extends CharacterBody3D
class_name Rat

@export var dead_rat : Resource
@export var SPEED = 5
@export var state_machine : StateMachine

@onready var level_control = get_tree().current_scene
@onready var anim_player = $AnimationPlayer
@onready var nav_agent = $NavigationAgent3D

var end_hole
var number_of_drops = 1

const MAX_LV = 20
const MAX_AV = 10

# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta):
	move_and_slide()

func breaking(bullet_velocity):
	var drops_left = number_of_drops
	#pickup drop
	while drops_left > 0:
		
		var pickup_spawn = level_control.ITEM_PICKUP.instantiate()
		var item_stats = level_control.pickup_spawn(false)
		
		##SET VARIABLES
		pickup_spawn.pickup_type = item_stats["pickup_type"]
		pickup_spawn.ammo_type = item_stats["ammo_type"]
		pickup_spawn.value = item_stats["value"]
		
		var lv_x = randf_range(-MAX_LV,MAX_LV)
		var lv_y = randf_range(0,MAX_LV)
		var lv_z = randf_range(-MAX_LV,MAX_LV)
		var av_x = randf_range(-MAX_AV,MAX_AV)
		var av_y = randf_range(-MAX_AV,MAX_AV)
		var av_z = randf_range(-MAX_AV,MAX_AV)
		
		# Random Item Drop
		pickup_spawn.position = self.global_position
		pickup_spawn.transform.basis = self.global_transform.basis
		pickup_spawn.linear_velocity += self.global_transform.basis * Vector3(lv_x,lv_y,lv_z)
		pickup_spawn.angular_velocity += self.global_transform.basis * Vector3(av_x,av_y,av_z)
		get_tree().get_root().add_child(pickup_spawn)
		drops_left -= 1
		
	#animate dead
	var spawn_broken = dead_rat.instantiate()
	spawn_broken.position = global_position
	spawn_broken.transform.basis = global_transform.basis
	spawn_broken.rotation = rotation
	var bits = spawn_broken.get_children()
	for bit in bits:
		if bit is RigidBody3D:
			bit.linear_velocity += bullet_velocity
		if bit is GPUParticles3D:
			bit.emitting = true
	var pieces = spawn_broken.get_children()
	get_tree().get_root().add_child(spawn_broken)
	queue_free()


func _on_navigation_agent_3d_velocity_computed(safe_velocity: Vector3) -> void:
	state_machine.current_state.velocity_computed(safe_velocity)