testserver/patches/server-remapped/0386-PlayerLaunchProjectileEvent.patch

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/world/InteractionResultHolder.java b/src/main/java/net/minecraft/world/InteractionResultHolder.java
index 3bc22b977e00c1901a9025112e354e59fcc08a74..c12e2a65d30ca22db0c522e4b245009bcc38c4f4 100644
--- a/src/main/java/net/minecraft/world/InteractionResultHolder.java
+++ b/src/main/java/net/minecraft/world/InteractionResultHolder.java
@@ -10,6 +10,7 @@ public class InteractionResultHolder<T> {
         this.object = value;
     }
 
+    public InteractionResult getResult() { return this.getResult(); } // Paper - OBFHELPER
     public InteractionResult getResult() {
         return this.result;
     }
diff --git a/src/main/java/net/minecraft/world/item/EggItem.java b/src/main/java/net/minecraft/world/item/EggItem.java
index d2c4241104343a2d2283c358ab2247e333cf0dbf..5d03dcaf79a14946934a6732c94a195d3d65c56d 100644
--- a/src/main/java/net/minecraft/world/item/EggItem.java
+++ b/src/main/java/net/minecraft/world/item/EggItem.java
@@ -25,21 +25,35 @@ public class EggItem extends Item {
 
             entityegg.setItem(itemstack);
             entityegg.shootFromRotation(user, user.xRot, user.yRot, 0.0F, 1.5F, 1.0F);
-            // CraftBukkit start
-            if (!world.addFreshEntity(entityegg)) {
+            // Paper start
+            com.destroystokyo.paper.event.player.PlayerLaunchProjectileEvent event = new com.destroystokyo.paper.event.player.PlayerLaunchProjectileEvent((org.bukkit.entity.Player) user.getBukkitEntity(), org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(itemstack), (org.bukkit.entity.Projectile) entityegg.getBukkitEntity());
+            if (event.callEvent() && world.addFreshEntity(entityegg)) {
+                if (event.shouldConsume() && !user.abilities.instabuild) {
+                    itemstack.shrink(1);
+                } else if (user instanceof net.minecraft.server.level.ServerPlayer) {
+                    ((net.minecraft.server.level.ServerPlayer) user).getBukkitEntity().updateInventory();
+                }
+
+                world.playSound((Player) null, user.getX(), user.getY(), user.getZ(), SoundEvents.EGG_THROW, SoundSource.PLAYERS, 0.5F, 0.4F / (net.minecraft.world.entity.Entity.SHARED_RANDOM.nextFloat() * 0.4F + 0.8F));
+                user.awardStat(Stats.ITEM_USED.get(this));
+            } else {
                 if (user instanceof net.minecraft.server.level.ServerPlayer) {
                     ((net.minecraft.server.level.ServerPlayer) user).getBukkitEntity().updateInventory();
                 }
-                return InteractionResultHolder.fail(itemstack);
+                return new InteractionResultHolder<ItemStack>(net.minecraft.world.InteractionResult.FAIL, itemstack);
             }
-            // CraftBukkit end
+            // Paper end
+
+
         }
         world.playSound((Player) null, user.getX(), user.getY(), user.getZ(), SoundEvents.EGG_THROW, SoundSource.PLAYERS, 0.5F, 0.4F / (EggItem.random.nextFloat() * 0.4F + 0.8F)); // CraftBukkit - from above
 
