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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
00046 Object *Object::GetByTile(TileIndex tile)
00047 {
00048 return Object::Get(GetObjectIndex(tile));
00049 }
00050
00052 void InitializeObjects()
00053 {
00054 _object_pool.CleanPool();
00055 Object::ResetTypeCounts();
00056 }
00057
00058 void BuildObject(ObjectType type, TileIndex tile, CompanyID owner, Town *town, uint8 view)
00059 {
00060 const ObjectSpec *spec = ObjectSpec::Get(type);
00061
00062 TileArea ta(tile, GB(spec->size, HasBit(view, 0) ? 4 : 0, 4), GB(spec->size, HasBit(view, 0) ? 0 : 4, 4));
00063 Object *o = new Object();
00064 o->location = ta;
00065 o->town = town == NULL ? CalcClosestTownFromTile(tile) : town;
00066 o->build_date = _date;
00067 o->view = view;
00068
00069
00070
00071 if (owner == OWNER_NONE) {
00072 o->colour = Random();
00073 } else {
00074 const Livery *l = Company::Get(owner)->livery;
00075 o->colour = l->colour1 + l->colour2 * 16;
00076 }
00077
00078
00079 if ((spec->flags & OBJECT_FLAG_2CC_COLOUR) == 0) o->colour &= 0xF;
00080
00081 if (HasBit(spec->callback_mask, CBM_OBJ_COLOUR)) {
00082 uint16 res = GetObjectCallback(CBID_OBJECT_COLOUR, o->colour, 0, spec, o, tile);
00083 if (res != CALLBACK_FAILED) o->colour = GB(res, 0, 8);
00084 }
00085
00086 assert(o->town != NULL);
00087
00088 TILE_AREA_LOOP(t, ta) {
00089 WaterClass wc = (IsWaterTile(t) ? GetWaterClass(t) : WATER_CLASS_INVALID);
00090 MakeObject(t, type, owner, o->index, wc, Random());
00091 MarkTileDirtyByTile(t);
00092 }
00093
00094 Object::IncTypeCount(type);
00095 if (spec->flags & OBJECT_FLAG_ANIMATION) TriggerObjectAnimation(o, OAT_BUILT, spec);
00096 }
00097
00102 static void IncreaseAnimationStage(TileIndex tile)
00103 {
00104 TileArea ta = Object::GetByTile(tile)->location;
00105 TILE_AREA_LOOP(t, ta) {
00106 SetAnimationFrame(t, GetAnimationFrame(t) + 1);
00107 MarkTileDirtyByTile(t);
00108 }
00109 }
00110
00112 #define GetCompanyHQSize GetAnimationFrame
00113
00114 #define IncreaseCompanyHQSize IncreaseAnimationStage
00115
00116 void UpdateCompanyHQ(TileIndex tile, uint score)
00117 {
00118 if (tile == INVALID_TILE) return;
00119
00120 byte val;
00121 (val = 0, score < 170) ||
00122 (val++, score < 350) ||
00123 (val++, score < 520) ||
00124 (val++, score < 720) ||
00125 (val++, true);
00126
00127 while (GetCompanyHQSize(tile) < val) {
00128 IncreaseCompanyHQSize(tile);
00129 }
00130 }
00131
00136 void UpdateObjectColours(const Company *c)
00137 {
00138 Object *obj;
00139 FOR_ALL_OBJECTS(obj) {
00140 Owner owner = GetTileOwner(obj->location.tile);
00141
00142 if (owner != c->index) continue;
00143
00144 const ObjectSpec *spec = ObjectSpec::GetByTile(obj->location.tile);
00145
00146 if (HasBit(spec->callback_mask, CBM_OBJ_COLOUR)) continue;
00147
00148 const Livery *l = c->livery;
00149 obj->colour = ((spec->flags & OBJECT_FLAG_2CC_COLOUR) ? (l->colour2 * 16) : 0) + l->colour1;
00150 }
00151 }
00152
