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/* $Id$ */
/** @file squirrel_class.hpp Defines templates for converting C++ classes to Squirrel classes */
#ifndef SQUIRREL_CLASS_HPP
#define SQUIRREL_CLASS_HPP
/**
* The template to define classes in Squirrel. It takes care of the creation
* and calling of such classes, to make the AI Layer cleaner while having a
* powerful script as possible AI language.
*/
template <class CL>
class DefSQClass {
private:
const char *classname;
public:
DefSQClass(const char *_classname) :
classname(_classname)
{}
/**
* This defines a method inside a class for Squirrel.
*/
template <typename Func>
void DefSQMethod(Squirrel *engine, Func function_proc, const char *function_name)
{
using namespace SQConvert;
engine->AddMethod(function_name, DefSQNonStaticCallback<CL, Func>, 0, NULL, &function_proc, sizeof(function_proc));
}
/**
* This defines a method inside a class for Squirrel, which has access to the 'engine' (experts only!).
*/
template <typename Func>
void DefSQAdvancedMethod(Squirrel *engine, Func function_proc, const char *function_name)
{
using namespace SQConvert;
engine->AddMethod(function_name, DefSQAdvancedNonStaticCallback<CL, Func>, 0, NULL, &function_proc, sizeof(function_proc));
}
/**
* This defines a method inside a class for Squirrel with defined params.
* @note If you define nparam, make sure that he first param is always 'x',
* which is the 'this' inside the function. This is hidden from the rest
* of the code, but without it calling your function will fail!
*/
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>, nparam, params, &function_proc, sizeof(function_proc));
}
/**
* This defines a static method inside a class for Squirrel.
*/
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, NULL, &function_proc, sizeof(function_proc));
}
/**
* This defines a static method inside a class for Squirrel with defined params.
* @note If you define nparam, make sure that he first param is always 'x',
* which is the 'this' inside the function. This is hidden from the rest
* of the code, but without it calling your function will fail!
*/
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 PostRegister(Squirrel *engine)
{
engine->AddClassEnd();
}
};
#endif /* SQUIRREL_CLASS_HPP */
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