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00012 #include "stdafx.h"
00013 #include "openttd.h"
00014 #include "clear_map.h"
00015 #include "landscape.h"
00016 #include "tree_map.h"
00017 #include "viewport_func.h"
00018 #include "command_func.h"
00019 #include "economy_func.h"
00020 #include "town.h"
00021 #include "variables.h"
00022 #include "genworld.h"
00023 #include "transparency.h"
00024 #include "functions.h"
00025 #include "company_func.h"
00026 #include "sound_func.h"
00027 #include "water_map.h"
00028 #include "water.h"
00029 #include "landscape_type.h"
00030 #include "company_base.h"
00031
00032 #include "table/strings.h"
00033 #include "table/sprites.h"
00034 #include "table/tree_land.h"
00035 #include "table/clear_land.h"
00036
00042 enum TreePlacer {
00043 TP_NONE,
00044 TP_ORIGINAL,
00045 TP_IMPROVED,
00046 };
00047
00049 enum ExtraTreePlacement {
00050 ETP_NONE,
00051 ETP_RAINFOREST,
00052 ETP_ALL,
00053 };
00054
00055
00064 static bool CanPlantTreesOnTile(TileIndex tile, bool allow_desert)
00065 {
00066 switch (GetTileType(tile)) {
00067 case MP_WATER:
00068 return !IsBridgeAbove(tile) && IsCoast(tile) && !IsSlopeWithOneCornerRaised(GetTileSlope(tile, NULL));
00069
00070 case MP_CLEAR:
00071 return !IsBridgeAbove(tile) && !IsClearGround(tile, CLEAR_FIELDS) && !IsClearGround(tile, CLEAR_ROCKS) &&
00072 (allow_desert || !IsClearGround(tile, CLEAR_DESERT));
00073
00074 default: return false;
00075 }
00076 }
00077
00089 static void PlantTreesOnTile(TileIndex tile, TreeType treetype, uint count, uint growth)
00090 {
00091 assert(treetype != TREE_INVALID);
00092 assert(CanPlantTreesOnTile(tile, true));
00093
00094 TreeGround ground;
00095 uint density = 3;
00096
00097 switch (GetTileType(tile)) {
00098 case MP_WATER:
00099 ground = TREE_GROUND_SHORE;
00100 break;
00101
00102 case MP_CLEAR:
00103 switch (GetClearGround(tile)) {
00104 case CLEAR_GRASS: ground = TREE_GROUND_GRASS; density = GetClearDensity(tile); break;
00105 case CLEAR_ROUGH: ground = TREE_GROUND_ROUGH; break;
00106 default: ground = TREE_GROUND_SNOW_DESERT; density = GetClearDensity(tile); break;
00107 }
00108 break;
00109
00110 default: NOT_REACHED();
00111 }
00112
00113 MakeTree(tile, treetype, count, growth, ground, density);
00114 }
00115
00127 static TreeType GetRandomTreeType(TileIndex tile, uint seed)
00128 {
00129 switch (_settings_game.game_creation.landscape) {
00130 case LT_TEMPERATE:
00131 return (TreeType)(seed * TREE_COUNT_TEMPERATE / 256 + TREE_TEMPERATE);
00132
00133 case LT_ARCTIC:
00134 return (TreeType)(seed * TREE_COUNT_SUB_ARCTIC / 256 + TREE_SUB_ARCTIC);
00135
00136 case LT_TROPIC:
00137 switch (GetTropicZone(tile)) {
00138 case TROPICZONE_NORMAL: return (TreeType)(seed * TREE_COUNT_SUB_TROPICAL / 256 + TREE_SUB_TROPICAL);
00139 case TROPICZONE_DESERT: return (TreeType)((seed > 12) ? TREE_INVALID : TREE_CACTUS);
00140 default: return (TreeType)(seed * TREE_COUNT_RAINFOREST / 256 + TREE_RAINFOREST);
00141 }
00142
00143 default:
00144 return (TreeType)(seed * TREE_COUNT_TOYLAND / 256 + TREE_TOYLAND);
00145 }
00146 }
00147
00157 static void PlaceTree(TileIndex tile, uint32 r)
00158 {
00159 TreeType tree = GetRandomTreeType(tile, GB(r, 24, 8));
00160
00161 if (tree != TREE_INVALID) {