00153 extern CommandCost CheckBuildableTile(TileIndex tile, uint invalid_dirs, int &allowed_z, bool check_bridge);
00154 static CommandCost ClearTile_Object(TileIndex tile, DoCommandFlag flags);
00155
00165 CommandCost CmdBuildObject(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00166 {
00167 CommandCost cost(EXPENSES_PROPERTY);
00168
00169 ObjectType type = (ObjectType)GB(p1, 0, 8);
00170 uint8 view = GB(p2, 0, 2);
00171 const ObjectSpec *spec = ObjectSpec::Get(type);
00172 if (!spec->IsAvailable()) return CMD_ERROR;
00173
00174 if (spec->flags & OBJECT_FLAG_ONLY_IN_SCENEDIT && (_game_mode != GM_EDITOR || _current_company != OWNER_NONE)) return CMD_ERROR;
00175 if (spec->flags & OBJECT_FLAG_ONLY_IN_GAME && (_game_mode != GM_NORMAL || _current_company > MAX_COMPANIES)) return CMD_ERROR;
00176 if (view >= spec->views) return CMD_ERROR;
00177
00178 if (!Object::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_OBJECTS);
00179 if (Town::GetNumItems() == 0) return_cmd_error(STR_ERROR_MUST_FOUND_TOWN_FIRST);
00180
00181 int size_x = GB(spec->size, HasBit(view, 0) ? 4 : 0, 4);
00182 int size_y = GB(spec->size, HasBit(view, 0) ? 0 : 4, 4);
00183 TileArea ta(tile, size_x, size_y);
00184
00185 if (type == OBJECT_OWNED_LAND) {
00186
00187 cost.AddCost(DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR));
00188 } else {
00189
00190 bool allow_water = (spec->flags & (OBJECT_FLAG_BUILT_ON_WATER | OBJECT_FLAG_NOT_ON_LAND)) != 0;
00191 bool allow_ground = (spec->flags & OBJECT_FLAG_NOT_ON_LAND) == 0;
00192 TILE_AREA_LOOP(t, ta) {
00193 if (HasTileWaterGround(t)) {
00194 if (!allow_water) return_cmd_error(STR_ERROR_CAN_T_BUILD_ON_WATER);
00195 if (!IsWaterTile(t)) {
00196
00197
00198 cost.AddCost(DoCommand(t, 0, 0, flags & ~DC_NO_WATER, CMD_LANDSCAPE_CLEAR));
00199 }
00200 } else {
00201 if (!allow_ground) return_cmd_error(STR_ERROR_MUST_BE_BUILT_ON_WATER);
00202
00203 cost.AddCost(DoCommand(t, 0, 0, flags, CMD_LANDSCAPE_CLEAR));
00204 }
00205 }
00206
00207
00208 int allowed_z;
00209 if (GetTileSlope(tile, (uint*)&allowed_z) != SLOPE_FLAT) allowed_z += TILE_HEIGHT;
00210
00211 TILE_AREA_LOOP(t, ta) {
00212 uint16 callback = CALLBACK_FAILED;
00213 if (HasBit(spec->callback_mask, CBM_OBJ_SLOPE_CHECK)) {
00214 TileIndex diff = t - tile;
00215 callback = GetObjectCallback(CBID_OBJECT_LAND_SLOPE_CHECK, GetTileSlope(t, NULL), TileY(diff) << 4 | TileX(diff), spec, NULL, t, view);
00216 }
00217
00218 if (callback == CALLBACK_FAILED) {
00219 cost.AddCost(CheckBuildableTile(t, 0, allowed_z, false));
00220 } else if (callback != 0) {
00221 return_cmd_error(STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
00222 }
00223 }
00224 }
00225 if (cost.Failed()) return cost;
00226
00227
00228 TILE_AREA_LOOP(t, ta) {
00229 if (MayHaveBridgeAbove(t) && IsBridgeAbove(t) && (
00230 !(spec->flags & OBJECT_FLAG_ALLOW_UNDER_BRIDGE) ||
00231 (GetTileMaxZ(t) + spec->height * TILE_HEIGHT >= GetBridgeHeight(GetSouthernBridgeEnd(t))))) {
