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70 lines
2.5 KiB
C++
70 lines
2.5 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "glk/alan3/compatibility.h"
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namespace Glk {
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namespace Alan3 {
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/*----------------------------------------------------------------------*/
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static bool is3_0Alpha(const byte version[]) {
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return version[3] == 3 && version[2] == 0 && version[0] == 'a';
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}
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/*----------------------------------------------------------------------*/
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static bool is3_0Beta(const byte version[]) {
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return version[3] == 3 && version[2] == 0 && version[0] == 'b';
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}
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/*----------------------------------------------------------------------*/
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static int correction(const byte version[]) {
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return version[1];
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}
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/*======================================================================*/
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bool isPreAlpha5(const byte version[4]) {
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return is3_0Alpha(version) && correction(version) < 5;
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}
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/*======================================================================*/
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bool isPreBeta2(const byte version[4]) {
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return is3_0Alpha(version) || (is3_0Beta(version) && correction(version) == 1);
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}
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/*======================================================================*/
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bool isPreBeta3(const byte version[4]) {
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return is3_0Alpha(version) || (is3_0Beta(version) && correction(version) <= 2);
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}
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/*======================================================================*/
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bool isPreBeta4(const byte version[4]) {
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return is3_0Alpha(version) || (is3_0Beta(version) && correction(version) <= 3);
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}
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/*======================================================================*/
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bool isPreBeta5(const byte version[4]) {
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return is3_0Alpha(version) || (is3_0Beta(version) && correction(version) <= 4);
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}
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} // End of namespace Alan3
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} // End of namespace Glk
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