/* Copyright (C) 2005-2010 Valeriy Argunov (nporep AT mail DOT ru) */
/*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/

#include "game.h"
#include "actions.h"
#include "callbacks.h"
#include "codetools.h"
#include "coding.h"
#include "common.h"
#include "errors.h"
#include "locations.h"
#include "objects.h"
#include "playlist.h"
#include "statements.h"
#include "text.h"
#include "time_qsp.h"
#include "variables.h"

QSP_CHAR *qspQstPath = 0;
int qspQstPathLen = 0;
QSP_CHAR *qspQstFullPath = 0;
int qspQstCRC = 0;

QSP_CHAR *qspCurIncFiles[QSP_MAXINCFILES];
int qspCurIncFilesCount = 0;
int qspCurIncLocsCount = 0;

int qspCRCTable[256] =
{
	0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
	0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
	0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
	0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,
	0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172, 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
	0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
	0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F,
	0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,
	0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
	0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
	0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457,
	0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
	0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB,
	0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0, 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,
	0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
	0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,
	0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683,
	0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
	0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7,
	0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
	0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
	0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,
	0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236, 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F,
	0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
	0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713,
	0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21,
	0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
	0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,
	0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2, 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB,
	0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
	0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF,
	0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94, 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D
};

static int qspCRC(void *, int);
static void qspIncludeFile(QSP_CHAR *);
static void qspOpenIncludes();
static FILE *qspFileOpen(QSP_CHAR *, QSP_CHAR *);
static QSP_BOOL qspCheckQuest(char **, int, QSP_BOOL);
static QSP_BOOL qspCheckGameStatus(QSP_CHAR **, int);

static int qspCRC(void *data, int len)
{
	unsigned char *ptr;
	int crc = 0;
	ptr = (unsigned char *)data;
	while (len--)
		crc = (qspCRCTable[(crc & 0xFF) ^ *ptr++] ^ crc >> 8) ^ 0xD202EF8D;
	return crc;
}

QSP_CHAR *qspGetAbsFromRelPath(QSP_CHAR *path)
{
    QSP_CHAR *absPath;
	absPath = qspGetNewText(qspQstPath, qspQstPathLen);
    return qspGetAddText(absPath, path, qspQstPathLen, -1);
}

QSP_CHAR *qspGetPathAsIs(QSP_CHAR *path)
{
    QSP_CHAR *newPath;
    qspAddText(&newPath, path, 0, -1, QSP_TRUE);
    return newPath;
}

void qspClearIncludes(QSP_BOOL isFirst)
{
	int i, count;
	if (!isFirst)
	{
		for (i = 0; i < qspCurIncFilesCount; ++i)
			free(qspCurIncFiles[i]);
		if (qspCurIncLocsCount)
		{
			count = qspLocsCount - qspCurIncLocsCount;
			qspCreateWorld(count, count);
			qspPrepareLocs();
		}
	}
	qspCurIncFilesCount = 0;
	qspCurIncLocsCount = 0;
}

static void qspIncludeFile(QSP_CHAR *s)
{
	QSP_CHAR *file;
	int oldCurIncLocsCount;
	if (!qspIsAnyString(s)) return;
	if (qspCurIncFilesCount == QSP_MAXINCFILES)
	{
		qspSetError(QSP_ERR_CANTINCFILE);
		return;
	}
	oldCurIncLocsCount = qspCurIncLocsCount;
	file = qspGetAbsFromRelPath(s);
	qspOpenQuest(file, QSP_TRUE);
	free(file);
	if (qspErrorNum) return;
	if (qspCurIncLocsCount != oldCurIncLocsCount)
		qspCurIncFiles[qspCurIncFilesCount++] = qspGetNewText(s, -1);
}

static void qspOpenIncludes()
{
	int i;
	QSP_CHAR *file;
	for (i = 0; i < qspCurIncFilesCount; ++i)
	{
		file = qspGetAbsFromRelPath(qspCurIncFiles[i]);
		qspOpenQuest(file, QSP_TRUE);
		free(file);
		if (qspErrorNum) return;
	}
}

