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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 "functions.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.h"
00034 #include "newgrf_config.h"
00035 #include "newgrf_object.h"
00036 #include "date_func.h"
00037 #include "newgrf_debug.h"
00038
00039 #include "table/strings.h"
00040 #include "table/object_land.h"
00041
00042 ObjectPool _object_pool("Object");
00043 INSTANTIATE_POOL_METHODS(Object)
00044 uint16 Object::counts[NUM_OBJECTS];
00045
00051 Object *Object::GetByTile(TileIndex tile)
00052 {
00053 return Object::Get(GetObjectIndex(tile));
00054 }
00055
00057 void InitializeObjects()
00058 {
00059 _object_pool.CleanPool();
00060 Object::ResetTypeCounts();
00061 }
00062
00073 void BuildObject(ObjectType type, TileIndex tile, CompanyID owner, Town *town, uint8 view)
00074 {
00075 const ObjectSpec *spec = ObjectSpec::Get(type);
00076
00077 TileArea ta(tile, GB(spec->size, HasBit(view, 0) ? 4 : 0, 4), GB(spec->size, HasBit(view, 0) ? 0 : 4, 4));
00078 Object *o = new Object();
00079 o->location = ta;
00080 o->town = town == NULL ? CalcClosestTownFromTile(tile) : town;
00081 o->build_date = _date;
00082 o->view = view;
00083
00084
00085
00086 if (owner == OWNER_NONE) {
00087 o->colour = Random();
00088 } else {
00089 const Livery *l = Company::Get(owner)->livery;
00090 o->colour = l->colour1 + l->colour2 * 16;
00091 }
00092
00093
00094 if ((spec->flags & OBJECT_FLAG_2CC_COLOUR) == 0) o->colour &= 0xF;
00095
00096 if (HasBit(spec->callback_mask, CBM_OBJ_COLOUR)) {
00097 uint16 res = GetObjectCallback(CBID_OBJECT_COLOUR, o->colour, 0, spec, o, tile);
00098 if (res != CALLBACK_FAILED) o->colour = GB(res, 0, 8);
00099 }
00100
00101 assert(o->town != NULL);
00102
00103 TILE_AREA_LOOP(t, ta) {
00104 WaterClass wc = (IsWaterTile(t) ? GetWaterClass(t) : WATER_CLASS_INVALID);
00105 MakeObject(t, type, owner, o->index, wc, Random());
00106 MarkTileDirtyByTile(t);
00107 }
00108
00109 Object::IncTypeCount(type);
00110 if (spec->flags & OBJECT_FLAG_ANIMATION) TriggerObjectAnimation(o, OAT_BUILT, spec);
00111 }
00112
00117 static void IncreaseAnimationStage(TileIndex tile)
00118 {
00119 TileArea ta = Object::GetByTile(tile)->location;
00120 TILE_AREA_LOOP(t, ta) {
00121 SetAnimationFrame(t, GetAnimationFrame(t) + 1);
00122 MarkTileDirtyByTile(t);
00123 }
00124 }
00125
00127 #define GetCompanyHQSize GetAnimationFrame
00128
00129 #define IncreaseCompanyHQSize IncreaseAnimationStage
00130
00136 void UpdateCompanyHQ(TileIndex tile, uint score)
00137 {
00138 if (tile == INVALID_TILE) return;
00139
00140 byte val;
00141 (val = 0, score < 170) ||
00142 (val++, score < 350) ||
00143 (val++, score < 520) ||
00144 (val++, score < 720) ||
00145 (val++, true);
00146
00147 while (GetCompanyHQSize(tile) < val) {
00148 IncreaseCompanyHQSize(tile);
00149 }
00150 }
00151
00156 void UpdateObjectColours(const Company *c)
00157 {
00158 Object *obj;
00159 FOR_ALL_OBJECTS(obj) {
00160 Owner owner = GetTileOwner(obj->location.tile);
00161
