Fix gas render in mech pipe

common/mekanism/client/render/RenderPartTransmitter.java

@@ -49,6 +49,7 @@ public class RenderPartTransmitter implements IIconRegister
 	private static final int stages = 40;
 	private static final double height = 0.45;
 	private static final double offset = 0.015;
+	
 	private HashMap<ForgeDirection, HashMap<Fluid, DisplayInteger[]>> cachedLiquids = new HashMap<ForgeDirection, HashMap<Fluid, DisplayInteger[]>>();
 	
 	static
@@ -130,12 +131,12 @@ public class RenderPartTransmitter implements IIconRegister
 	}
 	
 	public void renderContents(PartMechanicalPipe pipe, Vector3 pos)
-	{
-		if(pipe.getTransmitterNetwork().fluidScale > 0)
 	{
 		Fluid fluid = pipe.getTransmitterNetwork().refFluid;
 		float scale = pipe.getTransmitterNetwork().fluidScale;
 		
+		if(scale > 0 && fluid != null)
+		{	
 			push();
 			
 			MekanismRenderer.glowOn(fluid.getLuminosity());
@@ -143,6 +144,8 @@ public class RenderPartTransmitter implements IIconRegister
 			CCRenderState.changeTexture((MekanismRenderer.getBlocksTexture()));
 			GL11.glTranslated(pos.x, pos.y, pos.z);
 			
+			boolean gas = fluid.isGaseous();
+			
 			for(ForgeDirection side : ForgeDirection.VALID_DIRECTIONS)
 			{
 				if(PartTransmitter.connectionMapContainsSide(pipe.getAllCurrentConnections(), side))
@@ -150,18 +153,32 @@ public class RenderPartTransmitter implements IIconRegister
 					DisplayInteger[] displayLists = getListAndRender(side, fluid);
 					
 					if(displayLists != null)
+					{
+						if(!gas)
 						{
 							displayLists[Math.max(3, (int)((float)scale*(stages-1)))].render();
 						}
+						else {
+							GL11.glColor4f(1F, 1F, 1F, scale);
+							displayLists[stages-1].render();
+						}
+					}
 				}
 			}
 			
 			DisplayInteger[] displayLists = getListAndRender(ForgeDirection.UNKNOWN, fluid);
 			
 			if(displayLists != null)
+			{
+				if(!gas)
 				{
 					displayLists[Math.max(3, (int)((float)scale*(stages-1)))].render();
 				}
+				else {
+					GL11.glColor4f(1F, 1F, 1F, scale);
+					displayLists[stages-1].render();
+				}
+			}
 			
 			MekanismRenderer.glowOff();