From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Tue, 3 Jul 2018 21:56:23 -0400
Subject: [PATCH] InventoryCloseEvent Reason API

Allows you to determine why an inventory was closed, enabling plugin developers
to "confirm" things based on if it was player triggered close or not.

diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index d17808f6c565712dac31b0db7a4b6baed2dbdf21..8b28de5755ad4fe50903837700feed32e4530afd 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -1309,7 +1309,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
         for (net.minecraft.world.level.block.entity.BlockEntity tileentity : chunk.getBlockEntities().values()) {
             if (tileentity instanceof net.minecraft.world.Container) {
                 for (org.bukkit.entity.HumanEntity h : Lists.newArrayList(((net.minecraft.world.Container) tileentity).getViewers())) {
-                    h.closeInventory();
+                    h.closeInventory(org.bukkit.event.inventory.InventoryCloseEvent.Reason.UNLOADED); // Paper
                 }
             }
         }
@@ -2269,7 +2269,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
             // Spigot Start
             if (entity.getBukkitEntity() instanceof org.bukkit.inventory.InventoryHolder && (!(entity instanceof ServerPlayer) || entity.getRemovalReason() != Entity.RemovalReason.KILLED)) { // SPIGOT-6876: closeInventory clears death message
                 for (org.bukkit.entity.HumanEntity h : Lists.newArrayList(((org.bukkit.inventory.InventoryHolder) entity.getBukkitEntity()).getInventory().getViewers())) {
-                    h.closeInventory();
+                    h.closeInventory(org.bukkit.event.inventory.InventoryCloseEvent.Reason.UNLOADED); // Paper
                 }
             }
             // Spigot End
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 0e64cb9969453832c5d08b112cafb9ef835f9a2a..cd392d316f35ac488c49ad8c34c0273bbccc6a1c 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -633,7 +633,7 @@ public class ServerPlayer extends Player {
         }
         // Paper end
         if (!this.level.isClientSide && !this.containerMenu.stillValid(this)) {
-            this.closeContainer();
+            this.closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason.CANT_USE); // Paper
             this.containerMenu = this.inventoryMenu;
         }
 
@@ -826,7 +826,7 @@ public class ServerPlayer extends Player {
 
         // SPIGOT-943 - only call if they have an inventory open
         if (this.containerMenu != this.inventoryMenu) {
-            this.closeContainer();
+            this.closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason.DEATH); // Paper
         }
 
         net.kyori.adventure.text.Component deathMessage = event.deathMessage() != null ? event.deathMessage() : net.kyori.adventure.text.Component.empty(); // Paper - Adventure
@@ -1472,7 +1472,7 @@ public class ServerPlayer extends Player {
         }
         // CraftBukkit end
         if (this.containerMenu != this.inventoryMenu) {
-            this.closeContainer();
+            this.closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason.OPEN_NEW); // Paper
         }
 
         // this.nextContainerCounter(); // CraftBukkit - moved up
@@ -1500,7 +1500,13 @@ public class ServerPlayer extends Player {
 
     @Override
     public void closeContainer() {
-        CraftEventFactory.handleInventoryCloseEvent(this); // CraftBukkit
+        // Paper start
+        this.closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason.UNKNOWN);
+    }
+    @Override
+    public void closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason reason) {
+        CraftEventFactory.handleInventoryCloseEvent(this, reason); // CraftBukkit
+        // Paper end
         this.connection.send(new ClientboundContainerClosePacket(this.containerMenu.containerId));
         this.doCloseContainer();
     }
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 217961627f32d19e1b4ebe56d7132613fa613fe4..6c74c37f396459d25672b6ad7574393d8cc7c292 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -217,6 +217,7 @@ import org.bukkit.event.inventory.ClickType;
 import org.bukkit.event.inventory.CraftItemEvent;
 import org.bukkit.event.inventory.InventoryAction;
 import org.bukkit.event.inventory.InventoryClickEvent;
+import org.bukkit.event.inventory.InventoryCloseEvent; // Paper
 import org.bukkit.event.inventory.InventoryCreativeEvent;
 import org.bukkit.event.inventory.InventoryType.SlotType;
 import org.bukkit.event.inventory.SmithItemEvent;
@@ -2657,10 +2658,15 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
 
     @Override
     public void handleContainerClose(ServerboundContainerClosePacket packet) {
+        // Paper start
+        handleContainerClose(packet, InventoryCloseEvent.Reason.PLAYER);
+    }
+    public void handleContainerClose(ServerboundContainerClosePacket packet, InventoryCloseEvent.Reason reason) {
+        // Paper end
         PacketUtils.ensureRunningOnSameThread(packet, this, this.player.getLevel());
 
         if (this.player.isImmobile()) return; // CraftBukkit
-        CraftEventFactory.handleInventoryCloseEvent(this.player); // CraftBukkit
+        CraftEventFactory.handleInventoryCloseEvent(this.player, reason); // CraftBukkit // Paper
 
         this.player.doCloseContainer();
     }
diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index 216ad4d729d8996bb4f5bc696fd168f65b076994..0f33c4bf3cb52f192d5dfe8b55a72c7a5a2f9311 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -516,7 +516,7 @@ public abstract class PlayerList {
         // CraftBukkit start - Quitting must be before we do final save of data, in case plugins need to modify it
         // See SPIGOT-5799, SPIGOT-6145
         if (entityplayer.containerMenu != entityplayer.inventoryMenu) {
-            entityplayer.closeContainer();
+            entityplayer.closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason.DISCONNECT); // Paper
         }
 
