159 lines
5.2 KiB
GDScript
159 lines
5.2 KiB
GDScript
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
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# Current scene room being displayed
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var current_scene
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var wait_level
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var screen_ofs = Vector2(0, 0)
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func _ready():
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$layers/wait_timer.connect("timeout", self, "_on_wait_finished")
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func set_scene(p_scene, run_events=true):
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"""
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Sets p_scene as current scene
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If run_events=true, plays the events defined in :setup event
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"""
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if !p_scene:
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escoria.report_errors("main", ["Trying to set empty scene"])
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# Ensure we don't have a regular event running when changing scenes
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if escoria.esc_runner.running_event:
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assert(escoria.esc_runner.running_event.ev_name == "load")
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if "esc_script" in p_scene and p_scene.esc_script and run_events:
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var events = escoria.esc_compiler.load_esc_file(p_scene.esc_script)
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# :setup is pretty much required in the code, but fortunately
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# we can help out with cases where one isn't necessary otherwise
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if not "setup" in events:
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var fake_setup = escoria.esc_compiler.compile_str(":setup\n")
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events["setup"] = fake_setup["setup"]
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escoria.esc_runner.run_event(events["setup"])
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# If scene was never visited, run "ready" event
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if !escoria.esc_runner.scenes_cache.has(p_scene.global_id) \
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and "ready" in events:
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escoria.esc_runner.run_event(events["ready"])
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if current_scene != null:
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clear_scene()
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# var game_scene =
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get_node("/root").add_child(p_scene)
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set_current_scene(p_scene, run_events)
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set_camera_limits()
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func set_current_scene(p_scene, run_events=true):
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current_scene = p_scene
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$"/root".move_child(current_scene, 0)
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# Loading a save game must set the scene but not run events
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if "events_path" in current_scene and current_scene.events_path and run_events:
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if escoria.esc_runner.game:
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# Having a game with `:setup` means we must wait for it to finish
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if "setup" in escoria.esc_runner.game:
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if not escoria.esc_runner.running_event:
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escoria.report_errors("main.gd:set_current_scene()", ["escoria.esc_runner.game has setup but no running_event"])
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if escoria.esc_runner.running_event.ev_name != "setup":
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escoria.report_errors("main.gd:set_current_scene()", ["escoria.esc_runner.game has setup but it is not running: " + escoria.esc_runner.running_event.ev_name])
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yield(escoria.esc_runner, "event_done")
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else:
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escoria.esc_compiler.load_file(current_scene.events_path)
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# For a new game, we must run `:setup` if available
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# and wait for it to finish
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if "setup" in escoria.esc_runner.game:
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escoria.esc_runner.run_event(escoria.esc_runner.game["setup"])
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yield(escoria.esc_runner, "event_done")
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# Because 1) changing a scene and 2) having a scene become ready
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# both call `set_current_scene`, we don't want to duplicate thing
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if not escoria.esc_runner.running_event:
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escoria.esc_runner.run_game()
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escoria.esc_runner.register_object("_scene", p_scene, true) # Force overwrite of global
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func clear_scene():
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if current_scene == null:
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return
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escoria.esc_runner.clear_current_action()
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escoria.esc_runner.clear_current_tool()
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# escoria.esc_runner.hover_clear_stack()
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# escoria.clear_inventory()
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last_scene_global_id = current_scene.global_id
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escoria.esc_runner.set_global("ESC_LAST_SCENE", last_scene_global_id, true)
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get_node("/root").remove_child(current_scene)
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current_scene.free()
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current_scene = null
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func wait(params : Array, level):
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wait_level = level
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$layers/wait_timer.set_wait_time(float(params[0]))
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$layers/wait_timer.set_one_shot(true)
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$layers/wait_timer.start()
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func _on_wait_finished():
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escoria.esc_level_runner.finished(wait_level)
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func set_camera_limits():
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var limits = {}
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var scene_camera_limits = current_scene.camera_limits
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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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var pos = child.get_global_position()
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var size : Vector2
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if child.get_texture():
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size = child.get_texture().get_size()
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else:
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size = child.rect_size
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if child.rect_scale.x != 1 or child.rect_scale.y != 1:
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size.x *= child.rect_scale.x
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size.y *= child.rect_scale.y
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area = area.expand(pos)
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area = area.expand(pos + size)
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break
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# if the background is smaller than the viewport, we want the camera to stick centered on the background
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if area.size.x == 0 or area.size.y == 0 or area.size < get_viewport().size:
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printt("No limit area! Using viewport")
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area.size = get_viewport().size
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printt("setting camera limits from scene ", area)
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limits = {
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"limit_left": area.position.x,
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"limit_right": area.position.x + area.size.x,
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"limit_top": area.position.y,
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"limit_bottom": area.position.y + area.size.y,
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"set_default": true,
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}
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else:
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limits = {
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"limit_left": scene_camera_limits.position.x,
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"limit_right": scene_camera_limits.position.x + scene_camera_limits.size.x,
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"limit_top": scene_camera_limits.position.y,
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"limit_bottom": scene_camera_limits.position.y + scene_camera_limits.size.y + screen_ofs.y * 2,
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"set_default": true,
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}
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printt("setting camera limits from parameter ", scene_camera_limits)
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escoria.esc_runner.get_object("camera").set_limits(limits)
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escoria.esc_runner.get_object("camera").set_offset(screen_ofs * 2)
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