178 lines
8.6 KiB
Python
178 lines
8.6 KiB
Python
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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MetaHuman Body Animation
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"""
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import os # 导入os模块
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import sys # 导入sys模块
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import json # 导入json模块
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import maya.cmds as cmds # 导入maya命令模块
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def mgApplyBodyMocap():
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objLs = cmds.ls(sl=1) # 获取当前选中的对象列表
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namespace = ''
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filePath = cmds.fileDialog2(fileMode=1, caption="Import Metahuman Body Animation") # 打开文件对话框以选择动画文件
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if not filePath:
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print("No file selected.") # 如果未选择文件，打印消息并返回
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return
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filePath = filePath[0] # 获取选择的文件路径
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if len(objLs) > 0:
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if ':' in objLs[0]:
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namespace = objLs[0].split(':')[0] + ':' # 获取选中对象的命名空间
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else:
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namespace = ''
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# 加载JSON文件
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try:
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with open(filePath, 'r') as f:
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anim_keys = json.load(f) # 读取并加载json文件
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except ValueError as e:
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print("Error loading JSON file:", e) # 如果加载json文件出错，打印错误消息并返回
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return
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# 要转换的控制器列表
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controllers_to_convert = [
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'hips_ctrl', 'spine_01_ctrl', 'spine_02_ctrl', 'spine_03_ctrl',
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'neck_01_ctrl', 'neck_02_ctrl', 'head_ctrl', 'body_ctrl'
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]
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controllers_to_special_convert_l = [
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'hand_l_ik_ctrl', 'foot_l_ik_ctrl'
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]
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controllers_to_special_convert_r = [
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'hand_r_ik_ctrl', 'foot_r_ik_ctrl'
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]
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for dict_key in anim_keys:
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keyframes_list = anim_keys[dict_key] # 获取当前控制器的关键帧列表
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ctrl = dict_key
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attr = 'translateY'
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if '.' in ctrl:
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ctrl_string_list = ctrl.split('.')
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ctrl = ctrl_string_list[0]
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if len(ctrl_string_list) > 2:
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attr = ctrl_string_list[1].replace('Location', 'translate').replace('Rotation', 'rotate').replace('Scale', 'scale') + ctrl_string_list[-1].upper()
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else:
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attr = 'translate' + ctrl_string_list[-1].upper()
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# 检查控制器名称末尾是否有数字
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ctrl_name = ctrl
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if ctrl_name.split('_')[-1].isdigit():
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ctrl_name = ctrl_name.replace('_' + ctrl_name.split('_')[-1], '')
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ctrl_name = namespace + ctrl_name # 添加命名空间到控制器名称
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if cmds.objExists(ctrl_name): # 如果控制器对象存在
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for key_num in range(0, len(keyframes_list)):
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key_val = keyframes_list[key_num]
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key_value = key_val[0]
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key_time = key_val[1]
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# 初始化变量以存储旋转值和平移值
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rotateX = None
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rotateY = None
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rotateZ = None
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translateX = None
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translateY = None
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translateZ = None
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# 将关键帧值分配给适当的属性
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if 'rotateX' in attr:
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rotateX = key_value
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elif 'rotateY' in attr:
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rotateY = key_value
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elif 'rotateZ' in attr:
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rotateZ = key_value
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elif 'translateX' in attr:
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translateX = key_value
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elif 'translateY' in attr:
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translateY = key_value
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elif 'translateZ' in attr:
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translateZ = key_value
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# 对指定控制器的旋转进行特殊处理
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if ctrl_name in controllers_to_convert:
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if rotateX is not None:
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# 将X旋转转换为Z旋转，并取负值
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cmds.setKeyframe(ctrl_name, attribute='rotateZ', v=-rotateX, t=key_time)
