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papermc/Spigot-Server-Patches/0260-PlayerLaunchProjectileEvent.patch
Spottedleaf 2f782a6652 Updated Upstream (CraftBukkit) 
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:
17543ecf SPIGOT-5035: Error Using Virtual Merchant GUI
0fc6922b SPIGOT-5028: Villager#setVillagerExperience() doesn't work
bdbdbe44 SPIGOT-5024: Fox error - Unknown target reason
2019-06-06 16:56:51 +01:00

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From ff0114ea085f5753da939120866d8a07d463e9ff 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 2bdb65bf87..f526af45fb 100644
--- a/src/main/java/net/minecraft/server/ItemEgg.java
+++ b/src/main/java/net/minecraft/server/ItemEgg.java
@@ -10,17 +10,35 @@ 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 eb5f62dec2..e8e52d726e 100644
--- a/src/main/java/net/minecraft/server/ItemEnderPearl.java
+++ b/src/main/java/net/minecraft/server/ItemEnderPearl.java
@@ -16,7 +16,19 @@ 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();
}
@@ -24,13 +36,15 @@ 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 35f842ede5..eb626a6f05 100644
--- a/src/main/java/net/minecraft/server/ItemExpBottle.java
+++ b/src/main/java/net/minecraft/server/ItemExpBottle.java
@@ -9,18 +9,35 @@ 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 e3683bdaef..f3ad1cd6d3 100644
--- a/src/main/java/net/minecraft/server/ItemLingeringPotion.java
+++ b/src/main/java/net/minecraft/server/ItemLingeringPotion.java
@@ -9,15 +9,40 @@ 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 624989dd7b..c119785b78 100644
--- a/src/main/java/net/minecraft/server/ItemSnowball.java
+++ b/src/main/java/net/minecraft/server/ItemSnowball.java
@@ -23,15 +23,23 @@ 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 e267e43fe5..fa6d627db4 100644
--- a/src/main/java/net/minecraft/server/ItemSplashPotion.java
+++ b/src/main/java/net/minecraft/server/ItemSplashPotion.java
@@ -9,15 +9,39 @@ 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));
--
2.21.0
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