GameScene.gd

extends Node2D


enum GameState { Loading, Running, GameOver }
onready var State = GameState.Loading;
onready var enemyObj = preload("res://Enemy.tscn")

var Player = null
var cam = null

func _ready():
	var labelText = "Stage " + str(globals.currentStage)
	$Label.set_text(labelText)
	$AnimationPlayer.play("Stage Display")

# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta):
	$HUD/Kills.set_text("Kills:" + str(globals.kills))
	pass

func _input(event):
	if(State == GameState.GameOver):
		get_tree().change_scene("TitleScene.tscn")
			
func startAnimationDone():
	$Label.visible = false
	Player = load("res://Player.tscn").instance()
	Player.position = Vector2(300,720/2)
	cam = Camera2D.new()
	cam.position.x = 360
	cam.make_current()
	Player.add_child(cam)
	add_child(Player)
	SpawnEnemies()
	State = GameState.Running
	
func _on_Area2D_area_entered(area):
	#Did we hit the trigger to queue boss fight?
	if(area.get_collision_layer_bit(4)):
		if(State == GameState.Running):
			Player.speed = 0
			globals.currentStage = globals.currentStage + 1
			get_tree().reload_current_scene()
		
	
func _on_GroundArea_area_entered(area):
	if(State == GameState.Running):
		Player.explode()
	
func PlayerDied():
	for i in Player.get_children():
		i.queue_free()
	remove_child(Player)
	State = GameState.GameOver
	
	$Label.set_text("Game Over")
	$Label.visible = true
	$Label.set_position(Vector2(1280/2 - 200, 720/2))

func SpawnEnemy(x,y):
	
	var enemy = enemyObj.instance()
	enemy.set_position(Vector2(x,y))
	add_child(enemy)

func SpawnEnemies():
	randomize()
	# One extra plane per stage
	for i in range(0,10+globals.currentStage):
		SpawnEnemy(700 + randi()%5000,randi()%int(get_viewport_rect().size.y))

func SpawnBossWave():
	for i in range(0,10):
		SpawnEnemy(3800 + randi()%220, randi()%720)