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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 MakeObject(t, type, owner, o->index, wc, Random());
00104 MarkTileDirtyByTile(t);
00105 }
00106
00107 Object::IncTypeCount(type);
00108 if (spec->flags & OBJECT_FLAG_ANIMATION) TriggerObjectAnimation(o, OAT_BUILT, spec);
00109 }
00110
00115 static void IncreaseAnimationStage(TileIndex tile)
00116 {
00117 TileArea ta = Object::GetByTile(tile)->location;
00118 TILE_AREA_LOOP(t, ta) {
00119 SetAnimationFrame(t, GetAnimationFrame(t) + 1);
00120 MarkTileDirtyByTile(t);
00121 }
00122 }
00123
00125 #define GetCompanyHQSize GetAnimationFrame
00126
00127 #define IncreaseCompanyHQSize IncreaseAnimationStage
00128
00134 void UpdateCompanyHQ(TileIndex tile, uint score)
00135 {
00136 if (tile == INVALID_TILE) return;
00137
00138 byte val;
00139 (val = 0, score < 170) ||
00140 (val++, score < 350) ||
00141 (val++, score < 520) ||
00142 (val++, score < 720) ||
00143 (val++, true);
00144
00145 while (GetCompanyHQSize(tile) < val) {
00146 IncreaseCompanyHQSize(tile);
00147 }
00148 }
00149
00154 void UpdateObjectColours(const Company *c)
00155 {
00156 Object *obj;
00157 FOR_ALL_OBJECTS(obj) {
00158 Owner owner = GetTileOwner(obj->location.tile);
00159
00160 if (owner != c->index) continue;
00161
00162 const ObjectSpec *spec = ObjectSpec::GetByTile(obj->location.tile);
00163
00164 if (HasBit(spec->callback_mask, CBM_OBJ_COLOUR)) continue;
00165
00166 const Livery *l = c->livery;
00167 obj->colour = ((spec->flags & OBJECT_FLAG_2CC_COLOUR) ? (l->colour2 * 16) : 0) + l->colour1;
00168 }
00169 }
00170
00171 extern CommandCost CheckBuildableTile(TileIndex tile, uint invalid_dirs, int &allowed_z, bool check_bridge);
00172 static CommandCost ClearTile_Object(TileIndex tile, DoCommandFlag flags);
00173
00183 CommandCost CmdBuildObject(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00184 {
00185 CommandCost cost(EXPENSES_PROPERTY);
00186
00187 ObjectType type = (ObjectType)GB(p1, 0, 8);
00188 uint8 view = GB(p2, 0, 2);
00189 const ObjectSpec *spec = ObjectSpec::Get(type);
00190 if (!spec->IsAvailable()) return CMD_ERROR;
00191
00192 if (spec->flags & OBJECT_FLAG_ONLY_IN_SCENEDIT && (_game_mode != GM_EDITOR || _current_company != OWNER_NONE)) return CMD_ERROR;
00193 if (spec->flags & OBJECT_FLAG_ONLY_IN_GAME && (_game_mode != GM_NORMAL || _current_company > MAX_COMPANIES)) return CMD_ERROR;
00194 if (view >= spec->views) return CMD_ERROR;
00195
00196 if (!Object::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_OBJECTS);
00197 if (Town::GetNumItems() == 0) return_cmd_error(STR_ERROR_MUST_FOUND_TOWN_FIRST);
00198
00199 int size_x = GB(spec->size, HasBit(view, 0) ? 4 : 0, 4);
00200 int size_y = GB(spec->size, HasBit(view, 0) ? 0 : 4, 4);
00201 TileArea ta(tile, size_x, size_y);
00202
00203 if (type == OBJECT_OWNED_LAND) {
00204
00205 cost.AddCost(DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR));
00206 } else {
00207
00208 bool allow_water = (spec->flags & (OBJECT_FLAG_BUILT_ON_WATER | OBJECT_FLAG_NOT_ON_LAND)) != 0;
00209 bool allow_ground = (spec->flags & OBJECT_FLAG_NOT_ON_LAND) == 0;
00210 TILE_AREA_LOOP(t, ta) {
00211 if (HasTileWaterGround(t)) {
00212 if (!allow_water) return_cmd_error(STR_ERROR_CAN_T_BUILD_ON_WATER);
