importing controlled implementation changes from original exp-for-kda branch; assist kill experience rewarded

src/main/scala/net/psforever/actors/session/AvatarActor.scala

@@ -6,7 +6,7 @@ import akka.actor.typed.scaladsl.{ActorContext, Behaviors, StashBuffer}
 import akka.actor.typed.{ActorRef, Behavior, PostStop, SupervisorStrategy}
 import java.util.concurrent.atomic.AtomicInteger
 import net.psforever.actors.zone.ZoneActor
-import net.psforever.objects.avatar.scoring.{Death, EquipmentStat, KDAStat, Kill}
+import net.psforever.objects.avatar.scoring.{Assist, Death, EquipmentStat, KDAStat, Kill}
 import org.joda.time.{LocalDateTime, Seconds}
 import scala.collection.mutable
 import scala.concurrent.{ExecutionContextExecutor, Future, Promise}
@@ -2953,6 +2953,8 @@ class AvatarActor(
             zone.actor ! ZoneActor.RewardOurSupporters(playerSource, obj.History, kill, exp)
         }
         zone.actor ! ZoneActor.RewardOurSupporters(playerSource, player.History, kill, exp)
+      case _: Assist =>
+        ()
       case _: Death =>
         zone.AvatarEvents ! AvatarServiceMessage(
           player.Name,

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

@@ -398,6 +398,9 @@ class SessionAvatarHandlers(
       case AvatarResponse.UpdateKillsDeathsAssists(_, kda) =>
         avatarActor ! AvatarActor.UpdateKillsDeathsAssists(kda)
 
+      case AvatarResponse.AwardSupportBep(_, bep) =>
+        avatarActor ! AvatarActor.AwardBep(bep, ExperienceType.Support)
+
       case AvatarResponse.SendResponse(msg) =>
         sendResponse(msg)
 

src/main/scala/net/psforever/actors/zone/ZoneActor.scala

@@ -154,7 +154,7 @@ class ZoneActor(context: ActorContext[ZoneActor.Command], zone: Zone)
         experience ! ExperienceCalculator.RewardThisDeath(entity)
 
       case RewardOurSupporters(target, history, kill, bep) =>
-        ()
+        experience ! ExperienceCalculator.RewardOurSupporters(target, history, kill, bep)
 
       case ZoneMapUpdate() =>
         zone.Buildings
@@ -162,7 +162,6 @@ class ZoneActor(context: ActorContext[ZoneActor.Command], zone: Zone)
           .values
           .foreach(_.Actor ! BuildingActor.MapUpdate())
     }
-
     this
   }
 }

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

@@ -10,6 +10,8 @@ import net.psforever.objects.equipment.EquipmentSlot
 import net.psforever.objects.guid.{GUIDTask, TaskWorkflow}
 import net.psforever.objects.inventory.InventoryItem
 import net.psforever.objects.loadouts.InfantryLoadout
+import net.psforever.objects.sourcing.PlayerSource
+import net.psforever.objects.vital.RevivingActivity
 import net.psforever.objects.zones.Zone
 import net.psforever.packet.game._
 import net.psforever.types.{ChatMessageType, ExoSuitType, Vector3}
@@ -64,7 +66,7 @@ object Players {
     val name = target.Name
     val medicName = medic.Name
     log.info(s"$medicName had revived $name")
-    //target.History(PlayerRespawn(PlayerSource(target), target.Zone, target.Position, Some(PlayerSource(medic))))
+    target.LogActivity(RevivingActivity(PlayerSource(target), PlayerSource(medic), target.MaxHealth, item.Definition))
     val magazine = item.Discharge(Some(25))
     target.Zone.AvatarEvents ! AvatarServiceMessage(
       medicName,

src/main/scala/net/psforever/objects/vital/InGameHistory.scala

@@ -28,13 +28,25 @@ trait InGameActivity {
  */
 trait GeneralActivity extends InGameActivity
 
-final case class SpawningActivity(src: SourceEntry, zoneNumber: Int, unit: Option[SourceEntry]) extends GeneralActivity
+trait SupportActivityCausedByAnother {
+  def user: PlayerSource
+  def amount: Int
+}
 
-final case class ReconstructionActivity(src: SourceEntry, zoneNumber: Int, unit: Option[SourceEntry]) extends GeneralActivity
+final case class SpawningActivity(src: SourceEntry, zoneNumber: Int, unit: Option[SourceEntry])
+  extends GeneralActivity
 