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if rotateZ is not None:
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# 将Z旋转转换为X旋转，并取负值
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cmds.setKeyframe(ctrl_name, attribute='rotateX', v=-rotateZ, t=key_time)
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if rotateY is not None:
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cmds.setKeyframe(ctrl_name, attribute='rotateY', v=rotateY, t=key_time)
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# 确保body_ctrl的平移数据被正确导入
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if ctrl_name == 'body_ctrl':
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if translateX is not None:
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# 将X平移转换为Z平移，并取负值
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cmds.setKeyframe(ctrl_name, attribute='translateZ', v=-translateX, t=key_time)
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if translateY is not None:
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# 将Y平移转换为负值
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cmds.setKeyframe(ctrl_name, attribute='translateY', v=-translateY, t=key_time)
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if translateZ is not None:
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# 将Z平移转换为X平移
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cmds.setKeyframe(ctrl_name, attribute='translateX', v=translateZ, t=key_time)
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elif ctrl_name in controllers_to_special_convert_l:
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if rotateX is not None:
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# 将X旋转转换为Z旋转，并取负值
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cmds.setKeyframe(ctrl_name, attribute='rotateZ', v=-rotateX, t=key_time)
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if rotateZ is not None:
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# 将Z旋转转换为X旋转，并取负值
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cmds.setKeyframe(ctrl_name, attribute='rotateX', v=-rotateZ, t=key_time)
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if rotateY is not None:
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# 将Y旋转转换为负值
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cmds.setKeyframe(ctrl_name, attribute='rotateY', v=-rotateY, t=key_time)
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if translateX is not None:
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# 将X平移转换为Z平移，并取负值
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cmds.setKeyframe(ctrl_name, attribute='translateZ', v=-translateX, t=key_time)
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if translateY is not None:
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# 将Y平移转换为负值
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cmds.setKeyframe(ctrl_name, attribute='translateY', v=-translateY, t=key_time)
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if translateZ is not None:
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# 将Z平移转换为X平移，不取负值
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cmds.setKeyframe(ctrl_name, attribute='translateX', v=translateZ, t=key_time)
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elif ctrl_name in controllers_to_special_convert_r:
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if rotateX is not None:
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# 将X旋转转换为Z旋转，并取负值
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cmds.setKeyframe(ctrl_name, attribute='rotateZ', v=-rotateX, t=key_time)
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if rotateZ is not None:
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# 将Z旋转转换为X旋转，并取负值
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cmds.setKeyframe(ctrl_name, attribute='rotateX', v=-rotateZ, t=key_time)
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if rotateY is not None:
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# 将Y旋转转换为负值
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cmds.setKeyframe(ctrl_name, attribute='rotateY', v=-rotateY, t=key_time)
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if translateX is not None:
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# 将X平移转换为Z平移，不取负值
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cmds.setKeyframe(ctrl_name, attribute='translateZ', v=translateX, t=key_time)
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if translateY is not None:
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# 将Y平移导入，但不转换
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cmds.setKeyframe(ctrl_name, attribute='translateY', v=translateY, t=key_time)
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if translateZ is not None:
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# 将Z平移转换为X平移，并取负值
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cmds.setKeyframe(ctrl_name, attribute='translateX', v=-translateZ, t=key_time)
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else:
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# 对于其他控制器，将Y旋转和Z旋转取负值
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if rotateY is not None:
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cmds.setKeyframe(ctrl_name, attribute='rotateY', v=-rotateY, t=key_time)
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if rotateZ is not None:
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cmds.setKeyframe(ctrl_name, attribute='rotateZ', v=-rotateZ, t=key_time)
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if rotateX is not None:
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cmds.setKeyframe(ctrl_name, attribute='rotateX', v=rotateX, t=key_time)
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# 对于非指定控制器，直接设置平移数据
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if translateX is not None:
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cmds.setKeyframe(ctrl_name, attribute='translateX', v=translateX, t=key_time)
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if translateY is not None:
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cmds.setKeyframe(ctrl_name, attribute='translateY', v=translateY, t=key_time)
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if translateZ is not None:
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cmds.setKeyframe(ctrl_name, attribute='translateZ', v=translateZ, t=key_time)
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else:
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print('Skipping ' + ctrl_name + ' as no such object exists.') # 如果对象不存在，打印跳过消息
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print('Applied Animation to Body Rig.') # 打印应用动画完成消息
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mgApplyBodyMocap() # 调用导入函数
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