Paper/patches/unapplied/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 256b9c6cbf52c252f8174d0aa74e1270fb092ae9..113dce44ce086272fe7f20a2007efadee142ff85 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -1235,7 +1235,7 @@ 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 - Inventory close reason
                 }
             }
         }
@@ -2204,7 +2204,7 @@ 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 - Inventory close reason
                 }
             }
             // 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 98d229fb8f342775482f2ed199265bda3f043a96..0b039c43bd3bd46f31477fc75585038270242de2 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -648,7 +648,7 @@ public class ServerPlayer extends Player {
         }
         // Paper end - Configurable container update tick rate
         if (!this.level().isClientSide && !this.containerMenu.stillValid(this)) {
-            this.closeContainer();
+            this.closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason.CANT_USE); // Paper - Inventory close reason
             this.containerMenu = this.inventoryMenu;
         }
 
@@ -841,7 +841,7 @@ 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 - Inventory close reason
         }
 
         net.kyori.adventure.text.Component deathMessage = event.deathMessage() != null ? event.deathMessage() : net.kyori.adventure.text.Component.empty(); // Paper - Adventure
@@ -1465,7 +1465,7 @@ 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 - Inventory close reason
         }
 
         // this.nextContainerCounter(); // CraftBukkit - moved up
@@ -1493,7 +1493,13 @@ public class ServerPlayer extends Player {
 
     @Override
     public void closeContainer() {
-        CraftEventFactory.handleInventoryCloseEvent(this); // CraftBukkit
+        // Paper start - Inventory close reason
+        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 - Inventory close reason
         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 6c3d907d2c4b512a4342646f9d01519cca10d87b..0217a40d7c22d31fa5f5046df6f0c64d8bb44442 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -2530,10 +2530,15 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
 
     @Override
     public void handleContainerClose(ServerboundContainerClosePacket packet) {
+        // Paper start - Inventory close reason
+        this.handleContainerClose(packet, org.bukkit.event.inventory.InventoryCloseEvent.Reason.PLAYER);
+    }
+    public void handleContainerClose(ServerboundContainerClosePacket packet, org.bukkit.event.inventory.InventoryCloseEvent.Reason reason) {
+        // Paper end - Inventory close reason
         PacketUtils.ensureRunningOnSameThread(packet, this, this.player.serverLevel());
 
         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 31f9d5b32a562cd33d8989810026d996b3ab69aa..2dac6be5b320d7c12aa70fd09d7d218b8cd89287 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -519,7 +519,7 @@ 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 - Inventory close reason
         }
 
         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() : io.papermc.paper.adventure.PaperAdventure.asAdventure(entityplayer.getDisplayName()))); // Paper - Adventure
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 c934c7614281f77376858909c86d9a1a73c8e174..83c7ba56900ce40f71d98062bf15110a76597dce 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 - Inventory close reason
             this.containerMenu = this.inventoryMenu;
         }
 
@@ -497,6 +497,13 @@ public abstract class Player extends LivingEntity {
 
     }
 
+    // Paper start - Inventory close reason; unused code, but to keep signatures aligned
+    public void closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason reason) {
+        closeContainer();
+        this.containerMenu = this.inventoryMenu;
+    }
+    // Paper end - Inventory close reason
+
     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 5d69945e6428c04a4b89c7469de905ed05d9dfc0..0886cb3367022c4ab7e4dbebafb70fc651bcb9aa 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java
@@ -379,7 +379,7 @@ 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 - Inventory close reason
         }
         ServerPlayer player = (ServerPlayer) this.getHandle();
         AbstractContainerMenu container;
@@ -449,8 +449,14 @@ public class CraftHumanEntity extends CraftLivingEntity implements HumanEntity {
 
     @Override
     public void closeInventory() {
-        this.getHandle().closeContainer();
+        // Paper start - Inventory close reason
+        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 - Inventory close reason
 
     @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 385b6df4695d924e0750e08a29f7741317ca5972..d06d26133e00eb47b6ac950bb4efbf4ac6fe9da5 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -1184,7 +1184,7 @@ 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 - Inventory close reason
         }
 
         // 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 203b6539c55b74484cff476b6472f44ed56112c9..2456857cfcb3dd258781067cd7ddbe18d5f68309 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -1264,7 +1264,7 @@ 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 - Inventory close reason
         }
 
         CraftServer server = player.level().getCraftServer();
@@ -1451,8 +1451,18 @@ 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());
     }