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