00162 PlantTreesOnTile(tile, tree, GB(r, 22, 2), min(GB(r, 16, 3), 6));
00163
00164
00165 TreeGround ground = GetTreeGround(tile);
00166 if (ground != TREE_GROUND_SNOW_DESERT && ground != TREE_GROUND_SHORE) {
00167 SetTreeGroundDensity(tile, (TreeGround)GB(r, 28, 1), 3);
00168 }
00169
00170
00171 SetTreeCounter(tile, (TreeGround)GB(r, 24, 4));
00172 }
00173 }
00174
00184 static void DoPlaceMoreTrees(TileIndex tile)
00185 {
00186 uint i;
00187
00188 for (i = 0; i < 1000; i++) {
00189 uint32 r = Random();
00190 int x = GB(r, 0, 5) - 16;
00191 int y = GB(r, 8, 5) - 16;
00192 uint dist = abs(x) + abs(y);
00193 TileIndex cur_tile = TileAddWrap(tile, x, y);
00194
00195 if (cur_tile != INVALID_TILE && dist <= 13 && CanPlantTreesOnTile(cur_tile, true)) {
00196 PlaceTree(cur_tile, r);
00197 }
00198 }
00199 }
00200
00206 static void PlaceMoreTrees()
00207 {
00208 uint i = ScaleByMapSize(GB(Random(), 0, 5) + 25);
00209 do {
00210 DoPlaceMoreTrees(RandomTile());
00211 } while (--i);
00212 }
00213
00223 static void PlaceTreeAtSameHeight(TileIndex tile, uint height)
00224 {
00225 uint i;
00226
00227 for (i = 0; i < 1000; i++) {
00228 uint32 r = Random();
00229 int x = GB(r, 0, 5) - 16;
00230 int y = GB(r, 8, 5) - 16;
00231 TileIndex cur_tile = TileAddWrap(tile, x, y);
00232 if (cur_tile == INVALID_TILE) continue;
00233
00234
00235 if (abs(x) + abs(y) > 16) continue;
00236
00237
00238 if (!CanPlantTreesOnTile(cur_tile, true)) continue;
00239
00240
00241 if (Delta(GetTileZ(cur_tile), height) > 2) continue;
00242
00243
00244 PlaceTree(cur_tile, r);
00245 break;
00246 }
00247 }
00248
00254 void PlaceTreesRandomly()
00255 {
00256 uint i, j, ht;
00257
00258 i = ScaleByMapSize(1000);
00259 do {
00260 uint32 r = Random();
00261 TileIndex tile = RandomTileSeed(r);
00262
00263 IncreaseGeneratingWorldProgress(GWP_TREE);
00264
00265 if (CanPlantTreesOnTile(tile, true)) {
00266 PlaceTree(tile, r);
00267 if (_settings_game.game_creation.tree_placer != TP_IMPROVED) continue;
00268
00269
00270
00271
00272 ht = GetTileZ(tile);
00273
00274 j = GetTileZ(tile) / TILE_HEIGHT * 2;
00275 while (j--) {
00276
00277 if (_settings_game.game_creation.landscape == LT_ARCTIC && ht > GetSnowLine()) {
00278 PlaceTreeAtSameHeight(tile, ht);
00279 PlaceTreeAtSameHeight(tile, ht);
00280 };
00281
00282 PlaceTreeAtSameHeight(tile, ht);
00283 }
00284 }
00285 } while (--i);
00286
00287
00288 if (_settings_game.game_creation.landscape == LT_TROPIC) {
00289 i = ScaleByMapSize(15000);
00290
00291 do {
00292 uint32 r = Random();
00293 TileIndex tile = RandomTileSeed(r);
00294
00295 IncreaseGeneratingWorldProgress(GWP_TREE);
00296
00297 if (GetTropicZone(tile) == TROPICZONE_RAINFOREST && CanPlantTreesOnTile(tile, false)) {
00298 PlaceTree(tile, r);
00299 }
00300 } while (--i);
00301 }
00302 }
00303
00310 void GenerateTrees()
00311 {
00312 uint i, total;
00313
00314 if (_settings_game.game_creation.tree_placer == TP_NONE) return;
00315
00316 if (_settings_game.game_creation.landscape != LT_TOYLAND) PlaceMoreTrees();
00317
00318 switch (_settings_game.game_creation.tree_placer) {
00319 case TP_ORIGINAL: i = _settings_game.game_creation.landscape == LT_ARCTIC ? 15 : 6; break;
00320 case TP_IMPROVED: i = _settings_game.game_creation.landscape == LT_ARCTIC ? 4 : 2; break;