00162 if (owner != c->index) continue;
00163
00164 const ObjectSpec *spec = ObjectSpec::GetByTile(obj->location.tile);
00165
00166 if (HasBit(spec->callback_mask, CBM_OBJ_COLOUR)) continue;
00167
00168 const Livery *l = c->livery;
00169 obj->colour = ((spec->flags & OBJECT_FLAG_2CC_COLOUR) ? (l->colour2 * 16) : 0) + l->colour1;
00170 }
00171 }
00172
00173 extern CommandCost CheckBuildableTile(TileIndex tile, uint invalid_dirs, int &allowed_z, bool check_bridge);
00174 static CommandCost ClearTile_Object(TileIndex tile, DoCommandFlag flags);
00175
00185 CommandCost CmdBuildObject(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00186 {
00187 CommandCost cost(EXPENSES_PROPERTY);
00188
00189 ObjectType type = (ObjectType)GB(p1, 0, 8);
00190 uint8 view = GB(p2, 0, 2);
00191 const ObjectSpec *spec = ObjectSpec::Get(type);
00192 if (!spec->IsAvailable()) return CMD_ERROR;
00193
00194 if (spec->flags & OBJECT_FLAG_ONLY_IN_SCENEDIT && (_game_mode != GM_EDITOR || _current_company != OWNER_NONE)) return CMD_ERROR;
00195 if (spec->flags & OBJECT_FLAG_ONLY_IN_GAME && (_game_mode != GM_NORMAL || _current_company > MAX_COMPANIES)) return CMD_ERROR;
00196 if (view >= spec->views) return CMD_ERROR;
00197
00198 if (!Object::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_OBJECTS);
00199 if (Town::GetNumItems() == 0) return_cmd_error(STR_ERROR_MUST_FOUND_TOWN_FIRST);
00200
00201 int size_x = GB(spec->size, HasBit(view, 0) ? 4 : 0, 4);
00202 int size_y = GB(spec->size, HasBit(view, 0) ? 0 : 4, 4);
00203 TileArea ta(tile, size_x, size_y);
00204
00205 if (type == OBJECT_OWNED_LAND) {
00206
00207 cost.AddCost(DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR));
00208 } else {
00209
00210 bool allow_water = (spec->flags & (OBJECT_FLAG_BUILT_ON_WATER | OBJECT_FLAG_NOT_ON_LAND)) != 0;
00211 bool allow_ground = (spec->flags & OBJECT_FLAG_NOT_ON_LAND) == 0;
00212 TILE_AREA_LOOP(t, ta) {
00213 if (HasTileWaterGround(t)) {
00214 if (!allow_water) return_cmd_error(STR_ERROR_CAN_T_BUILD_ON_WATER);
00215 if (!IsWaterTile(t)) {
00216
00217
00218 cost.AddCost(DoCommand(t, 0, 0, flags & ~DC_NO_WATER, CMD_LANDSCAPE_CLEAR));
00219 }
00220 } else {
00221 if (!allow_ground) return_cmd_error(STR_ERROR_MUST_BE_BUILT_ON_WATER);
00222
00223 cost.AddCost(DoCommand(t, 0, 0, flags, CMD_LANDSCAPE_CLEAR));
00224 }
00225 }
00226
00227
00228 int allowed_z;
00229 if (GetTileSlope(tile, (uint*)&allowed_z) != SLOPE_FLAT) allowed_z += TILE_HEIGHT;
00230
00231 TILE_AREA_LOOP(t, ta) {
00232 uint16 callback = CALLBACK_FAILED;
00233 if (HasBit(spec->callback_mask, CBM_OBJ_SLOPE_CHECK)) {
00234 TileIndex diff = t - tile;
00235 callback = GetObjectCallback(CBID_OBJECT_LAND_SLOPE_CHECK, GetTileSlope(t, NULL), TileY(diff) << 4 | TileX(diff), spec, NULL, t, view);
00236 }
00237
00238 if (callback == CALLBACK_FAILED) {
00239 cost.AddCost(CheckBuildableTile(t, 0, allowed_z, false));
00240 } else if (callback != 0) {
00241 return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
00242 }
00243 }
00244 }
00245 if (cost.Failed()) return cost;
