axmol/lua/cocos2dx_support/LuaEngineImpl.cpp

612 lines
16 KiB
C++

/****************************************************************************
Copyright (c) 2011 cocos2d-x.org
Copyright (c) 2011 NetDragon.com
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 "LuaEngineImpl.h"
extern "C" {
#include "lualib.h"
#include "lauxlib.h"
}
#include "tolua++.h"
#include "CCTouch.h"
#include "CCNode.h"
#include "CCObject.h"
#include "LuaCocos2d.h"
using namespace cocos2d;
CCLuaScriptModule* CCLuaScriptModule::s_luaScriptModule = NULL;
CCLuaScriptModule* CCLuaScriptModule::sharedLuaScriptModule(void)
{
if (s_luaScriptModule == NULL)
{
s_luaScriptModule = new CCLuaScriptModule();
}
return s_luaScriptModule;
}
void CCLuaScriptModule::purgeSharedLuaScriptModule()
{
s_luaScriptModule->release();
s_luaScriptModule = NULL;
}
/*************************************************************************
Constructor (creates Lua state)
*************************************************************************/
CCLuaScriptModule::CCLuaScriptModule()
{
d_ownsState = true;
d_state = lua_open();
luaL_openlibs(d_state);
int nOpen = tolua_Cocos2d_open(d_state);
CC_UNUSED_PARAM(nOpen);
// init all standard libraries
/*luaopen_base(d_state);
luaopen_io(d_state);
luaopen_string(d_state);
luaopen_table(d_state);
luaopen_math(d_state);
*/
//luaopen_debug(d_state);
}
/*************************************************************************
Constructor (uses given Lua state)
*************************************************************************/
CCLuaScriptModule::CCLuaScriptModule(lua_State* state)
{
// just use the given state
d_ownsState = false;
d_state = state;
}
/*************************************************************************
Destructor
*************************************************************************/
CCLuaScriptModule::~CCLuaScriptModule()
{
if ( d_ownsState && d_state )
{
lua_close( d_state );
}
s_luaScriptModule = NULL;
}
/*************************************************************************
Execute script file
*************************************************************************/
bool CCLuaScriptModule::executeScriptFile(const std::string& filename)
{
int nRet = luaL_dofile(d_state,filename.c_str());
if (nRet != 0)
{
CCLog("executeScriptFile Error nRet = %d", nRet);
// print the error msg
const char* strErrMsg = lua_tostring(d_state, -1);
CCLog("%s", strErrMsg);
return false;
}
return true;
}
/*************************************************************************
Execute global script function
*************************************************************************/
int CCLuaScriptModule::executeScriptGlobal(const std::string& function_name)
{
// get the function from lua
lua_getglobal(d_state, function_name.c_str());
// is it a function
if ( !lua_isfunction(d_state,-1) )
{
CCLog("name does not represent a Lua function");
lua_settop( d_state, 0 );
return 0;
}
// call it
int error = lua_pcall(d_state,0,1,0);
// handle errors
if ( error )
{
std::string msg = lua_tostring(d_state,-1);
lua_pop(d_state,1);
CCLog("%s", msg.c_str());
lua_settop( d_state, 0 );
return 0;
}
// get return value
if ( !lua_isnumber(d_state,-1) )
{
CCLog("return value is not a number %s", function_name.c_str());
lua_settop( d_state, 0 );
return 0;
}
int ret = (int)lua_tonumber(d_state,-1);
lua_pop(d_state,1);
// return it
return ret;
}
/*************************************************************************
Execute scripted event handler
*************************************************************************/
bool CCLuaScriptModule::executeSchedule(const std::string& handler_name, ccTime cc)
{
if (handler_name.size() == 0)
