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00012 #include "stdafx.h"
00013 #include "landscape.h"
00014 #include "command_func.h"
00015 #include "viewport_func.h"
00016 #include "company_base.h"
00017 #include "town.h"
00018 #include "bridge_map.h"
00019 #include "genworld.h"
00020 #include "autoslope.h"
00021 #include "clear_func.h"
00022 #include "water.h"
00023 #include "window_func.h"
00024 #include "company_gui.h"
00025 #include "cheat_type.h"
00026 #include "object.h"
00027 #include "cargopacket.h"
00028 #include "sprite.h"
00029 #include "core/random_func.hpp"
00030 #include "core/pool_func.hpp"
00031 #include "object_map.h"
00032 #include "object_base.h"
00033 #include "newgrf_config.h"
00034 #include "newgrf_object.h"
00035 #include "date_func.h"
00036 #include "newgrf_debug.h"
00037
00038 #include "table/strings.h"
00039 #include "table/object_land.h"
00040
00041 ObjectPool _object_pool("Object");
00042 INSTANTIATE_POOL_METHODS(Object)
00043 uint16 Object::counts[NUM_OBJECTS];
00044
00050 Object *Object::GetByTile(TileIndex tile)
00051 {
00052 return Object::Get(GetObjectIndex(tile));
00053 }
00054
00056 void InitializeObjects()
00057 {
00058 Object::ResetTypeCounts();
00059 }
00060
00071 void BuildObject(ObjectType type, TileIndex tile, CompanyID owner, Town *town, uint8 view)
00072 {
00073 const ObjectSpec *spec = ObjectSpec::Get(type);
00074
00075 TileArea ta(tile, GB(spec->size, HasBit(view, 0) ? 4 : 0, 4), GB(spec->size, HasBit(view, 0) ? 0 : 4, 4));
00076 Object *o = new Object();
00077 o->location = ta;
00078 o->town = town == NULL ? CalcClosestTownFromTile(tile) : town;
00079 o->build_date = _date;
00080 o->view = view;
00081
00082
00083
00084 if (owner == OWNER_NONE) {
00085 o->colour = Random();
00086 } else {
00087 const Livery *l = Company::Get(owner)->livery;
00088 o->colour = l->colour1 + l->colour2 * 16;
00089 }
00090
00091
00092 if ((spec->flags & OBJECT_FLAG_2CC_COLOUR) == 0) o->colour &= 0xF;
00093
00094 if (HasBit(spec->callback_mask, CBM_OBJ_COLOUR)) {
00095 uint16 res = GetObjectCallback(CBID_OBJECT_COLOUR, o->colour, 0, spec, o, tile);
00096 if (res != CALLBACK_FAILED) o->colour = GB(res, 0, 8);
00097 }
00098
00099 assert(o->town != NULL);
00100
00101 TILE_AREA_LOOP(t, ta) {
00102 WaterClass wc = (IsWaterTile(t) ? GetWaterClass(t) : WATER_CLASS_INVALID);
00103
00104 if (wc == WATER_CLASS_CANAL && owner != OWNER_NONE && (IsTileOwner(tile, OWNER_NONE) || IsTileOwner(tile, OWNER_WATER))) {
00105 Company::Get(owner)->water_infrastructure++;
00106 DirtyCompanyInfrastructureWindows(owner);
00107 }
00108 MakeObject(t, type, owner, o->index, wc, Random());
00109 MarkTileDirtyByTile(t);
00110 }
00111
00112 Object::IncTypeCount(type);
00113 if (spec->flags & OBJECT_FLAG_ANIMATION) TriggerObjectAnimation(o, OAT_BUILT, spec);
00114 }
00115
00120 static void IncreaseAnimationStage(TileIndex tile)
00121 {
00122 TileArea ta = Object::GetByTile(tile)->location;
00123 TILE_AREA_LOOP(t, ta) {
00124 SetAnimationFrame(t, GetAnimationFrame(t) + 1);
00125 MarkTileDirtyByTile(t);
00126 }
00127 }
00128
00130 #define GetCompanyHQSize GetAnimationFrame
00131