00246
00247
00248 TILE_AREA_LOOP(t, ta) {
00249 if (MayHaveBridgeAbove(t) && IsBridgeAbove(t) && (
00250 !(spec->flags & OBJECT_FLAG_ALLOW_UNDER_BRIDGE) ||
00251 (GetTileMaxZ(t) + spec->height * TILE_HEIGHT >= GetBridgeHeight(GetSouthernBridgeEnd(t))))) {
00252 return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
00253 }
00254 }
00255
00256 int hq_score = 0;
00257 switch (type) {
00258 case OBJECT_TRANSMITTER:
00259 case OBJECT_LIGHTHOUSE:
00260 if (GetTileSlope(tile, NULL) != SLOPE_FLAT) return_cmd_error(STR_ERROR_FLAT_LAND_REQUIRED);
00261 break;
00262
00263 case OBJECT_OWNED_LAND:
00264 if (IsTileType(tile, MP_OBJECT) &&
00265 IsTileOwner(tile, _current_company) &&
00266 IsOwnedLand(tile)) {
00267 return_cmd_error(STR_ERROR_YOU_ALREADY_OWN_IT);
00268 }
00269 break;
00270
00271 case OBJECT_HQ: {
00272 Company *c = Company::Get(_current_company);
00273 if (c->location_of_HQ != INVALID_TILE) {
00274
00275 _current_company = OWNER_WATER;
00276 cost.AddCost(ClearTile_Object(c->location_of_HQ, flags));
00277 _current_company = c->index;
00278 }
00279
00280 if (flags & DC_EXEC) {
00281 hq_score = UpdateCompanyRatingAndValue(c, false);
00282 c->location_of_HQ = tile;
00283 SetWindowDirty(WC_COMPANY, c->index);
00284 }
00285 break;
00286 }
00287
00288 case OBJECT_STATUE:
00289
00290 return CMD_ERROR;
00291
00292 default:
00293 break;
00294 }
00295
00296 if (flags & DC_EXEC) {
00297 BuildObject(type, tile, _current_company, NULL, view);
00298
00299
00300 if (type == OBJECT_HQ) UpdateCompanyHQ(tile, hq_score);
00301 }
00302
00303 cost.AddCost(ObjectSpec::Get(type)->GetBuildCost() * size_x * size_y);
00304 return cost;
00305 }
00306
00307
00308 static Foundation GetFoundation_Object(TileIndex tile, Slope tileh);
00309
00310 static void DrawTile_Object(TileInfo *ti)
00311 {
00312 ObjectType type = GetObjectType(ti->tile);
00313 const ObjectSpec *spec = ObjectSpec::Get(type);
00314
00315
00316 if (!spec->enabled) type = OBJECT_TRANSMITTER;
00317
00318 if ((spec->flags & OBJECT_FLAG_HAS_NO_FOUNDATION) == 0) DrawFoundation(ti, GetFoundation_Object(ti->tile, ti->tileh));
00319
00320 if (type < NEW_OBJECT_OFFSET) {
00321 const DrawTileSprites *dts = NULL;
00322 Owner to = GetTileOwner(ti->tile);
00323 PaletteID palette = to == OWNER_NONE ? PAL_NONE : COMPANY_SPRITE_COLOUR(to);
00324
00325 if (type == OBJECT_HQ) {
00326 TileIndex diff = ti->tile - Object::GetByTile(ti->tile)->location.tile;
00327 dts = &_object_hq[GetCompanyHQSize(ti->tile) << 2 | TileY(diff) << 1 | TileX(diff)];
00328 } else {
00329 dts = &_objects[type];
00330 }
00331
00332 if (spec->flags & OBJECT_FLAG_HAS_NO_FOUNDATION) {
00333
00334
00335 switch (dts->ground.sprite) {
00336 case SPR_FLAT_BARE_LAND: DrawClearLandTile(ti, 0); break;
00337 case SPR_FLAT_1_THIRD_GRASS_TILE: DrawClearLandTile(ti, 1); break;
00338 case SPR_FLAT_2_THIRD_GRASS_TILE: DrawClearLandTile(ti, 2); break;
00339 case SPR_FLAT_GRASS_TILE: DrawClearLandTile(ti, 3); break;
00340 default: DrawGroundSprite(dts->ground.sprite, palette); break;
