static void TileLoopTreesAlps(TileIndex tile) { int k = GetTileZ(tile) - GetSnowLine() + TILE_HEIGHT; if (k < 0) { switch (GetTreeGround(tile)) { case TREE_GROUND_SNOW_DESERT: SetTreeGroundDensity(tile, TREE_GROUND_GRASS, 3); break; case TREE_GROUND_ROUGH_SNOW: SetTreeGroundDensity(tile, TREE_GROUND_ROUGH, 3); break; default: return; } } else { uint density = min((uint)k / TILE_HEIGHT, 3); if (GetTreeGround(tile) != TREE_GROUND_SNOW_DESERT && GetTreeGround(tile) != TREE_GROUND_ROUGH_SNOW) { TreeGround tg = GetTreeGround(tile) == TREE_GROUND_ROUGH ? TREE_GROUND_ROUGH_SNOW : TREE_GROUND_SNOW_DESERT; SetTreeGroundDensity(tile, tg, density); } else if (GetTreeDensity(tile) != density) { SetTreeGroundDensity(tile, GetTreeGround(tile), density); } else { if (GetTreeDensity(tile) == 3) { uint32 r = Random(); if (Chance16I(1, 200, r)) { SndPlayTileFx((r & 0x80000000) ? SND_39_HEAVY_WIND : SND_34_WIND, tile); } } return; } } MarkTileDirtyByTile(tile); }
static uint32 CanalGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available) { TileIndex tile = object->u.canal.tile; switch (variable) { /* Height of tile */ case 0x80: { uint z = GetTileZ(tile) / TILE_HEIGHT; /* Return consistent height within locks */ if (IsTileType(tile, MP_WATER) && IsLock(tile) && GetSection(tile) >= 8) z--; return z; } /* Terrain type */ case 0x81: return GetTerrainType(tile); /* Random data for river or canal tiles, otherwise zero */ case 0x83: return IsTileType(tile, MP_WATER) ? GetWaterTileRandomBits(tile) : 0; } DEBUG(grf, 1, "Unhandled canal variable 0x%02X", variable); *available = false; return UINT_MAX; }
/** Convert to or from snowy tiles. */ static void TileLoopClearAlps(TileIndex tile) { int k = GetTileZ(tile) - GetSnowLine() + 1; if (k < 0) { /* Below the snow line, do nothing if no snow. */ if (!IsSnowTile(tile)) return; } else { /* At or above the snow line, make snow tile if needed. */ if (!IsSnowTile(tile)) { MakeSnow(tile); MarkTileDirtyByTile(tile); return; } } /* Update snow density. */ uint current_density = GetClearDensity(tile); uint req_density = (k < 0) ? 0u : min((uint)k, 3); if (current_density < req_density) { AddClearDensity(tile, 1); } else if (current_density > req_density) { AddClearDensity(tile, -1); } else { /* Density at the required level. */ if (k >= 0) return; ClearSnow(tile); } MarkTileDirtyByTile(tile); }
/** * Is there a Chunnel in the way in the given direction? * Only between height level 0 and 1. * Used to avoid building bridge or tunnel between existing chunnel. * @param tile the tile to search from. * @param dir the direction to start searching to. * @return true if and only if there is a chunnel. */ bool IsBetweenChunnelPortals(TileIndex tile, DiagDirection dir) { uint h = 0; TileIndexDiff delta = TileOffsByDiagDir(dir); if (GetTileZ(tile) > 0) return false; do { if (dir == DIAGDIR_NE || dir == DIAGDIR_NW) { do { tile += delta; if (!IsValidTile(tile)) return false; } while (TileHeight(tile) != h); } else { tile += delta; do { tile += delta; if (!IsValidTile(tile)) return false; } while (TileHeight(tile) != h); tile -= delta; } (h == 0) ? h = 1 : h = 0; } while (!IsTunnelTile(tile)); if (GetTunnelBridgeDirection(tile) != ReverseDiagDir(dir)) return false; return true; }
/** * Is there a tunnel in the way in the given direction? * Between level 0 and 1 terraforming is allowed. (No search) * @param tile the tile to search from. * @param z the 'z' to search on. * @param dir the direction to start searching to. * @return true if and only if there is a tunnel. */ bool IsTunnelInWayDir(TileIndex tile, int z, DiagDirection dir) { /* Between level 0 and 1 terraforming is allowed. */ if (GetTileZ(tile) <= 1) return false; TileIndexDiff delta = TileOffsByDiagDir(dir); int height; do { tile -= delta; if (!IsValidTile(tile)) return false; height = GetTileZ(tile); } while (z < height); return z == height && IsTunnelTile(tile) && GetTunnelBridgeDirection(tile) == dir; }
