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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 "core/random_func.hpp"
00029 #include "core/pool_func.hpp"
00030 #include "object_map.h"
00031 #include "object_base.h"
00032 #include "newgrf_config.h"
00033 #include "newgrf_object.h"
00034 #include "date_func.h"
00035 #include "newgrf_debug.h"
00036 #include "vehicle_func.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
00061 ObjectType GetObjectType(TileIndex t)
00062 {
00063 assert(IsTileType(t, MP_OBJECT));
00064 return Object::GetByTile(t)->type;
00065 }
00066
00068 void InitializeObjects()
00069 {
00070 Object::ResetTypeCounts();
00071 }
00072
00083 void BuildObject(ObjectType type, TileIndex tile, CompanyID owner, Town *town, uint8 view)
00084 {
00085 const ObjectSpec *spec = ObjectSpec::Get(type);
00086
00087 TileArea ta(tile, GB(spec->size, HasBit(view, 0) ? 4 : 0, 4), GB(spec->size, HasBit(view, 0) ? 0 : 4, 4));
00088 Object *o = new Object();
00089 o->type = type;
00090 o->location = ta;
00091 o->town = town == NULL ? CalcClosestTownFromTile(tile) : town;
00092 o->build_date = _date;
00093 o->view = view;
00094
00095
00096
00097 if (owner == OWNER_NONE) {
00098 o->colour = Random();
00099 } else {
00100 const Livery *l = Company::Get(owner)->livery;
00101 o->colour = l->colour1 + l->colour2 * 16;
00102 }
00103
00104
00105 if ((spec->flags & OBJECT_FLAG_2CC_COLOUR) == 0) o->colour &= 0xF;
00106
00107 if (HasBit(spec->callback_mask, CBM_OBJ_COLOUR)) {
00108 uint16 res = GetObjectCallback(CBID_OBJECT_COLOUR, o->colour, 0, spec, o, tile);
00109 if (res != CALLBACK_FAILED) {
00110 if (res >= 0x100) ErrorUnknownCallbackResult(spec->grf_prop.grffile->grfid, CBID_OBJECT_COLOUR, res);
00111 o->colour = GB(res, 0, 8);
00112 }
00113 }
00114
00115 assert(o->town != NULL);
00116
00117 TILE_AREA_LOOP(t, ta) {
00118 WaterClass wc = (IsWaterTile(t) ? GetWaterClass(t) : WATER_CLASS_INVALID);
00119
00120 if (wc == WATER_CLASS_CANAL && owner != OWNER_NONE && (IsTileOwner(tile, OWNER_NONE) || IsTileOwner(tile, OWNER_WATER))) {
00121 Company::Get(owner)->infrastructure.water++;
00122 DirtyCompanyInfrastructureWindows(owner);
00123 }
00124 MakeObject(t, owner, o->index, wc, Random());
00125 MarkTileDirtyByTile(t);
00126 }
00127
00128 Object::IncTypeCount(type);
00129 if (spec->flags & OBJECT_FLAG_ANIMATION) TriggerObjectAnimation(o, OAT_BUILT, spec);
00130 }
00131
00136 static void IncreaseAnimationStage(TileIndex tile)
00137 {
00138 TileArea ta = Object::GetByTile(tile)->location;
00139 TILE_AREA_LOOP(t, ta) {
00140 SetAnimationFrame(t, GetAnimationFrame(t) + 1);
00141 MarkTileDirtyByTile(t);
00142 }
00143 }
00144
00146 #define GetCompanyHQSize GetAnimationFrame
00147
00148 #define IncreaseCompanyHQSize IncreaseAnimationStage
00149
00155 void UpdateCompanyHQ(TileIndex tile, uint score)
00156 {
00157 if (tile == INVALID_TILE) return;
00158
00159 byte val;