00213 if (!IsWaterTile(t)) {
00214
00215
00216 cost.AddCost(DoCommand(t, 0, 0, flags & ~DC_NO_WATER, CMD_LANDSCAPE_CLEAR));
00217 }
00218 } else {
00219 if (!allow_ground) return_cmd_error(STR_ERROR_MUST_BE_BUILT_ON_WATER);
00220
00221 cost.AddCost(DoCommand(t, 0, 0, flags, CMD_LANDSCAPE_CLEAR));
00222 }
00223 }
00224
00225
00226 int allowed_z;
00227 if (GetTileSlope(tile, (uint*)&allowed_z) != SLOPE_FLAT) allowed_z += TILE_HEIGHT;
00228
00229 TILE_AREA_LOOP(t, ta) {
00230 uint16 callback = CALLBACK_FAILED;
00231 if (HasBit(spec->callback_mask, CBM_OBJ_SLOPE_CHECK)) {
00232 TileIndex diff = t - tile;
00233 callback = GetObjectCallback(CBID_OBJECT_LAND_SLOPE_CHECK, GetTileSlope(t, NULL), TileY(diff) << 4 | TileX(diff), spec, NULL, t, view);
00234 }
00235
00236 if (callback == CALLBACK_FAILED) {
00237 cost.AddCost(CheckBuildableTile(t, 0, allowed_z, false));
00238 } else if (callback != 0) {
00239 return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
00240 }
00241 }
00242 }
00243 if (cost.Failed()) return cost;
00244
00245
00246 TILE_AREA_LOOP(t, ta) {
00247 if (MayHaveBridgeAbove(t) && IsBridgeAbove(t) && (
00248 !(spec->flags & OBJECT_FLAG_ALLOW_UNDER_BRIDGE) ||
00249 (GetTileMaxZ(t) + spec->height * TILE_HEIGHT >= GetBridgeHeight(GetSouthernBridgeEnd(t))))) {
00250 return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
00251 }
00252 }
00253
00254 int hq_score = 0;
00255 switch (type) {
00256 case OBJECT_TRANSMITTER:
00257 case OBJECT_LIGHTHOUSE:
00258 if (GetTileSlope(tile, NULL) != SLOPE_FLAT) return_cmd_error(STR_ERROR_FLAT_LAND_REQUIRED);
00259 break;
00260
00261 case OBJECT_OWNED_LAND:
00262 if (IsTileType(tile, MP_OBJECT) &&
00263 IsTileOwner(tile, _current_company) &&
00264 IsOwnedLand(tile)) {
00265 return_cmd_error(STR_ERROR_YOU_ALREADY_OWN_IT);
00266 }
00267 break;
00268
00269 case OBJECT_HQ: {
00270 Company *c = Company::Get(_current_company);
00271 if (c->location_of_HQ != INVALID_TILE) {
00272
00273 _current_company = OWNER_WATER;
00274 cost.AddCost(ClearTile_Object(c->location_of_HQ, flags));
00275 _current_company = c->index;
00276 }
00277
00278 if (flags & DC_EXEC) {
00279 hq_score = UpdateCompanyRatingAndValue(c, false);
00280 c->location_of_HQ = tile;
00281 SetWindowDirty(WC_COMPANY, c->index);
00282 }
00283 break;
00284 }
00285
00286 case OBJECT_STATUE:
00287
00288 return CMD_ERROR;
00289
00290 default:
00291 break;
00292 }
00293
00294 if (flags & DC_EXEC) {
00295 BuildObject(type, tile, _current_company, NULL, view);
00296
00297
00298 if (type == OBJECT_HQ) UpdateCompanyHQ(tile, hq_score);
00299 }
00300
00301 cost.AddCost(ObjectSpec::Get(type)->GetBuildCost() * size_x * size_y);
00302 return cost;
00303 }
00304
00305
00306 static Foundation GetFoundation_Object(TileIndex tile, Slope tileh);
00307
00308 static void DrawTile_Object(TileInfo *ti)
00309 {
00310 ObjectType type = GetObjectType(ti->tile);
00311 const ObjectSpec *spec = ObjectSpec::Get(type);
00312
00313
00314 if (!spec->enabled) type = OBJECT_TRANSMITTER;
00315
00316 if ((spec->flags & OBJECT_FLAG_HAS_NO_FOUNDATION) == 0) DrawFoundation(ti, GetFoundation_Object(ti->tile, ti->tileh));
00317
00318 if (type < NEW_OBJECT_OFFSET) {
00319 const DrawTileSprites *dts = NULL;