00132 #define IncreaseCompanyHQSize IncreaseAnimationStage
00133
00139 void UpdateCompanyHQ(TileIndex tile, uint score)
00140 {
00141 if (tile == INVALID_TILE) return;
00142
00143 byte val;
00144 (val = 0, score < 170) ||
00145 (val++, score < 350) ||
00146 (val++, score < 520) ||
00147 (val++, score < 720) ||
00148 (val++, true);
00149
00150 while (GetCompanyHQSize(tile) < val) {
00151 IncreaseCompanyHQSize(tile);
00152 }
00153 }
00154
00159 void UpdateObjectColours(const Company *c)
00160 {
00161 Object *obj;
00162 FOR_ALL_OBJECTS(obj) {
00163 Owner owner = GetTileOwner(obj->location.tile);
00164
00165 if (owner != c->index) continue;
00166
00167 const ObjectSpec *spec = ObjectSpec::GetByTile(obj->location.tile);
00168
00169 if (HasBit(spec->callback_mask, CBM_OBJ_COLOUR)) continue;
00170
00171 const Livery *l = c->livery;
00172 obj->colour = ((spec->flags & OBJECT_FLAG_2CC_COLOUR) ? (l->colour2 * 16) : 0) + l->colour1;
00173 }
00174 }
00175
00176 extern CommandCost CheckBuildableTile(TileIndex tile, uint invalid_dirs, int &allowed_z, bool check_bridge);
00177 static CommandCost ClearTile_Object(TileIndex tile, DoCommandFlag flags);
00178
00188 CommandCost CmdBuildObject(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00189 {
00190 CommandCost cost(EXPENSES_PROPERTY);
00191
00192 ObjectType type = (ObjectType)GB(p1, 0, 8);
00193 uint8 view = GB(p2, 0, 2);
00194 const ObjectSpec *spec = ObjectSpec::Get(type);
00195 if (!spec->IsAvailable()) return CMD_ERROR;
00196
00197 if (spec->flags & OBJECT_FLAG_ONLY_IN_SCENEDIT && (_game_mode != GM_EDITOR || _current_company != OWNER_NONE)) return CMD_ERROR;
00198 if (spec->flags & OBJECT_FLAG_ONLY_IN_GAME && (_game_mode != GM_NORMAL || _current_company > MAX_COMPANIES)) return CMD_ERROR;
00199 if (view >= spec->views) return CMD_ERROR;
00200
00201 if (!Object::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_OBJECTS);
00202 if (Town::GetNumItems() == 0) return_cmd_error(STR_ERROR_MUST_FOUND_TOWN_FIRST);
00203
00204 int size_x = GB(spec->size, HasBit(view, 0) ? 4 : 0, 4);
00205 int size_y = GB(spec->size, HasBit(view, 0) ? 0 : 4, 4);
00206 TileArea ta(tile, size_x, size_y);
00207
00208 if (type == OBJECT_OWNED_LAND) {
00209
00210 cost.AddCost(DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR));
00211 } else {
00212
00213 bool allow_water = (spec->flags & (OBJECT_FLAG_BUILT_ON_WATER | OBJECT_FLAG_NOT_ON_LAND)) != 0;
00214 bool allow_ground = (spec->flags & OBJECT_FLAG_NOT_ON_LAND) == 0;
00215 TILE_AREA_LOOP(t, ta) {
00216 if (HasTileWaterGround(t)) {
00217 if (!allow_water) return_cmd_error(STR_ERROR_CAN_T_BUILD_ON_WATER);
00218 if (!IsWaterTile(t)) {
00219
00220
00221 cost.AddCost(DoCommand(t, 0, 0, flags & ~DC_NO_WATER, CMD_LANDSCAPE_CLEAR));
00222 } else {
00223
00224 Owner o = GetTileOwner(t);
00225 if (o != OWNER_NONE && o != OWNER_WATER) cost.AddCost(CheckOwnership(o, t));
00226 }
00227 } else {
00228 if (!allow_ground) return_cmd_error(STR_ERROR_MUST_BE_BUILT_ON_WATER);
00229
00230 cost.AddCost(DoCommand(t, 0, 0, flags, CMD_LANDSCAPE_CLEAR));
00231 }
00232 }
00233
00234
00235 int allowed_z;
00236 if (GetTileSlope(tile, (uint*)&allowed_z) != SLOPE_FLAT) allowed_z += TILE_HEIGHT;
