Paper/patches/server/0218-InventoryCloseEvent-Reason-API.patch

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 cf074ef0cb01bc2cbd8c529e7233ceb9443f764d..ca0907601c6262d27c3406cea806a40421bc4ace 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -1055,7 +1055,7 @@ public class ServerLevel extends net.minecraft.world.level.Level implements Worl
         for (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
                 }
             }
         }
@@ -1937,7 +1937,7 @@ public class ServerLevel extends net.minecraft.world.level.Level implements Worl
             // Spigot Start
             if (entity.getBukkitEntity() instanceof org.bukkit.inventory.InventoryHolder) {
                 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 7159a433e9a264d2151dddc84a74689d0bc7635b..171500918c8ee248689909ae97230eb18adc33e5 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -602,7 +602,7 @@ 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;
         }
 
@@ -754,7 +754,7 @@ 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
@@ -1341,7 +1341,7 @@ public class ServerPlayer extends Player {
             return OptionalInt.empty();
         } else {
             if (this.containerMenu != this.inventoryMenu) {
-                this.closeContainer();
+                this.closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason.OPEN_NEW); // Paper
             }
 
             this.nextContainerCounter();
@@ -1401,7 +1401,7 @@ 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
@@ -1430,7 +1430,13 @@ 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 35a00a622ff0c3582e08dbbefb1d34a84e590a81..ce88f701f296e67afc67d7e3882406e86147408e 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -188,6 +188,7 @@ 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;
@@ -2332,10 +2333,15 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
 
     @Override
     public void handleContainerClose(ServerboundContainerClosePacket packet) {
-        PacketUtils.ensureRunningOnSameThread(packet, this, this.player.getLevel());
+        // Paper start
+        handleContainerClose(packet, InventoryCloseEvent.Reason.PLAYER);
+    }
+    public void handleContainerClose(ServerboundContainerClosePacket packetplayinclosewindow, InventoryCloseEvent.Reason reason) {
+        // Paper end
+        PacketUtils.ensureRunningOnSameThread(packetplayinclosewindow, 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 429e6c7f9a5e5355e26deeae1e89ffea7439cd96..7c5a75fb34640bb4e7ef839412dbb30b0d0fc8e8 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -494,7 +494,7 @@ 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(this.cserver.getPlayer(entityplayer), net.kyori.adventure.text.Component.translatable("multiplayer.player.left", net.kyori.adventure.text.format.NamedTextColor.YELLOW, com.destroystokyo.paper.PaperConfig.useDisplayNameInQuit ? 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 0d6e024208182d5779be3d84cff193ce904ad541..e0e33dd92b686939f622f0a7da0d5a971f43d0d6 100644
--- a/src/main/java/net/minecraft/world/entity/player/Player.java
+++ b/src/main/java/net/minecraft/world/entity/player/Player.java
@@ -264,7 +264,7 @@ 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;
         }
 
@@ -487,6 +487,13 @@ 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 7f7322b5174a7580675b0607b0f282f7bf75a3e2..662a4cec1d292428f06ec5a1f862a1f8d8834c09 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java
@@ -373,7 +373,7 @@ 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;
@@ -443,8 +443,16 @@ public class CraftHumanEntity extends CraftLivingEntity implements HumanEntity {
 
     @Override
     public void closeInventory() {
-        this.getHandle().closeContainer();
+        this.getHandle().closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason.PLUGIN);
+        getHandle().closeContainer();
+        // Paper start
+        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 8df1894df3583840412ccc7ccdc4b23db6dd6265..f8155d7edb4e13c2ec5ed832231f02ee6eff3f35 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -908,7 +908,7 @@ 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 56900b5810db623a49559ad218a5385c110bf479..375e9e45331d5be237c67f11af94c6998409418b 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -1154,7 +1154,7 @@ 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();
@@ -1320,8 +1320,18 @@ 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());
     }