00320 Owner to = GetTileOwner(ti->tile);
00321 PaletteID palette = to == OWNER_NONE ? PAL_NONE : COMPANY_SPRITE_COLOUR(to);
00322
00323 if (type == OBJECT_HQ) {
00324 TileIndex diff = ti->tile - Object::GetByTile(ti->tile)->location.tile;
00325 dts = &_object_hq[GetCompanyHQSize(ti->tile) << 2 | TileY(diff) << 1 | TileX(diff)];
00326 } else {
00327 dts = &_objects[type];
00328 }
00329
00330 if (spec->flags & OBJECT_FLAG_HAS_NO_FOUNDATION) {
00331
00332
00333 switch (dts->ground.sprite) {
00334 case SPR_FLAT_BARE_LAND: DrawClearLandTile(ti, 0); break;
00335 case SPR_FLAT_1_THIRD_GRASS_TILE: DrawClearLandTile(ti, 1); break;
00336 case SPR_FLAT_2_THIRD_GRASS_TILE: DrawClearLandTile(ti, 2); break;
00337 case SPR_FLAT_GRASS_TILE: DrawClearLandTile(ti, 3); break;
00338 default: DrawGroundSprite(dts->ground.sprite, palette); break;
00339 }
00340 } else {
00341 DrawGroundSprite(dts->ground.sprite, palette);
00342 }
00343
00344 if (!IsInvisibilitySet(TO_STRUCTURES)) {
00345 const DrawTileSeqStruct *dtss;
00346 foreach_draw_tile_seq(dtss, dts->seq) {
00347 AddSortableSpriteToDraw(
00348 dtss->image.sprite, palette,
00349 ti->x + dtss->delta_x, ti->y + dtss->delta_y,
00350 dtss->size_x, dtss->size_y,
00351 dtss->size_z, ti->z + dtss->delta_z,
00352 IsTransparencySet(TO_STRUCTURES)
00353 );
00354 }
00355 }
00356 } else {
00357 DrawNewObjectTile(ti, spec);
00358 }
00359
00360 if (spec->flags & OBJECT_FLAG_ALLOW_UNDER_BRIDGE) DrawBridgeMiddle(ti);
00361 }
00362
00363 static uint GetSlopeZ_Object(TileIndex tile, uint x, uint y)
00364 {
00365 if (IsOwnedLand(tile)) {
00366 uint z;
00367 Slope tileh = GetTileSlope(tile, &z);
00368
00369 return z + GetPartialZ(x & 0xF, y & 0xF, tileh);
00370 } else {
00371 return GetTileMaxZ(tile);
00372 }
00373 }
00374
00375 static Foundation GetFoundation_Object(TileIndex tile, Slope tileh)
00376 {
00377 return IsOwnedLand(tile) ? FOUNDATION_NONE : FlatteningFoundation(tileh);
00378 }
00379
00384 static void ReallyClearObjectTile(Object *o)
00385 {
00386 Object::DecTypeCount(GetObjectType(o->location.tile));
00387 TILE_AREA_LOOP(tile_cur, o->location) {
00388 DeleteNewGRFInspectWindow(GSF_OBJECTS, tile_cur);
00389
00390 MakeWaterKeepingClass(tile_cur, GetTileOwner(tile_cur));
00391 }
00392 delete o;
00393 }
00394
00395 SmallVector<ClearedObjectArea, 4> _cleared_object_areas;
00396
00402 ClearedObjectArea *FindClearedObject(TileIndex tile)
00403 {
00404 TileArea ta = TileArea(tile, 1, 1);
00405
00406 const ClearedObjectArea *end = _cleared_object_areas.End();
00407 for (ClearedObjectArea *coa = _cleared_object_areas.Begin(); coa != end; coa++) {
00408 if (coa->area.Intersects(ta)) return coa;
00409 }
00410
00411 return NULL;
00412 }
00413
00414 static CommandCost ClearTile_Object(TileIndex tile, DoCommandFlag flags)
00415 {
00416 ObjectType type = GetObjectType(tile);
00417 const ObjectSpec *spec = ObjectSpec::Get(type);
00418
00419
00420 Object *o = Object::GetByTile(tile);
00421 TileArea ta = o->location;
00422
00423 ClearedObjectArea *cleared_area = _cleared_object_areas.Append();
00424 cleared_area->first_tile = tile;
00425 cleared_area->area = ta;
00426
00427 CommandCost cost(EXPENSES_CONSTRUCTION, spec->GetClearCost() * ta.w * ta.h / 5);
00428 if (spec->flags & OBJECT_FLAG_CLEAR_INCOME) cost.MultiplyCost(-1);
