Function SaveLevelData

roomedit/source/save.cpp:527–749

/ * SaveLevelData: Save current level to given file. */

 * SaveLevelData:  Save current level to given file.
 */
void SaveLevelData (char *outfile)
{
	FILE       *file;
	int         i, width, height, true_minx, true_miny, true_maxx, true_maxy;
	SHORT       n;
	BSPTree     tree;
	int         temp;
	long        main_pos, server_pos, security_pos;
	long        node_pos, cwall_pos, rwall_pos, sector_pos, thing_pos, sidedef_pos;
	WallDataList walls;
	RECT        room_subrect;

	// Backup existent file, if any
	if (BackupFile(outfile) == False)
		return;

	SELECT_WAIT_CURSOR();
	SAVE_WORK_MSG();

	ClearLog();
	WorkMessage ("Saving data to \"%s\"...", outfile);
	LogMessage ("Saving data to \"%s\"...\n", outfile);

	// Init. to NULL to destory it safely at the end of this function
	pProgressDialog = NULL;

	//
	// open the file
	//
	if ((file = fopen (outfile, "wb")) == NULL)
		ProgError ("Unable to open file \"%s\"", outfile);

	security = 0;

	for (i=0; i < 4; i++)
		WriteBytes(file, &room_magic[i], 1);
   
	temp = ROO_VERSION;
	WriteBytes(file, &temp, 4);
   security += ROO_VERSION;

	// Remember position in file for backpatching, and leave space in file
   security_pos = FileCurPos(file);
	WriteBytes(file, &temp, 4);
	main_pos = FileCurPos(file);
   WriteBytes(file, &temp, 4);
   server_pos = FileCurPos(file);
   WriteBytes(file, &temp, 4);

	// *** Save main section

   // Backpatch in position of client information
   FileBackpatch(file, main_pos, FileCurPos(file));

   // update MapMinX, MapMinY, MapMaxX, MapMaxY
   FindRoomBoundary();

	// See if we should set apparent room size smaller than actual room size