00160 (val = 0, score < 170) ||
00161 (val++, score < 350) ||
00162 (val++, score < 520) ||
00163 (val++, score < 720) ||
00164 (val++, true);
00165
00166 while (GetCompanyHQSize(tile) < val) {
00167 IncreaseCompanyHQSize(tile);
00168 }
00169 }
00170
00175 void UpdateObjectColours(const Company *c)
00176 {
00177 Object *obj;
00178 FOR_ALL_OBJECTS(obj) {
00179 Owner owner = GetTileOwner(obj->location.tile);
00180
00181 if (owner != c->index) continue;
00182
00183 const ObjectSpec *spec = ObjectSpec::GetByTile(obj->location.tile);
00184
00185 if (HasBit(spec->callback_mask, CBM_OBJ_COLOUR)) continue;
00186
00187 const Livery *l = c->livery;
00188 obj->colour = ((spec->flags & OBJECT_FLAG_2CC_COLOUR) ? (l->colour2 * 16) : 0) + l->colour1;
00189 }
00190 }
00191
00192 extern CommandCost CheckBuildableTile(TileIndex tile, uint invalid_dirs, int &allowed_z, bool allow_steep, bool check_bridge);
00193 static CommandCost ClearTile_Object(TileIndex tile, DoCommandFlag flags);
00194
00204 CommandCost CmdBuildObject(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00205 {
00206 CommandCost cost(EXPENSES_PROPERTY);
00207
00208 ObjectType type = (ObjectType)GB(p1, 0, 16);
00209 if (type >= NUM_OBJECTS) return CMD_ERROR;
00210 uint8 view = GB(p2, 0, 2);
00211 const ObjectSpec *spec = ObjectSpec::Get(type);
00212 if (_game_mode == GM_NORMAL && !spec->IsAvailable() && !_generating_world) return CMD_ERROR;
00213 if ((_game_mode == GM_EDITOR || _generating_world) && !spec->WasEverAvailable()) return CMD_ERROR;
00214
00215 if ((spec->flags & OBJECT_FLAG_ONLY_IN_SCENEDIT) != 0 && ((!_generating_world && _game_mode != GM_EDITOR) || _current_company != OWNER_NONE)) return CMD_ERROR;
00216 if ((spec->flags & OBJECT_FLAG_ONLY_IN_GAME) != 0 && (_generating_world || _game_mode != GM_NORMAL || _current_company > MAX_COMPANIES)) return CMD_ERROR;
00217 if (view >= spec->views) return CMD_ERROR;
00218
00219 if (!Object::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_OBJECTS);
00220 if (Town::GetNumItems() == 0) return_cmd_error(STR_ERROR_MUST_FOUND_TOWN_FIRST);
00221
00222 int size_x = GB(spec->size, HasBit(view, 0) ? 4 : 0, 4);
00223 int size_y = GB(spec->size, HasBit(view, 0) ? 0 : 4, 4);
00224 TileArea ta(tile, size_x, size_y);
00225
00226 if (type == OBJECT_OWNED_LAND) {
00227
00228 cost.AddCost(DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR));
00229 } else {
00230
00231
00232
00233 bool allow_water = (spec->flags & (OBJECT_FLAG_BUILT_ON_WATER | OBJECT_FLAG_NOT_ON_LAND)) != 0;
00234 bool allow_ground = (spec->flags & OBJECT_FLAG_NOT_ON_LAND) == 0;
00235 TILE_AREA_LOOP(t, ta) {
00236 if (HasTileWaterGround(t)) {
00237 if (!allow_water) return_cmd_error(STR_ERROR_CAN_T_BUILD_ON_WATER);
00238 if (!IsWaterTile(t)) {
00239
00240
00241 cost.AddCost(DoCommand(t, 0, 0, flags & ~DC_NO_WATER & ~DC_EXEC, CMD_LANDSCAPE_CLEAR));
00242 } else {
00243
00244 Owner o = GetTileOwner(t);
