Fixed #180 - Multimeter glitchy rendering

src/main/java/resonantinduction/electrical/multimeter/MultimeterNetwork.java

@@ -1,6 +1,7 @@
 package resonantinduction.electrical.multimeter;
 
 import java.util.ArrayList;
+import java.util.Iterator;
 import java.util.List;
 
 import universalelectricity.api.net.IUpdate;
@@ -33,6 +34,11 @@ public class MultimeterNetwork extends Network<MultimeterNetwork, PartMultimeter
 	private long queueGraphCapacity = 0;
 	private boolean doUpdate = false;
 
+	/**
+	 * If the screen is not a perfect rectangle, don't render.
+	 */
+	public boolean isEnabled = true;
+
 	@Override
 	public void addConnector(PartMultimeter connector)
 	{
@@ -40,19 +46,6 @@ public class MultimeterNetwork extends Network<MultimeterNetwork, PartMultimeter
 		NetworkTickHandler.addNetwork(this);
 	}
 
-	@Override
-	public void reconstruct()
-	{
-		upperBound = null;
-		lowerBound = null;
-		super.reconstruct();
-		center = upperBound.midPoint(lowerBound);
-		upperBound.subtract(center);
-		lowerBound.subtract(center);
-		size = new Vector3(Math.abs(upperBound.x) + Math.abs(lowerBound.x), Math.abs(upperBound.y) + Math.abs(lowerBound.y), Math.abs(upperBound.z) + Math.abs(lowerBound.z));
-		NetworkTickHandler.addNetwork(this);
-	}
-
 	@Override
 	public void update()
 	{
@@ -88,6 +81,37 @@ public class MultimeterNetwork extends Network<MultimeterNetwork, PartMultimeter
 		return node.world() != null && node.tile() != null;
 	}
 
+	@Override
+	public void reconstruct()
+	{
+		upperBound = null;
+		lowerBound = null;
+		super.reconstruct();
+		center = upperBound.midPoint(lowerBound);
+
+		/**
+		 * Make bounds relative.
+		 */
+		upperBound.subtract(center);
+		lowerBound.subtract(center);
+		size = new Vector3(Math.abs(upperBound.x) + Math.abs(lowerBound.x), Math.abs(upperBound.y) + Math.abs(lowerBound.y), Math.abs(upperBound.z) + Math.abs(lowerBound.z));
+
+		double area = (size.x != 0 ? size.x : 1) * (size.y != 0 ? size.y : 1) * (size.z != 0 ? size.z : 1);
+		isEnabled = area == getConnectors().size();
+
+		NetworkTickHandler.addNetwork(this);
+
+		Iterator<PartMultimeter> it = this.getConnectors().iterator();
+
+		while (it.hasNext())
+		{
+			PartMultimeter connector = it.next();
+			connector.updateDesc();
+		}
+		
+		doUpdate = true;
+	}
+
 	@Override
 	protected void reconstructConnector(PartMultimeter node)
 	{

src/main/java/resonantinduction/electrical/multimeter/PartMultimeter.java

@@ -113,10 +113,14 @@ public class PartMultimeter extends JCuboidPart implements IConnector<Multimeter
 			}
 
 			getNetwork().reconstruct();
-			writeDesc(getWriteStream());
 		}
 	}
 
+	public void updateDesc()
+	{
+		writeDesc(getWriteStream());
+	}
+
 	@Override
 	public void onWorldJoin()
 	{
@@ -172,35 +176,35 @@ public class PartMultimeter extends JCuboidPart implements IConnector<Multimeter
 