00237
00238 TILE_AREA_LOOP(t, ta) {
00239 uint16 callback = CALLBACK_FAILED;
00240 if (HasBit(spec->callback_mask, CBM_OBJ_SLOPE_CHECK)) {
00241 TileIndex diff = t - tile;
00242 callback = GetObjectCallback(CBID_OBJECT_LAND_SLOPE_CHECK, GetTileSlope(t, NULL), TileY(diff) << 4 | TileX(diff), spec, NULL, t, view);
00243 }
00244
00245 if (callback == CALLBACK_FAILED) {
00246 cost.AddCost(CheckBuildableTile(t, 0, allowed_z, false));
00247 } else if (callback != 0) {
00248 return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
00249 }
00250 }
00251 }
00252 if (cost.Failed()) return cost;
00253
00254
00255 TILE_AREA_LOOP(t, ta) {
00256 if (MayHaveBridgeAbove(t) && IsBridgeAbove(t) && (
00257 !(spec->flags & OBJECT_FLAG_ALLOW_UNDER_BRIDGE) ||
00258 (GetTileMaxZ(t) + spec->height * TILE_HEIGHT >= GetBridgeHeight(GetSouthernBridgeEnd(t))))) {
00259 return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
00260 }
00261 }
00262
00263 int hq_score = 0;
00264 switch (type) {
00265 case OBJECT_TRANSMITTER:
00266 case OBJECT_LIGHTHOUSE:
00267 if (GetTileSlope(tile, NULL) != SLOPE_FLAT) return_cmd_error(STR_ERROR_FLAT_LAND_REQUIRED);
00268 break;
00269
00270 case OBJECT_OWNED_LAND:
00271 if (IsTileType(tile, MP_OBJECT) &&
00272 IsTileOwner(tile, _current_company) &&
00273 IsOwnedLand(tile)) {
00274 return_cmd_error(STR_ERROR_YOU_ALREADY_OWN_IT);
00275 }
00276 break;
00277
00278 case OBJECT_HQ: {
00279 Company *c = Company::Get(_current_company);
00280 if (c->location_of_HQ != INVALID_TILE) {
00281
00282 _current_company = OWNER_WATER;
00283 cost.AddCost(ClearTile_Object(c->location_of_HQ, flags));
00284 _current_company = c->index;
00285 }
00286
00287 if (flags & DC_EXEC) {
00288 hq_score = UpdateCompanyRatingAndValue(c, false);
00289 c->location_of_HQ = tile;
00290 SetWindowDirty(WC_COMPANY, c->index);
00291 }
00292 break;
00293 }
00294
00295 case OBJECT_STATUE:
00296
00297 return CMD_ERROR;
00298
00299 default:
00300 break;
00301 }
00302
00303 if (flags & DC_EXEC) {
00304 BuildObject(type, tile, _current_company, NULL, view);
00305
00306
00307 if (type == OBJECT_HQ) UpdateCompanyHQ(tile, hq_score);
00308 }
00309
00310 cost.AddCost(ObjectSpec::Get(type)->GetBuildCost() * size_x * size_y);
00311 return cost;
00312 }
00313
00314
00315 static Foundation GetFoundation_Object(TileIndex tile, Slope tileh);
00316
00317 static void DrawTile_Object(TileInfo *ti)
00318 {
00319 ObjectType type = GetObjectType(ti->tile);
00320 const ObjectSpec *spec = ObjectSpec::Get(type);
00321
00322
00323 if (!spec->enabled) type = OBJECT_TRANSMITTER;
00324
00325 if ((spec->flags & OBJECT_FLAG_HAS_NO_FOUNDATION) == 0) DrawFoundation(ti, GetFoundation_Object(ti->tile, ti->tileh));
00326
00327 if (type < NEW_OBJECT_OFFSET) {
00328 const DrawTileSprites *dts = NULL;
00329 Owner to = GetTileOwner(ti->tile);
00330 PaletteID palette = to == OWNER_NONE ? PAL_NONE : COMPANY_SPRITE_COLOUR(to);
00331
00332 if (type == OBJECT_HQ) {
00333 TileIndex diff = ti->tile - Object::GetByTile(ti->tile)->location.tile;
00334 dts = &_object_hq[GetCompanyHQSize(ti->tile) << 2 | TileY(diff) << 1 | TileX(diff)];
00335 } else {
00336 dts = &_objects[type];
