Simple implementation of a Open/Close container event (#3017)

patches/minecraft/net/minecraft/entity/player/EntityPlayerMP.java.patch

@@ -73,7 +73,39 @@
          {
              BlockPos blockpos1 = blockpos.func_177977_b();
              IBlockState iblockstate1 = this.field_70170_p.func_180495_p(blockpos1);
-@@ -921,6 +937,7 @@
+@@ -740,6 +756,7 @@
+             this.field_71070_bA = p_180468_1_.func_174876_a(this.field_71071_by, this);
+             this.field_71070_bA.field_75152_c = this.field_71139_cq;
+             this.field_71070_bA.func_75132_a(this);
++            net.minecraftforge.common.MinecraftForge.EVENT_BUS.post(new net.minecraftforge.event.entity.player.PlayerContainerEvent.Open(this, this.field_71070_bA));
+         }
+     }
+ 
+@@ -783,6 +800,7 @@
+ 
+             this.field_71070_bA.field_75152_c = this.field_71139_cq;
+             this.field_71070_bA.func_75132_a(this);
++            net.minecraftforge.common.MinecraftForge.EVENT_BUS.post(new net.minecraftforge.event.entity.player.PlayerContainerEvent.Open(this, this.field_71070_bA));
+         }
+     }
+ 
+@@ -792,6 +810,7 @@
+         this.field_71070_bA = new ContainerMerchant(this.field_71071_by, p_180472_1_, this.field_70170_p);
+         this.field_71070_bA.field_75152_c = this.field_71139_cq;
+         this.field_71070_bA.func_75132_a(this);
++        net.minecraftforge.common.MinecraftForge.EVENT_BUS.post(new net.minecraftforge.event.entity.player.PlayerContainerEvent.Open(this, this.field_71070_bA));
+         IInventory iinventory = ((ContainerMerchant)this.field_71070_bA).func_75174_d();
+         ITextComponent itextcomponent = p_180472_1_.func_145748_c_();
+         this.field_71135_a.func_147359_a(new SPacketOpenWindow(this.field_71139_cq, "minecraft:villager", itextcomponent, iinventory.func_70302_i_()));
+@@ -890,6 +909,7 @@
+     public void func_71128_l()
+     {
+         this.field_71070_bA.func_75134_a(this);
++        net.minecraftforge.common.MinecraftForge.EVENT_BUS.post(new net.minecraftforge.event.entity.player.PlayerContainerEvent.Close(this, this.field_71070_bA));
+         this.field_71070_bA = this.field_71069_bz;
+     }
+ 
+@@ -921,6 +941,7 @@
      {
          if (p_71064_1_ != null)
          {

src/main/java/net/minecraftforge/event/entity/player/PlayerContainerEvent.java

@@ -0,0 +1,53 @@
+/*
+ * Minecraft Forge
+ * Copyright (c) 2016.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation version 2.1
+ * of the License.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+package net.minecraftforge.event.entity.player;
+
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.inventory.Container;
+
+public class PlayerContainerEvent extends PlayerEvent
+{
+    private final Container container;
+    public PlayerContainerEvent(EntityPlayer player, Container container)
+    {
+        super(player);
+        this.container = container;
+    }
+
+    public static class Open extends PlayerContainerEvent
+    {
+        public Open(EntityPlayer player, Container container)
+        {
+            super(player, container);
+        }
+    }
+    public static class Close extends PlayerContainerEvent
+    {
+        public Close(EntityPlayer player, Container container)
+        {
+            super(player, container);
+        }
+    }
+
+    public Container getContainer()
+    {
+        return container;
+    }
+}

src/main/java/net/minecraftforge/fml/common/network/internal/FMLNetworkHandler.java

@@ -98,6 +98,7 @@ public class FMLNetworkHandler
                 entityPlayerMP.openContainer = remoteGuiContainer;
                 entityPlayerMP.openContainer.windowId = windowId;
                 entityPlayerMP.openContainer.addListener(entityPlayerMP);
+                net.minecraftforge.common.MinecraftForge.EVENT_BUS.post(new net.minecraftforge.event.entity.player.PlayerContainerEvent.Open(entityPlayer, entityPlayer.openContainer));
             }
         }
         else if (entityPlayer instanceof FakePlayer)