# unmovable_cmd.cpp

Go to the documentation of this file.

    00001 /* $Id: unmovable_cmd.cpp 16744 2009-07-04 21:06:17Z rubidium $ */
    00002
    00005 #include "stdafx.h"
    00006 #include "openttd.h"
    00007 #include "landscape.h"
    00008 #include "command_func.h"
    00009 #include "viewport_func.h"
    00010 #include "company_base.h"
    00011 #include "town.h"
    00012 #include "sprite.h"
    00013 #include "bridge_map.h"
    00014 #include "unmovable_map.h"
    00015 #include "genworld.h"
    00016 #include "autoslope.h"
    00017 #include "transparency.h"
    00018 #include "functions.h"
    00019 #include "window_func.h"
    00020 #include "vehicle_func.h"
    00021 #include "company_gui.h"
    00022 #include "economy_func.h"
    00023 #include "cheat_type.h"
    00024 #include "landscape_type.h"
    00025 #include "unmovable.h"
    00026
    00027 #include "table/strings.h"
    00028 #include "table/sprites.h"
    00029 #include "table/unmovable_land.h"
    00030
    00039 static inline const UnmovableSpec *GetUnmovableSpec(UnmovableType type)
    00040 {
    00041   assert(type < UNMOVABLE_MAX);
    00042   return &_original_unmovable[type];
    00043 }
    00044
    00052 static CommandCost DestroyCompanyHQ(CompanyID cid, DoCommandFlag flags)
    00053 {
    00054   Company *c = GetCompany(cid);
    00055
    00056   if (flags & DC_EXEC) {
    00057     TileIndex t = c->location_of_HQ;
    00058
    00059     DoClearSquare(t);
    00060     DoClearSquare(t + TileDiffXY(0, 1));
    00061     DoClearSquare(t + TileDiffXY(1, 0));
    00062     DoClearSquare(t + TileDiffXY(1, 1));
    00063     c->location_of_HQ = INVALID_TILE; // reset HQ position
    00064     InvalidateWindow(WC_COMPANY, cid);
    00065   }
    00066
    00067   /* cost of relocating company is 1% of company value */
    00068   return CommandCost(EXPENSES_PROPERTY, CalculateCompanyValue(c) / 100);
    00069 }
    00070
    00071 void UpdateCompanyHQ(Company *c, uint score)
    00072 {
    00073   byte val;
    00074   TileIndex tile = c->location_of_HQ;
    00075
    00076   if (tile == INVALID_TILE) return;
    00077
    00078   (val = 0, score < 170) ||
    00079   (val++, score < 350) ||
    00080   (val++, score < 520) ||
    00081   (val++, score < 720) ||
    00082   (val++, true);
    00083
    00084   EnlargeCompanyHQ(tile, val);
    00085
    00086   MarkTileDirtyByTile(tile);
    00087   MarkTileDirtyByTile(tile + TileDiffXY(0, 1));
    00088   MarkTileDirtyByTile(tile + TileDiffXY(1, 0));
    00089   MarkTileDirtyByTile(tile + TileDiffXY(1, 1));
    00090 }
    00091
    00092 extern CommandCost CheckFlatLandBelow(TileIndex tile, uint w, uint h, DoCommandFlag flags, uint invalid_dirs, StationID *station, bool check_clear = true);
    00093
    00100 CommandCost CmdBuildCompanyHQ(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00101 {
    00102   Company *c = GetCompany(_current_company);
    00103   CommandCost cost(EXPENSES_PROPERTY);
    00104
    00105   cost = CheckFlatLandBelow(tile, 2, 2, flags, 0, NULL);
    00106   if (CmdFailed(cost)) return cost;
    00107
    00108   if (c->location_of_HQ != INVALID_TILE) { // Moving HQ
    00109     cost.AddCost(DestroyCompanyHQ(_current_company, flags));
    00110   }
    00111
    00112   if (flags & DC_EXEC) {
