338 lines
8.2 KiB
GDScript
338 lines
8.2 KiB
GDScript
@tool
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class_name Npc2D extends AnimatedSprite2D
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signal interacted
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signal talk_finished # 在 unlock player 之前发射
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# 常量定义
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const SPEAKING_SIGN_FADE_DURATION := 0.3
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const SPEAKING_SCALE_MULTIPLIER := 1.3
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enum SpeakingSignMode { HIDDEN = 0, SILENT = 1, SPEAKING = 2 }
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# 导出变量
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@export var snap_to_edge := true
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@export var walk_to_edge_width := 25.0
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@export var action_key := 4
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@export var enabled := true:
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set(val):
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enabled = val
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if is_node_ready():
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_align_signs_status()
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@export var sign_mark_height := 10.0:
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set(val):
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sign_mark_height = val
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if is_node_ready() and sign_mark:
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sign_mark.sign_mark_offset.y = -sign_mark_height
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@export var speaking_sign_height := 60.0:
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set(val):
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speaking_sign_height = val
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if is_node_ready() and speaking_sign:
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speaking_sign.position.y = -speaking_sign_height
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@export var sign_x_offset := 0.0:
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set(val):
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sign_x_offset = val
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if is_node_ready():
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_update_sign_x_positions()
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@export var collision_width_and_x := Vector2(20.0, 0):
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set(val):
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collision_width_and_x = val
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if is_node_ready():
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_update_collision_shape()
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# 节点引用
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@onready var speaking_animation = %SpeakingAnimationPlayer
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@onready var speaking_sign = %SpeakingSign2D as Node2D
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@onready var sign_mark = %Sign as Sign
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@onready var sign_snapper = %SignSnapper as SignSnapper
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@onready var area2d = %Area2D as Area2D
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# 内部变量
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var ground_archive: GroundArchive
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var icount: int:
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set(val):
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if icount == val:
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return
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icount = val
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if ground_archive:
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ground_archive.set_pair(name, "icount", val)
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_align_signs_status()
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var dialogue_title := ""
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var dialogue_res = preload("res://asset/dialogue/npc.dialogue")
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var base_scale := Vector2.ONE
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var base_mod := Color.WHITE_SMOKE
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var speaking_sign_tween: Tween
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var speaking_sign_mode := SpeakingSignMode.HIDDEN:
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set(val):
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if speaking_sign_mode == val:
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return
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speaking_sign_mode = val
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_update_speaking_sign_mode()
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# 强制播放状态管理
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var is_hooked := false
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var hook_id := 0 # 用于追踪hook会话，避免异步问题
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func _ready() -> void:
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_initialize_components()
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if Engine.is_editor_hint():
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_setup_editor_preview()
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return
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_setup_game_mode()
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_align_signs_status()
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func _initialize_components() -> void:
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# 设置标记位置
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if sign_mark:
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sign_mark.sign_mark_offset.y = -sign_mark_height
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sign_mark.position.x = sign_x_offset
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if speaking_sign:
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speaking_sign.position.y = -speaking_sign_height
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speaking_sign.position.x = sign_x_offset
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base_scale = speaking_sign.scale
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base_mod = speaking_sign.modulate
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speaking_sign.modulate.a = 0.0
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# 设置碰撞形状
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_update_collision_shape()
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# 配置 sign_snapper
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if sign_snapper:
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sign_snapper.action_on_arrived = action_key
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sign_snapper.radius = walk_to_edge_width
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sign_snapper.enabled = snap_to_edge
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func _setup_editor_preview() -> void:
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if speaking_sign:
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speaking_sign.visible = true
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speaking_sign.modulate.a = 1.0
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var sprite = speaking_sign.get_node_or_null("Sprite2D")
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if sprite:
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sprite.position.x = -60.0
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sprite.frame = 2
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if sign_mark:
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sign_mark.display_sign = true
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func _setup_game_mode() -> void:
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# 获取存档数据
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ground_archive = ArchiveManager.archive.ground_archive()
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icount = ground_archive.get_value(name, "icount", 0)
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# 连接信号
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if snap_to_edge and sign_snapper:
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sign_snapper.arrived.connect(_on_interacted)
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elif sign_mark:
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sign_mark.interacted.connect(_on_interacted)
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if sign_mark:
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sign_mark.toggle_active.connect(_on_toggle_active)
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visibility_changed.connect(_on_visibility_changed)
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# 开始动画
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if sprite_frames and animation:
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play()
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func _update_sign_x_positions() -> void:
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if speaking_sign:
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speaking_sign.position.x = sign_x_offset
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if sign_mark:
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sign_mark.position.x = sign_x_offset
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func _update_collision_shape() -> void:
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if not area2d:
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return
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var collision_shape = area2d.get_node_or_null("CollisionShape2D")
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if collision_shape and collision_shape.shape:
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collision_shape.shape.size.x = collision_width_and_x.x
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area2d.position.x = collision_width_and_x.y