00429
00430
00431 if (_current_company != OWNER_WATER) {
00432 if ((flags & DC_NO_WATER) && IsTileOnWater(tile)) {
00433
00434 return_cmd_error(STR_ERROR_CAN_T_BUILD_ON_WATER);
00435 } else if (!(spec->flags & OBJECT_FLAG_AUTOREMOVE) && (flags & DC_AUTO)) {
00436
00437 return_cmd_error(type == OBJECT_HQ ? STR_ERROR_COMPANY_HEADQUARTERS_IN : STR_ERROR_OBJECT_IN_THE_WAY);
00438 } else if (_game_mode == GM_EDITOR) {
00439
00440 } else if (GetTileOwner(tile) == OWNER_NONE) {
00441
00442 if (!_cheats.magic_bulldozer.value) return CMD_ERROR;
00443 } else if (CheckTileOwnership(tile).Failed()) {
00444
00445 return_cmd_error(STR_ERROR_OWNED_BY);
00446 } else if ((spec->flags & OBJECT_FLAG_CANNOT_REMOVE) != 0 && (spec->flags & OBJECT_FLAG_AUTOREMOVE) == 0) {
00447
00448 if (!_cheats.magic_bulldozer.value) return CMD_ERROR;
00449
00450
00451 cost.MultiplyCost(25);
00452 }
00453 } else if ((spec->flags & (OBJECT_FLAG_BUILT_ON_WATER | OBJECT_FLAG_NOT_ON_LAND)) != 0) {
00454
00455 return CMD_ERROR;
00456 }
00457
00458 switch (type) {
00459 case OBJECT_HQ: {
00460 Company *c = Company::Get(GetTileOwner(tile));
00461 if (flags & DC_EXEC) {
00462 c->location_of_HQ = INVALID_TILE;
00463 SetWindowDirty(WC_COMPANY, c->index);
00464 CargoPacket::InvalidateAllFrom(ST_HEADQUARTERS, c->index);
00465 }
00466
00467
00468 cost = CommandCost(EXPENSES_PROPERTY, CalculateCompanyValue(c) / 100);
00469 break;
00470 }
00471
00472 case OBJECT_STATUE:
00473 if (flags & DC_EXEC) {
00474 Town *town = o->town;
00475 ClrBit(town->statues, GetTileOwner(tile));
00476 SetWindowDirty(WC_TOWN_AUTHORITY, town->index);
00477 }
00478 break;
00479
00480 default:
00481 break;
00482 }
00483
00484 if (flags & DC_EXEC) ReallyClearObjectTile(o);
00485
00486 return cost;
00487 }
00488
00489 static void AddAcceptedCargo_Object(TileIndex tile, CargoArray &acceptance, uint32 *always_accepted)
00490 {
00491 if (!IsCompanyHQ(tile)) return;
00492
00493
00494
00495
00496
00497 uint level = GetCompanyHQSize(tile) + 1;
00498
00499
00500
00501 acceptance[CT_PASSENGERS] += max(1U, level);
00502 SetBit(*always_accepted, CT_PASSENGERS);
00503
00504
00505
00506
00507
00508 acceptance[CT_MAIL] += max(1U, level / 2);
00509 SetBit(*always_accepted, CT_MAIL);
00510 }
00511
00512
00513 static void GetTileDesc_Object(TileIndex tile, TileDesc *td)
00514 {
00515 const ObjectSpec *spec = ObjectSpec::GetByTile(tile);
00516 td->str = spec->name;
00517 td->owner[0] = GetTileOwner(tile);
00518 td->build_date = Object::GetByTile(tile)->build_date;
00519
00520 if (spec->grf_prop.grffile != NULL) {
00521 td->grf = GetGRFConfig(spec->grf_prop.grffile->grfid)->GetName();
00522 }
00523 }
00524
00525 static void TileLoop_Object(TileIndex tile)
00526 {
00527 const ObjectSpec *spec = ObjectSpec::GetByTile(tile);
00528 if (spec->flags & OBJECT_FLAG_ANIMATION) {
00529 const Object *o = Object::GetByTile(tile);
00530 TriggerObjectTileAnimation(o, tile, OAT_TILELOOP, spec);
00531 if (o->location.tile == tile) TriggerObjectAnimation(o, OAT_256_TICKS, spec);
00532 }
00533
00534 if (IsTileOnWater(tile)) TileLoop_Water(tile);
00535
00536 if (!IsCompanyHQ(tile)) return;
00537
00538
00539
00540
00541
00542 uint level = GetCompanyHQSize(tile) + 1;
