Server side bullet registration

scripts/multiplayer/session.gd

@@ -6,6 +6,10 @@ enum TEAMS {
 	SPECTATE,
 	UNASSIGNED
 }
+const ATTACK_LAYER: int = 0b10000
+const DEFENCE_LAYER: int = 0b100000
+
+var player_nodes: Dictionary[int,Player] = {}
 
 var dynamic_objects_spawner: MultiplayerSpawner
 
@@ -33,3 +37,35 @@ func despawn_internal(path: NodePath) -> void:
 		return
 	
 	get_node(path).queue_free()
+
+func shoot(damage: int) -> void:
+	if multiplayer.get_unique_id() == 1:
+		shoot_internal(1,damage)
+	else:
+		shoot_internal.rpc_id(1,multiplayer.get_unique_id(),damage)
+
+@rpc("any_peer","call_local","reliable")
+func shoot_internal(id:int , damage: int) -> void:
+	if multiplayer.is_server() == false:
+		return
+	
+	var player: Player = player_nodes[id]
+	var player_camera: Camera3D = player.get_node("Camera3D")
+	var space: PhysicsDirectSpaceState3D = player.get_world_3d().direct_space_state
+	var endpoint: Vector3 = player_camera.global_position - player_camera.global_basis.z * 100
+	
+	var ray = PhysicsRayQueryParameters3D.create(player_camera.global_position,endpoint,1)
+	ray.exclude = [player.get_rid()]
+	ray.collide_with_areas = false
+	match player.team:
+		TEAMS.DEFENCE:
+			ray.collision_mask |= ATTACK_LAYER
+		TEAMS.ATTACK:
+			ray.collision_mask |= DEFENCE_LAYER
+		_:
+			ray.collision_mask |= ATTACK_LAYER | DEFENCE_LAYER
+	
+	var collision = space.intersect_ray(ray)
+	if collision != {} and collision["collider"] is Player:
+		collision["collider"].take_damage.rpc_id(int(collision["collider"].name),damage)
+