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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_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_pool.CleanPool();
00059 Object::ResetTypeCounts();
00060 }
00061
00072 void BuildObject(ObjectType type, TileIndex tile, CompanyID owner, Town *town, uint8 view)
00073 {
00074 const ObjectSpec *spec = ObjectSpec::Get(type);
00075
00076 TileArea ta(tile, GB(spec->size, HasBit(view, 0) ? 4 : 0, 4), GB(spec->size, HasBit(view, 0) ? 0 : 4, 4));
00077 Object *o = new Object();
00078 o->location = ta;
00079 o->town = town == NULL ? CalcClosestTownFromTile(tile) : town;
00080 o->build_date = _date;
00081 o->view = view;
00082
00083
00084
00085 if (owner == OWNER_NONE) {
00086 o->colour = Random();
00087 } else {
00088 const Livery *l = Company::Get(owner)->livery;
00089 o->colour = l->colour1 + l->colour2 * 16;
00090 }
00091
00092
00093 if ((spec->flags & OBJECT_FLAG_2CC_COLOUR) == 0) o->colour &= 0xF;
00094
00095 if (HasBit(spec->callback_mask, CBM_OBJ_COLOUR)) {
00096 uint16 res = GetObjectCallback(CBID_OBJECT_COLOUR, o->colour, 0, spec, o, tile);
00097 if (res != CALLBACK_FAILED) o->colour = GB(res, 0, 8);
00098 }
00099
00100 assert(o->town != NULL);
00101
00102 TILE_AREA_LOOP(t, ta) {
00103 WaterClass wc = (IsWaterTile(t) ? GetWaterClass(t) : WATER_CLASS_INVALID);
00104 MakeObject(t, type, owner, o->index, wc, Random());
00105 MarkTileDirtyByTile(t);
00106 }
00107
00108 Object::IncTypeCount(type);
00109 if (spec->flags & OBJECT_FLAG_ANIMATION) TriggerObjectAnimation(o, OAT_BUILT, spec);
00110 }
00111
00116 static void IncreaseAnimationStage(TileIndex tile)
00117 {
00118 TileArea ta = Object::GetByTile(tile)->location;
00119 TILE_AREA_LOOP(t, ta) {
00120 SetAnimationFrame(t, GetAnimationFrame(t) + 1);
00121 MarkTileDirtyByTile(t);
00122 }
00123 }
00124
00126 #define GetCompanyHQSize GetAnimationFrame
00127
00128 #define IncreaseCompanyHQSize IncreaseAnimationStage
00129
00135 void UpdateCompanyHQ(TileIndex tile, uint score)
00136 {
00137 if (tile == INVALID_TILE) return;
00138
00139 byte val;
00140 (val = 0, score < 170) ||
00141 (val++, score < 350) ||
00142 (val++, score < 520) ||
00143 (val++, score < 720) ||
00144 (val++, true);
00145
00146 while (GetCompanyHQSize(tile) < val) {
00147 IncreaseCompanyHQSize(tile);
00148 }
00149 }
00150
00155 void UpdateObjectColours(const Company *c)
00156 {
00157 Object *obj;
00158 FOR_ALL_OBJECTS(obj) {
00159 Owner owner = GetTileOwner(obj->location.tile);
00160
00161 if (owner != c->index) continue;
00162
00163 const ObjectSpec *spec = ObjectSpec::GetByTile(obj->location.tile);
00164
00165 if (HasBit(spec->callback_mask, CBM_OBJ_COLOUR)) continue;
00166
00167 const Livery *l = c->livery;
00168 obj->colour = ((spec->flags & OBJECT_FLAG_2CC_COLOUR) ? (l->colour2 * 16) : 0) + l->colour1;
00169 }
00170 }
00171
00172 extern CommandCost CheckBuildableTile(TileIndex tile, uint invalid_dirs, int &allowed_z, bool check_bridge);