    00113     int score = UpdateCompanyRatingAndValue(c, false);
    00114
    00115     c->location_of_HQ = tile;
    00116
    00117     MakeCompanyHQ(tile, _current_company);
    00118
    00119     UpdateCompanyHQ(c, score);
    00120     InvalidateWindow(WC_COMPANY, c->index);
    00121   }
    00122
    00123   return cost;
    00124 }
    00125
    00134 CommandCost CmdPurchaseLandArea(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00135 {
    00136   CommandCost cost(EXPENSES_CONSTRUCTION);
    00137
    00138   if (IsOwnedLandTile(tile) && IsTileOwner(tile, _current_company)) {
    00139     return_cmd_error(STR_5807_YOU_ALREADY_OWN_IT);
    00140   }
    00141
    00142   cost = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
    00143   if (CmdFailed(cost)) return CMD_ERROR;
    00144
    00145   if (flags & DC_EXEC) {
    00146     MakeOwnedLand(tile, _current_company);
    00147     MarkTileDirtyByTile(tile);
    00148   }
    00149
    00150   return cost.AddCost(GetUnmovableSpec(UNMOVABLE_OWNED_LAND)->GetBuildingCost());
    00151 }
    00152
    00161 CommandCost CmdSellLandArea(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
    00162 {
    00163   if (!IsOwnedLandTile(tile)) return CMD_ERROR;
    00164   if (!CheckTileOwnership(tile) && _current_company != OWNER_WATER) return CMD_ERROR;
    00165
    00166   if (!EnsureNoVehicleOnGround(tile)) return CMD_ERROR;
    00167
    00168   if (flags & DC_EXEC) DoClearSquare(tile);
    00169
    00170   return CommandCost(EXPENSES_CONSTRUCTION, - GetUnmovableSpec(UNMOVABLE_OWNED_LAND)->GetRemovalCost());
    00171 }
    00172
    00173 static Foundation GetFoundation_Unmovable(TileIndex tile, Slope tileh);
    00174
    00175 static void DrawTile_Unmovable(TileInfo *ti)
    00176 {
    00177
    00178   switch (GetUnmovableType(ti->tile)) {
    00179     default: NOT_REACHED(); break;
    00180     case UNMOVABLE_TRANSMITTER:
    00181     case UNMOVABLE_LIGHTHOUSE: {
    00182       const DrawTileSeqStruct *dtu = &_draw_tile_transmitterlighthouse_data[GetUnmovableType(ti->tile)];
    00183
    00184       if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, FOUNDATION_LEVELED);
    00185       DrawClearLandTile(ti, 2);
    00186
    00187       if (IsInvisibilitySet(TO_STRUCTURES)) break;
    00188
    00189       AddSortableSpriteToDraw(
    00190         dtu->image.sprite, PAL_NONE, ti->x | dtu->delta_x, ti->y | dtu->delta_y,
    00191         dtu->size_x, dtu->size_y, dtu->size_z, ti->z,
    00192         IsTransparencySet(TO_STRUCTURES)
    00193       );
    00194       break;
    00195     }
    00196
    00197     case UNMOVABLE_STATUE:
    00198       /* This should prevent statues from sinking into the ground when on a slope. */
    00199       if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, GetFoundation_Unmovable(ti->tile, ti->tileh));
    00200
    00201       DrawGroundSprite(SPR_CONCRETE_GROUND, PAL_NONE);
    00202
    00203       if (IsInvisibilitySet(TO_STRUCTURES)) break;
    00204
    00205       AddSortableSpriteToDraw(SPR_STATUE_COMPANY, COMPANY_SPRITE_COLOUR(GetTileOwner(ti->tile)), ti->x, ti->y, 16, 16, 25, ti->z, IsTransparencySet(TO_STRUCTURES));
    00206       break;
    00207
    00208     case UNMOVABLE_OWNED_LAND:
