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 */ 22 23 #ifndef TEENAGENT_SEGMENT_H 24 #define TEENAGENT_SEGMENT_H 25 26 #include "common/stream.h" 27 #include "common/endian.h" 28 29 namespace TeenAgent { 30 31 class Segment { 32 uint32 _size; 33 byte *_data; 34 35 public: Segment()36 Segment() : _size(0), _data(0) {} 37 ~Segment(); 38 39 void read(Common::ReadStream *s, uint32 _size); 40 get_byte(uint32 offset)41 inline byte get_byte(uint32 offset) const { 42 assert(offset < _size); 43 return _data[offset]; 44 } 45 get_word(uint32 offset)46 inline uint16 get_word(uint32 offset) const { 47 assert(offset + 1 < _size); 48 return READ_LE_UINT16(_data + offset); 49 } 50 set_byte(uint32 offset,byte v)51 inline void set_byte(uint32 offset, byte v) const { 52 assert(offset < _size); 53 _data[offset] = v; 54 } 55 set_word(uint32 offset,uint16 v)56 inline void set_word(uint32 offset, uint16 v) const { 57 assert(offset + 1 < _size); 58 return WRITE_LE_UINT16(_data + offset, v); 59 } 60 ptr(uint32 addr)61 const byte *ptr(uint32 addr) const { 62 assert(addr < _size); 63 return _data + addr; 64 } 65 ptr(uint32 addr)66 byte *ptr(uint32 addr) { 67 assert(addr < _size); 68 return _data + addr; 69 } 70 size()71 uint size() const { return _size; } 72 }; 73 74 } // End of namespace TeenAgent 75 76 #endif 77