00173 static CommandCost ClearTile_Object(TileIndex tile, DoCommandFlag flags);
00174
00184 CommandCost CmdBuildObject(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00185 {
00186 CommandCost cost(EXPENSES_PROPERTY);
00187
00188 ObjectType type = (ObjectType)GB(p1, 0, 8);
00189 uint8 view = GB(p2, 0, 2);
00190 const ObjectSpec *spec = ObjectSpec::Get(type);
00191 if (!spec->IsAvailable()) return CMD_ERROR;
00192
00193 if (spec->flags & OBJECT_FLAG_ONLY_IN_SCENEDIT && (_game_mode != GM_EDITOR || _current_company != OWNER_NONE)) return CMD_ERROR;
00194 if (spec->flags & OBJECT_FLAG_ONLY_IN_GAME && (_game_mode != GM_NORMAL || _current_company > MAX_COMPANIES)) return CMD_ERROR;
00195 if (view >= spec->views) return CMD_ERROR;
00196
00197 if (!Object::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_OBJECTS);
00198 if (Town::GetNumItems() == 0) return_cmd_error(STR_ERROR_MUST_FOUND_TOWN_FIRST);
00199
00200 int size_x = GB(spec->size, HasBit(view, 0) ? 4 : 0, 4);
00201 int size_y = GB(spec->size, HasBit(view, 0) ? 0 : 4, 4);
00202 TileArea ta(tile, size_x, size_y);
00203
00204 if (type == OBJECT_OWNED_LAND) {
00205
00206 cost.AddCost(DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR));
00207 } else {
00208
00209 bool allow_water = (spec->flags & (OBJECT_FLAG_BUILT_ON_WATER | OBJECT_FLAG_NOT_ON_LAND)) != 0;
00210 bool allow_ground = (spec->flags & OBJECT_FLAG_NOT_ON_LAND) == 0;
00211 TILE_AREA_LOOP(t, ta) {
00212 if (HasTileWaterGround(t)) {
00213 if (!allow_water) return_cmd_error(STR_ERROR_CAN_T_BUILD_ON_WATER);
00214 if (!IsWaterTile(t)) {
00215
00216
00217 cost.AddCost(DoCommand(t, 0, 0, flags & ~DC_NO_WATER, CMD_LANDSCAPE_CLEAR));
00218 }
00219 } else {
00220 if (!allow_ground) return_cmd_error(STR_ERROR_MUST_BE_BUILT_ON_WATER);
00221
00222 cost.AddCost(DoCommand(t, 0, 0, flags, CMD_LANDSCAPE_CLEAR));
00223 }
00224 }
00225
00226
00227 int allowed_z;
00228 if (GetTileSlope(tile, (uint*)&allowed_z) != SLOPE_FLAT) allowed_z += TILE_HEIGHT;
00229
00230 TILE_AREA_LOOP(t, ta) {
00231 uint16 callback = CALLBACK_FAILED;
00232 if (HasBit(spec->callback_mask, CBM_OBJ_SLOPE_CHECK)) {
00233 TileIndex diff = t - tile;
00234 callback = GetObjectCallback(CBID_OBJECT_LAND_SLOPE_CHECK, GetTileSlope(t, NULL), TileY(diff) << 4 | TileX(diff), spec, NULL, t, view);
00235 }
00236
00237 if (callback == CALLBACK_FAILED) {
00238 cost.AddCost(CheckBuildableTile(t, 0, allowed_z, false));
00239 } else if (callback != 0) {
00240 return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
00241 }
00242 }
00243 }
00244 if (cost.Failed()) return cost;
00245
00246
00247 TILE_AREA_LOOP(t, ta) {
00248 if (MayHaveBridgeAbove(t) && IsBridgeAbove(t) && (
00249 !(spec->flags & OBJECT_FLAG_ALLOW_UNDER_BRIDGE) ||
00250 (GetTileMaxZ(t) + spec->height * TILE_HEIGHT >= GetBridgeHeight(GetSouthernBridgeEnd(t))))) {
00251 return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
00252 }
00253 }
00254
00255 int hq_score = 0;
