mirror of
https://github.com/scummvm/scummvm.git
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325 lines
8.9 KiB
C++
325 lines
8.9 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001 Ludvig Strigeus
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* Copyright (C) 2001-2005 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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#include "stdafx.h"
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#include "scumm/scumm.h"
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#include "scumm/intern.h"
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#include "scumm/resource.h"
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namespace Scumm {
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void ScummEngine_v4::readIndexFile() {
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uint16 blocktype;
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uint32 itemsize;
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int numblock = 0;
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debug(9, "readIndexFile()");
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closeRoom();
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openRoom(0);
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while (!_fileHandle->eof()) {
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itemsize = _fileHandle->readUint32LE();
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blocktype = _fileHandle->readUint16LE();
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if (_fileHandle->ioFailed())
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break;
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switch (blocktype) {
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case 0x4E52: // 'NR'
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_fileHandle->readUint16LE();
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break;
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case 0x5230: // 'R0'
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_numRooms = _fileHandle->readUint16LE();
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break;
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case 0x5330: // 'S0'
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_numScripts = _fileHandle->readUint16LE();
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break;
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case 0x4E30: // 'N0'
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_numSounds = _fileHandle->readUint16LE();
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break;
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case 0x4330: // 'C0'
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_numCostumes = _fileHandle->readUint16LE();
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break;
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case 0x4F30: // 'O0'
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_numGlobalObjects = _fileHandle->readUint16LE();
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break;
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}
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_fileHandle->seek(itemsize - 8, SEEK_CUR);
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}
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_fileHandle->clearIOFailed();
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_fileHandle->seek(0, SEEK_SET);
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readMAXS(0);
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// Jamieson630: palManipulate variable initialization
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_palManipCounter = 0;
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_palManipPalette = 0; // Will allocate when needed
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_palManipIntermediatePal = 0; // Will allocate when needed
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while (1) {
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itemsize = _fileHandle->readUint32LE();
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if (_fileHandle->ioFailed())
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break;
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blocktype = _fileHandle->readUint16LE();
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numblock++;
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switch (blocktype) {
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case 0x4E52: // 'NR'
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_fileHandle->seek(itemsize - 6, SEEK_CUR);
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break;
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case 0x5230: // 'R0'
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readResTypeList(rtRoom, MKID('ROOM'), "room");
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break;
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case 0x5330: // 'S0'
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readResTypeList(rtScript, MKID('SCRP'), "script");
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break;
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case 0x4E30: // 'N0'
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readResTypeList(rtSound, MKID('SOUN'), "sound");
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break;
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case 0x4330: // 'C0'
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readResTypeList(rtCostume, MKID('COST'), "costume");
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break;
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case 0x4F30: // 'O0'
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readGlobalObjects();
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break;
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default:
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// FIXME: this is a little hack because Indy3 FM-TOWNS has
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// 32 extra bytes of unknown meaning appended to 00.LFL
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if (!(_gameId == GID_INDY3 && _features & GF_FMTOWNS))
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error("Bad ID %c%c found in directory!", blocktype & 0xFF, blocktype >> 8);
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return;
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}
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}
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closeRoom();
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}
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void ScummEngine_v4::loadCharset(int no) {
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uint32 size;
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memset(_charsetData, 0, sizeof(_charsetData));
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checkRange(4, 0, no, "Loading illegal charset %d");
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closeRoom();
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File file;
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char buf[20];
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sprintf(buf, "%03d.LFL", 900 + no);
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file.open(buf);
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if (file.isOpen() == false) {
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error("loadCharset(%d): Missing file charset: %s", no, buf);
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}
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size = file.readUint32LE() + 11;
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file.read(res.createResource(rtCharset, no, size), size);
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}
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void ScummEngine_v4::readMAXS(int blockSize) {
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// FIXME - I'm not sure for those values yet, they will have to be rechecked
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_numVariables = 800; // 800
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_numBitVariables = 4096; // 2048
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_numLocalObjects = 200; // 200
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_numArray = 50;
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_numVerbs = 100;
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_numNewNames = 50;
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_objectRoomTable = NULL;
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_numCharsets = 9; // 9
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_numInventory = 80; // 80
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_numGlobalScripts = 200;
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_numFlObject = 50;
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_shadowPaletteSize = 256;
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_shadowPalette = (byte *) calloc(_shadowPaletteSize, 1); // FIXME - needs to be removed later
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allocateArrays();
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}
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void ScummEngine_v4::readGlobalObjects() {
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int i;
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int num = _fileHandle->readUint16LE();
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assert(num == _numGlobalObjects);
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uint32 bits;
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byte tmp;
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for (i = 0; i != num; i++) {
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bits = _fileHandle->readByte();
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bits |= _fileHandle->readByte() << 8;
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bits |= _fileHandle->readByte() << 16;
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_classData[i] = bits;
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tmp = _fileHandle->readByte();
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_objectOwnerTable[i] = tmp & OF_OWNER_MASK;
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_objectStateTable[i] = tmp >> OF_STATE_SHL;