         PlayerQuitEvent playerQuitEvent = new PlayerQuitEvent(entityplayer.getBukkitEntity(), net.kyori.adventure.text.Component.translatable("multiplayer.player.left", net.kyori.adventure.text.format.NamedTextColor.YELLOW, io.papermc.paper.configuration.GlobalConfiguration.get().messages.useDisplayNameInQuitMessage ? entityplayer.getBukkitEntity().displayName() : net.kyori.adventure.text.Component.text(entityplayer.getScoreboardName())));
diff --git a/src/main/java/net/minecraft/world/entity/player/Player.java b/src/main/java/net/minecraft/world/entity/player/Player.java
index 26709e64ffbe1a41516908e4b3fc9d21d4c0dff0..a46a6b76b6821be9d8983633cd0c6b9fa3aa349c 100644
--- a/src/main/java/net/minecraft/world/entity/player/Player.java
+++ b/src/main/java/net/minecraft/world/entity/player/Player.java
@@ -265,7 +265,7 @@ public abstract class Player extends LivingEntity {
         this.updateIsUnderwater();
         super.tick();
         if (!this.level.isClientSide && this.containerMenu != null && !this.containerMenu.stillValid(this)) {
-            this.closeContainer();
+            this.closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason.CANT_USE); // Paper
             this.containerMenu = this.inventoryMenu;
         }
 
@@ -488,6 +488,13 @@ public abstract class Player extends LivingEntity {
 
     }
 
+    // Paper start - unused code, but to keep signatures aligned
+    public void closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason reason) {
+        closeContainer();
+        this.containerMenu = this.inventoryMenu;
+    }
+    // Paper end
+
     public void closeContainer() {
         this.containerMenu = this.inventoryMenu;
     }
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java
index 7ea4a2d4e691e0a0a4d9ef3189a29a4a4ca4374b..883b6245f44f3fb82d7678e1092177ca646d484a 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java
@@ -377,7 +377,7 @@ public class CraftHumanEntity extends CraftLivingEntity implements HumanEntity {
         if (((ServerPlayer) this.getHandle()).connection == null) return;
         if (this.getHandle().containerMenu != this.getHandle().inventoryMenu) {
             // fire INVENTORY_CLOSE if one already open
-            ((ServerPlayer) this.getHandle()).connection.handleContainerClose(new ServerboundContainerClosePacket(this.getHandle().containerMenu.containerId));
+            ((ServerPlayer) this.getHandle()).connection.handleContainerClose(new ServerboundContainerClosePacket(this.getHandle().containerMenu.containerId), org.bukkit.event.inventory.InventoryCloseEvent.Reason.OPEN_NEW); // Paper
         }
         ServerPlayer player = (ServerPlayer) this.getHandle();
         AbstractContainerMenu container;
@@ -447,8 +447,14 @@ public class CraftHumanEntity extends CraftLivingEntity implements HumanEntity {
 
     @Override
     public void closeInventory() {
-        this.getHandle().closeContainer();
+        // Paper start
+        this.getHandle().closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason.PLUGIN);
     }
+    @Override
+    public void closeInventory(org.bukkit.event.inventory.InventoryCloseEvent.Reason reason) {
+        getHandle().closeContainer(reason);
+    }
+    // Paper end
 
     @Override
     public boolean isBlocking() {
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index bc8738811465d61e41580c5718d85c34e11b609b..5057a65e1f9b4f5646db83b4311636c963c39515 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -1161,7 +1161,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
 
         // Close any foreign inventory
         if (this.getHandle().containerMenu != this.getHandle().inventoryMenu) {
-            this.getHandle().closeContainer();
+            this.getHandle().closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason.TELEPORT); // Paper
         }
 
         // Check if the fromWorld and toWorld are the same.
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
index 90da45df46e344ffae6eda1efe9ed571b345acf9..21ca981fba9d93f83d12c38f12ed276cc3c3548f 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -1230,7 +1230,7 @@ public class CraftEventFactory {
 
     public static AbstractContainerMenu callInventoryOpenEvent(ServerPlayer player, AbstractContainerMenu container, boolean cancelled) {
         if (player.containerMenu != player.inventoryMenu) { // fire INVENTORY_CLOSE if one already open
-            player.connection.handleContainerClose(new ServerboundContainerClosePacket(player.containerMenu.containerId));
+            player.connection.handleContainerClose(new ServerboundContainerClosePacket(player.containerMenu.containerId), InventoryCloseEvent.Reason.OPEN_NEW); // Paper
         }
 
         CraftServer server = player.level.getCraftServer();
@@ -1396,8 +1396,18 @@ public class CraftEventFactory {
         return event;
     }
 
+    // Paper start
+    /**
+     * Incase plugins hooked into this or Spigot adds a new inventory close event. Prefer to pass a reason
+     * @param human
+     */
+    @Deprecated
     public static void handleInventoryCloseEvent(net.minecraft.world.entity.player.Player human) {
-        InventoryCloseEvent event = new InventoryCloseEvent(human.containerMenu.getBukkitView());
+        handleInventoryCloseEvent(human, org.bukkit.event.inventory.InventoryCloseEvent.Reason.UNKNOWN);
+    }
+    public static void handleInventoryCloseEvent(net.minecraft.world.entity.player.Player human, org.bukkit.event.inventory.InventoryCloseEvent.Reason reason) {
+        // Paper end
+        InventoryCloseEvent event = new InventoryCloseEvent(human.containerMenu.getBukkitView(), reason); // Paper
         human.level.getCraftServer().getPluginManager().callEvent(event);
         human.containerMenu.transferTo(human.inventoryMenu, human.getBukkitEntity());
     }
