mirror of https://github.com/axmolengine/axmol.git
328 lines
9.4 KiB
C++
328 lines
9.4 KiB
C++
/****************************************************************************
|
|
Copyright (c) 2011 cocos2d-x.org
|
|
|
|
http://www.cocos2d-x.org
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in
|
|
all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
THE SOFTWARE.
|
|
****************************************************************************/
|
|
|
|
#include "CCLuaEngine.h"
|
|
#include "tolua++.h"
|
|
|
|
extern "C" {
|
|
#include "lualib.h"
|
|
#include "lauxlib.h"
|
|
#include "tolua_fix.h"
|
|
}
|
|
|
|
#include "cocos2d.h"
|
|
#include "LuaCocos2d.h"
|
|
#include "CCArray.h"
|
|
#include "CCScheduler.h"
|
|
|
|
#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)
|
|
#include "Cocos2dxLuaLoader.h"
|
|
#endif
|
|
|
|
NS_CC_BEGIN
|
|
|
|
CCLuaEngine::~CCLuaEngine()
|
|
{
|
|
lua_close(m_state);
|
|
}
|
|
|
|
bool CCLuaEngine::init(void)
|
|
{
|
|
m_state = lua_open();
|
|
luaL_openlibs(m_state);
|
|
tolua_Cocos2d_open(m_state);
|
|
tolua_prepare_ccobject_table(m_state);
|
|
#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)
|
|
addLuaLoader(loader_Android);
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
CCLuaEngine* CCLuaEngine::engine()
|
|
{
|
|
CCLuaEngine* pEngine = new CCLuaEngine();
|
|
pEngine->init();
|
|
pEngine->autorelease();
|
|
return pEngine;
|
|
}
|
|
|
|
void CCLuaEngine::removeCCObjectByID(int nLuaID)
|
|
{
|
|
tolua_remove_ccobject_by_refid(m_state, nLuaID);
|
|
}
|
|
|
|
void CCLuaEngine::removeLuaHandler(int nHandler)
|
|
{
|
|
tolua_remove_function_by_refid(m_state, nHandler);
|
|
}
|
|
|
|
void CCLuaEngine::addSearchPath(const char* path)
|
|
{
|
|
lua_getglobal(m_state, "package"); /* stack: package */
|
|
lua_getfield(m_state, -1, "path"); /* get package.path, stack: package path */
|
|
const char* cur_path = lua_tostring(m_state, -1);
|
|
lua_pop(m_state, 1); /* stack: package */
|
|
lua_pushfstring(m_state, "%s;%s/?.lua", cur_path, path); /* stack: package newpath */
|
|
lua_setfield(m_state, -2, "path"); /* package.path = newpath, stack: package */
|
|
lua_pop(m_state, 1); /* stack: - */
|
|
}
|
|
|
|
int CCLuaEngine::executeString(const char *codes)
|
|
{
|
|
int nRet = luaL_dostring(m_state, codes);
|
|
lua_gc(m_state, LUA_GCCOLLECT, 0);
|
|
|
|
if (nRet != 0)
|
|
{
|
|
CCLOG("[LUA ERROR] %s", lua_tostring(m_state, -1));
|
|
lua_pop(m_state, 1);
|
|
return nRet;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int CCLuaEngine::executeScriptFile(const char* filename)
|
|
{
|
|
int nRet = luaL_dofile(m_state, filename);
|
|
// lua_gc(m_state, LUA_GCCOLLECT, 0);
|
|
|
|
if (nRet != 0)
|
|
{
|
|
CCLOG("[LUA ERROR] %s", lua_tostring(m_state, -1));
|
|
lua_pop(m_state, 1);
|
|
return nRet;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int CCLuaEngine::executeGlobalFunction(const char* functionName)
