init

rougelikeaboutmechs/core/gamemanager.gd

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+extends Node
+class_name GameManager
+
+## Use this when you have only one level
+@export var main_level: PackedScene
+## Whether the mouse should be captured while in a level
+@export var is_mouse_captured_in_level: bool = true
+
+@export_subgroup("Level Loading")
+## Whether your game contains multiple levels.
+## Uncheck if you only have one "Level" in your game
+## If disabled, no level select option will be given in the title screen
+@export var has_multiple_levels: bool = true
+## The number of the highest level. For 1 Level this is 1
+@export var max_level: int = 0
+## Formatable Strig pointing to
+@export var level_location = "res://levels/level_%s.tscn"
+
+@onready var pause_menu: Control = %PauseMenu
+@onready var menu_layer: CanvasLayer = %MenuLayer
+
+var level = 0
+var completed_levels: Array[bool] = []
+var current_level_node: Node
+
+func _ready() -> void:
+	Global.set_game_manager(self)
+	DebugGlobal.debug_label = %DebugLabel
+	for i in range(max_level): 
+		completed_levels.append(false)
+	
+	# Settings
+	var user_settings = UserDefinedSettings.new()
+	user_settings._register_settings()
+	Settings.load_config()
+
+	# Connect to InputManager
+	InputManager.game_pause.connect(pause)
+	InputManager.game_unpause.connect(resume)
+	InputManager.capture_mouse_ingame = is_mouse_captured_in_level
+	InputManager.set_is_in_game(false)
+	InputManager.set_is_paused(false)
+	
+	_show_title_screen()
+	
+func _start_game() -> void:
+	level = 0
+	_show_controls()
+
+#region Pausing
+
+func pause():
+	InputManager.set_is_paused(true)
+	move_child(menu_layer, -1)
+	pause_menu.move_to_front()
+	pause_menu.show()
+	get_tree().paused = true
+	
+func resume():
+	InputManager.set_is_paused(false)
+	print("resume")
+	pause_menu.hide()
+	pause_menu.reset()
+	get_tree().paused = false
+#endregion
+
+#region Level Loading
+
+func _unload_current_level() -> void:
+	if current_level_node != null:
+		current_level_node.queue_free()
+		current_level_node = null
+
+func _show_main_level() -> void:
+	if main_level == null:
+		push_error("main_level is not set in GameManager")
+		return
+
+	InputManager.set_is_in_game(true)
+	var next_level: Node = main_level.instantiate()
+	if next_level.has_signal("win"):
+		next_level.win.connect(_next_level)
+	if next_level.has_signal("reset"):
+		next_level.reset.connect(_reload_current_level)
+	add_child(next_level)
+	current_level_node = next_level
+	
+
+func _next_level() -> void:
+	_unload_current_level()
+
+	if level < max_level and max_level > 0:
+		InputManager.set_is_in_game(true)
+		level += 1
+		_show_level(level)
+		completed_levels[level - 1] = true
+	else: 
+		_show_win_screen()
+
+func _show_level(level_nr: int) -> void:
+	# Clean up previous level if it exists (when coming from level select)
+	_unload_current_level()
+
+	InputManager.set_is_in_game(true)
+	level = level_nr
+	var next_level = load(level_location % str(level)).instantiate()
+	if next_level.has_signal("win"):
+		next_level.win.connect(_next_level)
+	if next_level.has_signal("reset"):
+		next_level.reset.connect(_reload_current_level)
+	add_child(next_level)
+	current_level_node = next_level
+	
+func _reload_current_level() -> void:
+	_unload_current_level()
+
+	if has_multiple_levels:
+		_show_level(level)
+	else:
+		_show_main_level()
+#endregion
+
+#region Showing Different GUI views 
+
+
+func _show_win_screen() -> void:
+	InputManager.set_is_in_game(false)
+	var win_screen: Control = load("res://ui/screens/win-screen/win_screen.tscn").instantiate()
+	win_screen.tree_exited.connect(_show_title_screen)
+	add_child(win_screen)
+	
+func _show_credits() -> void:
+	var credits: Node = load("res://ui/screens/credit-screen/credit_screen.tscn").instantiate()
+	credits.tree_exited.connect(_show_title_screen)
+	menu_layer.add_child(credits)
+	
+func _show_title_screen() -> void:
+	InputManager.set_is_in_game(false)
+	var title_screen: Node = load("res://ui/screens/title-screen/title_screen.tscn").instantiate()
+	title_screen.start_game.connect(_start_game)
+	title_screen.show_credits.connect(_show_credits)
+	title_screen.show_level_select.connect(_show_level_select)
+	title_screen.show_settings_screen.connect(_show_settings_screen)
+	title_screen.quit.connect(_quit_game)
+	title_screen.show_levels(has_multiple_levels)
+	menu_layer.add_child(title_screen)
+
+func _show_level_select() -> void:
+	var level_select: Node = load("res://ui/screens/level-select-screen/level_select.tscn").instantiate()
+	level_select.start_level.connect(_show_level)
+	level_select.exit.connect(_show_title_screen)
+	level_select.init_buttons(max_level, completed_levels)
+	menu_layer.add_child(level_select)
+	
+func _show_settings_screen() -> void:
+	var settings_screen: Node = load("res://ui/screens/settings-screen/settings_screen.tscn").instantiate()
+	settings_screen.exit.connect(_show_title_screen)
+	menu_layer.add_child(settings_screen)
+	
+func _show_controls() -> void:
+	var controls: Node = load("res://ui/screens/control-screen/control_screen.tscn").instantiate()
+	if not main_level:
+		controls.tree_exited.connect(_next_level)
+	else:
+		controls.tree_exited.connect(_show_main_level)
+	menu_layer.add_child(controls)
+
+func _return_to_title_screen() -> void:
+	get_tree().paused = false
+	InputManager.set_is_paused(false)
+	InputManager.set_is_in_game(false)
+	# Destroy level
+	if current_level_node != null:
+		current_level_node.queue_free()
+		current_level_node = null
+	_show_title_screen()
+#endregion
+
+func _quit_game() -> void:
+	get_tree().paused = false
+	get_tree().quit()
+	
+func set_world_environment(env: Environment):
+	$WorldEnvironment.environment = env