-        user.awardStat(Stats.ITEM_USED.get(this));
-        if (!user.abilities.instabuild) {
-            itemstack.shrink(1);
+        /* // Paper start - moved up
+        entityhuman.b(StatisticList.ITEM_USED.b(this));
+        if (!entityhuman.abilities.canInstantlyBuild) {
+            itemstack.subtract(1);
         }
+        */ // Paper end
 
         return InteractionResultHolder.sidedSuccess(itemstack, world.isClientSide());
     }
diff --git a/src/main/java/net/minecraft/world/item/EnderpearlItem.java b/src/main/java/net/minecraft/world/item/EnderpearlItem.java
index 347e95cc393e773de98b74e18cebbe05f612bdf6..a57c59b330766a2c784ddb7431719e9c1cc2fca8 100644
--- a/src/main/java/net/minecraft/world/item/EnderpearlItem.java
+++ b/src/main/java/net/minecraft/world/item/EnderpearlItem.java
@@ -25,22 +25,37 @@ public class EnderpearlItem extends Item {
 
             entityenderpearl.setItem(itemstack);
             entityenderpearl.shootFromRotation(user, user.xRot, user.yRot, 0.0F, 1.5F, 1.0F);
-            if (!world.addFreshEntity(entityenderpearl)) {
+            // Paper start
+                com.destroystokyo.paper.event.player.PlayerLaunchProjectileEvent event = new com.destroystokyo.paper.event.player.PlayerLaunchProjectileEvent((org.bukkit.entity.Player) user.getBukkitEntity(), org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(itemstack), (org.bukkit.entity.Projectile) entityenderpearl.getBukkitEntity());
+            if (event.callEvent() && world.addFreshEntity(entityenderpearl)) {
+                if (event.shouldConsume() && !user.abilities.instabuild) {
+                    itemstack.shrink(1);
+                } else if (user instanceof net.minecraft.server.level.ServerPlayer) {
+                    ((net.minecraft.server.level.ServerPlayer) user).getBukkitEntity().updateInventory();
+                }
+
+                world.playSound((Player) null, user.getX(), user.getY(), user.getZ(), SoundEvents.ENDER_PEARL_THROW, SoundSource.NEUTRAL, 0.5F, 0.4F / (net.minecraft.world.entity.Entity.SHARED_RANDOM.nextFloat() * 0.4F + 0.8F));
+                user.awardStat(Stats.ITEM_USED.get(this));
+                user.getCooldowns().addCooldown(this, 20);
+            } else {
+                // Paper end
                 if (user instanceof net.minecraft.server.level.ServerPlayer) {
                     ((net.minecraft.server.level.ServerPlayer) user).getBukkitEntity().updateInventory();
                 }
-                return InteractionResultHolder.fail(itemstack);
+                return new InteractionResultHolder<ItemStack>(net.minecraft.world.InteractionResult.FAIL, itemstack);
             }
         }
 
-        world.playSound((Player) null, user.getX(), user.getY(), user.getZ(), SoundEvents.ENDER_PEARL_THROW, SoundSource.NEUTRAL, 0.5F, 0.4F / (EnderpearlItem.random.nextFloat() * 0.4F + 0.8F));
-        user.getCooldowns().addCooldown(this, 20);
-        // CraftBukkit end
-
-        user.awardStat(Stats.ITEM_USED.get(this));
-        if (!user.abilities.instabuild) {
-            itemstack.shrink(1);
-        }
+        // Paper start - moved up
+//        world.playSound((EntityHuman) null, entityhuman.locX(), entityhuman.locY(), entityhuman.locZ(), SoundEffects.ENTITY_ENDER_PEARL_THROW, SoundCategory.NEUTRAL, 0.5F, 0.4F / (ItemEnderPearl.RANDOM.nextFloat() * 0.4F + 0.8F));
+//        entityhuman.getCooldownTracker().setCooldown(this, 20);
+//        // CraftBukkit end
+//
+//        entityhuman.b(StatisticList.ITEM_USED.b(this));
+//        if (!entityhuman.abilities.canInstantlyBuild) {
+//            itemstack.subtract(1);
+//        }
+        // Paper end - moved up
 
         return InteractionResultHolder.sidedSuccess(itemstack, world.isClientSide());
     }
diff --git a/src/main/java/net/minecraft/world/item/ExperienceBottleItem.java b/src/main/java/net/minecraft/world/item/ExperienceBottleItem.java
index 032c476892c58a873242b00ca71fe084c719dcaa..0bd65165eacf6a54cdcc348991cf9adb44077bee 100644
--- a/src/main/java/net/minecraft/world/item/ExperienceBottleItem.java
+++ b/src/main/java/net/minecraft/world/item/ExperienceBottleItem.java
@@ -1,10 +1,13 @@
 package net.minecraft.world.item;
 
