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/* Copyright (C) 2014 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED_SCRIPTCOMPONENT
#define INCLUDED_SCRIPTCOMPONENT
#include "simulation2/system/Component.h"
#include "ps/CLogger.h"
#include <boost/preprocessor/repetition/enum_params.hpp>
#include <boost/preprocessor/repetition/enum_trailing_params.hpp>
#include <boost/preprocessor/repetition/enum_trailing_binary_params.hpp>
class CSimContext;
class CParamNode;
class ISerializer;
class IDeserializer;
class CComponentTypeScript
{
public:
CComponentTypeScript(ScriptInterface& scriptInterface, JS::HandleValue instance);
JS::Value GetInstance() const { return m_Instance.get(); }
void Init(const CParamNode& paramNode, entity_id_t ent);
void Deinit();
void HandleMessage(const CMessage& msg, bool global);
void Serialize(ISerializer& serialize);
void Deserialize(const CParamNode& paramNode, IDeserializer& deserialize, entity_id_t ent);
// Use Boost.PP to define:
// template<typename R> R Call(const char* funcname);
// template<typename R, typename T0> R Call(const char* funcname, const T0& a0);
// ...
// void CallVoid(const char* funcname);
// template<typename T0> void CallVoid(const char* funcname, const T0& a0);
// ...
// CallRef is mainly used for returning script values with correct stack rooting.
#define OVERLOADS(z, i, data) \
template<typename R BOOST_PP_ENUM_TRAILING_PARAMS(i, typename T)> \
R Call(const char* funcname BOOST_PP_ENUM_TRAILING_BINARY_PARAMS(i, const T, &a)) \
{ \
R ret; \
if (m_ScriptInterface.CallFunction(m_Instance, funcname BOOST_PP_ENUM_TRAILING_PARAMS(i, a), ret)) \
return ret; \
LOGERROR("Error calling component script function %s", funcname); \
return R(); \
} \
template<typename R BOOST_PP_ENUM_TRAILING_PARAMS(i, typename T)> \
void CallRef(const char* funcname BOOST_PP_ENUM_TRAILING_BINARY_PARAMS(i, const T, &a), R ret) \
{ \
if (!m_ScriptInterface.CallFunction(m_Instance, funcname BOOST_PP_ENUM_TRAILING_PARAMS(i, a), ret)) \
LOGERROR("Error calling component script function %s", funcname); \
} \
BOOST_PP_IF(i, template<, ) BOOST_PP_ENUM_PARAMS(i, typename T) BOOST_PP_IF(i, >, ) \
void CallVoid(const char* funcname BOOST_PP_ENUM_TRAILING_BINARY_PARAMS(i, const T, &a)) \
{ \
if (m_ScriptInterface.CallFunctionVoid(m_Instance, funcname BOOST_PP_ENUM_TRAILING_PARAMS(i, a))) \
return; \
LOGERROR("Error calling component script function %s", funcname); \
}
BOOST_PP_REPEAT(SCRIPT_INTERFACE_MAX_ARGS, OVERLOADS, ~)
#undef OVERLOADS
private:
ScriptInterface& m_ScriptInterface;
JS::PersistentRootedValue m_Instance;
bool m_HasCustomSerialize;
bool m_HasCustomDeserialize;
bool m_HasNullSerialize;
NONCOPYABLE(CComponentTypeScript);
};
#endif // INCLUDED_SCRIPTCOMPONENT
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