00543 assert(level < 6);
00544
00545 StationFinder stations(TileArea(tile, 2, 2));
00546
00547 uint r = Random();
00548
00549 if (GB(r, 0, 8) < (256 / 4 / (6 - level))) {
00550 uint amt = GB(r, 0, 8) / 8 / 4 + 1;
00551 if (EconomyIsInRecession()) amt = (amt + 1) >> 1;
00552 MoveGoodsToStation(CT_PASSENGERS, amt, ST_HEADQUARTERS, GetTileOwner(tile), stations.GetStations(), tile);
00553 }
00554
00555
00556
00557
00558 if (GB(r, 8, 8) < (196 / 4 / (6 - level))) {
00559 uint amt = GB(r, 8, 8) / 8 / 4 + 1;
00560 if (EconomyIsInRecession()) amt = (amt + 1) >> 1;
00561 MoveGoodsToStation(CT_MAIL, amt, ST_HEADQUARTERS, GetTileOwner(tile), stations.GetStations(), tile);
00562 }
00563 }
00564
00565
00566 static TrackStatus GetTileTrackStatus_Object(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
00567 {
00568 return 0;
00569 }
00570
00571 static bool ClickTile_Object(TileIndex tile)
00572 {
00573 if (!IsCompanyHQ(tile)) return false;
00574
00575 ShowCompany(GetTileOwner(tile));
00576 return true;
00577 }
00578
00579 static void AnimateTile_Object(TileIndex tile)
00580 {
00581 AnimateNewObjectTile(tile);
00582 }
00583
00590 static bool HasTransmitter(TileIndex tile, void *user)
00591 {
00592 return IsTransmitterTile(tile);
00593 }
00594
00595 void GenerateObjects()
00596 {
00597 if (_settings_game.game_creation.landscape == LT_TOYLAND) return;
00598
00599
00600 int radiotower_to_build = ScaleByMapSize(15);
00601 int lighthouses_to_build = _settings_game.game_creation.landscape == LT_TROPIC ? 0 : ScaleByMapSize1D((Random() & 3) + 7);
00602
00603
00604 if (_settings_game.construction.freeform_edges && lighthouses_to_build != 0) {
00605 uint num_water_tiles = 0;
00606 for (uint x = 0; x < MapMaxX(); x++) {
00607 if (IsTileType(TileXY(x, 1), MP_WATER)) num_water_tiles++;
00608 if (IsTileType(TileXY(x, MapMaxY() - 1), MP_WATER)) num_water_tiles++;
00609 }
00610 for (uint y = 1; y < MapMaxY() - 1; y++) {
00611 if (IsTileType(TileXY(1, y), MP_WATER)) num_water_tiles++;
00612 if (IsTileType(TileXY(MapMaxX() - 1, y), MP_WATER)) num_water_tiles++;
00613 }
00614
00615
00616 lighthouses_to_build = lighthouses_to_build * num_water_tiles / (2 * MapMaxY() + 2 * MapMaxX() - 6);
00617 }
00618
00619 SetGeneratingWorldProgress(GWP_OBJECT, radiotower_to_build + lighthouses_to_build);
00620
00621 for (uint i = ScaleByMapSize(1000); i != 0 && Object::CanAllocateItem(); i--) {
00622 TileIndex tile = RandomTile();
00623
00624 uint h;
00625 if (IsTileType(tile, MP_CLEAR) && GetTileSlope(tile, &h) == SLOPE_FLAT && h >= TILE_HEIGHT * 4 && !IsBridgeAbove(tile)) {
00626 TileIndex t = tile;
00627 if (CircularTileSearch(&t, 9, HasTransmitter, NULL)) continue;
00628
00629 BuildObject(OBJECT_TRANSMITTER, tile);
00630 IncreaseGeneratingWorldProgress(GWP_OBJECT);
00631 if (--radiotower_to_build == 0) break;
00632 }
00633 }
00634
00635
00636 uint maxx = MapMaxX();
00637 uint maxy = MapMaxY();
00638 for (int loop_count = 0; loop_count < 1000 && lighthouses_to_build != 0 && Object::CanAllocateItem(); loop_count++) {
00639 uint r = Random();
00640
00641
00642 int perimeter = (GB(r, 16, 16) % (2 * (maxx + maxy))) - maxy;
00643 DiagDirection dir;
00644 for (dir = DIAGDIR_NE; perimeter > 0; dir++) {
00645 perimeter -= (DiagDirToAxis(dir) == AXIS_X) ? maxx : maxy;
