115 lines
3.7 KiB
GDScript
115 lines
3.7 KiB
GDScript
extends Node
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var StartScreen = preload("res://screens/start_screen.tscn")
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var LevelSelectScreen = preload("res://screens/level_select_screen.tscn")
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var GameScreen = preload("res://screens/game_screen.tscn")
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var GameOverScreen = preload("res://screens/game_over_screen.tscn")
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var PauseScreen = preload("res://screens/pause_screen.tscn")
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var HighScores = preload("res://tools/highscores.gd")
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var Levels = preload("res://tools/levels.gd")
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# Variables
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var current_screen = null # Current displayed screen
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var current_state = "" # Current state
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var game_screen = null # To store the game screen while in pause
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var highscores = HighScores.new() # Object to keep the scores
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var levels = Levels.new() # Object to keep the levels
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func _ready():
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# Read the high scores
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highscores.load_scores()
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# Go to the start screen
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goToStartScreen()
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func _on_next_screen(next):
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if next == "start":
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goToStartScreen()
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if next == "select":
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goToLevelSelectScreen()
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elif next == "game":
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goToGameScreen()
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elif next == "game_won":
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goToGameOverScreen(true)
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elif next == "game_lost":
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goToGameOverScreen(false)
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elif next == "pause":
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goToPauseScreen()
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func goToStartScreen():
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if current_screen != null:
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current_screen.queue_free()
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if game_screen != null:
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game_screen.queue_free()
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game_screen = null
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current_state = "start"
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current_screen = StartScreen.instance()
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current_screen.init()
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current_screen.connect("next_screen", self, "_on_next_screen")
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add_child(current_screen)
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func goToLevelSelectScreen():
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# Clean up current scene
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if current_screen != null:
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current_screen.queue_free()
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if game_screen != null:
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game_screen.queue_free()
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game_screen = null
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current_state = "select"
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current_screen = LevelSelectScreen.instance()
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current_screen.init(levels, highscores)
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current_screen.connect("next_screen", self, "_on_next_screen")
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add_child(current_screen)
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func goToGameScreen():
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if current_screen != null:
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current_screen.queue_free()
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current_state = "game"
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if game_screen != null:
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current_screen = game_screen
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current_screen.unpause()
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game_screen = null
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else:
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current_screen = GameScreen.instance()
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current_screen.init(levels.get_current())
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current_screen.connect("next_screen", self, "_on_next_screen")
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add_child(current_screen)
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func goToGameOverScreen(hasWon):
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# Retrieve score
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var score = 0
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var level_name = ""
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if current_state == "game":
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score = current_screen.get_score()
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level_name = current_screen.get_node("LevelName").text
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elif game_screen != null:
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score = game_screen.get_score()
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level_name = game_screen.get_node("LevelName").text
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# Clean up current scene
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if current_screen != null:
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current_screen.queue_free()
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if game_screen != null:
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game_screen.queue_free()
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game_screen = null
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# Highscores are updated only when a level is won (terminated)
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var is_new_high = false
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if hasWon:
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is_new_high = highscores.set_score(level_name, score)
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# Prepare screen
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current_state = "game_over"
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current_screen = GameOverScreen.instance()
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current_screen.init(hasWon, score, is_new_high)
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current_screen.connect("next_screen", self, "_on_next_screen")
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add_child(current_screen)
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func goToPauseScreen():
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if current_state == "game":
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game_screen = current_screen
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game_screen.pause()
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elif current_screen != null:
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current_screen.queue_free()
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current_state = "pause"
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current_screen = PauseScreen.instance()
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current_screen.init()
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current_screen.connect("next_screen", self, "_on_next_screen")
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add_child(current_screen)
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