extends CharacterBody2D

@export var walk_speed = 125.0
@export var run_speed = 175.0

@export var jump_force = 150.0  # Upward jump force
@export var gravity = 300.0

@export var character_y_translate = 0

@onready var anim_tree = $AnimationTree
@onready var animation_playback = anim_tree.get("parameters/playback")

@onready var shadow_sprite = $ShadowSprite
@onready var character_sprite = $CharacterSprite

var player_direction: Vector2 = Vector2.ZERO
var is_pressing_shift: bool = false
var is_pressing_left_or_right = false

var jump_velocity = 0.0
var jump_position = 0.0
var is_jumping = false


func _ready():
    anim_tree.active = true
    animation_playback.travel("Idle")

func _physics_process(delta):
    player_direction = Input.get_vector("ui_left", "ui_right", "ui_up", "ui_down")
    is_pressing_shift = Input.is_action_pressed("ui_shift")
    is_pressing_left_or_right = player_direction.x

    if player_direction:
        var speed = run_speed if is_pressing_shift else walk_speed
        velocity = player_direction * speed
    else:
        velocity = Vector2.ZERO

    if is_jumping:
        jump_position += jump_velocity * delta
        jump_velocity -= gravity * delta  # Simulated gravity pulling the character down

        velocity.y -= jump_velocity

        if jump_position <= 0.0:
            jump_position = 0.0  # Snap back to the ground
            is_jumping = false  # Stop jumping
            jump_velocity = 0.0
    else:
        # Handle jump input
        if Input.is_action_just_pressed("ui_jump"):
            is_jumping = true
            jump_velocity = jump_force

    move_and_slide()

func _process(delta):
    update_animations()

func update_animations():
    if(velocity == Vector2.ZERO):
        animation_playback.travel("Idle")
    else:
        if (is_pressing_shift):
            animation_playback.travel("Run")
        else:
            animation_playback.travel("Walk")

    if is_pressing_left_or_right:
        anim_tree.set("parameters/Idle/blend_position", player_direction)
        anim_tree.set("parameters/Walk/blend_position", player_direction)
        anim_tree.set("parameters/Run/blend_position", player_direction)