00321 default: NOT_REACHED();
00322 }
00323
00324 total = ScaleByMapSize(1000);
00325 if (_settings_game.game_creation.landscape == LT_TROPIC) total += ScaleByMapSize(15000);
00326 total *= i;
00327 SetGeneratingWorldProgress(GWP_TREE, total);
00328
00329 for (; i != 0; i--) {
00330 PlaceTreesRandomly();
00331 }
00332 }
00333
00342 CommandCost CmdPlantTree(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00343 {
00344 StringID msg = INVALID_STRING_ID;
00345 CommandCost cost(EXPENSES_OTHER);
00346 int ex;
00347 int ey;
00348 int sx, sy, x, y;
00349
00350 if (p2 >= MapSize()) return CMD_ERROR;
00351
00352 if (p1 != UINT_MAX && p1 - _tree_base_by_landscape[_settings_game.game_creation.landscape] >= _tree_count_by_landscape[_settings_game.game_creation.landscape]) return CMD_ERROR;
00353
00354
00355 ex = TileX(tile);
00356 ey = TileY(tile);
00357 sx = TileX(p2);
00358 sy = TileY(p2);
00359 if (ex < sx) Swap(ex, sx);
00360 if (ey < sy) Swap(ey, sy);
00361
00362 for (x = sx; x <= ex; x++) {
00363 for (y = sy; y <= ey; y++) {
00364 TileIndex tile = TileXY(x, y);
00365
00366 switch (GetTileType(tile)) {
00367 case MP_TREES:
00368
00369 if (_game_mode != GM_EDITOR && GetTreeCount(tile) == 4) {
00370 msg = STR_ERROR_TREE_ALREADY_HERE;
00371 continue;
00372 }
00373
00374 if (flags & DC_EXEC) {
00375 AddTreeCount(tile, 1);
00376 MarkTileDirtyByTile(tile);
00377 }
00378
00379 cost.AddCost(_price[PR_BUILD_TREES] * 2);
00380 break;
00381
00382 case MP_WATER:
00383 if (!IsCoast(tile) || IsSlopeWithOneCornerRaised(GetTileSlope(tile, NULL))) {
00384 msg = STR_ERROR_CAN_T_BUILD_ON_WATER;
00385 continue;
00386 }
00387
00388 case MP_CLEAR:
00389 if (IsBridgeAbove(tile)) {
00390 msg = STR_ERROR_SITE_UNSUITABLE;
00391 continue;
00392 }
00393
00394 if (IsTileType(tile, MP_CLEAR)) {
00395
00396 switch (GetClearGround(tile)) {
00397 case CLEAR_FIELDS:
00398 case CLEAR_ROCKS: {
00399 CommandCost ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00400 if (CmdFailed(ret)) return ret;
00401 cost.AddCost(ret);
00402 break;
00403 }
00404
00405 default: break;
00406 }
00407 }
00408
00409 if (_game_mode != GM_EDITOR && Company::IsValidID(_current_company)) {
00410 Town *t = ClosestTownFromTile(tile, _settings_game.economy.dist_local_authority);
00411 if (t != NULL) ChangeTownRating(t, RATING_TREE_UP_STEP, RATING_TREE_MAXIMUM, flags);
00412 }
00413
00414 if (flags & DC_EXEC) {
00415 TreeType treetype;
00416
00417 treetype = (TreeType)p1;
00418 if (treetype == TREE_INVALID) {
00419 treetype = GetRandomTreeType(tile, GB(Random(), 24, 8));
00420 if (treetype == TREE_INVALID) treetype = TREE_CACTUS;
00421 }
00422
00423
00424 PlantTreesOnTile(tile, treetype, 0, _game_mode == GM_EDITOR ? 3 : 0);
00425 MarkTileDirtyByTile(tile);
00426
00427
00428 if (_game_mode == GM_EDITOR && IsInsideMM(treetype, TREE_RAINFOREST, TREE_CACTUS))
00429 SetTropicZone(tile, TROPICZONE_RAINFOREST);
00430 }
00431 cost.AddCost(_price[PR_BUILD_TREES]);
00432 break;
00433
00434 default:
00435 msg = STR_ERROR_SITE_UNSUITABLE;
00436 break;
00437 }
00438 }
00439 }
00440
00441 if (cost.GetCost() == 0) {
00442 return_cmd_error(msg);
00443 } else {
00444 return cost;
00445 }
00446 }
00447
00448 struct TreeListEnt {