+import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.sounds.SoundEvents;
 import net.minecraft.sounds.SoundSource;
 import net.minecraft.stats.Stats;
 import net.minecraft.world.InteractionHand;
+import net.minecraft.world.InteractionResult;
 import net.minecraft.world.InteractionResultHolder;
+import net.minecraft.world.entity.Entity;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.entity.projectile.ThrownExperienceBottle;
 import net.minecraft.world.level.Level;
@@ -24,19 +27,38 @@ public class ExperienceBottleItem extends Item {
     public InteractionResultHolder<ItemStack> use(Level world, Player user, InteractionHand hand) {
         ItemStack itemstack = user.getItemInHand(hand);
 
-        world.playSound((Player) null, user.getX(), user.getY(), user.getZ(), SoundEvents.EXPERIENCE_BOTTLE_THROW, SoundSource.NEUTRAL, 0.5F, 0.4F / (ExperienceBottleItem.random.nextFloat() * 0.4F + 0.8F));
+        //world.playSound((EntityHuman) null, entityhuman.locX(), entityhuman.locY(), entityhuman.locZ(), SoundEffects.ENTITY_EXPERIENCE_BOTTLE_THROW, SoundCategory.NEUTRAL, 0.5F, 0.4F / (ItemExpBottle.RANDOM.nextFloat() * 0.4F + 0.8F));  // Paper - moved down
         if (!world.isClientSide) {
             ThrownExperienceBottle entitythrownexpbottle = new ThrownExperienceBottle(world, user);
 
             entitythrownexpbottle.setItem(itemstack);
             entitythrownexpbottle.shootFromRotation(user, user.xRot, user.yRot, -20.0F, 0.7F, 1.0F);
-            world.addFreshEntity(entitythrownexpbottle);
+            // Paper start
+            com.destroystokyo.paper.event.player.PlayerLaunchProjectileEvent event = new com.destroystokyo.paper.event.player.PlayerLaunchProjectileEvent((org.bukkit.entity.Player) user.getBukkitEntity(), org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(itemstack), (org.bukkit.entity.Projectile) entitythrownexpbottle.getBukkitEntity());
+            if (event.callEvent() && world.addFreshEntity(entitythrownexpbottle)) {
+                if (event.shouldConsume() && !user.abilities.instabuild) {
+                    itemstack.shrink(1);
+                } else if (user instanceof ServerPlayer) {
+                    ((ServerPlayer) user).getBukkitEntity().updateInventory();
+                }
+
+                world.playSound((Player) null, user.getX(), user.getY(), user.getZ(), SoundEvents.EXPERIENCE_BOTTLE_THROW, SoundSource.NEUTRAL, 0.5F, 0.4F / (Entity.SHARED_RANDOM.nextFloat() * 0.4F + 0.8F));
+                user.awardStat(Stats.ITEM_USED.get(this));
+            } else {
+                if (user instanceof ServerPlayer) {
+                    ((ServerPlayer) user).getBukkitEntity().updateInventory();
+                }
+                    return new InteractionResultHolder<ItemStack>(InteractionResult.FAIL, itemstack);
+            }
+            // Paper end
         }
 