-final case class ShieldCharge(amount: Int, cause: Option[SourceEntry]) extends GeneralActivity
+final case class ReconstructionActivity(src: SourceEntry, zoneNumber: Int, unit: Option[SourceEntry])
+  extends GeneralActivity
 
-final case class TerminalUsedActivity(terminal: AmenitySource, transaction: TransactionType.Value) extends GeneralActivity
+final case class RevivingActivity(target: SourceEntry, user: PlayerSource, amount: Int, equipment: EquipmentDefinition)
+  extends GeneralActivity with SupportActivityCausedByAnother
+
+final case class ShieldCharge(amount: Int, cause: Option[SourceEntry])
+  extends GeneralActivity
+
+final case class TerminalUsedActivity(terminal: AmenitySource, transaction: TransactionType.Value)
+  extends GeneralActivity
 
 /* vitals history */
 
@@ -76,7 +88,7 @@ final case class HealFromKit(kit_def: KitDefinition, amount: Int)
   extends HealingActivity
 
 final case class HealFromEquipment(user: PlayerSource, equipment_def: EquipmentDefinition, amount: Int)
-  extends HealingActivity
+  extends HealingActivity with SupportActivityCausedByAnother
 
 final case class HealFromTerm(term: AmenitySource, amount: Int)
   extends HealingActivity
@@ -91,7 +103,7 @@ final case class RepairFromKit(kit_def: KitDefinition, amount: Int)
     extends RepairingActivity()
 
 final case class RepairFromEquipment(user: PlayerSource, equipment_def: EquipmentDefinition, amount: Int)
-  extends RepairingActivity
+  extends RepairingActivity with SupportActivityCausedByAnother
 
 final case class RepairFromTerm(term: AmenitySource, amount: Int) extends RepairingActivity
 

src/main/scala/net/psforever/objects/zones/exp/ExperienceCalculator.scala

@@ -7,7 +7,7 @@ import net.psforever.objects.PlanetSideGameObject
 import net.psforever.objects.avatar.scoring.{Assist, Death, Kill}
 import net.psforever.objects.serverobject.affinity.FactionAffinity
 import net.psforever.objects.sourcing.{PlayerSource, SourceEntry}
-import net.psforever.objects.vital.{DamagingActivity, HealingActivity, InGameActivity, InGameHistory, ReconstructionActivity, RepairFromExoSuitChange, RepairingActivity, SpawningActivity}
+import net.psforever.objects.vital.{DamagingActivity, HealingActivity, InGameActivity, InGameHistory, ReconstructionActivity, RepairFromExoSuitChange, RepairingActivity, RevivingActivity, SpawningActivity}
 import net.psforever.objects.vital.interaction.{Adversarial, DamageResult}
 import net.psforever.objects.zones.Zone
 import net.psforever.services.avatar.{AvatarAction, AvatarServiceMessage}
@@ -33,6 +33,36 @@ object ExperienceCalculator {
     }
   }
 
