AE2 First Commit, the dawn of 1.7 hast arrived.

2013-12-27 16:59:59 -06:00
commit e9acdcbee2
468 changed files with 47440 additions and 0 deletions
@@ -0,0 +1,132 @@
+package appeng.me.pathfinding;
+
+import java.util.EnumSet;
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Set;
+
+import appeng.api.networking.GridFlags;
+import appeng.api.networking.IGridMultiblock;
+import appeng.api.networking.IGridNode;
+
+public class PathSegment
+{
+
+	public boolean isDead;
+
+	static class RouteComplete extends Exception
+	{
+
+		private static final long serialVersionUID = 810456465120286110L;
+
+	};
+
+	public PathSegment(List open, Set semiopen, Set closed) {
+		this.open = open;
+		this.semiopen = semiopen;
+		this.closed = closed;
+		isDead = false;
+	}
+
+	List<IPathItem> open;
+	Set<IPathItem> semiopen;
+	Set<IPathItem> closed;
+
+	public boolean step()
+	{
+		List<IPathItem> oldOpen = open;
+		open = new LinkedList();
+
+		for (IPathItem i : oldOpen)
+		{
+			for (IPathItem pi : i.getPossibleOptions())
+			{
+				EnumSet<GridFlags> flags = pi.getFlags();
+
+				if ( !closed.contains( pi ) )
+				{
+					pi.setControllerRoute( i, true );
+
+					if ( flags.contains( GridFlags.REQURE_CHANNEL ) )
+					{
+						// close the semi open.
+						if ( !semiopen.contains( pi ) )
+						{
+							boolean worked = false;
+
+							if ( flags.contains( GridFlags.DENSE_CHANNEL ) )
+								worked = useDenseChannel( pi );
+							else
+								worked = useChannel( pi );
+
+							if ( worked && flags.contains( GridFlags.MULTIBLOCK ) )
+							{
+								Iterator<IGridNode> oni = ((IGridMultiblock) ((IGridNode) pi).getGridBlock()).getMultiblockNodes();
+								while (oni.hasNext())
+								{
+									IGridNode otherNodes = oni.next();
+									if ( otherNodes != pi )
+										semiopen.add( (IPathItem) otherNodes );
+								}
+							}
+						}
+						else
+						{
+							pi.incrementChannelCount( 1 ); // give a channel.
+							semiopen.remove( pi );
+						}
+					}
+
+					closed.add( pi );
+					open.add( pi );
+				}
+			}
+		}
+
+		return open.isEmpty();
+	}
+
+	private boolean useChannel(IPathItem start)
+	{
+		IPathItem pi = start;
+		while (pi != null)
+		{
+			if ( !pi.canSupportMoreChannels() )
+				return false;
+
+			pi = pi.getControllerRoute();
+		}
+
+		pi = start;
+		while (pi != null)
+		{
+			pi.incrementChannelCount( 1 );
+			pi = pi.getControllerRoute();
+		}
+
+		return true;
+	}
+
+	private boolean useDenseChannel(IPathItem start)
+	{
+		IPathItem pi = start;
+		while (pi != null)
+		{
+			if ( !pi.canSupportMoreChannels() || pi.getFlags().contains( GridFlags.CANNOT_CARRY_DENSE ) )
+				return false;
+
+			pi = pi.getControllerRoute();
+		}
+
+		pi = start;
+		while (pi != null)
+		{
+			pi.incrementChannelCount( 1 );
+			pi = pi.getControllerRoute();
+		}
+
+		return true;
+	}
+
+}