00256 switch (type) {
00257 case OBJECT_TRANSMITTER:
00258 case OBJECT_LIGHTHOUSE:
00259 if (GetTileSlope(tile, NULL) != SLOPE_FLAT) return_cmd_error(STR_ERROR_FLAT_LAND_REQUIRED);
00260 break;
00261
00262 case OBJECT_OWNED_LAND:
00263 if (IsTileType(tile, MP_OBJECT) &&
00264 IsTileOwner(tile, _current_company) &&
00265 IsOwnedLand(tile)) {
00266 return_cmd_error(STR_ERROR_YOU_ALREADY_OWN_IT);
00267 }
00268 break;
00269
00270 case OBJECT_HQ: {
00271 Company *c = Company::Get(_current_company);
00272 if (c->location_of_HQ != INVALID_TILE) {
00273
00274 _current_company = OWNER_WATER;
00275 cost.AddCost(ClearTile_Object(c->location_of_HQ, flags));
00276 _current_company = c->index;
00277 }
00278
00279 if (flags & DC_EXEC) {
00280 hq_score = UpdateCompanyRatingAndValue(c, false);
00281 c->location_of_HQ = tile;
00282 SetWindowDirty(WC_COMPANY, c->index);
00283 }
00284 break;
00285 }
00286
00287 case OBJECT_STATUE:
00288
00289 return CMD_ERROR;
00290
00291 default:
00292 break;
00293 }
00294
00295 if (flags & DC_EXEC) {
00296 BuildObject(type, tile, _current_company, NULL, view);
00297
00298
00299 if (type == OBJECT_HQ) UpdateCompanyHQ(tile, hq_score);
00300 }
00301
00302 cost.AddCost(ObjectSpec::Get(type)->GetBuildCost() * size_x * size_y);
00303 return cost;
00304 }
00305
00306
00307 static Foundation GetFoundation_Object(TileIndex tile, Slope tileh);
00308
00309 static void DrawTile_Object(TileInfo *ti)
00310 {
00311 ObjectType type = GetObjectType(ti->tile);
00312 const ObjectSpec *spec = ObjectSpec::Get(type);
00313
00314
00315 if (!spec->enabled) type = OBJECT_TRANSMITTER;
00316
00317 if ((spec->flags & OBJECT_FLAG_HAS_NO_FOUNDATION) == 0) DrawFoundation(ti, GetFoundation_Object(ti->tile, ti->tileh));
00318
00319 if (type < NEW_OBJECT_OFFSET) {
00320 const DrawTileSprites *dts = NULL;
00321 Owner to = GetTileOwner(ti->tile);
00322 PaletteID palette = to == OWNER_NONE ? PAL_NONE : COMPANY_SPRITE_COLOUR(to);
00323
00324 if (type == OBJECT_HQ) {
00325 TileIndex diff = ti->tile - Object::GetByTile(ti->tile)->location.tile;
00326 dts = &_object_hq[GetCompanyHQSize(ti->tile) << 2 | TileY(diff) << 1 | TileX(diff)];
00327 } else {
00328 dts = &_objects[type];
00329 }
00330
00331 if (spec->flags & OBJECT_FLAG_HAS_NO_FOUNDATION) {
00332
00333
00334 switch (dts->ground.sprite) {
00335 case SPR_FLAT_BARE_LAND: DrawClearLandTile(ti, 0); break;
00336 case SPR_FLAT_1_THIRD_GRASS_TILE: DrawClearLandTile(ti, 1); break;
00337 case SPR_FLAT_2_THIRD_GRASS_TILE: DrawClearLandTile(ti, 2); break;
00338 case SPR_FLAT_GRASS_TILE: DrawClearLandTile(ti, 3); break;
00339 default: DrawGroundSprite(dts->ground.sprite, palette); break;
00340 }
00341 } else {
00342 DrawGroundSprite(dts->ground.sprite, palette);
00343 }
00344
00345 if (!IsInvisibilitySet(TO_STRUCTURES)) {
00346 const DrawTileSeqStruct *dtss;
00347 foreach_draw_tile_seq(dtss, dts->seq) {
00348 AddSortableSpriteToDraw(
00349 dtss->image.sprite, palette,