00245 if (o != OWNER_NONE && o != OWNER_WATER) cost.AddCost(CheckOwnership(o, t));
00246
00247
00248 cost.AddCost(EnsureNoVehicleOnGround(t));
00249 }
00250 } else {
00251 if (!allow_ground) return_cmd_error(STR_ERROR_MUST_BE_BUILT_ON_WATER);
00252
00253 cost.AddCost(DoCommand(t, 0, 0, flags & ~DC_EXEC, CMD_LANDSCAPE_CLEAR));
00254 }
00255 }
00256
00257
00258 int allowed_z;
00259 if (GetTileSlope(tile, &allowed_z) != SLOPE_FLAT) allowed_z++;
00260
00261 TILE_AREA_LOOP(t, ta) {
00262 uint16 callback = CALLBACK_FAILED;
00263 if (HasBit(spec->callback_mask, CBM_OBJ_SLOPE_CHECK)) {
00264 TileIndex diff = t - tile;
00265 callback = GetObjectCallback(CBID_OBJECT_LAND_SLOPE_CHECK, GetTileSlope(t), TileY(diff) << 4 | TileX(diff), spec, NULL, t, view);
00266 }
00267
00268 if (callback == CALLBACK_FAILED) {
00269 cost.AddCost(CheckBuildableTile(t, 0, allowed_z, false, false));
00270 } else {
00271
00272 if (spec->grf_prop.grffile->grf_version < 8) ToggleBit(callback, 10);
00273 CommandCost ret = GetErrorMessageFromLocationCallbackResult(callback, spec->grf_prop.grffile->grfid, STR_ERROR_LAND_SLOPED_IN_WRONG_DIRECTION);
00274 if (ret.Failed()) return ret;
00275 }
00276 }
00277
00278 if (flags & DC_EXEC) {
00279
00280
00281 TILE_AREA_LOOP(t, ta) {
00282 if (HasTileWaterGround(t)) {
00283 if (!IsWaterTile(t)) {
00284 DoCommand(t, 0, 0, (flags & ~DC_NO_WATER) | DC_NO_MODIFY_TOWN_RATING, CMD_LANDSCAPE_CLEAR);
00285 }
00286 } else {
00287 DoCommand(t, 0, 0, flags | DC_NO_MODIFY_TOWN_RATING, CMD_LANDSCAPE_CLEAR);
00288 }
00289 }
00290 }
00291 }
00292 if (cost.Failed()) return cost;
00293
00294
00295 TILE_AREA_LOOP(t, ta) {
00296 if (MayHaveBridgeAbove(t) && IsBridgeAbove(t) && (
00297 !(spec->flags & OBJECT_FLAG_ALLOW_UNDER_BRIDGE) ||
00298 (GetTileMaxZ(t) + spec->height >= GetBridgeHeight(GetSouthernBridgeEnd(t))))) {
00299 return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
00300 }
00301 }
00302
00303 int hq_score = 0;
00304 switch (type) {
00305 case OBJECT_TRANSMITTER:
00306 case OBJECT_LIGHTHOUSE:
00307 if (!IsTileFlat(tile)) return_cmd_error(STR_ERROR_FLAT_LAND_REQUIRED);
00308 break;
00309
00310 case OBJECT_OWNED_LAND:
00311 if (IsTileType(tile, MP_OBJECT) &&
00312 IsTileOwner(tile, _current_company) &&
00313 IsObjectType(tile, OBJECT_OWNED_LAND)) {
00314 return_cmd_error(STR_ERROR_YOU_ALREADY_OWN_IT);
00315 }
00316 break;
00317
00318 case OBJECT_HQ: {
00319 Company *c = Company::Get(_current_company);
00320 if (c->location_of_HQ != INVALID_TILE) {
00321
00322 _current_company = OWNER_WATER;
00323 cost.AddCost(ClearTile_Object(c->location_of_HQ, flags));
00324 _current_company = c->index;
00325 }
00326
00327 if (flags & DC_EXEC) {
00328 hq_score = UpdateCompanyRatingAndValue(c, false);
00329 c->location_of_HQ = tile;
00330 SetWindowDirty(WC_COMPANY, c->index);
00331 }
00332 break;
00333 }
00334
00335 case OBJECT_STATUE:
00336
00337 return CMD_ERROR;
00338
00339 default:
00340 break;
