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Code Issues Releases Wiki Activity

Clean up entity drop code

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We were incorrectly using captureDrops directly - it's more reasonable
to listen to the drop event. Fixes #486
This commit is contained in:
SquidDev 2020-06-30 11:10:24 +01:00
parent 2a8efb3fd5
commit 9e2232d240
1 changed files with 16 additions and 21 deletions
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37
src/main/java/dan200/computercraft/shared/util/DropConsumer.java
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@ -13,11 +13,11 @@ import net.minecraft.util.math.AxisAlignedBB;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;
import net.minecraftforge.event.entity.EntityJoinWorldEvent;
import net.minecraftforge.event.entity.living.LivingDropsEvent;
import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.common.eventhandler.EventPriority;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.List;
import java.util.function.Function;
@ -31,16 +31,16 @@ public final class DropConsumer
private static Function<ItemStack, ItemStack> dropConsumer;
private static List<ItemStack> remainingDrops;
private static WeakReference<World> dropWorld;
private static World dropWorld;
private static AxisAlignedBB dropBounds;
private static WeakReference<Entity> dropEntity;
private static Entity dropEntity;
public static void set( Entity entity, Function<ItemStack, ItemStack> consumer )
{
dropConsumer = consumer;
remainingDrops = new ArrayList<>();
dropEntity = new WeakReference<>( entity );
dropWorld = new WeakReference<>( entity.world );
dropEntity = entity;
dropWorld = entity.world;
dropBounds = new AxisAlignedBB( entity.getPosition() ).grow( 2, 2, 2 );
entity.captureDrops = true;
@ -51,26 +51,12 @@ public final class DropConsumer
dropConsumer = consumer;
remainingDrops = new ArrayList<>( 2 );
dropEntity = null;
dropWorld = new WeakReference<>( world );
dropWorld = world;
dropBounds = new AxisAlignedBB( pos ).grow( 2, 2, 2 );
}
public static List<ItemStack> clear()
{
if( dropEntity != null )
{
Entity entity = dropEntity.get();
if( entity != null )
{
entity.captureDrops = false;
if( entity.capturedDrops != null )
{
for( EntityItem entityItem : entity.capturedDrops ) handleDrops( entityItem.getItem() );
entity.capturedDrops.clear();
}
}
}
List<ItemStack> remainingStacks = remainingDrops;
dropConsumer = null;
@ -92,11 +78,20 @@ public final class DropConsumer
public static void onEntitySpawn( EntityJoinWorldEvent event )
{
// Capture any nearby item spawns
if( dropWorld != null && dropWorld.get() == event.getWorld() && event.getEntity() instanceof EntityItem
if( dropWorld == event.getWorld() && event.getEntity() instanceof EntityItem
&& dropBounds.contains( event.getEntity().getPositionVector() ) )
{
handleDrops( ((EntityItem) event.getEntity()).getItem() );
event.setCanceled( true );
}
}
@SubscribeEvent
public static void onLivingDrops( LivingDropsEvent drops )
{
if( dropEntity == null || drops.getEntity() != dropEntity ) return;
for( EntityItem drop : drops.getDrops() ) handleDrops( drop.getItem() );
drops.setCanceled( true );
}
}