00350 ti->x + dtss->delta_x, ti->y + dtss->delta_y,
00351 dtss->size_x, dtss->size_y,
00352 dtss->size_z, ti->z + dtss->delta_z,
00353 IsTransparencySet(TO_STRUCTURES)
00354 );
00355 }
00356 }
00357 } else {
00358 DrawNewObjectTile(ti, spec);
00359 }
00360
00361 if (spec->flags & OBJECT_FLAG_ALLOW_UNDER_BRIDGE) DrawBridgeMiddle(ti);
00362 }
00363
00364 static uint GetSlopeZ_Object(TileIndex tile, uint x, uint y)
00365 {
00366 if (IsOwnedLand(tile)) {
00367 uint z;
00368 Slope tileh = GetTileSlope(tile, &z);
00369
00370 return z + GetPartialZ(x & 0xF, y & 0xF, tileh);
00371 } else {
00372 return GetTileMaxZ(tile);
00373 }
00374 }
00375
00376 static Foundation GetFoundation_Object(TileIndex tile, Slope tileh)
00377 {
00378 return IsOwnedLand(tile) ? FOUNDATION_NONE : FlatteningFoundation(tileh);
00379 }
00380
00385 static void ReallyClearObjectTile(Object *o)
00386 {
00387 Object::DecTypeCount(GetObjectType(o->location.tile));
00388 TILE_AREA_LOOP(tile_cur, o->location) {
00389 DeleteNewGRFInspectWindow(GSF_OBJECTS, tile_cur);
00390
00391 MakeWaterKeepingClass(tile_cur, GetTileOwner(tile_cur));
00392 }
00393 delete o;
00394 }
00395
00396 SmallVector<ClearedObjectArea, 4> _cleared_object_areas;
00397
00403 ClearedObjectArea *FindClearedObject(TileIndex tile)
00404 {
00405 TileArea ta = TileArea(tile, 1, 1);
00406
00407 const ClearedObjectArea *end = _cleared_object_areas.End();
00408 for (ClearedObjectArea *coa = _cleared_object_areas.Begin(); coa != end; coa++) {
00409 if (coa->area.Intersects(ta)) return coa;
00410 }
00411
00412 return NULL;
00413 }
00414
00415 static CommandCost ClearTile_Object(TileIndex tile, DoCommandFlag flags)
00416 {
00417 ObjectType type = GetObjectType(tile);
00418 const ObjectSpec *spec = ObjectSpec::Get(type);
00419
00420
00421 Object *o = Object::GetByTile(tile);
00422 TileArea ta = o->location;
00423
00424 ClearedObjectArea *cleared_area = _cleared_object_areas.Append();
00425 cleared_area->first_tile = tile;
00426 cleared_area->area = ta;
00427
00428 CommandCost cost(EXPENSES_CONSTRUCTION, spec->GetClearCost() * ta.w * ta.h / 5);
00429 if (spec->flags & OBJECT_FLAG_CLEAR_INCOME) cost.MultiplyCost(-1);
00430
00431
00432 if (_current_company != OWNER_WATER) {
00433 if ((flags & DC_NO_WATER) && IsTileOnWater(tile)) {
00434
00435 return_cmd_error(STR_ERROR_CAN_T_BUILD_ON_WATER);
00436 } else if (!(spec->flags & OBJECT_FLAG_AUTOREMOVE) && (flags & DC_AUTO)) {
00437
00438 return_cmd_error(type == OBJECT_HQ ? STR_ERROR_COMPANY_HEADQUARTERS_IN : STR_ERROR_OBJECT_IN_THE_WAY);
00439 } else if (_game_mode == GM_EDITOR) {
00440
00441 } else if (GetTileOwner(tile) == OWNER_NONE) {
00442
00443 if (!_cheats.magic_bulldozer.value) return CMD_ERROR;
00444 } else if (CheckTileOwnership(tile).Failed()) {
00445
00446 return_cmd_error(STR_ERROR_OWNED_BY);
00447 } else if ((spec->flags & OBJECT_FLAG_CANNOT_REMOVE) != 0 && (spec->flags & OBJECT_FLAG_AUTOREMOVE) == 0) {
00448
