieces & 0xC) >> 2); *pieces |= (RoadBits)((*pieces & 0x3) << 2); if (*pieces == ROAD_X || *pieces == ROAD_Y) return _price.terraform; } return CMD_ERROR; } /** Build a piece of road. * @param tile tile where to build road * @param flags operation to perform * @param p1 bit 0..3 road pieces to build (RoadBits) * @param p2 the town that is building the road (0 if not applicable) */ int32 CmdBuildRoad(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) { int32 cost = 0; int32 ret; RoadBits existing = ROAD_NONE; Slope tileh; SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); /* Road pieces are max 4 bitset values (NE, NW, SE, SW) and town can only be non-zero * if a non-player is building the road */ if ((IsValidPlayer(_current_player) && p2 != 0) || (_current_player == OWNER_TOWN && !IsValidTownID(p2))) return CMD_ERROR; RoadBits pieces = Extract(p1); tileh = GetTileSlope(tile, NULL); switch (GetTileType(tile)) { case MP_STREET: switch (GetRoadTileType(tile)) { case ROAD_TILE_NORMAL: if (HasRoadWorks(tile)) return_cmd_error(STR_ROAD_WORKS_IN_PROGRESS); existing = GetRoadBits(tile); if ((existing & pieces) == pieces) { return_cmd_error(STR_1007_ALREADY_BUILT); } if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR; break; case ROAD_TILE_CROSSING: if (pieces != GetCrossingRoadBits(tile)) { // XXX is this correct? return_cmd_error(STR_1007_ALREADY_BUILT); } goto do_clear; default: case ROAD_TILE_DEPOT: goto do_clear; } break; case MP_RAILWAY: { Axis roaddir; if (IsSteepSlope(tileh)) { return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION); } #define M(x) (1 << (x)) /* Level crossings may only be built on these slopes */ if (!HASBIT(M(SLOPE_SEN) | M(SLOPE_ENW) | M(SLOPE_NWS) | M(SLOPE_NS) | M(SLOPE_WSE) | M(SLOPE_EW) | M(SLOPE_FLAT), tileh)) { return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION); } #undef M if (GetRailTileType(tile) != RAIL_TILE_NORMAL) goto do_clear; switch (GetTrackBits(tile)) { case TRACK_BIT_X: if (pieces & ROAD_X) goto do_clear; roaddir = AXIS_Y; break; case TRACK_BIT_Y: if (pieces & ROAD_Y) goto do_clear; roaddir = AXIS_X; break; default: goto do_clear; } if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR; if (flags & DC_EXEC) { YapfNotifyTrackLayoutChange(tile, FindFirstTrack(GetTrackBits(tile))); MakeRoadCrossing(tile, _current_player, GetTileOwner(tile), roaddir, GetRailType(tile), p2); MarkTileDirtyByTile(tile); } return _price.build_road * 2; } default: do_clear:; ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); if (CmdFailed(ret)) return ret; cost += ret; } ret = CheckRoadSlope(tileh, &pieces, existing); /* Return an error if we need to build a foundation (ret != 0) but the * current patch-setting is turned off (or stupid AI@work) */ if (CmdFailed(ret) || (ret != 0 && (!