void qspNewGame(QSP_BOOL isReset)
{
	if (!qspLocsCount)
	{
		qspSetError(QSP_ERR_GAMENOTLOADED);
		return;
	}
	qspCurLoc = 0;
	if (isReset)
	{
		qspSetSeed((unsigned int)QSP_TIME(0));
		qspTimerInterval = QSP_DEFTIMERINTERVAL;
		qspCurIsShowObjs = qspCurIsShowActs = qspCurIsShowVars = qspCurIsShowInput = QSP_TRUE;
		qspMemClear(QSP_FALSE);
		qspResetTime(0);
		qspCallShowWindow(QSP_WIN_ACTS, QSP_TRUE);
		qspCallShowWindow(QSP_WIN_OBJS, QSP_TRUE);
		qspCallShowWindow(QSP_WIN_VARS, QSP_TRUE);
		qspCallShowWindow(QSP_WIN_INPUT, QSP_TRUE);
		qspCallSetInputStrText(0);
		qspCallShowPicture(0);
		qspCallCloseFile(0);
		qspCallSetTimer(QSP_DEFTIMERINTERVAL);
	}
	qspRefreshCurLoc(QSP_TRUE, 0, 0);
}

static FILE *qspFileOpen(QSP_CHAR *fileName, QSP_CHAR *fileMode)
{
	FILE *ret;
	char *file, *mode;
	file = qspToSysString(fileName);
	mode = qspToSysString(fileMode);
	ret = fopen(file, mode);
	free(file);
	free(mode);
	return ret;
}

static QSP_BOOL qspCheckQuest(char **strs, int count, QSP_BOOL isUCS2)
{
	int i, ind, locsCount, actsCount;
	QSP_BOOL isOldFormat;
	QSP_CHAR *buf = qspGameToQSPString(strs[0], isUCS2, QSP_FALSE);
	isOldFormat = qspStrsComp(buf, QSP_GAMEID) != 0;
	free(buf);
	ind = (isOldFormat ? 30 : 4);
	if (ind > count) return QSP_FALSE;
	buf = (isOldFormat ?
		qspGameToQSPString(strs[0], isUCS2, QSP_FALSE) : qspGameToQSPString(strs[3], isUCS2, QSP_TRUE));
	locsCount = qspStrToNum(buf, 0);
	free(buf);
	if (locsCount <= 0) return QSP_FALSE;
	for (i = 0; i < locsCount; ++i)
	{
		if ((ind += 3) > count) return QSP_FALSE;
		if (isOldFormat)
			actsCount = 20;
		else
		{
			if (ind + 1 > count) return QSP_FALSE;
			buf = qspGameToQSPString(strs[ind++], isUCS2, QSP_TRUE);
			actsCount = qspStrToNum(buf, 0);
			free(buf);
			if (actsCount < 0 || actsCount > QSP_MAXACTIONS) return QSP_FALSE;
		}
		if ((ind += (actsCount * (isOldFormat ? 2 : 3))) > count) return QSP_FALSE;
	}
	return QSP_TRUE;
}