    00209       DrawClearLandTile(ti, 0);
    00210
    00211       AddSortableSpriteToDraw(
    00212         SPR_BOUGHT_LAND, COMPANY_SPRITE_COLOUR(GetTileOwner(ti->tile)),
    00213         ti->x + TILE_SIZE / 2, ti->y + TILE_SIZE / 2, 1, 1, BB_HEIGHT_UNDER_BRIDGE, GetSlopeZ(ti->x + TILE_SIZE / 2, ti->y + TILE_SIZE / 2)
    00214       );
    00215       DrawBridgeMiddle(ti);
    00216       break;
    00217
    00218     case UNMOVABLE_HQ:{
    00219       assert(IsCompanyHQ(ti->tile));
    00220       if (ti->tileh != SLOPE_FLAT) DrawFoundation(ti, FOUNDATION_LEVELED);
    00221
    00222       SpriteID palette = COMPANY_SPRITE_COLOUR(GetTileOwner(ti->tile));
    00223
    00224       const DrawTileSprites *t = &_unmovable_display_datas[GetCompanyHQSize(ti->tile) << 2 | GetCompanyHQSection(ti->tile)];
    00225       DrawGroundSprite(t->ground.sprite, palette);
    00226
    00227       if (IsInvisibilitySet(TO_STRUCTURES)) break;
    00228
    00229       const DrawTileSeqStruct *dtss;
    00230       foreach_draw_tile_seq(dtss, t->seq) {
    00231         AddSortableSpriteToDraw(
    00232           dtss->image.sprite, palette,
    00233           ti->x + dtss->delta_x, ti->y + dtss->delta_y,
    00234           dtss->size_x, dtss->size_y,
    00235           dtss->size_z, ti->z + dtss->delta_z,
    00236           IsTransparencySet(TO_STRUCTURES)
    00237         );
    00238       }
    00239       break;
    00240     }
    00241   }
    00242 }
    00243
    00244 static uint GetSlopeZ_Unmovable(TileIndex tile, uint x, uint y)
    00245 {
    00246   if (IsOwnedLand(tile)) {
    00247     uint z;
    00248     Slope tileh = GetTileSlope(tile, &z);
    00249
    00250     return z + GetPartialZ(x & 0xF, y & 0xF, tileh);
    00251   } else {
    00252     return GetTileMaxZ(tile);
    00253   }
    00254 }
    00255
    00256 static Foundation GetFoundation_Unmovable(TileIndex tile, Slope tileh)
    00257 {
    00258   return IsOwnedLand(tile) ? FOUNDATION_NONE : FlatteningFoundation(tileh);
    00259 }
    00260
    00261 static CommandCost ClearTile_Unmovable(TileIndex tile, DoCommandFlag flags)
    00262 {
    00263   if (IsCompanyHQ(tile)) {
    00264     if (_current_company == OWNER_WATER) {
    00265       return DestroyCompanyHQ(GetTileOwner(tile), DC_EXEC);
    00266     } else {
    00267       return_cmd_error(flags & DC_AUTO ? STR_5804_COMPANY_HEADQUARTERS_IN : INVALID_STRING_ID);
    00268     }
    00269   }
    00270
    00271   if (IsOwnedLand(tile)) {
    00272     return DoCommand(tile, 0, 0, flags, CMD_SELL_LAND_AREA);
    00273   }
    00274
    00275   /* checks if you're allowed to remove unmovable things */
    00276   if (_game_mode != GM_EDITOR && _current_company != OWNER_WATER && ((flags & DC_AUTO || !_cheats.magic_bulldozer.value)) )
    00277     return_cmd_error(flags & DC_AUTO ? STR_5800_OBJECT_IN_THE_WAY : INVALID_STRING_ID);
    00278
    00279   if (IsStatue(tile)) {
    00280     if (flags & DC_AUTO) return_cmd_error(STR_5800_OBJECT_IN_THE_WAY);
    00281
    00282     TownID town = GetStatueTownID(tile);
    00283     ClrBit(GetTown(town)->statues, GetTileOwner(tile));
    00284     InvalidateWindow(WC_TOWN_AUTHORITY, town);
    00285   }
    00286
    00287   if (flags & DC_EXEC) {
    00288     DoClearSquare(tile);