_patches.build_on_slopes || _is_old_ai_player))) return_cmd_error(STR_1000_LAND_SLOPED_IN_WRONG_DIRECTION); cost += ret; if (IsTileType(tile, MP_STREET)) { /* Don't put the pieces that already exist */ pieces &= ComplementRoadBits(existing); } cost += CountRoadBits(pieces) * _price.build_road; if (flags & DC_EXEC) { if (IsTileType(tile, MP_STREET)) { SetRoadBits(tile, existing | pieces); } else { MakeRoadNormal(tile, _current_player, pieces, p2); } MarkTileDirtyByTile(tile); } return cost; } /** * Switches the rail type on a level crossing. * @param tile The tile on which the railtype is to be convert. * @param totype The railtype we want to convert to * @param exec Switches between test and execute mode * @return The cost and state of the operation * @retval CMD_ERROR An error occured during the operation. */ int32 DoConvertStreetRail(TileIndex tile, RailType totype, bool exec) { /* not a railroad crossing? */ if (!IsLevelCrossing(tile)) return CMD_ERROR; /* not owned by me? */ if (!CheckTileOwnership(tile) || !EnsureNoVehicleOnGround(tile)) return CMD_ERROR; if (GetRailType(tile) == totype) return CMD_ERROR; /* 'hidden' elrails can't be downgraded to normal rail when elrails are disabled */ if (_patches.disable_elrails && totype == RAILTYPE_RAIL && GetRailType(tile) == RAILTYPE_ELECTRIC) return CMD_ERROR; if (exec) { SetRailType(tile, totype); MarkTileDirtyByTile(tile); YapfNotifyTrackLayoutChange(tile, FindFirstTrack(GetCrossingRailBits(tile))); } return _price.build_rail / 2; } /** Build a long piece of road. * @param end_tile end tile of drag * @param flags operation to perform * @param p1 start tile of drag * @param p2 various bitstuffed elements * - p2 = (bit 0) - start tile starts in the 2nd half of tile (p2 & 1) * - p2 = (bit 1) - end tile starts in the 2nd half of tile (p2 & 2) * - p2 = (bit 2) - direction: 0 = along x-axis, 1 = along y-axis (p2 & 4) */ int32 CmdBuildLongRoad(TileIndex end_tile, uint32 flags, uint32 p1, uint32 p2) { TileIndex start_tile, tile; int32 cost, ret; SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); if (p1 >= MapSize()) return CMD_ERROR; start_tile = p1; /* Only drag in X or Y direction dictated by the direction variable */ if (!HASBIT(p2, 2) && TileY(start_tile) != TileY(end_tile)) return CMD_ERROR; // x-axis if (HASBIT(p2, 2) && TileX(start_tile) != TileX(end_tile)) return CMD_ERROR; // y-axis /* Swap start and ending tile, also the half-tile drag var (bit 0 and 1) */ if (start_tile > end_tile || (start_tile == end_tile && HASBIT(p2, 0))) { TileIndex t = start_tile; start_tile = end_tile; end_tile = t; p2 ^= IS_INT_INSIDE(p2 & 3, 1, 3) ? 3 : 0; } cost = 0; tile = start_tile; /* Start tile is the small number. */ for (;;) { RoadBits bits = HASBIT(p2, 2) ? ROAD_Y : ROAD_X; if (tile == end_tile && !HASBIT(p2, 1)) bits &= ROAD_NW | ROAD_NE; if (tile == start_tile && HASBIT(p2, 0)) bits &= ROAD_SE | ROAD_SW; ret = DoCommand(tile, bits, 0, flags, CMD_BUILD_ROAD); if (CmdFailed(ret)) { if (_error_message != STR_1007_ALREADY_BUILT) return CMD_ERROR; _error_message = INVALID_STRING_ID; } else { cost += ret; } if (tile == end_tile) break; tile += HASBIT(p2, 2) ? TileDiffXY(0, 1) : TileDiffXY(1, 0); } return (cost == 0) ? CMD_ERROR : cost; } /** Remove a long piece of road. * @param end_tile end tile of drag * @param flags