-        user.awardStat(Stats.ITEM_USED.get(this));
-        if (!user.abilities.instabuild) {
-            itemstack.shrink(1);
+        /* // Paper start - moved up
+        entityhuman.b(StatisticList.ITEM_USED.b(this));
+        if (!entityhuman.abilities.canInstantlyBuild) {
+            itemstack.subtract(1);
         }
+        */ // Paper end
 
         return InteractionResultHolder.sidedSuccess(itemstack, world.isClientSide());
     }
diff --git a/src/main/java/net/minecraft/world/item/FireworkRocketItem.java b/src/main/java/net/minecraft/world/item/FireworkRocketItem.java
index 28cffbe299acccc59c34d5dbd2cf458704be5ee5..4a70582bada607e1efcd826d58d725a0cc95e3c3 100644
--- a/src/main/java/net/minecraft/world/item/FireworkRocketItem.java
+++ b/src/main/java/net/minecraft/world/item/FireworkRocketItem.java
@@ -3,6 +3,7 @@ package net.minecraft.world.item;
 import java.util.Arrays;
 import java.util.Comparator;
 import net.minecraft.core.Direction;
+import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.world.InteractionHand;
 import net.minecraft.world.InteractionResult;
 import net.minecraft.world.InteractionResultHolder;
@@ -29,8 +30,12 @@ public class FireworkRocketItem extends Item {
             FireworkRocketEntity entityfireworks = new FireworkRocketEntity(world, context.getPlayer(), vec3d.x + (double) enumdirection.getStepX() * 0.15D, vec3d.y + (double) enumdirection.getStepY() * 0.15D, vec3d.z + (double) enumdirection.getStepZ() * 0.15D, itemstack);
             entityfireworks.spawningEntity = context.getPlayer().getUUID(); // Paper
 
-            world.addFreshEntity(entityfireworks);
-            itemstack.shrink(1);
+            // Paper start - PlayerLaunchProjectileEvent
+            com.destroystokyo.paper.event.player.PlayerLaunchProjectileEvent event = new com.destroystokyo.paper.event.player.PlayerLaunchProjectileEvent((org.bukkit.entity.Player) context.getPlayer().getBukkitEntity(), org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(itemstack), (org.bukkit.entity.Firework) entityfireworks.getBukkitEntity());
+            if (!event.callEvent() || !world.addFreshEntity(entityfireworks)) return InteractionResult.PASS;
+            if (event.shouldConsume() && !context.getPlayer().abilities.instabuild) itemstack.shrink(1);
+            else if (context.getPlayer() instanceof ServerPlayer) ((ServerPlayer) context.getPlayer()).getBukkitEntity().updateInventory();
+            // Paper end
         }
 
         return InteractionResult.sidedSuccess(world.isClientSide);
@@ -50,9 +55,9 @@ public class FireworkRocketItem extends Item {
                 if (event.callEvent() && world.addFreshEntity(entityfireworks)) {
                     if (event.shouldConsume() && !user.abilities.instabuild) {
                         itemstack.shrink(1);
-                    } else ((EntityPlayer) user).getBukkitEntity().updateInventory();
-                } else if (user instanceof EntityPlayer) {
-                    ((EntityPlayer) user).getBukkitEntity().updateInventory();
+                    } else ((ServerPlayer) user).getBukkitEntity().updateInventory();
+                } else if (user instanceof ServerPlayer) {
+                    ((ServerPlayer) user).getBukkitEntity().updateInventory();
                 }
                 // Paper end
             }
diff --git a/src/main/java/net/minecraft/world/item/LingeringPotionItem.java b/src/main/java/net/minecraft/world/item/LingeringPotionItem.java
index 813a9c8464e253b9baa15af666111be104b4aa29..1957561f83645a57df5925b4b0b54153ebf4aeef 100644
--- a/src/main/java/net/minecraft/world/item/LingeringPotionItem.java
+++ b/src/main/java/net/minecraft/world/item/LingeringPotionItem.java
@@ -3,6 +3,7 @@ package net.minecraft.world.item;
 import net.minecraft.sounds.SoundEvents;
 import net.minecraft.sounds.SoundSource;
 import net.minecraft.world.InteractionHand;
+import net.minecraft.world.InteractionResult;
 import net.minecraft.world.InteractionResultHolder;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.level.Level;
@@ -15,7 +16,12 @@ public class LingeringPotionItem extends ThrowablePotionItem {
 
