Implemented a brand new cutscene system

Converted Lost Tribe's cutscene to the new system

Server/src/main/kotlin/api/ContentAPI.kt

@@ -1,5 +1,6 @@
 package api
 
+import Cutscene
 import core.cache.def.impl.ItemDefinition
 import core.cache.def.impl.SceneryDefinition
 import core.game.component.Component
@@ -1438,4 +1439,12 @@ fun dumpContainer(player: Player, container: core.game.container.Container) {
 
 fun hasHouse(player: Player): Boolean {
     return player.houseManager.hasHouse()
+}
+
+fun Player.getCutscene(): Cutscene? {
+    return getAttribute<Cutscene?>(this, Cutscene.ATTRIBUTE_CUTSCENE, null)
+}
+
+fun Player.getCutsceneStage(): Int {
+    return getAttribute(this, Cutscene.ATTRIBUTE_CUTSCENE_STAGE, 0)
 }

Server/src/main/kotlin/api/events/Events.kt

@@ -1,6 +1,7 @@
 package api.events
 
 import core.game.node.Node
+import core.game.node.entity.Entity
 import core.game.node.entity.npc.NPC
 import core.game.node.entity.player.link.TeleportManager.TeleportType
 
@@ -10,4 +11,5 @@ data class TeleportEvent(val type: TeleportType, val source: Int = -1) : Event
 data class LitFireEvent(val logId: Int) : Event
 data class InteractionEvent(val target: Node, val option: String) : Event
 data class ButtonClickedEvent(val iface: Int, val buttonId: Int) : Event
-data class UsedWithEvent(val used: Int, val with: Int) : Event
+data class UsedWithEvent(val used: Int, val with: Int) : Event
+data class SelfDeath(val killer: Entity) : Event