void qspOpenQuestFromData(char *data, int dataSize, QSP_CHAR *fileName, QSP_BOOL isAddLocs)
{
	QSP_BOOL isOldFormat, isUCS2, isAddLoc;
	int i, j, ind, crc, count, locsCount, actsCount, start, end;
	QSP_CHAR *buf, *delim;
	char **strs;
	if (dataSize < 2)
	{
		qspSetError(QSP_ERR_CANTLOADFILE);
		return;
	}
	if (!isAddLocs) crc = qspCRC(data, dataSize);
	count = qspSplitGameStr(data, isUCS2 = !data[1], QSP_STRSDELIM, &strs);
	if (!qspCheckQuest(strs, count, isUCS2))
	{
		qspSetError(QSP_ERR_CANTLOADFILE);
		qspFreeStrs(strs, count);
		return;
	}
	buf = qspGameToQSPString(strs[0], isUCS2, QSP_FALSE);
	isOldFormat = qspStrsComp(buf, QSP_GAMEID) != 0;
	free(buf);
	buf = (isOldFormat ?
		qspGameToQSPString(strs[0], isUCS2, QSP_FALSE) : qspGameToQSPString(strs[3], isUCS2, QSP_TRUE));
	locsCount = qspStrToNum(buf, 0);
	free(buf);
	if (isAddLocs)
	{
		start = qspLocsCount;
		end = start + locsCount;
	}
	else
	{
		qspClearIncludes(QSP_FALSE);
		start = 0;
		end = locsCount;
	}
	locsCount = qspLocsCount;
	qspCreateWorld(start, end);
	qspLocsCount = locsCount;
	locsCount = start;
	ind = (isOldFormat ? 30 : 4);
	for (i = start; i < end; ++i)
	{
		buf = qspGameToQSPString(strs[ind++], isUCS2, QSP_TRUE);
		if (isAddLoc = !isAddLocs || qspLocIndex(buf) < 0)
			qspLocs[locsCount].Name = buf;
		else
			free(buf);
		if (isAddLoc)
		{
			qspLocs[locsCount].Desc = qspGameToQSPString(strs[ind++], isUCS2, QSP_TRUE);
			buf = qspGameToQSPString(strs[ind++], isUCS2, QSP_TRUE);
			qspLocs[locsCount].OnVisitLinesCount = qspPreprocessData(buf, &qspLocs[locsCount].OnVisitLines);
			free(buf);
		}
		else
			ind += 2;
		if (isOldFormat)
			actsCount = 20;
		else
		{
			buf = qspGameToQSPString(strs[ind++], isUCS2, QSP_TRUE);
			actsCount = qspStrToNum(buf, 0);
			free(buf);
		}
		if (isAddLoc)
		{
			for (j = 0; j < actsCount; ++j)
			{
				qspLocs[locsCount].Actions[j].Image = (isOldFormat ? 0 : qspGameToQSPString(strs[ind++], isUCS2, QSP_TRUE));
				qspLocs[locsCount].Actions[j].Desc = qspGameToQSPString(strs[ind++], isUCS2, QSP_TRUE);
				buf = qspGameToQSPString(strs[ind++], isUCS2, QSP_TRUE);
				qspLocs[locsCount].Actions[j].OnPressLinesCount = qspPreprocessData(buf, &qspLocs[locsCount].Actions[j].OnPressLines);
				free(buf);
			}
			++locsCount;
		}
		else
			ind += actsCount * (isOldFormat ? 2 : 3);
	}
	qspFreeStrs(strs, count);
	qspLocsCount = end;
	qspCreateWorld(end, locsCount);
	count = locsCount - start;
	if (count) qspPrepareLocs();
	if (isAddLocs)
		qspCurIncLocsCount += count;
	else
	{
		qspQstFullPath = qspGetAddText(qspQstFullPath, fileName, 0, -1);
		delim = qspInStrRChars(qspQstFullPath, QSP_PATHDELIMS, 0);
		qspQstPathLen = (delim ? (int)(delim - qspQstFullPath) + 1 : 0);
		qspQstPath = qspGetAddText(qspQstPath, qspQstFullPath, 0, qspQstPathLen);
		qspQstCRC = crc;
		qspCurLoc = -1;
	}
}

void qspOpenQuest(QSP_CHAR *fileName, QSP_BOOL isAddLocs)
{
	FILE *f;
	char *buf;
	int fileSize;
	if (!(f = QSP_FOPEN(fileName, QSP_FMT("rb"))))
	{
		qspSetError(QSP_ERR_FILENOTFOUND);
		return;
	}
	fseek(f, 0, SEEK_END);
	fileSize = ftell(f);
	buf = (char *)malloc(fileSize + 3);
	fseek(f, 0, SEEK_SET);
	fread(buf, 1, fileSize, f);
	fclose(f);
	buf[fileSize] = buf[fileSize + 1] = buf[fileSize + 2] = 0;
	qspOpenQuestFromData(buf, fileSize + 3, fileName, isAddLocs);
	free(buf);
}