    00289   }
    00290
    00291   return CommandCost();
    00292 }
    00293
    00294 static void GetAcceptedCargo_Unmovable(TileIndex tile, AcceptedCargo ac)
    00295 {
    00296   if (!IsCompanyHQ(tile)) return;
    00297
    00298   /* HQ accepts passenger and mail; but we have to divide the values
    00299    * between 4 tiles it occupies! */
    00300
    00301   /* HQ level (depends on company performance) in the range 1..5. */
    00302   uint level = GetCompanyHQSize(tile) + 1;
    00303
    00304   /* Top town building generates 10, so to make HQ interesting, the top
    00305    * type makes 20. */
    00306   ac[CT_PASSENGERS] = max(1U, level);
    00307
    00308   /* Top town building generates 4, HQ can make up to 8. The
    00309    * proportion passengers:mail is different because such a huge
    00310    * commercial building generates unusually high amount of mail
    00311    * correspondence per physical visitor. */
    00312   ac[CT_MAIL] = max(1U, level / 2);
    00313 }
    00314
    00315
    00316 static void GetTileDesc_Unmovable(TileIndex tile, TileDesc *td)
    00317 {
    00318   td->str = GetUnmovableSpec(GetUnmovableType(tile))->name;
    00319   td->owner[0] = GetTileOwner(tile);
    00320 }
    00321
    00322 static void TileLoop_Unmovable(TileIndex tile)
    00323 {
    00324   if (!IsCompanyHQ(tile)) return;
    00325
    00326   /* HQ accepts passenger and mail; but we have to divide the values
    00327    * between 4 tiles it occupies! */
    00328
    00329   /* HQ level (depends on company performance) in the range 1..5. */
    00330   uint level = GetCompanyHQSize(tile) + 1;
    00331   assert(level < 6);
    00332
    00333   uint r = Random();
    00334   /* Top town buildings generate 250, so the top HQ type makes 256. */
    00335   if (GB(r, 0, 8) < (256 / 4 / (6 - level))) {
    00336     uint amt = GB(r, 0, 8) / 8 / 4 + 1;
    00337     if (_economy.fluct <= 0) amt = (amt + 1) >> 1;
    00338     MoveGoodsToStation(tile, 2, 2, CT_PASSENGERS, amt);
    00339   }
    00340
    00341   /* Top town building generates 90, HQ can make up to 196. The
    00342    * proportion passengers:mail is about the same as in the acceptance
    00343    * equations. */
    00344   if (GB(r, 8, 8) < (196 / 4 / (6 - level))) {
    00345     uint amt = GB(r, 8, 8) / 8 / 4 + 1;
    00346     if (_economy.fluct <= 0) amt = (amt + 1) >> 1;
    00347     MoveGoodsToStation(tile, 2, 2, CT_MAIL, amt);
    00348   }
    00349 }
    00350
    00351
    00352 static TrackStatus GetTileTrackStatus_Unmovable(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
    00353 {
    00354   return 0;
    00355 }
    00356
    00357 static bool ClickTile_Unmovable(TileIndex tile)
    00358 {
    00359   if (!IsCompanyHQ(tile)) return false;
    00360
    00361   ShowCompany(GetTileOwner(tile));
    00362   return true;
    00363 }
    00364
    00365
    00366 /* checks, if a radio tower is within a 9x9 tile square around tile */
    00367 static bool IsRadioTowerNearby(TileIndex tile)
    00368 {
    00369   TileIndex tile_s = tile - TileDiffXY(min(TileX(tile), 4U), min(TileY(tile), 4U));
    00370   uint w = min(TileX(tile), 4U) + 1 + min(MapMaxX() - TileX(tile), 4U);
    00371   uint h = min(TileY(tile), 4U) + 1 + min(MapMaxY() - TileY(tile), 4U);