+  final case class RewardOurSupporters(target: SourceEntry, history: Iterable[InGameActivity], kill: Kill, bep: Long) extends Command
+
+  object RewardOurSupporters {
+    def apply(obj: PlanetSideGameObject with FactionAffinity with InGameHistory, kill: Kill): RewardOurSupporters = {
+      RewardOurSupporters(SourceEntry(obj), obj.History, kill, kill.experienceEarned)
+    }
+  }
+
+  def limitHistoryToThisLife(history: List[InGameActivity]): List[InGameActivity] = {
+    val spawnIndex = history.lastIndexWhere {
+      case _: SpawningActivity => true
+      case _: RevivingActivity => true
+      case _ => false
+    }
+    val endIndex = history.lastIndexWhere {
+      case damage: DamagingActivity => damage.data.targetAfter.asInstanceOf[PlayerSource].Health == 0
+      case _ => false
+    }
+    if (spawnIndex == -1 || endIndex == -1) {
+      Nil //throw VitalsHistoryException(history.head, "vitals history does not contain expected conditions")
+      //    } else
+      //    if (spawnIndex == -1) {
+      //      Nil  //throw VitalsHistoryException(history.head, "vitals history does not contain initial spawn conditions")
+      //    } else if (endIndex == -1) {
+      //      Nil  //throw VitalsHistoryException(history.last, "vitals history does not contain end of life conditions")
+    } else {
+      history.slice(spawnIndex, endIndex)
+    }
+  }
+
   def calculateExperience(
                            victim: PlayerSource,
                            history: Iterable[InGameActivity]
@@ -64,6 +94,38 @@ object ExperienceCalculator {
       base
     }
   }
+
+  def onlyOriginalAssistEntries(
+                                 first: mutable.LongMap[ContributionStatsOutput],
+                                 second: mutable.LongMap[ContributionStatsOutput]
+                               ): Iterable[ContributionStatsOutput] = {
+    onlyOriginalAssistEntriesIterable(first.values, second.values)
+  }
+
+  def onlyOriginalAssistEntriesIterable(
+                                         first: Iterable[ContributionStatsOutput],
+                                         second: Iterable[ContributionStatsOutput]
+                                       ): Iterable[ContributionStatsOutput] = {
+    if (second.isEmpty) {
+      first
+    } else if (first.isEmpty) {
+      second
+    } else {
+      //overlap discriminated by percentage
+      val shared: mutable.LongMap[ContributionStatsOutput] = mutable.LongMap[ContributionStatsOutput]()
+      for {
+        h @ ContributionStatsOutput(hid, hwep, hkda) <- first
+        a @ ContributionStatsOutput(aid, awep, akda) <- second
+        (id, out) = if (hkda < akda)
+          (aid.CharId, a.copy(implements = (a.implements ++ hwep).distinct))
+        else
+          (hid.CharId, h.copy(implements = (h.implements ++ awep).distinct))
+        if hid == aid && shared.put(id, out).isEmpty
+      } yield ()
+      val sharedKeys = shared.keys
+      (first ++ second).filterNot { case ContributionStatsOutput(id, _, _) => sharedKeys.exists(_ == id.CharId) } ++ shared.values
+    }
+  }
 }
 
 class ExperienceCalculator(context: ActorContext[ExperienceCalculator.Command], zone: Zone)
@@ -74,13 +136,10 @@ class ExperienceCalculator(context: ActorContext[ExperienceCalculator.Command],
   def onMessage(msg: Command): Behavior[Command] = {
     msg match {
       case RewardThisDeath(victim: PlayerSource, lastDamage, history) =>
-        rewardThisPlayerDeath(
-          victim,
-          lastDamage,
-          limitHistoryToThisLife(history.toList)
-        )
-      case _ =>
-        ()
+        rewardThisPlayerDeath(victim, lastDamage, history)
+      case RewardOurSupporters(target, history, kill, bep) =>
+        rewardTheseSupporters(target, history.toList, kill, bep)
+      case _ => ()
     }
     Behaviors.same
   }
@@ -88,24 +147,25 @@ class ExperienceCalculator(context: ActorContext[ExperienceCalculator.Command],
   def rewardThisPlayerDeath(
                              victim: PlayerSource,
                              lastDamage: Option[DamageResult],
-                             history: List[InGameActivity]
+                             history: Iterable[InGameActivity]
                            ): Unit = {
-    val everyone = determineKiller(lastDamage, history) match {
+    val shortHistory = ExperienceCalculator.limitHistoryToThisLife(history.toList)
+    val everyone = determineKiller(lastDamage, shortHistory) match {
       case Some((result, killer: PlayerSource)) =>
-        val assists = collectAssistsForPlayer(victim, history, Some(killer))
-        val fullBep = KillDeathAssists.calculateExperience(killer, victim, history)
+        val assists = collectAssistsForPlayer(victim, shortHistory, Some(killer))
+        val fullBep = KillDeathAssists.calculateExperience(killer, victim, shortHistory)
         val hitSquad = (killer, Kill(victim, result, fullBep)) +: assists.map {
           case ContributionStatsOutput(p, w, r) => (p, Assist(victim, w, r, (fullBep * r).toLong))
         }.toSeq
-        (victim, Death(hitSquad.map { _._1 }, history.last.time - history.head.time, fullBep)) +: hitSquad
+        (victim, Death(hitSquad.map { _._1 }, shortHistory.last.time - shortHistory.head.time, fullBep)) +: hitSquad
 
