Fixes #4089: Render cable core on straight lines of different types. (#4103)

src/main/java/appeng/client/render/cablebus/CableBuilder.java

@@ -493,6 +493,11 @@ class CableBuilder
 			this.addCoveredConnection( facing, cableColor, connectionType, cableBusAdjacent, quadsOut );
 			return;
 		}
+		else if( connectionType == AECableType.DENSE_COVERED )
+		{
+			this.addDenseCoveredConnection( facing, cableColor, connectionType, cableBusAdjacent, quadsOut );
+			return;
+		}
 
 		CubeBuilder cubeBuilder = new CubeBuilder( this.format, quadsOut );
 

src/main/java/appeng/client/render/cablebus/CableBusBakedModel.java

@@ -172,7 +172,7 @@ public class CableBusBakedModel implements IBakedModel
 
 		final AECableType secondType = sides.get( firstSide.getOpposite() );
 
-		return firstType == secondType;
+		return firstType == secondType && cableType == firstType && cableType == secondType;
 	}
 
 	private void addCableQuads( CableBusRenderState renderState, List<BakedQuad> quadsOut )