     @Override
     public InteractionResultHolder<ItemStack> use(Level world, Player user, InteractionHand hand) {
-        world.playSound((Player) null, user.getX(), user.getY(), user.getZ(), SoundEvents.LINGERING_POTION_THROW, SoundSource.NEUTRAL, 0.5F, 0.4F / (LingeringPotionItem.random.nextFloat() * 0.4F + 0.8F));
-        return super.use(world, user, hand);
+        // Paper start
+        InteractionResultHolder<ItemStack> wrapper = super.use(world, user, hand);
+        if (wrapper.getResult() != InteractionResult.FAIL) {
+            world.playSound((Player) null, user.getX(), user.getY(), user.getZ(), SoundEvents.LINGERING_POTION_THROW, SoundSource.NEUTRAL, 0.5F, 0.4F / (LingeringPotionItem.random.nextFloat() * 0.4F + 0.8F));
+        }
+        return wrapper;
+        // Paper end
     }
 }
diff --git a/src/main/java/net/minecraft/world/item/SnowballItem.java b/src/main/java/net/minecraft/world/item/SnowballItem.java
index 50adbfc5d57b2b5f25c0efdc51da1701197c66e6..b053d105a1513a6b138972cdb9d28116fc6b8c81 100644
--- a/src/main/java/net/minecraft/world/item/SnowballItem.java
+++ b/src/main/java/net/minecraft/world/item/SnowballItem.java
@@ -26,14 +26,20 @@ public class SnowballItem extends Item {
 
             entitysnowball.setItem(itemstack);
             entitysnowball.shootFromRotation(user, user.xRot, user.yRot, 0.0F, 1.5F, 1.0F);
-            if (world.addFreshEntity(entitysnowball)) {
-                if (!user.abilities.instabuild) {
+            // Paper start
+            com.destroystokyo.paper.event.player.PlayerLaunchProjectileEvent event = new com.destroystokyo.paper.event.player.PlayerLaunchProjectileEvent((org.bukkit.entity.Player) user.getBukkitEntity(), org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(itemstack), (org.bukkit.entity.Projectile) entitysnowball.getBukkitEntity());
+            if (event.callEvent() && world.addFreshEntity(entitysnowball)) {
+                if (event.shouldConsume() && !user.abilities.instabuild) {
+                    // Paper end
                     itemstack.shrink(1);
+                } else if (user instanceof net.minecraft.server.level.ServerPlayer) {  // Paper
+                    ((net.minecraft.server.level.ServerPlayer) user).getBukkitEntity().updateInventory();  // Paper
                 }
 
                 world.playSound((Player) null, user.getX(), user.getY(), user.getZ(), SoundEvents.SNOWBALL_THROW, SoundSource.NEUTRAL, 0.5F, 0.4F / (SnowballItem.random.nextFloat() * 0.4F + 0.8F));
-            } else if (user instanceof net.minecraft.server.level.ServerPlayer) {
-                ((net.minecraft.server.level.ServerPlayer) user).getBukkitEntity().updateInventory();
+            } else { // Paper
+                if (user instanceof net.minecraft.server.level.ServerPlayer) ((net.minecraft.server.level.ServerPlayer) user).getBukkitEntity().updateInventory(); // Paper
+                return new InteractionResultHolder<ItemStack>(net.minecraft.world.InteractionResult.FAIL, itemstack); // Paper
             }
         }
         // CraftBukkit end
diff --git a/src/main/java/net/minecraft/world/item/SplashPotionItem.java b/src/main/java/net/minecraft/world/item/SplashPotionItem.java
index 9c7547988fe90e9b87868636a1c1a7b4dff32622..6d3ab7fea3b5ebba4c304cdec5dd36dbea31f2c6 100644
--- a/src/main/java/net/minecraft/world/item/SplashPotionItem.java
+++ b/src/main/java/net/minecraft/world/item/SplashPotionItem.java
@@ -3,6 +3,7 @@ package net.minecraft.world.item;
 import net.minecraft.sounds.SoundEvents;
 import net.minecraft.sounds.SoundSource;
 import net.minecraft.world.InteractionHand;
+import net.minecraft.world.InteractionResult;
 import net.minecraft.world.InteractionResultHolder;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.level.Level;
@@ -15,7 +16,12 @@ public class SplashPotionItem extends ThrowablePotionItem {
 