/** * Place some trees randomly * * This function just place some trees randomly on the map. */ void PlaceTreesRandomly() { uint i, j, ht; i = ScaleByMapSize(DEFAULT_TREE_STEPS); if (_game_mode == GM_EDITOR) i /= EDITOR_TREE_DIV; do { uint32 r = Random(); TileIndex tile = RandomTileSeed(r); IncreaseGeneratingWorldProgress(GWP_TREE); if (CanPlantTreesOnTile(tile, true)) { PlaceTree(tile, r); if (_settings_game.game_creation.tree_placer != TP_IMPROVED) continue; /* Place a number of trees based on the tile height. * This gives a cool effect of multiple trees close together. * It is almost real life ;) */ ht = GetTileZ(tile); /* The higher we get, the more trees we plant */ j = GetTileZ(tile) / TILE_HEIGHT * 2; /* Above snowline more trees! */ if (_settings_game.game_creation.landscape == LT_ARCTIC && ht > GetSnowLine()) j *= 3; while (j--) { PlaceTreeAtSameHeight(tile, ht); } } } while (--i); /* place extra trees at rainforest area */ if (_settings_game.game_creation.landscape == LT_TROPIC) { i = ScaleByMapSize(DEFAULT_RAINFOREST_TREE_STEPS); if (_game_mode == GM_EDITOR) i /= EDITOR_TREE_DIV; do { uint32 r = Random(); TileIndex tile = RandomTileSeed(r); IncreaseGeneratingWorldProgress(GWP_TREE); if (GetTropicZone(tile) == TROPICZONE_RAINFOREST && CanPlantTreesOnTile(tile, false)) { PlaceTree(tile, r); } } while (--i); } }
/* virtual */ uint32 CanalScopeResolver::GetVariable(byte variable, uint32 parameter, bool *available) const { switch (variable) { /* Height of tile */ case 0x80: { int z = GetTileZ(this->tile); /* Return consistent height within locks */ if (IsTileType(this->tile, MP_WATER) && IsLock(this->tile) && GetLockPart(this->tile) == LOCK_PART_UPPER) z--; return z; } /* Terrain type */ case 0x81: return GetTerrainType(this->tile); /* Dike map: Connectivity info for river and canal tiles * * Assignment of bits to directions defined in agreement with * http://projects.tt-forums.net/projects/ttdpatch/repository/revisions/2367/entry/trunk/patches/water.asm#L879 * 7 * 3 0 * 6 * 4 * 2 1 * 5 */ case 0x82: { uint32 connectivity = (!IsWateredTile(TILE_ADDXY(tile, -1, 0), DIR_SW) << 0) // NE + (!IsWateredTile(TILE_ADDXY(tile, 0, 1), DIR_NW) << 1) // SE + (!IsWateredTile(TILE_ADDXY(tile, 1, 0), DIR_NE) << 2) // SW + (!IsWateredTile(TILE_ADDXY(tile, 0, -1), DIR_SE) << 3) // NW + (!IsWateredTile(TILE_ADDXY(tile, -1, 1), DIR_W) << 4) // E + (!IsWateredTile(TILE_ADDXY(tile, 1, 1), DIR_N) << 5) // S + (!IsWateredTile(TILE_ADDXY(tile, 1, -1), DIR_E) << 6) // W + (!IsWateredTile(TILE_ADDXY(tile, -1, -1), DIR_S) << 7); // N return connectivity; } /* Random data for river or canal tiles, otherwise zero */ case 0x83: return IsTileType(this->tile, MP_WATER) ? GetWaterTileRandomBits(this->tile) : 0; } DEBUG(grf, 1, "Unhandled canal variable 0x%02X", variable); *available = false; return UINT_MAX; }
static uint32 CanalGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available) { TileIndex tile = object->u.canal.tile; switch (variable) { /* Height of tile */ case 0x80: return GetTileZ(tile) / TILE_HEIGHT; /* Terrain type */ case 0x81: return GetTerrainType(tile); /* Random data for river or canal tiles, otherwise zero */ case 0x83: return GetWaterTileRandomBits(tile); } DEBUG(grf, 1, "Unhandled canal property 0x%02X", variable); *available = false; return UINT_MAX; }
