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PaperMC/Spigot-Server-Patches/PlayerLaunchProjectileEvent.patch
Shane Freeder 61c0f2d99e Updated Upstream (CraftBukkit/Spigot) 
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

CraftBukkit Changes:
eb2e6578 SPIGOT-5116: Fix concurrent modification exception inside ChunkMapDistance
989f9b3d SPIGOT-4849: Fix server crash when accessing chunks during chunk load/unload/populate events
f554183c SPIGOT-5171: Don't fire PlayerTeleportEvent if not actually moving
2349feb8 SPIGOT-5163: Cancelling PlayerBucketFillEvent visually removes the targeted block

Spigot Changes:
9a643a6a Remove DataWatcher Locking
2019-07-16 23:09:32 +01:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: BillyGalbreath <Blake.Galbreath@GMail.com>
Date: Sat, 21 Jul 2018 03:11:03 -0500
Subject: [PATCH] PlayerLaunchProjectileEvent
diff --git a/src/main/java/net/minecraft/server/ItemEgg.java b/src/main/java/net/minecraft/server/ItemEgg.java
index 2bdb65bf8..f526af45f 100644
--- a/src/main/java/net/minecraft/server/ItemEgg.java
+++ b/src/main/java/net/minecraft/server/ItemEgg.java
@@ -0,0 +0,0 @@ public class ItemEgg extends Item {
public InteractionResultWrapper<ItemStack> a(World world, EntityHuman entityhuman, EnumHand enumhand) {
ItemStack itemstack = entityhuman.b(enumhand);
+ /* // Paper start - moved down
if (!entityhuman.abilities.canInstantlyBuild) {
itemstack.subtract(1);
}
world.a((EntityHuman) null, entityhuman.locX, entityhuman.locY, entityhuman.locZ, SoundEffects.ENTITY_EGG_THROW, SoundCategory.PLAYERS, 0.5F, 0.4F / (ItemEgg.i.nextFloat() * 0.4F + 0.8F));
+ */ // Paper end
if (!world.isClientSide) {
EntityEgg entityegg = new EntityEgg(world, entityhuman);
entityegg.setItem(itemstack);
entityegg.a(entityhuman, entityhuman.pitch, entityhuman.yaw, 0.0F, 1.5F, 1.0F);
- world.addEntity(entityegg);
+ // Paper start
+ com.destroystokyo.paper.event.player.PlayerLaunchProjectileEvent event = new com.destroystokyo.paper.event.player.PlayerLaunchProjectileEvent((org.bukkit.entity.Player) entityhuman.getBukkitEntity(), org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(itemstack), (org.bukkit.entity.Projectile) entityegg.getBukkitEntity());
+ if (event.callEvent() && world.addEntity(entityegg)) {
+ if (event.shouldConsume() && !entityhuman.abilities.canInstantlyBuild) {
+ itemstack.subtract(1);
+ } else if (entityhuman instanceof EntityPlayer) {
+ ((EntityPlayer) entityhuman).getBukkitEntity().updateInventory();
+ }
+
+ world.a((EntityHuman) null, entityhuman.locX, entityhuman.locY, entityhuman.locZ, SoundEffects.ENTITY_EGG_THROW, SoundCategory.PLAYERS, 0.5F, 0.4F / (Entity.SHARED_RANDOM.nextFloat() * 0.4F + 0.8F));
+ } else {
+ if (entityhuman instanceof EntityPlayer) {
+ ((EntityPlayer) entityhuman).getBukkitEntity().updateInventory();
+ }
+ return new InteractionResultWrapper(EnumInteractionResult.FAIL, itemstack);
+ }
+ // Paper end
}
entityhuman.b(StatisticList.ITEM_USED.b(this));
diff --git a/src/main/java/net/minecraft/server/ItemEnderPearl.java b/src/main/java/net/minecraft/server/ItemEnderPearl.java
index eb5f62dec..e8e52d726 100644
--- a/src/main/java/net/minecraft/server/ItemEnderPearl.java
+++ b/src/main/java/net/minecraft/server/ItemEnderPearl.java
@@ -0,0 +0,0 @@ public class ItemEnderPearl extends Item {
entityenderpearl.setItem(itemstack);
entityenderpearl.a(entityhuman, entityhuman.pitch, entityhuman.yaw, 0.0F, 1.5F, 1.0F);
- if (!world.addEntity(entityenderpearl)) {
+ // Paper start
+ com.destroystokyo.paper.event.player.PlayerLaunchProjectileEvent event = new com.destroystokyo.paper.event.player.PlayerLaunchProjectileEvent((org.bukkit.entity.Player) entityhuman.getBukkitEntity(), org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(itemstack), (org.bukkit.entity.Projectile) entityenderpearl.getBukkitEntity());
