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- /*
- * This file is part of UAS2.
- *
- * UAS2 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.
- *
- * UAS2 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 UASv1; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
- /* Special thanks to David Simpson for his work on the cell.dat and portal.dat extraction code */
-
- /**
- * @file DatFile.h
- */
-
- #ifndef __DATFILE_H
- #define __DATFILE_H
-
- #pragma warning(disable:4786) //warning: identifier was truncated to '255' characters in the browser information
-
- #include <winsock2.h>
- #include <list>
- #include <algorithm>
-
- #include "Avatar.h"
-
- #define CELLSECSIZE 64
- #define PORTALSECSIZE 256
- #define NUMFILELOC 0x03F
- #define ROOTDIRPTRLOC 0x148
-
- class cPortalDat
- {
-
- public:
-
- static void LoadStartingInfo ( cAvatar *pcAvatar );
- static void LoadItemModel ( cObject *pcObject, DWORD dwModelID, DWORD dwColorID = 0, double dblColorValue = -1 );
- static int CalcPalette ( int numPalettes, double palValue = -1 );
-
- /**
- * Loads the portal.dat information for the specified file.
- *
- * Calls FetchPortalFilePos to find a file's position.
- * Calls FetchPortalFile to fetch a file from its found position.
- *
- * @param &buf - The address of the buffer that should receive the file information.
- * @param file - The file to be loaded from the portal.dat.
- */
- static inline void Load_PortalDat( UCHAR* &buf, char file[9] )
- {
- FILE *inFile;
- int read;
- UINT rootDirPtr;
- UINT filePos, len;
- UINT id;
-
- inFile = fopen("portal.dat", "rb");
- if (inFile == NULL)
- {
- UpdateConsole(" Portal.dat: Open failed.\r\n");
- // return -1;
- }
-
- read = fseek(inFile, ROOTDIRPTRLOC, SEEK_SET);
- if (read != 0)
- {
- UpdateConsole(" Portal.dat: Read error.\r\n");
- fclose(inFile);
- // return -1;
- }
-
- read = fread(&rootDirPtr, sizeof(UINT), 1, inFile);
- if (read != 1)
- {
- UpdateConsole(" Portal.dat: End of file reached.\r\n");
- fclose(inFile);
- // return 0;
- }
-
- id = strtol(file, NULL, 16);
-
- if (!FetchPortalFilePos(inFile, rootDirPtr, id, &filePos, &len))
- {
- UpdateConsole(" Portal.dat: File not found.\r\n");
- // return -1;
- }
-
- buf = (UCHAR *)malloc(len);
- if (!FetchPortalFile(inFile, filePos, len, buf))
- {
- free(buf);
- fclose(inFile);
- // return -1;
- }
-
- //free(buf);
- fclose(inFile);
- }
-
- private:
-
- /**
- * Finds the location of a file in the portal.dat.
- *
- * @param &inFile - The address of the file/directory to search (the portal.dat).
- * @param disPos - The beginning position of the file pointer (in BYTEs).
- * @param id - The file to be loaded from the portal.dat.
- * @param *filePos - A pointer to the variable that should receive the file's position.
- * @param *len - A pointer to the variable that should receive the file's length.
- */
- static inline int FetchPortalFilePos(FILE *inFile, UINT dirPos, UINT id, UINT *filePos, UINT *len)
- {
-
- UINT dir[PORTALSECSIZE];
- UINT i;
- UINT numFiles;
- int read;
-
- while (1)
- {
- if (dirPos == 0)
- {
- UpdateConsole(" Portal.dat: NULL directory entry found.\r\n");
- return 0;
- }
-
- read = fseek(inFile, dirPos, SEEK_SET);
- if (read != 0)
- {
- UpdateConsole(" Portal.dat: Sector is beyond end of file.\r\n");
- return 0;
- }
-
- read = fread(dir, sizeof(UINT), PORTALSECSIZE, inFile);
- if (read != PORTALSECSIZE)
- {
- UpdateConsole(" Portal.dat: Sector doesn't contain enough words.\r\n");
- return 0;
- }
-
- numFiles = dir[NUMFILELOC];
- if (numFiles >= NUMFILELOC)
- {
- UpdateConsole(" Portal.dat: Number of files exceeds directory entries.\r\n");
- return 0;
- }
-
- i = 0;
- while ((i < numFiles) && (id > dir[i * 3 + NUMFILELOC + 1]))
- {
- i++;
- }
- if (i < numFiles)
- {
- if (id == dir[i * 3 + NUMFILELOC + 1])
- {
- *filePos = dir[i * 3 + NUMFILELOC + 2];
- *len = dir[i * 3 + NUMFILELOC + 3];
- return 1;
- }
- }
-
- if (dir[1] == 0)
- {
- filePos = 0;
- len = 0;
- return 0;
- }
- dirPos = dir[i + 1];
- }
-
- return 0;
- }
-
- /**
- * Fetches a file from the portal.dat.
- *
- * @param *inFile - A pointer to the file/directory to search (the portal.dat).
- * @param filePos - The variable that should receive the file's position.
- * @param len - The variable that should receive the file's length.
- * *@param &buf - A pointer to the buffer that should receive the file information.
- */
- static inline int FetchPortalFile(FILE *inFile, UINT filePos, UINT len, UCHAR *buf)
- {
- int read, doChain;
- UINT sec[PORTALSECSIZE];
-
- if (filePos == 0)
- {
- UpdateConsole(" Portal.dat: Null file pointer found.\r\n");
- return 0;
- }
-
- doChain = 1;
- while (doChain)
- {
-
- read = fseek(inFile, filePos, SEEK_SET);
- if (read != 0)
- {
- UpdateConsole(" Portal.dat: Seek failed.\r\n");
- return 0;
- }
- read = fread(sec, sizeof(UINT), PORTALSECSIZE, inFile);
- if (read != PORTALSECSIZE)
- {
- UpdateConsole(" Portal.dat: Sector doesn't contain enough words.\r\n");
- return 0;
- }
-
- filePos = sec[0] & 0x7FFFFFFF;
-
- if (len > (PORTALSECSIZE - 1) * sizeof(UINT))
- {
- memcpy(buf, &sec[1], (PORTALSECSIZE - 1) * sizeof(UINT));
- buf += (PORTALSECSIZE - 1) * sizeof(UINT);
- len -= (PORTALSECSIZE - 1) * sizeof(UINT);
- } else {
- memcpy(buf, &sec[1], len);
- len = 0;
- }
-
- if (filePos == 0)
- doChain = 0;
- }
-
- return 1;
- }
- };
-
- #endif // #ifndef __DATFILE_H
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