00341 }
00342
00343 if (flags & DC_EXEC) {
00344 BuildObject(type, tile, _current_company, NULL, view);
00345
00346
00347 if (type == OBJECT_HQ) UpdateCompanyHQ(tile, hq_score);
00348 }
00349
00350 cost.AddCost(ObjectSpec::Get(type)->GetBuildCost() * size_x * size_y);
00351 return cost;
00352 }
00353
00354
00355 static Foundation GetFoundation_Object(TileIndex tile, Slope tileh);
00356
00357 static void DrawTile_Object(TileInfo *ti)
00358 {
00359 ObjectType type = GetObjectType(ti->tile);
00360 const ObjectSpec *spec = ObjectSpec::Get(type);
00361
00362
00363 if (!spec->enabled) type = OBJECT_TRANSMITTER;
00364
00365 if ((spec->flags & OBJECT_FLAG_HAS_NO_FOUNDATION) == 0) DrawFoundation(ti, GetFoundation_Object(ti->tile, ti->tileh));
00366
00367 if (type < NEW_OBJECT_OFFSET) {
00368 const DrawTileSprites *dts = NULL;
00369 Owner to = GetTileOwner(ti->tile);
00370 PaletteID palette = to == OWNER_NONE ? PAL_NONE : COMPANY_SPRITE_COLOUR(to);
00371
00372 if (type == OBJECT_HQ) {
00373 TileIndex diff = ti->tile - Object::GetByTile(ti->tile)->location.tile;
00374 dts = &_object_hq[GetCompanyHQSize(ti->tile) << 2 | TileY(diff) << 1 | TileX(diff)];
00375 } else {
00376 dts = &_objects[type];
00377 }
00378
00379 if (spec->flags & OBJECT_FLAG_HAS_NO_FOUNDATION) {
00380
00381
00382 switch (dts->ground.sprite) {
00383 case SPR_FLAT_BARE_LAND: DrawClearLandTile(ti, 0); break;
00384 case SPR_FLAT_1_THIRD_GRASS_TILE: DrawClearLandTile(ti, 1); break;
00385 case SPR_FLAT_2_THIRD_GRASS_TILE: DrawClearLandTile(ti, 2); break;
00386 case SPR_FLAT_GRASS_TILE: DrawClearLandTile(ti, 3); break;
00387 default: DrawGroundSprite(dts->ground.sprite, palette); break;
00388 }
00389 } else {
00390 DrawGroundSprite(dts->ground.sprite, palette);
00391 }
00392
00393 if (!IsInvisibilitySet(TO_STRUCTURES)) {
00394 const DrawTileSeqStruct *dtss;
00395 foreach_draw_tile_seq(dtss, dts->seq) {
00396 AddSortableSpriteToDraw(
00397 dtss->image.sprite, palette,
00398 ti->x + dtss->delta_x, ti->y + dtss->delta_y,
00399 dtss->size_x, dtss->size_y,
00400 dtss->size_z, ti->z + dtss->delta_z,
00401 IsTransparencySet(TO_STRUCTURES)
00402 );
00403 }
00404 }
00405 } else {
00406 DrawNewObjectTile(ti, spec);
00407 }
00408
00409 DrawBridgeMiddle(ti);
00410 }
00411
00412 static int GetSlopePixelZ_Object(TileIndex tile, uint x, uint y)
00413 {
00414 if (IsObjectType(tile, OBJECT_OWNED_LAND)) {
00415 int z;
00416 Slope tileh = GetTilePixelSlope(tile, &z);
00417
00418 return z + GetPartialPixelZ(x & 0xF, y & 0xF, tileh);
00419 } else {
00420 return GetTileMaxPixelZ(tile);
00421 }
00422 }
00423
00424 static Foundation GetFoundation_Object(TileIndex tile, Slope tileh)
00425 {
00426 return IsObjectType(tile, OBJECT_OWNED_LAND) ? FOUNDATION_NONE : FlatteningFoundation(tileh);
00427 }
00428
00433 static void ReallyClearObjectTile(Object *o)
00434 {
00435 Object::DecTypeCount(o->type);
00436 TILE_AREA_LOOP(tile_cur, o->location) {
