SPIGOT-336, SPIGOT-3366, SPIGOT-5768, SPIGOT-6409, SPIGOT-6861, #1008: Add EntityRemoveEvent

By: DerFrZocker <derrieple@gmail.com>

paper-server/nms-patches/net/minecraft/world/entity/projectile/EntityFireball.patch

@@ -1,10 +1,13 @@
 --- a/net/minecraft/world/entity/projectile/EntityFireball.java
 +++ b/net/minecraft/world/entity/projectile/EntityFireball.java
-@@ -17,11 +17,15 @@
+@@ -17,11 +17,18 @@
  import net.minecraft.world.phys.MovingObjectPosition;
  import net.minecraft.world.phys.Vec3D;
  
-+import org.bukkit.craftbukkit.event.CraftEventFactory; // CraftBukkit
++// CraftBukkit start
++import org.bukkit.craftbukkit.event.CraftEventFactory;
++import org.bukkit.event.entity.EntityRemoveEvent;
++// CraftBukkit end
 +
  public abstract class EntityFireball extends IProjectile {
  
@@ -16,7 +19,7 @@
  
      protected EntityFireball(EntityTypes<? extends EntityFireball> entitytypes, World world) {
          super(entitytypes, world);
-@@ -36,6 +40,12 @@
+@@ -36,6 +43,12 @@
          this(entitytypes, world);
          this.moveTo(d0, d1, d2, this.getYRot(), this.getXRot());
          this.reapplyPosition();
@@ -29,7 +32,16 @@
          double d6 = Math.sqrt(d3 * d3 + d4 * d4 + d5 * d5);
  
          if (d6 != 0.0D) {
-@@ -86,7 +96,13 @@
+@@ -76,7 +89,7 @@
+         Entity entity = this.getOwner();
+ 
+         if (!this.level().isClientSide && (entity != null && entity.isRemoved() || !this.level().hasChunkAt(this.blockPosition()))) {
+-            this.discard();
++            this.discard(EntityRemoveEvent.Cause.DESPAWN); // CraftBukkit - add Bukkit remove cause
+         } else {
+             super.tick();
+             if (this.shouldBurn()) {
+@@ -86,7 +99,13 @@
              MovingObjectPosition movingobjectposition = ProjectileHelper.getHitResultOnMoveVector(this, this::canHitEntity, this.getClipType());
  
              if (movingobjectposition.getType() != MovingObjectPosition.EnumMovingObjectType.MISS) {
@@ -44,7 +56,7 @@
              }
  
              this.checkInsideBlocks();
-@@ -184,6 +200,11 @@
+@@ -184,6 +203,11 @@
  
              if (entity != null) {
                  if (!this.level().isClientSide) {