/* virtual */ uint32 RailTypeScopeResolver::GetVariable(byte variable, uint32 parameter, bool *available) const
{
if (this->tile == INVALID_TILE) {
switch (variable) {
case 0x40: return 0;
case 0x41: return 0;
case 0x42: return 0;
case 0x43: return _date;
case 0x44: return HZB_TOWN_EDGE;
}
}
switch (variable) {
case 0x40: return GetTerrainType(this->tile, this->context);
case 0x41: return 0;
case 0x42: return IsLevelCrossingTile(this->tile) && IsCrossingBarred(this->tile);
case 0x43:
if (IsRailDepotTile(this->tile)) return Depot::GetByTile(this->tile)->build_date;
return _date;
case 0x44: {
const Town *t = NULL;
if (IsRailDepotTile(this->tile)) {
t = Depot::GetByTile(this->tile)->town;
} else if (IsLevelCrossingTile(this->tile)) {
t = ClosestTownFromTile(this->tile, UINT_MAX);
}
return t != NULL ? GetTownRadiusGroup(t, this->tile) : HZB_TOWN_EDGE;
}
}
DEBUG(grf, 1, "Unhandled rail type tile variable 0x%X", variable);
*available = false;
return UINT_MAX;
}
static void Ptrs_WAYP()
{
for (OldWaypoint *wp = _old_waypoints.Begin(); wp != _old_waypoints.End(); wp++) {
SlObject(wp, _old_waypoint_desc);
if (IsSavegameVersionBefore(12)) {
wp->town_cn = (wp->string_id & 0xC000) == 0xC000 ? (wp->string_id >> 8) & 0x3F : 0;
wp->town = ClosestTownFromTile(wp->xy, UINT_MAX);
} else if (IsSavegameVersionBefore(122)) {
/**
* Get the town scope associated with a station, if it exists.
* On the first call, the town scope is created (if possible).
* @return Town scope, if available.
*/
TownScopeResolver *StationResolverObject::GetTown()
{
if (this->town_scope == NULL) {
Town *t = NULL;
if (this->station_scope.st != NULL) {
t = this->station_scope.st->town;
} else if (this->station_scope.tile != INVALID_TILE) {
t = ClosestTownFromTile(this->station_scope.tile, UINT_MAX);
}
if (t == NULL) return NULL;
this->town_scope = new TownScopeResolver(*this, t, this->station_scope.st == NULL);
}
return this->town_scope;
}
static void GenerateCompanyName(Company *c)
{
TileIndex tile;
Town *t;
StringID str;
Company *cc;
uint32 strp;
/* Reserve space for extra unicode character. We need to do this to be able
* to detect too long company name. */
char buffer[MAX_LENGTH_COMPANY_NAME_BYTES + MAX_CHAR_LENGTH];
if (c->name_1 != STR_SV_UNNAMED) return;
tile = c->last_build_coordinate;
if (tile == 0) return;
t = ClosestTownFromTile(tile, UINT_MAX);
if (t->name == NULL && IsInsideMM(t->townnametype, SPECSTR_TOWNNAME_START, SPECSTR_TOWNNAME_LAST + 1)) {
str = t->townnametype - SPECSTR_TOWNNAME_START + SPECSTR_PLAYERNAME_START;
strp = t->townnameparts;
verify_name:;
/* No companies must have this name already */
FOR_ALL_COMPANIES(cc) {
if (cc->name_1 == str && cc->name_2 == strp) goto bad_town_name;
}
GetString(buffer, str, lastof(buffer));
if (strlen(buffer) >= MAX_LENGTH_COMPANY_NAME_BYTES) goto bad_town_name;
set_name:;
c->name_1 = str;
c->name_2 = strp;
MarkWholeScreenDirty();
if (c->is_ai) {
CompanyNewsInformation *cni = MallocT<CompanyNewsInformation>(1);
cni->FillData(c);
SetDParam(0, STR_NEWS_COMPANY_LAUNCH_TITLE);
SetDParam(1, STR_NEWS_COMPANY_LAUNCH_DESCRIPTION);
SetDParamStr(2, cni->company_name);
SetDParam(3, t->index);
AddNewsItem(STR_MESSAGE_NEWS_FORMAT, NS_COMPANY_NEW, NR_TILE, c->last_build_coordinate, NR_NONE, UINT32_MAX, cni);
}
AI::BroadcastNewEvent(new AIEventCompanyNew(c->index), c->index);
return;
}
static CommandCost ClearTile_Trees(TileIndex tile, DoCommandFlag flags)
{
uint num;
if (Company::IsValidID(_current_company)) {
Town *t = ClosestTownFromTile(tile, _settings_game.economy.dist_local_authority);
if (t != NULL) ChangeTownRating(t, RATING_TREE_DOWN_STEP, RATING_TREE_MINIMUM, flags);
}
num = GetTreeCount(tile);
if (IsInsideMM(GetTreeType(tile), TREE_RAINFOREST, TREE_CACTUS)) num *= 4;
if (flags & DC_EXEC) DoClearSquare(tile);
return CommandCost(EXPENSES_CONSTRUCTION, num * _price[PR_CLEAR_TREES]);
}
/**
* Set the default name for a waypoint
* @param wp Waypoint to work on
*/
static void MakeDefaultWaypointName(Waypoint *wp)
{
uint32 used = 0; // bitmap of used waypoint numbers, sliding window with 'next' as base
uint32 next = 0; // first waypoint number in the bitmap
StationID idx = 0; // index where we will stop
wp->town = ClosestTownFromTile(wp->xy, UINT_MAX);
/* Find first unused waypoint number belonging to this town. This can never fail,
* as long as there can be at most 65535 waypoints in total.