+ if (event.callEvent() && world.addEntity(entityenderpearl)) {
+ if (event.shouldConsume() && !entityhuman.abilities.canInstantlyBuild) {
+ itemstack.subtract(1);
+ } else if (entityhuman instanceof EntityPlayer) {
+ ((EntityPlayer) entityhuman).getBukkitEntity().updateInventory();
+ }
+
+ world.a((EntityHuman) null, entityhuman.locX, entityhuman.locY, entityhuman.locZ, SoundEffects.ENTITY_ENDER_PEARL_THROW, SoundCategory.NEUTRAL, 0.5F, 0.4F / (Entity.SHARED_RANDOM.nextFloat() * 0.4F + 0.8F));
+ entityhuman.getCooldownTracker().a(this, 20);
+ } else {
+ // Paper end
if (entityhuman instanceof EntityPlayer) {
((EntityPlayer) entityhuman).getBukkitEntity().updateInventory();
}
@@ -0,0 +0,0 @@ public class ItemEnderPearl extends Item {
}
}
- if (!entityhuman.abilities.canInstantlyBuild) {
- itemstack.subtract(1);
- }
-
- world.a((EntityHuman) null, entityhuman.locX, entityhuman.locY, entityhuman.locZ, SoundEffects.ENTITY_ENDER_PEARL_THROW, SoundCategory.NEUTRAL, 0.5F, 0.4F / (ItemEnderPearl.i.nextFloat() * 0.4F + 0.8F));
- entityhuman.getCooldownTracker().a(this, 20);
- // CraftBukkit end
+ // Paper start - moved up
+ //if (!entityhuman.abilities.canInstantlyBuild) {
+ // itemstack.subtract(1);
+ //}
+ //
+ //world.a((EntityHuman) null, entityhuman.locX, entityhuman.locY, entityhuman.locZ, SoundEffects.ENTITY_ENDER_PEARL_THROW, SoundCategory.NEUTRAL, 0.5F, 0.4F / (ItemEnderPearl.i.nextFloat() * 0.4F + 0.8F));
+ //entityhuman.getCooldownTracker().a(this, 20);
+ // // CraftBukkit end
+ // Paper end
entityhuman.b(StatisticList.ITEM_USED.b(this));
return new InteractionResultWrapper<>(EnumInteractionResult.SUCCESS, itemstack);
diff --git a/src/main/java/net/minecraft/server/ItemExpBottle.java b/src/main/java/net/minecraft/server/ItemExpBottle.java
index 35f842ede..eb626a6f0 100644
--- a/src/main/java/net/minecraft/server/ItemExpBottle.java
+++ b/src/main/java/net/minecraft/server/ItemExpBottle.java
@@ -0,0 +0,0 @@ public class ItemExpBottle extends Item {
@Override
public InteractionResultWrapper<ItemStack> a(World world, EntityHuman entityhuman, EnumHand enumhand) {
ItemStack itemstack = entityhuman.b(enumhand);
-
+ /* // Paper start
if (!entityhuman.abilities.canInstantlyBuild) {
itemstack.subtract(1);
}
world.a((EntityHuman) null, entityhuman.locX, entityhuman.locY, entityhuman.locZ, SoundEffects.ENTITY_EXPERIENCE_BOTTLE_THROW, SoundCategory.NEUTRAL, 0.5F, 0.4F / (ItemExpBottle.i.nextFloat() * 0.4F + 0.8F));
+ */ // Paper end
if (!world.isClientSide) {
EntityThrownExpBottle entitythrownexpbottle = new EntityThrownExpBottle(world, entityhuman);
entitythrownexpbottle.setItem(itemstack);
entitythrownexpbottle.a(entityhuman, entityhuman.pitch, entityhuman.yaw, -20.0F, 0.7F, 1.0F);
- world.addEntity(entitythrownexpbottle);
+ // Paper start
+ com.destroystokyo.paper.event.player.PlayerLaunchProjectileEvent event = new com.destroystokyo.paper.event.player.PlayerLaunchProjectileEvent((org.bukkit.entity.Player) entityhuman.getBukkitEntity(), org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(itemstack), (org.bukkit.entity.Projectile) entitythrownexpbottle.getBukkitEntity());
+ if (event.callEvent() && world.addEntity(entitythrownexpbottle)) {
+ if (event.shouldConsume() && !entityhuman.abilities.canInstantlyBuild) {
+ itemstack.subtract(1);
+ } else if (entityhuman instanceof EntityPlayer) {
+ ((EntityPlayer) entityhuman).getBukkitEntity().updateInventory();
+ }
+
+ world.a((EntityHuman) null, entityhuman.locX, entityhuman.locY, entityhuman.locZ, SoundEffects.ENTITY_EXPERIENCE_BOTTLE_THROW, SoundCategory.NEUTRAL, 0.5F, 0.4F / (Entity.SHARED_RANDOM.nextFloat() * 0.4F + 0.8F));