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}
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}
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void ScummEngine_v8::readGlobalObjects() {
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int i;
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int num = _fileHandle->readUint32LE();
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assert(num == _numGlobalObjects);
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char buffer[40];
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for (i = 0; i < num; i++) {
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_fileHandle->read(buffer, 40);
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if (buffer[0]) {
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// Add to object name-to-id map
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_objectIDMap[buffer] = i;
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}
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_objectStateTable[i] = _fileHandle->readByte();
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_objectRoomTable[i] = _fileHandle->readByte();
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_classData[i] = _fileHandle->readUint32LE();
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}
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memset(_objectOwnerTable, 0xFF, num);
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}
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void ScummEngine_v7::readGlobalObjects() {
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int num = _fileHandle->readUint16LE();
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assert(num == _numGlobalObjects);
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_fileHandle->read(_objectStateTable, num);
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_fileHandle->read(_objectRoomTable, num);
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memset(_objectOwnerTable, 0xFF, num);
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_fileHandle->read(_classData, num * sizeof(uint32));
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#if defined(SCUMM_BIG_ENDIAN)
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// Correct the endianess if necessary
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for (int i = 0; i != num; i++)
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_classData[i] = FROM_LE_32(_classData[i]);
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#endif
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}
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void ScummEngine_v8::readMAXS(int blockSize) {
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debug(9, "readMAXS: MAXS has blocksize %d", blockSize);
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_fileHandle->seek(50 + 50, SEEK_CUR); // 176 - 8
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_numVariables = _fileHandle->readUint32LE(); // 1500
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_numBitVariables = _fileHandle->readUint32LE(); // 2048
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_fileHandle->readUint32LE(); // 40
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_numScripts = _fileHandle->readUint32LE(); // 458
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_numSounds = _fileHandle->readUint32LE(); // 789
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_numCharsets = _fileHandle->readUint32LE(); // 1
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_numCostumes = _fileHandle->readUint32LE(); // 446
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_numRooms = _fileHandle->readUint32LE(); // 95
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_fileHandle->readUint32LE(); // 80
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_numGlobalObjects = _fileHandle->readUint32LE(); // 1401
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_fileHandle->readUint32LE(); // 60
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_numLocalObjects = _fileHandle->readUint32LE(); // 200
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_numNewNames = _fileHandle->readUint32LE(); // 100
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_numFlObject = _fileHandle->readUint32LE(); // 128
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_numInventory = _fileHandle->readUint32LE(); // 80
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_numArray = _fileHandle->readUint32LE(); // 200
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_numVerbs = _fileHandle->readUint32LE(); // 50
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_objectRoomTable = (byte *)calloc(_numGlobalObjects, 1);
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_numGlobalScripts = 2000;
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_shadowPaletteSize = NUM_SHADOW_PALETTE * 256;
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_shadowPalette = (byte *)calloc(_shadowPaletteSize, 1);
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allocateArrays();
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_dynamicRoomOffsets = true;
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}
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void ScummEngine_v7::readMAXS(int blockSize) {
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debug(9, "readMAXS: MAXS has blocksize %d", blockSize);
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_fileHandle->seek(50 + 50, SEEK_CUR);
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_numVariables = _fileHandle->readUint16LE();
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_numBitVariables = _fileHandle->readUint16LE();
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_fileHandle->readUint16LE();
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_numGlobalObjects = _fileHandle->readUint16LE();
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_numLocalObjects = _fileHandle->readUint16LE();
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_numNewNames = _fileHandle->readUint16LE();
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_numVerbs = _fileHandle->readUint16LE();
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_numFlObject = _fileHandle->readUint16LE();
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_numInventory = _fileHandle->readUint16LE();
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_numArray = _fileHandle->readUint16LE();
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_numRooms = _fileHandle->readUint16LE();
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_numScripts = _fileHandle->readUint16LE();
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_numSounds = _fileHandle->readUint16LE();
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_numCharsets = _fileHandle->readUint16LE();
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_numCostumes = _fileHandle->readUint16LE();
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_objectRoomTable = (byte *)calloc(_numGlobalObjects, 1);
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if ((_gameId == GID_FT) && (_features & GF_DEMO) &&
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(_features & GF_PC))
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_numGlobalScripts = 300;
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else
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_numGlobalScripts = 2000;
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_shadowPaletteSize = NUM_SHADOW_PALETTE * 256;
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_shadowPalette = (byte *)calloc(_shadowPaletteSize, 1);
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allocateArrays();
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_dynamicRoomOffsets = true;
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}
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void ScummEngine_v6::readMAXS(int blockSize) {
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debug(9, "readMAXS: MAXS has blocksize %d", blockSize);
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_numVariables = _fileHandle->readUint16LE();
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_fileHandle->readUint16LE();
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_numBitVariables = _fileHandle->readUint16LE();
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_numLocalObjects = _fileHandle->readUint16LE();
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_numArray = _fileHandle->readUint16LE();
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_fileHandle->readUint16LE();
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_numVerbs = _fileHandle->readUint16LE();
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_numFlObject = _fileHandle->readUint16LE();
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_numInventory = _fileHandle->readUint16LE();
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_numRooms = _fileHandle->readUint16LE();
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_numScripts = _fileHandle->readUint16LE();
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_numSounds = _fileHandle->readUint16LE();
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_numCharsets = _fileHandle->readUint16LE();
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_numCostumes = _fileHandle->readUint16LE();
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_numGlobalObjects = _fileHandle->readUint16LE();
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_numNewNames = 50;
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_objectRoomTable = NULL;
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_numGlobalScripts = 200;
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if (_heversion >= 70) {
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_objectRoomTable = (byte *)calloc(_numGlobalObjects, 1);
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}
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_shadowPaletteSize = 256;
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_shadowPalette = (byte *)calloc(_shadowPaletteSize, 1);
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allocateArrays();
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_dynamicRoomOffsets = true;
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}
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} // End of namespace Scumm
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