Scorpion Death Message (#1044)

* correction to scorpion sub-projectile death message

* redirected the definition fields

* output method of demise to chat; chat will answer us the mystery

* finally attributes the scorpion as the method of demise

src/main/scala/net/psforever/actors/session/support/WeaponAndProjectileOperations.scala

@@ -2,8 +2,6 @@
 package net.psforever.actors.session.support
 
 import akka.actor.{ActorContext, typed}
-import net.psforever.objects.avatar.scoring.EquipmentStat
-
 import scala.collection.mutable
 import scala.concurrent.ExecutionContext.Implicits.global
 import scala.concurrent.Future
@@ -11,6 +9,7 @@ import scala.concurrent.duration._
 //
 import net.psforever.actors.session.{AvatarActor, ChatActor, SessionActor}
 import net.psforever.login.WorldSession.{CountAmmunition, CountGrenades, FindAmmoBoxThatUses, FindEquipmentStock, FindToolThatUses, PutEquipmentInInventoryOrDrop, PutNewEquipmentInInventoryOrDrop, RemoveOldEquipmentFromInventory}
+import net.psforever.objects.avatar.scoring.EquipmentStat
 import net.psforever.objects.ballistics.{Projectile, ProjectileQuality}
 import net.psforever.objects.entity.SimpleWorldEntity
 import net.psforever.objects.equipment.{ChargeFireModeDefinition, Equipment, EquipmentSize, FireModeSwitch}
@@ -22,6 +21,7 @@ import net.psforever.objects.serverobject.turret.FacilityTurret
 import net.psforever.objects.serverobject.{CommonMessages, PlanetSideServerObject}
 import net.psforever.objects.vital.Vitality
 import net.psforever.objects.vital.base.{DamageResolution, DamageType}
+import net.psforever.objects.vital.etc.OicwLilBuddyReason
 import net.psforever.objects.vital.interaction.DamageInteraction
 import net.psforever.objects.vital.projectile.ProjectileReason
 import net.psforever.objects.zones.{Zone, ZoneProjectile}
@@ -1186,13 +1186,10 @@ private[support] class WeaponAndProjectileOperations(
 
   def HandleDamageProxyLittleBuddyExplosion(proxy: Projectile, orientation: Vector3, distance: Float): Unit = {
     //explosion
-    val obj = DummyExplodingEntity(proxy)
+    val obj = new DummyExplodingEntity(proxy, proxy.owner.Faction)
     obj.Position = obj.Position + orientation * distance
-    context.system.scheduler.scheduleOnce(500.milliseconds) {
-      val c = continent
-      val o = obj
-      Zone.serverSideDamage(c, o, Zone.explosionDamage(None, o.Position))
-    }
+    val explosionFunc: ()=>Unit = WeaponAndProjectileOperations.detonateLittleBuddy(continent, obj, proxy, proxy.owner)
+    context.system.scheduler.scheduleOnce(500.milliseconds) { explosionFunc() }
   }
 
   /**
@@ -1246,3 +1243,50 @@ private[support] class WeaponAndProjectileOperations(
     }
   }
 }
+
+object WeaponAndProjectileOperations {
+  /**
+   * Preparation for explosion damage that utilizes the Scorpion's little buddy sub-projectiles.
+   * The main difference from "normal" server-side explosion
+   * is that the owner of the projectile must be clarified explicitly.
+   * @see `Zone::serverSideDamage`
+   * @param zone where the explosion is taking place
+   *             (`source` contains the coordinate location)
+   * @param source a game object that represents the source of the explosion
+   * @param owner who or what to accredit damage from the explosion to;
+   *              clarifies a normal `SourceEntry(source)` accreditation
+   */
+  private def detonateLittleBuddy(
+                                   zone: Zone,
+                                   source: PlanetSideGameObject with FactionAffinity with Vitality,
+                                   proxy: Projectile,
+                                   owner: SourceEntry
+                                 )(): Unit = {
+    Zone.serverSideDamage(zone, source, littleBuddyExplosionDamage(owner, proxy.id, source.Position))
+  }
+
+  /**
+   * Preparation for explosion damage that utilizes the Scorpion's little buddy sub-projectiles.
+   * The main difference from "normal" server-side explosion
+   * is that the owner of the projectile must be clarified explicitly.
+   * The sub-projectiles will be the product of a normal projectile rather than a standard game object
+   * so a custom `source` entity must wrap around it and fulfill the requirements of the field.
+   * @see `Zone::explosionDamage`
+   * @param owner who or what to accredit damage from the explosion to
+   * @param explosionPosition where the explosion will be positioned in the game world
+   * @param source a game object that represents the source of the explosion
+   * @param target a game object that is affected by the explosion
+   * @return a `DamageInteraction` object
+   */
+  private def littleBuddyExplosionDamage(
+                                          owner: SourceEntry,
+                                          projectileId: Long,
+                                          explosionPosition: Vector3
+                                        )
+                                        (
+                                          source: PlanetSideGameObject with FactionAffinity with Vitality,
+                                          target: PlanetSideGameObject with FactionAffinity with Vitality
+                                        ): DamageInteraction = {
+    DamageInteraction(SourceEntry(target), OicwLilBuddyReason(owner, projectileId, target.DamageModel), explosionPosition)
+  }
+}

src/main/scala/net/psforever/actors/session/support/ZoningOperations.scala

@@ -180,13 +180,14 @@ class ZoningOperations(
     sendResponse(PlanetsideAttributeMessage(PlanetSideGUID(0), 112, 0)) // disable festive backpacks
 