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func _update_speaking_sign_mode() -> void:
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if not speaking_sign:
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return
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# 清理之前的补间动画
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if speaking_sign_tween and speaking_sign_tween.is_valid():
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speaking_sign_tween.kill()
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speaking_sign_tween = create_tween()
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match speaking_sign_mode:
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SpeakingSignMode.HIDDEN:
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speaking_sign_tween.tween_property(
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speaking_sign, "modulate:a", 0.0, SPEAKING_SIGN_FADE_DURATION
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)
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if speaking_animation:
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speaking_animation.stop()
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SpeakingSignMode.SILENT:
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speaking_sign_tween.tween_property(
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speaking_sign, "modulate", base_mod, SPEAKING_SIGN_FADE_DURATION
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)
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speaking_sign_tween.parallel().tween_property(
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speaking_sign, "scale", base_scale, SPEAKING_SIGN_FADE_DURATION
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)
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if speaking_animation:
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speaking_animation.play("speaking")
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SpeakingSignMode.SPEAKING:
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speaking_sign_tween.tween_property(
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speaking_sign, "modulate", Color.WHITE, SPEAKING_SIGN_FADE_DURATION
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)
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speaking_sign_tween.parallel().tween_property(
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speaking_sign,
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"scale",
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base_scale * SPEAKING_SCALE_MULTIPLIER,
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SPEAKING_SIGN_FADE_DURATION
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)
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if speaking_animation:
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speaking_animation.play("speaking")
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func _on_visibility_changed() -> void:
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_align_signs_status()
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func _align_signs_status() -> void:
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if not is_node_ready():
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return
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var is_active = enabled and is_visible_in_tree()
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if sign_mark:
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sign_mark.enabled = is_active
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sign_mark.display_sign = icount == 0
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if speaking_sign:
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speaking_sign.visible = enabled and (icount > 0 or is_hooked)
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func _on_toggle_active(activated: bool) -> void:
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# 如果处于hook状态，不响应正常的toggle
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if is_hooked:
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return
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if not activated:
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speaking_sign_mode = SpeakingSignMode.HIDDEN
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elif speaking_sign_mode == SpeakingSignMode.HIDDEN:
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speaking_sign_mode = SpeakingSignMode.SILENT
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func _on_interacted() -> void:
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if not dialogue_title:
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return
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# 如果正在hook播放，先取消hook
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if is_hooked:
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_cancel_hook()
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SceneManager.lock_player(0, action_key)
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icount += 1
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if ground_archive:
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ground_archive.set_pair(name, "icount", icount)
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DialogueManager.show_dialogue_balloon(dialogue_res, dialogue_title)
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interacted.emit()
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var was_out_of_range = speaking_sign_mode == SpeakingSignMode.HIDDEN
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speaking_sign_mode = SpeakingSignMode.SPEAKING
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await DialogueManager.dialogue_ended
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speaking_sign_mode = SpeakingSignMode.HIDDEN if was_out_of_range else SpeakingSignMode.SILENT
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talk_finished.emit()
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SceneManager.unlock_player()
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# 新增：强制播放说话动画
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func hook_speaking() -> int:
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# 强制显示说话气泡动画
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# 返回值：hook会话ID，用于验证unhook的有效性
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is_hooked = true
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hook_id += 1
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var current_hook_id = hook_id
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# 确保speaking_sign可见
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if speaking_sign and not speaking_sign.visible:
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speaking_sign.visible = true
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# 保存当前状态并切换到说话模式
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speaking_sign_mode = SpeakingSignMode.SPEAKING
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return current_hook_id
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# 新增：退出强制播放
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func unhook_speaking(session_id: int = -1) -> void:
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# 退出强制播放模式
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# 参数：
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# session_id: hook会话ID，如果不匹配则忽略此次unhook
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# 如果已经不在hook状态，或session_id不匹配，则忽略
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if not is_hooked or (session_id != -1 and session_id != hook_id):
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return
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_cancel_hook()
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# 新增：内部取消hook的方法
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func _cancel_hook() -> void:
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# 内部使用的取消hook方法
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is_hooked = false
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# 恢复到适当的状态
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if sign_mark and sign_mark.activated:
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speaking_sign_mode = SpeakingSignMode.SILENT
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else:
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speaking_sign_mode = SpeakingSignMode.HIDDEN
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# 重新对齐显示状态
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_align_signs_status()
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# 新增：检查是否正在hook播放
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func is_hook_speaking() -> bool:
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"""返回当前是否处于强制播放状态"""
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return is_hooked
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func _get(property: StringName) -> Variant:
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if property == "dialogue_title":
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return dialogue_title
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return null
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func _set(property: StringName, value: Variant) -> bool:
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if property == "dialogue_title":
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dialogue_title = value
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return true
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return false
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func _get_property_list() -> Array[Dictionary]:
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var hint_str = ""
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if Engine.is_editor_hint() and dialogue_res:
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hint_str = ",".join(dialogue_res.get_ordered_titles())
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return [
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{
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"name": "dialogue_title",
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"type": TYPE_STRING,
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"hint": PROPERTY_HINT_ENUM_SUGGESTION,
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"hint_string": hint_str
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}
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]
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