00646 }
00647
00648 TileIndex tile;
00649 switch (dir) {
00650 default:
00651 case DIAGDIR_NE: tile = TileXY(maxx - 1, r % maxy); break;
00652 case DIAGDIR_SE: tile = TileXY(r % maxx, 1); break;
00653 case DIAGDIR_SW: tile = TileXY(1, r % maxy); break;
00654 case DIAGDIR_NW: tile = TileXY(r % maxx, maxy - 1); break;
00655 }
00656
00657
00658 if (!IsTileType(tile, MP_WATER)) continue;
00659
00660 for (int j = 0; j < 19; j++) {
00661 uint h;
00662 if (IsTileType(tile, MP_CLEAR) && GetTileSlope(tile, &h) == SLOPE_FLAT && h <= TILE_HEIGHT * 2 && !IsBridgeAbove(tile)) {
00663 BuildObject(OBJECT_LIGHTHOUSE, tile);
00664 IncreaseGeneratingWorldProgress(GWP_OBJECT);
00665 lighthouses_to_build--;
00666 assert(tile < MapSize());
00667 break;
00668 }
00669 tile = AddTileIndexDiffCWrap(tile, TileIndexDiffCByDiagDir(dir));
00670 if (tile == INVALID_TILE) break;
00671 }
00672 }
00673 }
00674
00675 static void ChangeTileOwner_Object(TileIndex tile, Owner old_owner, Owner new_owner)
00676 {
00677 if (!IsTileOwner(tile, old_owner)) return;
00678
00679 if (IsOwnedLand(tile) && new_owner != INVALID_OWNER) {
00680 SetTileOwner(tile, new_owner);
00681 } else if (IsStatueTile(tile)) {
00682 Town *t = Object::GetByTile(tile)->town;
00683 ClrBit(t->statues, old_owner);
00684 if (new_owner != INVALID_OWNER && !HasBit(t->statues, new_owner)) {
00685
00686 SetBit(t->statues, new_owner);
00687 SetTileOwner(tile, new_owner);
00688 } else {
00689 ReallyClearObjectTile(Object::GetByTile(tile));
00690 }
00691
00692 SetWindowDirty(WC_TOWN_AUTHORITY, t->index);
00693 } else {
00694 ReallyClearObjectTile(Object::GetByTile(tile));
00695 }
00696 }
00697
00698 static CommandCost TerraformTile_Object(TileIndex tile, DoCommandFlag flags, uint z_new, Slope tileh_new)
00699 {
00700 ObjectType type = GetObjectType(tile);
00701
00702 if (type == OBJECT_OWNED_LAND) {
00703
00704 CommandCost ret = CheckTileOwnership(tile);
00705 if (ret.Succeeded()) return CommandCost();
00706 } else if (AutoslopeEnabled() && type != OBJECT_TRANSMITTER && type != OBJECT_LIGHTHOUSE) {
00707
00708
00709
00710
00711
00712
00713 Slope tileh_old = GetTileSlope(tile, NULL);
00714
00715 if (!IsSteepSlope(tileh_old) && !IsSteepSlope(tileh_new) && (GetTileMaxZ(tile) == z_new + GetSlopeMaxZ(tileh_new))) {
00716 const ObjectSpec *spec = ObjectSpec::Get(type);
00717
00718
00719 if (HasBit(spec->callback_mask, CBM_OBJ_AUTOSLOPE)) {
00720
00721 uint16 res = GetObjectCallback(CBID_OBJECT_AUTOSLOPE, 0, 0, spec, Object::GetByTile(tile), tile);
00722 if ((res == 0) || (res == CALLBACK_FAILED)) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
00723 } else if (spec->enabled) {
00724
00725 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
00726 }
00727 }
00728 }
00729
00730 return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00731 }
00732
00733 extern const TileTypeProcs _tile_type_object_procs = {
00734 DrawTile_Object,
00735 GetSlopeZ_Object,
00736 ClearTile_Object,
00737 AddAcceptedCargo_Object,
00738 GetTileDesc_Object,
00739 GetTileTrackStatus_Object,
00740 ClickTile_Object,
00741 AnimateTile_Object,
00742 TileLoop_Object,
00743 ChangeTileOwner_Object,
00744 NULL,
00745 NULL,
00746 GetFoundation_Object,
00747 TerraformTile_Object,
00748 };