1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
/* ScummVM - Scumm Interpreter
* Copyright (C) 2002-2005 The ScummVM project
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#include "stdafx.h"
#include "scumm/scumm.h"
#include "scumm/intern.h"
#include "scumm/player_v2.h"
#include "scumm/player_v1.h"
#include "scumm/resource.h"
#include "sound/mididrv.h"
namespace Scumm {
void ScummEngine_v2::readClassicIndexFile() {
int i;
if (_gameId == GID_MANIAC) {
if (!(_features & GF_AMIGA) && !(_features & GF_NES))
_musicEngine = new Player_V1(this, _midiDriver != MD_PCSPK);
_numGlobalObjects = 800;
_numRooms = 55;
_numCostumes = 35;
_numScripts = 200;
_numSounds = 100;
} else if (_gameId == GID_ZAK) {
if (!(_features & GF_AMIGA))
_musicEngine = new Player_V2(this, _midiDriver != MD_PCSPK);
_numGlobalObjects = 775;
_numRooms = 61;
_numCostumes = 37;
_numScripts = 155;
_numSounds = 120;
}
_fileHandle.seek(0, SEEK_SET);
readMAXS();
// Jamieson630: palManipulate variable initialization
_palManipCounter = 0;
_palManipPalette = 0; // Will allocate when needed
_palManipIntermediatePal = 0; // Will allocate when needed
_fileHandle.readUint16LE(); /* version magic number */
for (i = 0; i != _numGlobalObjects; i++) {
byte tmp = _fileHandle.readByte();
_objectOwnerTable[i] = tmp & OF_OWNER_MASK;
_objectStateTable[i] = tmp >> OF_STATE_SHL;
}
for (i = 0; i < _numRooms; i++) {
res.roomno[rtRoom][i] = i;
}
_fileHandle.seek(_numRooms, SEEK_CUR);
for (i = 0; i < _numRooms; i++) {
res.roomoffs[rtRoom][i] = _fileHandle.readUint16LE();
if (res.roomoffs[rtRoom][i] == 0xFFFF)
res.roomoffs[rtRoom][i] = 0xFFFFFFFF;
}
for (i = 0; i < _numCostumes; i++) {
res.roomno[rtCostume][i] = _fileHandle.readByte();
}
for (i = 0; i < _numCostumes; i++) {
res.roomoffs[rtCostume][i] = _fileHandle.readUint16LE();
if (res.roomoffs[rtCostume][i] == 0xFFFF)
res.roomoffs[rtCostume][i] = 0xFFFFFFFF;
}
for (i = 0; i < _numScripts; i++) {
res.roomno[rtScript][i] = _fileHandle.readByte();
}
for (i = 0; i < _numScripts; i++) {
res.roomoffs[rtScript][i] = _fileHandle.readUint16LE();
if (res.roomoffs[rtScript][i] == 0xFFFF)
res.roomoffs[rtScript][i] = 0xFFFFFFFF;
}
for (i = 0; i < _numSounds; i++) {
res.roomno[rtSound][i] = _fileHandle.readByte();
}
for (i = 0; i < _numSounds; i++) {
res.roomoffs[rtSound][i] = _fileHandle.readUint16LE();
if (res.roomoffs[rtSound][i] == 0xFFFF)
res.roomoffs[rtSound][i] = 0xFFFFFFFF;
}
}
void ScummEngine_v2::readEnhancedIndexFile() {
if (!(_features & GF_AMIGA))
_musicEngine = new Player_V2(this, _midiDriver != MD_PCSPK);
_numGlobalObjects = _fileHandle.readUint16LE();
_fileHandle.seek(_numGlobalObjects, SEEK_CUR); // Skip object flags
_numRooms = _fileHandle.readByte();
_fileHandle.seek(_numRooms * 3, SEEK_CUR);
_numCostumes = _fileHandle.readByte();
_fileHandle.seek(_numCostumes * 3, SEEK_CUR);
_numScripts = _fileHandle.readByte();
_fileHandle.seek(_numScripts * 3, SEEK_CUR);
_numSounds = _fileHandle.readByte();
_fileHandle.clearIOFailed();
_fileHandle.seek(0, SEEK_SET);
readMAXS();
// Jamieson630: palManipulate variable initialization
_palManipCounter = 0;
_palManipPalette = 0; // Will allocate when needed
_palManipIntermediatePal = 0; // Will allocate when needed
_fileHandle.readUint16LE(); /* version magic number */
int num = _fileHandle.readUint16LE();
assert(num == _numGlobalObjects);
for (int i = 0; i != num; i++) {
byte tmp = _fileHandle.readByte();
_objectOwnerTable[i] = tmp & OF_OWNER_MASK;
_objectStateTable[i] = tmp >> OF_STATE_SHL;
}
readResTypeList(rtRoom, MKID('ROOM'), "room");
readResTypeList(rtCostume, MKID('COST'), "costume");
readResTypeList(rtScript, MKID('SCRP'), "script");
readResTypeList(rtSound, MKID('SOUN'), "sound");
}
void ScummEngine_v2::readIndexFile() {
int magic = 0;
debug(9, "readIndexFile()");
closeRoom();
openRoom(0);
magic = _fileHandle.readUint16LE();
switch (magic) {
case 0x0100:
printf("Enhanced V2 game detected\n");
readEnhancedIndexFile();
break;
case 0x0A31:
printf("Classic V1 game detected\n");
_version = 1;
readClassicIndexFile();
break;
case 0x4643:
error("No support for NES version");
if (!(_features & GF_NES))
error("Use maniacnes target");
printf("NES V1 game detected\n");
_version = 1;
readClassicIndexFile();
break;
default:
error("Unknown magic id (0x%X) - this version is unsupported", magic);
break;
}
closeRoom();
}
void ScummEngine_v2::readMAXS() {
// FIXME - I'm not sure for those values yet, they will have to be rechecked
_numVariables = 800; // 800
_numBitVariables = 4096; // 2048
_numLocalObjects = 200; // 200
_numArray = 50;
_numVerbs = 100;
_numNewNames = 50;
_objectRoomTable = NULL;
_numCharsets = 9; // 9
_numInventory = 80; // 80
_numGlobalScripts = 200;
_numFlObject = 50;
_shadowPaletteSize = 256;
_shadowPalette = (byte *) calloc(_shadowPaletteSize, 1); // FIXME - needs to be removed later
allocateArrays();
}
void ScummEngine_v2::loadCharset(int num) {
// Stub, V2 font resources are hardcoded into the engine.
}
} // End of namespace Scumm
|
