Paper/nms-patches/EntityHorseAbstract.patch

--- a/net/minecraft/server/EntityHorseAbstract.java
+++ b/net/minecraft/server/EntityHorseAbstract.java
@@ -6,6 +6,7 @@
 import java.util.List;
 import java.util.UUID;
 import javax.annotation.Nullable;
+import org.bukkit.event.entity.EntityRegainHealthEvent.RegainReason; // CraftBukkit
 
 public abstract class EntityHorseAbstract extends EntityAnimal implements IInventoryListener, IJumpable {
 
@@ -39,6 +40,7 @@
     private float bT;
     protected boolean bF = true;
     protected int bG;
+    public int maxDomestication = 100; // CraftBukkit - store max domestication value
 
     public EntityHorseAbstract(World world) {
         super(world);
@@ -214,7 +216,7 @@
     public void loadChest() {
         InventoryHorseChest inventoryhorsechest = this.inventoryChest;
 
-        this.inventoryChest = new InventoryHorseChest("HorseChest", this.dn());
+        this.inventoryChest = new InventoryHorseChest("HorseChest", this.dn(), this); // CraftBukkit
         this.inventoryChest.a(this.getName());
         if (inventoryhorsechest != null) {
             inventoryhorsechest.b(this);
@@ -354,7 +356,7 @@
     }
 
     public int getMaxDomestication() {
-        return 100;
+        return this.maxDomestication; // CraftBukkit - return stored max domestication instead of 100
     }
 
     protected float cq() {
@@ -414,7 +416,7 @@
         }
 
         if (this.getHealth() < this.getMaxHealth() && f > 0.0F) {
-            this.heal(f);
+            this.heal(f, RegainReason.EATING); // CraftBukkit
             flag = true;
         }
 
@@ -465,7 +467,7 @@
     }
 
     public void die(DamageSource damagesource) {
-        super.die(damagesource);
+        // super.die(damagesource); // Moved down
         if (!this.world.isClientSide && this.inventoryChest != null) {
             for (int i = 0; i < this.inventoryChest.getSize(); ++i) {
                 ItemStack itemstack = this.inventoryChest.getItem(i);
@@ -476,6 +478,7 @@
             }
 
         }
+        super.die(damagesource); // CraftBukkit
     }
 
     public void n() {
@@ -486,7 +489,7 @@
         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.dJ()) {
@@ -723,6 +726,7 @@
         if (this.getOwnerUUID() != null) {
             nbttagcompound.setString("OwnerUUID", this.getOwnerUUID().toString());
         }
+        nbttagcompound.setInt("Bukkit.MaxDomestication", this.maxDomestication); // CraftBukkit
 
         if (!this.inventoryChest.getItem(0).isEmpty()) {
             nbttagcompound.set("SaddleItem", this.inventoryChest.getItem(0).save(new NBTTagCompound()));
@@ -749,6 +753,11 @@
         if (!s.isEmpty()) {
             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");
 
@@ -801,6 +810,18 @@
     }
 
     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.dt();
     }