{
std::string msg = "(LuaScriptModule) Unable to execute scripted event handler: handler_name == NULL\n";
CCLog("%s %d", msg.c_str(), __LINE__);
return false;
}
// get the function from lua
lua_getglobal(d_state, handler_name.c_str());
// is it a function
if ( !lua_isfunction(d_state,-1) )
{
lua_settop( d_state, 0 );
std::string msg = handler_name + "\n" + "name does not represent a Lua function" + "\n";
CCLog("%s %d", msg.c_str(), __FILE__);
return false;
}
// push EventArgs as the first parameter
//tolua_pushusertype(d_state,(void*)&cc,"dFloat");
lua_pushfstring(d_state, "%f", cc);
// call it
int error = lua_pcall(d_state,1,0,0);
// handle errors
if ( error )
{
std::string msg = lua_tostring(d_state,-1);
lua_pop(d_state,1);
lua_settop( d_state, 0 );
std::string msgerror = handler_name + "\n\n" + msg + "\n";
CCLog("%s %d", msgerror.c_str(), __FILE__);
return false;
}
// return it
return true;
}
bool CCLuaScriptModule::executeCallFunc(const std::string& handler_name)
{
if (handler_name.size() == 0)
{
std::string msg = "(LuaScriptModule) Unable to execute scripted event handler:handler_name == NULL\n";
CCLog("%s %d", msg.c_str(), __LINE__);
return false;
}
lua_getglobal(d_state, handler_name.c_str());
// is it a function
if ( !lua_isfunction(d_state,-1) )
{
lua_settop( d_state, 0 );
std::string msg = handler_name + "name does not represent a Lua function" + "\n";
CCLog("%s %d", msg.c_str(), __LINE__);
return false;
}
// push EventArgs as the first parameter
//tolua_pushusertype(d_state,(void*)&cc,"cocos2d::ccTime");
// call it
int error = lua_pcall(d_state,0,0,0);
// handle errors
if ( error )
{
std::string msg = lua_tostring(d_state,-1);
lua_pop(d_state,1);
lua_settop( d_state, 0 );
std::string msgerror = handler_name + msg + "\n";
CCLog("%s %s %d", __FILE__, msgerror.c_str(), __LINE__);
return false;
}
// return it
return true;
}
bool CCLuaScriptModule::executeCallFuncN(const std::string& handler_name, CCNode* pNode)
{
if (handler_name.size() == 0)
{
std::string msg = "(executeCallFuncN) Unable to execute scripted event handler: handler_name == NULL\n";
CCLog("%s %d ", msg.c_str(), __LINE__);
return false;
}
lua_getglobal(d_state, handler_name.c_str());
// is it a function
if ( !lua_isfunction(d_state,-1) )
{
lua_settop( d_state, 0 );
std::string msg = handler_name + "name does not represent a Lua function" + "\n";
CCLog("%s %d", msg.c_str(), __LINE__);
return false;
}
// push EventArgs as the first parameter
tolua_pushusertype(d_state,(void*)pNode,"cocos2d::CCNode");
// call it
int error = lua_pcall(d_state,1,0,0);
// handle errors
if ( error )
{
std::string msg = lua_tostring(d_state,-1);
lua_pop(d_state,1);
lua_settop( d_state, 0 );
std::string msgerror = handler_name + msg + "\n";
CCLog("%s %s %d", __FILE__, msgerror.c_str(), __LINE__);
return false;
}
// return it
return true;
}
bool CCLuaScriptModule::executeCallFuncO(const std::string &handler_name, cocos2d::CCObject *pObject)
{
if (handler_name.size() == 0)
{
std::string msg = "(executeCallFuncO) Unable to execute scripted event handler: handler_name == NULL\n";
CCLog("%s %d ", msg.c_str(), __LINE__);
return false;
}
lua_getglobal(d_state, handler_name.c_str());
// is it a function
if ( !lua_isfunction(d_state,-1) )
{
lua_settop( d_state, 0 );
std::string msg = handler_name + "name does not represent a Lua function" + "\n";
CCLog("%s %d", msg.c_str(), __LINE__);
return false;
}
// push EventArgs as the first parameter
tolua_pushusertype(d_state,(void*)pObject,"cocos2d::CCObject");
// call it
int error = lua_pcall(d_state,1,0,0);
// handle errors
if ( error )
{
std::string msg = lua_tostring(d_state,-1);
lua_pop(d_state,1);
lua_settop( d_state, 0 );
