1 files changed, 167 insertions, 0 deletions
diff --git a/Spigot-Server-Patches-Unmapped/0270-Slime-Pathfinder-Events.patch b/Spigot-Server-Patches-Unmapped/0270-Slime-Pathfinder-Events.patch
new file mode 100644
index 0000000000..c9e838ba63
--- /dev/null
+++ b/Spigot-Server-Patches-Unmapped/0270-Slime-Pathfinder-Events.patch
@@ -0,0 +1,167 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: BillyGalbreath <[email protected]>
+Date: Fri, 24 Aug 2018 08:18:42 -0500
+Subject: [PATCH] Slime Pathfinder Events
+
+
+diff --git a/src/main/java/net/minecraft/world/entity/monster/EntitySlime.java b/src/main/java/net/minecraft/world/entity/monster/EntitySlime.java
+index 01d5b0db9a34d88172e8c7c84c4e1d0b2562217c..40e39e382092b1a8f831da0cea1557a781c98600 100644
+--- a/src/main/java/net/minecraft/world/entity/monster/EntitySlime.java
++++ b/src/main/java/net/minecraft/world/entity/monster/EntitySlime.java
+@@ -45,6 +45,14 @@ import net.minecraft.world.level.levelgen.SeededRandom;
+ import net.minecraft.world.level.storage.loot.LootTables;
+ import net.minecraft.world.phys.Vec3D;
+ 
++// Paper start
++import com.destroystokyo.paper.event.entity.SlimeChangeDirectionEvent;
++import com.destroystokyo.paper.event.entity.SlimeSwimEvent;
++import com.destroystokyo.paper.event.entity.SlimeTargetLivingEntityEvent;
++import com.destroystokyo.paper.event.entity.SlimeWanderEvent;
++import org.bukkit.entity.LivingEntity;
++import org.bukkit.entity.Slime;
++// Paper end
+ // CraftBukkit start
+ import java.util.ArrayList;
+ import java.util.List;
+@@ -105,6 +113,7 @@ public class EntitySlime extends EntityInsentient implements IMonster {
+     @Override
+     public void saveData(NBTTagCompound nbttagcompound) {
+         super.saveData(nbttagcompound);
++        nbttagcompound.setBoolean("Paper.canWander", this.canWander); // Paper
+         nbttagcompound.setInt("Size", this.getSize() - 1);
+         nbttagcompound.setBoolean("wasOnGround", this.bp);
+     }
+@@ -119,6 +128,11 @@ public class EntitySlime extends EntityInsentient implements IMonster {
+ 
+         this.setSize(i + 1, false);
+         super.loadData(nbttagcompound);
++        // Paper start - check exists before loading or this will be loaded as false
++        if (nbttagcompound.hasKey("Paper.canWander")) {
++            this.canWander = nbttagcompound.getBoolean("Paper.canWander");
++        }
++        // Paper end
+         this.bp = nbttagcompound.getBoolean("wasOnGround");
+     }
+ 
+@@ -398,7 +412,7 @@ public class EntitySlime extends EntityInsentient implements IMonster {
+ 
+         @Override
+         public boolean a() {
+-            return !this.a.isPassenger();
++            return !this.a.isPassenger() && this.a.canWander && new SlimeWanderEvent((Slime) this.a.getBukkitEntity()).callEvent(); // Paper
+         }
+ 
+         @Override
+@@ -419,7 +433,7 @@ public class EntitySlime extends EntityInsentient implements IMonster {
+ 
+         @Override
+         public boolean a() {
+-            return (this.a.isInWater() || this.a.aQ()) && this.a.getControllerMove() instanceof EntitySlime.ControllerMoveSlime;
++            return (this.a.isInWater() || this.a.aQ()) && this.a.getControllerMove() instanceof EntitySlime.ControllerMoveSlime && this.a.canWander && new SlimeSwimEvent((Slime) this.a.getBukkitEntity()).callEvent(); // Paper
+         }
+ 
+         @Override
+@@ -445,14 +459,18 @@ public class EntitySlime extends EntityInsentient implements IMonster {
+ 
+         @Override
+         public boolean a() {
+-            return this.a.getGoalTarget() == null && (this.a.onGround || this.a.isInWater() || this.a.aQ() || this.a.hasEffect(MobEffects.LEVITATION)) && this.a.getControllerMove() instanceof EntitySlime.ControllerMoveSlime;
++            return this.a.getGoalTarget() == null && (this.a.onGround || this.a.isInWater() || this.a.aQ() || this.a.hasEffect(MobEffects.LEVITATION)) && this.a.getControllerMove() instanceof EntitySlime.ControllerMoveSlime && this.a.canWander; // Paper - add canWander
+         }
+ 
+         @Override
+         public void e() {
+             if (--this.c <= 0) {
+                 this.c = 40 + this.a.getRandom().nextInt(60);
