extends Node

var projectile: = preload("res://scenes/weapons/projectile.tscn")

func _ready():
	pass # Replace with function body.

var handles = {}

func body_enter(obj, pj):
#	if !obj is StaticBody:
#		print("body enter: ", obj.name)
	if obj.is_in_group("characters"):
		rpg.projectile_attack(pj, obj)
		rpg.add_agression(obj, 1.3)
#	else:
#		if obj is StaticBody:
#			pj.queue_free()

func register(obj):
	assert(obj.is_in_group("characters"))
	var obj_path = get_path_to(obj)
	var skel = obj.get_skeleton()
	var att: = BoneAttachment.new()
	att.bone_name = "grabber_R"
	skel.add_child(att)
	var att_path = get_path_to(att)
	handles[obj_path] = att_path
	var anim:AnimationPlayer = obj.get_anim_player()
	var throw_anim: Animation = anim.get_animation("throw").duplicate()
	var track = throw_anim.add_track(Animation.TYPE_METHOD)
	throw_anim.track_set_path(track, "/root/combat")
#	throw_anim.track_insert_key(track, 0.05, {"method": "shoot", "args": [obj]})
	throw_anim.track_insert_key(track, throw_anim.length - 0.02, {"method": "shoot", "args": [obj]})
	anim.remove_animation("throw")
	var ret = anim.add_animation("throw", throw_anim)
	assert(ret == OK)

func shoot(from):
	assert(from.is_in_group("characters"))
#	print(from.name, " shoots projectile")
	var obj_path = get_path_to(from)
	var handle_path = handles[obj_path]
	var handle = get_node(handle_path)
	var from_pos = handle.global_transform.origin
	var from_dir = -from.global_transform.basis[2]
	# top impulse 6000
	# ok = 100
	# so-so = 50
	var stamina = from.get_meta("stamina")
	if stamina > 5:
		var impulse = from_dir * (10.0 + clamp(from.get_meta("strength") / 4.0, 0, 10) + randi() % int(clamp((1 + from.get_meta("strength") / 4.0), 0, 5)))
		var pj = projectile.instance()
		pj.connect("body_entered", self, "body_enter", [pj])
		get_node("/root").add_child(pj)
		pj.set_meta("owner", from)
		pj.global_transform.origin = from_pos
		pj.add_collision_exception_with(from)
		pj.apply_impulse(Vector3(), impulse)
		stamina -= 5 + impulse.length() / (1 + from.get_meta("strength") * 0.1)
		if stamina < 0:
			stamina = 0
		from.set_meta("stamina", stamina)
#		print("set stamina to: ", from.name)

func player_nearby(obj, dst):
	assert(obj.is_in_group("characters"))
	var ppos = global.player.global_transform.origin
	var opos = obj.global_transform.origin
	if opos.distance_to(ppos) < dst:
		return true
	return false
func enemy_nearby(obj, dst):
	if !obj.is_in_group("npc"):
		return false
	var bb = obj.get_node("blackboard")
	var enemy = bb.get("last_enemy")
	if enemy:
		var ppos = enemy.global_transform.origin
		var opos = obj.global_transform.origin
		if opos.distance_to(ppos) < dst:
			return true
	return false