00449 SpriteID image;
00450 SpriteID pal;
00451 byte x, y;
00452 };
00453
00454 static void DrawTile_Trees(TileInfo *ti)
00455 {
00456 switch (GetTreeGround(ti->tile)) {
00457 case TREE_GROUND_SHORE: DrawShoreTile(ti->tileh); break;
00458 case TREE_GROUND_GRASS: DrawClearLandTile(ti, GetTreeDensity(ti->tile)); break;
00459 case TREE_GROUND_ROUGH: DrawHillyLandTile(ti); break;
00460 default: DrawGroundSprite(_clear_land_sprites_snow_desert[GetTreeDensity(ti->tile)] + _tileh_to_sprite[ti->tileh], PAL_NONE); break;
00461 }
00462
00463 DrawClearLandFence(ti);
00464
00465
00466 if (IsInvisibilitySet(TO_TREES)) return;
00467
00468 uint tmp = CountBits(ti->tile + ti->x + ti->y);
00469 uint index = GB(tmp, 0, 2) + (GetTreeType(ti->tile) << 2);
00470
00471
00472 if (GetTreeGround(ti->tile) == TREE_GROUND_SNOW_DESERT &&
00473 GetTreeDensity(ti->tile) >= 2 &&
00474 IsInsideMM(index, TREE_SUB_ARCTIC << 2, TREE_RAINFOREST << 2)) {
00475 index += 164 - (TREE_SUB_ARCTIC << 2);
00476 }
00477
00478 assert(index < lengthof(_tree_layout_sprite));
00479
00480 const PalSpriteID *s = _tree_layout_sprite[index];
00481 const TreePos *d = _tree_layout_xy[GB(tmp, 2, 2)];
00482
00483
00484 StartSpriteCombine();
00485
00486 TreeListEnt te[4];
00487
00488
00489 uint trees = GetTreeCount(ti->tile);
00490
00491 for (uint i = 0; i < trees; i++) {
00492 SpriteID image = s[0].sprite + (i == trees - 1 ? GetTreeGrowth(ti->tile) : 3);
00493 SpriteID pal = s[0].pal;
00494
00495 te[i].image = image;
00496 te[i].pal = pal;
00497 te[i].x = d->x;
00498 te[i].y = d->y;
00499 s++;
00500 d++;
00501 }
00502
00503
00504 byte z = ti->z + GetSlopeMaxZ(ti->tileh) / 2;
00505
00506 for (; trees > 0; trees--) {
00507 uint min = te[0].x + te[0].y;
00508 uint mi = 0;
00509
00510 for (uint i = 1; i < trees; i++) {
00511 if ((uint)(te[i].x + te[i].y) < min) {
00512 min = te[i].x + te[i].y;
00513 mi = i;
00514 }
00515 }
00516
00517 AddSortableSpriteToDraw(te[mi].image, te[mi].pal, ti->x + te[mi].x, ti->y + te[mi].y, 16 - te[mi].x, 16 - te[mi].y, 0x30, z, IsTransparencySet(TO_TREES), -te[mi].x, -te[mi].y);
00518
00519
00520 te[mi] = te[trees - 1];
00521 }
00522
00523 EndSpriteCombine();
00524 }
00525
00526
00527 static uint GetSlopeZ_Trees(TileIndex tile, uint x, uint y)
00528 {
00529 uint z;
00530 Slope tileh = GetTileSlope(tile, &z);
00531
00532 return z + GetPartialZ(x & 0xF, y & 0xF, tileh);
00533 }
00534
00535 static Foundation GetFoundation_Trees(TileIndex tile, Slope tileh)
00536 {
00537 return FOUNDATION_NONE;
00538 }
00539
00540 static CommandCost ClearTile_Trees(TileIndex tile, DoCommandFlag flags)
00541 {
00542 uint num;
00543
00544 if (Company::IsValidID(_current_company)) {
00545 Town *t = ClosestTownFromTile(tile, _settings_game.economy.dist_local_authority);
00546 if (t != NULL) ChangeTownRating(t, RATING_TREE_DOWN_STEP, RATING_TREE_MINIMUM, flags);
00547 }
00548
00549 num = GetTreeCount(tile);
00550 if (IsInsideMM(GetTreeType(tile), TREE_RAINFOREST, TREE_CACTUS)) num *= 4;
00551
00552 if (flags & DC_EXEC) DoClearSquare(tile);
00553
00554 return CommandCost(EXPENSES_CONSTRUCTION, num * _price[PR_CLEAR_TREES]);
00555 }
00556
00557 static void GetTileDesc_Trees(TileIndex tile, TileDesc *td)
00558 {
00559 TreeType tt = GetTreeType(tile);
