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Fixes #2557: Made facades much more robust when rendering. Facades now use string ids for the base item in NBT again to avoid issues when loading worlds with a different Item ID registry mapping. In addition, we don't store the Block metadata instead of the Item Damage anymore, since when reading a facade back in, we were using that block metadata as the item damage, which is technically incorrect.

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This commit is contained in:
Sebastian Hartte
2016-11-02 01:42:49 +01:00
parent a3c33d5323
commit 2fe5a3cef8
2 changed files with 74 additions and 13 deletions
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src/main/java/appeng/items/parts/ItemFacade.java
+45 -13
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@@ -38,6 +38,7 @@ import net.minecraft.util.EnumActionResult;
import net.minecraft.util.EnumBlockRenderType;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.EnumHand;
import net.minecraft.util.ResourceLocation;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;
import net.minecraftforge.common.property.IExtendedBlockState;
@@ -57,6 +58,9 @@ import appeng.items.AEBaseItem;
public class ItemFacade extends AEBaseItem implements IFacadeItem, IAlphaPassItem
{
private static final String TAG_ITEM_ID = "item";
private static final String TAG_DAMAGE = "damage";
private List<ItemStack> subTypes = null;
public ItemFacade()
@@ -107,6 +111,10 @@ public class ItemFacade extends AEBaseItem implements IFacadeItem, IAlphaPassIte
try
{
final Item item = Item.getItemFromBlock( b );
if( item == null )
{
continue;
}
final List<ItemStack> tmpList = new ArrayList<ItemStack>( 100 );
b.getSubBlocks( item, b.getCreativeTabToDisplayOn(), tmpList );
@@ -184,10 +192,8 @@ public class ItemFacade extends AEBaseItem implements IFacadeItem, IAlphaPassIte
final ItemStack is = new ItemStack( this );
final NBTTagCompound data = new NBTTagCompound();
final int[] ds = new int[2];
ds[0] = Item.getIdFromItem( l.getItem() );
ds[1] = metadata;
data.setIntArray( "x", ds );
data.setString( TAG_ITEM_ID, l.getItem().getRegistryName().toString() );
data.setInteger( TAG_DAMAGE, l.getItemDamage() );
is.setTagCompound( data );
return is;
}
@@ -216,22 +222,39 @@ public class ItemFacade extends AEBaseItem implements IFacadeItem, IAlphaPassIte
return null;
}
// First item is numeric item id, second is damage
int[] ids = nbt.getIntArray( "x" );
ResourceLocation itemId;
int itemDamage;
if( ids.length != 2 )
// Handle legacy facades
if( nbt.hasKey( "x" ) )
{
return null;
int[] data = nbt.getIntArray( "x" );
if( data.length != 2 )
{
return null;
}
Item item = Item.REGISTRY.getObjectById( data[0] );
if ( item == null ) {
return null;
}
itemId = item.getRegistryName();
itemDamage = data[1];
} else {
// First item is numeric item id, second is damage
itemId = new ResourceLocation( nbt.getString( TAG_ITEM_ID ) );
itemDamage = nbt.getInteger( TAG_DAMAGE );
}
Item baseItem = Item.REGISTRY.getObjectById( ids[0] );
Item baseItem = Item.REGISTRY.getObject( itemId );
if( baseItem == null )
{
return null;
}
return new ItemStack( baseItem, 1, ids[1] );
return new ItemStack( baseItem, 1, itemDamage );
}
@@ -253,13 +276,15 @@ public class ItemFacade extends AEBaseItem implements IFacadeItem, IAlphaPassIte
return Blocks.GLASS.getDefaultState();
}
int metadata = baseItemStack.getItem().getMetadata( baseItemStack );
try
{
return block.getStateFromMeta( baseItemStack.getItemDamage() );
return block.getStateFromMeta( metadata );
}
catch( Exception e )
{
AELog.warn( "Block {} has broken getStateFromMeta method for meta {}", block.getRegistryName(), baseItemStack.getItemDamage() );
AELog.warn( "Block %s has broken getStateFromMeta method for meta %d", block.getRegistryName().toString(), baseItemStack.getItemDamage() );
return Blocks.GLASS.getDefaultState();
}
@@ -286,8 +311,15 @@ public class ItemFacade extends AEBaseItem implements IFacadeItem, IAlphaPassIte
ItemStack facadeStack = AEApi.instance().definitions().items().facade().maybeStack( 1 )
.orElseThrow( () -> new MissingDefinition( "Tried to create a facade, while facades are being deactivated." ) );
// Convert back to a registry name...
Item item = Item.REGISTRY.getObjectById( ids[0] );
if ( item == null ) {
return null;
}
final NBTTagCompound facadeTag = new NBTTagCompound();
facadeTag.setIntArray( "x", ids.clone() );
facadeTag.setString( TAG_ITEM_ID, item.getRegistryName().toString() );
facadeTag.setInteger( TAG_DAMAGE, ids[1] );
facadeStack.setTagCompound( facadeTag );
return facadeStack;