00449 if (!_cheats.magic_bulldozer.value) return CMD_ERROR;
00450
00451
00452 cost.MultiplyCost(25);
00453 }
00454 } else if ((spec->flags & (OBJECT_FLAG_BUILT_ON_WATER | OBJECT_FLAG_NOT_ON_LAND)) != 0) {
00455
00456 return CMD_ERROR;
00457 }
00458
00459 switch (type) {
00460 case OBJECT_HQ: {
00461 Company *c = Company::Get(GetTileOwner(tile));
00462 if (flags & DC_EXEC) {
00463 c->location_of_HQ = INVALID_TILE;
00464 SetWindowDirty(WC_COMPANY, c->index);
00465 CargoPacket::InvalidateAllFrom(ST_HEADQUARTERS, c->index);
00466 }
00467
00468
00469 cost = CommandCost(EXPENSES_PROPERTY, CalculateCompanyValue(c) / 100);
00470 break;
00471 }
00472
00473 case OBJECT_STATUE:
00474 if (flags & DC_EXEC) {
00475 Town *town = o->town;
00476 ClrBit(town->statues, GetTileOwner(tile));
00477 SetWindowDirty(WC_TOWN_AUTHORITY, town->index);
00478 }
00479 break;
00480
00481 default:
00482 break;
00483 }
00484
00485 if (flags & DC_EXEC) ReallyClearObjectTile(o);
00486
00487 return cost;
00488 }
00489
00490 static void AddAcceptedCargo_Object(TileIndex tile, CargoArray &acceptance, uint32 *always_accepted)
00491 {
00492 if (!IsCompanyHQ(tile)) return;
00493
00494
00495
00496
00497
00498 uint level = GetCompanyHQSize(tile) + 1;
00499
00500
00501
00502 acceptance[CT_PASSENGERS] += max(1U, level);
00503 SetBit(*always_accepted, CT_PASSENGERS);
00504
00505
00506
00507
00508
00509 acceptance[CT_MAIL] += max(1U, level / 2);
00510 SetBit(*always_accepted, CT_MAIL);
00511 }
00512
00513
00514 static void GetTileDesc_Object(TileIndex tile, TileDesc *td)
00515 {
00516 const ObjectSpec *spec = ObjectSpec::GetByTile(tile);
00517 td->str = spec->name;
00518 td->owner[0] = GetTileOwner(tile);
00519 td->build_date = Object::GetByTile(tile)->build_date;
00520
00521 if (spec->grf_prop.grffile != NULL) {
00522 td->grf = GetGRFConfig(spec->grf_prop.grffile->grfid)->GetName();
00523 }
00524 }
00525
00526 static void TileLoop_Object(TileIndex tile)
00527 {
00528 const ObjectSpec *spec = ObjectSpec::GetByTile(tile);
00529 if (spec->flags & OBJECT_FLAG_ANIMATION) {
00530 const Object *o = Object::GetByTile(tile);
00531 TriggerObjectTileAnimation(o, tile, OAT_TILELOOP, spec);
00532 if (o->location.tile == tile) TriggerObjectAnimation(o, OAT_256_TICKS, spec);
00533 }
00534
00535 if (IsTileOnWater(tile)) TileLoop_Water(tile);
00536
00537 if (!IsCompanyHQ(tile)) return;
00538
00539
00540
00541
00542
00543 uint level = GetCompanyHQSize(tile) + 1;
00544 assert(level < 6);
00545
00546 StationFinder stations(TileArea(tile, 2, 2));
00547
00548 uint r = Random();
00549
00550 if (GB(r, 0, 8) < (256 / 4 / (6 - level))) {
00551 uint amt = GB(r, 0, 8) / 8 / 4 + 1;
00552 if (EconomyIsInRecession()) amt = (amt + 1) >> 1;
00553 MoveGoodsToStation(CT_PASSENGERS, amt, ST_HEADQUARTERS, GetTileOwner(tile), stations.GetStations());
00554 }
00555
00556
00557
00558
00559 if (GB(r, 8, 8) < (196 / 4 / (6 - level))) {
00560 uint amt = GB(r, 8, 8) / 8 / 4 + 1;
00561 if (EconomyIsInRecession()) amt = (amt + 1) >> 1;
