@Inject(
method = "dropItem",
at =
@At(
value = "FIELD",
opcode = Opcodes.GETFIELD,
target = "Lnet/minecraft/entity/player/EntityPlayer;posY:D"),
cancellable = true)
private void onDropTop(
ItemStack itemStack,
boolean a,
boolean b,
CallbackInfoReturnable<EntityItem> callbackInfoReturnable) {
final double height = this.posY - 0.3D + (double) this.getEyeHeight();
Transform<org.spongepowered.api.world.World> transform =
new Transform<>(this.getWorld(), new Vector3d(this.posX, height, this.posZ));
SpawnCause cause =
EntitySpawnCause.builder().entity(this).type(SpawnTypes.DROPPED_ITEM).build();
ConstructEntityEvent.Pre event =
SpongeEventFactory.createConstructEntityEventPre(
Cause.of(NamedCause.source(cause)), EntityTypes.ITEM, transform);
SpongeImpl.postEvent(event);
if (event.isCancelled()) {
callbackInfoReturnable.setReturnValue(null);
}
}
/**
* @author gabizou - January 30th, 2016
* @author blood - May 12th, 2016
* @reason If capturing is enabled, captures the item and avoids spawn. If capturing is not
* enabled, redirects the dropped item spawning to use our world spawning since we know the
* cause.
*/
@Overwrite
public void joinEntityItemWithWorld(EntityItem itemIn) {
if (this.worldObj.isRemote) {
this.worldObj.spawnEntityInWorld(itemIn);
return;
}
if (this.captureItemDrops) {
this.capturedItemDrops.add(itemIn);
return;
}
SpawnCause spawnCause =
EntitySpawnCause.builder().entity(this).type(SpawnTypes.DROPPED_ITEM).build();
((org.spongepowered.api.world.World) this.worldObj)
.spawnEntity((Entity) itemIn, Cause.of(NamedCause.source(spawnCause)));
}