       case _ =>
-        val assists = collectAssistsForPlayer(victim, history, None)
-        val fullBep = ExperienceCalculator.calculateExperience(victim, history)
+        val assists = collectAssistsForPlayer(victim, shortHistory, None)
+        val fullBep = ExperienceCalculator.calculateExperience(victim, shortHistory)
         val hitSquad = assists.map {
           case ContributionStatsOutput(p, w, r) => (p, Assist(victim, w, r, (fullBep * r).toLong))
         }.toSeq
-        (victim, Death(hitSquad.map { _._1 }, history.last.time - history.head.time, fullBep)) +: hitSquad
+        (victim, Death(hitSquad.map { _._1 }, shortHistory.last.time - shortHistory.head.time, fullBep)) +: hitSquad
     }
     val events = zone.AvatarEvents
     everyone.foreach { case (p, kda) =>
@@ -113,27 +173,6 @@ class ExperienceCalculator(context: ActorContext[ExperienceCalculator.Command],
     }
   }
 
-  def limitHistoryToThisLife(history: List[InGameActivity]): List[InGameActivity] = {
-    val spawnIndex = history.indexWhere {
-      case SpawningActivity(_, _, _) => true
-      case _ => false
-    }
-    val endIndex = history.lastIndexWhere {
-      case damage: DamagingActivity => damage.data.targetAfter.asInstanceOf[PlayerSource].Health == 0
-      case _ => false
-    }
-    if (spawnIndex == -1 || endIndex == -1) {
-      Nil //throw VitalsHistoryException(history.head, "vitals history does not contain expected conditions")
-//    } else
-//    if (spawnIndex == -1) {
-//      Nil  //throw VitalsHistoryException(history.head, "vitals history does not contain initial spawn conditions")
-//    } else if (endIndex == -1) {
-//      Nil  //throw VitalsHistoryException(history.last, "vitals history does not contain end of life conditions")
-    } else {
-      history.slice(spawnIndex, endIndex)
-    }
-  }
-
   def determineKiller(lastDamageActivity: Option[DamageResult], history: List[InGameActivity]): Option[(DamageResult, SourceEntry)] = {
     val now = System.currentTimeMillis()
     val compareTimeMillis = 10.seconds.toMillis
@@ -254,7 +293,7 @@ class ExperienceCalculator(context: ActorContext[ExperienceCalculator.Command],
             mod.copy(
               amount = mod.amount + amount,
               weapons = weapons,
-              totalDamage = mod.totalDamage + amount,
+              total = mod.total + amount,
               shots = mod.shots + 1,
               time = activity.time
             )
@@ -333,4 +372,30 @@ class ExperienceCalculator(context: ActorContext[ExperienceCalculator.Command],
     }
     newOrder ++ order.drop(count)
   }
+
+  private def rewardTheseSupporters(
+                             target: SourceEntry,
+                             history: List[InGameActivity],
+                             kill: Kill,
+                             bep: Long
+                           ): Unit = {
+    val time = kill.time
+    val normalAssists = ExperienceCalculator.onlyOriginalAssistEntries(
+      Support.collectHealingSupportAssists(target, time, history),
+      Support.collectRepairingSupportAssists(target, time, history)
+    )
+//    retainedSupportAssists.get(target.unique) match {
+//      case Some(support) =>
+//        ExperienceCalculator.onlyOriginalAssistEntriesIterable(normalAssists, support.assists)
+//      case None =>
+//        normalAssists
+//    }
+    val events = zone.AvatarEvents
+    normalAssists.foreach { case ContributionStatsOutput(p, _, ratio) =>
+      events ! AvatarServiceMessage(p.Name, AvatarAction.AwardSupportBep(p.CharId, (ratio * bep).toLong))
+    }
+    Support.collectTerminalSupportAssists(target, history).foreach { case ContributionStatsOutput(p, _, reward) =>
+      events ! AvatarServiceMessage(p.Name, AvatarAction.AwardSupportBep(p.CharId, reward.toLong))
+    }
+  }
 }

src/main/scala/net/psforever/objects/zones/exp/Stats.scala

@@ -14,7 +14,7 @@ private case class ContributionStats(
                                       player: PlayerSource,
                                       weapons: Seq[WeaponStats],
                                       amount: Int,
-                                      totalDamage: Int,
+                                      total: Int,
                                       shots: Int,
                                       time: Long
                                     )

