#!/usr/bin/env python3
# -*- coding: utf-8 -*-

"""
移动脚本 - 让对象在指定方向上来回移动
"""

from core.script_system import ScriptBase
import math

class MoverScript(ScriptBase):
    """移动脚本类"""
    
    def __init__(self):
        super().__init__()
        
        # 移动参数
        self.move_distance = 5.0       # 移动距离
        self.move_speed = 2.0          # 移动速度 (单位/秒)
        self.move_axis = "x"           # 移动轴: "x", "y", "z"
        
        # 内部变量
        self.start_position = None     # 起始位置
        self.current_direction = 1     # 当前移动方向: 1或-1
        self.current_distance = 0.0    # 当前移动距离
        self.is_moving = True          # 是否正在移动
    
    def start(self):
        """脚本开始时调用"""
        self.log("移动脚本启动！")
        self.log(f"移动参数: 距离={self.move_distance}, 速度={self.move_speed}, 轴={self.move_axis}")
        
        # 记录起始位置
        self.start_position = self.gameObject.getPos()
        self.log(f"起始位置: {self.start_position}")
    
    def update(self, dt):
        """每帧更新"""
        if not self.is_moving or self.start_position is None:
            return
        
        # 计算移动增量
        move_delta = self.move_speed * dt * self.current_direction
        self.current_distance += abs(move_delta)
        
        # 检查是否需要改变方向
        if self.current_distance >= self.move_distance:
            self.current_direction *= -1
            self.current_distance = 0.0
        
        # 应用移动
        current_pos = self.gameObject.getPos()
        new_pos = [current_pos.getX(), current_pos.getY(), current_pos.getZ()]
        
        if self.move_axis == "x":
            new_pos[0] += move_delta
        elif self.move_axis == "y":
            new_pos[1] += move_delta
        elif self.move_axis == "z":
            new_pos[2] += move_delta
        
        self.gameObject.setPos(new_pos[0], new_pos[1], new_pos[2])
    
    def set_move_parameters(self, distance=None, speed=None, axis=None):
        """设置移动参数"""
        if distance is not None:
            self.move_distance = distance
        if speed is not None:
            self.move_speed = speed
        if axis is not None and axis in ["x", "y", "z"]:
            self.move_axis = axis
        
        self.log(f"移动参数更新: 距离={self.move_distance}, 速度={self.move_speed}, 轴={self.move_axis}")
    
    def toggle_movement(self):
        """切换移动状态"""
        self.is_moving = not self.is_moving
        status = "恢复" if self.is_moving else "暂停"
        self.log(f"移动{status}")
    
    def reset_position(self):
        """重置到起始位置"""
        if self.start_position:
            self.gameObject.setPos(self.start_position)
            self.current_distance = 0.0
            self.current_direction = 1
            self.log("位置已重置到起始点")
    
    def on_destroy(self):
        """脚本销毁时调用"""
        self.log("移动脚本停止")