int qspSaveGameStatusToString(QSP_CHAR **buf)
{
	QSP_CHAR *locName;
    QSPVar *savedVars;
    int i, j, len, varsCount, oldRefreshCount = qspRefreshCount;
	qspExecLocByVarNameWithArgs(QSP_FMT("ONGSAVE"), 0, 0);
	if (qspRefreshCount != oldRefreshCount || qspErrorNum) return 0;
    varsCount = qspPrepareLocalVars(&savedVars);
    if (qspErrorNum) return 0;
	*buf = 0;
	qspRefreshPlayList();
	locName = (qspCurLoc >= 0 ? qspLocs[qspCurLoc].Name : 0);
	len = qspCodeWriteVal(buf, 0, QSP_SAVEDGAMEID, QSP_FALSE);
	len = qspCodeWriteVal(buf, len, QSP_VER, QSP_FALSE);
	len = qspCodeWriteIntVal(buf, len, qspQstCRC, QSP_TRUE);
	len = qspCodeWriteIntVal(buf, len, qspGetTime(), QSP_TRUE);
	len = qspCodeWriteIntVal(buf, len, qspCurSelAction, QSP_TRUE);
	len = qspCodeWriteIntVal(buf, len, qspCurSelObject, QSP_TRUE);
	len = qspCodeWriteVal(buf, len, qspViewPath, QSP_TRUE);
	len = qspCodeWriteVal(buf, len, qspCurInput, QSP_TRUE);
	len = qspCodeWriteVal(buf, len, qspCurDesc, QSP_TRUE);
	len = qspCodeWriteVal(buf, len, qspCurVars, QSP_TRUE);
	len = qspCodeWriteVal(buf, len, locName, QSP_TRUE);
	len = qspCodeWriteIntVal(buf, len, (int)qspCurIsShowActs, QSP_TRUE);
	len = qspCodeWriteIntVal(buf, len, (int)qspCurIsShowObjs, QSP_TRUE);
	len = qspCodeWriteIntVal(buf, len, (int)qspCurIsShowVars, QSP_TRUE);
	len = qspCodeWriteIntVal(buf, len, (int)qspCurIsShowInput, QSP_TRUE);
	len = qspCodeWriteIntVal(buf, len, qspTimerInterval, QSP_TRUE);
	len = qspCodeWriteIntVal(buf, len, qspPLFilesCount, QSP_TRUE);
	for (i = 0; i < qspPLFilesCount; ++i)
		len = qspCodeWriteVal(buf, len, qspPLFiles[i], QSP_TRUE);
	len = qspCodeWriteIntVal(buf, len, qspCurIncFilesCount, QSP_TRUE);
	for (i = 0; i < qspCurIncFilesCount; ++i)
		len = qspCodeWriteVal(buf, len, qspCurIncFiles[i], QSP_TRUE);
	len = qspCodeWriteIntVal(buf, len, qspCurActionsCount, QSP_TRUE);
	for (i = 0; i < qspCurActionsCount; ++i)
	{
		if (qspCurActions[i].Image)
			len = qspCodeWriteVal(buf, len, qspCurActions[i].Image + qspQstPathLen, QSP_TRUE);
		else
			len = qspCodeWriteVal(buf, len, 0, QSP_FALSE);
		len = qspCodeWriteVal(buf, len, qspCurActions[i].Desc, QSP_TRUE);
		len = qspCodeWriteIntVal(buf, len, qspCurActions[i].OnPressLinesCount, QSP_TRUE);
		for (j = 0; j < qspCurActions[i].OnPressLinesCount; ++j)
		{
			len = qspCodeWriteVal(buf, len, qspCurActions[i].OnPressLines[j].Str, QSP_TRUE);
			len = qspCodeWriteIntVal(buf, len, qspCurActions[i].OnPressLines[j].LineNum, QSP_TRUE);
		}
		len = qspCodeWriteIntVal(buf, len, qspCurActions[i].Location, QSP_TRUE);
		len = qspCodeWriteIntVal(buf, len, qspCurActions[i].ActIndex, QSP_TRUE);
		len = qspCodeWriteIntVal(buf, len, qspCurActions[i].StartLine, QSP_TRUE);
		len = qspCodeWriteIntVal(buf, len, (int)qspCurActions[i].IsManageLines, QSP_TRUE);
	}
	len = qspCodeWriteIntVal(buf, len, qspCurObjectsCount, QSP_TRUE);
	for (i = 0; i < qspCurObjectsCount; ++i)
	{
		if (qspCurObjects[i].Image)
			len = qspCodeWriteVal(buf, len, qspCurObjects[i].Image + qspQstPathLen, QSP_TRUE);
		else
			len = qspCodeWriteVal(buf, len, 0, QSP_FALSE);
		len = qspCodeWriteVal(buf, len, qspCurObjects[i].Desc, QSP_TRUE);
	}
	len = qspCodeWriteIntVal(buf, len, qspGetVarsCount(), QSP_TRUE);
	for (i = 0; i < QSP_VARSCOUNT; ++i)
    {
		if (qspVars[i].Name)
		{
			len = qspCodeWriteIntVal(buf, len, i, QSP_TRUE);
			len = qspCodeWriteVal(buf, len, qspVars[i].Name, QSP_TRUE);
			len = qspCodeWriteIntVal(buf, len, qspVars[i].ValsCount, QSP_TRUE);
			for (j = 0; j < qspVars[i].ValsCount; ++j)
			{
				len = qspCodeWriteIntVal(buf, len, qspVars[i].Values[j].Num, QSP_TRUE);
				len = qspCodeWriteVal(buf, len, qspVars[i].Values[j].Str, QSP_TRUE);
			}
			len = qspCodeWriteIntVal(buf, len, qspVars[i].IndsCount, QSP_TRUE);
			for (j = 0; j < qspVars[i].IndsCount; ++j)
			{
				len = qspCodeWriteIntVal(buf, len, qspVars[i].Indices[j].Index, QSP_TRUE);
				len = qspCodeWriteVal(buf, len, qspVars[i].Indices[j].Str, QSP_TRUE);
			}
		}
    }
    qspRestoreLocalVars(savedVars, varsCount, qspSavedVarsGroups, qspSavedVarsGroupsCount);
    if (qspErrorNum)
    {
        free(*buf);
        return 0;
    }
	return len;
}

