cocos2dx 导出c++类供lua使用
官方教程传送门 http://www.cocos2d-x.org/docs/manual/framework/native/wiki/how-to-use-bindings-generator/zh
- ..编辑 ini文件
- 修改py脚本内容
- 运行py工具
- 就可以使用了
目前还不会lua传 函数 给c++ 类 执行
ini文件
[network_srv]
# the prefix to be added to the generated functions. You might or might not use this in your own # templates prefix = network_srv # create a target namespace (in javascript, this would create some code like the equiv. to `ns = ns || {}`) # all classes will be embedded in that namespace target_namespace = android_headers = -I%(androidndkdir)s/platforms/android-14/arch-arm/usr/include -I%(androidndkdir)s/sources/cxx-stl/gnu-libstdc++/4.7/libs/armeabi-v7a/include -I%(androidndkdir)s/sources/cxx-stl/gnu-libstdc++/4.7/include -I%(androidndkdir)s/sources/cxx-stl/gnu-libstdc++/4.8/libs/armeabi-v7a/include -I%(androidndkdir)s/sources/cxx-stl/gnu-libstdc++/4.8/include android_flags = -D_SIZE_T_DEFINED_ clang_headers = -I%(clangllvmdir)s/lib/clang/3.3/include clang_flags = -nostdinc -x c++ -std=c++11 -U __SSE__ cocos_headers = -I%(cocosdir)s/cocos -I%(cocosdir)s/cocos/platform/android -I%(cocosdir)s/cocos/editor-support -I%(cocosdir)s/external -I%(cocosdir)s/cocos/scripting/lua-bindings/manual -I%(cocosdir)s/external/lua/lua -I%(cocosdir)s/external/lua cocos_flags = -DANDROID cxxgenerator_headers = # extra arguments for clang extra_arguments = %(android_headers)s %(clang_headers)s %(cxxgenerator_headers)s %(cocos_headers)s %(android_flags)s %(clang_flags)s %(cocos_flags)s %(extra_flags)s # what headers to parse headers = C:/Users/hk/Documents/Cocos/CocosProjects/LuaTest/frameworks/runtime-src/Classes/network_srv.h # what classes to produce code for. You can use regular expressions here. When testing the regular # expression, it will be enclosed in “^$”, like this: “^Menu*$”. classes = network_srv NetMgr # what should we skip? in the format ClassName::[function function] # ClassName is a regular expression, but will be used like this: “^ClassName$” functions are also # regular expressions, they will not be surrounded by “^$”. If you want to skip a whole class, just # add a single “*” as functions. See bellow for several examples. A special class name is “*”, which # will apply to all class names. This is a convenience wildcard to be able to skip similar named # functions from all classes. skip = rename_functions = rename_classes = # for all class names, should we remove something when registering in the target VM? remove_prefix = # classes for which there will be no “parent” lookup classes_have_no_parents = # base classes which will be skipped when their sub-classes found them. base_classes_to_skip = # classes that create no constructor # Set is special and we will use a hand-written constructor abstract_classes = # Determining whether to use script object(js object) to control the lifecycle of native(cpp) object or the other way around. Supported values are ‘yes’ or ‘no’. script_control_cpp = no
genbindings.py文件
#!/usr/bin/python
# This script is used to generate luabinding glue codes.
# Android ndk version must be ndk-r9b.
import sys
import os, os.path
import shutil
import ConfigParser
import subprocess
import re
from contextlib import contextmanager
def _check_ndk_root_env():
''' Checking the environment NDK_ROOT, which will be used for building
'''
try:
NDK_ROOT = os.environ['NDK_ROOT']
except Exception:
print "NDK_ROOT not defined. Please define NDK_ROOT in your environment."
sys.exit(1)
return NDK_ROOT
def _check_python_bin_env():
''' Checking the environment PYTHON_BIN, which will be used for building
'''
try:
PYTHON_BIN = os.environ['PYTHON_BIN']
except Exception:
print "PYTHON_BIN not defined, use current python."
PYTHON_BIN = sys.executable
return PYTHON_BIN
class CmdError(Exception):
pass
@contextmanager
def _pushd(newDir):
previousDir = os.getcwd()
os.chdir(newDir)
yield
os.chdir(previousDir)
def _run_cmd(command):
ret = subprocess.call(command, shell=True)
if ret != 0:
message = "Error running command"
raise CmdError(message)
def main():
cur_platform= '??'
llvm_path = '??'
ndk_root = _check_ndk_root_env()
# del the " in the path
ndk_root = re.sub(r"\"", "", ndk_root)
python_bin = _check_python_bin_env()
platform = sys.platform
if platform == 'win32':
cur_platform = 'windows'
elif platform == 'darwin':
cur_platform = platform
elif 'linux' in platform:
cur_platform = 'linux'
else:
print 'Your platform is not supported!'
sys.exit(1)
if platform == 'win32':
x86_llvm_path = os.path.abspath(os.path.join(ndk_root, 'toolchains/llvm-3.3/prebuilt', '%s' % cur_platform))
else:
x86_llvm_path = os.path.abspath(os.path.join(ndk_root, 'toolchains/llvm-3.3/prebuilt', '%s-%s' % (cur_platform, 'x86')))
x64_llvm_path = os.path.abspath(os.path.join(ndk_root, 'toolchains/llvm-3.3/prebuilt', '%s-%s' % (cur_platform, 'x86_64')))
if os.path.isdir(x86_llvm_path):
llvm_path = x86_llvm_path
elif os.path.isdir(x64_llvm_path):
llvm_path = x64_llvm_path
else:
print 'llvm toolchain not found!'
