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Paper/Spigot-Server-Patches/0536-Add-PrepareResultEvent.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Fri, 3 Jul 2020 11:58:56 -0500
Subject: [PATCH] Add PrepareResultEvent
Adds a new event for all crafting stations that generate a result slot item
Anvil and Grindstone now extend this event
diff --git a/src/main/java/net/minecraft/server/Container.java b/src/main/java/net/minecraft/server/Container.java
index 4effcc860f9b1cf9f13f4c6ae02a6b16df459259..268bedd042b651514aa94b735876de9c40bae56f 100644
--- a/src/main/java/net/minecraft/server/Container.java
+++ b/src/main/java/net/minecraft/server/Container.java
@@ -126,6 +126,7 @@ public abstract class Container {
return nonnulllist;
}
+ public void notifyListeners() { this.c(); } // Paper - OBFHELPER
public void c() {
int i;
diff --git a/src/main/java/net/minecraft/server/ContainerAnvil.java b/src/main/java/net/minecraft/server/ContainerAnvil.java
index 24631b2bcb2a1d057c1fb6596ff401133c8b548a..fc2038df89f25c07f6f853f6df41fe9b203c3585 100644
--- a/src/main/java/net/minecraft/server/ContainerAnvil.java
+++ b/src/main/java/net/minecraft/server/ContainerAnvil.java
@@ -294,6 +294,7 @@ public class ContainerAnvil extends ContainerAnvilAbstract {
}
this.e();
+ org.bukkit.craftbukkit.event.CraftEventFactory.callPrepareResultEvent(this, 2); // Paper
}
// CraftBukkit start
diff --git a/src/main/java/net/minecraft/server/ContainerAnvilAbstract.java b/src/main/java/net/minecraft/server/ContainerAnvilAbstract.java
index 2029d4dd9a2abe693c34723c379009578ab52503..ad9f234c4862d78b5a8e547aa8bb6528497de236 100644
--- a/src/main/java/net/minecraft/server/ContainerAnvilAbstract.java
+++ b/src/main/java/net/minecraft/server/ContainerAnvilAbstract.java
@@ -65,6 +65,7 @@ public abstract class ContainerAnvilAbstract extends Container {
super.a(iinventory);
if (iinventory == this.repairInventory) {
this.e();
+ org.bukkit.craftbukkit.event.CraftEventFactory.callPrepareResultEvent(this, 2); // Paper
}
}
diff --git a/src/main/java/net/minecraft/server/ContainerCartography.java b/src/main/java/net/minecraft/server/ContainerCartography.java
index 91e1372952f07087f51b22f1c53f63d2cf2f40fc..79d328786f2e9ba386cb297bb8e7ec0ec3228a65 100644
--- a/src/main/java/net/minecraft/server/ContainerCartography.java
+++ b/src/main/java/net/minecraft/server/ContainerCartography.java
@@ -154,6 +154,7 @@ public class ContainerCartography extends Container {
this.a(itemstack, itemstack1, itemstack2);
}
+ org.bukkit.craftbukkit.event.CraftEventFactory.callPrepareResultEvent(this, 2); // Paper
}
private void a(ItemStack itemstack, ItemStack itemstack1, ItemStack itemstack2) {
diff --git a/src/main/java/net/minecraft/server/ContainerGrindstone.java b/src/main/java/net/minecraft/server/ContainerGrindstone.java
index fe9a083b724a8657cac8462b3f44d3cc12a4db58..39f809a37b58e008e7ef32c0759eeecbde26bc94 100644
--- a/src/main/java/net/minecraft/server/ContainerGrindstone.java
+++ b/src/main/java/net/minecraft/server/ContainerGrindstone.java
@@ -144,6 +144,7 @@ public class ContainerGrindstone extends Container {
super.a(iinventory);
if (iinventory == this.craftInventory) {
this.e();
+ org.bukkit.craftbukkit.event.CraftEventFactory.callPrepareResultEvent(this, 2); // Paper
}
}
diff --git a/src/main/java/net/minecraft/server/ContainerLoom.java b/src/main/java/net/minecraft/server/ContainerLoom.java
index 9490f74ee426e162844432073b3d78a2b6cddb32..1fe21ca13a1eecb64cb2d3f4f18993e181d26ae2 100644
--- a/src/main/java/net/minecraft/server/ContainerLoom.java
+++ b/src/main/java/net/minecraft/server/ContainerLoom.java