00232 return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
00233 }
00234 }
00235
00236 int hq_score = 0;
00237 switch (type) {
00238 case OBJECT_TRANSMITTER:
00239 case OBJECT_LIGHTHOUSE:
00240 if (GetTileSlope(tile, NULL) != SLOPE_FLAT) return_cmd_error(STR_ERROR_FLAT_LAND_REQUIRED);
00241 break;
00242
00243 case OBJECT_OWNED_LAND:
00244 if (IsTileType(tile, MP_OBJECT) &&
00245 IsTileOwner(tile, _current_company) &&
00246 IsOwnedLand(tile)) {
00247 return_cmd_error(STR_ERROR_YOU_ALREADY_OWN_IT);
00248 }
00249 break;
00250
00251 case OBJECT_HQ: {
00252 Company *c = Company::Get(_current_company);
00253 if (c->location_of_HQ != INVALID_TILE) {
00254
00255 _current_company = OWNER_WATER;
00256 cost.AddCost(ClearTile_Object(c->location_of_HQ, flags));
00257 _current_company = c->index;
00258 }
00259
00260 if (flags & DC_EXEC) {
00261 hq_score = UpdateCompanyRatingAndValue(c, false);
00262 c->location_of_HQ = tile;
00263 SetWindowDirty(WC_COMPANY, c->index);
00264 }
00265 break;
00266 }
00267
00268 case OBJECT_STATUE:
00269
00270 return CMD_ERROR;
00271
00272 default:
00273 break;
00274 }
00275
00276 if (flags & DC_EXEC) {
00277 BuildObject(type, tile, _current_company, NULL, view);
00278
00279
00280 if (type == OBJECT_HQ) UpdateCompanyHQ(tile, hq_score);
00281 }
00282
00283 cost.AddCost(ObjectSpec::Get(type)->GetBuildCost() * size_x * size_y);
00284 return cost;
00285 }
00286
00287
00288 static Foundation GetFoundation_Object(TileIndex tile, Slope tileh);
00289
00290 static void DrawTile_Object(TileInfo *ti)
00291 {
00292 ObjectType type = GetObjectType(ti->tile);
00293 const ObjectSpec *spec = ObjectSpec::Get(type);
00294
00295
00296 if (!spec->enabled) type = OBJECT_TRANSMITTER;
00297
00298 if ((spec->flags & OBJECT_FLAG_HAS_NO_FOUNDATION) == 0) DrawFoundation(ti, GetFoundation_Object(ti->tile, ti->tileh));
00299
00300 if (type < NEW_OBJECT_OFFSET) {
00301 const DrawTileSprites *dts = NULL;
00302 Owner to = GetTileOwner(ti->tile);
00303 PaletteID palette = to == OWNER_NONE ? PAL_NONE : COMPANY_SPRITE_COLOUR(to);
00304
00305 if (type == OBJECT_HQ) {
00306 TileIndex diff = ti->tile - Object::GetByTile(ti->tile)->location.tile;
00307 dts = &_object_hq[GetCompanyHQSize(ti->tile) << 2 | TileY(diff) << 1 | TileX(diff)];
00308 } else {
00309 dts = &_objects[type];
00310 }
00311
00312 if (spec->flags & OBJECT_FLAG_HAS_NO_FOUNDATION) {
00313
00314
00315 switch (dts->ground.sprite) {
00316 case SPR_FLAT_BARE_LAND: DrawClearLandTile(ti, 0); break;
00317 case SPR_FLAT_1_THIRD_GRASS_TILE: DrawClearLandTile(ti, 1); break;
00318 case SPR_FLAT_2_THIRD_GRASS_TILE: DrawClearLandTile(ti, 2); break;
00319 case SPR_FLAT_GRASS_TILE: DrawClearLandTile(ti, 3); break;
00320 default: DrawGroundSprite(dts->ground.sprite, palette); break;
00321 }
00322 } else {
00323 DrawGroundSprite(dts->ground.sprite, palette);
00324 }
00325
00326 if (!IsInvisibilitySet(TO_STRUCTURES)) {
00327 const DrawTileSeqStruct *dtss;
00328 foreach_draw_tile_seq(dtss, dts->seq) {