00337 }
00338
00339 if (spec->flags & OBJECT_FLAG_HAS_NO_FOUNDATION) {
00340
00341
00342 switch (dts->ground.sprite) {
00343 case SPR_FLAT_BARE_LAND: DrawClearLandTile(ti, 0); break;
00344 case SPR_FLAT_1_THIRD_GRASS_TILE: DrawClearLandTile(ti, 1); break;
00345 case SPR_FLAT_2_THIRD_GRASS_TILE: DrawClearLandTile(ti, 2); break;
00346 case SPR_FLAT_GRASS_TILE: DrawClearLandTile(ti, 3); break;
00347 default: DrawGroundSprite(dts->ground.sprite, palette); break;
00348 }
00349 } else {
00350 DrawGroundSprite(dts->ground.sprite, palette);
00351 }
00352
00353 if (!IsInvisibilitySet(TO_STRUCTURES)) {
00354 const DrawTileSeqStruct *dtss;
00355 foreach_draw_tile_seq(dtss, dts->seq) {
00356 AddSortableSpriteToDraw(
00357 dtss->image.sprite, palette,
00358 ti->x + dtss->delta_x, ti->y + dtss->delta_y,
00359 dtss->size_x, dtss->size_y,
00360 dtss->size_z, ti->z + dtss->delta_z,
00361 IsTransparencySet(TO_STRUCTURES)
00362 );
00363 }
00364 }
00365 } else {
00366 DrawNewObjectTile(ti, spec);
00367 }
00368
00369 if (spec->flags & OBJECT_FLAG_ALLOW_UNDER_BRIDGE) DrawBridgeMiddle(ti);
00370 }
00371
00372 static uint GetSlopeZ_Object(TileIndex tile, uint x, uint y)
00373 {
00374 if (IsOwnedLand(tile)) {
00375 uint z;
00376 Slope tileh = GetTileSlope(tile, &z);
00377
00378 return z + GetPartialZ(x & 0xF, y & 0xF, tileh);
00379 } else {
00380 return GetTileMaxZ(tile);
00381 }
00382 }
00383
00384 static Foundation GetFoundation_Object(TileIndex tile, Slope tileh)
00385 {
00386 return IsOwnedLand(tile) ? FOUNDATION_NONE : FlatteningFoundation(tileh);
00387 }
00388
00393 static void ReallyClearObjectTile(Object *o)
00394 {
00395 Object::DecTypeCount(GetObjectType(o->location.tile));
00396 TILE_AREA_LOOP(tile_cur, o->location) {
00397 DeleteNewGRFInspectWindow(GSF_OBJECTS, tile_cur);
00398
00399 MakeWaterKeepingClass(tile_cur, GetTileOwner(tile_cur));
00400 }
00401 delete o;
00402 }
00403
00404 SmallVector<ClearedObjectArea, 4> _cleared_object_areas;
00405
00411 ClearedObjectArea *FindClearedObject(TileIndex tile)
00412 {
00413 TileArea ta = TileArea(tile, 1, 1);
00414
00415 const ClearedObjectArea *end = _cleared_object_areas.End();
00416 for (ClearedObjectArea *coa = _cleared_object_areas.Begin(); coa != end; coa++) {
00417 if (coa->area.Intersects(ta)) return coa;
00418 }
00419
00420 return NULL;
00421 }
00422
00423 static CommandCost ClearTile_Object(TileIndex tile, DoCommandFlag flags)
00424 {
00425 ObjectType type = GetObjectType(tile);
00426 const ObjectSpec *spec = ObjectSpec::Get(type);
00427
00428
00429 Object *o = Object::GetByTile(tile);
00430 TileArea ta = o->location;
00431
00432 ClearedObjectArea *cleared_area = _cleared_object_areas.Append();
00433 cleared_area->first_tile = tile;
00434 cleared_area->area = ta;
00435
00436 CommandCost cost(EXPENSES_CONSTRUCTION, spec->GetClearCost() * ta.w * ta.h / 5);
00437 if (spec->flags & OBJECT_FLAG_CLEAR_INCOME) cost.MultiplyCost(-1);
00438
00439
00440 if (_current_company != OWNER_WATER) {
00441 if ((flags & DC_NO_WATER) && IsTileOnWater(tile)) {
00442
00443 return_cmd_error(STR_ERROR_CAN_T_BUILD_ON_WATER);
00444 } else if (!(spec->flags & OBJECT_FLAG_AUTOREMOVE) && (flags & DC_AUTO)) {