+ } else {
+ if (entityhuman instanceof EntityPlayer) {
+ ((EntityPlayer) entityhuman).getBukkitEntity().updateInventory();
+ }
+ return new InteractionResultWrapper(EnumInteractionResult.FAIL, itemstack);
+ }
+ // Paper end
}
entityhuman.b(StatisticList.ITEM_USED.b(this));
diff --git a/src/main/java/net/minecraft/server/ItemLingeringPotion.java b/src/main/java/net/minecraft/server/ItemLingeringPotion.java
index e3683bdae..f3ad1cd6d 100644
--- a/src/main/java/net/minecraft/server/ItemLingeringPotion.java
+++ b/src/main/java/net/minecraft/server/ItemLingeringPotion.java
@@ -0,0 +0,0 @@ public class ItemLingeringPotion extends ItemPotion {
@Override
public InteractionResultWrapper<ItemStack> a(World world, EntityHuman entityhuman, EnumHand enumhand) {
ItemStack itemstack = entityhuman.b(enumhand);
+ /* // Paper start
ItemStack itemstack1 = entityhuman.abilities.canInstantlyBuild ? itemstack.cloneItemStack() : itemstack.cloneAndSubtract(1);
world.a((EntityHuman) null, entityhuman.locX, entityhuman.locY, entityhuman.locZ, SoundEffects.ENTITY_LINGERING_POTION_THROW, SoundCategory.NEUTRAL, 0.5F, 0.4F / (ItemLingeringPotion.i.nextFloat() * 0.4F + 0.8F));
+ */ // Paper end
if (!world.isClientSide) {
+
+ // Paper start - ensure stack count matches vanilla behavior without modifying original stack yet
+ ItemStack itemstack1 = itemstack.cloneItemStack();
+ if (!entityhuman.abilities.canInstantlyBuild) {
+ itemstack1.setCount(1);
+ }
+ // Paper end
EntityPotion entitypotion = new EntityPotion(world, entityhuman);
entitypotion.setItem(itemstack1);
entitypotion.a(entityhuman, entityhuman.pitch, entityhuman.yaw, -20.0F, 0.5F, 1.0F);
- world.addEntity(entitypotion);
+ // Paper start
+ com.destroystokyo.paper.event.player.PlayerLaunchProjectileEvent event = new com.destroystokyo.paper.event.player.PlayerLaunchProjectileEvent((org.bukkit.entity.Player) entityhuman.getBukkitEntity(), org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(itemstack), (org.bukkit.entity.Projectile) entitypotion.getBukkitEntity());
+ if (event.callEvent() && world.addEntity(entitypotion)) {
+ if (event.shouldConsume() && !entityhuman.abilities.canInstantlyBuild) {
+ itemstack.subtract(1);
+ } else if (entityhuman instanceof EntityPlayer) {
+ ((EntityPlayer) entityhuman).getBukkitEntity().updateInventory();
+ }
+
+ world.a((EntityHuman) null, entityhuman.locX, entityhuman.locY, entityhuman.locZ, SoundEffects.ENTITY_LINGERING_POTION_THROW, SoundCategory.NEUTRAL, 0.5F, 0.4F / (Entity.SHARED_RANDOM.nextFloat() * 0.4F + 0.8F));
+ } else {
+ if (entityhuman instanceof EntityPlayer) {
+ ((EntityPlayer) entityhuman).getBukkitEntity().updateInventory();
+ }
+ return new InteractionResultWrapper(EnumInteractionResult.FAIL, itemstack);
+ }
+ // Paper end
}
entityhuman.b(StatisticList.ITEM_USED.b(this));
diff --git a/src/main/java/net/minecraft/server/ItemSnowball.java b/src/main/java/net/minecraft/server/ItemSnowball.java
index 624989dd7..c119785b7 100644
--- a/src/main/java/net/minecraft/server/ItemSnowball.java
+++ b/src/main/java/net/minecraft/server/ItemSnowball.java
@@ -0,0 +0,0 @@ public class ItemSnowball extends Item {
entitysnowball.setItem(itemstack);
entitysnowball.a(entityhuman, entityhuman.pitch, entityhuman.yaw, 0.0F, 1.5F, 1.0F);
- if (world.addEntity(entitysnowball)) {
- if (!entityhuman.abilities.canInstantlyBuild) {
+ // Paper start
+ com.destroystokyo.paper.event.player.PlayerLaunchProjectileEvent event = new com.destroystokyo.paper.event.player.PlayerLaunchProjectileEvent((org.bukkit.entity.Player) entityhuman.getBukkitEntity(), org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(itemstack), (org.bukkit.entity.Projectile) entitysnowball.getBukkitEntity());