00329 AddSortableSpriteToDraw(
00330 dtss->image.sprite, palette,
00331 ti->x + dtss->delta_x, ti->y + dtss->delta_y,
00332 dtss->size_x, dtss->size_y,
00333 dtss->size_z, ti->z + dtss->delta_z,
00334 IsTransparencySet(TO_STRUCTURES)
00335 );
00336 }
00337 }
00338 } else {
00339 DrawNewObjectTile(ti, spec);
00340 }
00341
00342 if (spec->flags & OBJECT_FLAG_ALLOW_UNDER_BRIDGE) DrawBridgeMiddle(ti);
00343 }
00344
00345 static uint GetSlopeZ_Object(TileIndex tile, uint x, uint y)
00346 {
00347 if (IsOwnedLand(tile)) {
00348 uint z;
00349 Slope tileh = GetTileSlope(tile, &z);
00350
00351 return z + GetPartialZ(x & 0xF, y & 0xF, tileh);
00352 } else {
00353 return GetTileMaxZ(tile);
00354 }
00355 }
00356
00357 static Foundation GetFoundation_Object(TileIndex tile, Slope tileh)
00358 {
00359 return IsOwnedLand(tile) ? FOUNDATION_NONE : FlatteningFoundation(tileh);
00360 }
00361
00366 static void ReallyClearObjectTile(Object *o)
00367 {
00368 Object::DecTypeCount(GetObjectType(o->location.tile));
00369 TILE_AREA_LOOP(tile_cur, o->location) {
00370 DeleteNewGRFInspectWindow(GSF_OBJECTS, tile_cur);
00371
00372 MakeWaterKeepingClass(tile_cur, GetTileOwner(tile_cur));
00373 }
00374 delete o;
00375 }
00376
00377 SmallVector<ClearedObjectArea, 4> _cleared_object_areas;
00378
00384 ClearedObjectArea *FindClearedObject(TileIndex tile)
00385 {
00386 TileArea ta = TileArea(tile, 1, 1);
00387
00388 const ClearedObjectArea *end = _cleared_object_areas.End();
00389 for (ClearedObjectArea *coa = _cleared_object_areas.Begin(); coa != end; coa++) {
00390 if (coa->area.Intersects(ta)) return coa;
00391 }
00392
00393 return NULL;
00394 }
00395
00396 static CommandCost ClearTile_Object(TileIndex tile, DoCommandFlag flags)
00397 {
00398 ObjectType type = GetObjectType(tile);
00399 const ObjectSpec *spec = ObjectSpec::Get(type);
00400
00401
00402 Object *o = Object::GetByTile(tile);
00403 TileArea ta = o->location;
00404
00405 ClearedObjectArea *cleared_area = _cleared_object_areas.Append();
00406 cleared_area->first_tile = tile;
00407 cleared_area->area = ta;
00408
00409 CommandCost cost(EXPENSES_CONSTRUCTION, spec->GetClearCost() * ta.w * ta.h / 5);
00410 if (spec->flags & OBJECT_FLAG_CLEAR_INCOME) cost.MultiplyCost(-1);
00411
00412
00413 if (_current_company != OWNER_WATER) {
00414 if ((flags & DC_NO_WATER) && IsTileOnWater(tile)) {
00415
00416 return_cmd_error(STR_ERROR_CAN_T_BUILD_ON_WATER);
00417 } else if (!(spec->flags & OBJECT_FLAG_AUTOREMOVE) && (flags & DC_AUTO)) {
00418
00419 return_cmd_error(type == OBJECT_HQ ? STR_ERROR_COMPANY_HEADQUARTERS_IN : STR_ERROR_OBJECT_IN_THE_WAY);
00420 } else if (_game_mode == GM_EDITOR) {
00421
00422 } else if (GetTileOwner(tile) == OWNER_NONE) {
00423
00424 if (!_cheats.magic_bulldozer.value) return CMD_ERROR;
00425 } else if (CheckTileOwnership(tile).Failed()) {
00426
00427 return_cmd_error(STR_ERROR_OWNED_BY);
00428 } else if ((spec->flags & OBJECT_FLAG_CANNOT_REMOVE) != 0 && (spec->flags & OBJECT_FLAG_AUTOREMOVE) == 0) {