00437 DeleteNewGRFInspectWindow(GSF_OBJECTS, tile_cur);
00438
00439 MakeWaterKeepingClass(tile_cur, GetTileOwner(tile_cur));
00440 }
00441 delete o;
00442 }
00443
00444 SmallVector<ClearedObjectArea, 4> _cleared_object_areas;
00445
00451 ClearedObjectArea *FindClearedObject(TileIndex tile)
00452 {
00453 TileArea ta = TileArea(tile, 1, 1);
00454
00455 const ClearedObjectArea *end = _cleared_object_areas.End();
00456 for (ClearedObjectArea *coa = _cleared_object_areas.Begin(); coa != end; coa++) {
00457 if (coa->area.Intersects(ta)) return coa;
00458 }
00459
00460 return NULL;
00461 }
00462
00463 static CommandCost ClearTile_Object(TileIndex tile, DoCommandFlag flags)
00464 {
00465
00466 Object *o = Object::GetByTile(tile);
00467 TileArea ta = o->location;
00468
00469 ObjectType type = o->type;
00470 const ObjectSpec *spec = ObjectSpec::Get(type);
00471
00472 CommandCost cost(EXPENSES_CONSTRUCTION, spec->GetClearCost() * ta.w * ta.h / 5);
00473 if (spec->flags & OBJECT_FLAG_CLEAR_INCOME) cost.MultiplyCost(-1);
00474
00475
00476 if (_current_company == OWNER_TOWN) return CMD_ERROR;
00477
00478
00479 if (_current_company != OWNER_WATER) {
00480 if ((flags & DC_NO_WATER) && IsTileOnWater(tile)) {
00481
00482 return_cmd_error(STR_ERROR_CAN_T_BUILD_ON_WATER);
00483 } else if (!(spec->flags & OBJECT_FLAG_AUTOREMOVE) && (flags & DC_AUTO)) {
00484
00485 return_cmd_error(type == OBJECT_HQ ? STR_ERROR_COMPANY_HEADQUARTERS_IN : STR_ERROR_OBJECT_IN_THE_WAY);
00486 } else if (_game_mode == GM_EDITOR) {
00487
00488 } else if (GetTileOwner(tile) == OWNER_NONE) {
00489
00490 if (!_cheats.magic_bulldozer.value && (spec->flags & OBJECT_FLAG_CANNOT_REMOVE) != 0) return CMD_ERROR;
00491 } else if (CheckTileOwnership(tile).Failed()) {
00492
00493 return_cmd_error(STR_ERROR_OWNED_BY);
00494 } else if ((spec->flags & OBJECT_FLAG_CANNOT_REMOVE) != 0 && (spec->flags & OBJECT_FLAG_AUTOREMOVE) == 0) {
00495
00496 if (!_cheats.magic_bulldozer.value) return CMD_ERROR;
00497
00498
00499 cost.MultiplyCost(25);
00500 }
00501 } else if ((spec->flags & (OBJECT_FLAG_BUILT_ON_WATER | OBJECT_FLAG_NOT_ON_LAND)) != 0) {
00502
00503 return CMD_ERROR;
00504 }
00505
00506 switch (type) {
00507 case OBJECT_HQ: {
00508 Company *c = Company::Get(GetTileOwner(tile));
00509 if (flags & DC_EXEC) {
00510 c->location_of_HQ = INVALID_TILE;
00511 SetWindowDirty(WC_COMPANY, c->index);
00512 CargoPacket::InvalidateAllFrom(ST_HEADQUARTERS, c->index);
00513 }
00514
00515
00516 cost = CommandCost(EXPENSES_PROPERTY, CalculateCompanyValue(c) / 100);
00517 break;
00518 }
00519
00520 case OBJECT_STATUE:
00521 if (flags & DC_EXEC) {
00522 Town *town = o->town;
00523 ClrBit(town->statues, GetTileOwner(tile));
00524 SetWindowDirty(WC_TOWN_AUTHORITY, town->index);
00525 }
00526 break;
00527
00528 default:
00529 break;
00530 }
00531
00532 ClearedObjectArea *cleared_area = _cleared_object_areas.Append();
00533 cleared_area->first_tile = tile;
