PaperMC/nms-patches/EntitySkeletonAbstract.patch

--- a/net/minecraft/server/EntitySkeletonAbstract.java
+++ b/net/minecraft/server/EntitySkeletonAbstract.java
@@ -3,6 +3,7 @@
 import java.time.LocalDate;
 import java.time.temporal.ChronoField;
 import javax.annotation.Nullable;
+import org.bukkit.event.entity.EntityCombustEvent; // CraftBukkit
 
 public abstract class EntitySkeletonAbstract extends EntityMonster implements IRangedEntity {
 
@@ -78,7 +79,14 @@
             }
 
             if (flag) {
-                this.setOnFire(8);
+                // CraftBukkit start
+                EntityCombustEvent event = new EntityCombustEvent(this.getBukkitEntity(), 8);
+                this.world.getServer().getPluginManager().callEvent(event);
+
+                if (!event.isCancelled()) {
+                    this.setOnFire(event.getDuration());
+                }
+                // CraftBukkit end
             }
         }
 
@@ -151,8 +159,19 @@
         double d3 = (double) MathHelper.sqrt(d0 * d0 + d2 * d2);
 
         entityarrow.shoot(d0, d1 + d3 * 0.20000000298023224D, d2, 1.6F, (float) (14 - this.world.getDifficulty().a() * 4));
+        // CraftBukkit start
+        org.bukkit.event.entity.EntityShootBowEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callEntityShootBowEvent(this, this.getItemInMainHand(), entityarrow, 0.8F);
+        if (event.isCancelled()) {
+            event.getProjectile().remove();
+            return;
+        }
+
+        if (event.getProjectile() == entityarrow.getBukkitEntity()) {
+            world.addEntity(entityarrow);
+        }
+        // CraftBukkit end
         this.a(SoundEffects.ENTITY_SKELETON_SHOOT, 1.0F, 1.0F / (this.getRandom().nextFloat() * 0.4F + 0.8F));
-        this.world.addEntity(entityarrow);
+        // this.world.addEntity(entityarrow); // CraftBukkit - moved up
     }
 
     protected EntityArrow a(float f) {