TowerDefense/Globals/Game.gd

@tool
extends Node
## Game


signal cube_integrity_changed
signal money_changed
signal lose
signal allowed_tower_has_change


var upgrades : Array[CubeUpgrade] = load("res://Upgrades/cube_upgrades.tres").upgrades
var towerPackedScenes : Dictionary
var enmies : Dictionary
var towers : Dictionary


var max_health : int = 50 :
	set(value):
		var diff : int = value - max_health
		max_health = value
		health += diff

var health : int = max_health :
	set(value):
		health = clampi(value, 0, max_health)
		cube_integrity_changed.emit()
		if health <= 0:
			death()


var money : int = 0:
	set(value):
		money = value
		money_changed.emit()


var tier : int = 0
var maxTier : int = 3
var wave_health_regen : int = 0
var wave_money : int = 0
var energy_boost : int = 0


func _ready() -> void:
	process_mode = Node.PROCESS_MODE_ALWAYS
	EventBus.player_has_won.connect(win)
	EventBus.wave_finished.connect(getWaveEndIncom)
	Helper.preloadSceneInGlobal(towerPackedScenes, Helper.RESOURCE_TYPE.TOWER)
	#Helper.preloadSceneInGlobal(towerPackedScenes, Helper.RESOURCE_TYPE.ENEMY)


func _input(event: InputEvent) -> void:
	if Engine.is_editor_hint():
		return

	if event.is_action_pressed("pause_game"):
		get_tree().paused = not get_tree().paused


func getWaveEndIncom() -> void:
	health += wave_health_regen
	money += wave_money


func initTowers(allowedTowers : Array[Tower.TYPE]) -> void:
	towers.clear()
	for towerType in allowedTowers:
		var tower : Tower = towerPackedScenes.get(towerType).instantiate()
		towers.set(towerType, tower)

	allowed_tower_has_change.emit()


func resetGame() -> void:
	initTowers([])
	money = 0
	health = max_health


func win():
	Transition.goto("res://UI/win_screen.tscn")
	resetGame()


func quitLevel() -> void:
	Transition.goto("res://UI/start_menu.tscn")
	resetGame()


func quitGame() -> void:
	get_tree().quit()


func spendMoney(amount : int) -> bool:
	if money >= amount:
		money -= amount
		return true
	return false


func death():
	lose.emit()
	Transition.goto("res://UI/defeat_screen.tscn")
	resetGame()