91 lines
2.6 KiB
GDScript
91 lines
2.6 KiB
GDScript
extends Node
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const mainmenu_player_pos: Vector2 = Vector2(0, 128 + 32)
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class Entrypoint extends Object:
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var scene_name: String
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var player_position: Vector2
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var keep_velocity: bool
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var initial_velocity: Vector2
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func _init(
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scene_name_: String,
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player_position_: Vector2,
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# keep player velocity
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# if player velocity is zero, use initial_velocity
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keep_velocity_: bool = true,
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# initial player velocity
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initial_velocity_: Vector2 = Vector2.ZERO
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) -> void:
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self.scene_name = scene_name_
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self.player_position = player_position_
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self.keep_velocity = keep_velocity_
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self.initial_velocity = initial_velocity_
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const SCENES = {
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"intro": "uid://c6w7lrydi43ts",
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"test": "uid://dqf665b540tfg",
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}
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var MENU_SCENE: PackedScene = preload("res://menu/menu.tscn")
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var ENTRYPOINTS = {
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"intro_start": Entrypoint.new("intro", Vector2(0, 0)),
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"test": Entrypoint.new("test", Vector2(0, 200), false, Vector2(0, -500)),
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}
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# load that stuff
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var current_scene_name: String = ""
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func _pre_load_checks() -> bool:
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if NodeRegistry.level_root_container == null:
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push_error("Can't load level, level_root is not registered yet.")
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return false
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if NodeRegistry.player == null:
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push_error("Can't load entrypoint, player is not registered yet.")
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return false
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return true
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func load_scene(scn_name: String, force_reload: bool = false) -> bool:
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# returns true on success
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if current_scene_name == scn_name and not force_reload:
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return true # nothing to do :)
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if not _pre_load_checks():
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return false
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if not scn_name in SCENES:
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push_error("Level " + scn_name + " doesn't exist.")
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return false
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unload_scene()
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var scn = load(SCENES[scn_name])
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NodeRegistry.level_root_container.add_child(scn.instantiate())
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return true
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func unload_scene():
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if NodeRegistry.level_root_container != null:
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for c in NodeRegistry.level_root_container.get_children():
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c.queue_free()
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func load_entrypoint(ep_name: String) -> bool: # returns true on success
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if not ep_name in ENTRYPOINTS:
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push_error("Entrypoint " + ep_name + " doesn't exist.")
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return false
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if not _pre_load_checks():
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return false
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var e: Entrypoint = ENTRYPOINTS[ep_name]
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var loaded = false
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if load_scene(e.scene_name):
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NodeRegistry.player.position = e.player_position
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if not e.keep_velocity or NodeRegistry.player.velocity == Vector2.ZERO:
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NodeRegistry.player.velocity = e.initial_velocity
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Gamestate.last_entrypoint = ep_name
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Gamestate.save_slot() # save game
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return true
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else:
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return false
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func load_menu():
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if not _pre_load_checks():
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return false
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unload_scene()
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NodeRegistry.level_root_container.add_child(MENU_SCENE.instantiate())
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NodeRegistry.player.position = mainmenu_player_pos
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return true
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