146 lines
4.1 KiB
GDScript
146 lines
4.1 KiB
GDScript
class_name RootUI
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extends CanvasLayer
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@export var startup_scene:PackedScene
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@export var game_scene:PackedScene
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@export var autostart_game_scene:bool = true
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@onready var scene = %Scene
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@onready var ui_panels:Array = [ %MainMenuUI, %NewGameUI, %GameUI ]
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@onready var active_ui_panel:Control = null
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enum ROOT_UI_STATE { UNDEFINED, MENU, GAME }
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var _root_ui_state:ROOT_UI_STATE = ROOT_UI_STATE.UNDEFINED
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var current_level_resource:String
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func _ready():
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if autostart_game_scene:
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load_scene(game_scene)
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set_root_ui_state(ROOT_UI_STATE.GAME)
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else:
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set_root_ui_state(ROOT_UI_STATE.MENU)
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func activate_ui_panel(ui_panel:Control):
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for control in ui_panels:
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if control == ui_panel:
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control.visible = true
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else:
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control.visible = false
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active_ui_panel = ui_panel
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func load_scene(scene_resource:PackedScene):
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for scene_child in scene.get_children():
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scene_child.queue_free()
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scene_child.get_parent().remove_child(scene_child)
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print("Loading level '" + scene_resource.resource_path + "'")
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scene.add_child(scene_resource .instantiate())
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current_level_resource = scene_resource.resource_path
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func save_game():
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var player:Player = scene.find_child("Player", true, false)
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if player == null:
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push_error("Cannot load game: no player found!")
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return
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var save_game:SaveGame = SaveGame.new()
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save_game.level = current_level_resource
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save_game.level_pickup_items = %GameUI.picked_up_level_items
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save_game.player_transform = player.global_transform
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for node:Node in get_tree().get_nodes_in_group("quest_state"):
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save_game.quest_states[node.name] = {}
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for property in node.get_property_list():
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if (property.usage & PROPERTY_USAGE_STORAGE != 0) and (property.usage & PROPERTY_USAGE_SCRIPT_VARIABLE) != 0:
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save_game.quest_states[node.name][property.name] = node.get(property.name)
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for item_stack in player.inventory.get_item_stacks():
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save_game.inventory.append({"item": item_stack.item, "count": item_stack.count})
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ResourceSaver.save(save_game, "user://savegame.tres")
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activate_ui_panel(%GameUI)
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func load_game():
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set_root_ui_state(RootUI.ROOT_UI_STATE.UNDEFINED)
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%GameUI.picked_up_level_items.clear()
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var save_game:SaveGame = load("user://savegame.tres") as SaveGame
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var level_resource:PackedScene = load(save_game.level)
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load_scene(level_resource)
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var player:Player = scene.find_child("Player", true, false)
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if player == null:
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push_error("Cannot load game: no player found!")
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return
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print("main.gd:load_gameq() Player = " + str(player))
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player.global_transform = save_game.player_transform
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# Quest state
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for node:Node in get_tree().get_nodes_in_group("quest_state"):
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for property in node.get_property_list():
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if (property.usage & PROPERTY_USAGE_STORAGE != 0) and (property.usage & PROPERTY_USAGE_SCRIPT_VARIABLE) != 0:
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node.set(property.name, save_game.quest_states[node.name][property.name])
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# Inventory
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player.inventory.clear()
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var inventory_item_stacks:Array[ItemStack] = player.inventory.get_item_stacks()
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assert(inventory_item_stacks.size() >= save_game.inventory.size())
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for i in range(save_game.inventory.size()):
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inventory_item_stacks[i].item = save_game.inventory[i]["item"]
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inventory_item_stacks[i].count = save_game.inventory[i]["count"]
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# Picked up items
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for item_path in save_game.level_pickup_items:
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if get_tree().root.has_node(item_path):
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var item_node = get_tree().root.get_node(item_path)
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%GameUI.picked_up_level_items.append(item_path)
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item_node.queue_free()
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set_root_ui_state(RootUI.ROOT_UI_STATE.GAME)
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func set_root_ui_state(state:ROOT_UI_STATE):
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if _root_ui_state == state:
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return
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if state == ROOT_UI_STATE.GAME:
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%GameUI.activate_game_scene(scene.get_child(0))
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activate_ui_panel(%GameUI)
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elif state == ROOT_UI_STATE.MENU:
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load_scene(startup_scene)
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%GameUI.activate_game_scene(null)
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activate_ui_panel(%MainMenuUI)
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_root_ui_state = state
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func _on_start_game_button_pressed():
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load_scene(game_scene)
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set_root_ui_state(ROOT_UI_STATE.GAME)
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func _on_quit_button_pressed():
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get_tree().quit()
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func _on_new_game_button_pressed():
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activate_ui_panel(%NewGameUI)
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func _to_main_menu_button_pressed():
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set_root_ui_state(ROOT_UI_STATE.MENU)
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