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Do not listen to block/entity drop events

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It appears several mods inject their own drops on the LOWEST priority,
meaning that we capture the existing drops, and the other mod will clear
the (now empty) drop list and add its own, resulting in dupe bugs.

While I'd argue it's somewhat dubious doing this on the LOWEST priority,
it's not a battle I'm prepared to fight. For now, we just remove the
block/entity drop handlers, and handle all drop logic when entities are
spawned.

Fixes #288
This commit is contained in:
SquidDev 2019-08-19 10:33:53 +01:00
parent a80302c513
commit a802f25dd6
1 changed files with 1 additions and 34 deletions
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35
src/main/java/dan200/computercraft/shared/util/DropConsumer.java
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@ -14,8 +14,6 @@ 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.event.world.BlockEvent;
import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.common.eventhandler.EventPriority;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
@ -35,7 +33,6 @@ public final class DropConsumer
private static Function<ItemStack, ItemStack> dropConsumer;
private static List<ItemStack> remainingDrops;
private static WeakReference<World> dropWorld;
private static BlockPos dropPos;
private static AxisAlignedBB dropBounds;
private static WeakReference<Entity> dropEntity;
@ -45,7 +42,6 @@ public final class DropConsumer
remainingDrops = new ArrayList<>();
dropEntity = new WeakReference<>( entity );
dropWorld = new WeakReference<>( entity.world );
dropPos = null;
dropBounds = new AxisAlignedBB( entity.getPosition() ).grow( 2, 2, 2 );
entity.captureDrops = true;
@ -54,10 +50,9 @@ public final class DropConsumer
public static void set( World world, BlockPos pos, Function<ItemStack, ItemStack> consumer )
{
dropConsumer = consumer;
remainingDrops = new ArrayList<>();
remainingDrops = new ArrayList<>( 2 );
dropEntity = null;
dropWorld = new WeakReference<>( world );
dropPos = pos;
dropBounds = new AxisAlignedBB( pos ).grow( 2, 2, 2 );
}
@ -83,7 +78,6 @@ public final class DropConsumer
remainingDrops = null;
dropEntity = null;
dropWorld = null;
dropPos = null;
dropBounds = null;
return remainingStacks;
@ -95,33 +89,6 @@ public final class DropConsumer
if( !remaining.isEmpty() ) remainingDrops.add( remaining );
}
@SubscribeEvent( priority = EventPriority.LOWEST )
public static void onEntityLivingDrops( LivingDropsEvent event )
{
// Capture any mob drops for the current entity
if( dropEntity != null && event.getEntity() == dropEntity.get() )
{
List<EntityItem> drops = event.getDrops();
for( EntityItem entityItem : drops ) handleDrops( entityItem.getItem() );
drops.clear();
}
}
@SubscribeEvent( priority = EventPriority.LOWEST )
public static void onHarvestDrops( BlockEvent.HarvestDropsEvent event )
{
// Capture block drops for the current entity
if( dropWorld != null && dropWorld.get() == event.getWorld()
&& dropPos != null && dropPos.equals( event.getPos() ) )
{
for( ItemStack item : event.getDrops() )
{
if( event.getWorld().rand.nextFloat() < event.getDropChance() ) handleDrops( item );
}
event.getDrops().clear();
}
}
@SubscribeEvent( priority = EventPriority.LOWEST )
public static void onEntitySpawn( EntityJoinWorldEvent event )
{