src/main/scala/net/psforever/objects/zones/exp/Support.scala

@@ -0,0 +1,260 @@
+// Copyright (c) 2023 PSForever
+package net.psforever.objects.zones.exp
+
+import net.psforever.objects.GlobalDefinitions
+
+import java.util.Date
+import org.joda.time.{Instant, LocalDateTime => JodaLocalDateTime}
+import net.psforever.objects.serverobject.hackable.Hackable
+import net.psforever.objects.serverobject.terminals.Terminal
+import net.psforever.objects.sourcing.{AmenitySource, PlayerSource, SourceEntry}
+import net.psforever.objects.vital.{HealFromEquipment, InGameActivity, RepairFromEquipment, RevivingActivity, SpawningActivity, SupportActivityCausedByAnother, TerminalUsedActivity}
+import net.psforever.objects.zones.Zone
+import net.psforever.types.TransactionType
+import net.psforever.zones.Zones
+
+import scala.collection.mutable
+
+object Support {
+  private type SupportActivity = InGameActivity with SupportActivityCausedByAnother
+
+  private[exp] def collectHealingSupportAssists(
+                                                 target: SourceEntry,
+                                                 time: JodaLocalDateTime,
+                                                 history: Iterable[InGameActivity]
+                                               ): mutable.LongMap[ContributionStatsOutput] = {
+    //normal heals
+    val healInfo = collectSupportContributions(
+      target, time, ExperienceCalculator.limitHistoryToThisLife(history.toList).collect { case heals: HealFromEquipment
+        if heals.amount > 0 && heals.user.unique != target.unique => (heals, heals.equipment_def.ObjectId)
+      }, mapContributionPointsByPercentage
+    )
+    //revivals (count all revivals performed by the player of the last one, if any)
+    val reviveInfo = collectSupportContributions(
+      target, time, history.collect { case revive: RevivingActivity
+        if revive.user.unique != target.unique => (revive, revive.equipment.ObjectId)
+      }.lastOption.toSeq, mapContributionPointsByCount
+    )
+    //combine and output
+    reviveInfo.foreach { case (reviverId, contribution) =>
+      val result = healInfo.get(reviverId)
+      val percentage = result.map { a => a.percentage }.getOrElse { contribution.percentage }
+      val implements = result.map { a => (a.implements ++ contribution.implements).distinct }.getOrElse { contribution.implements }
+      healInfo.put(reviverId, ContributionStatsOutput(contribution.player, implements, percentage))
+    }
+    healInfo
+  }
+
+  private[exp] def collectRepairingSupportAssists(
+                                                 target: SourceEntry,
+                                                 time: JodaLocalDateTime,
+                                                 history: Iterable[InGameActivity]
+                                               ): mutable.LongMap[ContributionStatsOutput] = {
+    collectSupportContributions(
+      target, time, ExperienceCalculator.limitHistoryToThisLife(history.toList).collect { case repairs: RepairFromEquipment
+        if repairs.amount > 0 && repairs.user.unique != target.unique => (repairs, repairs.equipment_def.ObjectId)
+      }, mapContributionPointsByPercentage
+    )
+  }
+
+  private[exp] def collectTerminalSupportAssists(
+                                                  target: SourceEntry,
+                                                  history: List[InGameActivity]
+                                                ): Iterable[ContributionStatsOutput] = {
+    val delay: Long = 300000L
+    val curr = System.currentTimeMillis()
+    var zone: Zone = Zone.Nowhere
+    val termsUsed: mutable.LongMap[Option[AmenitySource]] = mutable.LongMap[Option[AmenitySource]]()
+    val credit: mutable.LongMap[ContributionStatsOutput] = mutable.LongMap[ContributionStatsOutput]()
+    val faction = target.Faction
+    val terminalUseHistory = history.filter {
+      case _: SpawningActivity         => true
+      case entry: TerminalUsedActivity => curr - entry.time < delay
+      case _                           => false
+    }
+    terminalUseHistory.collect {
+      case entry: SpawningActivity =>
+        zone = Zones.zones(entry.zoneNumber)
+      case entry: TerminalUsedActivity
+        if !termsUsed.contains(entry.terminal.unique.guid.guid.toLong) =>
+        if (
+          entry.transaction == TransactionType.Loadout ||
+          entry.transaction == TransactionType.Buy ||
+          entry.transaction == TransactionType.Learn
+        ) {
+          val terminal = entry.terminal
+          val guid = terminal.unique.guid.guid
+          terminal.hacked.collect {
+            case Hackable.HackInfo(player, _, _, _)
+              if target.CharId != player.CharId && faction == player.Faction =>
+              //accessed a hacked terminal
+              termsUsed.put(guid.toLong, Some(terminal))
+              addTerminalContributionEntry(credit, player, Seq(GlobalDefinitions.remote_electronics_kit.ObjectId), percentage = 1f)
+            case _
+              if terminal.Faction == faction =>
+              //accessed a faction-friendly terminal; check log for repair history
+              termsUsed.put(guid.toLong, Some(terminal))
+              zone.GUID(guid)
+                .asInstanceOf[Terminal]
+                .History
+                .collect { case a: RepairFromEquipment =>
+                  val user = a.user
+                  addTerminalContributionEntry(credit, user, Seq(a.equipment_def.ObjectId), percentage = 0.5f)
+                }
+            case _ =>
+              //what is this?
+              termsUsed.put(guid.toLong, None)
+          }
+        }
+    }
+    credit.remove(target.CharId)
+    credit.values
+  }
+
+  private def addTerminalContributionEntry(
+                                            contributions: mutable.LongMap[ContributionStatsOutput],
+                                            player: PlayerSource,
+                                            implements: Seq[Int],
+                                            percentage: Float
+                                          ): Unit = {
+    val charId = player.CharId
+    contributions.get(charId) match {
+      case Some(entry) if percentage > entry.percentage =>
+        contributions.put(charId, entry.copy(percentage = percentage))
+      case Some(entry) =>
+        contributions.put(charId, entry.copy(
+          implements = (entry.implements ++ implements).distinct,
