Adding all the files

ActionRPG-HeartBeast/Player/Player.gd

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+extends KinematicBody2D
+
+var velocity = Vector2.ZERO
+var input_vector = Vector2.ZERO
+
+const ACCELERATION = 500
+const MAX_SPEED = 80
+const FRICTION = 500
+
+enum {
+	MOVE,
+	ROLL,
+	ATTACK
+}
+
+var state = MOVE
+
+onready var animationPlayer = $AnimationPlayer
+onready var animationTree = $AnimationTree
+onready var animationState = animationTree.get("parameters/playback")
+
+func _ready():
+	animationTree.active = true
+
+func _physics_process(delta):
+	match state:
+		MOVE:
+			move_state(delta)
+			
+		ROLL:
+			pass
+			
+		ATTACK:
+			attack_state(delta)
+
+func move_state(delta):
+	input_vector.x = Input.get_action_strength("ui_right") - Input.get_action_strength("ui_left")
+	input_vector.y = Input.get_action_strength("ui_down") - Input.get_action_strength("ui_up")
+	input_vector = input_vector.normalized()
+	if input_vector != Vector2.ZERO:
+		animationTree.set("parameters/Idle/blend_position", input_vector)
+		animationTree.set("parameters/Run/blend_position", input_vector)
+		animationState.travel("Run")
+		velocity = velocity.move_toward(input_vector * MAX_SPEED, ACCELERATION * delta)
+	else:
+		#animationPlayer.play("IdleRight")
+		animationState.travel("Idle")
+		velocity = velocity.move_toward(Vector2.ZERO, FRICTION * delta)
+
+	velocity = move_and_slide(velocity)
+	
+	if Input.is_action_just_pressed("attack"):
+		state = ATTACK
+
+func attack_state(delta):
+	#velocity = Vector2.ZERO
+	animationTree.set("parameters/Attack/blend_position", input_vector)
+	animationState.travel("Attack")
+	velocity = Vector2.ZERO
+	#velocity = velocity.move_toward(Vector2.ZERO, FRICTION*delta)
+	#velocity = move_and_slide(velocity)
+
+	
+func attack_aninimation_finished():
+	state = MOVE
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+#func _process(delta):
+#	pass