00341 }
00342 } else {
00343 DrawGroundSprite(dts->ground.sprite, palette);
00344 }
00345
00346 if (!IsInvisibilitySet(TO_STRUCTURES)) {
00347 const DrawTileSeqStruct *dtss;
00348 foreach_draw_tile_seq(dtss, dts->seq) {
00349 AddSortableSpriteToDraw(
00350 dtss->image.sprite, palette,
00351 ti->x + dtss->delta_x, ti->y + dtss->delta_y,
00352 dtss->size_x, dtss->size_y,
00353 dtss->size_z, ti->z + dtss->delta_z,
00354 IsTransparencySet(TO_STRUCTURES)
00355 );
00356 }
00357 }
00358 } else {
00359 DrawNewObjectTile(ti, spec);
00360 }
00361
00362 if (spec->flags & OBJECT_FLAG_ALLOW_UNDER_BRIDGE) DrawBridgeMiddle(ti);
00363 }
00364
00365 static uint GetSlopeZ_Object(TileIndex tile, uint x, uint y)
00366 {
00367 if (IsOwnedLand(tile)) {
00368 uint z;
00369 Slope tileh = GetTileSlope(tile, &z);
00370
00371 return z + GetPartialZ(x & 0xF, y & 0xF, tileh);
00372 } else {
00373 return GetTileMaxZ(tile);
00374 }
00375 }
00376
00377 static Foundation GetFoundation_Object(TileIndex tile, Slope tileh)
00378 {
00379 return IsOwnedLand(tile) ? FOUNDATION_NONE : FlatteningFoundation(tileh);
00380 }
00381
00386 static void ReallyClearObjectTile(Object *o)
00387 {
00388 Object::DecTypeCount(GetObjectType(o->location.tile));
00389 TILE_AREA_LOOP(tile_cur, o->location) {
00390 DeleteNewGRFInspectWindow(GSF_OBJECTS, tile_cur);
00391
00392 MakeWaterKeepingClass(tile_cur, GetTileOwner(tile_cur));
00393 }
00394 delete o;
00395 }
00396
00397 SmallVector<ClearedObjectArea, 4> _cleared_object_areas;
00398
00404 ClearedObjectArea *FindClearedObject(TileIndex tile)
00405 {
00406 TileArea ta = TileArea(tile, 1, 1);
00407
00408 const ClearedObjectArea *end = _cleared_object_areas.End();
00409 for (ClearedObjectArea *coa = _cleared_object_areas.Begin(); coa != end; coa++) {
00410 if (coa->area.Intersects(ta)) return coa;
00411 }
00412
00413 return NULL;
00414 }
00415
00416 static CommandCost ClearTile_Object(TileIndex tile, DoCommandFlag flags)
00417 {
00418 ObjectType type = GetObjectType(tile);
00419 const ObjectSpec *spec = ObjectSpec::Get(type);
00420
00421
00422 Object *o = Object::GetByTile(tile);
00423 TileArea ta = o->location;
00424
00425 ClearedObjectArea *cleared_area = _cleared_object_areas.Append();
00426 cleared_area->first_tile = tile;
00427 cleared_area->area = ta;
00428
00429 CommandCost cost(EXPENSES_CONSTRUCTION, spec->GetClearCost() * ta.w * ta.h / 5);
00430 if (spec->flags & OBJECT_FLAG_CLEAR_INCOME) cost.MultiplyCost(-1);
00431
00432
00433 if (_current_company != OWNER_WATER) {
00434 if ((flags & DC_NO_WATER) && IsTileOnWater(tile)) {
00435
00436 return_cmd_error(STR_ERROR_CAN_T_BUILD_ON_WATER);
00437 } else if (!(spec->flags & OBJECT_FLAG_AUTOREMOVE) && (flags & DC_AUTO)) {
00438
00439 return_cmd_error(type == OBJECT_HQ ? STR_ERROR_COMPANY_HEADQUARTERS_IN : STR_ERROR_OBJECT_IN_THE_WAY);
00440 } else if (_game_mode == GM_EDITOR) {
00441
00442 } else if (GetTileOwner(tile) == OWNER_NONE) {
00443
00444 if (!_cheats.magic_bulldozer.value) return CMD_ERROR;
