feat: complete mobile UI implementation

project/ui/system_option_ui.gd

@@ -15,6 +15,7 @@
 # 设置持久化到 `user://system_option.cfg`（= 原 systemSetting 的配置文件）。
 extends Node
 
+const MobileTouchButton = preload("res://ui/mobile/mobile_touch_button.gd")
 const CFG_PATH := "user://system_option.cfg"
 const CAMERA_MAX := [11.0, 20.0]           # 近 / 远（game_camera.max_dist）
 const FOG_DENSITY := [0.055, 0.018, 0.004] # 浓 / 中 / 淡（Environment.fog_density）
@@ -37,6 +38,8 @@ var _env_get: Callable = Callable()
 
 var _win: Dictionary = {}
 var _cfg := ConfigFile.new()
+var _mobile_mode := false
+var _mobile_root: Control
 
 # --- 状态（= systemSetting 值）---
 var music_volume := 0.6
@@ -72,18 +75,36 @@ func setup(ui_manager: CanvasLayer, assets: String, audio_node: Node = null,
 # --- open / close ---------------------------------------------------
 
 func is_open() -> bool:
+	if _mobile_mode:
+		return _mobile_root != null and is_instance_valid(_mobile_root)
 	return not _win.is_empty() and is_instance_valid(_win.get("root"))
 
+func set_mobile_mode(enabled: bool) -> void:
+	if not enabled and _mobile_root != null:
+		var old_mode := _mobile_mode
+		_mobile_mode = true
+		close()
+		_mobile_mode = old_mode
+	_mobile_mode = enabled
+
 func toggle() -> void:
 	if is_open(): close()
 	else: open()
 
 func close() -> void:
+	if _mobile_mode:
+		if _mobile_root and is_instance_valid(_mobile_root) and ui:
+			ui.close(_mobile_root)
+		_mobile_root = null
+		return
 	if is_open():
 		ui.close(_win["root"])
 	_win = {}
 
 func open() -> void:
+	if _mobile_mode:
+		_open_mobile()
+		return
 	if is_open():
 		return
 	var path := uiscript_dir.path_join("systemoptiondialog.py")
@@ -97,6 +118,91 @@ func open() -> void:
 	_wire()
 	_sync_controls()
 
+func _open_mobile() -> void:
+	if is_open():
+		return
+	_mobile_root = Control.new()
+	_mobile_root.name = "MobileSystemOptionWindow"
+	_mobile_root.size = Vector2(680, 340)
+	_mobile_root.set_meta("mobile_title", "系统设置")
+	_mobile_root.mouse_filter = Control.MOUSE_FILTER_STOP
+	var panel := Panel.new()
+	panel.set_anchors_preset(Control.PRESET_FULL_RECT)
+	panel.add_theme_stylebox_override("panel", _mobile_panel_style())
+	_mobile_root.add_child(panel)
+	var content := VBoxContainer.new()
+	content.position = Vector2(18, 50)
+	content.size = Vector2(644, 270)
+	content.add_theme_constant_override("separation", 8)
+	_mobile_root.add_child(content)
+	_add_mobile_slider(content, "背景音乐", music_volume, func(v: float): _on_music_volume(v))
+	_add_mobile_slider(content, "音效", sound_volume, func(v: float): _on_sound_volume(v))
+	_add_mobile_radio(content, "镜头距离", ["近", "远"], camera_mode,
+		func(i: int): camera_mode = i; _apply_camera(); _save())
+	_add_mobile_radio(content, "雾", ["浓", "中", "淡"], fog_level,
+		func(i: int): fog_level = i; _apply_fog(); _save())
+	_add_mobile_radio(content, "图形内存", ["CPU", "GPU"], tiling_mode,
+		func(i: int): tiling_mode = i; _save())
+	var hint := Label.new()
+	hint.text = "设置会自动保存；图形内存选项将在下次启动时使用"
+	hint.add_theme_font_size_override("font_size", 11)
+	hint.add_theme_color_override("font_color", Color(0.62, 0.72, 0.84))
+	content.add_child(hint)
+	ui.open(_mobile_root)
+
+func _add_mobile_slider(parent: VBoxContainer, caption: String, initial: float, changed: Callable) -> void:
+	var row := HBoxContainer.new()
+	row.custom_minimum_size = Vector2(640, 42)
+	var label := Label.new()
+	label.text = caption
+	label.custom_minimum_size = Vector2(92, 38)
+	label.vertical_alignment = VERTICAL_ALIGNMENT_CENTER
+	label.add_theme_font_size_override("font_size", 13)
+	row.add_child(label)
+	var slider := HSlider.new()
+	slider.min_value = 0.0
+	slider.max_value = 1.0
+	slider.step = 0.01
+	slider.value = initial
+	slider.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+	slider.custom_minimum_size = Vector2(500, 38)
+	slider.value_changed.connect(changed)
+	row.add_child(slider)
+	parent.add_child(row)
+
+func _add_mobile_radio(parent: VBoxContainer, caption: String, choices: Array, active: int, picked: Callable) -> void:
+	var row := HBoxContainer.new()
+	row.custom_minimum_size = Vector2(640, 44)
+	var label := Label.new()
+	label.text = caption
+	label.custom_minimum_size = Vector2(92, 40)
+	label.vertical_alignment = VERTICAL_ALIGNMENT_CENTER
+	label.add_theme_font_size_override("font_size", 13)
+	row.add_child(label)
+	var buttons: Array[Button] = []
+	for i in choices.size():
+		var button := Button.new()
+		button.text = String(choices[i])
+		button.toggle_mode = true
+		button.button_pressed = i == active
+		button.custom_minimum_size = Vector2(100, 40)
+		var idx := i
+		button.pressed.connect(func():
+			for other in buttons.size():
+				buttons[other].set_pressed_no_signal(other == idx)
+			picked.call(idx))
+		buttons.append(button)
+		row.add_child(button)
+	parent.add_child(row)
+
+func _mobile_panel_style() -> StyleBoxFlat:
+	var style := StyleBoxFlat.new()
+	style.bg_color = Color(0.04, 0.065, 0.1, 0.98)
+	style.border_color = Color(0.52, 0.68, 0.9, 0.86)
+	style.set_border_width_all(1)
+	style.set_corner_radius_all(8)
+	return style
+
 func _node(nm: String) -> Control:
 	if _win.is_empty():
 		return null