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Paper/patches/server/0435-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, Grindstone and Smithing now extend this event
diff --git a/src/main/java/net/minecraft/world/inventory/AnvilMenu.java b/src/main/java/net/minecraft/world/inventory/AnvilMenu.java
index d15f01f5a4f14d25ded9de015c70cbc7977a6a77..e0c3a4ba27e21c3692e601acd0af60873bcbb84c 100644
--- a/src/main/java/net/minecraft/world/inventory/AnvilMenu.java
+++ b/src/main/java/net/minecraft/world/inventory/AnvilMenu.java
@@ -338,6 +338,7 @@ public class AnvilMenu extends ItemCombinerMenu {
}
this.createResult();
+ org.bukkit.craftbukkit.event.CraftEventFactory.callPrepareResultEvent(this, RESULT_SLOT); // Paper
return true;
} else {
return false;
diff --git a/src/main/java/net/minecraft/world/inventory/CartographyTableMenu.java b/src/main/java/net/minecraft/world/inventory/CartographyTableMenu.java
index fe1ce65b35e83ee0ada77e44b080729346bb3c2d..819187dbcf468d9278ce33bd97688476aab53f8e 100644
--- a/src/main/java/net/minecraft/world/inventory/CartographyTableMenu.java
+++ b/src/main/java/net/minecraft/world/inventory/CartographyTableMenu.java
@@ -150,6 +150,7 @@ public class CartographyTableMenu extends AbstractContainerMenu {
this.setupResultSlot(itemstack, itemstack1, itemstack2);
}
+ org.bukkit.craftbukkit.event.CraftEventFactory.callPrepareResultEvent(this, RESULT_SLOT); // Paper
}
private void setupResultSlot(ItemStack map, ItemStack item, ItemStack oldResult) {
diff --git a/src/main/java/net/minecraft/world/inventory/GrindstoneMenu.java b/src/main/java/net/minecraft/world/inventory/GrindstoneMenu.java
index 2c263447aa8853f18d1c1d476b49a47f6e9ca2ad..03d3edadf39d4871a332808458870ea9479669c4 100644
--- a/src/main/java/net/minecraft/world/inventory/GrindstoneMenu.java
+++ b/src/main/java/net/minecraft/world/inventory/GrindstoneMenu.java
@@ -159,6 +159,7 @@ public class GrindstoneMenu extends AbstractContainerMenu {
super.slotsChanged(inventory);
if (inventory == this.repairSlots) {
this.createResult();
+ org.bukkit.craftbukkit.event.CraftEventFactory.callPrepareResultEvent(this, RESULT_SLOT); // Paper
}
}
diff --git a/src/main/java/net/minecraft/world/inventory/ItemCombinerMenu.java b/src/main/java/net/minecraft/world/inventory/ItemCombinerMenu.java
index 4087e381b2250be387b608d8742f6a6009a52879..ff770b9ce68a62418de0c7ed389650626fa1dcb2 100644
--- a/src/main/java/net/minecraft/world/inventory/ItemCombinerMenu.java
+++ b/src/main/java/net/minecraft/world/inventory/ItemCombinerMenu.java
@@ -110,6 +110,7 @@ public abstract class ItemCombinerMenu extends AbstractContainerMenu {
super.slotsChanged(inventory);
if (inventory == this.inputSlots) {
this.createResult();
+ org.bukkit.craftbukkit.event.CraftEventFactory.callPrepareResultEvent(this, this instanceof SmithingMenu ? 3 : 2); // Paper
}
}
diff --git a/src/main/java/net/minecraft/world/inventory/LoomMenu.java b/src/main/java/net/minecraft/world/inventory/LoomMenu.java
index edc8da447a531cec3a0590ee39811f0949ca7dda..c4766df6d64b484375e5e3474e97dee196c0fef4 100644
--- a/src/main/java/net/minecraft/world/inventory/LoomMenu.java
+++ b/src/main/java/net/minecraft/world/inventory/LoomMenu.java
@@ -248,7 +248,8 @@ public class LoomMenu extends AbstractContainerMenu {
this.resultSlot.set(ItemStack.EMPTY);
}
- this.broadcastChanges();
+ // this.broadcastChanges(); // Paper - done below
+ org.bukkit.craftbukkit.event.CraftEventFactory.callPrepareResultEvent(this, 3); // Paper
} else {
this.resultSlot.set(ItemStack.EMPTY);
this.selectablePatterns = List.of();
diff --git a/src/main/java/net/minecraft/world/inventory/SmithingMenu.java b/src/main/java/net/minecraft/world/inventory/SmithingMenu.java
index c63250e04cf7ea5ec2067438735b53e83d851a31..947f7f7e87534872660442947bb24ef5a806a972 100644