00445 } else if (CheckTileOwnership(tile).Failed()) {
00446
00447 return_cmd_error(STR_ERROR_OWNED_BY);
00448 } else if ((spec->flags & OBJECT_FLAG_CANNOT_REMOVE) != 0 && (spec->flags & OBJECT_FLAG_AUTOREMOVE) == 0) {
00449
00450 if (!_cheats.magic_bulldozer.value) return CMD_ERROR;
00451
00452
00453 cost.MultiplyCost(25);
00454 }
00455 } else if ((spec->flags & (OBJECT_FLAG_BUILT_ON_WATER | OBJECT_FLAG_NOT_ON_LAND)) != 0) {
00456
00457 return CMD_ERROR;
00458 }
00459
00460 switch (type) {
00461 case OBJECT_HQ: {
00462 Company *c = Company::Get(GetTileOwner(tile));
00463 if (flags & DC_EXEC) {
00464 c->location_of_HQ = INVALID_TILE;
00465 SetWindowDirty(WC_COMPANY, c->index);
00466 CargoPacket::InvalidateAllFrom(ST_HEADQUARTERS, c->index);
00467 }
00468
00469
00470 cost = CommandCost(EXPENSES_PROPERTY, CalculateCompanyValue(c) / 100);
00471 break;
00472 }
00473
00474 case OBJECT_STATUE:
00475 if (flags & DC_EXEC) {
00476 Town *town = o->town;
00477 ClrBit(town->statues, GetTileOwner(tile));
00478 SetWindowDirty(WC_TOWN_AUTHORITY, town->index);
00479 }
00480 break;
00481
00482 default:
00483 break;
00484 }
00485
00486 if (flags & DC_EXEC) ReallyClearObjectTile(o);
00487
00488 return cost;
00489 }
00490
00491 static void AddAcceptedCargo_Object(TileIndex tile, CargoArray &acceptance, uint32 *always_accepted)
00492 {
00493 if (!IsCompanyHQ(tile)) return;
00494
00495
00496
00497
00498
00499 uint level = GetCompanyHQSize(tile) + 1;
00500
00501
00502
00503 acceptance[CT_PASSENGERS] += max(1U, level);
00504 SetBit(*always_accepted, CT_PASSENGERS);
00505
00506
00507
00508
00509
00510 acceptance[CT_MAIL] += max(1U, level / 2);
00511 SetBit(*always_accepted, CT_MAIL);
00512 }
00513
00514
00515 static void GetTileDesc_Object(TileIndex tile, TileDesc *td)
00516 {
00517 const ObjectSpec *spec = ObjectSpec::GetByTile(tile);
00518 td->str = spec->name;
00519 td->owner[0] = GetTileOwner(tile);
00520 td->build_date = Object::GetByTile(tile)->build_date;
00521
00522 if (spec->grf_prop.grffile != NULL) {
00523 td->grf = GetGRFConfig(spec->grf_prop.grffile->grfid)->GetName();
00524 }
00525 }
00526
00527 static void TileLoop_Object(TileIndex tile)
00528 {
00529 const ObjectSpec *spec = ObjectSpec::GetByTile(tile);
00530 if (spec->flags & OBJECT_FLAG_ANIMATION) {
00531 const Object *o = Object::GetByTile(tile);
00532 TriggerObjectTileAnimation(o, tile, OAT_TILELOOP, spec);
00533 if (o->location.tile == tile) TriggerObjectAnimation(o, OAT_256_TICKS, spec);
00534 }
00535
00536 if (IsTileOnWater(tile)) TileLoop_Water(tile);
00537
00538 if (!IsCompanyHQ(tile)) return;
00539
00540
00541
00542
00543
00544 uint level = GetCompanyHQSize(tile) + 1;
00545 assert(level < 6);
00546
00547 StationFinder stations(TileArea(tile, 2, 2));
00548
00549 uint r = Random();
00550
00551 if (GB(r, 0, 8) < (256 / 4 / (6 - level))) {
00552 uint amt = GB(r, 0, 8) / 8 / 4 + 1;
00553 if (EconomyIsInRecession()) amt = (amt + 1) >> 1;
00554 MoveGoodsToStation(CT_PASSENGERS, amt, ST_HEADQUARTERS, GetTileOwner(tile), stations.GetStations());
00555 }