00560
00561 if (IsInsideMM(tt, TREE_RAINFOREST, TREE_CACTUS)) {
00562 td->str = STR_LAI_TREE_NAME_RAINFOREST;
00563 } else {
00564 td->str = tt == TREE_CACTUS ? STR_LAI_TREE_NAME_CACTUS_PLANTS : STR_LAI_TREE_NAME_TREES;
00565 }
00566
00567 td->owner[0] = GetTileOwner(tile);
00568 }
00569
00570 static void TileLoopTreesDesert(TileIndex tile)
00571 {
00572 switch (GetTropicZone(tile)) {
00573 case TROPICZONE_DESERT:
00574 if (GetTreeGround(tile) != TREE_GROUND_SNOW_DESERT) {
00575 SetTreeGroundDensity(tile, TREE_GROUND_SNOW_DESERT, 3);
00576 MarkTileDirtyByTile(tile);
00577 }
00578 break;
00579
00580 case TROPICZONE_RAINFOREST: {
00581 static const SoundFx forest_sounds[] = {
00582 SND_42_LOON_BIRD,
00583 SND_43_LION,
00584 SND_44_MONKEYS,
00585 SND_48_DISTANT_BIRD
00586 };
00587 uint32 r = Random();
00588
00589 if (Chance16I(1, 200, r)) SndPlayTileFx(forest_sounds[GB(r, 16, 2)], tile);
00590 break;
00591 }
00592
00593 default: break;
00594 }
00595 }
00596
00597 static void TileLoopTreesAlps(TileIndex tile)
00598 {
00599 int k = GetTileZ(tile) - GetSnowLine() + TILE_HEIGHT;
00600
00601 if (k < 0) {
00602 if (GetTreeGround(tile) != TREE_GROUND_SNOW_DESERT) return;
00603 SetTreeGroundDensity(tile, TREE_GROUND_GRASS, 3);
00604 } else {
00605 uint density = min((uint)k / TILE_HEIGHT, 3);
00606
00607 if (GetTreeGround(tile) != TREE_GROUND_SNOW_DESERT ||
00608 GetTreeDensity(tile) != density) {
00609 SetTreeGroundDensity(tile, TREE_GROUND_SNOW_DESERT, density);
00610 } else {
00611 if (GetTreeDensity(tile) == 3) {
00612 uint32 r = Random();
00613 if (Chance16I(1, 200, r)) {
00614 SndPlayTileFx((r & 0x80000000) ? SND_39_HEAVY_WIND : SND_34_WIND, tile);
00615 }
00616 }
00617 return;
00618 }
00619 }
00620 MarkTileDirtyByTile(tile);
00621 }
00622
00623 static void TileLoop_Trees(TileIndex tile)
00624 {
00625 if (GetTreeGround(tile) == TREE_GROUND_SHORE) {
00626 TileLoop_Water(tile);
00627 } else {
00628 switch (_settings_game.game_creation.landscape) {
00629 case LT_TROPIC: TileLoopTreesDesert(tile); break;
00630 case LT_ARCTIC: TileLoopTreesAlps(tile); break;
00631 }
00632 }
00633
00634 TileLoopClearHelper(tile);
00635
00636 uint treeCounter = GetTreeCounter(tile);
00637
00638
00639 if ((treeCounter & 7) == 7 && GetTreeGround(tile) == TREE_GROUND_GRASS) {
00640 uint density = GetTreeDensity(tile);
00641 if (density < 3) {
00642 SetTreeGroundDensity(tile, TREE_GROUND_GRASS, density + 1);
00643 MarkTileDirtyByTile(tile);
00644 }
00645 }
00646 if (GetTreeCounter(tile) < 15) {
00647 AddTreeCounter(tile, 1);
00648 return;
00649 }
00650 SetTreeCounter(tile, 0);
00651
00652 switch (GetTreeGrowth(tile)) {
00653 case 3:
00654 if (_settings_game.game_creation.landscape == LT_TROPIC &&
00655 GetTreeType(tile) != TREE_CACTUS &&
00656 GetTropicZone(tile) == TROPICZONE_DESERT) {
00657 AddTreeGrowth(tile, 1);
00658 } else {
00659 switch (GB(Random(), 0, 3)) {
00660 case 0:
00661 AddTreeGrowth(tile, 1);
00662 break;
00663
00664 case 1:
00665 if (GetTreeCount(tile) < 4) {
00666 AddTreeCount(tile, 1);
00667 SetTreeGrowth(tile, 0);
00668 break;
00669 }
00670
00671
00672 case 2: {
00673
00674 if ((_settings_game.game_creation.landscape == LT_TROPIC && GetTropicZone(tile) == TROPICZONE_RAINFOREST) ?
