mirror of
https://github.com/libretro/scummvm.git
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100 lines
2.3 KiB
C++
100 lines
2.3 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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* 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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* 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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/*
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* This code is based on original Soltys source code
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* Copyright (c) 1994-1995 Janus B. Wisniewski and L.K. Avalon
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*/
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#include "cge/cge.h"
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#include "cge/general.h"
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#include "cge/snddrv.h"
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namespace CGE {
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uint16 XCrypt(void *buf, uint16 siz) {
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byte *b = static_cast<byte *>(buf);
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for (uint16 i = 0; i < siz; i++)
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*b++ ^= kCryptSeed;
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return kCryptSeed;
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}
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char *mergeExt(char *buf, const char *name, const char *ext) {
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strcpy(buf, name);
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char *dot = strrchr(buf, '.');
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if (!dot)
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strcat(buf, ext);
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return buf;
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}
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char *forceExt(char *buf, const char *name, const char *ext) {
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strcpy(buf, name);
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char *dot = strrchr(buf, '.');
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if (dot)
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*dot = '\0';
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strcat(buf, ext);
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return buf;
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}
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void sndSetVolume() {
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// USeless for ScummVM
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}
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DataCk *loadWave(EncryptedStream *file) {
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byte *data = (byte *)malloc(file->size());
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file->read(data, file->size());
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return new DataCk(data, file->size());
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}
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int takeEnum(const char **tab, const char *text) {
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const char **e;
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if (text) {
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for (e = tab; *e; e++) {
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if (scumm_stricmp(text, *e) == 0) {
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return e - tab;
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}
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}
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}
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return -1;
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}
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int newRandom(int range) {
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return ((CGEEngine *)g_engine)->_randomSource.getRandomNumber(range - 1);
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}
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DataCk::DataCk(byte *buf, int bufSize) {
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_buf = buf;
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_ckSize = bufSize;
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}
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DataCk::~DataCk() {
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free(_buf);
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}
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} // End of namespace CGE
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