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Location: cpp/openttd-patchpack/source/src/script/squirrel_class.hpp
r11679:85c8ce63beba
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(svn r16069) -Update: WebTranslator2 update to 2009-04-16 17:52:36
brazilian_portuguese - 12 fixed by tucalipe (12)
korean - 8 fixed by darkttd (8)
slovenian - 10 fixed by Necrolyte (10)
brazilian_portuguese - 12 fixed by tucalipe (12)
korean - 8 fixed by darkttd (8)
slovenian - 10 fixed by Necrolyte (10)
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/** @file squirrel_class.cpp defines templates for converting C++ classes to Squirrel classes */
#ifndef SQUIRREL_CLASS_HPP
#define SQUIRREL_CLASS_HPP
#if (__GNUC__ == 2)
/* GCC 2.95 doesn't like to have SQConvert::DefSQStaticCallback inside a
* template (it gives an internal error 373). Above that, it doesn't listen
* to 'using namespace' inside a function of a template. So for GCC 2.95 we
* do it in the global space to avoid compiler errors. */
using namespace SQConvert;
#endif /* __GNUC__ == 2 */
/**
* 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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