00429
00430 if (!_cheats.magic_bulldozer.value) return CMD_ERROR;
00431
00432
00433 cost.MultiplyCost(25);
00434 }
00435 } else if ((spec->flags & (OBJECT_FLAG_BUILT_ON_WATER | OBJECT_FLAG_NOT_ON_LAND)) != 0) {
00436
00437 return CMD_ERROR;
00438 }
00439
00440 switch (type) {
00441 case OBJECT_HQ: {
00442 Company *c = Company::Get(GetTileOwner(tile));
00443 if (flags & DC_EXEC) {
00444 c->location_of_HQ = INVALID_TILE;
00445 SetWindowDirty(WC_COMPANY, c->index);
00446 CargoPacket::InvalidateAllFrom(ST_HEADQUARTERS, c->index);
00447 }
00448
00449
00450 cost = CommandCost(EXPENSES_PROPERTY, CalculateCompanyValue(c) / 100);
00451 break;
00452 }
00453
00454 case OBJECT_STATUE:
00455 if (flags & DC_EXEC) {
00456 Town *town = o->town;
00457 ClrBit(town->statues, GetTileOwner(tile));
00458 SetWindowDirty(WC_TOWN_AUTHORITY, town->index);
00459 }
00460 break;
00461
00462 default:
00463 break;
00464 }
00465
00466 if (flags & DC_EXEC) ReallyClearObjectTile(o);
00467
00468 return cost;
00469 }
00470
00471 static void AddAcceptedCargo_Object(TileIndex tile, CargoArray &acceptance, uint32 *always_accepted)
00472 {
00473 if (!IsCompanyHQ(tile)) return;
00474
00475
00476
00477
00478
00479 uint level = GetCompanyHQSize(tile) + 1;
00480
00481
00482
00483 acceptance[CT_PASSENGERS] += max(1U, level);
00484 SetBit(*always_accepted, CT_PASSENGERS);
00485
00486
00487
00488
00489
00490 acceptance[CT_MAIL] += max(1U, level / 2);
00491 SetBit(*always_accepted, CT_MAIL);
00492 }
00493
00494
00495 static void GetTileDesc_Object(TileIndex tile, TileDesc *td)
00496 {
00497 const ObjectSpec *spec = ObjectSpec::GetByTile(tile);
00498 td->str = spec->name;
00499 td->owner[0] = GetTileOwner(tile);
00500 td->build_date = Object::GetByTile(tile)->build_date;
00501
00502 if (spec->grf_prop.grffile != NULL) {
00503 td->grf = GetGRFConfig(spec->grf_prop.grffile->grfid)->GetName();
00504 }
00505 }
00506
00507 static void TileLoop_Object(TileIndex tile)
00508 {
00509 const ObjectSpec *spec = ObjectSpec::GetByTile(tile);
00510 if (spec->flags & OBJECT_FLAG_ANIMATION) {
00511 const Object *o = Object::GetByTile(tile);
00512 TriggerObjectTileAnimation(o, tile, OAT_TILELOOP, spec);
00513 if (o->location.tile == tile) TriggerObjectAnimation(o, OAT_256_TICKS, spec);
00514 }
00515
00516 if (IsTileOnWater(tile)) TileLoop_Water(tile);
00517
00518 if (!IsCompanyHQ(tile)) return;
00519
00520
00521
00522
00523
00524 uint level = GetCompanyHQSize(tile) + 1;
00525 assert(level < 6);
00526
00527 StationFinder stations(TileArea(tile, 2, 2));
00528
00529 uint r = Random();
00530
00531 if (GB(r, 0, 8) < (256 / 4 / (6 - level))) {
00532 uint amt = GB(r, 0, 8) / 8 / 4 + 1;
00533 if (EconomyIsInRecession()) amt = (amt + 1) >> 1;
00534 MoveGoodsToStation(CT_PASSENGERS, amt, ST_HEADQUARTERS, GetTileOwner(tile), stations.GetStations());
00535 }
00536
00537
00538
00539
00540 if (GB(r, 8, 8) < (196 / 4 / (6 - level))) {
00541 uint amt = GB(r, 8, 8) / 8 / 4 + 1;
