diff options
Diffstat (limited to 'engines/kyra/util.h')
-rw-r--r-- | engines/kyra/util.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/engines/kyra/util.h b/engines/kyra/util.h new file mode 100644 index 0000000000..98692df015 --- /dev/null +++ b/engines/kyra/util.h @@ -0,0 +1,63 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program 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. + + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + * + */ + +#ifndef KYRA_UTIL_H +#define KYRA_UTIL_H + +#include "common/func.h" + +namespace Kyra { + +template<class Arg, class Res> +struct Functor1 : public Common::UnaryFunction<Arg, Res> { + virtual ~Functor1() {} + + virtual operator bool() const = 0; + virtual Res operator()(Arg) const = 0; +}; + +template<class Arg, class Res, class T> +class Functor1Mem : public Functor1<Arg, Res> { +public: + typedef Res (T::*FuncType)(Arg); + + Functor1Mem(T *t, const FuncType &func) : _t(t), _func(func) {} + + operator bool() const { return _func != 0; } + Res operator()(Arg v1) const { + return (_t->*_func)(v1); + } +private: + mutable T *_t; + Res (T::*_func)(Arg); +}; + +struct ScriptState; + +typedef Functor1<ScriptState*, int> Opcode; + +} // end of namespace Kyra + +#endif |