+          percentage = entry.percentage + 0.05f
+        ))
+      case None =>
+        contributions.put(charId, ContributionStatsOutput(player, implements, percentage))
+    }
+  }
+
+  private def findTimeApplicableActivities(
+                                            activity: Seq[SupportActivity],
+                                            killLastTime: JodaLocalDateTime,
+                                            timeOffset: Int //s
+                                          ): Seq[SupportActivity] = {
+    val dateTimeConverter: Date=>JodaLocalDateTime = JodaLocalDateTime.fromDateFields
+    val milliToInstant: Long=>org.joda.time.Instant = Instant.ofEpochMilli
+    val targetTime = killLastTime.minusSeconds(timeOffset)
+    //find all activities that occurred after the kill time after the offset is considered
+    activity
+      .filter { a =>
+        val activityTime = dateTimeConverter(milliToInstant(a.time).toDate)
+        targetTime.isBefore(activityTime) || targetTime.equals(activityTime)
+      }
+      .sortBy(_.time)(Ordering.Long.reverse)
+  }
+
+  private def allocateSupportAssists(
+                                      longTerm: Seq[SupportActivity],
+                                      shortTerm: Seq[SupportActivity],
+                                      defaultTool: Int
+                                    ): mutable.LongMap[ContributionStats] = {
+    val contributions: mutable.LongMap[ContributionStats] = mutable.LongMap[ContributionStats]()
+    (longTerm ++ shortTerm).foreach { h =>
+      val amount = h.amount
+      val user = h.user
+      val charId = user.CharId
+      contributions.get(charId) match {
+        case Some(entry) =>
+          contributions.update(charId, entry.copy(
+            amount = entry.amount + amount,
+            total = entry.total + amount,
+            shots = entry.shots + 1,
+            time = math.max(entry.time, h.time)
+          ))
+        case None =>
+          contributions.put(charId, ContributionStats(user, Seq(WeaponStats(defaultTool, amount, 1, h.time)), amount, amount, 1, h.time))
+      }
+    }
+    contributions
+  }
+
+  private def collectSupportContributions(
+                                           target: SourceEntry,
+                                           time: JodaLocalDateTime,
+                                           pairs: Seq[(InGameActivity, Int)],
+                                           contributionPointsMap: (Float,Iterable[SupportActivity])=>(Long,ContributionStats)=>(Long,ContributionStatsOutput)
+                                         ): mutable.LongMap[ContributionStatsOutput] = {
+    val (activity, tools) = pairs.unzip
+    //TODO this is not correct, but it will do for now
+    if (tools.isEmpty) {
+      mutable.LongMap[ContributionStatsOutput]()
+    } else if (tools.distinct.size == 1) {
+      collectSupportAssists(target, time, activity, tools.head, contributionPointsMap)
+    } else {
+      var output = Iterable[ContributionStatsOutput]()
+      tools.groupBy(identity).keys.foreach { implement =>
+        output = ExperienceCalculator.onlyOriginalAssistEntriesIterable(
+          output,
+          collectSupportAssists(target, time, activity, implement, contributionPointsMap).values
+        )
+      }
+      mutable.LongMap[ContributionStatsOutput]().addAll(output.map { entry => (entry.player.CharId, entry) })
+    }
+  }
+
+  private def collectSupportAssists(
+                                     target: SourceEntry,
+                                     killLastTime: JodaLocalDateTime,
+                                     activity: Seq[InGameActivity],
+                                     defaultImplement: Int,
+                                     contributionPointsMap: (Float,Iterable[SupportActivity])=>(Long,ContributionStats)=>(Long,ContributionStatsOutput)
+                                   ): mutable.LongMap[ContributionStatsOutput] = {
+    val activityByAnother = activity.collect {
+      case activity: SupportActivity => activity
+    }
+    val longTermActivity = findTimeApplicableActivities(activityByAnother, killLastTime, timeOffset = 600)
+    val shortTermActivity = findTimeApplicableActivities(activityByAnother, killLastTime, timeOffset = 300)
+    val contributions = allocateSupportAssists(longTermActivity, shortTermActivity, defaultImplement)
+    contributions.remove(target.CharId)
+    val mapFunc = contributionPointsMap(contributions.values.foldLeft(0)(_ + _.total).toFloat, shortTermActivity)
+    contributions.map { case (a, b) => mapFunc(a, b) }
+  }
+
+  private def mapContributionPointsByPercentage(
+                                                 total: Float,
+                                                 compareList: Iterable[SupportActivity]
+                                               )
+                                               (
+                                                 charId: Long,
+                                                 contribution: ContributionStats,
+                                               ): (Long, ContributionStatsOutput) = {
+    val user = contribution.player
+    val unique = user.unique
+    val points = contribution.amount
+    val value = if (points < 75) {
+      //a small contribution means the lower time limit
+      if (compareList.exists { a => a.user.unique == unique }) {
+        math.max(0.2f, points / total)
+      } else {
+        0f
+      }
+    } else {
+      //large contribution is always okay
+      if (points > 299) {
+        1.0f
+      } else if (points > 100) {
+        0.75f
+      } else {
+        0.5f
+      }
+    }
+    (charId, ContributionStatsOutput(user, contribution.weapons.map { _.weapon_id }, value))
+  }
+
+  //noinspection ScalaUnusedSymbol
+  private def mapContributionPointsByCount(
+                                            total: Float,
+                                            compareList: Iterable[SupportActivity]
+                                          )
+                                          (
+                                            charId: Long,
+                                            contribution: ContributionStats,
+                                          ): (Long, ContributionStatsOutput) = {
+    (charId, ContributionStatsOutput(contribution.player, contribution.weapons.map { _.weapon_id }, compareList.size.toFloat))
+  }
+}

