/// <summary>
/// Determines whether or not the target rail can connect to this rail
/// </summary>
private bool CanConnectFrom(int par1, int par2, int par3)
{
RailLogic raillogic = GetMinecartTrackLogic(new ChunkPosition(par1, par2, par3));
if (raillogic == null)
{
return(false);
}
else
{
raillogic.RefreshConnectedTracks();
return(raillogic.CanConnectTo(this));
}
}
/// <summary>
/// Completely recalculates the track shape based on neighboring tracks and power state
/// </summary>
public virtual void RefreshTrackShape(bool par1, bool par2)
{
bool flag = CanConnectFrom(TrackX, TrackY, TrackZ - 1);
bool flag1 = CanConnectFrom(TrackX, TrackY, TrackZ + 1);
bool flag2 = CanConnectFrom(TrackX - 1, TrackY, TrackZ);
bool flag3 = CanConnectFrom(TrackX + 1, TrackY, TrackZ);
sbyte byte0 = -1;
if ((flag || flag1) && !flag2 && !flag3)
{
byte0 = 0;
}
if ((flag2 || flag3) && !flag && !flag1)
{
byte0 = 1;
}
if (!IsPoweredRail)
{
if (flag1 && flag3 && !flag && !flag2)
{
byte0 = 6;
}
if (flag1 && flag2 && !flag && !flag3)
{
byte0 = 7;
}
if (flag && flag2 && !flag1 && !flag3)
{
byte0 = 8;
}
if (flag && flag3 && !flag1 && !flag2)
{
byte0 = 9;
}
}
if (byte0 == -1)
{
if (flag || flag1)
{
byte0 = 0;
}
if (flag2 || flag3)
{
byte0 = 1;
}
if (!IsPoweredRail)
{
if (par1)
{
if (flag1 && flag3)
{
byte0 = 6;
}
if (flag2 && flag1)
{
byte0 = 7;
}
if (flag3 && flag)
{
byte0 = 9;
}
if (flag && flag2)
{
byte0 = 8;
}
}
else
{
if (flag && flag2)
{
byte0 = 8;
}
if (flag3 && flag)
{
byte0 = 9;
}
if (flag2 && flag1)
{
byte0 = 7;
}
if (flag1 && flag3)
{
byte0 = 6;
}
}
}
}
if (byte0 == 0)
{
if (BlockRail.IsRailBlockAt(WorldObj, TrackX, TrackY + 1, TrackZ - 1))
{
byte0 = 4;
}
if (BlockRail.IsRailBlockAt(WorldObj, TrackX, TrackY + 1, TrackZ + 1))
{
byte0 = 5;
}
}
if (byte0 == 1)
{
if (BlockRail.IsRailBlockAt(WorldObj, TrackX + 1, TrackY + 1, TrackZ))
{
byte0 = 2;
}
if (BlockRail.IsRailBlockAt(WorldObj, TrackX - 1, TrackY + 1, TrackZ))
{
byte0 = 3;
}
}
if (byte0 < 0)
{
byte0 = 0;
}
SetConnections(byte0);
int i = byte0;
if (IsPoweredRail)
{
i = WorldObj.GetBlockMetadata(TrackX, TrackY, TrackZ) & 8 | byte0;
}
if (par2 || WorldObj.GetBlockMetadata(TrackX, TrackY, TrackZ) != i)
{
WorldObj.SetBlockMetadataWithNotify(TrackX, TrackY, TrackZ, i);
for (int j = 0; j < ConnectedTracks.Count; j++)
{
RailLogic raillogic = GetMinecartTrackLogic((ChunkPosition)ConnectedTracks[j]);
if (raillogic == null)
{
continue;
}
raillogic.RefreshConnectedTracks();
if (raillogic.CanConnectTo(this))
{
raillogic.ConnectToNeighbor(this);
}
}
}
}