+ if (event.callEvent() && world.addEntity(entitysnowball)) {
+ if (event.shouldConsume() && !entityhuman.abilities.canInstantlyBuild) {
itemstack.subtract(1);
+ } else if (entityhuman instanceof EntityPlayer) {
+ ((EntityPlayer) entityhuman).getBukkitEntity().updateInventory();
}
- world.a((EntityHuman) null, entityhuman.locX, entityhuman.locY, entityhuman.locZ, SoundEffects.ENTITY_SNOWBALL_THROW, SoundCategory.NEUTRAL, 0.5F, 0.4F / (ItemSnowball.i.nextFloat() * 0.4F + 0.8F));
- } else if (entityhuman instanceof EntityPlayer) {
- ((EntityPlayer) entityhuman).getBukkitEntity().updateInventory();
+ world.a((EntityHuman) null, entityhuman.locX, entityhuman.locY, entityhuman.locZ, SoundEffects.ENTITY_SNOWBALL_THROW, SoundCategory.NEUTRAL, 0.5F, 0.4F / (Entity.SHARED_RANDOM.nextFloat() * 0.4F + 0.8F));
+ } else {
+ if (entityhuman instanceof EntityPlayer) {
+ ((EntityPlayer) entityhuman).getBukkitEntity().updateInventory();
+ }
+ return new InteractionResultWrapper(EnumInteractionResult.FAIL, itemstack);
}
+ // Paper end
}
// CraftBukkit end
diff --git a/src/main/java/net/minecraft/server/ItemSplashPotion.java b/src/main/java/net/minecraft/server/ItemSplashPotion.java
index e267e43fe..fa6d627db 100644
--- a/src/main/java/net/minecraft/server/ItemSplashPotion.java
+++ b/src/main/java/net/minecraft/server/ItemSplashPotion.java
@@ -0,0 +0,0 @@ public class ItemSplashPotion extends ItemPotion {
@Override
public InteractionResultWrapper<ItemStack> a(World world, EntityHuman entityhuman, EnumHand enumhand) {
ItemStack itemstack = entityhuman.b(enumhand);
+ /* // Paper start
ItemStack itemstack1 = entityhuman.abilities.canInstantlyBuild ? itemstack.cloneItemStack() : itemstack.cloneAndSubtract(1);
world.a((EntityHuman) null, entityhuman.locX, entityhuman.locY, entityhuman.locZ, SoundEffects.ENTITY_SPLASH_POTION_THROW, SoundCategory.PLAYERS, 0.5F, 0.4F / (ItemSplashPotion.i.nextFloat() * 0.4F + 0.8F));
+ */ // Paper end
if (!world.isClientSide) {
EntityPotion entitypotion = new EntityPotion(world, entityhuman);
+ // Paper start - ensure stack count matches vanilla behavior without modifying original stack yet
+ ItemStack itemstack1 = itemstack.cloneItemStack();
+ if (!entityhuman.abilities.canInstantlyBuild) {
+ itemstack1.setCount(1);
+ }
+ // Paper end
entitypotion.setItem(itemstack1);
entitypotion.a(entityhuman, entityhuman.pitch, entityhuman.yaw, -20.0F, 0.5F, 1.0F);
- world.addEntity(entitypotion);
+ // Paper start
+ com.destroystokyo.paper.event.player.PlayerLaunchProjectileEvent event = new com.destroystokyo.paper.event.player.PlayerLaunchProjectileEvent((org.bukkit.entity.Player) entityhuman.getBukkitEntity(), org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(itemstack), (org.bukkit.entity.Projectile) entitypotion.getBukkitEntity());
+ if (event.callEvent() && world.addEntity(entitypotion)) {
+ if (event.shouldConsume() && !entityhuman.abilities.canInstantlyBuild) {
+ itemstack.subtract(1);
+ } else if (entityhuman instanceof EntityPlayer) {
+ ((EntityPlayer) entityhuman).getBukkitEntity().updateInventory();
+ }
+
+ world.a((EntityHuman) null, entityhuman.locX, entityhuman.locY, entityhuman.locZ, SoundEffects.ENTITY_SPLASH_POTION_THROW, SoundCategory.PLAYERS, 0.5F, 0.4F / (Entity.SHARED_RANDOM.nextFloat() * 0.4F + 0.8F));
+ } else {
+ if (entityhuman instanceof EntityPlayer) {
+ ((EntityPlayer) entityhuman).getBukkitEntity().updateInventory();
+ }
+ return new InteractionResultWrapper(EnumInteractionResult.FAIL, itemstack);
+ }
+ // Paper end
}
entityhuman.b(StatisticList.ITEM_USED.b(this));
--
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