00534 cleared_area->area = ta;
00535
00536 if (flags & DC_EXEC) ReallyClearObjectTile(o);
00537
00538 return cost;
00539 }
00540
00541 static void AddAcceptedCargo_Object(TileIndex tile, CargoArray &acceptance, uint32 *always_accepted)
00542 {
00543 if (!IsObjectType(tile, OBJECT_HQ)) return;
00544
00545
00546
00547
00548
00549 uint level = GetCompanyHQSize(tile) + 1;
00550
00551
00552
00553 acceptance[CT_PASSENGERS] += max(1U, level);
00554 SetBit(*always_accepted, CT_PASSENGERS);
00555
00556
00557
00558
00559
00560 acceptance[CT_MAIL] += max(1U, level / 2);
00561 SetBit(*always_accepted, CT_MAIL);
00562 }
00563
00564
00565 static void GetTileDesc_Object(TileIndex tile, TileDesc *td)
00566 {
00567 const ObjectSpec *spec = ObjectSpec::GetByTile(tile);
00568 td->str = spec->name;
00569 td->owner[0] = GetTileOwner(tile);
00570 td->build_date = Object::GetByTile(tile)->build_date;
00571
00572 if (spec->grf_prop.grffile != NULL) {
00573 td->grf = GetGRFConfig(spec->grf_prop.grffile->grfid)->GetName();
00574 }
00575 }
00576
00577 static void TileLoop_Object(TileIndex tile)
00578 {
00579 const ObjectSpec *spec = ObjectSpec::GetByTile(tile);
00580 if (spec->flags & OBJECT_FLAG_ANIMATION) {
00581 Object *o = Object::GetByTile(tile);
00582 TriggerObjectTileAnimation(o, tile, OAT_TILELOOP, spec);
00583 if (o->location.tile == tile) TriggerObjectAnimation(o, OAT_256_TICKS, spec);
00584 }
00585
00586 if (IsTileOnWater(tile)) TileLoop_Water(tile);
00587
00588 if (!IsObjectType(tile, OBJECT_HQ)) return;
00589
00590
00591
00592
00593
00594 uint level = GetCompanyHQSize(tile) + 1;
00595 assert(level < 6);
00596
00597 StationFinder stations(TileArea(tile, 2, 2));
00598
00599 uint r = Random();
00600
00601 if (GB(r, 0, 8) < (256 / 4 / (6 - level))) {
00602 uint amt = GB(r, 0, 8) / 8 / 4 + 1;
00603 if (EconomyIsInRecession()) amt = (amt + 1) >> 1;
00604 MoveGoodsToStation(CT_PASSENGERS, amt, ST_HEADQUARTERS, GetTileOwner(tile), stations.GetStations());
00605 }
00606
00607
00608
00609
00610 if (GB(r, 8, 8) < (196 / 4 / (6 - level))) {
00611 uint amt = GB(r, 8, 8) / 8 / 4 + 1;
00612 if (EconomyIsInRecession()) amt = (amt + 1) >> 1;
00613 MoveGoodsToStation(CT_MAIL, amt, ST_HEADQUARTERS, GetTileOwner(tile), stations.GetStations());
00614 }
00615 }
00616
00617
00618 static TrackStatus GetTileTrackStatus_Object(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
00619 {
00620 return 0;
00621 }
00622
00623 static bool ClickTile_Object(TileIndex tile)
00624 {
00625 if (!IsObjectType(tile, OBJECT_HQ)) return false;
00626
00627 ShowCompany(GetTileOwner(tile));
00628 return true;
00629 }
00630
00631 static void AnimateTile_Object(TileIndex tile)
00632 {
00633 AnimateNewObjectTile(tile);
00634 }
00635
00642 static bool HasTransmitter(TileIndex tile, void *user)
00643 {
00644 return IsObjectTypeTile(tile, OBJECT_TRANSMITTER);
00645 }
00646
00651 static bool TryBuildLightHouse()