print 'path: %s or path: %s are not valid! ' % (x86_llvm_path, x64_llvm_path)
sys.exit(1)
project_root = os.path.abspath(os.path.join(os.path.dirname(__file__), '..', '..'))
cocos_root = os.path.abspath(os.path.join(project_root, ''))
cxx_generator_root = os.path.abspath(os.path.join(project_root, 'tools/bindings-generator'))
# save config to file
config = ConfigParser.ConfigParser()
config.set('DEFAULT', 'androidndkdir', ndk_root)
config.set('DEFAULT', 'clangllvmdir', llvm_path)
config.set('DEFAULT', 'cocosdir', cocos_root)
config.set('DEFAULT', 'cxxgeneratordir', cxx_generator_root)
config.set('DEFAULT', 'extra_flags', '')
# To fix parse error on windows, we must difine __WCHAR_MAX__ and undefine __MINGW32__ .
if platform == 'win32':
config.set('DEFAULT', 'extra_flags', '-D__WCHAR_MAX__=0x7fffffff -U__MINGW32__')
conf_ini_file = os.path.abspath(os.path.join(os.path.dirname(__file__), 'userconf.ini'))
print 'generating userconf.ini...'
with open(conf_ini_file, 'w') as configfile:
config.write(configfile)
# set proper environment variables
if 'linux' in platform or platform == 'darwin':
os.putenv('LD_LIBRARY_PATH', '%s/libclang' % cxx_generator_root)
if platform == 'win32':
path_env = os.environ['PATH']
os.putenv('PATH', r'%s;%s\libclang;%s\tools\win32;' % (path_env, cxx_generator_root, cxx_generator_root))
try:
tolua_root = '%s/tools/tolua' % project_root
output_dir = 'C:/Users/hk/Documents/Cocos/CocosProjects/LuaTest/frameworks/runtime-src/Classes'
cmd_args = {'network_srv.ini' : ('network_srv', 'lua_network_srv_auto')
}
target = 'lua'
generator_py = '%s/generator.py' % cxx_generator_root
for key in cmd_args.keys():
args = cmd_args[key]
cfg = '%s/%s' % (tolua_root, key)
print 'Generating bindings for %s...' % (key[:-4])
command = '%s %s %s -s %s -t %s -o %s -n %s' % (python_bin, generator_py, cfg, args[0], target, output_dir, args[1])
_run_cmd(command)
if platform == 'win32':
with _pushd(output_dir):
_run_cmd('dos2unix *')
print '---------------------------------'
print 'Generating lua bindings succeeds.'
print '---------------------------------'
except Exception as e:
if e.__class__.__name__ == 'CmdError':
print '---------------------------------'
print 'Generating lua bindings fails.'
print '---------------------------------'
os.system("pause")
else:
raise
# -------------- main --------------
if __name__ == '__main__':
main()
测试代码
network_srv.h 文件
#ifndef network_srv___
#define network_srv___
#include "cocos2d.h"
#include "network/HttpRequest.h"
#include "network/HttpClient.h"
#include "network/HttpResponse.h"
using namespace cocos2d;
using namespace cocos2d::network;
using namespace std;
class network_srv :public cocos2d::Ref
{
public:
CREATE_FUNC(network_srv);
bool init(){ return true; }
network_srv()
{
this->retain();
}
void run();
};
#define URL_BASE "http://127.0.0.1:8080/cocos/"
//#define URL_BASE "http://qq771911064.oicp.net:8080/cocos/"
#define DATA_MAX_LENGTH 100
class NetMgr
{
public:
static NetMgr*getInstance();
/**
* @brief new a HttpRequest
* @param action such as "login?name=1&&pass=1"
* @
*/
void newRequest(const char* action);
/**
* @brief if isDone please call this to get data
* @return data from srv
* @
*/
const char *getData();
/**
* @brief check network is done or not
* @return 0 is't completed
* @retuen 1 completed
*/
int isDone();
private:
NetMgr();
int __isDone;/*0 is's done,1 done*/
char _data[DATA_MAX_LENGTH];
};
#endif //
cpp代码
#include "network_srv.h"
void network_srv::run()
{
NetMgr::getInstance()->newRequest("login?name=1&&pass=1");
}
void NetMgr::newRequest(const char* action)
{
__isDone = 0;
string url = URL_BASE;
url += action;
HttpRequest*request = new HttpRequest;
request->setUrl(url.c_str());
request->setRequestType(HttpRequest::Type::GET);
request->setResponseCallback([=](HttpClient*client, HttpResponse *respone)
{
if (respone->getResponseCode() != 200)return;
vector<char>* buffer = respone->getResponseData();
CC_ASSERT(DATA_MAX_LENGTH > buffer->size(), " NetMgr buffer size overfloaw");
for (int i = 0; i < buffer->size(); i++)
{
_data[i] = (*buffer)[i];
}
_data[buffer->size()] = '\0';
__isDone = 1;
});
HttpClient::getInstance()->setTimeoutForConnect(10);
HttpClient::getInstance()->send(request);
request->release();
}
NetMgr* NetMgr::getInstance()
{
static NetMgr* _netmgr__ = 0;
if (_netmgr__ == 0)
{
_netmgr__ = new NetMgr;
}
return _netmgr__;
}
const char * NetMgr::getData()
{
__isDone = 0;
return _data;
}
int NetMgr::isDone()
{
return __isDone;
}
NetMgr::NetMgr()
{
__isDone = 0;
}
lua 代码
local function menuCallbackClose()
if NetMgr:getInstance():isDone()==1 then
release_print("recv data " .. NetMgr:getInstance():getData())
end
end
-- add handler for close item
local menuToolsItem = rootNode:getChildByName("Button_1")
menuToolsItem:addTouchEventListener(menuCallbackClose)
srv = network_srv:create();
srv:run();