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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 78948c42b13194005bdbbbc69c2b7ae0732a78c5..b41e7922dd96c3358eb849ab39982a75736e3476 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -97,4 +97,9 @@ 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 db8970539f7f69c9087abe43286bca008cb4594d..0b86c697541e3ee6083b3c10ab3618ef740b1904 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -1105,6 +1105,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, ne
         return this.isInWater() || this.isInRain();
     }
 
+    public final boolean isInWaterOrRainOrBubble() { return aG(); } // Paper - OBFHELPER
     public boolean aG() {
         return this.isInWater() || this.isInRain() || this.k();
     }
diff --git a/src/main/java/net/minecraft/world/entity/EntityInsentient.java b/src/main/java/net/minecraft/world/entity/EntityInsentient.java
index dbfcdc3cc7c1dccf785f5e13634e84c5af088985..28aa0a9361e8a32763d7fe1af060f0016e8c1e50 100644
--- a/src/main/java/net/minecraft/world/entity/EntityInsentient.java
+++ b/src/main/java/net/minecraft/world/entity/EntityInsentient.java
@@ -98,6 +98,7 @@ public abstract class EntityInsentient extends EntityLiving {
     private final EntityAIBodyControl c;
     protected NavigationAbstract navigation;
     public PathfinderGoalSelector goalSelector;
+    @Nullable public PathfinderGoalFloat goalFloat; // Paper
     public PathfinderGoalSelector targetSelector;
     private EntityLiving goalTarget;
     private final EntitySenses bo;
@@ -784,7 +785,17 @@ public abstract class EntityInsentient extends EntityLiving {
     @Override
     protected final void doTick() {
         ++this.ticksFarFromPlayer;
-        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.validConditions()) goalFloat.update();
+                this.getControllerJump().jumpIfSet();
+            }
+            if ((this instanceof EntityBlaze || this instanceof EntityEnderman) && isInWaterOrRainOrBubble()) {
+                damageEntity(DamageSource.DROWN, 1.0F);
+            }
+            return;
+        }
+        // Paper end
         this.world.getMethodProfiler().enter("sensing");
         this.bo.a();
         this.world.getMethodProfiler().exit();
diff --git a/src/main/java/net/minecraft/world/entity/ai/control/ControllerJump.java b/src/main/java/net/minecraft/world/entity/ai/control/ControllerJump.java
index 9767ac416fcd60a8a57b648dcb3f1e427bacd54d..1a9b3e0e0c090683e332dfa53708f8a62c8f14e0 100644
--- a/src/main/java/net/minecraft/world/entity/ai/control/ControllerJump.java
+++ b/src/main/java/net/minecraft/world/entity/ai/control/ControllerJump.java
@@ -15,6 +15,7 @@ public class ControllerJump {
         this.a = true;
     }
 
+    public final void jumpIfSet() { this.b(); } // Paper - OBFHELPER
     public void b() {
         this.b.setJumping(this.a);
         this.a = false;
diff --git a/src/main/java/net/minecraft/world/entity/ai/goal/PathfinderGoalFloat.java b/src/main/java/net/minecraft/world/entity/ai/goal/PathfinderGoalFloat.java
index 8dfa1a6ade7f51e5d68b290f5376d999bb4c60ab..a6c8763139ed18fe73b2d6f6ec511e59666dc843 100644
--- a/src/main/java/net/minecraft/world/entity/ai/goal/PathfinderGoalFloat.java
+++ b/src/main/java/net/minecraft/world/entity/ai/goal/PathfinderGoalFloat.java
@@ -11,15 +11,18 @@ public class PathfinderGoalFloat extends PathfinderGoal {
 
     public PathfinderGoalFloat(EntityInsentient entityinsentient) {
         this.a = entityinsentient;
+        if (entityinsentient.getWorld().paperConfig.nerfedMobsShouldJump) entityinsentient.goalFloat = this; // Paper
         this.a(EnumSet.of(PathfinderGoal.Type.JUMP));
         entityinsentient.getNavigation().d(true);
     }
 
+    public final boolean validConditions() { return this.a(); } // Paper - OBFHELPER
     @Override
     public boolean a() {
         return this.a.isInWater() && this.a.b((Tag) TagsFluid.WATER) > this.a.cx() || this.a.aQ();
     }
 
+    public void update() { this.e(); } // Paper - OBFHELPER
     @Override
     public void e() {
         if (this.a.getRandom().nextFloat() < 0.8F) {