operation to perform * @param p1 start tile of drag * @param p2 various bitstuffed elements * - p2 = (bit 0) - start tile starts in the 2nd half of tile (p2 & 1) * - p2 = (bit 1) - end tile starts in the 2nd half of tile (p2 & 2) * - p2 = (bit 2) - direction: 0 = along x-axis, 1 = along y-axis (p2 & 4) */ int32 CmdRemoveLongRoad(TileIndex end_tile, uint32 flags, uint32 p1, uint32 p2) { TileIndex start_tile, tile; int32 cost, ret; SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); if (p1 >= MapSize()) return CMD_ERROR; start_tile = p1; /* Only drag in X or Y direction dictated by the direction variable */ if (!HASBIT(p2, 2) && TileY(start_tile) != TileY(end_tile)) return CMD_ERROR; // x-axis if (HASBIT(p2, 2) && TileX(start_tile) != TileX(end_tile)) return CMD_ERROR; // y-axis /* Swap start and ending tile, also the half-tile drag var (bit 0 and 1) */ if (start_tile > end_tile || (start_tile == end_tile && HASBIT(p2, 0))) { TileIndex t = start_tile; start_tile = end_tile; end_tile = t; p2 ^= IS_INT_INSIDE(p2 & 3, 1, 3) ? 3 : 0; } cost = 0; tile = start_tile; /* Start tile is the small number. */ for (;;) { RoadBits bits = HASBIT(p2, 2) ? ROAD_Y : ROAD_X; if (tile == end_tile && !HASBIT(p2, 1)) bits &= ROAD_NW | ROAD_NE; if (tile == start_tile && HASBIT(p2, 0)) bits &= ROAD_SE | ROAD_SW; /* try to remove the halves. */ if (bits != 0) { ret = DoCommand(tile, bits, 0, flags, CMD_REMOVE_ROAD); if (!CmdFailed(ret)) cost += ret; } if (tile == end_tile) break; tile += HASBIT(p2, 2) ? TileDiffXY(0, 1) : TileDiffXY(1, 0); } return (cost == 0) ? CMD_ERROR : cost; } /** Build a road depot. * @param tile tile where to build the depot * @param flags operation to perform * @param p1 bit 0..1 entrance direction (DiagDirection) * @param p2 unused * * @todo When checking for the tile slope, * distingush between "Flat land required" and "land sloped in wrong direction" */ int32 CmdBuildRoadDepot(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) { int32 cost; Depot *dep; Slope tileh; SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); DiagDirection dir = Extract(p1); tileh = GetTileSlope(tile, NULL); if (tileh != SLOPE_FLAT && ( !_patches.build_on_slopes || IsSteepSlope(tileh) || !CanBuildDepotByTileh(dir, tileh) )) { return_cmd_error(STR_0007_FLAT_LAND_REQUIRED); } cost = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); if (CmdFailed(cost)) return CMD_ERROR; if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) return_cmd_error(STR_5007_MUST_DEMOLISH_BRIDGE_FIRST); dep = AllocateDepot(); if (dep == NULL) return CMD_ERROR; if (flags & DC_EXEC) { dep->xy = tile; dep->town_index = ClosestTownFromTile(tile, (uint)-1)->index; MakeRoadDepot(tile, _current_player, dir); MarkTileDirtyByTile(tile); } return cost + _price.build_road_depot; } static int32 RemoveRoadDepot(TileIndex tile, uint32 flags) { if (!CheckTileOwnership(tile) && _current_player != OWNER_WATER) return CMD_ERROR; if (!EnsureNoVehicle(tile)) return CMD_ERROR; if (flags & DC_EXEC) DeleteDepot(GetDepotByTile(tile)); return _price.remove_road_depot; } static int32 ClearTile_Road(TileIndex tile, byte flags) { switch (GetRoadTileType(tile)) { case ROAD_TILE_NORMAL: { RoadBits b = GetRoadBits(tile); #define M(x) (1 << (x)) /* Clear the road if only one piece is on the tile OR the AI tries * to clear town road OR we are not using the DC_AUTO flag */ if ((M(b) & (M(ROAD_NW) | M(ROAD_SW) | M(ROAD_SE) | M(ROAD_NE))) || ((flags & DC_AI_BUILDING) && IsTileOwner(tile, OWNER_TOWN)) || !