00562 MoveGoodsToStation(CT_MAIL, amt, ST_HEADQUARTERS, GetTileOwner(tile), stations.GetStations());
00563 }
00564 }
00565
00566
00567 static TrackStatus GetTileTrackStatus_Object(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
00568 {
00569 return 0;
00570 }
00571
00572 static bool ClickTile_Object(TileIndex tile)
00573 {
00574 if (!IsCompanyHQ(tile)) return false;
00575
00576 ShowCompany(GetTileOwner(tile));
00577 return true;
00578 }
00579
00580 static void AnimateTile_Object(TileIndex tile)
00581 {
00582 AnimateNewObjectTile(tile);
00583 }
00584
00591 static bool HasTransmitter(TileIndex tile, void *user)
00592 {
00593 return IsTransmitterTile(tile);
00594 }
00595
00596 void GenerateObjects()
00597 {
00598 if (_settings_game.game_creation.landscape == LT_TOYLAND) return;
00599
00600
00601 int radiotower_to_build = ScaleByMapSize(15);
00602 int lighthouses_to_build = _settings_game.game_creation.landscape == LT_TROPIC ? 0 : ScaleByMapSize1D((Random() & 3) + 7);
00603
00604
00605 if (_settings_game.construction.freeform_edges && lighthouses_to_build != 0) {
00606 uint num_water_tiles = 0;
00607 for (uint x = 0; x < MapMaxX(); x++) {
00608 if (IsTileType(TileXY(x, 1), MP_WATER)) num_water_tiles++;
00609 if (IsTileType(TileXY(x, MapMaxY() - 1), MP_WATER)) num_water_tiles++;
00610 }
00611 for (uint y = 1; y < MapMaxY() - 1; y++) {
00612 if (IsTileType(TileXY(1, y), MP_WATER)) num_water_tiles++;
00613 if (IsTileType(TileXY(MapMaxX() - 1, y), MP_WATER)) num_water_tiles++;
00614 }
00615
00616
00617 lighthouses_to_build = lighthouses_to_build * num_water_tiles / (2 * MapMaxY() + 2 * MapMaxX() - 6);
00618 }
00619
00620 SetGeneratingWorldProgress(GWP_OBJECT, radiotower_to_build + lighthouses_to_build);
00621
00622 for (uint i = ScaleByMapSize(1000); i != 0; i--) {
00623 TileIndex tile = RandomTile();
00624
00625 uint h;
00626 if (IsTileType(tile, MP_CLEAR) && GetTileSlope(tile, &h) == SLOPE_FLAT && h >= TILE_HEIGHT * 4 && !IsBridgeAbove(tile)) {
00627 TileIndex t = tile;
00628 if (CircularTileSearch(&t, 9, HasTransmitter, NULL)) continue;
00629
00630 BuildObject(OBJECT_TRANSMITTER, tile);
00631 IncreaseGeneratingWorldProgress(GWP_OBJECT);
00632 if (--radiotower_to_build == 0) break;
00633 }
00634 }
00635
00636
00637 uint maxx = MapMaxX();
00638 uint maxy = MapMaxY();
00639 for (int loop_count = 0; loop_count < 1000 && lighthouses_to_build != 0; loop_count++) {
00640 uint r = Random();
00641
00642
00643 int perimeter = (GB(r, 16, 16) % (2 * (maxx + maxy))) - maxy;
00644 DiagDirection dir;
00645 for (dir = DIAGDIR_NE; perimeter > 0; dir++) {
00646 perimeter -= (DiagDirToAxis(dir) == AXIS_X) ? maxx : maxy;
00647 }
00648
00649 TileIndex tile;
00650 switch (dir) {
00651 default:
00652 case DIAGDIR_NE: tile = TileXY(maxx - 1, r % maxy); break;
00653 case DIAGDIR_SE: tile = TileXY(r % maxx, 1); break;
00654 case DIAGDIR_SW: tile = TileXY(1, r % maxy); break;