00675 _settings_game.construction.extra_tree_placement == ETP_NONE :
00676 _settings_game.construction.extra_tree_placement != ETP_ALL) {
00677 break;
00678 }
00679
00680 TreeType treetype = GetTreeType(tile);
00681
00682 tile += TileOffsByDir((Direction)(Random() & 7));
00683
00684
00685 if (!CanPlantTreesOnTile(tile, false)) return;
00686
00687
00688 if (IsTileType(tile, MP_CLEAR) && GetClearGround(tile) == CLEAR_GRASS && GetClearDensity(tile) != 3) return;
00689
00690 PlantTreesOnTile(tile, treetype, 0, 0);
00691
00692 break;
00693 }
00694
00695 default:
00696 return;
00697 }
00698 }
00699 break;
00700
00701 case 6:
00702 if (GetTreeCount(tile) > 1) {
00703
00704 AddTreeCount(tile, -1);
00705 SetTreeGrowth(tile, 3);
00706 } else {
00707
00708 switch (GetTreeGround(tile)) {
00709 case TREE_GROUND_SHORE: MakeShore(tile); break;
00710 case TREE_GROUND_GRASS: MakeClear(tile, CLEAR_GRASS, GetTreeDensity(tile)); break;
00711 case TREE_GROUND_ROUGH: MakeClear(tile, CLEAR_ROUGH, 3); break;
00712 default:
00713 MakeClear(tile, _settings_game.game_creation.landscape == LT_TROPIC ? CLEAR_DESERT : CLEAR_SNOW, GetTreeDensity(tile));
00714 break;
00715 }
00716 }
00717 break;
00718
00719 default:
00720 AddTreeGrowth(tile, 1);
00721 break;
00722 }
00723
00724 MarkTileDirtyByTile(tile);
00725 }
00726
00727 void OnTick_Trees()
00728 {
00729
00730 if (_settings_game.construction.extra_tree_placement == ETP_NONE) return;
00731
00732 uint32 r;
00733 TileIndex tile;
00734 TreeType tree;
00735
00736
00737 if (_settings_game.game_creation.landscape == LT_TROPIC &&
00738 (r = Random(), tile = RandomTileSeed(r), GetTropicZone(tile) == TROPICZONE_RAINFOREST) &&
00739 CanPlantTreesOnTile(tile, false) &&
00740 (tree = GetRandomTreeType(tile, GB(r, 24, 8))) != TREE_INVALID) {
00741 PlantTreesOnTile(tile, tree, 0, 0);
00742 }
00743
00744
00745 if (--_trees_tick_ctr != 0 || _settings_game.construction.extra_tree_placement != ETP_ALL) return;
00746
00747
00748 r = Random();
00749 tile = RandomTileSeed(r);
00750 if (CanPlantTreesOnTile(tile, false) && (tree = GetRandomTreeType(tile, GB(r, 24, 8))) != TREE_INVALID) {
00751 PlantTreesOnTile(tile, tree, 0, 0);
00752 }
00753 }
00754
00755 static TrackStatus GetTileTrackStatus_Trees(TileIndex tile, TransportType mode, uint sub_mode, DiagDirection side)
00756 {
00757 return 0;
00758 }
00759
00760 static void ChangeTileOwner_Trees(TileIndex tile, Owner old_owner, Owner new_owner)
00761 {
00762
00763 }
00764
00765 void InitializeTrees()
00766 {
00767 _trees_tick_ctr = 0;
00768 }
00769
00770 static CommandCost TerraformTile_Trees(TileIndex tile, DoCommandFlag flags, uint z_new, Slope tileh_new)
00771 {
00772 return DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
00773 }
00774
00775
00776 extern const TileTypeProcs _tile_type_trees_procs = {
00777 DrawTile_Trees,
00778 GetSlopeZ_Trees,
00779 ClearTile_Trees,
00780 NULL,
00781 GetTileDesc_Trees,
00782 GetTileTrackStatus_Trees,
00783 NULL,
00784 NULL,
00785 TileLoop_Trees,
00786 ChangeTileOwner_Trees,
00787 NULL,
00788 NULL,
00789 GetFoundation_Trees,
00790 TerraformTile_Trees,
00791 };