(flags & DC_AUTO) ) { return DoCommand(tile, b, 0, flags, CMD_REMOVE_ROAD); } return_cmd_error(STR_1801_MUST_REMOVE_ROAD_FIRST); } #undef M case ROAD_TILE_CROSSING: { int32 ret; if (flags & DC_AUTO) return_cmd_error(STR_1801_MUST_REMOVE_ROAD_FIRST); ret = DoCommand(tile, GetCrossingRoadBits(tile), 0, flags, CMD_REMOVE_ROAD); if (CmdFailed(ret)) return CMD_ERROR; if (flags & DC_EXEC) { DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR); } return ret; } default: case ROAD_TILE_DEPOT: if (flags & DC_AUTO) { return_cmd_error(STR_2004_BUILDING_MUST_BE_DEMOLISHED); } return RemoveRoadDepot(tile, flags); } } struct DrawRoadTileStruct { uint16 image; byte subcoord_x; byte subcoord_y; }; #include "table/road_land.h" uint GetRoadFoundation(Slope tileh, RoadBits bits) { uint i; /* normal level sloped building */ if (!IsSteepSlope(tileh) && (~_valid_tileh_slopes_road[1][tileh] & bits) == 0) { return tileh; } /* inclined sloped building */ switch (bits) { case ROAD_X: i = 0; break; case ROAD_Y: i = 1; break; default: return 0; } switch (tileh) { case SLOPE_W: case SLOPE_STEEP_W: i += 0; break; case SLOPE_S: case SLOPE_STEEP_S: i += 2; break; case SLOPE_E: case SLOPE_STEEP_E: i += 4; break; case SLOPE_N: case SLOPE_STEEP_N: i += 6; break; default: return 0; } return i + 15; } const byte _road_sloped_sprites[14] = { 0, 0, 2, 0, 0, 1, 0, 0, 3, 0, 0, 0, 0, 0 }; /** * Draw ground sprite and road pieces * @param ti TileInfo */ static void DrawRoadBits(TileInfo* ti) { RoadBits road = GetRoadBits(ti->tile); const DrawRoadTileStruct *drts; SpriteID image = 0; SpriteID pal = PAL_NONE; Roadside roadside; if (ti->tileh != SLOPE_FLAT) { int foundation = GetRoadFoundation(ti->tileh, road); if (foundation != 0) DrawFoundation(ti, foundation); /* DrawFoundation() modifies ti. * Default sloped sprites.. */ if (ti->tileh != SLOPE_FLAT) image = _road_sloped_sprites[ti->tileh - 1] + 0x53F; } if (image == 0) image = _road_tile_sprites_1[road]; roadside = GetRoadside(ti->tile); if (IsOnSnow(ti->tile)) { image += 19; } else { switch (roadside) { case ROADSIDE_BARREN: pal = PALETTE_TO_BARE_LAND; break; case ROADSIDE_GRASS: break; case ROADSIDE_GRASS_ROAD_WORKS: break; default: image -= 19; break; // Paved } } DrawGroundSprite(image, pal); if (HasRoadWorks(ti->tile)) { /* Road works */ DrawGroundSprite(road & ROAD_X ? SPR_EXCAVATION_X : SPR_EXCAVATION_Y, PAL_NONE); return; } /* Return if full detail is disabled, or we are zoomed fully out. */ if (!