 		if (!world().isRemote)
 		{
+			long detectedEnergy = doGetDetectedEnergy();
+
+			boolean outputRedstone = false;
+
+			switch (detectMode)
+			{
+				default:
+					break;
+				case EQUAL:
+					outputRedstone = detectedEnergy == redstoneTriggerLimit;
+					break;
+				case GREATER_THAN:
+					outputRedstone = detectedEnergy > redstoneTriggerLimit;
+					break;
+				case GREATER_THAN_EQUAL:
+					outputRedstone = detectedEnergy >= redstoneTriggerLimit;
+					break;
+				case LESS_THAN:
+					outputRedstone = detectedEnergy < redstoneTriggerLimit;
+					break;
+				case LESS_THAN_EQUAL:
+					outputRedstone = detectedEnergy <= redstoneTriggerLimit;
+					break;
+			}
+
+			getNetwork().updateGraph(detectedEnergy, 0);
+
 			if (ticks % 10 == 0)
 			{
-				long detectedEnergy = doGetDetectedEnergy();
-
-				boolean outputRedstone = false;
-
-				switch (detectMode)
-				{
-					default:
-						break;
-					case EQUAL:
-						outputRedstone = detectedEnergy == redstoneTriggerLimit;
-						break;
-					case GREATER_THAN:
-						outputRedstone = detectedEnergy > redstoneTriggerLimit;
-						break;
-					case GREATER_THAN_EQUAL:
-						outputRedstone = detectedEnergy >= redstoneTriggerLimit;
-						break;
-					case LESS_THAN:
-						outputRedstone = detectedEnergy < redstoneTriggerLimit;
-						break;
-					case LESS_THAN_EQUAL:
-						outputRedstone = detectedEnergy <= redstoneTriggerLimit;
-						break;
-				}
-
-				getNetwork().updateGraph(detectedEnergy, 0);
-
 				if (outputRedstone != redstoneOn)
 				{
 					redstoneOn = outputRedstone;
@@ -229,9 +233,9 @@ public class PartMultimeter extends JCuboidPart implements IConnector<Multimeter
 		packet.readByte();
 		this.side = packet.readByte();
 		detectMode = DetectMode.values()[packet.readByte()];
-		refresh();
 		getNetwork().center = new universalelectricity.api.vector.Vector3(packet.readNBTTagCompound());
 		getNetwork().size = new universalelectricity.api.vector.Vector3(packet.readNBTTagCompound());
+		getNetwork().isEnabled = packet.readBoolean();
 	}
 
 	@Override
@@ -242,6 +246,7 @@ public class PartMultimeter extends JCuboidPart implements IConnector<Multimeter
 		packet.writeByte((byte) detectMode.ordinal());
 		packet.writeNBTTagCompound(getNetwork().center.writeToNBT(new NBTTagCompound()));
 		packet.writeNBTTagCompound(getNetwork().size.writeToNBT(new NBTTagCompound()));
+		packet.writeBoolean(getNetwork().isEnabled);
 	}
 
 	public void writeGraph(MCDataOutput packet)
@@ -262,9 +267,10 @@ public class PartMultimeter extends JCuboidPart implements IConnector<Multimeter
 		{
 			this.side = packet.readByte();
 			detectMode = DetectMode.values()[packet.readByte()];
-			refresh();
 			getNetwork().center = new universalelectricity.api.vector.Vector3(packet.readNBTTagCompound());
 			getNetwork().size = new universalelectricity.api.vector.Vector3(packet.readNBTTagCompound());
+			getNetwork().isEnabled = packet.readBoolean();
+			refresh();
 		}
 		else if (packetID == 1)
 		{
@@ -501,4 +507,17 @@ public class PartMultimeter extends JCuboidPart implements IConnector<Multimeter
 	{
 		return new universalelectricity.api.vector.Vector3(x(), y(), z());
 	}
+
+	/**
+	 * Only one multimeter renders the text.
+	 */
+	public boolean isPrimaryRendering()
+	{
+		for (PartMultimeter m : getNetwork().getConnectors())
+		{
+			return m == this;
+		}
+
+		return false;
+	}
 }

src/main/java/resonantinduction/electrical/multimeter/RenderMultimeter.java

@@ -131,14 +131,14 @@ public class RenderMultimeter
 		 * Only one block renders this text.
 		 * Render all the multimeter text
 		 */
-		if (part.getNetwork().center.distance(new Vector3(part.x(), part.y(), part.z()).translate(0.5)) < 1)
+		if (part.getNetwork().isEnabled && part.isPrimaryRendering())
 		{
 			GL11.glPushMatrix();
 			GL11.glTranslated(x + 0.5, y + 0.5, z + 0.5);
 			Vector3 centerTranslation = part.getNetwork().center.clone().subtract(part.x(), part.y(), part.z()).add(-0.5);
 			GL11.glTranslated(centerTranslation.x, centerTranslation.y, centerTranslation.z);
 			RenderUtility.rotateFaceBlockToSideOutwards(part.getDirection().getOpposite());
-			GL11.glTranslated(0, 0.07, 0);
+			GL11.glTranslated(0, 0.05, 0);
 
 			for (int i = 0; i < 1; i++)
 			{