From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Sun, 5 May 2019 12:58:45 -0500
Subject: [PATCH] LivingEntity safeFallDistance


diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index b3921a084d20a25a6ea775faae43493030aafd77..28d5fc868498a4a6746b9defa1c06da27a4aa495 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -255,6 +255,7 @@ public abstract class LivingEntity extends Entity {
     // CraftBukkit start
     public int expToDrop;
     public int maxAirTicks = 300;
+    public float safeFallDistance = 3.0F; // Purpur
     public boolean forceDrops;
     public ArrayList<org.bukkit.inventory.ItemStack> drops = new ArrayList<org.bukkit.inventory.ItemStack>();
     public final org.bukkit.craftbukkit.attribute.CraftAttributeMap craftAttributes;
@@ -353,8 +354,8 @@ public abstract class LivingEntity extends Entity {
             this.tryAddSoulSpeed();
         }
 
-        if (!this.level.isClientSide && this.fallDistance > 3.0F && onGround) {
-            float f = (float) Mth.ceil(this.fallDistance - 3.0F);
+        if (!this.level.isClientSide && this.fallDistance > this.safeFallDistance && onGround) { // Purpur
+            float f = (float) Mth.ceil(this.fallDistance - this.safeFallDistance); // Purpur
 
             if (!landedState.isAir()) {
                 double d1 = Math.min((double) (0.2F + f / 15.0F), 2.5D);
@@ -1883,7 +1884,7 @@ public abstract class LivingEntity extends Entity {
         MobEffectInstance mobeffect = this.getEffect(MobEffects.JUMP);
         float f2 = mobeffect == null ? 0.0F : (float) (mobeffect.getAmplifier() + 1);
 
-        return Mth.ceil((fallDistance - 3.0F - f2) * damageMultiplier);
+        return Mth.ceil((fallDistance - this.safeFallDistance - f2) * damageMultiplier); // Purpur
     }
 
     protected void playBlockFallSound() {
diff --git a/src/main/java/net/minecraft/world/entity/animal/horse/AbstractHorse.java b/src/main/java/net/minecraft/world/entity/animal/horse/AbstractHorse.java
index 790f0940156b9c6d4aa1869a4ab50292faa246c5..1e748c223c223deb1465a250548b39ed559cf5de 100644
--- a/src/main/java/net/minecraft/world/entity/animal/horse/AbstractHorse.java
+++ b/src/main/java/net/minecraft/world/entity/animal/horse/AbstractHorse.java
@@ -322,7 +322,7 @@ public abstract class AbstractHorse extends Animal implements ContainerListener,
 
     @Override
     protected int calculateFallDamage(float fallDistance, float damageMultiplier) {
-        return Mth.ceil((fallDistance * 0.5F - 3.0F) * damageMultiplier);
+        return Mth.ceil((fallDistance * 0.5F - this.safeFallDistance) * damageMultiplier);
     }
 
     protected int getInventorySize() {
diff --git a/src/main/java/net/minecraft/world/entity/monster/Giant.java b/src/main/java/net/minecraft/world/entity/monster/Giant.java
index c67f33f2e2e0ff5c2a85782185103325a6bf4535..a8ffdc8810152d77668aad7bad15a00c4d194d4c 100644
--- a/src/main/java/net/minecraft/world/entity/monster/Giant.java
+++ b/src/main/java/net/minecraft/world/entity/monster/Giant.java
@@ -12,6 +12,7 @@ import net.minecraft.world.level.LevelReader;
 public class Giant extends Monster {
     public Giant(EntityType<? extends Giant> type, Level world) {
         super(type, world);
+        this.safeFallDistance = 10.0F; // Purpur
     }
 
     // Purpur start
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
index 53b61b609361c305fb8d1f1a8700e81ce139fde4..3e4ad876fa34d0e509fe6331767d31068c4ddb20 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
@@ -872,4 +872,16 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
         throw new IllegalArgumentException(entityCategory + " is an unrecognized entity category");
     }
     // Paper end
+
+    // Purpur start
+    @Override
+    public float getSafeFallDistance() {
+        return getHandle().safeFallDistance;
+    }
+
+    @Override
+    public void setSafeFallDistance(float safeFallDistance) {
+        getHandle().safeFallDistance = safeFallDistance;
+    }
+    // Purpur end
 }