PaperMC/patches/server/0783-Add-a-consumer-parameter-to-ProjectileSource-launchP.patch
Owen 89d51d5f29
Allow enabling sand duping (#10191)
Because this exploit has been widely known for years and has not been fixed by Mojang, we decided that it was worth allowing people to toggle it on/off due to how easy it is to make it configurable.

It should be noted that this decision does not promise all future exploits will be configurable.
2024-03-03 17:05:34 -05:00

69 lines
3.7 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MelnCat <melncatuwu@gmail.com>
Date: Mon, 19 Sep 2022 14:16:10 -0700
Subject: [PATCH] Add a consumer parameter to ProjectileSource#launchProjectile
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
index 1170cf9b3b61fae099ed8574888187cf4f20ffd1..e559af05c58b7d9c940cea9f48c0f4bd0aad756c 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
@@ -546,8 +546,15 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
}
@Override
- @SuppressWarnings("unchecked")
public <T extends Projectile> T launchProjectile(Class<? extends T> projectile, Vector velocity) {
+ // Paper start - launchProjectile consumer
+ return this.launchProjectile(projectile, velocity, null);
+ }
+
+ @Override
+ @SuppressWarnings("unchecked")
+ public <T extends Projectile> T launchProjectile(Class<? extends T> projectile, Vector velocity, java.util.function.Consumer<? super T> function) {
+ // Paper end - launchProjectile consumer
Preconditions.checkState(!this.getHandle().generation, "Cannot launch projectile during world generation");
net.minecraft.world.level.Level world = ((CraftWorld) this.getWorld()).getHandle();
@@ -634,6 +641,11 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
if (velocity != null) {
((T) launch.getBukkitEntity()).setVelocity(velocity);
}
+ // Paper start - launchProjectile consumer
+ if (function != null) {
+ function.accept((T) launch.getBukkitEntity());
+ }
+ // Paper end - launchProjectile consumer
world.addFreshEntity(launch);
return (T) launch.getBukkitEntity();
diff --git a/src/main/java/org/bukkit/craftbukkit/projectiles/CraftBlockProjectileSource.java b/src/main/java/org/bukkit/craftbukkit/projectiles/CraftBlockProjectileSource.java
index faab60e735aca230cb4c0b7db21e6a9a237daf6e..89401fc942c151941790b1152a35357aa51fcdba 100644
--- a/src/main/java/org/bukkit/craftbukkit/projectiles/CraftBlockProjectileSource.java
+++ b/src/main/java/org/bukkit/craftbukkit/projectiles/CraftBlockProjectileSource.java
@@ -55,6 +55,13 @@ public class CraftBlockProjectileSource implements BlockProjectileSource {
@Override
public <T extends Projectile> T launchProjectile(Class<? extends T> projectile, Vector velocity) {
+ // Paper start - launchProjectile consumer
+ return this.launchProjectile(projectile, velocity, null);
+ }
+
+ @Override
+ public <T extends Projectile> T launchProjectile(Class<? extends T> projectile, Vector velocity, java.util.function.Consumer<? super T> function) {
+ // Paper end - launchProjectile consumer
Preconditions.checkArgument(this.getBlock().getType() == Material.DISPENSER, "Block is no longer dispenser");
// Copied from BlockDispenser.dispense()
BlockSource sourceblock = new BlockSource((ServerLevel) this.dispenserBlock.getLevel(), this.dispenserBlock.getBlockPos(), this.dispenserBlock.getBlockState(), this.dispenserBlock);
@@ -145,6 +152,11 @@ public class CraftBlockProjectileSource implements BlockProjectileSource {
if (velocity != null) {
((T) launch.getBukkitEntity()).setVelocity(velocity);
}
+ // Paper start
+ if (function != null) {
+ function.accept((T) launch.getBukkitEntity());
+ }
+ // Paper end
world.addFreshEntity(launch);
return (T) launch.getBukkitEntity();