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import argparse
import subprocess
import os
import json
import hashlib
from datetime import datetime
class UnityABBuilder:
def __init__(self, config):
self.config = config
self.unity_path = config.get('unity_path', '')
self.project_path = config.get('project_path', '')
self.output_path = config.get('output_path', '')
def build(self):
"""执行 Unity 构建"""
cmd = [
self.unity_path,
'-batchmode',
'-nographics',
'-silent-crashes',
'-projectPath', self.project_path,
'-executeMethod', 'AssetBundleBuilder.BuildAll',
'-buildTarget', self.config['platform'],
'-buildType', self.config['build_type'],
'-outputPath', self.output_path,
'-logFile', os.path.join(self.output_path, 'unity_build.log'),
'-quit'
]
print(f"执行命令: {' '.join(cmd)}")
result = subprocess.run(cmd, capture_output=True, text=True)
if result.returncode != 0:
raise Exception(f"Unity 构建失败: {result.stderr}")
return True
def generate_manifest(self):
"""生成资源清单文件"""
manifest = {
"version": self.config['version'],
"build_number": self.config['build_number'],
"platform": self.config['platform'],
"build_time": datetime.now().isoformat(),
"total_size": 0,
"files": []
}
for root, dirs, files in os.walk(self.output_path):
for file in files:
if file.endswith('.ab') or file.endswith('.json'):
file_path = os.path.join(root, file)
relative_path = os.path.relpath(file_path, self.output_path)
file_info = self.get_file_info(file_path, relative_path)
manifest['files'].append(file_info)
manifest['total_size'] += file_info['size']
manifest_path = os.path.join(self.output_path, 'resource_manifest.json')
with open(manifest_path, 'w', encoding='utf-8') as f:
json.dump(manifest, f, indent=2, ensure_ascii=False)
return manifest
def get_file_info(self, file_path, relative_path):
"""获取文件详细信息"""
stat = os.stat(file_path)
return {
"name": relative_path.replace('\\', '/'),
"size": stat.st_size,
"md5": self.calculate_md5(file_path),
"mtime": stat.st_mtime
}
def calculate_md5(self, file_path):
"""计算文件 MD5"""
hash_md5 = hashlib.md5()
with open(file_path, "rb") as f:
for chunk in iter(lambda: f.read(4096), b""):
hash_md5.update(chunk)
return hash_md5.hexdigest()
def main():
parser = argparse.ArgumentParser(description='Unity AssetBundle 构建工具')
parser.add_argument('--platform', required=True,
choices=['StandaloneWindows64', 'Android', 'iOS', 'WebGL'],
help='目标平台')
parser.add_argument('--type', default='Full',
choices=['Full', 'Incremental', 'Clean'],
help='构建类型')
parser.add_argument('--version', default='1.0.0',
help='版本号')
args = parser.parse_args()
config = {
'unity_path': 'C:\\Program Files\\Unity\\Hub\\Editor\\2021.3.21f1\\Editor\\Unity.exe',
'project_path': os.getcwd(),
'output_path': f'D:\\AB_Output\\build_{datetime.now().strftime("%Y%m%d_%H%M%S")}',
'platform': args.platform,
'build_type': args.type,
'version': args.version,
'build_number': os.environ.get('BUILD_NUMBER', '0')
}
builder = UnityABBuilder(config)
try:
print("开始构建 AssetBundle...")
builder.build()
print("生成资源清单...")
manifest = builder.generate_manifest()
print(f"构建完成！总计 {len(manifest['files'])} 个文件，大小: {manifest['total_size'] / 1024 / 1024:.2f} MB")
except Exception as e:
print(f"构建失败: {e}")
return 1
return 0
if __name__ == '__main__':
exit(main())
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