(_display_opt & DO_FULL_DETAIL) || _cur_dpi->zoom == 2) return; /* Draw extra details. */ for (drts = _road_display_table[roadside][road]; drts->image != 0; drts++) { int x = ti->x | drts->subcoord_x; int y = ti->y | drts->subcoord_y; byte z = ti->z; if (ti->tileh != SLOPE_FLAT) z = GetSlopeZ(x, y); AddSortableSpriteToDraw(drts->image, PAL_NONE, x, y, 2, 2, 0x10, z); } } static void DrawTile_Road(TileInfo *ti) { switch (GetRoadTileType(ti->tile)) { case ROAD_TILE_NORMAL: DrawRoadBits(ti); break; case ROAD_TILE_CROSSING: { SpriteID image; SpriteID pal = PAL_NONE; if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, ti->tileh); image = GetRailTypeInfo(GetRailType(ti->tile))->base_sprites.crossing; if (GetCrossingRoadAxis(ti->tile) == AXIS_X) image++; if (IsCrossingBarred(ti->tile)) image += 2; if (IsOnSnow(ti->tile)) { image += 8; } else { switch (GetRoadside(ti->tile)) { case ROADSIDE_BARREN: pal = PALETTE_TO_BARE_LAND; break; case ROADSIDE_GRASS: break; default: image += 4; break; // Paved } } DrawGroundSprite(image, pal); if (GetRailType(ti->tile) == RAILTYPE_ELECTRIC) DrawCatenary(ti); break; } default: case ROAD_TILE_DEPOT: { const DrawTileSprites* dts; const DrawTileSeqStruct* dtss; SpriteID palette; if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, ti->tileh); palette = PLAYER_SPRITE_COLOR(GetTileOwner(ti->tile)); dts = &_road_depot[GetRoadDepotDirection(ti->tile)]; DrawGroundSprite(dts->ground_sprite, PAL_NONE); for (dtss = dts->seq; dtss->image != 0; dtss++) { SpriteID image = dtss->image; SpriteID pal; if (HASBIT(_transparent_opt, TO_BUILDINGS)) { SETBIT(image, PALETTE_MODIFIER_TRANSPARENT); pal = PALETTE_TO_TRANSPARENT; } else if (HASBIT(image, PALETTE_MODIFIER_COLOR)) { pal = palette; } else { pal = PAL_NONE; } AddSortableSpriteToDraw( image, pal, ti->x + dtss->delta_x, ti->y + dtss->delta_y, dtss->size_x, dtss->size_y, dtss->size_z, ti->z ); } break; } } DrawBridgeMiddle(ti); } void DrawRoadDepotSprite(int x, int y, DiagDirection dir) { SpriteID palette = PLAYER_SPRITE_COLOR(_local_player); const DrawTileSprites* dts = &_road_depot[dir]; const DrawTileSeqStruct* dtss; x += 33; y += 17; DrawSprite(dts->ground_sprite, PAL_NONE, x, y); for (dtss = dts->seq; dtss->image != 0; dtss++) { Point pt = RemapCoords(dtss->delta_x, dtss->delta_y, dtss->delta_z); SpriteID image = dtss->image; DrawSprite(image, HASBIT(image, PALETTE_MODIFIER_COLOR) ? palette : PAL_NONE, x + pt.x, y + pt.y); } } static uint GetSlopeZ_Road(TileIndex tile, uint x, uint y) { uint z; Slope tileh = GetTileSlope(tile, &z); if (tileh == SLOPE_FLAT) return z; if (GetRoadTileType(tile) == ROAD_TILE_NORMAL) { uint f = GetRoadFoundation(tileh, GetRoadBits(tile)); if (f != 0) { if (IsSteepSlope(tileh)) { z += TILE_HEIGHT; } else if (f < 15) { return z + TILE_HEIGHT; // leveled foundation } tileh = _inclined_tileh[f - 15]; // inclined foundation } return z + GetPartialZ(x & 0xF, y & 0xF, tileh); } else { return z + TILE_HEIGHT; } } static Slope GetSlopeTileh_Road(TileIndex tile, Slope tileh) { if (tileh == SLOPE_FLAT) return SLOPE_FLAT; if (GetRoadTileType(tile) == ROAD_TILE_NORMAL) { uint f = GetRoadFoundation(tileh, GetRoadBits(tile)); if (f == 0) return tileh; if (f < 