--- a/src/main/java/net/minecraft/world/inventory/SmithingMenu.java
+++ b/src/main/java/net/minecraft/world/inventory/SmithingMenu.java
@@ -114,6 +114,7 @@ public class SmithingMenu extends ItemCombinerMenu {
}
}
+ org.bukkit.craftbukkit.event.CraftEventFactory.callPrepareResultEvent(this, RESULT_SLOT); // Paper
}
@Override
diff --git a/src/main/java/net/minecraft/world/inventory/StonecutterMenu.java b/src/main/java/net/minecraft/world/inventory/StonecutterMenu.java
index 8734a129244271b370f965fcbf488a14ce04684a..00f01ab2eff69c18b50ec07b7623af66c66a28b6 100644
--- a/src/main/java/net/minecraft/world/inventory/StonecutterMenu.java
+++ b/src/main/java/net/minecraft/world/inventory/StonecutterMenu.java
@@ -180,6 +180,7 @@ public class StonecutterMenu extends AbstractContainerMenu {
this.setupRecipeList(inventory, itemstack);
}
+ org.bukkit.craftbukkit.event.CraftEventFactory.callPrepareResultEvent(this, RESULT_SLOT); // Paper
}
private void setupRecipeList(Container input, ItemStack stack) {
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
index 10eb0eed4bf0cc93e4e32c282735c2863f10837c..7dc806760dbb26befde605d991d57660862484a1 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -1667,26 +1667,53 @@ 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); // Paper - disable event
event.getInventory().setItem(2, event.getResult());
- return event;
+ //return event; // Paper
}
+ // Paper end
- public static PrepareGrindstoneEvent callPrepareGrindstoneEvent(InventoryView view, ItemStack item) {
- PrepareGrindstoneEvent event = new PrepareGrindstoneEvent(view, CraftItemStack.asCraftMirror(item).clone());
- event.getView().getPlayer().getServer().getPluginManager().callEvent(event);
+ // Paper start - disable this method, handled below
+ public static void callPrepareGrindstoneEvent(InventoryView view, ItemStack item) {
+ PrepareGrindstoneEvent event = new PrepareGrindstoneEvent(view, CraftItemStack.asCraftMirror(item)); // Paper - remove clone
+ // event.getView().getPlayer().getServer().getPluginManager().callEvent(event); // Paper - disable event
event.getInventory().setItem(2, event.getResult());
- return event;
+ // return event; // Paper
}
+ // Paper end
- public static PrepareSmithingEvent callPrepareSmithingEvent(InventoryView view, ItemStack item) {
- PrepareSmithingEvent event = new PrepareSmithingEvent(view, CraftItemStack.asCraftMirror(item).clone());
- event.getView().getPlayer().getServer().getPluginManager().callEvent(event);
+ // Paper start - disable this method, handled in callPrepareResultEvent
+ public static void callPrepareSmithingEvent(InventoryView view, ItemStack item) { // Paper - verify nothing uses return - handled below in PrepareResult
+ PrepareSmithingEvent event = new PrepareSmithingEvent(view, CraftItemStack.asCraftMirror(item)); // Paper - remove clone
+ //event.getView().getPlayer().getServer().getPluginManager().callEvent(event); // Paper - disable event
event.getInventory().setResult(event.getResult());
- return event;
+ //return event; // Paper
}
+ // Paper end
+
+ // Paper start - support specific overrides for prepare result
+ public static void callPrepareResultEvent(AbstractContainerMenu 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 PrepareGrindstoneEvent(view, result);
+ } else if (view.getTopInventory() instanceof org.bukkit.inventory.SmithingInventory) {
+ event = new PrepareSmithingEvent(view, result);
+ } else {
+ event = new com.destroystokyo.paper.event.inventory.PrepareResultEvent(view, result);
+ }
+ event.callEvent();
+ event.getInventory().setItem(resultSlot, event.getResult());
+ container.broadcastChanges();;
+ }
+ // Paper end
/**
* Mob spawner event.
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