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
|
/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001/2002 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.h"
void Scumm_v3::readIndexFile()
{
uint16 blocktype;
uint32 itemsize;
int numblock = 0;
int num, i;
debug(9, "readIndexFile()");
openRoom(-1);
openRoom(0);
while (!fileEof(_fileHandle)) {
itemsize = fileReadDwordLE();
blocktype = fileReadWordLE();
if (fileReadFailed(_fileHandle))
break;
switch (blocktype) {
case 0x4E52:
fileReadWordLE();
break;
case 0x5230:
_numRooms = fileReadWordLE();
break;
case 0x5330:
_numScripts = fileReadWordLE();
break;
case 0x4E30:
_numSounds = fileReadWordLE();
break;
case 0x4330:
_numCostumes = fileReadWordLE();
break;
case 0x4F30:
_numGlobalObjects = fileReadWordLE();
break;
}
fileSeek(_fileHandle, itemsize - 8, SEEK_CUR);
}
clearFileReadFailed(_fileHandle);
fileSeek(_fileHandle, 0, SEEK_SET);
/* 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 = 0;
_objectRoomTable = NULL;
_numCharsets = 9; /* 9 */
_numInventory = 80; /* 80 */
_numGlobalScripts = 200;
_shadowPaletteSize = 256;
_shadowPalette = (byte *) calloc(_shadowPaletteSize, 1); // stupid for now. Need to be removed later
_numFlObject = 50;
allocateArrays();
while (1) {
itemsize = fileReadDwordLE();
if (fileReadFailed(_fileHandle))
break;
blocktype = fileReadWordLE();
numblock++;
switch (blocktype) {
case 0x4E52:
fileSeek(_fileHandle, itemsize - 6, SEEK_CUR);
break;
case 0x5230:
readResTypeList(rtRoom, MKID('ROOM'), "room");
break;
case 0x5330:
readResTypeList(rtScript, MKID('SCRP'), "script");
break;
case 0x4E30:
readResTypeList(rtSound, MKID('SOUN'), "sound");
break;
case 0x4330:
readResTypeList(rtCostume, MKID('COST'), "costume");
break;
case 0x4F30:
num = fileReadWordLE();
assert(num == _numGlobalObjects);
for (i = 0; i != num; i++) {
uint32 bits = fileReadByte();
byte tmp;
bits |= fileReadByte() << 8;
bits |= fileReadByte() << 16;
_classData[i] = bits;
tmp = fileReadByte();
_objectOwnerTable[i] = tmp & OF_OWNER_MASK;
_objectStateTable[i] = tmp >> OF_STATE_SHL;
}
break;
default:
error("Bad ID %c%c found in directory!", blocktype & 0xFF, blocktype >> 8);
return;
}
}
openRoom(-1);
}
void Scumm_v3::loadCharset(int no)
{
uint32 size;
memset(_charsetData, 0, sizeof(_charsetData));
checkRange(4, 0, no, "Loading illegal charset %d");
openRoom(-1);
openRoom(98 + no);
size = fileReadWordLE();
fileRead(_fileHandle, createResource(6, no, size), size);
openRoom(-1);
}
|