|
|
{
|
|
lua_getglobal(m_state, functionName); /* query function by name, stack: function */
|
|
if (!lua_isfunction(m_state, -1))
|
|
{
|
|
CCLOG("[LUA ERROR] name '%s' does not represent a Lua function", functionName);
|
|
lua_pop(m_state, 1);
|
|
return 0;
|
|
}
|
|
|
|
int error = lua_pcall(m_state, 0, 1, 0); /* call function, stack: ret */
|
|
// lua_gc(m_state, LUA_GCCOLLECT, 0);
|
|
|
|
if (error)
|
|
{
|
|
CCLOG("[LUA ERROR] %s", lua_tostring(m_state, - 1));
|
|
lua_pop(m_state, 1); // clean error message
|
|
return 0;
|
|
}
|
|
|
|
// get return value
|
|
if (!lua_isnumber(m_state, -1))
|
|
{
|
|
lua_pop(m_state, 1);
|
|
return 0;
|
|
}
|
|
|
|
int ret = lua_tointeger(m_state, -1);
|
|
lua_pop(m_state, 1); /* stack: - */
|
|
return ret;
|
|
}
|
|
|
|
int CCLuaEngine::executeFunctionByHandler(int nHandler, int numArgs)
|
|
{
|
|
if (pushFunctionByHandler(nHandler))
|
|
{
|
|
if (numArgs > 0)
|
|
{
|
|
lua_insert(m_state, -(numArgs + 1)); /* stack: ... func arg1 arg2 ... */
|
|
}
|
|
|
|
int error = 0;
|
|
// try
|
|
// {
|
|
error = lua_pcall(m_state, numArgs, 1, 0); /* stack: ... ret */
|
|
// }
|
|
// catch (exception& e)
|
|
// {
|
|
// CCLOG("[LUA ERROR] lua_pcall(%d) catch C++ exception: %s", nHandler, e.what());
|
|
// lua_settop(m_state, 0);
|
|
// return 0;
|
|
// }
|
|
// catch (...)
|
|
// {
|
|
// CCLOG("[LUA ERROR] lua_pcall(%d) catch C++ unknown exception.", nHandler);
|
|
// lua_settop(m_state, 0);
|
|
// return 0;
|
|
// }
|
|
if (error)
|
|
{
|
|
CCLOG("[LUA ERROR] %s", lua_tostring(m_state, - 1));
|
|
lua_settop(m_state, 0);
|
|
return 0;
|
|
}
|
|
|
|
// get return value
|
|
int ret = 0;
|
|
if (lua_isnumber(m_state, -1))
|
|
{
|
|
ret = lua_tointeger(m_state, -1);
|
|
}
|
|
else if (lua_isboolean(m_state, -1))
|
|
{
|
|
ret = lua_toboolean(m_state, -1);
|
|
}
|
|
|
|
lua_pop(m_state, 1);
|
|
return ret;
|
|
}
|
|
else
|
|
{
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
int CCLuaEngine::executeFunctionWithIntegerData(int nHandler, int data)
|
|
{
|
|
lua_pushinteger(m_state, data);
|
|
return executeFunctionByHandler(nHandler, 1);
|
|
}
|
|
|
|
int CCLuaEngine::executeFunctionWithFloatData(int nHandler, float data)
|
|
{
|
|
lua_pushnumber(m_state, data);
|
|
return executeFunctionByHandler(nHandler, 1);
|
|
}
|
|
|
|
int CCLuaEngine::executeFunctionWithBooleanData(int nHandler, bool data)
|
|
{
|
|
lua_pushboolean(m_state, data);
|
|
return executeFunctionByHandler(nHandler, 1);
|
|
}
|
|
|
|
int CCLuaEngine::executeFunctionWithCCObject(int nHandler, CCObject* pObject, const char* typeName)
|
|
{
|
|
tolua_pushusertype_ccobject(m_state, pObject->m_uID, &pObject->m_nLuaID, pObject, typeName);
|
|
return executeFunctionByHandler(nHandler, 1);
|
|
}
|
|
|
|
int CCLuaEngine::pushIntegerToLuaStack(int data)
|
|
{
|
|
lua_pushinteger(m_state, data);
|
|
return lua_gettop(m_state);