/* virtual */ uint32 CanalScopeResolver::GetVariable(byte variable, uint32 parameter, bool *available) const { switch (variable) { /* Height of tile */ case 0x80: { int z = GetTileZ(this->tile); /* Return consistent height within locks */ if (IsTileType(this->tile, MP_WATER) && IsLock(this->tile) && GetLockPart(this->tile) == LOCK_PART_UPPER) z--; return z; } /* Terrain type */ case 0x81: return GetTerrainType(this->tile); /* Random data for river or canal tiles, otherwise zero */ case 0x83: return IsTileType(this->tile, MP_WATER) ? GetWaterTileRandomBits(this->tile) : 0; } DEBUG(grf, 1, "Unhandled canal variable 0x%02X", variable); *available = false; return UINT_MAX; }
/** * Place a tree at the same height as an existing tree. * * Add a new tree around the given tile which is at the same * height or at some offset (2 units) of it. * * @param tile The base tile to add a new tree somewhere around * @param height The height (like the one from the tile) */ static void PlaceTreeAtSameHeight(TileIndex tile, uint height) { for (uint i = 0; i < DEFAULT_TREE_STEPS; i++) { uint32 r = Random(); int x = GB(r, 0, 5) - 16; int y = GB(r, 8, 5) - 16; TileIndex cur_tile = TileAddWrap(tile, x, y); if (cur_tile == INVALID_TILE) continue; /* Keep in range of the existing tree */ if (abs(x) + abs(y) > 16) continue; /* Clear tile, no farm-tiles or rocks */ if (!CanPlantTreesOnTile(cur_tile, true)) continue; /* Not too much height difference */ if (Delta(GetTileZ(cur_tile), height) > 2) continue; /* Place one tree and quit */ PlaceTree(cur_tile, r); break; } }
virtual void OnInit() { Town *t = ClosestTownFromTile(tile, _settings_game.economy.dist_local_authority); /* Because build_date is not set yet in every TileDesc, we make sure it is empty */ TileDesc td; td.build_date = INVALID_DATE; /* Most tiles have only one owner, but * - drivethrough roadstops can be build on town owned roads (up to 2 owners) and * - roads can have up to four owners (railroad, road, tram, 3rd-roadtype "highway"). */ td.owner_type[0] = STR_LAND_AREA_INFORMATION_OWNER; // At least one owner is displayed, though it might be "N/A". td.owner_type[1] = STR_NULL; // STR_NULL results in skipping the owner td.owner_type[2] = STR_NULL; td.owner_type[3] = STR_NULL; td.owner[0] = OWNER_NONE; td.owner[1] = OWNER_NONE; td.owner[2] = OWNER_NONE; td.owner[3] = OWNER_NONE; td.station_class = STR_NULL; td.station_name = STR_NULL; td.airport_class = STR_NULL; td.airport_name = STR_NULL; td.airport_tile_name = STR_NULL; td.rail_speed = 0; td.grf = NULL; CargoArray acceptance; AddAcceptedCargo(tile, acceptance, NULL); GetTileDesc(tile, &td); uint line_nr = 0; /* Tiletype */ SetDParam(0, td.dparam[0]); GetString(this->landinfo_data[line_nr], td.str, lastof(this->landinfo_data[line_nr])); line_nr++; /* Up to four owners */ for (uint i = 0; i < 4; i++) { if (td.owner_type[i] == STR_NULL) continue; SetDParam(0, STR_LAND_AREA_INFORMATION_OWNER_N_A); if (td.owner[i] != OWNER_NONE && td.owner[i] != OWNER_WATER) GetNameOfOwner(td.owner[i], tile); GetString(this->landinfo_data[line_nr], td.owner_type[i], lastof(this->landinfo_data[line_nr])); line_nr++; } /* Cost to clear/revenue when cleared */ StringID str = STR_LAND_AREA_INFORMATION_COST_TO_CLEAR_N_A; Company *c = Company::GetIfValid(_local_company); if (c != NULL) { Money old_money = c->money; c->money = INT64_MAX; assert(_current_company == _local_company); CommandCost costclear = DoCommand(tile, 0, 0, DC_NONE, CMD_LANDSCAPE_CLEAR); c->money = old_money; if (costclear.Succeeded()) { Money