+-                this.b = (float) this.a.getRandom().nextInt(360);
++                // Paper start
++                SlimeChangeDirectionEvent event = new SlimeChangeDirectionEvent((Slime) this.a.getBukkitEntity(), (float) this.a.getRandom().nextInt(360));
++                if (!this.a.canWander || !event.callEvent()) return;
++                this.b = event.getNewYaw();
++                // Paper end
+             }
+ 
+             ((EntitySlime.ControllerMoveSlime) this.a.getControllerMove()).a(this.b, false);
+@@ -473,7 +491,15 @@ public class EntitySlime extends EntityInsentient implements IMonster {
+         public boolean a() {
+             EntityLiving entityliving = this.a.getGoalTarget();
+ 
+-            return entityliving == null ? false : (!entityliving.isAlive() ? false : (entityliving instanceof EntityHuman && ((EntityHuman) entityliving).abilities.isInvulnerable ? false : this.a.getControllerMove() instanceof EntitySlime.ControllerMoveSlime));
++            // Paper start
++            if (entityliving == null || !entityliving.isAlive()) {
++                return false;
++            }
++            if (entityliving instanceof EntityHuman && ((EntityHuman) entityliving).abilities.isInvulnerable) {
++                return false;
++            }
++            return this.a.getControllerMove() instanceof EntitySlime.ControllerMoveSlime && this.a.canWander && new SlimeTargetLivingEntityEvent((Slime) this.a.getBukkitEntity(), (LivingEntity) entityliving.getBukkitEntity()).callEvent();
++            // Paper end
+         }
+ 
+         @Override
+@@ -486,7 +512,15 @@ public class EntitySlime extends EntityInsentient implements IMonster {
+         public boolean b() {
+             EntityLiving entityliving = this.a.getGoalTarget();
+ 
+-            return entityliving == null ? false : (!entityliving.isAlive() ? false : (entityliving instanceof EntityHuman && ((EntityHuman) entityliving).abilities.isInvulnerable ? false : --this.b > 0));
++            // Paper start
++            if (entityliving == null || !entityliving.isAlive()) {
++                return false;
++            }
++            if (entityliving instanceof EntityHuman && ((EntityHuman) entityliving).abilities.isInvulnerable) {
++                return false;
++            }
++            return --this.b > 0 && this.a.canWander && new SlimeTargetLivingEntityEvent((Slime) this.a.getBukkitEntity(), (LivingEntity) entityliving.getBukkitEntity()).callEvent();
++            // Paper end
+         }
+ 
+         @Override
+@@ -494,6 +528,13 @@ public class EntitySlime extends EntityInsentient implements IMonster {
+             this.a.a((Entity) this.a.getGoalTarget(), 10.0F, 10.0F);
+             ((EntitySlime.ControllerMoveSlime) this.a.getControllerMove()).a(this.a.yaw, this.a.eL());
+         }
++
++        // Paper start - clear timer and target when goal resets
++        public void d() {
++            this.b = 0;
++            this.a.setGoalTarget(null);
++        }
++        // Paper end
+     }
+ 
+     static class ControllerMoveSlime extends ControllerMove {
+@@ -552,4 +593,15 @@ public class EntitySlime extends EntityInsentient implements IMonster {
+             }
+         }
+     }
++
++    // Paper start
++    private boolean canWander = true;
++    public boolean canWander() {
++        return canWander;
++    }
++
++    public void setWander(boolean canWander) {
++        this.canWander = canWander;
++    }
++    // Paper end
+ }
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftSlime.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftSlime.java
+index aa0ac8d8493dc79dda3fed2ff4d80c5b7a7e3df6..cf5c6030105e56813f526e710e5db0c59d88c99e 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftSlime.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftSlime.java
+@@ -35,4 +35,14 @@ public class CraftSlime extends CraftMob implements Slime {
+     public EntityType getType() {
+         return EntityType.SLIME;
+     }
++
++    // Paper start
++    public boolean canWander() {
++        return getHandle().canWander();
++    }
++
++    public void setWander(boolean canWander) {
++        getHandle().setWander(canWander);
++    }
++    // Paper end
+ }