|
|
}
|
|
|
|
int CCLuaEngine::pushFloatToLuaStack(int data)
|
|
{
|
|
lua_pushnumber(m_state, data);
|
|
return lua_gettop(m_state);
|
|
}
|
|
|
|
int CCLuaEngine::pushBooleanToLuaStack(int data)
|
|
{
|
|
lua_pushboolean(m_state, data);
|
|
return lua_gettop(m_state);
|
|
}
|
|
|
|
int CCLuaEngine::pushCCObjectToLuaStack(CCObject* pObject, const char* typeName)
|
|
{
|
|
tolua_pushusertype_ccobject(m_state, pObject->m_uID, &pObject->m_nLuaID, pObject, typeName);
|
|
return lua_gettop(m_state);
|
|
}
|
|
|
|
// functions for excute touch event
|
|
int CCLuaEngine::executeTouchEvent(int nHandler, int eventType, CCTouch *pTouch)
|
|
{
|
|
CCPoint pt = CCDirector::sharedDirector()->convertToGL(pTouch->locationInView());
|
|
lua_pushinteger(m_state, eventType);
|
|
lua_pushnumber(m_state, pt.x);
|
|
lua_pushnumber(m_state, pt.y);
|
|
return executeFunctionByHandler(nHandler, 3);
|
|
}
|
|
|
|
int CCLuaEngine::executeTouchesEvent(int nHandler, int eventType, CCSet *pTouches)
|
|
{
|
|
lua_pushinteger(m_state, eventType);
|
|
lua_newtable(m_state);
|
|
|
|
CCDirector* pDirector = CCDirector::sharedDirector();
|
|
CCSetIterator it = pTouches->begin();
|
|
CCTouch* pTouch;
|
|
int n = 1;
|
|
while (it != pTouches->end())
|
|
{
|
|
pTouch = (CCTouch*)*it;
|
|
CCPoint pt = pDirector->convertToGL(pTouch->locationInView());
|
|
lua_pushnumber(m_state, pt.x);
|
|
lua_rawseti(m_state, -2, n++);
|
|
lua_pushnumber(m_state, pt.y);
|
|
lua_rawseti(m_state, -2, n++);
|
|
++it;
|
|
}
|
|
|
|
return executeFunctionByHandler(nHandler, 2);
|
|
}
|
|
|
|
int CCLuaEngine::executeSchedule(int nHandler, ccTime dt)
|
|
{
|
|
return executeFunctionWithFloatData(nHandler, dt);
|
|
}
|
|
|
|
void CCLuaEngine::addLuaLoader(lua_CFunction func)
|
|
{
|
|
if (!func) return;
|
|
|
|
// stack content after the invoking of the function
|
|
// get loader table
|
|
lua_getglobal(m_state, "package"); // package
|
|
lua_getfield(m_state, -1, "loaders"); // package, loaders
|
|
|
|
// insert loader into index 2
|
|
lua_pushcfunction(m_state, func); // package, loaders, func
|
|
for (int i = lua_objlen(m_state, -2) + 1; i > 2; --i)
|
|
{
|
|
lua_rawgeti(m_state, -2, i - 1); // package, loaders, func, function
|
|
// we call lua_rawgeti, so the loader table now is at -3
|
|
lua_rawseti(m_state, -3, i); // package, loaders, func
|
|
}
|
|
lua_rawseti(m_state, -2, 2); // package, loaders
|
|
|
|
// set loaders into package
|
|
lua_setfield(m_state, -2, "loaders"); // package
|
|
|
|
lua_pop(m_state, 1);
|
|
}
|
|
|
|
bool CCLuaEngine::pushFunctionByHandler(int nHandler)
|
|
{
|
|
lua_rawgeti(m_state, LUA_REGISTRYINDEX, nHandler); /* stack: ... func */
|
|
if (!lua_isfunction(m_state, -1))
|
|
{
|
|
CCLOG("[LUA ERROR] function refid '%d' does not reference a Lua function", nHandler);
|
|
lua_pop(m_state, 1);
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
NS_CC_END
|