00542 if (EconomyIsInRecession()) amt = (amt + 1) >> 1;
00543 MoveGoodsToStation(CT_MAIL, amt, ST_HEADQUARTERS, GetTileOwner(tile), stations.GetStations());
00544 }
00545 }
00546
00547
00548 static TrackStatus GetTileTrackStatus_Object(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
00549 {
00550 return 0;
00551 }
00552
00553 static bool ClickTile_Object(TileIndex tile)
00554 {
00555 if (!IsCompanyHQ(tile)) return false;
00556
00557 ShowCompany(GetTileOwner(tile));
00558 return true;
00559 }
00560
00561 static void AnimateTile_Object(TileIndex tile)
00562 {
00563 AnimateNewObjectTile(tile);
00564 }
00565
00572 static bool HasTransmitter(TileIndex tile, void *user)
00573 {
00574 return IsTransmitterTile(tile);
00575 }
00576
00577 void GenerateObjects()
00578 {
00579 if (_settings_game.game_creation.landscape == LT_TOYLAND) return;
00580
00581
00582 int radiotower_to_build = ScaleByMapSize(15);
00583 int lighthouses_to_build = _settings_game.game_creation.landscape == LT_TROPIC ? 0 : ScaleByMapSize1D((Random() & 3) + 7);
00584
00585
00586 if (_settings_game.construction.freeform_edges && lighthouses_to_build != 0) {
00587 uint num_water_tiles = 0;
00588 for (uint x = 0; x < MapMaxX(); x++) {
00589 if (IsTileType(TileXY(x, 1), MP_WATER)) num_water_tiles++;
00590 if (IsTileType(TileXY(x, MapMaxY() - 1), MP_WATER)) num_water_tiles++;
00591 }
00592 for (uint y = 1; y < MapMaxY() - 1; y++) {
00593 if (IsTileType(TileXY(1, y), MP_WATER)) num_water_tiles++;
00594 if (IsTileType(TileXY(MapMaxX() - 1, y), MP_WATER)) num_water_tiles++;
00595 }
00596
00597
00598 lighthouses_to_build = lighthouses_to_build * num_water_tiles / (2 * MapMaxY() + 2 * MapMaxX() - 6);
00599 }
00600
00601 SetGeneratingWorldProgress(GWP_OBJECT, radiotower_to_build + lighthouses_to_build);
00602
00603 for (uint i = ScaleByMapSize(1000); i != 0; i--) {
00604 TileIndex tile = RandomTile();
00605
00606 uint h;
00607 if (IsTileType(tile, MP_CLEAR) && GetTileSlope(tile, &h) == SLOPE_FLAT && h >= TILE_HEIGHT * 4 && !IsBridgeAbove(tile)) {
00608 TileIndex t = tile;
00609 if (CircularTileSearch(&t, 9, HasTransmitter, NULL)) continue;
00610
00611 BuildObject(OBJECT_TRANSMITTER, tile);
00612 IncreaseGeneratingWorldProgress(GWP_OBJECT);
00613 if (--radiotower_to_build == 0) break;
00614 }
00615 }
00616
00617
00618 uint maxx = MapMaxX();
00619 uint maxy = MapMaxY();
00620 for (int loop_count = 0; loop_count < 1000 && lighthouses_to_build != 0; loop_count++) {
00621 uint r = Random();
00622
00623
00624 int perimeter = (GB(r, 16, 16) % (2 * (maxx + maxy))) - maxy;
00625 DiagDirection dir;
00626 for (dir = DIAGDIR_NE; perimeter > 0; dir++) {
00627 perimeter -= (DiagDirToAxis(dir) == AXIS_X) ? maxx : maxy;
00628 }
00629
00630 TileIndex tile;
00631 switch (dir) {
00632 default:
00633 case DIAGDIR_NE: tile = TileXY(maxx - 1, r % maxy); break;
00634 case DIAGDIR_SE: tile = TileXY(r % maxx, 1); break;
00635 case DIAGDIR_SW: tile = TileXY(1, r % maxy); break;
