squirrel_class.hpp

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/*
 * This file is part of OpenTTD.
 * OpenTTD 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, version 2.
 * OpenTTD 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 OpenTTD. If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef SQUIRREL_CLASS_HPP
#define SQUIRREL_CLASS_HPP
 
#include "squirrel_helper.hpp"
 
template <class CL, ScriptType ST>
class DefSQClass {
private:
  const char *classname;
 
public:
  DefSQClass(const char *_classname) :
    classname(_classname)
  {}
 
  template <typename Func>
  void DefSQMethod(Squirrel *engine, Func function_proc, const char *function_name)
  {
    using namespace SQConvert;
    engine->AddMethod(function_name, DefSQNonStaticCallback<CL, Func, ST>, 0, nullptr, &function_proc, sizeof(function_proc));
  }
 
  template <typename Func>
  void DefSQAdvancedMethod(Squirrel *engine, Func function_proc, const char *function_name)
  {
    using namespace SQConvert;
    engine->AddMethod(function_name, DefSQAdvancedNonStaticCallback<CL, Func, ST>, 0, nullptr, &function_proc, sizeof(function_proc));
  }
 
  template <typename Func>
  void DefSQMethod(Squirrel *engine, Func function_proc, const char *function_name, int nparam, const char *params)
  {
    using namespace SQConvert;
    engine->AddMethod(function_name, DefSQNonStaticCallback<CL, Func, ST>, nparam, params, &function_proc, sizeof(function_proc));
  }
 
  template <typename Func>
  void DefSQStaticMethod(Squirrel *engine, Func function_proc, const char *function_name)
  {
    using namespace SQConvert;
    engine->AddMethod(function_name, DefSQStaticCallback<CL, Func>, 0, nullptr, &function_proc, sizeof(function_proc));
  }
 
  template <typename Func>
  void DefSQAdvancedStaticMethod(Squirrel *engine, Func function_proc, const char *function_name)
  {
    using namespace SQConvert;
    engine->AddMethod(function_name, DefSQAdvancedStaticCallback<CL, Func>, 0, nullptr, &function_proc, sizeof(function_proc));
  }
 
  template <typename Func>
  void DefSQStaticMethod(Squirrel *engine, Func function_proc, const char *function_name, int nparam, const char *params)
  {
    using namespace SQConvert;
    engine->AddMethod(function_name, DefSQStaticCallback<CL, Func>, nparam, params, &function_proc, sizeof(function_proc));
  }
 
  template <typename Var>
  void DefSQConst(Squirrel *engine, Var value, const char *var_name)
  {
    engine->AddConst(var_name, value);
  }
 
  void PreRegister(Squirrel *engine)
  {
    engine->AddClassBegin(this->classname);
  }
 
  void PreRegister(Squirrel *engine, const char *parent_class)
  {
    engine->AddClassBegin(this->classname, parent_class);
  }
 
  template <typename Func, int Tnparam>
  void AddConstructor(Squirrel *engine, const char *params)
  {
    using namespace SQConvert;
    engine->AddMethod("constructor", DefSQConstructorCallback<CL, Func, Tnparam>, Tnparam, params);
  }
 
  void AddSQAdvancedConstructor(Squirrel *engine)
  {
    using namespace SQConvert;
    engine->AddMethod("constructor", DefSQAdvancedConstructorCallback<CL>, 0, nullptr);
  }
 
  void PostRegister(Squirrel *engine)
  {
    engine->AddClassEnd();
  }
};
 
#endif /* SQUIRREL_CLASS_HPP */