    00372
    00373   BEGIN_TILE_LOOP(tile, w, h, tile_s)
    00374     if (IsTransmitterTile(tile)) return true;
    00375   END_TILE_LOOP(tile, w, h, tile_s)
    00376
    00377   return false;
    00378 }
    00379
    00380 void GenerateUnmovables()
    00381 {
    00382   if (_settings_game.game_creation.landscape == LT_TOYLAND) return;
    00383
    00384   /* add radio tower */
    00385   int radiotower_to_build = ScaleByMapSize(15); // maximum number of radio towers on the map
    00386   int lighthouses_to_build = _settings_game.game_creation.landscape == LT_TROPIC ? 0 : ScaleByMapSize1D((Random() & 3) + 7);
    00387
    00388   /* Scale the amount of lighthouses with the amount of land at the borders. */
    00389   if (_settings_game.construction.freeform_edges && lighthouses_to_build != 0) {
    00390     uint num_water_tiles = 0;
    00391     for (uint x = 0; x < MapMaxX(); x++) {
    00392       if (IsTileType(TileXY(x, 1), MP_WATER)) num_water_tiles++;
    00393       if (IsTileType(TileXY(x, MapMaxY() - 1), MP_WATER)) num_water_tiles++;
    00394     }
    00395     for (uint y = 1; y < MapMaxY() - 1; y++) {
    00396       if (IsTileType(TileXY(1, y), MP_WATER)) num_water_tiles++;
    00397       if (IsTileType(TileXY(MapMaxX() - 1, y), MP_WATER)) num_water_tiles++;
    00398     }
    00399     /* The -6 is because the top borders are MP_VOID (-2) and all corners
    00400      * are counted twice (-4). */
    00401     lighthouses_to_build = lighthouses_to_build * num_water_tiles / (2 * MapMaxY() + 2 * MapMaxX() - 6);
    00402   }
    00403
    00404   SetGeneratingWorldProgress(GWP_UNMOVABLE, radiotower_to_build + lighthouses_to_build);
    00405
    00406   for (uint i = ScaleByMapSize(1000); i != 0; i--) {
    00407     TileIndex tile = RandomTile();
    00408
    00409     uint h;
    00410     if (IsTileType(tile, MP_CLEAR) && GetTileSlope(tile, &h) == SLOPE_FLAT && h >= TILE_HEIGHT * 4 && !IsBridgeAbove(tile)) {
    00411       if (IsRadioTowerNearby(tile)) continue;
    00412
    00413       MakeTransmitter(tile);
    00414       IncreaseGeneratingWorldProgress(GWP_UNMOVABLE);
    00415       if (--radiotower_to_build == 0) break;
    00416     }
    00417   }
    00418
    00419   /* add lighthouses */
    00420   uint maxx = MapMaxX();
    00421   uint maxy = MapMaxY();
    00422   for (int loop_count = 0; loop_count < 1000 && lighthouses_to_build != 0; loop_count++) {
    00423     uint r = Random();
    00424
    00425     /* Scatter the lighthouses more evenly around the perimeter */
    00426     int perimeter = (GB(r, 16, 16) % (2 * (maxx + maxy))) - maxy;
    00427     DiagDirection dir;
    00428     for (dir = DIAGDIR_NE; perimeter > 0; dir++) {
    00429       perimeter -= (DiagDirToAxis(dir) == AXIS_X) ? maxx : maxy;
    00430     }
    00431
    00432     TileIndex tile;
    00433     switch (dir) {
    00434       default:
    00435       case DIAGDIR_NE: tile = TileXY(maxx - 1, r % maxy); break;
    00436       case DIAGDIR_SE: tile = TileXY(r % maxx, 1); break;
    00437       case DIAGDIR_SW: tile = TileXY(1,        r % maxy); break;
    00438       case DIAGDIR_NW: tile = TileXY(r % maxx, maxy - 1); break;
    00439     }
    00440
    00441     /* Only build lighthouses at tiles where the border is sea. */