     @Override
     public InteractionResultHolder<ItemStack> use(Level world, Player user, InteractionHand hand) {
+        // Paper start
+        InteractionResultHolder<ItemStack> wrapper = super.use(world, user, hand);
+        if (wrapper.getResult() != InteractionResult.FAIL) {
         world.playSound((Player) null, user.getX(), user.getY(), user.getZ(), SoundEvents.SPLASH_POTION_THROW, SoundSource.PLAYERS, 0.5F, 0.4F / (SplashPotionItem.random.nextFloat() * 0.4F + 0.8F));
-        return super.use(world, user, hand);
+        }
+        return wrapper;
+        // Paper end
     }
 }
diff --git a/src/main/java/net/minecraft/world/item/ThrowablePotionItem.java b/src/main/java/net/minecraft/world/item/ThrowablePotionItem.java
index 3615bc9222db4489189537f7f5d7a7d338053d6d..e12c7ebc0a4ff4f132512dc1677db7f79db41b03 100644
--- a/src/main/java/net/minecraft/world/item/ThrowablePotionItem.java
+++ b/src/main/java/net/minecraft/world/item/ThrowablePotionItem.java
@@ -1,7 +1,9 @@
 package net.minecraft.world.item;
 
+import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.stats.Stats;
 import net.minecraft.world.InteractionHand;
+import net.minecraft.world.InteractionResult;
 import net.minecraft.world.InteractionResultHolder;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.entity.projectile.ThrownPotion;
@@ -22,13 +24,31 @@ public class ThrowablePotionItem extends PotionItem {
 
             entitypotion.setItem(itemstack);
             entitypotion.shootFromRotation(user, user.xRot, user.yRot, -20.0F, 0.5F, 1.0F);
-            world.addFreshEntity(entitypotion);
+            // Paper start
+            com.destroystokyo.paper.event.player.PlayerLaunchProjectileEvent event = new com.destroystokyo.paper.event.player.PlayerLaunchProjectileEvent((org.bukkit.entity.Player) user.getBukkitEntity(), org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(itemstack), (org.bukkit.entity.Projectile) entitypotion.getBukkitEntity());
+            if (event.callEvent() && world.addFreshEntity(entitypotion)) {
+                if (event.shouldConsume() && !user.abilities.instabuild) {
+                    itemstack.shrink(1);
+                } else if (user instanceof ServerPlayer) {
+                    ((ServerPlayer) user).getBukkitEntity().updateInventory();
+                }
+
+                user.awardStat(Stats.ITEM_USED.get(this));
+            } else {
+                if (user instanceof ServerPlayer) {
+                    ((ServerPlayer) user).getBukkitEntity().updateInventory();
+                }
+                    return new InteractionResultHolder<ItemStack>(InteractionResult.FAIL, itemstack);
+            }
+            // Paper end
         }
 
-        user.awardStat(Stats.ITEM_USED.get(this));
-        if (!user.abilities.instabuild) {
-            itemstack.shrink(1);
+        /* // Paper start - moved up
+        entityhuman.b(StatisticList.ITEM_USED.b(this));
+        if (!entityhuman.abilities.canInstantlyBuild) {
+            itemstack.subtract(1);
         }
+        */ // Paper end
 
         return InteractionResultHolder.sidedSuccess(itemstack, world.isClientSide());
     }