void qspSaveGameStatus(QSP_CHAR *fileName)
{
	FILE *f;
	int len;
	QSP_CHAR *buf;
	if (!(f = QSP_FOPEN(fileName, QSP_FMT("wb"))))
	{
		qspSetError(QSP_ERR_FILENOTFOUND);
		return;
	}
	if (len = qspSaveGameStatusToString(&buf))
	{
		fwrite(buf, sizeof(QSP_CHAR), len, f);
		free(buf);
	}
	fclose(f);
}

static QSP_BOOL qspCheckGameStatus(QSP_CHAR **strs, int strsCount)
{
	int i, j, ind, count, linesCount, lastInd, temp, selAction, selObject;
	ind = 17;
	if (ind > strsCount) return QSP_FALSE;
	if (qspStrsComp(strs[0], QSP_SAVEDGAMEID) ||
		qspStrsComp(strs[1], QSP_GAMEMINVER) < 0 ||
		qspStrsComp(strs[1], QSP_VER) > 0) return QSP_FALSE;
	if (!qspGetVarNumValue(QSP_FMT("DEBUG")) &&
		qspReCodeGetIntVal(strs[2]) != qspQstCRC) return QSP_FALSE;
	selAction = qspReCodeGetIntVal(strs[4]);
	selObject = qspReCodeGetIntVal(strs[5]);
	if (qspReCodeGetIntVal(strs[15]) < 0) return QSP_FALSE;
	temp = qspReCodeGetIntVal(strs[16]);
	if (temp < 0 || temp > QSP_MAXPLFILES || (ind += temp) > strsCount) return QSP_FALSE;
	if (ind + 1 > strsCount) return QSP_FALSE;
	temp = qspReCodeGetIntVal(strs[ind++]);
	if (temp < 0 || temp > QSP_MAXINCFILES || (ind += temp) > strsCount) return QSP_FALSE;
	if (ind + 1 > strsCount) return QSP_FALSE;
	count = qspReCodeGetIntVal(strs[ind++]);
	if (count < 0 || count > QSP_MAXACTIONS || selAction >= count) return QSP_FALSE;
	for (i = 0; i < count; ++i)
	{
		if ((ind += 2) > strsCount) return QSP_FALSE;
		if (ind + 1 > strsCount) return QSP_FALSE;
		linesCount = qspReCodeGetIntVal(strs[ind++]);
		if (linesCount < 0 || (ind + 2 * linesCount) > strsCount) return QSP_FALSE;
		for (j = 0; j < linesCount; ++j)
		{
			++ind;
			if (qspReCodeGetIntVal(strs[ind++]) < 0) return QSP_FALSE;
		}
		if (ind + 1 > strsCount) return QSP_FALSE;
		if (qspReCodeGetIntVal(strs[ind++]) < 0) return QSP_FALSE;
		if (++ind > strsCount) return QSP_FALSE;
		if (ind + 1 > strsCount) return QSP_FALSE;
		if (qspReCodeGetIntVal(strs[ind++]) < 0) return QSP_FALSE;
		if (++ind > strsCount) return QSP_FALSE;
	}
	if (ind + 1 > strsCount) return QSP_FALSE;
	temp = qspReCodeGetIntVal(strs[ind++]);
	if (temp < 0 || temp > QSP_MAXOBJECTS || selObject >= temp || (ind += 2 * temp) > strsCount) return QSP_FALSE;
	if (ind + 1 > strsCount) return QSP_FALSE;
	count = qspReCodeGetIntVal(strs[ind++]);
	if (count < 0) return QSP_FALSE;
	lastInd = -1;
	for (i = 0; i < count; ++i)
	{
		if (ind + 1 > strsCount) return QSP_FALSE;
		temp = qspReCodeGetIntVal(strs[ind++]);
		if (temp <= lastInd || temp >= QSP_VARSCOUNT) return QSP_FALSE;
		lastInd = temp;
		if (++ind > strsCount) return QSP_FALSE;
		if (ind + 1 > strsCount) return QSP_FALSE;
		temp = qspReCodeGetIntVal(strs[ind++]);
		if (temp < 0 || (ind += 2 * temp) > strsCount) return QSP_FALSE;
		if (ind + 1 > strsCount) return QSP_FALSE;
		temp = qspReCodeGetIntVal(strs[ind++]);
		if (temp < 0 || (ind += 2 * temp) > strsCount) return QSP_FALSE;
	}
	return QSP_TRUE;
}

