/* 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 uint32 RailTypeGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available)
{
TileIndex tile = object->u.routes.tile;
if (tile == INVALID_TILE) {
switch (variable) {
case 0x40: return 0;
case 0x41: return 0;
case 0x42: return 0;
case 0x43: return _date;
}
}
switch (variable) {
case 0x40: return GetTerrainType(tile, object->u.routes.context);
case 0x41: return 0;
case 0x42: return IsLevelCrossingTile(tile) && IsCrossingBarred(tile);
case 0x43:
if (IsRailDepotTile(tile)) return Depot::GetByTile(tile)->build_date;
return _date;
}
DEBUG(grf, 1, "Unhandled rail type tile variable 0x%X", variable);
*available = false;
return UINT_MAX;
}
/* static */ uint ScriptRail::GetRailTracks(TileIndex tile)
{
if (!IsRailTile(tile)) return RAILTRACK_INVALID;
if (IsRailStationTile(tile) || IsRailWaypointTile(tile)) return ::TrackToTrackBits(::GetRailStationTrack(tile));
if (IsLevelCrossingTile(tile)) return ::GetCrossingRailBits(tile);
if (IsRailDepotTile(tile)) return ::TRACK_BIT_NONE;
return ::GetTrackBits(tile);
}
