player.gd

class_name Player
extends CharacterBody2D

@export var speed : float = 50
@onready var anim_tree = $AnimationTree
@onready var anim_state = anim_tree.get("parameters/playback")

enum player_states {MOVE, JUMP, SWIM}
var current_states = player_states.MOVE

var input_movement = Vector2.ZERO
var playback : AnimationNodeStateMachinePlayback

func _physics_process(_delta):

	match current_states:
		player_states.SWIM:
			swim()
		player_states.MOVE:
			move()
		player_states.JUMP:
			jump()

func move():
	$Watertrail.emitting = false
	input_movement = Input.get_vector("left", "right", "up", "down")

	if input_movement != Vector2.ZERO:
		velocity = input_movement * speed
		anim_tree.set("parameters/Idle/BlendSpace2D/blend_position", input_movement)
		anim_tree.set("parameters/Walk/BlendSpace2D/blend_position", input_movement)
		anim_tree.set("parameters/Jump/BlendSpace2D/blend_position", input_movement)
		anim_tree.set("parameters/Swim/BlendSpace2D/blend_position", input_movement)
		anim_state.travel("Walk")
		velocity = input_movement * speed

	if input_movement == Vector2.ZERO:
		anim_state.travel("Idle")
		velocity = Vector2.ZERO

	if Input.is_action_just_pressed("jump"):
		current_states = player_states.JUMP

	move_and_slide()

func jump():
	input_movement = Input.get_vector("left", "right", "up", "down")
	anim_state.travel("Jump")
	velocity = input_movement * speed
	move_and_slide()

func on_states_reset():
	current_states = player_states.MOVE

func clear_collision():
	$CollisionShape2D.disabled = true

func create_collision():
	$CollisionShape2D.disabled = false
	current_states = player_states.MOVE

func swim():
	input_movement = Input.get_vector("left", "right", "up", "down")
	if input_movement != Vector2.ZERO:
		velocity = input_movement * speed
		anim_tree.set("parameters/Idle/BlendSpace2D/blend_position", input_movement)
		anim_tree.set("parameters/Walk/BlendSpace2D/blend_position", input_movement)
		anim_tree.set("parameters/Jump/BlendSpace2D/blend_position", input_movement)
		anim_tree.set("parameters/Swim/BlendSpace2D/blend_position", input_movement)
		anim_state.travel("Swim")
		velocity = input_movement * speed
	if Input.is_action_just_pressed("jump") and current_states == player_states.SWIM:
		anim_state.travel("Jump")
		$Watertrail.emitting = false
	velocity = input_movement * speed
	move_and_slide()

func _on_area_2d_body_entered(_body: Node2D):
	anim_state.travel("Swim")
	current_states = player_states.SWIM
	$Watertrail.emitting = true

func _on_area_2d_body_exited(_body: Node2D):
	current_states = player_states.MOVE
	$Watertrail.emitting = false