void qspOpenGameStatusFromString(QSP_CHAR *str)
{
	int i, j, ind, count, varInd, varsCount, valsCount;
	QSP_CHAR **strs, *file, *locName;
	count = qspSplitStr(str, QSP_STRSDELIM, &strs);
	if (!qspCheckGameStatus(strs, count))
	{
		qspSetError(QSP_ERR_CANTLOADFILE);
		qspFreeStrs(strs, count);
		return;
	}
	++qspRefreshCount;
	++qspFullRefreshCount;
	qspMemClear(QSP_FALSE);
	qspResetTime(qspReCodeGetIntVal(strs[3]));
	qspCurSelAction = qspReCodeGetIntVal(strs[4]);
	qspCurSelObject = qspReCodeGetIntVal(strs[5]);
	if (*strs[6]) qspViewPath = qspCodeReCode(strs[6], QSP_FALSE);
	if (*strs[7]) qspCurInputLen = qspStrLen(qspCurInput = qspCodeReCode(strs[7], QSP_FALSE));
	if (*strs[8]) qspCurDescLen = qspStrLen(qspCurDesc = qspCodeReCode(strs[8], QSP_FALSE));
	if (*strs[9]) qspCurVarsLen = qspStrLen(qspCurVars = qspCodeReCode(strs[9], QSP_FALSE));
	locName = qspCodeReCode(strs[10], QSP_FALSE);
	qspCurIsShowActs = qspReCodeGetIntVal(strs[11]) != 0;
	qspCurIsShowObjs = qspReCodeGetIntVal(strs[12]) != 0;
	qspCurIsShowVars = qspReCodeGetIntVal(strs[13]) != 0;
	qspCurIsShowInput = qspReCodeGetIntVal(strs[14]) != 0;
	qspTimerInterval = qspReCodeGetIntVal(strs[15]);
	qspPLFilesCount = qspReCodeGetIntVal(strs[16]);
	ind = 17;
	for (i = 0; i < qspPLFilesCount; ++i)
		qspPLFiles[i] = qspCodeReCode(strs[ind++], QSP_FALSE);
	qspCurIncFilesCount = qspReCodeGetIntVal(strs[ind++]);
	for (i = 0; i < qspCurIncFilesCount; ++i)
		qspCurIncFiles[i] = qspCodeReCode(strs[ind++], QSP_FALSE);
	qspCurActionsCount = qspReCodeGetIntVal(strs[ind++]);
	for (i = 0; i < qspCurActionsCount; ++i)
	{
		if (*strs[ind])
		{
			str = qspCodeReCode(strs[ind], QSP_FALSE);
            qspCurActions[i].Image = qspGetPathAsIs(str);
			free(str);
		}
		else
			qspCurActions[i].Image = 0;
		++ind;
		qspCurActions[i].Desc = qspCodeReCode(strs[ind++], QSP_FALSE);
		valsCount = qspCurActions[i].OnPressLinesCount = qspReCodeGetIntVal(strs[ind++]);
		if (valsCount)
		{
			qspCurActions[i].OnPressLines = (QSPLineOfCode *)malloc(valsCount * sizeof(QSPLineOfCode));
			for (j = 0; j < valsCount; ++j)
			{
				qspInitLineOfCode(qspCurActions[i].OnPressLines + j, qspCodeReCode(strs[ind++], QSP_FALSE), 0);
				qspCurActions[i].OnPressLines[j].LineNum = qspReCodeGetIntVal(strs[ind++]);
			}
		}
		else
			qspCurActions[i].OnPressLines = 0;
		qspCurActions[i].Location = qspReCodeGetIntVal(strs[ind++]);