00445
00446 return_cmd_error(type == OBJECT_HQ ? STR_ERROR_COMPANY_HEADQUARTERS_IN : STR_ERROR_OBJECT_IN_THE_WAY);
00447 } else if (_game_mode == GM_EDITOR) {
00448
00449 } else if (GetTileOwner(tile) == OWNER_NONE) {
00450
00451 if (!_cheats.magic_bulldozer.value) return CMD_ERROR;
00452 } else if (CheckTileOwnership(tile).Failed()) {
00453
00454 return_cmd_error(STR_ERROR_OWNED_BY);
00455 } else if ((spec->flags & OBJECT_FLAG_CANNOT_REMOVE) != 0 && (spec->flags & OBJECT_FLAG_AUTOREMOVE) == 0) {
00456
00457 if (!_cheats.magic_bulldozer.value) return CMD_ERROR;
00458
00459
00460 cost.MultiplyCost(25);
00461 }
00462 } else if ((spec->flags & (OBJECT_FLAG_BUILT_ON_WATER | OBJECT_FLAG_NOT_ON_LAND)) != 0) {
00463
00464 return CMD_ERROR;
00465 }
00466
00467 switch (type) {
00468 case OBJECT_HQ: {
00469 Company *c = Company::Get(GetTileOwner(tile));
00470 if (flags & DC_EXEC) {
00471 c->location_of_HQ = INVALID_TILE;
00472 SetWindowDirty(WC_COMPANY, c->index);
00473 CargoPacket::InvalidateAllFrom(ST_HEADQUARTERS, c->index);
00474 }
00475
00476
00477 cost = CommandCost(EXPENSES_PROPERTY, CalculateCompanyValue(c) / 100);
00478 break;
00479 }
00480
00481 case OBJECT_STATUE:
00482 if (flags & DC_EXEC) {
00483 Town *town = o->town;
00484 ClrBit(town->statues, GetTileOwner(tile));
00485 SetWindowDirty(WC_TOWN_AUTHORITY, town->index);
00486 }
00487 break;
00488
00489 default:
00490 break;
00491 }
00492
00493 if (flags & DC_EXEC) ReallyClearObjectTile(o);
00494
00495 return cost;
00496 }
00497
00498 static void AddAcceptedCargo_Object(TileIndex tile, CargoArray &acceptance, uint32 *always_accepted)
00499 {
00500 if (!IsCompanyHQ(tile)) return;
00501
00502
00503
00504
00505
00506 uint level = GetCompanyHQSize(tile) + 1;
00507
00508
00509
00510 acceptance[CT_PASSENGERS] += max(1U, level);
00511 SetBit(*always_accepted, CT_PASSENGERS);
00512
00513
00514
00515
00516
00517 acceptance[CT_MAIL] += max(1U, level / 2);
00518 SetBit(*always_accepted, CT_MAIL);
00519 }
00520
00521
00522 static void GetTileDesc_Object(TileIndex tile, TileDesc *td)
00523 {
00524 const ObjectSpec *spec = ObjectSpec::GetByTile(tile);
00525 td->str = spec->name;
00526 td->owner[0] = GetTileOwner(tile);
00527 td->build_date = Object::GetByTile(tile)->build_date;
00528
00529 if (spec->grf_prop.grffile != NULL) {
00530 td->grf = GetGRFConfig(spec->grf_prop.grffile->grfid)->GetName();
00531 }
00532 }
00533
00534 static void TileLoop_Object(TileIndex tile)
00535 {
00536 const ObjectSpec *spec = ObjectSpec::GetByTile(tile);
00537 if (spec->flags & OBJECT_FLAG_ANIMATION) {
00538 const Object *o = Object::GetByTile(tile);
00539 TriggerObjectTileAnimation(o, tile, OAT_TILELOOP, spec);
00540 if (o->location.tile == tile) TriggerObjectAnimation(o, OAT_256_TICKS, spec);
00541 }
00542
00543 if (IsTileOnWater(tile)) TileLoop_Water(tile);
00544
00545 if (!IsCompanyHQ(tile)) return;
00546
00547
00548
00549
00550
00551 uint level = GetCompanyHQSize(tile) + 1;
00552 assert(level < 6);
00553
00554 StationFinder stations(TileArea(tile, 2, 2));
00555
00556 uint r = Random();
00557
00558 if (GB(r, 0, 8) < (256 / 4 / (6 - level))) {