15) return SLOPE_FLAT; // leveled foundation return _inclined_tileh[f - 15]; // inclined foundation } else { return SLOPE_FLAT; } } static void GetAcceptedCargo_Road(TileIndex tile, AcceptedCargo ac) { /* not used */ } static void AnimateTile_Road(TileIndex tile) { if (IsLevelCrossing(tile)) MarkTileDirtyByTile(tile); } static const Roadside _town_road_types[][2] = { { ROADSIDE_GRASS, ROADSIDE_GRASS }, { ROADSIDE_PAVED, ROADSIDE_PAVED }, { ROADSIDE_PAVED, ROADSIDE_PAVED }, { ROADSIDE_TREES, ROADSIDE_TREES }, { ROADSIDE_STREET_LIGHTS, ROADSIDE_PAVED } }; static const Roadside _town_road_types_2[][2] = { { ROADSIDE_GRASS, ROADSIDE_GRASS }, { ROADSIDE_PAVED, ROADSIDE_PAVED }, { ROADSIDE_STREET_LIGHTS, ROADSIDE_PAVED }, { ROADSIDE_STREET_LIGHTS, ROADSIDE_PAVED }, { ROADSIDE_STREET_LIGHTS, ROADSIDE_PAVED } }; static void TileLoop_Road(TileIndex tile) { switch (_opt.landscape) { case LT_ARCTIC: if (IsOnSnow(tile) != (GetTileZ(tile) > GetSnowLine())) { ToggleSnow(tile); MarkTileDirtyByTile(tile); } break; case LT_TROPIC: if (GetTropicZone(tile) == TROPICZONE_DESERT && !IsOnDesert(tile)) { ToggleDesert(tile); MarkTileDirtyByTile(tile); } break; } if (GetRoadTileType(tile) == ROAD_TILE_DEPOT) return; if (!HasRoadWorks(tile)) { const Town* t = ClosestTownFromTile(tile, (uint)-1); int grp = 0; if (t != NULL) { grp = GetTownRadiusGroup(t, tile); /* Show an animation to indicate road work */ if (t->road_build_months != 0 && (DistanceManhattan(t->xy, tile) < 8 || grp != 0) && GetRoadTileType(tile) == ROAD_TILE_NORMAL && (GetRoadBits(tile) == ROAD_X || GetRoadBits(tile) == ROAD_Y)) { if (GetTileSlope(tile, NULL) == SLOPE_FLAT && EnsureNoVehicleOnGround(tile) && CHANCE16(1, 20)) { StartRoadWorks(tile); SndPlayTileFx(SND_21_JACKHAMMER, tile); CreateEffectVehicleAbove( TileX(tile) * TILE_SIZE + 7, TileY(tile) * TILE_SIZE + 7, 0, EV_BULLDOZER); MarkTileDirtyByTile(tile); return; } } } { /* Adjust road ground type depending on 'grp' (grp is the distance to the center) */ const Roadside* new_rs = (_opt.landscape == LT_TOYLAND) ? _town_road_types_2[grp] : _town_road_types[grp]; Roadside cur_rs = GetRoadside(tile); /* We have our desired type, do nothing */ if (cur_rs == new_rs[0]) return; /* We have the pre-type of the desired type, switch to the desired type */ if (cur_rs == new_rs[1]) { cur_rs = new_rs[0]; /* We have barren land, install the pre-type */ } else if (cur_rs == ROADSIDE_BARREN) { cur_rs = new_rs[1]; /* We're totally off limits, remove any installation and make barren land */ } else { cur_rs = ROADSIDE_BARREN; } SetRoadside(tile, cur_rs); MarkTileDirtyByTile(tile); } } else if (IncreaseRoadWorksCounter(tile)) { TerminateRoadWorks(tile); MarkTileDirtyByTile(tile); } } static void ClickTile_Road(TileIndex tile) { if (GetRoadTileType(tile) == ROAD_TILE_DEPOT) ShowDepotWindow(tile, VEH_ROAD); } static const byte _road_trackbits[16] = { 0x0, 0x0, 0x0, 0x10, 0x0, 0x2, 0x8, 0x1A, 0x0, 0x4, 0x1, 0x15, 0x20, 0x26, 0x29, 0x3F, }; static uint32 GetTileTrackStatus_Road(TileIndex tile, TransportType mode) { switch (mode) { case TRANSPORT_RAIL: if (!IsLevelCrossing(tile)) return 0; return GetCrossingRailBits(tile) * 0x101; case TRANSPORT_ROAD: switch (GetRoadTileType(tile)) { case ROAD_TILE_NORMAL: return HasRoadWorks(tile) ? 