std::string msgerror = handler_name + msg + "\n";
CCLog("%s %s %d", __FILE__, msgerror.c_str(), __LINE__);
return false;
}
// return it
return true;
}
bool CCLuaScriptModule::executeCallFuncND(const std::string& handler_name, CCNode* pNode, void*pData)
{
if (handler_name.size() == 0)
{
std::string msg = "(executeCallFuncND) Unable to execute scripted event handler: handler_name == NULL\n";
CCLog("%s %d", msg.c_str(), __LINE__);
return false;
}
// get the function from lua
lua_getglobal(d_state, handler_name.c_str());
// is it a function
if ( !lua_isfunction(d_state,-1) )
{
lua_settop( d_state, 0 );
std::string msg = handler_name + "name does not represent a Lua function" + "\n";
CCLog("%s %d", msg.c_str(), __LINE__);
return false;
}
// push EventArgs as the first parameter
tolua_pushusertype(d_state,(void*)pNode,"cocos2d::CCNode");
tolua_pushusertype(d_state,(void*)pData,"void*");
// call it
int error = lua_pcall(d_state,2,0,0);
// handle errors
if ( error )
{
std::string msg = lua_tostring(d_state,-1);
lua_pop(d_state,1);
lua_settop( d_state, 0 );
std::string msgerror = handler_name + msg + "\n";
CCLog("%s %d", __FILE__, msgerror.c_str(), __LINE__);
return false;
}
// return it
return true;
}
bool CCLuaScriptModule::executeMenuHandler(const std::string& handler_name, CCObject* pobj)
{
if (handler_name.size() == 0)
{
std::string msg = "(LuaScriptModule) Unable to execute scripted event handler: handler_name == NULL\n";
CCLog("%s %d", msg.c_str(), __LINE__);
return false;
}
// get the function from lua
lua_getglobal(d_state, handler_name.c_str());
// is it a function
if ( !lua_isfunction(d_state,-1) )
{
lua_settop( d_state, 0 );
std::string msg = handler_name + "name does not represent a Lua function" + "\n";
CCLog("%s %d", msg.c_str(), __LINE__);
return false;
}
// push EventArgs as the first parameter
tolua_pushusertype(d_state,(void*)pobj,"cocos2d::CCObject");
// call it
int error = lua_pcall(d_state,1,0,0);
// handle errors
if ( error )
{
std::string msg = lua_tostring(d_state,-1);
lua_pop(d_state,1);
std::string msgerror = handler_name + msg + "\n";
CCLog("%s %s %d", __FILE__, msgerror.c_str(), __LINE__);
return false;
}
// return it
return true;
}
bool CCLuaScriptModule::executeTouchesEvent(const std::string& handler_name, CCSet *pobj)
{
if (handler_name.size() == 0)
{
std::string msg = "(LuaScriptModule) Unable to execute scripted event handler: handler_name == null\n";
CCLog("%s %d", msg.c_str(), __LINE__);
return false;
}
// get the function from lua
lua_getglobal(d_state, handler_name.c_str());
// is it a function
if ( !lua_isfunction(d_state,-1) )
{
lua_settop( d_state, 0 );
std::string msg = handler_name+" does not represent a Lua function"+"\n";
CCLog("%s %d", msg.c_str(), __LINE__);
return false;
}
// push array to lua
lua_createtable(d_state, pobj->count(), 0);
int newTable = lua_gettop(d_state);
int index = 1;
CCSetIterator iter = pobj->begin();
for (; iter != pobj->end(); iter++)
{
tolua_pushusertype(d_state,(void*)(*iter),"cocos2d::CCTouch");
lua_rawseti(d_state, newTable, index++);
}
// call it
int error = lua_pcall(d_state,1,0,0);
// handle errors
if ( error )
{
std::string msg = lua_tostring(d_state,-1);
lua_pop(d_state,1);
lua_settop( d_state, 0 );
std::string msgerror = handler_name + msg + "\n";
CCLog("%s %d", msgerror.c_str(), __LINE__);
return false;
}
// return it
return true;
}
bool CCLuaScriptModule::executeTouch(const std::string& handler_name, CCTouch *pobj)
{
if (handler_name.size() == 0)
{
std::string msg = "(LuaScriptModule) Unable to execute scripted event handler: handler_name == null\n";
CCLog("%s %d", msg.c_str(), __LINE__);
return false;
}
// get the function from lua
