1 /* ScummVM - Graphic Adventure Engine 2 * 3 * ScummVM is the legal property of its developers, whose names 4 * are too numerous to list here. Please refer to the COPYRIGHT 5 * file distributed with this source distribution. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License 9 * as published by the Free Software Foundation; either version 2 10 * of the License, or (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 20 * 21 * CD/drive handling functions 22 */ 23 24 #ifndef TINSEL_DRIVES_H 25 #define TINSEL_DRIVES_H 26 27 #include "common/coroutines.h" 28 #include "common/stream.h" 29 #include "tinsel/dw.h" 30 31 namespace Tinsel { 32 33 // flags2 34 #define fCd1 0x00000001L 35 #define fCd2 0x00000002L 36 #define fCd3 0x00000004L 37 #define fCd4 0x00000008L 38 #define fCd5 0x00000010L 39 #define fCd6 0x00000020L 40 #define fCd7 0x00000040L 41 #define fCd8 0x00000080L 42 43 #define fAllCds (fCd1|fCd2|fCd3|fCd4|fCd5|fCd6|fCd7|fCd8) 44 45 void DoCdChange(); 46 47 void CdCD(CORO_PARAM); 48 49 int GetCurrentCD(); 50 51 void SetCD(int flags); 52 53 int GetCD(int flags); 54 55 void SetNextCD(int cdNumber); 56 57 bool GotoCD(); 58 59 class TinselFile : public Common::SeekableReadStream, public Common::ReadStreamEndian { 60 private: 61 static bool _warningShown; 62 Common::SeekableReadStream *_stream; 63 bool openInternal(const Common::String &filename); 64 public: 65 TinselFile(); 66 ~TinselFile(); 67 bool open(const Common::String &filename); 68 void close(); 69 char getCdNumber(); 70 71 bool err() const; 72 void clearErr(); 73 74 bool eos() const; 75 uint32 read(void *dataPtr, uint32 dataSize); 76 77 int32 pos() const; 78 int32 size() const; 79 bool seek(int32 offset, int whence = SEEK_SET); 80 }; 81 82 83 } // End of namespace Tinsel 84 85 #endif /* TINSEL_DRIVES_H */ 86