=====1,绑定环境搭建=====
<1>偶尔一往事
lua-binding cocoschina:http://www.cocoachina.com/bbs/read.php?tid-238460.htmllua-binding cocoschina:http://www.cocoachina.com/bbs/read.php?tid-238460.html
<2>绑定例子
http://www.cocos2d-x.org/wiki/Binding_Custom_Class_To_Lua_Runtime
<3>ndk下载(手机)
http://docs.huihoo.com/android/4.4/tools/sdk/ndk/index.html#Installing
<4>绑定报错：
http://m.blog.csdn.net/blog/u013174689/39185757
Exception: Fatal error in parsing headers:
http://www.cocoachina.com/bbs/read.php?tid=195350
=====2,具体绑定步骤=====
<1>cocos/my下面
1,CustomClass.h
// CustomClass.h
#ifndef __CUSTOM__CLASS
#define __CUSTOM__CLASS
#include "cocos2d.h"
namespace cocos2d {
class CustomClass : public cocos2d::Ref
{
public:
CustomClass();
~CustomClass();
bool init();
std::string helloMsg();
CREATE_FUNC(CustomClass);
};
} //namespace cocos2d
#endif // __CUSTOM__CLASS
2,CustomClass.cpp// CustomClass.cpp
#include "CustomClass.h"
USING_NS_CC;
CustomClass::CustomClass(){
}
CustomClass::~CustomClass(){
}
bool CustomClass::init(){
return true;
}
std::string CustomClass::helloMsg() {
return "Hello from CustomClass::sayHello";
}
<2>tools/lua
1,cocos2dx_custom.ini
[cocos2dx_custom]
# the prefix to be added to the generated functions. You might or might not use this in your own
# templates
prefix = cocos2dx_custom
# 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 = cc
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
cocos_headers = -I%(cocosdir)s/cocos -I%(cocosdir)s/my -I%(cocosdir)s/cocos/base -I%(cocosdir)s/cocos/platform/android
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 = %(cocosdir)s/cocos/my/CustomClass.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 = CustomClass.*
# 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
2,genbindings.py
#!/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,'%s-%s' % (cur_platform,'x86')))
x64_llvm_path = os.path.abspath(os.path.join(ndk_root,'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','-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 = '%s/cocos/scripting/lua-bindings/auto' % project_root
cmd_args = {'cocos2dx.ini' : ('cocos2d-x','lua_cocos2dx_auto'),\
'cocos2dx_extension.ini' : ('cocos2dx_extension','lua_cocos2dx_extension_auto'),\
'cocos2dx_ui.ini' : ('cocos2dx_ui','lua_cocos2dx_ui_auto'),\
'cocos2dx_studio.ini' : ('cocos2dx_studio','lua_cocos2dx_studio_auto'),\
'cocos2dx_spine.ini' : ('cocos2dx_spine','lua_cocos2dx_spine_auto'),\
'cocos2dx_physics.ini' : ('cocos2dx_physics','lua_cocos2dx_physics_auto'),\
'cocos2dx_experimental_video.ini' : ('cocos2dx_experimental_video','lua_cocos2dx_experimental_video_auto'),\
'cocos2dx_experimental.ini' : ('cocos2dx_experimental','lua_cocos2dx_experimental_auto'),\
'cocos2dx_controller.ini' : ('cocos2dx_controller','lua_cocos2dx_controller_auto'),\
'cocos2dx_custom.ini' : ('cocos2dx_custom','lua_cocos2dx_custom'),\
}
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 '---------------------------------'
sys.exit(1)
else:
raise
# -------------- main --------------
if __name__ == '__main__':
main()
<3>cocos/scriping/lua-binding/auto
在下面可以看到：lua_cocos2dx_experimental_auto.hpp和lua_cocos2dx_experimental_auto.cpp文件
在api目录下可以看到：CustomClass.lua文件