		qspCurActions[i].ActIndex = qspReCodeGetIntVal(strs[ind++]);
		qspCurActions[i].StartLine = qspReCodeGetIntVal(strs[ind++]);
		qspCurActions[i].IsManageLines = qspReCodeGetIntVal(strs[ind++]) != 0;
	}
	qspCurObjectsCount = qspReCodeGetIntVal(strs[ind++]);
	for (i = 0; i < qspCurObjectsCount; ++i)
	{
		if (*strs[ind])
		{
			str = qspCodeReCode(strs[ind], QSP_FALSE);
            qspCurObjects[i].Image = qspGetPathAsIs(str);
			free(str);
		}
		else
			qspCurObjects[i].Image = 0;
		++ind;
		qspCurObjects[i].Desc = qspCodeReCode(strs[ind++], QSP_FALSE);
	}
	varsCount = qspReCodeGetIntVal(strs[ind++]);
	for (i = 0; i < varsCount; ++i)
	{
		varInd = qspReCodeGetIntVal(strs[ind++]);
		qspVars[varInd].Name = qspCodeReCode(strs[ind++], QSP_FALSE);
		valsCount = qspReCodeGetIntVal(strs[ind++]);
		if (valsCount)
		{
			qspVars[varInd].ValsCount = valsCount;
			qspVars[varInd].Values = (QSPVarValue *)malloc(valsCount * sizeof(QSPVarValue));
			for (j = 0; j < valsCount; ++j)
			{
				qspVars[varInd].Values[j].Num = qspReCodeGetIntVal(strs[ind++]);
				qspVars[varInd].Values[j].Str = (*strs[ind] ? qspCodeReCode(strs[ind], QSP_FALSE) : 0);
				++ind;
			}
		}
		valsCount = qspReCodeGetIntVal(strs[ind++]);
		if (valsCount)
		{
			qspVars[varInd].IndsBufSize = qspVars[varInd].IndsCount = valsCount;
			qspVars[varInd].Indices = (QSPVarIndex *)malloc(valsCount * sizeof(QSPVarIndex));
			for (j = 0; j < valsCount; ++j)
			{
				qspVars[varInd].Indices[j].Index = qspReCodeGetIntVal(strs[ind++]);
				qspVars[varInd].Indices[j].Str = qspCodeReCode(strs[ind++], QSP_FALSE);
			}
		}
	}
	qspFreeStrs(strs, count);
	qspIsMainDescChanged = qspIsVarsDescChanged = qspIsObjectsChanged = qspIsActionsChanged = QSP_TRUE;
	qspOpenIncludes();
	qspCurLoc = qspLocIndex(locName);
	free(locName);
	if (qspErrorNum) return;
	qspCallShowWindow(QSP_WIN_ACTS, qspCurIsShowActs);
	qspCallShowWindow(QSP_WIN_OBJS, qspCurIsShowObjs);
	qspCallShowWindow(QSP_WIN_VARS, qspCurIsShowVars);
	qspCallShowWindow(QSP_WIN_INPUT, qspCurIsShowInput);
	qspCallSetInputStrText(qspCurInput);
	if (qspViewPath)
	{
        file = qspGetPathAsIs(qspViewPath);
		qspCallShowPicture(file);
		free(file);
	}
	else
		qspCallShowPicture(0);
	qspCallCloseFile(0);
	qspPlayPLFiles();
	qspCallSetTimer(qspTimerInterval);
	qspExecLocByVarNameWithArgs(QSP_FMT("ONGLOAD"), 0, 0);
}