*
* This does 'n * m' search, but with 32bit 'used' bitmap, it needs at most 'n * (1 + ceil(m / 32))'
* steps (n - number of waypoints in pool, m - number of waypoints near this town).
* Usually, it needs only 'n' steps.
*
* If it wasn't using 'used' and 'idx', it would just search for increasing 'next',
* but this way it is faster */
StationID cid = 0; // current index, goes to Waypoint::GetPoolSize()-1, then wraps to 0
do {
Waypoint *lwp = Waypoint::GetIfValid(cid);
/* check only valid waypoints... */
if (lwp != NULL && wp != lwp) {
/* only waypoints with 'generic' name within the same city */
if (lwp->name == NULL && lwp->town == wp->town && lwp->string_id == wp->string_id) {
/* if lwp->town_cn < next, uint will overflow to '+inf' */
uint i = (uint)lwp->town_cn - next;
if (i < 32) {
SetBit(used, i); // update bitmap
if (i == 0) {
/* shift bitmap while the lowest bit is '1';
* increase the base of the bitmap too */
do {
used >>= 1;
next++;
} while (HasBit(used, 0));
/* when we are at 'idx' again at end of the loop and
* 'next' hasn't changed, then no waypoint had town_cn == next,
* so we can safely use it */
idx = cid;
}
}
}
}
/**
* Set the right DParams to get the name of an owner.
* @param owner the owner to get the name of.
* @param tile optional tile to get the right town.
* @pre if tile == 0, then owner can't be OWNER_TOWN.
*/
void GetNameOfOwner(Owner owner, TileIndex tile)
{
SetDParam(2, owner);
if (owner != OWNER_TOWN) {
if (!Company::IsValidID(owner)) {
SetDParam(0, STR_COMPANY_SOMEONE);
} else {
SetDParam(0, STR_COMPANY_NAME);
SetDParam(1, owner);
}
} else {
assert(tile != 0);
const Town *t = ClosestTownFromTile(tile, UINT_MAX);
SetDParam(0, STR_TOWN_NAME);
SetDParam(1, t->index);
}
}
/** Build a ship depot.
* @param tile tile where ship depot is built
* @param flags type of operation
* @param p1 bit 0 depot orientation (Axis)
* @param p2 unused
* @param text unused
* @return the cost of this operation or an error
*/
CommandCost CmdBuildShipDepot(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
{
TileIndex tile2;
CommandCost ret;
Axis axis = Extract<Axis, 0>(p1);
tile2 = tile + (axis == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1));
if (!IsWaterTile(tile) || !IsWaterTile(tile2)) {
return_cmd_error(STR_ERROR_MUST_BE_BUILT_ON_WATER);
}
if (IsBridgeAbove(tile) || IsBridgeAbove(tile2)) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
if (GetTileSlope(tile, NULL) != SLOPE_FLAT || GetTileSlope(tile2, NULL) != SLOPE_FLAT) {
/* Prevent depots on rapids */
return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
}
WaterClass wc1 = GetWaterClass(tile);
WaterClass wc2 = GetWaterClass(tile2);
ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
if (CmdFailed(ret)) return CMD_ERROR;
ret = DoCommand(tile2, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
if (CmdFailed(ret)) return CMD_ERROR;
if (!Depot::CanAllocateItem()) return CMD_ERROR;
if (flags & DC_EXEC) {
Depot *depot = new Depot(tile);
depot->town_index = ClosestTownFromTile(tile, UINT_MAX)->index;
MakeShipDepot(tile, _current_company, depot->index, DEPOT_NORTH, axis, wc1);
MakeShipDepot(tile2, _current_company, depot->index, DEPOT_SOUTH, axis, wc2);
MarkTileDirtyByTile(tile);
MarkTileDirtyByTile(tile2);
}
return CommandCost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_DEPOT_SHIP]);
}
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';
}
static uint32 StationGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available)
{
const BaseStation *st = object->u.station.st;
TileIndex tile = object->u.station.tile;
if (object->scope == VSG_SCOPE_PARENT) {
/* Pass the request on to the town of the station */
const Town *t;
if (st != NULL) {
t = st->town;
} else if (tile != INVALID_TILE) {
t = ClosestTownFromTile(tile, UINT_MAX);
} else {
*available = false;
return UINT_MAX;
}
return TownGetVariable(variable, parameter, available, t);
}
if (st == NULL) {
/* Station does not exist, so we're in a purchase list */
switch (variable) {
case 0x40:
case 0x41:
case 0x46:
case 0x47:
case 0x49: return 0x2110000; // Platforms, tracks & position
case 0x42: return 0; // Rail type (XXX Get current type from GUI?)