00559 uint amt = GB(r, 0, 8) / 8 / 4 + 1;
00560 if (EconomyIsInRecession()) amt = (amt + 1) >> 1;
00561 MoveGoodsToStation(CT_PASSENGERS, amt, ST_HEADQUARTERS, GetTileOwner(tile), stations.GetStations());
00562 }
00563
00564
00565
00566
00567 if (GB(r, 8, 8) < (196 / 4 / (6 - level))) {
00568 uint amt = GB(r, 8, 8) / 8 / 4 + 1;
00569 if (EconomyIsInRecession()) amt = (amt + 1) >> 1;
00570 MoveGoodsToStation(CT_MAIL, amt, ST_HEADQUARTERS, GetTileOwner(tile), stations.GetStations());
00571 }
00572 }
00573
00574
00575 static TrackStatus GetTileTrackStatus_Object(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
00576 {
00577 return 0;
00578 }
00579
00580 static bool ClickTile_Object(TileIndex tile)
00581 {
00582 if (!IsCompanyHQ(tile)) return false;
00583
00584 ShowCompany(GetTileOwner(tile));
00585 return true;
00586 }
00587
00588 static void AnimateTile_Object(TileIndex tile)
00589 {
00590 AnimateNewObjectTile(tile);
00591 }
00592
00599 static bool HasTransmitter(TileIndex tile, void *user)
00600 {
00601 return IsTransmitterTile(tile);
00602 }
00603
00604 void GenerateObjects()
00605 {
00606 if (_settings_game.game_creation.landscape == LT_TOYLAND) return;
00607
00608
00609 int radiotower_to_build = ScaleByMapSize(15);
00610 int lighthouses_to_build = _settings_game.game_creation.landscape == LT_TROPIC ? 0 : ScaleByMapSize1D((Random() & 3) + 7);
00611
00612
00613 if (_settings_game.construction.freeform_edges && lighthouses_to_build != 0) {
00614 uint num_water_tiles = 0;
00615 for (uint x = 0; x < MapMaxX(); x++) {
00616 if (IsTileType(TileXY(x, 1), MP_WATER)) num_water_tiles++;
00617 if (IsTileType(TileXY(x, MapMaxY() - 1), MP_WATER)) num_water_tiles++;
00618 }
00619 for (uint y = 1; y < MapMaxY() - 1; y++) {
00620 if (IsTileType(TileXY(1, y), MP_WATER)) num_water_tiles++;
00621 if (IsTileType(TileXY(MapMaxX() - 1, y), MP_WATER)) num_water_tiles++;
00622 }
00623
00624
00625 lighthouses_to_build = lighthouses_to_build * num_water_tiles / (2 * MapMaxY() + 2 * MapMaxX() - 6);
00626 }
00627
00628 SetGeneratingWorldProgress(GWP_OBJECT, radiotower_to_build + lighthouses_to_build);
00629
00630 for (uint i = ScaleByMapSize(1000); i != 0 && Object::CanAllocateItem(); i--) {
00631 TileIndex tile = RandomTile();
00632
00633 uint h;
00634 if (IsTileType(tile, MP_CLEAR) && GetTileSlope(tile, &h) == SLOPE_FLAT && h >= TILE_HEIGHT * 4 && !IsBridgeAbove(tile)) {
00635 TileIndex t = tile;
00636 if (CircularTileSearch(&t, 9, HasTransmitter, NULL)) continue;
00637
00638 BuildObject(OBJECT_TRANSMITTER, tile);
00639 IncreaseGeneratingWorldProgress(GWP_OBJECT);
00640 if (--radiotower_to_build == 0) break;
00641 }
00642 }
00643
00644
00645 uint maxx = MapMaxX();
00646 uint maxy = MapMaxY();
00647 for (int loop_count = 0; loop_count < 1000 && lighthouses_to_build != 0 && Object::CanAllocateItem(); loop_count++) {
00648 uint r = Random();
00649
00650
00651 int perimeter = (GB(r, 16, 16) % (2 * (maxx + maxy))) - maxy;
00652 DiagDirection dir;
00653 for (dir = DIAGDIR_NE; perimeter > 0; dir++) {
00654 perimeter -= (DiagDirToAxis(dir) == AXIS_X) ? maxx : maxy;
00655 }
00656
00657 TileIndex tile;
00658 switch (dir) {
00659 default:
00660 case DIAGDIR_NE: tile = TileXY(maxx - 1, r % maxy); break;
00661 case DIAGDIR_SE: tile = TileXY(r % maxx, 1); break;
00662 case DIAGDIR_SW: tile = TileXY(1, r % maxy); break;
00663 case DIAGDIR_NW: tile = TileXY(r % maxx, maxy - 1); break;
00664 }
00665
00666
00667 if (!IsTileType(tile, MP_WATER)) continue;
00668
00669 for (int j = 0; j < 19; j++) {
00670 uint h;
00671 if (IsTileType(tile, MP_CLEAR) && GetTileSlope(tile, &h) == SLOPE_FLAT && h <= TILE_HEIGHT * 2 && !IsBridgeAbove(tile)) {
00672 BuildObject(OBJECT_LIGHTHOUSE, tile);
00673 IncreaseGeneratingWorldProgress(GWP_OBJECT);
00674 lighthouses_to_build--;
00675 assert(tile < MapSize());
00676 break;
00677 }
00678 tile = AddTileIndexDiffCWrap(tile, TileIndexDiffCByDiagDir(dir));
00679 if (tile == INVALID_TILE) break;
00680 }
00681 }
00682 }
00683
00684 static void ChangeTileOwner_Object(TileIndex tile, Owner old_owner, Owner new_owner)
00685 {
00686 if (!IsTileOwner(tile, old_owner)) return;
00687
00688 if (IsOwnedLand(tile) && new_owner != INVALID_OWNER) {
00689 SetTileOwner(tile, new_owner);
00690 } else if (IsStatueTile(tile)) {
00691 Town *t = Object::GetByTile(tile)->town;
00692 ClrBit(t->statues, old_owner);
00693 if (new_owner != INVALID_OWNER && !HasBit(t->statues, new_owner)) {
00694
00695 SetBit(t->statues, new_owner);
00696 SetTileOwner(tile, new_owner);
00697 } else {
00698 ReallyClearObjectTile(Object::GetByTile(tile));
00699 }
00700
00701 SetWindowDirty(WC_TOWN_AUTHORITY, t->index);
00702 } else {
00703 ReallyClearObjectTile(Object::GetByTile(tile));
00704 }
00705 }
00706
00707 static CommandCost TerraformTile_Object(TileIndex tile, DoCommandFlag flags, uint z_new, Slope tileh_new)
00708 {
00709 ObjectType type = GetObjectType(tile);
00710
00711 if (type == OBJECT_OWNED_LAND) {
00712
00713 CommandCost ret = CheckTileOwnership(tile);
00714 if (ret.Succeeded()) return CommandCost();
00715 } else if (AutoslopeEnabled() && type != OBJECT_TRANSMITTER && type != OBJECT_LIGHTHOUSE) {
00716
00717
00718
00719
00720
00721
00722 Slope tileh_old = GetTileSlope(tile, NULL);
00723
00724 if (!IsSteepSlope(tileh_old) && !IsSteepSlope(tileh_new) && (GetTileMaxZ(tile) == z_new + GetSlopeMaxZ(tileh_new))) {
00725 const ObjectSpec *spec = ObjectSpec::Get(type);
00726
00727
00728 if (HasBit(spec->callback_mask, CBM_OBJ_AUTOSLOPE)) {
00729
00730 uint16 res = GetObjectCallback(CBID_OBJECT_AUTOSLOPE, 0, 0, spec, Object::GetByTile(tile), tile);
00731 if ((res == 0) || (res == CALLBACK_FAILED)) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
00732 } else if (spec->enabled) {
00733
00734 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
00735 }
00736 }
00737 }
00738
00739 return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00740 }
00741
00742 extern const TileTypeProcs _tile_type_object_procs = {
00743 DrawTile_Object,
00744 GetSlopeZ_Object,
00745 ClearTile_Object,
00746 AddAcceptedCargo_Object,
00747 GetTileDesc_Object,
00748 GetTileTrackStatus_Object,
00749 ClickTile_Object,
00750 AnimateTile_Object,
00751 TileLoop_Object,
00752 ChangeTileOwner_Object,
00753 NULL,
00754 NULL,
00755 GetFoundation_Object,
00756 TerraformTile_Object,
00757 };