00652 {
00653 uint maxx = MapMaxX();
00654 uint maxy = MapMaxY();
00655 uint r = Random();
00656
00657
00658 int perimeter = (GB(r, 16, 16) % (2 * (maxx + maxy))) - maxy;
00659 DiagDirection dir;
00660 for (dir = DIAGDIR_NE; perimeter > 0; dir++) {
00661 perimeter -= (DiagDirToAxis(dir) == AXIS_X) ? maxx : maxy;
00662 }
00663
00664 TileIndex tile;
00665 switch (dir) {
00666 default:
00667 case DIAGDIR_NE: tile = TileXY(maxx - 1, r % maxy); break;
00668 case DIAGDIR_SE: tile = TileXY(r % maxx, 1); break;
00669 case DIAGDIR_SW: tile = TileXY(1, r % maxy); break;
00670 case DIAGDIR_NW: tile = TileXY(r % maxx, maxy - 1); break;
00671 }
00672
00673
00674 if (!IsTileType(tile, MP_WATER)) return false;
00675
00676 for (int j = 0; j < 19; j++) {
00677 int h;
00678 if (IsTileType(tile, MP_CLEAR) && IsTileFlat(tile, &h) && h <= 2 && !IsBridgeAbove(tile)) {
00679 BuildObject(OBJECT_LIGHTHOUSE, tile);
00680 assert(tile < MapSize());
00681 return true;
00682 }
00683 tile += TileOffsByDiagDir(dir);
00684 if (!IsValidTile(tile)) return false;
00685 }
00686 return false;
00687 }
00688
00693 static bool TryBuildTransmitter()
00694 {
00695 TileIndex tile = RandomTile();
00696 int h;
00697 if (IsTileType(tile, MP_CLEAR) && IsTileFlat(tile, &h) && h >= 4 && !IsBridgeAbove(tile)) {
00698 TileIndex t = tile;
00699 if (CircularTileSearch(&t, 9, HasTransmitter, NULL)) return false;
00700
00701 BuildObject(OBJECT_TRANSMITTER, tile);
00702 return true;
00703 }
00704 return false;
00705 }
00706
00707 void GenerateObjects()
00708 {
00709
00710 SetGeneratingWorldProgress(GWP_OBJECT, NUM_OBJECTS);
00711
00712
00713 uint num_water_tiles = 0;
00714 if (_settings_game.construction.freeform_edges) {
00715 for (uint x = 0; x < MapMaxX(); x++) {
00716 if (IsTileType(TileXY(x, 1), MP_WATER)) num_water_tiles++;
00717 if (IsTileType(TileXY(x, MapMaxY() - 1), MP_WATER)) num_water_tiles++;
00718 }
00719 for (uint y = 1; y < MapMaxY() - 1; y++) {
00720 if (IsTileType(TileXY(1, y), MP_WATER)) num_water_tiles++;
00721 if (IsTileType(TileXY(MapMaxX() - 1, y), MP_WATER)) num_water_tiles++;
00722 }
00723 }
00724
00725
00726 for (uint i = 0; i < NUM_OBJECTS; i++) {
00727 const ObjectSpec *spec = ObjectSpec::Get(i);
00728
00729
00730 if (!spec->WasEverAvailable() || spec->generate_amount == 0) continue;
00731
00732 uint16 amount = spec->generate_amount;
00733
00734
00735 if ((spec->flags & OBJECT_FLAG_SCALE_BY_WATER) && _settings_game.construction.freeform_edges) {
00736
00737
00738
00739 amount = ScaleByMapSize1D(amount * num_water_tiles) / (2 * MapMaxY() + 2 * MapMaxX() - 6);
00740 } else if (spec->flags & OBJECT_FLAG_SCALE_BY_WATER) {
00741 amount = ScaleByMapSize1D(amount);
00742 } else {
00743 amount = ScaleByMapSize(amount);
00744 }
00745
00746
00747 for (uint j = ScaleByMapSize(1000); j != 0 && amount != 0 && Object::CanAllocateItem(); j--) {
00748 switch (i) {
00749 case OBJECT_TRANSMITTER:
00750 if (TryBuildTransmitter()) amount--;
00751 break;
00752
00753 case OBJECT_LIGHTHOUSE:
00754 if (TryBuildLightHouse()) amount--;
00755 break;
00756
00757 default:
00758 uint8 view = RandomRange(spec->views);
00759 if (CmdBuildObject(RandomTile(), DC_EXEC | DC_AUTO | DC_NO_TEST_TOWN_RATING | DC_NO_MODIFY_TOWN_RATING, i, view, NULL).Succeeded()) amount--;
00760 break;
00761 }
00762 }
00763 IncreaseGeneratingWorldProgress(GWP_OBJECT);
00764 }
00765 }
00766
00767 static void ChangeTileOwner_Object(TileIndex tile, Owner old_owner, Owner new_owner)
00768 {
00769 if (!IsTileOwner(tile, old_owner)) return;
00770
00771 if (IsObjectType(tile, OBJECT_OWNED_LAND) && new_owner != INVALID_OWNER) {
00772 SetTileOwner(tile, new_owner);
00773 } else if (IsObjectType(tile, OBJECT_STATUE)) {
00774 Town *t = Object::GetByTile(tile)->town;
00775 ClrBit(t->statues, old_owner);
00776 if (new_owner != INVALID_OWNER && !HasBit(t->statues, new_owner)) {
00777
00778 SetBit(t->statues, new_owner);
00779 SetTileOwner(tile, new_owner);
00780 } else {
00781 ReallyClearObjectTile(Object::GetByTile(tile));
00782 }
00783
00784 SetWindowDirty(WC_TOWN_AUTHORITY, t->index);
00785 } else {
00786 ReallyClearObjectTile(Object::GetByTile(tile));
00787 }
00788 }
00789
00790 static CommandCost TerraformTile_Object(TileIndex tile, DoCommandFlag flags, int z_new, Slope tileh_new)
00791 {
00792 ObjectType type = GetObjectType(tile);
00793
00794 if (type == OBJECT_OWNED_LAND) {
00795
00796 CommandCost ret = CheckTileOwnership(tile);
00797 if (ret.Succeeded()) return CommandCost();
00798 } else if (AutoslopeEnabled() && type != OBJECT_TRANSMITTER && type != OBJECT_LIGHTHOUSE) {
00799
00800
00801
00802
00803
00804
00805 Slope tileh_old = GetTileSlope(tile);
00806
00807 if (!IsSteepSlope(tileh_old) && !IsSteepSlope(tileh_new) && (GetTileMaxZ(tile) == z_new + GetSlopeMaxZ(tileh_new))) {
00808 const ObjectSpec *spec = ObjectSpec::Get(type);
00809
00810
00811 if (HasBit(spec->callback_mask, CBM_OBJ_AUTOSLOPE)) {
00812
00813 uint16 res = GetObjectCallback(CBID_OBJECT_AUTOSLOPE, 0, 0, spec, Object::GetByTile(tile), tile);
00814 if (res == CALLBACK_FAILED || !ConvertBooleanCallback(spec->grf_prop.grffile, CBID_OBJECT_AUTOSLOPE, res)) return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
00815 } else if (spec->enabled) {
00816
00817 return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_FOUNDATION]);
00818 }
00819 }
00820 }
00821
00822 return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00823 }
00824
00825 extern const TileTypeProcs _tile_type_object_procs = {
00826 DrawTile_Object,
00827 GetSlopePixelZ_Object,
00828 ClearTile_Object,
00829 AddAcceptedCargo_Object,
00830 GetTileDesc_Object,
00831 GetTileTrackStatus_Object,
00832 ClickTile_Object,
00833 AnimateTile_Object,
00834 TileLoop_Object,
00835 ChangeTileOwner_Object,
00836 NULL,
00837 NULL,
00838 GetFoundation_Object,
00839 TerraformTile_Object,
00840 };