0 : _road_trackbits[GetRoadBits(tile)] * 0x101; case ROAD_TILE_CROSSING: { uint32 r = AxisToTrackBits(GetCrossingRoadAxis(tile)) * 0x101; if (IsCrossingBarred(tile)) r *= 0x10001; return r; } default: case ROAD_TILE_DEPOT: return AxisToTrackBits(DiagDirToAxis(GetRoadDepotDirection(tile))) * 0x101; } break; default: break; } return 0; } static const StringID _road_tile_strings[] = { STR_1814_ROAD, STR_1814_ROAD, STR_1814_ROAD, STR_1815_ROAD_WITH_STREETLIGHTS, STR_1814_ROAD, STR_1816_TREE_LINED_ROAD, STR_1814_ROAD, STR_1814_ROAD, }; static void GetTileDesc_Road(TileIndex tile, TileDesc *td) { td->owner = GetTileOwner(tile); switch (GetRoadTileType(tile)) { case ROAD_TILE_CROSSING: td->str = STR_1818_ROAD_RAIL_LEVEL_CROSSING; break; case ROAD_TILE_DEPOT: td->str = STR_1817_ROAD_VEHICLE_DEPOT; break; default: td->str = _road_tile_strings[GetRoadside(tile)]; break; } } static const byte _roadveh_enter_depot_unk0[4] = { 8, 9, 0, 1 }; static uint32 VehicleEnter_Road(Vehicle *v, TileIndex tile, int x, int y) { switch (GetRoadTileType(tile)) { case ROAD_TILE_CROSSING: if (v->type == VEH_TRAIN && !IsCrossingBarred(tile)) { /* train crossing a road */ SndPlayVehicleFx(SND_0E_LEVEL_CROSSING, v); BarCrossing(tile); MarkTileDirtyByTile(tile); } break; case ROAD_TILE_DEPOT: if (v->type == VEH_ROAD && v->u.road.frame == 11 && _roadveh_enter_depot_unk0[GetRoadDepotDirection(tile)] == v->u.road.state) { VehicleEnterDepot(v); return VETSB_ENTERED_WORMHOLE; } break; default: break; } return VETSB_CONTINUE; } static void ChangeTileOwner_Road(TileIndex tile, PlayerID old_player, PlayerID new_player) { if (IsLevelCrossing(tile) && GetCrossingRoadOwner(tile) == old_player) { SetCrossingRoadOwner(tile, new_player == PLAYER_SPECTATOR ? OWNER_NONE : new_player); } if (!IsTileOwner(tile, old_player)) return; if (new_player != PLAYER_SPECTATOR) { SetTileOwner(tile, new_player); } else { switch (GetRoadTileType(tile)) { case ROAD_TILE_NORMAL: SetTileOwner(tile, OWNER_NONE); break; case ROAD_TILE_CROSSING: MakeRoadNormal(tile, GetCrossingRoadOwner(tile), GetCrossingRoadBits(tile), GetTownIndex(tile)); break; default: case ROAD_TILE_DEPOT: DoCommand(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR); break; } } } extern const TileTypeProcs _tile_type_road_procs = { DrawTile_Road, /* draw_tile_proc */ GetSlopeZ_Road, /* get_slope_z_proc */ ClearTile_Road, /* clear_tile_proc */ GetAcceptedCargo_Road, /* get_accepted_cargo_proc */ GetTileDesc_Road, /* get_tile_desc_proc */ GetTileTrackStatus_Road, /* get_tile_track_status_proc */ ClickTile_Road, /* click_tile_proc */ AnimateTile_Road, /* animate_tile_proc */ TileLoop_Road, /* tile_loop_clear */ ChangeTileOwner_Road, /* change_tile_owner_clear */ NULL, /* get_produced_cargo_proc */ VehicleEnter_Road, /* vehicle_enter_tile_proc */ GetSlopeTileh_Road, /* get_slope_tileh_proc */ };