157 lines
4.5 KiB
GDScript
157 lines
4.5 KiB
GDScript
# Escoria main room handling and scene switcher
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extends Node
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# This script is basically the scene-switcher.
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# Global id of the last scene the player was before current scene
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var last_scene_global_id: String
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# Current scene room being displayed
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var current_scene: Node
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# The Escoria context currently in wait state
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var wait_level
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# FIXME Document this variable
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var screen_ofs = Vector2(0, 0)
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# Reference to the ESCBackgroundMusic node
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onready var bg_music = $bg_music
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# Reference to the scene transition node
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onready var scene_transition = $layers/curtain/scene_transition
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# Connect the wait timer event
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func _ready() -> void:
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$layers/wait_timer.connect("timeout", self, "_on_wait_finished")
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# Set current scene
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#
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# #### Parameters
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#
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# - p_scene: Scene to set
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func set_scene(p_scene: Node) -> void:
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if !p_scene:
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escoria.logger.report_errors("main", ["Trying to set empty scene"])
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if current_scene != null:
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clear_scene()
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add_child(p_scene)
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move_child(p_scene, 0)
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current_scene = p_scene
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check_game_scene_methods()
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set_camera_limits()
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# Cleanup the current scene
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func clear_scene() -> void:
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if current_scene == null:
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return
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escoria.action_manager.clear_current_action()
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escoria.action_manager.clear_current_tool()
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remove_child(current_scene)
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current_scene.free()
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current_scene = null
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# Triggered, when the wait has finished
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func _on_wait_finished() -> void:
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escoria.esc_level_runner.finished(wait_level)
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# Set the camera limits
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#
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# #### Parameters
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#
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# * camera_limits_id: The id of the room's camera limits to set
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func set_camera_limits(camera_limit_id: int = 0) -> void:
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var limits = {}
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var scene_camera_limits = current_scene.camera_limits[camera_limit_id]
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if scene_camera_limits.size.x == 0 and scene_camera_limits.size.y == 0:
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var area = Rect2()
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for child in current_scene.get_children():
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if child is ESCBackground:
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area = child.get_full_area_rect2()
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break
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# if the background is smaller than the viewport, we want the camera
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# to stick centered on the background
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if area.size.x == 0 or area.size.y == 0 \
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or area.size < get_viewport().size:
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escoria.logger.report_warning(
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"main.gd:set_camera_limits()",
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"No limit area! Using viewport."
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)
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area.size = get_viewport().size
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escoria.logger.info("Setting camera limits from scene ", [area])
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limits = ESCCameraLimits.new(
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area.position.x,
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area.position.x + area.size.x,
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area.position.y,
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area.position.y + area.size.y
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)
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else:
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limits = ESCCameraLimits.new(
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scene_camera_limits.position.x,
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scene_camera_limits.position.x + \
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scene_camera_limits.size.x,
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scene_camera_limits.position.y,
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scene_camera_limits.position.y + \
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scene_camera_limits.size.y + screen_ofs.y * 2
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)
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escoria.logger.info(
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"Setting camera limits from parameter ",
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[scene_camera_limits]
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)
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current_scene.game.get_node("camera").set_limits(limits)
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current_scene.game.get_node("camera").set_offset(screen_ofs * 2)
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func save_game(p_savegame_res: Resource) -> void:
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p_savegame_res.main = {
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ESCSaveGame.MAIN_LAST_SCENE_GLOBAL_ID_KEY: last_scene_global_id,
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ESCSaveGame.MAIN_CURRENT_SCENE_FILENAME_KEY: current_scene.filename
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}
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# Sanity check that the game.tscn scene's root node script MUST
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# implement the following methods. If they do not exist, stop immediately.
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# Implement them, even if empty
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func check_game_scene_methods():
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assert(current_scene.game.has_method("left_click_on_bg"))
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assert(current_scene.game.has_method("right_click_on_bg"))
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assert(current_scene.game.has_method("left_double_click_on_bg"))
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assert(current_scene.game.has_method("element_focused"))
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assert(current_scene.game.has_method("element_unfocused"))
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assert(current_scene.game.has_method("left_click_on_item"))
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assert(current_scene.game.has_method("right_click_on_item"))
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assert(current_scene.game.has_method("left_double_click_on_item"))
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assert(current_scene.game.has_method("open_inventory"))
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assert(current_scene.game.has_method("close_inventory"))
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assert(current_scene.game.has_method("left_click_on_inventory_item"))
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assert(current_scene.game.has_method("right_click_on_inventory_item"))
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assert(current_scene.game.has_method("left_double_click_on_inventory_item"))
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assert(current_scene.game.has_method("inventory_item_focused"))
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assert(current_scene.game.has_method("inventory_item_unfocused"))
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assert(current_scene.game.has_method("mousewheel_action"))
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assert(current_scene.game.has_method("hide_ui"))
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assert(current_scene.game.has_method("show_ui"))
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assert(current_scene.game.has_method("_on_event_done"))
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