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/* 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 *)alloc(_shadowPaletteSize); // 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);
}
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