Fixes API compilation problem.

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

@@ -17,6 +17,7 @@ import net.minecraft.util.ResourceLocation;
 
 import appeng.api.util.AECableType;
 import appeng.api.util.AEColor;
+import appeng.core.AppEng;
 
 
 /**
@@ -60,7 +61,7 @@ class CableBuilder
 
 			for( AEColor color : AEColor.values() )
 			{
-				colorTextures.put( color, bakedTextureGetter.apply( type.getConnectionTexture( color ) ) );
+				colorTextures.put( color, bakedTextureGetter.apply( getConnectionTexture( type, color ) ) );
 			}
 
 			connectionTextures.put( type, colorTextures );
@@ -69,6 +70,29 @@ class CableBuilder
 		smartCableTextures = new SmartCableTextures( bakedTextureGetter );
 	}
 
+	static ResourceLocation getConnectionTexture( AECableType cableType, AEColor color )
+	{
+		String textureFolder;
+		switch (cableType) {
+			case GLASS:
+				textureFolder = "parts/cable/glass/";
+				break;
+			case COVERED:
+				textureFolder = "parts/cable/covered/";
+				break;
+			case SMART:
+				textureFolder = "parts/cable/smart/";
+				break;
+			case DENSE:
+				textureFolder = "parts/cable/dense/";
+				break;
+			default:
+				throw new IllegalStateException( "Cable type " + cableType + " does not support connections." );
+		}
+
+		return new ResourceLocation( AppEng.MOD_ID, textureFolder + color.name().toLowerCase() );
+	}
+
 	/**
 	 * Adds the core of a cable to the given list of quads.
 	 *
@@ -656,7 +680,7 @@ class CableBuilder
 		{
 			for( AEColor color : AEColor.values() )
 			{
-				locations.add( cableType.getConnectionTexture( color ) );
+				locations.add( getConnectionTexture( cableType, color ) );
 			}
 		}
 

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

@@ -195,7 +195,7 @@ public class CableBusBakedModel implements IBakedModel
 	 */
 	public List<TextureAtlasSprite> getParticleTextures( CableBusRenderState renderState )
 	{
-		CableCoreType coreType = renderState.getCableType().getCoreType();
+		CableCoreType coreType = CableCoreType.fromCableType( renderState.getCableType() );
 		AEColor cableColor = renderState.getCableColor();
 
 		if( coreType != null )

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

@@ -1,8 +1,14 @@
 package appeng.client.render.cablebus;
 
 
+import java.util.EnumMap;
+import java.util.Map;
+
+import com.google.common.collect.ImmutableMap;
+
 import net.minecraft.util.ResourceLocation;
 
+import appeng.api.util.AECableType;
 import appeng.api.util.AEColor;
 import appeng.core.AppEng;
 
@@ -20,6 +26,24 @@ public enum CableCoreType
 	COVERED( "parts/cable/core/covered" ),
 	DENSE( "parts/cable/core/dense" );
 
+	private static final Map<AECableType, CableCoreType> cableMapping = generateCableMapping();
+
+	/**
+	 * Creates the mapping that assigns a cable core type to an AE cable type.
+	 */
+	private static Map<AECableType, CableCoreType> generateCableMapping()
+	{
+
+		Map<AECableType, CableCoreType> result = new EnumMap<>( AECableType.class );
+
+		result.put( AECableType.GLASS, CableCoreType.GLASS );
+		result.put( AECableType.COVERED, CableCoreType.COVERED );
+		result.put( AECableType.SMART, CableCoreType.COVERED );
+		result.put( AECableType.DENSE, CableCoreType.DENSE );
+
+		return ImmutableMap.copyOf( result );
+	}
+
 	private final String textureFolder;
 
 	CableCoreType( String textureFolder )
@@ -27,9 +51,18 @@ public enum CableCoreType
 		this.textureFolder = textureFolder;
 	}
 
+	/**
+	 * @return The type of core that should be rendered when the given cable isn't straight and needs to have a core to attach connections to.
+	 * Is null for the NULL cable.
+	 */
+	public static CableCoreType fromCableType( AECableType cableType )
+	{
+		return cableMapping.get( cableType );
+	}
+
 	public ResourceLocation getTexture( AEColor color )
 	{
 		return new ResourceLocation( AppEng.MOD_ID, textureFolder + "/" + color.name().toLowerCase() );
 	}
 
-}
+}

src/main/java/appeng/parts/CableBusContainer.java

@@ -1163,7 +1163,7 @@ public class CableBusContainer extends CableBusStorage implements AEMultiTile, I
 		{
 			renderState.setCableColor( cable.getCableColor() );
 			renderState.setCableType( cable.getCableConnectionType() );
-			renderState.setCoreType( cable.getCableConnectionType().getCoreType() );
+			renderState.setCoreType( CableCoreType.fromCableType( cable.getCableConnectionType() ) );
 
 			// Check each outgoing connection for the desired characteristics
 			for( EnumFacing facing : EnumFacing.values() )