From c2b36fb562a85545a5d0b4999523ca682d9e452b Mon Sep 17 00:00:00 2001
From: itsmeow <mods.itsmeow@gmail.com>
Date: Mon, 24 May 2021 01:53:33 -0400
Subject: [PATCH] Make hidebehinds retaliate when attacked while unable to
 attack you due to light, and make them immortal to attacks during this time.
 Also make hidebehinds despawn during the daytime (Fixes #13)

---
 gradle.properties                             |  2 +-
 .../whisperwoods/entity/EntityHidebehind.java | 30 ++++++++++++++++++-
 .../whisperwoods/init/ModEntities.java        |  1 +
 3 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/gradle.properties b/gradle.properties
index 8e18731..3437d0e 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -6,7 +6,7 @@
 # Forge
     mc_version = 1.15.2
     forge_version = 31.2.50
-    mappings_version = 20210424
+    mappings_version = 20210523
     mappings_channel = snapshot
     mappings_mc_version = 1.15.1
 
diff --git a/src/main/java/dev/itsmeow/whisperwoods/entity/EntityHidebehind.java b/src/main/java/dev/itsmeow/whisperwoods/entity/EntityHidebehind.java
index c5a6e4b..8fe45e4 100644
--- a/src/main/java/dev/itsmeow/whisperwoods/entity/EntityHidebehind.java
+++ b/src/main/java/dev/itsmeow/whisperwoods/entity/EntityHidebehind.java
@@ -12,6 +12,7 @@
 import net.minecraft.entity.*;
 import net.minecraft.entity.ai.RandomPositionGenerator;
 import net.minecraft.entity.ai.goal.Goal;
+import net.minecraft.entity.ai.goal.HurtByTargetGoal;
 import net.minecraft.entity.ai.goal.SwimGoal;
 import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.item.BlockItem;
@@ -21,6 +22,8 @@
 import net.minecraft.network.datasync.DataSerializers;
 import net.minecraft.network.datasync.EntityDataManager;
 import net.minecraft.pathfinding.*;
+import net.minecraft.potion.EffectInstance;
+import net.minecraft.potion.Effects;
 import net.minecraft.tags.BlockTags;
 import net.minecraft.util.*;
 import net.minecraft.util.math.BlockPos;
@@ -79,6 +82,22 @@ public boolean attackEntityFrom(DamageSource source, float amount) {
         if(source.getTrueSource() == this.getAttackTarget() && this.attackSequenceTicks() > 0) {
             this.setAttackSequenceTicks(0);
         }
+        if (!world.isRemote()) {
+            boolean isImmediate = source.getImmediateSource() instanceof PlayerEntity;
+            PlayerEntity player = isImmediate ? (PlayerEntity) source.getImmediateSource() : (source.getTrueSource() instanceof PlayerEntity ? (PlayerEntity) source.getTrueSource() : null);
+            if (player != null) {
+                if (!this.isEntityAttackable(player)) {
+                    // retaliate attacks if you can't chase due to light
+                    if (!player.isCreative()) {
+                        player.addPotionEffect(new EffectInstance(Effects.BLINDNESS, 15 * 20, 1));
+                        if (player.getDistance(this) < 3)
+                            player.attackEntityFrom(HIDEBEHIND, 1F);
+                    }
+                    HideFromTargetGoal.doTreeTick(this);
+                    return false;
+                }
+            }
+        }
         return super.attackEntityFrom(source, amount);
     }
 
@@ -337,7 +356,11 @@ public void startExecuting() {
 
         @Override
         public void tick() {
-            this.hidebehind.getNavigator().clearPath();
+            doTreeTick(hidebehind);
+        }
+
+        public static void doTreeTick(EntityHidebehind hidebehind) {
+            hidebehind.getNavigator().clearPath();
             boolean nearTree = false;
             for(Direction dir : Direction.values()) {
                 if(!nearTree) {
@@ -392,6 +415,11 @@ protected void registerData() {
         this.dataManager.register(ATTACK_SEQUENCE_TICKS, 0);
     }
 
+    @Override
+    public boolean canDespawn(double range) {
+        return world.isDaytime() && super.canDespawn(range);
+    }
+
     @Override
     protected PathNavigator createNavigator(World world) {
         return new HidebehindGroundNavigator(this, world);
diff --git a/src/main/java/dev/itsmeow/whisperwoods/init/ModEntities.java b/src/main/java/dev/itsmeow/whisperwoods/init/ModEntities.java
index 91f9f6c..3ec4bf7 100644
--- a/src/main/java/dev/itsmeow/whisperwoods/init/ModEntities.java
+++ b/src/main/java/dev/itsmeow/whisperwoods/init/ModEntities.java
@@ -52,6 +52,7 @@ public static void subscribe(IEventBus modBus) {
     .defaultPlacement((t, w, e, p, r) -> w.getDifficulty() != Difficulty.PEACEFUL && MobEntity.canSpawnOn(t, w, e, p, r))
     .egg(0x473123, 0xfff494)
     .size(1F, 5.2F)
+    .despawn()
     .variants(
     new HidebehindVariant("black"),
     new HidebehindVariant("coniferous"),