New SleepingTimeCheckEvent to add yet another way to control sleeping. (#5013)

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

@@ -29,6 +29,15 @@
          this.field_70145_X = this.func_175149_v();
  
          if (this.func_175149_v())
+@@ -207,7 +215,7 @@
+                 {
+                     this.func_70999_a(true, true, false);
+                 }
+-                else if (this.field_70170_p.func_72935_r())
++                else if (!net.minecraftforge.event.ForgeEventFactory.fireSleepingTimeCheck(this, this.field_71081_bT))
+                 {
+                     this.func_70999_a(false, true, true);
+                 }
 @@ -367,6 +375,7 @@
                  this.func_70105_a(f, f1);
              }
@@ -335,6 +344,15 @@
  
          if (!this.field_70170_p.field_72995_K)
          {
+@@ -1456,7 +1547,7 @@
+                 return EntityPlayer.SleepResult.NOT_POSSIBLE_HERE;
+             }
+ 
+-            if (this.field_70170_p.func_72935_r())
++            if (!net.minecraftforge.event.ForgeEventFactory.fireSleepingTimeCheck(this, this.field_71081_bT))
+             {
+                 return EntityPlayer.SleepResult.NOT_POSSIBLE_NOW;
+             }
 @@ -1484,8 +1575,7 @@
          this.func_192030_dh();
          this.func_70105_a(0.2F, 0.2F);

src/main/java/net/minecraftforge/event/ForgeEventFactory.java

@@ -114,6 +114,7 @@ import net.minecraftforge.event.entity.player.PlayerSetSpawnEvent;
 import net.minecraftforge.event.entity.player.PlayerSleepInBedEvent;
 import net.minecraftforge.event.entity.player.PlayerWakeUpEvent;
 import net.minecraftforge.event.entity.player.SleepingLocationCheckEvent;
+import net.minecraftforge.event.entity.player.SleepingTimeCheckEvent;
 import net.minecraftforge.event.entity.player.UseHoeEvent;
 import net.minecraftforge.event.furnace.FurnaceFuelBurnTimeEvent;
 import net.minecraftforge.event.terraingen.ChunkGeneratorEvent;
@@ -682,6 +683,18 @@ public class ForgeEventFactory
             return canContinueSleep == Result.ALLOW;
     }
 
+    public static boolean fireSleepingTimeCheck(EntityPlayer player, BlockPos sleepingLocation)
+    {
+        SleepingTimeCheckEvent evt = new SleepingTimeCheckEvent(player, sleepingLocation);
+        MinecraftForge.EVENT_BUS.post(evt);
+
+        Result canContinueSleep = evt.getResult();
+        if (canContinueSleep == Result.DEFAULT)
+            return !player.world.isDaytime();
+        else
+            return canContinueSleep == Result.ALLOW;
+    }
+
     public static ActionResult<ItemStack> onArrowNock(ItemStack item, World world, EntityPlayer player, EnumHand hand, boolean hasAmmo)
     {
         ArrowNockEvent event = new ArrowNockEvent(player, item, hand, world, hasAmmo);

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

@@ -0,0 +1,55 @@
+/*
+ * Minecraft Forge
+ * Copyright (c) 2016-2018.
+ *
+ * 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.util.math.BlockPos;
+import net.minecraft.world.World;
+import net.minecraftforge.fml.common.eventhandler.Event.HasResult;
+
+/**
+ * This event is fired when the game checks if players can sleep at this time.<br>
+ * Failing this check will cause sleeping players to wake up and prevent awake players from sleeping.<br>
+ *
+ * This event has a result. {@link HasResult}<br>
+ *
+ * setResult(ALLOW) informs game that player can sleep at this time.<br>
+ * setResult(DEFAULT) causes game to check !{@link World#isDaytime()} instead.
+ */
+@HasResult
+public class SleepingTimeCheckEvent extends PlayerEvent
+{
+    private final BlockPos sleepingLocation;
+
+    public SleepingTimeCheckEvent(EntityPlayer player, BlockPos sleepingLocation)
+    {
+        super(player);
+        this.sleepingLocation = sleepingLocation;
+    }
+
+    /**
+     * Note that the sleeping location may be an approximated one.
+     * @return The player's sleeping location.
+     */
+    public BlockPos getSleepingLocation()
+    {
+        return sleepingLocation;
+    }
+}

src/test/java/net/minecraftforge/debug/gameplay/AnytimeSleepingTest.java

@@ -0,0 +1,88 @@
+/*
+ * Minecraft Forge
+ * Copyright (c) 2016-2018.
+ *
+ * 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.debug.gameplay;
+
+import net.minecraft.client.renderer.block.model.ModelResourceLocation;
+import net.minecraft.creativetab.CreativeTabs;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.item.Item;
+import net.minecraft.util.ResourceLocation;
+import net.minecraftforge.client.event.ModelRegistryEvent;
+import net.minecraftforge.client.model.ModelLoader;
+import net.minecraftforge.common.MinecraftForge;
+import net.minecraftforge.event.RegistryEvent;
+import net.minecraftforge.event.entity.player.SleepingTimeCheckEvent;
+import net.minecraftforge.fml.common.Mod;
+import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;
+import net.minecraftforge.fml.common.eventhandler.Event;
+import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
+import net.minecraftforge.fml.common.registry.GameRegistry;
+
+@Mod(modid = AnytimeSleepingTest.MODID, name = "Anytime Sleeping Test", version = "0.0", acceptableRemoteVersions = "*")
+public class AnytimeSleepingTest
+{
+    public static final String MODID = "anytimesleepingtest";
+    @GameRegistry.ObjectHolder(ItemSleepCharm.NAME)
+    public static final Item SLEEP_CHARM = null;
+
+    @Mod.EventHandler
+    public void preInit(FMLPreInitializationEvent evt)
+    {
+        MinecraftForge.EVENT_BUS.register(this);
+    }
+
+    @SubscribeEvent
+    public void onCheckSleepTime(SleepingTimeCheckEvent evt)
+    {
+        EntityPlayer player = evt.getEntityPlayer();
+        if (player.getHeldItemMainhand().getItem() instanceof ItemSleepCharm)
+        {
+            evt.setResult(Event.Result.ALLOW);
+        }
+    }
+
+    @Mod.EventBusSubscriber(modid = MODID)
+    public static class Registration
+    {
+        @SubscribeEvent
+        public static void registerItems(RegistryEvent.Register<Item> evt)
+        {
+            evt.getRegistry().register(new ItemSleepCharm());
+        }
+
+        @SubscribeEvent
+        public static void registerModels(ModelRegistryEvent evt)
+        {
+            ModelLoader.setCustomModelResourceLocation(SLEEP_CHARM, 0, new ModelResourceLocation("minecraft:totem", "inventory"));
+        }
+    }
+
+    public static class ItemSleepCharm extends Item
+    {
+        static final String NAME = "sleep_charm";
+
+        private ItemSleepCharm()
+        {
+            this.setCreativeTab(CreativeTabs.MISC);
+            this.setUnlocalizedName(MODID + ":" + NAME);
+            this.setRegistryName(new ResourceLocation(MODID, NAME));
+        }
+    }
+}