@@ -174,7 +174,8 @@ public class ContainerLoom extends Container {
}
this.j();
- this.c();
+ //this.c(); // Paper - done below
+ org.bukkit.craftbukkit.event.CraftEventFactory.callPrepareResultEvent(this, 3); // Paper
}
@Override
diff --git a/src/main/java/net/minecraft/server/ContainerSmithing.java b/src/main/java/net/minecraft/server/ContainerSmithing.java
index 76a81b30fa9e53952202c61717231d68d7be8e71..80a98e10df3f880b77c4dc99c9b871a2362f50cd 100644
--- a/src/main/java/net/minecraft/server/ContainerSmithing.java
+++ b/src/main/java/net/minecraft/server/ContainerSmithing.java
@@ -65,6 +65,7 @@ public class ContainerSmithing extends ContainerAnvilAbstract {
this.resultInventory.setItem(0, itemstack);
}
+ org.bukkit.craftbukkit.event.CraftEventFactory.callPrepareResultEvent(this, 2); // Paper
}
@Override
diff --git a/src/main/java/net/minecraft/server/ContainerStonecutter.java b/src/main/java/net/minecraft/server/ContainerStonecutter.java
index 270bf7f3e6ca15891419f1ce3e88d9aff094bee6..a235f6406dc06ceafea6fbe429bf595da2fea07c 100644
--- a/src/main/java/net/minecraft/server/ContainerStonecutter.java
+++ b/src/main/java/net/minecraft/server/ContainerStonecutter.java
@@ -133,6 +133,7 @@ public class ContainerStonecutter extends Container {
this.a(iinventory, itemstack);
}
+ org.bukkit.craftbukkit.event.CraftEventFactory.callPrepareResultEvent(this, 1); // Paper
}
private void a(IInventory iinventory, ItemStack itemstack) {
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
index 6c5036b23a41769167fd53b8cc5454e5e747598e..dbc46fcda3f3e006d9e7b7a89ab942b46a05cd9f 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -1548,12 +1548,33 @@ public class CraftEventFactory {
return event;
}
- public static PrepareAnvilEvent callPrepareAnvilEvent(InventoryView view, ItemStack item) {
- PrepareAnvilEvent event = new PrepareAnvilEvent(view, CraftItemStack.asCraftMirror(item).clone());
- event.getView().getPlayer().getServer().getPluginManager().callEvent(event);
+ // Paper start - disable this method, handled below
+ public static void callPrepareAnvilEvent(InventoryView view, ItemStack item) { // Paper - verify nothing uses return - handled below in PrepareResult
+ PrepareAnvilEvent event = new PrepareAnvilEvent(view, CraftItemStack.asCraftMirror(item)); // Paper - remove clone
+ //event.getView().getPlayer().getServer().getPluginManager().callEvent(event); // disable event
event.getInventory().setItem(2, event.getResult());
- return event;
+ //return event; // Paper
}
+ // Paper end
+
+ // Paper start - support specific overrides for prepare result
+ public static void callPrepareResultEvent(net.minecraft.server.Container container, int resultSlot) {
+ com.destroystokyo.paper.event.inventory.PrepareResultEvent event;
+ InventoryView view = container.getBukkitView();
+ org.bukkit.inventory.ItemStack origItem = view.getTopInventory().getItem(resultSlot);
+ CraftItemStack result = origItem != null ? CraftItemStack.asCraftCopy(origItem) : null;
+ if (view.getTopInventory() instanceof org.bukkit.inventory.AnvilInventory) {
+ event = new PrepareAnvilEvent(view, result);
+ } else if (view.getTopInventory() instanceof org.bukkit.inventory.GrindstoneInventory) {
+ event = new com.destroystokyo.paper.event.inventory.PrepareGrindstoneEvent(view, result);
+ } else {
+ event = new com.destroystokyo.paper.event.inventory.PrepareResultEvent(view, result);
+ }
+ event.callEvent();
+ event.getInventory().setItem(resultSlot, event.getResult());
+ container.notifyListeners();
+ }
+ // Paper end
/**
* Mob spawner event.
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