Paper/nms-patches/EntityHorse.patch

--- a/net/minecraft/server/EntityHorse.java
+++ b/net/minecraft/server/EntityHorse.java
@@ -7,6 +7,8 @@
 import java.util.UUID;
 import javax.annotation.Nullable;
 
+import org.bukkit.event.entity.EntityRegainHealthEvent.RegainReason; // CraftBukkit
+
 public class EntityHorse extends EntityAnimal implements IInventoryListener, IJumpable {
 
     private static final Predicate<Entity> bC = new Predicate() {
@@ -53,6 +55,7 @@
     private String ce;
     private String[] cf = new String[3];
     private boolean cg = false;
+    public int maxDomestication = 100; // CraftBukkit - store max domestication value
 
     public EntityHorse(World world) {
         super(world);
@@ -321,7 +324,7 @@
     public void loadChest() {
         InventoryHorseChest inventoryhorsechest = this.inventoryChest;
 
-        this.inventoryChest = new InventoryHorseChest("HorseChest", this.dJ());
+        this.inventoryChest = new InventoryHorseChest("HorseChest", this.dJ(), this); // CraftBukkit
         this.inventoryChest.a(this.getName());
         if (inventoryhorsechest != null) {
             inventoryhorsechest.b(this);
@@ -474,7 +477,7 @@
     }
 
     public int getMaxDomestication() {
-        return 100;
+        return this.maxDomestication; // CraftBukkit - return stored max domestication instead of 100
     }
 
     protected float ce() {
@@ -564,7 +567,7 @@
                     }
 
                     if (this.getHealth() < this.getMaxHealth() && f > 0.0F) {
-                        this.heal(f);
+                        this.heal(f, RegainReason.EATING); // CraftBukkit
                         flag = true;
                     }
 
@@ -655,11 +658,11 @@
     }
 
     public void die(DamageSource damagesource) {
-        super.die(damagesource);
+        // super.die(damagesource); // Moved down
         if (!this.world.isClientSide) {
             this.dropChest();
         }
-
+        super.die(damagesource); // CraftBukkit
     }
 
     public void n() {
@@ -670,7 +673,7 @@
         super.n();
         if (!this.world.isClientSide) {
             if (this.random.nextInt(900) == 0 && this.deathTicks == 0) {
-                this.heal(1.0F);
+                this.heal(1.0F, RegainReason.REGEN); // CraftBukkit
             }
 
             if (!this.dn() && !this.isVehicle() && this.random.nextInt(300) == 0 && this.world.getType(new BlockPosition(MathHelper.floor(this.locX), MathHelper.floor(this.locY) - 1, MathHelper.floor(this.locZ))).getBlock() == Blocks.GRASS) {
@@ -921,6 +924,7 @@
         if (this.getOwnerUUID() != null) {
             nbttagcompound.setString("OwnerUUID", this.getOwnerUUID().toString());
         }
+        nbttagcompound.setInt("Bukkit.MaxDomestication", this.maxDomestication); // CraftBukkit
 
         if (this.hasChest()) {
             NBTTagList nbttaglist = new NBTTagList();
@@ -976,6 +980,12 @@
             this.setOwnerUUID(UUID.fromString(s));
         }
 
+        // CraftBukkit start
+        if (nbttagcompound.hasKey("Bukkit.MaxDomestication")) {
+            this.maxDomestication = nbttagcompound.getInt("Bukkit.MaxDomestication");
+        }
+        // CraftBukkit end
+
         AttributeInstance attributeinstance = this.getAttributeMap().a("Speed");
 
         if (attributeinstance != null) {
@@ -1148,6 +1158,18 @@
     }
 
     public void b(int i) {
+        // CraftBukkit start
+        float power;
+        if (i >= 90) {
+            power = 1.0F;
+        } else {
+            power = 0.4F + 0.4F * (float) i / 90.0F;
+        }
+        org.bukkit.event.entity.HorseJumpEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callHorseJumpEvent(this, power);
+        if (event.isCancelled()) {
+            return;
+        }
+        // CraftBukkit end
         this.canSlide = true;
         this.setStanding();
     }