Lots of compile fixes

src/api/java/appeng/api/movable/IMovableHandler.java

@@ -53,7 +53,7 @@ public interface IMovableHandler
 	 * <pre>
 	 * {
 	 * 	&#064;code
-	 * 	Chunk c = world.getChunkFromBlockCoords( x, z );
+	 * 	Chunk c = world.getChunkAt( x, z );
 	 * 	c.setChunkBlockTileEntity( x &amp; 0xF, y + y, z &amp; 0xF, tile );
 	 *
 	 * 	if( c.isChunkLoaded )

src/api/java/appeng/api/networking/crafting/ICraftingCPU.java

@@ -27,6 +27,7 @@ package appeng.api.networking.crafting;
 import appeng.api.networking.security.IActionSource;
 import appeng.api.networking.storage.IBaseMonitor;
 import appeng.api.storage.data.IAEItemStack;
+import net.minecraft.util.text.ITextComponent;
 
 
 public interface ICraftingCPU extends IBaseMonitor<IAEItemStack>
@@ -53,7 +54,7 @@ public interface ICraftingCPU extends IBaseMonitor<IAEItemStack>
 	int getCoProcessors();
 
 	/**
-	 * @return an empty string or the name of the cpu.
+	 * @return a null or the name of the cpu.
 	 */
-	String getName();
+	ITextComponent getName();
 }

src/api/java/appeng/api/networking/security/IActionHost.java

@@ -40,6 +40,6 @@ public interface IActionHost
 	 * @return the the gridnode that actions from this IGridHost are preformed
 	 * by.
 	 */
-	@Nonnull
+	@Nonnull // FIXME fishy annotation, every caller seems to check for null
 	IGridNode getActionableNode();
 }

src/api/java/appeng/api/parts/IPart.java

@@ -30,6 +30,8 @@ import java.util.Random;
 
 import javax.annotation.Nonnull;
 
+import com.mojang.blaze3d.matrix.MatrixStack;
+import net.minecraft.client.renderer.IRenderTypeBuffer;
 import net.minecraft.entity.Entity;
 import net.minecraft.entity.LivingEntity;
 import net.minecraft.entity.player.PlayerEntity;
@@ -50,6 +52,7 @@ import appeng.api.networking.IGridNode;
 import appeng.api.util.AECableType;
 import appeng.api.util.AEColor;
 import appeng.api.util.AEPartLocation;
+import net.minecraftforge.common.util.LazyOptional;
 
 
 public interface IPart extends IBoxProvider, ICustomCableConnection
@@ -75,7 +78,7 @@ public interface IPart extends IBoxProvider, ICustomCableConnection
 	 * this method to be called.
 	 */
 	@OnlyIn( Dist.CLIENT )
-	default void renderDynamic( double x, double y, double z, float partialTicks, int destroyStage )
+	default void renderDynamic(float partialTicks, MatrixStack matrixStack, IRenderTypeBuffer buffers, int combinedLightIn, int combinedOverlayIn)
 	{
 	}
 
@@ -333,27 +336,13 @@ public interface IPart extends IBoxProvider, ICustomCableConnection
 	 * forwarded to parts on the appropriate
 	 * side.
 	 *
-	 * @see TileEntity#hasCapability(Capability, EnumFacing)
-	 *
-	 * @return True if your part has the requested capability.
-	 */
-	default boolean hasCapability( Capability<?> capabilityClass )
-	{
-		return false;
-	}
-
-	/**
-	 * Implement this method if your part exposes capabilitys. Any requests for capabilities on the cable bus will be
-	 * forwarded to parts on the appropriate
-	 * side.
-	 *
-	 * @see TileEntity#getCapability(Capability, EnumFacing)
+	 * @see TileEntity#getCapability(Capability, net.minecraft.util.Direction)
 	 *
 	 * @return The capability or null.
 	 */
-	default <T> T getCapability( Capability<T> capabilityClass )
+	default <T> LazyOptional<T> getCapability(Capability<T> capabilityClass )
 	{
-		return null;
+		return LazyOptional.empty();
 	}
 
 	/**

src/api/java/appeng/api/parts/IPartItem.java

@@ -42,7 +42,7 @@ import net.minecraft.item.ItemStack;
  * <code>
  *
  * {@literal @}Override
- * public default EnumActionResult onItemUse(ItemStack is, EntityPlayer player, World world, BlockPos pos, EnumHand hand, EnumFacing side, float hitX, float hitY, float hitZ)
+ * public default ActionResultType onItemUse(ItemStack is, EntityPlayer player, World world, BlockPos pos, EnumHand hand, EnumFacing side, float hitX, float hitY, float hitZ)
  *	{
  *		return Api.INSTANCE.partHelper().placeBus( is, pos, side, player, hand, world );
  *	}