From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com>
Date: Tue, 1 Mar 2016 13:24:16 -0600
Subject: [PATCH] Allow nerfed mobs to jump and take water damage


diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index 3b35d45881a041aaa7adea0ffc92379208a138b7..a6f0e2193f930cf4f1e38ac30e92a7f7cafb8413 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -117,4 +117,9 @@ public class PaperWorldConfig {
         fishingMaxTicks = getInt("fishing-time-range.MaximumTicks", 600);
         log("Fishing time ranges are between " + fishingMinTicks +" and " + fishingMaxTicks + " ticks");
     }
+
+    public boolean nerfedMobsShouldJump;
+    private void nerfedMobsShouldJump() {
+        nerfedMobsShouldJump = getBoolean("spawner-nerfed-mobs-should-jump", false);
+    }
 }
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index bab72d3d0395fc6a137975982799341626626bc0..969017958ff8ea6d8efba261ce1fe6e5c3a3f518 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -1299,6 +1299,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, i
         return this.isInWater() || this.isInRain();
     }
 
+    @Deprecated public final boolean isInWaterOrRainOrBubble() { return isInWaterRainOrBubble(); } // Paper - OBFHELPER
     public boolean isInWaterRainOrBubble() {
         return this.isInWater() || this.isInRain() || this.isInBubbleColumn();
     }
diff --git a/src/main/java/net/minecraft/world/entity/Mob.java b/src/main/java/net/minecraft/world/entity/Mob.java
index f286fcc2958a02c1e480b8fcf5d049bf0de27131..9cc9c11f2ef5aa386711a0ebc70b6a2d8e5c5b97 100644
--- a/src/main/java/net/minecraft/world/entity/Mob.java
+++ b/src/main/java/net/minecraft/world/entity/Mob.java
@@ -105,6 +105,7 @@ public abstract class Mob extends LivingEntity {
     private final BodyRotationControl bodyRotationControl;
     protected PathNavigation navigation;
     public GoalSelector goalSelector;
+    @Nullable public net.minecraft.world.entity.ai.goal.FloatGoal goalFloat; // Paper
     public GoalSelector targetSelector;
     @Nullable
     private LivingEntity target;
@@ -802,7 +803,17 @@ public abstract class Mob extends LivingEntity {
     @Override
     protected final void serverAiStep() {
         ++this.noActionTime;
-        if (!this.aware) return; // CraftBukkit
+        if (!this.aware) { // Paper start - Allow nerfed mobs to jump, float and take water damage
+            if (goalFloat != null) {
+                if (goalFloat.canUse()) goalFloat.tick();
+                this.getJumpControl().tick();
+            }
+            if ((this instanceof net.minecraft.world.entity.monster.Blaze || this instanceof net.minecraft.world.entity.monster.EnderMan) && isInWaterRainOrBubble()) {
+                hurt(DamageSource.DROWN, 1.0F);
+            }
+            return;
+        }
+        // Paper end
         this.level.getProfiler().push("sensing");
         this.sensing.tick();
         this.level.getProfiler().pop();
diff --git a/src/main/java/net/minecraft/world/entity/ai/goal/FloatGoal.java b/src/main/java/net/minecraft/world/entity/ai/goal/FloatGoal.java
index 01950951ea06e43bedeeede489a112e577617829..0e86eb2595cf9fbf24f789e0e9b4f05929d3164c 100644
--- a/src/main/java/net/minecraft/world/entity/ai/goal/FloatGoal.java
+++ b/src/main/java/net/minecraft/world/entity/ai/goal/FloatGoal.java
@@ -9,6 +9,7 @@ public class FloatGoal extends Goal {
 
     public FloatGoal(Mob mob) {
         this.mob = mob;
+        if (mob.getCommandSenderWorld().paperConfig.nerfedMobsShouldJump) mob.goalFloat = this; // Paper
         this.setFlags(EnumSet.of(Goal.Flag.JUMP));
         mob.getNavigation().setCanFloat(true);
     }