case 0x43: return _current_company; // Station owner
case 0x44: return 2; // PBS status
case 0xFA: return Clamp(_date - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 65535); // Build date, clamped to a 16 bit value
}
*available = false;
return UINT_MAX;
}
switch (variable) {
/* Calculated station variables */
case 0x40:
if (!HasBit(_svc.valid, 0)) { _svc.v40 = GetPlatformInfoHelper(tile, false, false, false); SetBit(_svc.valid, 0); }
return _svc.v40;
case 0x41:
if (!HasBit(_svc.valid, 1)) { _svc.v41 = GetPlatformInfoHelper(tile, true, false, false); SetBit(_svc.valid, 1); }
return _svc.v41;
case 0x42: return GetTerrainType(tile) | (GetReverseRailTypeTranslation(GetRailType(tile), object->u.station.statspec->grf_prop.grffile) << 8);
case 0x43: return st->owner; // Station owner
case 0x44: return HasStationReservation(tile) ? 7 : 4; // PBS status
case 0x45:
if (!HasBit(_svc.valid, 2)) { _svc.v45 = GetRailContinuationInfo(tile); SetBit(_svc.valid, 2); }
return _svc.v45;
case 0x46:
if (!HasBit(_svc.valid, 3)) { _svc.v46 = GetPlatformInfoHelper(tile, false, false, true); SetBit(_svc.valid, 3); }
return _svc.v46;
case 0x47:
if (!HasBit(_svc.valid, 4)) { _svc.v47 = GetPlatformInfoHelper(tile, true, false, true); SetBit(_svc.valid, 4); }
return _svc.v47;
case 0x49:
if (!HasBit(_svc.valid, 5)) { _svc.v49 = GetPlatformInfoHelper(tile, false, true, false); SetBit(_svc.valid, 5); }
return _svc.v49;
case 0x4A: // Animation frame of tile
return GetAnimationFrame(tile);
/* Variables which use the parameter */
/* Variables 0x60 to 0x65 are handled separately below */
case 0x66: // Animation frame of nearby tile
if (parameter != 0) tile = GetNearbyTile(parameter, tile);
return st->TileBelongsToRailStation(tile) ? GetAnimationFrame(tile) : UINT_MAX;
case 0x67: { // Land info of nearby tile
Axis axis = GetRailStationAxis(tile);
if (parameter != 0) tile = GetNearbyTile(parameter, tile); // only perform if it is required
Slope tileh = GetTileSlope(tile, NULL);
bool swap = (axis == AXIS_Y && HasBit(tileh, CORNER_W) != HasBit(tileh, CORNER_E));
return GetNearbyTileInformation(tile) ^ (swap ? SLOPE_EW : 0);
}
case 0x68: { // Station info of nearby tiles
TileIndex nearby_tile = GetNearbyTile(parameter, tile);
if (!HasStationTileRail(nearby_tile)) return 0xFFFFFFFF;
uint32 grfid = st->speclist[GetCustomStationSpecIndex(tile)].grfid;
bool perpendicular = GetRailStationAxis(tile) != GetRailStationAxis(nearby_tile);
bool same_station = st->TileBelongsToRailStation(nearby_tile);
uint32 res = GB(GetStationGfx(nearby_tile), 1, 2) << 12 | !!perpendicular << 11 | !!same_station << 10;
if (IsCustomStationSpecIndex(nearby_tile)) {
const StationSpecList ssl = BaseStation::GetByTile(nearby_tile)->speclist[GetCustomStationSpecIndex(nearby_tile)];
res |= 1 << (ssl.grfid != grfid ? 9 : 8) | ssl.localidx;
}
return res;
}
/* General station variables */
case 0x82: return 50;
case 0x84: return st->string_id;
case 0x86: return 0;
case 0xF0: return st->facilities;
case 0xFA: return Clamp(st->build_date - DAYS_TILL_ORIGINAL_BASE_YEAR, 0, 65535);
}
return st->GetNewGRFVariable(object, variable, parameter, available);
}
/**
* Plant a tree.