00655 case DIAGDIR_NW: tile = TileXY(r % maxx, maxy - 1); break;
00656 }
00657
00658
00659 if (!IsTileType(tile, MP_WATER)) continue;
00660
00661 for (int j = 0; j < 19; j++) {
00662 uint h;
00663 if (IsTileType(tile, MP_CLEAR) && GetTileSlope(tile, &h) == SLOPE_FLAT && h <= TILE_HEIGHT * 2 && !IsBridgeAbove(tile)) {
00664 BuildObject(OBJECT_LIGHTHOUSE, tile);
00665 IncreaseGeneratingWorldProgress(GWP_OBJECT);
00666 lighthouses_to_build--;
00667 assert(tile < MapSize());
00668 break;
00669 }
00670 tile = AddTileIndexDiffCWrap(tile, TileIndexDiffCByDiagDir(dir));
00671 if (tile == INVALID_TILE) break;
00672 }
00673 }
00674 }
00675
00676 static void ChangeTileOwner_Object(TileIndex tile, Owner old_owner, Owner new_owner)
00677 {
00678 if (!IsTileOwner(tile, old_owner)) return;
00679
00680 if (IsOwnedLand(tile) && new_owner != INVALID_OWNER) {
00681 SetTileOwner(tile, new_owner);
00682 } else if (IsStatueTile(tile)) {
00683 Town *t = Object::GetByTile(tile)->town;
00684 ClrBit(t->statues, old_owner);
00685 if (new_owner != INVALID_OWNER && !HasBit(t->statues, new_owner)) {
00686
00687 SetBit(t->statues, new_owner);
00688 SetTileOwner(tile, new_owner);
00689 } else {
00690 ReallyClearObjectTile(Object::GetByTile(tile));
00691 }
00692
00693 SetWindowDirty(WC_TOWN_AUTHORITY, t->index);
00694 } else {
00695 ReallyClearObjectTile(Object::GetByTile(tile));
00696 }
00697 }
00698
00699 static CommandCost TerraformTile_Object(TileIndex tile, DoCommandFlag flags, uint z_new, Slope tileh_new)
00700 {
00701 ObjectType type = GetObjectType(tile);
00702
00703 if (type == OBJECT_OWNED_LAND) {
00704
00705 CommandCost ret = CheckTileOwnership(tile);
00706 if (ret.Succeeded()) return CommandCost();
00707 } else if (AutoslopeEnabled() && type != OBJECT_TRANSMITTER && type != OBJECT_LIGHTHOUSE) {
00708
00709
00710
00711
00712
00713
00714 Slope tileh_old = GetTileSlope(tile, NULL);
00715
00716 if (!IsSteepSlope(tileh_old) && !IsSteepSlope(tileh_new) && (GetTileMaxZ(tile) == z_new + GetSlopeMaxZ(tileh_new))) {
00717 const ObjectSpec *spec = ObjectSpec::Get(type);
00718
00719
00720 if (HasBit(spec->callback_mask, CBM_OBJ_AUTOSLOPE)) {
00721
00722 uint16 res = GetObjectCallback(CBID_OBJECT_AUTOSLOPE, 0, 0, spec, Object::GetByTile(tile), tile);
00723 if ((res == 0) || (res == CALLBACK_FAILED)) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
00724 } else if (spec->enabled) {
00725
00726 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
00727 }
00728 }
00729 }
00730
00731 return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00732 }
00733
00734 extern const TileTypeProcs _tile_type_object_procs = {
00735 DrawTile_Object,
00736 GetSlopeZ_Object,
00737 ClearTile_Object,
00738 AddAcceptedCargo_Object,
00739 GetTileDesc_Object,
00740 GetTileTrackStatus_Object,
00741 ClickTile_Object,
00742 AnimateTile_Object,
00743 TileLoop_Object,
00744 ChangeTileOwner_Object,
00745 NULL,
00746 NULL,
00747 GetFoundation_Object,
00748 TerraformTile_Object,
00749 };