void qspOpenGameStatus(QSP_CHAR *fileName)
{
	FILE *f;
	int fileLen;
	QSP_CHAR *buf;
	if (!(f = QSP_FOPEN(fileName, QSP_FMT("rb"))))
	{
		qspSetError(QSP_ERR_FILENOTFOUND);
		return;
	}
	fseek(f, 0, SEEK_END);
	fileLen = ftell(f) / sizeof(QSP_CHAR);
	buf = (QSP_CHAR *)malloc((fileLen + 1) * sizeof(QSP_CHAR));
	fseek(f, 0, SEEK_SET);
	fread(buf, sizeof(QSP_CHAR), fileLen, f);
	fclose(f);
	buf[fileLen] = 0;
	qspOpenGameStatusFromString(buf);
	free(buf);
}

QSP_BOOL qspStatementOpenQst(QSPVariant *args, int count, QSP_CHAR **jumpTo, int extArg)
{
	QSP_CHAR *file;
	switch (extArg)
	{
	case 0:
		if (qspIsAnyString(QSP_STR(args[0])))
		{
			file = qspGetAbsFromRelPath(QSP_STR(args[0]));
			qspOpenQuest(file, QSP_FALSE);
			free(file);
			if (qspErrorNum) return QSP_FALSE;
			qspNewGame(QSP_FALSE);
		}
		break;
	case 1:
		qspIncludeFile(QSP_STR(args[0]));
		break;
	}
	return QSP_FALSE;
}

QSP_BOOL qspStatementOpenGame(QSPVariant *args, int count, QSP_CHAR **jumpTo, int extArg)
{
	QSP_CHAR *file;
	if (count && qspIsAnyString(QSP_STR(args[0])))
	{
		file = qspGetAbsFromRelPath(QSP_STR(args[0]));
		qspCallOpenGame(file);
		free(file);
	}
	else
		qspCallOpenGame(0);
	return QSP_FALSE;
}

QSP_BOOL qspStatementSaveGame(QSPVariant *args, int count, QSP_CHAR **jumpTo, int extArg)
{
	QSP_CHAR *file;
	if (count && qspIsAnyString(QSP_STR(args[0])))
	{
		file = qspGetAbsFromRelPath(QSP_STR(args[0]));
		qspCallSaveGame(file);
		free(file);
	}
	else
		qspCallSaveGame(0);
	return QSP_FALSE;
}