00556
00557
00558
00559
00560 if (GB(r, 8, 8) < (196 / 4 / (6 - level))) {
00561 uint amt = GB(r, 8, 8) / 8 / 4 + 1;
00562 if (EconomyIsInRecession()) amt = (amt + 1) >> 1;
00563 MoveGoodsToStation(CT_MAIL, amt, ST_HEADQUARTERS, GetTileOwner(tile), stations.GetStations());
00564 }
00565 }
00566
00567
00568 static TrackStatus GetTileTrackStatus_Object(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
00569 {
00570 return 0;
00571 }
00572
00573 static bool ClickTile_Object(TileIndex tile)
00574 {
00575 if (!IsCompanyHQ(tile)) return false;
00576
00577 ShowCompany(GetTileOwner(tile));
00578 return true;
00579 }
00580
00581 static void AnimateTile_Object(TileIndex tile)
00582 {
00583 AnimateNewObjectTile(tile);
00584 }
00585
00592 static bool HasTransmitter(TileIndex tile, void *user)
00593 {
00594 return IsTransmitterTile(tile);
00595 }
00596
00597 void GenerateObjects()
00598 {
00599 if (_settings_game.game_creation.landscape == LT_TOYLAND) return;
00600
00601
00602 int radiotower_to_build = ScaleByMapSize(15);
00603 int lighthouses_to_build = _settings_game.game_creation.landscape == LT_TROPIC ? 0 : ScaleByMapSize1D((Random() & 3) + 7);
00604
00605
00606 if (_settings_game.construction.freeform_edges && lighthouses_to_build != 0) {
00607 uint num_water_tiles = 0;
00608 for (uint x = 0; x < MapMaxX(); x++) {
00609 if (IsTileType(TileXY(x, 1), MP_WATER)) num_water_tiles++;
00610 if (IsTileType(TileXY(x, MapMaxY() - 1), MP_WATER)) num_water_tiles++;
00611 }
00612 for (uint y = 1; y < MapMaxY() - 1; y++) {
00613 if (IsTileType(TileXY(1, y), MP_WATER)) num_water_tiles++;
00614 if (IsTileType(TileXY(MapMaxX() - 1, y), MP_WATER)) num_water_tiles++;
00615 }
00616
00617
00618 lighthouses_to_build = lighthouses_to_build * num_water_tiles / (2 * MapMaxY() + 2 * MapMaxX() - 6);
00619 }
00620
00621 SetGeneratingWorldProgress(GWP_OBJECT, radiotower_to_build + lighthouses_to_build);
00622
00623 for (uint i = ScaleByMapSize(1000); i != 0; i--) {
00624 TileIndex tile = RandomTile();
00625
00626 uint h;
00627 if (IsTileType(tile, MP_CLEAR) && GetTileSlope(tile, &h) == SLOPE_FLAT && h >= TILE_HEIGHT * 4 && !IsBridgeAbove(tile)) {
00628 TileIndex t = tile;
00629 if (CircularTileSearch(&t, 9, HasTransmitter, NULL)) continue;
00630
00631 BuildObject(OBJECT_TRANSMITTER, tile);
00632 IncreaseGeneratingWorldProgress(GWP_OBJECT);
00633 if (--radiotower_to_build == 0) break;
00634 }
00635 }
00636
00637
00638 uint maxx = MapMaxX();
00639 uint maxy = MapMaxY();
00640 for (int loop_count = 0; loop_count < 1000 && lighthouses_to_build != 0; loop_count++) {
00641 uint r = Random();
00642
00643
00644 int perimeter = (GB(r, 16, 16) % (2 * (maxx + maxy))) - maxy;
00645 DiagDirection dir;
00646 for (dir = DIAGDIR_NE; perimeter > 0; dir++) {
00647 perimeter -= (DiagDirToAxis(dir) == AXIS_X) ? maxx : maxy;
00648 }
00649
00650 TileIndex tile;
00651 switch (dir) {
00652 default:
00653 case DIAGDIR_NE: tile = TileXY(maxx - 1, r % maxy); break;
00654 case DIAGDIR_SE: tile = TileXY(r % maxx, 1); break;