00636 case DIAGDIR_NW: tile = TileXY(r % maxx, maxy - 1); break;
00637 }
00638
00639
00640 if (!IsTileType(tile, MP_WATER)) continue;
00641
00642 for (int j = 0; j < 19; j++) {
00643 uint h;
00644 if (IsTileType(tile, MP_CLEAR) && GetTileSlope(tile, &h) == SLOPE_FLAT && h <= TILE_HEIGHT * 2 && !IsBridgeAbove(tile)) {
00645 BuildObject(OBJECT_LIGHTHOUSE, tile);
00646 IncreaseGeneratingWorldProgress(GWP_OBJECT);
00647 lighthouses_to_build--;
00648 assert(tile < MapSize());
00649 break;
00650 }
00651 tile = AddTileIndexDiffCWrap(tile, TileIndexDiffCByDiagDir(dir));
00652 if (tile == INVALID_TILE) break;
00653 }
00654 }
00655 }
00656
00657 static void ChangeTileOwner_Object(TileIndex tile, Owner old_owner, Owner new_owner)
00658 {
00659 if (!IsTileOwner(tile, old_owner)) return;
00660
00661 if (IsOwnedLand(tile) && new_owner != INVALID_OWNER) {
00662 SetTileOwner(tile, new_owner);
00663 } else if (IsStatueTile(tile)) {
00664 Town *t = Object::GetByTile(tile)->town;
00665 ClrBit(t->statues, old_owner);
00666 if (new_owner != INVALID_OWNER && !HasBit(t->statues, new_owner)) {
00667
00668 SetBit(t->statues, new_owner);
00669 SetTileOwner(tile, new_owner);
00670 } else {
00671 ReallyClearObjectTile(Object::GetByTile(tile));
00672 }
00673
00674 SetWindowDirty(WC_TOWN_AUTHORITY, t->index);
00675 } else {
00676 ReallyClearObjectTile(Object::GetByTile(tile));
00677 }
00678 }
00679
00680 static CommandCost TerraformTile_Object(TileIndex tile, DoCommandFlag flags, uint z_new, Slope tileh_new)
00681 {
00682 ObjectType type = GetObjectType(tile);
00683
00684 if (type == OBJECT_OWNED_LAND) {
00685
00686 CommandCost ret = CheckTileOwnership(tile);
00687 if (ret.Succeeded()) return CommandCost();
00688 } else if (AutoslopeEnabled() && type != OBJECT_TRANSMITTER && type != OBJECT_LIGHTHOUSE) {
00689
00690
00691
00692
00693
00694
00695 Slope tileh_old = GetTileSlope(tile, NULL);
00696
00697 if (!IsSteepSlope(tileh_old) && !IsSteepSlope(tileh_new) && (GetTileMaxZ(tile) == z_new + GetSlopeMaxZ(tileh_new))) {
00698 const ObjectSpec *spec = ObjectSpec::Get(type);
00699
00700
00701 if (HasBit(spec->callback_mask, CBM_OBJ_AUTOSLOPE)) {
00702
00703 uint16 res = GetObjectCallback(CBID_OBJECT_AUTOSLOPE, 0, 0, spec, Object::GetByTile(tile), tile);
00704 if ((res == 0) || (res == CALLBACK_FAILED)) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
00705 } else if (spec->enabled) {
00706
00707 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
00708 }
00709 }
00710 }
00711
00712 return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00713 }
00714
00715 extern const TileTypeProcs _tile_type_object_procs = {
00716 DrawTile_Object,
00717 GetSlopeZ_Object,
00718 ClearTile_Object,
00719 AddAcceptedCargo_Object,
00720 GetTileDesc_Object,
00721 GetTileTrackStatus_Object,
00722 ClickTile_Object,
00723 AnimateTile_Object,
00724 TileLoop_Object,
00725 ChangeTileOwner_Object,
00726 NULL,
00727 NULL,
00728 GetFoundation_Object,
00729 TerraformTile_Object,
00730 };