src/main/scala/net/psforever/services/avatar/AvatarService.scala

@@ -438,6 +438,15 @@ class AvatarService(zone: Zone) extends Actor {
             )
           )
 
+        case AvatarAction.AwardSupportBep(charId, bep) =>
+          AvatarEvents.publish(
+            AvatarServiceResponse(
+              s"/$forChannel/Avatar",
+              Service.defaultPlayerGUID,
+              AvatarResponse.AwardSupportBep(charId, bep)
+            )
+          )
+
         case _ => ;
       }
 

src/main/scala/net/psforever/services/avatar/AvatarServiceMessage.scala

@@ -156,6 +156,7 @@ object AvatarAction {
   final case class KitNotUsed(kit_guid: PlanetSideGUID, msg: String) extends Action
 
   final case class UpdateKillsDeathsAssists(charId: Long, kda: KDAStat) extends Action
+  final case class AwardSupportBep(charId: Long, bep: Long) extends Action
 
   final case class TeardownConnection() extends Action
   //  final case class PlayerStateShift(killer : PlanetSideGUID, victim : PlanetSideGUID) extends Action

src/main/scala/net/psforever/services/avatar/AvatarServiceResponse.scala

@@ -127,4 +127,5 @@ object AvatarResponse {
   final case class KitNotUsed(kit_guid: PlanetSideGUID, msg: String) extends Response
 
   final case class UpdateKillsDeathsAssists(charId: Long, kda: KDAStat) extends Response
+  final case class AwardSupportBep(charId: Long, bep: Long) extends Response
 }