     //find and reclaim own deployables, if any
-    val foundDeployables =
-      continent.DeployableList.filter(obj => obj.OwnerName.contains(player.Name) && obj.Health > 0)
-    foundDeployables.foreach(obj => {
-      if (avatar.deployables.AddOverLimit(obj)) {
+    val foundDeployables = continent.DeployableList.filter {
+      case _: BoomerDeployable => false //if we do find boomers for any reason, ignore them
+      case dobj => dobj.OwnerName.contains(player.Name) && dobj.Health > 0
+    }
+    foundDeployables.collect {
+      case obj if avatar.deployables.AddOverLimit(obj) =>
         obj.Actor ! Deployable.Ownership(player)
-      }
-    })
+    }
     //render deployable objects
     val (turrets, normal) = continent.DeployableList.partition(obj =>
       DeployableToolbox.UnifiedType(obj.Definition.Item) == DeployedItem.portable_manned_turret

src/main/scala/net/psforever/objects/DummyExplodingEntity.scala

@@ -1,11 +1,12 @@
 // Copyright (c) 2022 PSForever
 package net.psforever.objects
 
+import net.psforever.objects.ballistics.Projectile
 import net.psforever.objects.definition.{ObjectDefinition, ProjectileDefinition}
 import net.psforever.objects.serverobject.affinity.FactionAffinity
 import net.psforever.objects.vital.resolution.{DamageAndResistance, DamageResistanceModel}
 import net.psforever.objects.vital.{Vitality, VitalityDefinition}
-import net.psforever.types.{PlanetSideEmpire, Vector3}
+import net.psforever.types.{PlanetSideEmpire, PlanetSideGUID, Vector3}
 
 class DummyExplodingEntity(
                             private val obj: PlanetSideGameObject,
@@ -14,7 +15,7 @@ class DummyExplodingEntity(
   extends PlanetSideGameObject
   with FactionAffinity
   with Vitality {
-  override def GUID = obj.GUID
+  override def GUID: PlanetSideGUID = obj.GUID
 
   override def Position: Vector3 = {
     if (super.Position == Vector3.Zero) {
@@ -41,20 +42,29 @@ class DummyExplodingEntity(
   def DamageModel: DamageAndResistance = DummyExplodingEntity.DefaultDamageResistanceModel
 
   def Definition: ObjectDefinition with VitalityDefinition = {
-    new DefinitionWrappedInVitality(obj.Definition)
+    new DefinitionWrappedInVitality(obj)
   }
 }
 
-private class DefinitionWrappedInVitality(definition: ObjectDefinition)
-  extends ObjectDefinition(definition.ObjectId)
+private class DefinitionWrappedInVitality(private val entity: PlanetSideGameObject)
+  extends ObjectDefinition(entity.Definition.ObjectId)
   with VitalityDefinition {
-  innateDamage = definition match {
+  private val internalDefinition = entity.Definition
+
+  innateDamage = internalDefinition match {
     case v: VitalityDefinition if v.innateDamage.nonEmpty => v.innateDamage.get
     case p: ProjectileDefinition                          => p
     case _                                                => GlobalDefinitions.no_projectile
   }
-  Name = { definition.Name }
+
+  Name = internalDefinition.Name
+
   DefaultHealth = 1 //just cuz
+
+  override def ObjectId: Int = entity match {
+    case p: Projectile => p.tool_def.ObjectId //projectiles point back to the weapon of origin
+    case _             => internalDefinition.ObjectId //what are we?
+  }
 }
 
 object DummyExplodingEntity {

src/main/scala/net/psforever/objects/vital/etc/OicwLilBuddyReason.scala

@@ -0,0 +1,26 @@
+package net.psforever.objects.vital.etc
+
+import net.psforever.objects.GlobalDefinitions
+import net.psforever.objects.sourcing.SourceEntry
+import net.psforever.objects.vital.base.{DamageReason, DamageResolution}
+import net.psforever.objects.vital.prop.DamageProperties
+import net.psforever.objects.vital.resolution.DamageAndResistance
+
+case class OicwLilBuddyReason(
+                               entity: SourceEntry,
+                               projectileId: Long,
+                               damageModel: DamageAndResistance
+                             ) extends DamageReason {
+  def resolution: DamageResolution.Value = DamageResolution.Explosion
+
+  def same(test: DamageReason): Boolean = test match {
+    case eer: OicwLilBuddyReason => eer.projectileId == projectileId
+    case _                       => false
+  }
+
+  def adversary: Option[SourceEntry] = Some(entity)
+
+  def source: DamageProperties = GlobalDefinitions.oicw_little_buddy
+
+  override def attribution: Int = GlobalDefinitions.oicw.ObjectId
+}