lua_getglobal(d_state, handler_name.c_str());
// is it a function
if ( !lua_isfunction(d_state,-1) )
{
lua_settop( d_state, 0 );
std::string msg = handler_name+"\n"+" does not represent a Lua function"+"\n";
CCLog("%s %d", msg.c_str(), __LINE__);
return false;
}
// push EventArgs as the first parameter
tolua_pushusertype(d_state,(void*)pobj,"cocos2d::CCTouch");
// call it
int error = lua_pcall(d_state,1,0,0);
// handle errors
if ( error )
{
std::string msg = lua_tostring(d_state,-1);
lua_pop(d_state,1);
std::string msgerror = handler_name + "\n" + msg + "\n";
CCLog("%s %s %d", __FILE__, msgerror.c_str(), __LINE__);
return false;
}
// return it
return true;
}
bool CCLuaScriptModule::executeEventHandler(const std::string& handler_name, CCEvent* pEvent)
{
if (handler_name.size() == 0)
{
std::string msg = "(LuaScriptModule) Unable to execute scripted event handler: handler_name == NULL\n";
CCLog("%s ", msg.c_str());
return false;
}
// get the function from lua
lua_getglobal(d_state, handler_name.c_str());
// is it a function
if ( !lua_isfunction(d_state,-1) )
{
lua_settop( d_state, 0 );
std::string msg = handler_name + "\n" + " does not represent a Lua function" + "\n";
CCLog("%s %d", msg.c_str(), __LINE__);
return false;
}
// push EventArgs as the first parameter
tolua_pushusertype(d_state,(void*)pEvent,"cocos2d::CCEvent");
// call it
int error = lua_pcall(d_state,1,0,0);
// handle errors
if ( error )
{
std::string msg = lua_tostring(d_state,-1);
lua_pop(d_state,1);
lua_settop( d_state, 0 );
std::string msgerror = handler_name + "\n" + msg + "\n";
CCLog("%s %s %d", __FILE__, msgerror.c_str(), __LINE__);
return false;
}
// return it
return true;
}
bool CCLuaScriptModule::executeListItem(const std::string& handler_name, int index, CCObject* pobj)
{
if (handler_name.size() == 0)
{
std::string msg = "(CCLuaScriptModule) Unable to execute scripted event handler: handler_name == NULL\n";
CCLog("%s %d", msg.c_str(), __LINE__);
return false;
}
// get the function from lua
lua_getglobal(d_state, handler_name.c_str());
// is it a function
if ( !lua_isfunction(d_state,-1) )
{
lua_settop( d_state, 0 );
std::string msg = handler_name + " does not represent a Lua function" + "\n";
CCLog("%s %d", msg.c_str(), __LINE__);
return false;
}
// push EventArgs as the first parameter
lua_pushfstring(d_state, "%d", index);
tolua_pushusertype(d_state,(void*)pobj,"cocos2d::CCObject");
// call it
int error = lua_pcall(d_state,2,0,0);
// handle errors
if ( error )
{
std::string msg = lua_tostring(d_state,-1);
lua_pop(d_state,1);
lua_settop( d_state, 0 );
std::string msgerror = handler_name + msg + "\n";
CCLog("%s %s %d", __FILE__, msgerror.c_str(), __LINE__);
return false;
}
// return it
return true;
}
/*************************************************************************
Execute script code string
*************************************************************************/
bool CCLuaScriptModule::executeString(const std::string& str)
{
// load code into lua and call it
int error = luaL_dostring(d_state, str.c_str());
// handle errors
if ( error )
{
CCLog("executeString %d", error);
return false;
}
return true;
}
/*************************************************************************
Create Lua bindings
*************************************************************************/
void CCLuaScriptModule::createBindings(void)
{
//tolua_Cocos2d_open(d_state);
}
/*************************************************************************
Destroy Lua bindings
*************************************************************************/
void CCLuaScriptModule::destroyBindings(void)
{
lua_pushnil(d_state);
lua_setglobal(d_state,"cocos2d");
}