diff options
Diffstat (limited to 'src/road_cmd.c')
| -rw-r--r-- | src/road_cmd.c | 1065 |
1 files changed, 1065 insertions, 0 deletions
diff --git a/src/road_cmd.c b/src/road_cmd.c new file mode 100644 index 000000000..9f3bc3f6a --- /dev/null +++ b/src/road_cmd.c @@ -0,0 +1,1065 @@ +/* $Id$ */ + +#include "stdafx.h" +#include "openttd.h" +#include "bridge_map.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 "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; +} + + +static bool CheckAllowRemoveRoad(TileIndex tile, RoadBits remove, bool* edge_road) +{ + RoadBits present; + RoadBits n; + Owner owner; + *edge_road = true; + + if (_game_mode == GM_EDITOR) return true; + + // Only do the special processing for actual players. + if (!IsValidPlayer(_current_player)) return true; + + owner = IsLevelCrossingTile(tile) ? GetCrossingRoadOwner(tile) : GetTileOwner(tile); + + // 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 = 0; + 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, _patches.dist_local_authority); + + SetDParam(0, t->index); + _error_message = STR_2009_LOCAL_AUTHORITY_REFUSES; + return false; + } + + return true; +} + + +/** Delete a piece of road. + * @param tile tile where to remove road from + * @param p1 road piece flags + * @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; + RoadBits pieces; + + SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION); + + /* Road pieces are max 4 bitset values (NE, NW, SE, SW) */ + if (p1 >> 4) return CMD_ERROR; + pieces = p1; + + 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; + } + + if (!CheckAllowRemoveRoad(tile, pieces, &edge_road)) return CMD_ERROR; + + if (!EnsureNoVehicle(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 |= (c & 0xC) >> 2; + c |= (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), GetRailTypeCrossing(tile)); + MarkTileDirtyByTile(tile); + YapfNotifyTrackLayoutChange(tile, FIND_FIRST_BIT(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, 0, 0, + ROAD_X, 0, 0, // 3, 4, 5 + ROAD_Y, 0, 0, + ROAD_Y, 0, 0, // 9, 10, 11 + ROAD_X, 0, 0 + }, + // allowed road for an evenly raised platform + { + 0, + 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 |= (*pieces & 0xC) >> 2; + *pieces |= (*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 |= (*pieces & 0xC) >> 2; + *pieces |= (*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 p1 road piece flags + * @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 = 0; + RoadBits pieces; + 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 ((p1 >> 4) || (IsValidPlayer(_current_player) && p2 != 0) || !IsValidTownID(p2)) return CMD_ERROR; + pieces = 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 (!EnsureNoVehicle(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 (!EnsureNoVehicle(tile)) return CMD_ERROR; + + if (flags & DC_EXEC) { + YapfNotifyTrackLayoutChange(tile, FIND_FIRST_BIT(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; +} + +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) || !EnsureNoVehicle(tile)) return CMD_ERROR; + + if (GetRailTypeCrossing(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 && GetRailTypeCrossing(tile) == RAILTYPE_ELECTRIC) return CMD_ERROR; + + if (exec) { + SetRailTypeCrossing(tile, totype); + MarkTileDirtyByTile(tile); + YapfNotifyTrackLayoutChange(tile, FIND_FIRST_BIT(GetCrossingRailBits(tile))); + } + + return _price.build_rail >> 1; +} + + +/** Build a long piece of road. + * @param end_tile end tile of drag + * @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 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 p1 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); + + if (p1 > 3) return CMD_ERROR; // check direction + + if (!EnsureNoVehicle(tile)) return CMD_ERROR; + + tileh = GetTileSlope(tile, NULL); + if (tileh != SLOPE_FLAT && ( + !_patches.build_on_slopes || + IsSteepSlope(tileh) || + !CanBuildDepotByTileh(p1, 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, p1); + 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; +} + +#define M(x) (1<<(x)) + +static int32 ClearTile_Road(TileIndex tile, byte flags) +{ + switch (GetRoadTileType(tile)) { + case ROAD_TILE_NORMAL: { + RoadBits b = GetRoadBits(tile); + + if (!((1 << b) & (M(1)|M(2)|M(4)|M(8))) && + (!(flags & DC_AI_BUILDING) || !IsTileOwner(tile, OWNER_TOWN)) && + flags & DC_AUTO) { + return_cmd_error(STR_1801_MUST_REMOVE_ROAD_FIRST); + } + return DoCommand(tile, b, 0, flags, CMD_REMOVE_ROAD); + } + + 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); + } +} + + +typedef struct DrawRoadTileStruct { + uint16 image; + byte subcoord_x; + byte subcoord_y; +} DrawRoadTileStruct; + +#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 + * @param road RoadBits to draw + */ +static void DrawRoadBits(TileInfo* ti) +{ + RoadBits road = GetRoadBits(ti->tile); + const DrawRoadTileStruct *drts; + PalSpriteID image = 0; + 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: image |= PALETTE_TO_BARE_LAND; break; + case ROADSIDE_GRASS: break; + case ROADSIDE_GRASS_ROAD_WORKS: break; + default: image -= 19; break; // Paved + } + } + + DrawGroundSprite(image); + + if (HasRoadWorks(ti->tile)) { + // Road works + DrawGroundSprite(road & ROAD_X ? SPR_EXCAVATION_X : SPR_EXCAVATION_Y); + 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, 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: { + PalSpriteID image; + + if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, ti->tileh); + + image = GetRailTypeInfo(GetRailTypeCrossing(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: image |= PALETTE_TO_BARE_LAND; break; + case ROADSIDE_GRASS: break; + default: image += 4; break; // Paved + } + } + + DrawGroundSprite(image); + if (GetRailTypeCrossing(ti->tile) == RAILTYPE_ELECTRIC) DrawCatenary(ti); + break; + } + + default: + case ROAD_TILE_DEPOT: { + const DrawTileSprites* dts; + const DrawTileSeqStruct* dtss; + uint32 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); + + for (dtss = dts->seq; dtss->image != 0; dtss++) { + uint32 image = dtss->image; + + if (_display_opt & DO_TRANS_BUILDINGS) { + MAKE_TRANSPARENT(image); + } else if (image & PALETTE_MODIFIER_COLOR) { + image |= palette; + } + + AddSortableSpriteToDraw( + image, + 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) +{ + uint32 palette = PLAYER_SPRITE_COLOR(_local_player); + const DrawTileSprites* dts = &_road_depot[dir]; + const DrawTileSeqStruct* dtss; + + x += 33; + y += 17; + + DrawSprite(dts->ground_sprite, x, y); + + for (dtss = dts->seq; dtss->image != 0; dtss++) { + Point pt = RemapCoords(dtss->delta_x, dtss->delta_y, dtss->delta_z); + uint32 image = dtss->image; + + if (image & PALETTE_MODIFIER_COLOR) image |= palette; + + DrawSprite(image, 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_HILLY: + if (IsOnSnow(tile) != (GetTileZ(tile) > _opt.snow_line)) { + ToggleSnow(tile); + MarkTileDirtyByTile(tile); + } + break; + + case LT_DESERT: + 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 && EnsureNoVehicle(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_CANDY) ? _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 4; + } + break; + + default: break; + } + return 0; +} + + +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; + } + } +} + + +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 */ +}; |