cost = costclear.GetCost(); if (cost < 0) { cost = -cost; // Negate negative cost to a positive revenue str = STR_LAND_AREA_INFORMATION_REVENUE_WHEN_CLEARED; } else { str = STR_LAND_AREA_INFORMATION_COST_TO_CLEAR; } SetDParam(0, cost); } } GetString(this->landinfo_data[line_nr], str, lastof(this->landinfo_data[line_nr])); line_nr++; /* Location */ char tmp[16]; snprintf(tmp, lengthof(tmp), "0x%.4X", tile); SetDParam(0, TileX(tile)); SetDParam(1, TileY(tile)); SetDParam(2, GetTileZ(tile)); SetDParamStr(3, tmp); GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_LANDINFO_COORDS, lastof(this->landinfo_data[line_nr])); line_nr++; /* Local authority */ SetDParam(0, STR_LAND_AREA_INFORMATION_LOCAL_AUTHORITY_NONE); if (t != NULL) { SetDParam(0, STR_TOWN_NAME); SetDParam(1, t->index); } GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_LOCAL_AUTHORITY, lastof(this->landinfo_data[line_nr])); line_nr++; /* Build date */ if (td.build_date != INVALID_DATE) { SetDParam(0, td.build_date); GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_BUILD_DATE, lastof(this->landinfo_data[line_nr])); line_nr++; } /* Station class */ if (td.station_class != STR_NULL) { SetDParam(0, td.station_class); GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_STATION_CLASS, lastof(this->landinfo_data[line_nr])); line_nr++; } /* Station type name */ if (td.station_name != STR_NULL) { SetDParam(0, td.station_name); GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_STATION_TYPE, lastof(this->landinfo_data[line_nr])); line_nr++; } /* Airport class */ if (td.airport_class != STR_NULL) { SetDParam(0, td.airport_class); GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_AIRPORT_CLASS, lastof(this->landinfo_data[line_nr])); line_nr++; } /* Airport name */ if (td.airport_name != STR_NULL) { SetDParam(0, td.airport_name); GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_AIRPORT_NAME, lastof(this->landinfo_data[line_nr])); line_nr++; } /* Airport tile name */ if (td.airport_tile_name != STR_NULL) { SetDParam(0, td.airport_tile_name); GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_AIRPORTTILE_NAME, lastof(this->landinfo_data[line_nr])); line_nr++; } /* Rail speed limit */ if (td.rail_speed != 0) { SetDParam(0, td.rail_speed); GetString(this->landinfo_data[line_nr], STR_LANG_AREA_INFORMATION_RAIL_SPEED_LIMIT, lastof(this->landinfo_data[line_nr])); line_nr++; } /* NewGRF name */ if (td.grf != NULL) { SetDParamStr(0, td.grf); GetString(this->landinfo_data[line_nr], STR_LAND_AREA_INFORMATION_NEWGRF_NAME, lastof(this->landinfo_data[line_nr])); line_nr++; } assert(line_nr < LAND_INFO_CENTERED_LINES); /* Mark last line empty */ this->landinfo_data[line_nr][0] = '\0'; /* Cargo acceptance is displayed in a extra multiline */ char *strp = GetString(this->landinfo_data[LAND_INFO_MULTICENTER_LINE], STR_LAND_AREA_INFORMATION_CARGO_ACCEPTED, lastof(this->landinfo_data[LAND_INFO_MULTICENTER_LINE])); bool found = false; for (CargoID i = 0; i < NUM_CARGO; ++i) { if (acceptance[i] > 0) { /* Add a comma between each item. */ if (found) { *strp++ = ','; *strp++ = ' '; } found = true; /* If the accepted value is less than 8, show it in 1/8:ths */ if (acceptance[i] < 8) { SetDParam(0, acceptance[i]); SetDParam(1, CargoSpec::Get(i)->name); strp = GetString(strp, STR_LAND_AREA_INFORMATION_CARGO_EIGHTS, lastof(this->landinfo_data[LAND_INFO_MULTICENTER_LINE])); } else { strp = GetString(strp, CargoSpec::Get(i)->name, lastof(this->landinfo_data[LAND_INFO_MULTICENTER_LINE])); } } } if (!found) this->landinfo_data[LAND_INFO_MULTICENTER_LINE][0] = '\0'; }