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
24 #include "scumm/scumm_v3.h"
25 #include "scumm/file.h"
26 #include "scumm/resource.h"
27 #include "scumm/util.h"
28
29 namespace Scumm {
30
31 extern const char *nameOfResType(ResType type);
32
readResTypeList(ResType type)33 int ScummEngine_v3old::readResTypeList(ResType type) {
34 uint num;
35 ResId idx;
36
37 debug(9, "readResTypeList(%s)", nameOfResType(type));
38
39 num = _fileHandle->readByte();
40
41 if (num >= 0xFF) {
42 error("Too many %ss (%d) in directory", nameOfResType(type), num);
43 }
44
45 if (type == rtRoom) {
46 for (idx = 0; idx < num; idx++)
47 _res->_types[type][idx]._roomno = idx;
48 _fileHandle->seek(num, SEEK_CUR);
49 } else {
50 for (idx = 0; idx < num; idx++)
51 _res->_types[type][idx]._roomno = _fileHandle->readByte();
52 }
53 for (idx = 0; idx < num; idx++) {
54 _res->_types[type][idx]._roomoffs = _fileHandle->readUint16LE();
55 if (_res->_types[type][idx]._roomoffs == 0xFFFF)
56 _res->_types[type][idx]._roomoffs = (uint32)RES_INVALID_OFFSET;
57 }
58
59 return num;
60 }
61
readIndexFile()62 void ScummEngine_v3old::readIndexFile() {
63 int magic = 0;
64 debug(9, "readIndexFile()");
65
66 closeRoom();
67 openRoom(0);
68
69 magic = _fileHandle->readUint16LE();
70 if (magic != 0x0100)
71 error("The magic id doesn't match (0x%X)", magic);
72
73 _numGlobalObjects = _fileHandle->readUint16LE();
74 _fileHandle->seek(_numGlobalObjects * 4, SEEK_CUR);
75 _numRooms = _fileHandle->readByte();
76 _fileHandle->seek(_numRooms * 3, SEEK_CUR);
77 _numCostumes = _fileHandle->readByte();
78 _fileHandle->seek(_numCostumes * 3, SEEK_CUR);
79 _numScripts = _fileHandle->readByte();
80 _fileHandle->seek(_numScripts * 3, SEEK_CUR);
81 _numSounds = _fileHandle->readByte();
82
83 _fileHandle->clearErr();
84 _fileHandle->seek(0, SEEK_SET);
85
86 readMAXS(0);
87 allocateArrays();
88
89 _fileHandle->readUint16LE(); /* version magic number */
90 readGlobalObjects();
91 readResTypeList(rtRoom);
92 readResTypeList(rtCostume);
93 readResTypeList(rtScript);
94 readResTypeList(rtSound);
95
96 closeRoom();
97 }
98
readRoomsOffsets()99 void ScummEngine_v3::readRoomsOffsets() {
100 }
101
loadCharset(int no)102 void ScummEngine_v3::loadCharset(int no) {
103 uint32 size;
104 memset(_charsetData, 0, sizeof(_charsetData));
105
106 assertRange(0, no, 2, "charset");
107 closeRoom();
108
109 Common::File file;
110 char buf[20];
111
112 sprintf(buf, "%02d.LFL", 99 - no);
113 file.open(buf);
114
115 if (file.isOpen() == false) {
116 error("loadCharset(%d): Missing file charset: %s", no, buf);
117 }
118
119 size = file.readUint16LE();
120 file.read(_res->createResource(rtCharset, no, size), size);
121 }
122
123 } // End of namespace Scumm
124