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/* ScummVM - Scumm Interpreter
* Copyright (C) 2002-2003 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"
#include "intern.h"
#include "resource.h"
void Scumm_v2::readClassicIndexFile() {
int i;
if (_gameId == GID_MANIAC64) {
_numGlobalObjects = 800;
_numRooms = 55;
_numCostumes = 35;
_numScripts = 200;
_numSounds = 100;
} else if (_gameId == GID_ZAK64) {
_numGlobalObjects = 775;
_numRooms = 61;
_numCostumes = 37;
_numScripts = 155;
_numSounds = 120;
} else {
error("Scumm_v1::readEchancedIndexFile(). Unknown game variant.");
}
_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 < _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 Scumm_v2::readEnhancedIndexFile() {
_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 Scumm_v2::readIndexFile() {
int magic = 0;
debug(9, "readIndexFile()");
closeRoom();
openRoom(0);
magic = _fileHandle.readUint16LE();
switch(magic) {
case 0x0100:
warning("Enhanced V2 game detected");
readEnhancedIndexFile();
break;
case 0x0A31:
warning("Classic V1 game detected");
readClassicIndexFile();
break;
default:
error("Unknown magic id (0x%X) - this version is unsupported", magic);
break;
}
closeRoom();
}
void Scumm_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 = 0;
_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 Scumm_v2::loadCharset(int num) {
// Stub, V2 font resources are hardcoded into the engine. Possibly do some
// kind of language detection here in the future for multiple fonts...
}
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