00655 case DIAGDIR_SW: tile = TileXY(1, r % maxy); break;
00656 case DIAGDIR_NW: tile = TileXY(r % maxx, maxy - 1); break;
00657 }
00658
00659
00660 if (!IsTileType(tile, MP_WATER)) continue;
00661
00662 for (int j = 0; j < 19; j++) {
00663 uint h;
00664 if (IsTileType(tile, MP_CLEAR) && GetTileSlope(tile, &h) == SLOPE_FLAT && h <= TILE_HEIGHT * 2 && !IsBridgeAbove(tile)) {
00665 BuildObject(OBJECT_LIGHTHOUSE, tile);
00666 IncreaseGeneratingWorldProgress(GWP_OBJECT);
00667 lighthouses_to_build--;
00668 assert(tile < MapSize());
00669 break;
00670 }
00671 tile = AddTileIndexDiffCWrap(tile, TileIndexDiffCByDiagDir(dir));
00672 if (tile == INVALID_TILE) break;
00673 }
00674 }
00675 }
00676
00677 static void ChangeTileOwner_Object(TileIndex tile, Owner old_owner, Owner new_owner)
00678 {
00679 if (!IsTileOwner(tile, old_owner)) return;
00680
00681 if (IsOwnedLand(tile) && new_owner != INVALID_OWNER) {
00682 SetTileOwner(tile, new_owner);
00683 } else if (IsStatueTile(tile)) {
00684 Town *t = Object::GetByTile(tile)->town;
00685 ClrBit(t->statues, old_owner);
00686 if (new_owner != INVALID_OWNER && !HasBit(t->statues, new_owner)) {
00687
00688 SetBit(t->statues, new_owner);
00689 SetTileOwner(tile, new_owner);
00690 } else {
00691 ReallyClearObjectTile(Object::GetByTile(tile));
00692 }
00693
00694 SetWindowDirty(WC_TOWN_AUTHORITY, t->index);
00695 } else {
00696 ReallyClearObjectTile(Object::GetByTile(tile));
00697 }
00698 }
00699
00700 static CommandCost TerraformTile_Object(TileIndex tile, DoCommandFlag flags, uint z_new, Slope tileh_new)
00701 {
00702 ObjectType type = GetObjectType(tile);
00703
00704 if (type == OBJECT_OWNED_LAND) {
00705
00706 CommandCost ret = CheckTileOwnership(tile);
00707 if (ret.Succeeded()) return CommandCost();
00708 } else if (AutoslopeEnabled() && type != OBJECT_TRANSMITTER && type != OBJECT_LIGHTHOUSE) {
00709
00710
00711
00712
00713
00714
00715 Slope tileh_old = GetTileSlope(tile, NULL);
00716
00717 if (!IsSteepSlope(tileh_old) && !IsSteepSlope(tileh_new) && (GetTileMaxZ(tile) == z_new + GetSlopeMaxZ(tileh_new))) {
00718 const ObjectSpec *spec = ObjectSpec::Get(type);
00719
00720
00721 if (HasBit(spec->callback_mask, CBM_OBJ_AUTOSLOPE)) {
00722
00723 uint16 res = GetObjectCallback(CBID_OBJECT_AUTOSLOPE, 0, 0, spec, Object::GetByTile(tile), tile);
00724 if ((res == 0) || (res == CALLBACK_FAILED)) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
00725 } else if (spec->enabled) {
00726
00727 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
00728 }
00729 }
00730 }
00731
00732 return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00733 }
00734
00735 extern const TileTypeProcs _tile_type_object_procs = {
00736 DrawTile_Object,
00737 GetSlopeZ_Object,
00738 ClearTile_Object,
00739 AddAcceptedCargo_Object,
00740 GetTileDesc_Object,
00741 GetTileTrackStatus_Object,
00742 ClickTile_Object,
00743 AnimateTile_Object,
00744 TileLoop_Object,
00745 ChangeTileOwner_Object,
00746 NULL,
00747 NULL,
00748 GetFoundation_Object,
00749 TerraformTile_Object,
00750 };