* @param tile start tile of area-drag of tree plantation
* @param flags type of operation
* @param p1 tree type, TREE_INVALID means random.
* @param p2 end tile of area-drag
* @param text unused
* @return the cost of this operation or an error
*/
CommandCost CmdPlantTree(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
{
StringID msg = INVALID_STRING_ID;
CommandCost cost(EXPENSES_OTHER);
const byte tree_to_plant = GB(p1, 0, 8); // We cannot use Extract as min and max are climate specific.
if (p2 >= MapSize()) return CMD_ERROR;
/* Check the tree type within the current climate */
if (tree_to_plant != TREE_INVALID && !IsInsideBS(tree_to_plant, _tree_base_by_landscape[_settings_game.game_creation.landscape], _tree_count_by_landscape[_settings_game.game_creation.landscape])) return CMD_ERROR;
TileArea ta(tile, p2);
TILE_AREA_LOOP(tile, ta) {
switch (GetTileType(tile)) {
case MP_TREES:
/* no more space for trees? */
if (_game_mode != GM_EDITOR && GetTreeCount(tile) == 4) {
msg = STR_ERROR_TREE_ALREADY_HERE;
continue;
}
if (flags & DC_EXEC) {
AddTreeCount(tile, 1);
MarkTileDirtyByTile(tile);
}
/* 2x as expensive to add more trees to an existing tile */
cost.AddCost(_price[PR_BUILD_TREES] * 2);
break;
case MP_WATER:
if (!IsCoast(tile) || IsSlopeWithOneCornerRaised(GetTileSlope(tile, NULL))) {
msg = STR_ERROR_CAN_T_BUILD_ON_WATER;
continue;
}
/* FALL THROUGH */
case MP_CLEAR: {
if (IsBridgeAbove(tile)) {
msg = STR_ERROR_SITE_UNSUITABLE;
continue;
}
TreeType treetype = (TreeType)tree_to_plant;
/* Be a bit picky about which trees go where. */
if (_settings_game.game_creation.landscape == LT_TROPIC && treetype != TREE_INVALID && (
/* No cacti outside the desert */
(treetype == TREE_CACTUS && GetTropicZone(tile) != TROPICZONE_DESERT) ||
/* No rain forest trees outside the rain forest, except in the editor mode where it makes those tiles rain forest tile */
(IsInsideMM(treetype, TREE_RAINFOREST, TREE_CACTUS) && GetTropicZone(tile) != TROPICZONE_RAINFOREST && _game_mode != GM_EDITOR) ||
/* And no subtropical trees in the desert/rain forest */
(IsInsideMM(treetype, TREE_SUB_TROPICAL, TREE_TOYLAND) && GetTropicZone(tile) != TROPICZONE_NORMAL))) {
msg = STR_ERROR_TREE_WRONG_TERRAIN_FOR_TREE_TYPE;
continue;
}
if (IsTileType(tile, MP_CLEAR)) {
/* Remove fields or rocks. Note that the ground will get barrened */
switch (GetRawClearGround(tile)) {
case CLEAR_FIELDS:
case CLEAR_ROCKS: {
CommandCost ret = DoCommand(tile, 0, 0, flags, CMD_LANDSCAPE_CLEAR);
if (ret.Failed()) return ret;
cost.AddCost(ret);
break;
}
default: break;
}
}
if (_game_mode != GM_EDITOR && Company::IsValidID(_current_company)) {
Town *t = ClosestTownFromTile(tile, _settings_game.economy.dist_local_authority);
if (t != NULL) ChangeTownRating(t, RATING_TREE_UP_STEP, RATING_TREE_MAXIMUM, flags);
}
if (flags & DC_EXEC) {
if (treetype == TREE_INVALID) {
treetype = GetRandomTreeType(tile, GB(Random(), 24, 8));
if (treetype == TREE_INVALID) treetype = TREE_CACTUS;
}
/* Plant full grown trees in scenario editor */
PlantTreesOnTile(tile, treetype, 0, _game_mode == GM_EDITOR ? 3 : 0);
MarkTileDirtyByTile(tile);
/* When planting rainforest-trees, set tropiczone to rainforest in editor. */
if (_game_mode == GM_EDITOR && IsInsideMM(treetype, TREE_RAINFOREST, TREE_CACTUS)) {
SetTropicZone(tile, TROPICZONE_RAINFOREST);
}
}
cost.AddCost(_price[PR_BUILD_TREES]);
break;
}
default:
msg = STR_ERROR_SITE_UNSUITABLE;
break;
}
}
if (cost.GetCost() == 0) {
return_cmd_error(msg);
} else {
return cost;
}
}