    00442     if (!IsTileType(tile, MP_WATER)) continue;
    00443
    00444     for (int j = 0; j < 19; j++) {
    00445       uint h;
    00446       if (IsTileType(tile, MP_CLEAR) && GetTileSlope(tile, &h) == SLOPE_FLAT && h <= TILE_HEIGHT * 2 && !IsBridgeAbove(tile)) {
    00447         MakeLighthouse(tile);
    00448         IncreaseGeneratingWorldProgress(GWP_UNMOVABLE);
    00449         lighthouses_to_build--;
    00450         assert(tile < MapSize());
    00451         break;
    00452       }
    00453       tile = AddTileIndexDiffCWrap(tile, TileIndexDiffCByDiagDir(dir));
    00454       if (tile == INVALID_TILE) break;
    00455     }
    00456   }
    00457 }
    00458
    00459 static void ChangeTileOwner_Unmovable(TileIndex tile, Owner old_owner, Owner new_owner)
    00460 {
    00461   if (!IsTileOwner(tile, old_owner)) return;
    00462
    00463   if (IsOwnedLand(tile) && new_owner != INVALID_OWNER) {
    00464     SetTileOwner(tile, new_owner);
    00465   } else if (IsStatueTile(tile)) {
    00466     TownID town = GetStatueTownID(tile);
    00467     Town *t = GetTown(town);
    00468     ClrBit(t->statues, old_owner);
    00469     if (new_owner != INVALID_OWNER && !HasBit(t->statues, new_owner)) {
    00470       /* Transfer ownership to the new company */
    00471       SetBit(t->statues, new_owner);
    00472       SetTileOwner(tile, new_owner);
    00473     } else {
    00474       DoClearSquare(tile);
    00475     }
    00476
    00477     InvalidateWindow(WC_TOWN_AUTHORITY, town);
    00478   } else {
    00479     DoClearSquare(tile);
    00480   }
    00481 }
    00482
    00483 static CommandCost TerraformTile_Unmovable(TileIndex tile, DoCommandFlag flags, uint z_new, Slope tileh_new)
    00484 {
    00485   /* Owned land remains unsold */
    00486   if (IsOwnedLand(tile) && CheckTileOwnership(tile)) return CommandCost();
    00487
    00488   if (AutoslopeEnabled() && (IsStatue(tile) || IsCompanyHQ(tile))) {
    00489     if (!IsSteepSlope(tileh_new) && (z_new + GetSlopeMaxZ(tileh_new) == GetTileMaxZ(tile))) return CommandCost(EXPENSES_CONSTRUCTION, _price.terraform);
    00490   }
    00491
    00492   return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
    00493 }
    00494
    00495 extern const TileTypeProcs _tile_type_unmovable_procs = {
    00496   DrawTile_Unmovable,             // draw_tile_proc
    00497   GetSlopeZ_Unmovable,            // get_slope_z_proc
    00498   ClearTile_Unmovable,            // clear_tile_proc
    00499   GetAcceptedCargo_Unmovable,     // get_accepted_cargo_proc
    00500   GetTileDesc_Unmovable,          // get_tile_desc_proc
    00501   GetTileTrackStatus_Unmovable,   // get_tile_track_status_proc
    00502   ClickTile_Unmovable,            // click_tile_proc
    00503   NULL,                           // animate_tile_proc
    00504   TileLoop_Unmovable,             // tile_loop_clear
    00505   ChangeTileOwner_Unmovable,      // change_tile_owner_clear
    00506   NULL,                           // get_produced_cargo_proc
    00507   NULL,                           // vehicle_enter_tile_proc
    00508   GetFoundation_Unmovable,        // get_foundation_proc
    00509   TerraformTile_Unmovable,        // terraform_tile_proc
    00510 };