scummvm/engines/tony/mpal/loadmpc.cpp

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 *
 */
/**************************************************************************
 *                                     <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> *
 *                        ...                  Spyral Software snc        *
 *        .             x#""*$Nu       -= We create much MORE than ALL =- *
 *      d*#R$.          R     ^#$o     <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> *
 *    .F    ^$k         $        "$b                                      *
 *   ."       $b      u "$         #$L                                    *
 *   P         $c    :*$L"$L        '$k  Project: MPAL................... *
 *  d    @$N.   $.   d ^$b^$k         $c                                  *
 *  F   4  "$c  '$   $   #$u#$u       '$ Module:  MPC Loader............. *
 * 4    4k   *N  #b .>    '$N'*$u      *                                  *
 * M     $L   #$  $ 8       "$c'#$b.. .@ Author:  Giovanni Bajo.......... *
 * M     '$u   "$u :"         *$. "#*#"                                   *
 * M      '$N.  "  F           ^$k       Desc:    Legge un file compilato *
 * 4>       ^R$oue#             d                 di MPAL................ *
 * '$          ""              @                  ....................... *
 *  #b                       u#                                           *
 *   $b                    .@"           OS: [ ] DOS  [X] WIN95  [ ] OS/2 *
 *    #$u                .d"                                              *
 *     '*$e.          .zR".@           <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> *
 *        "*$$beooee$*"  @"M                  This source code is         *
 *             """      '$.?              Copyright (C) Spyral Software   *
 *                       '$d>                 ALL RIGHTS RESERVED         *
 *                        '$>          <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> *
 *                                                                        *
 **************************************************************************/

/*
#include "lzo1x.h"
*/
#include "mpal.h"
#include "mpaldll.h"
#include "memory.h"
#include "tony/tony.h"

namespace Tony {

namespace MPAL {


/****************************************************************************\
*       Funzioni statiche
\****************************************************************************/

static bool CompareCommands(struct command *cmd1, struct command *cmd2) {
	if (cmd1->type == 2 && cmd2->type == 2) {
		if (strcmp(cmd1->lpszVarName, cmd2->lpszVarName) == 0 &&
			CompareExpressions(cmd1->expr, cmd2->expr))
			return true;
		else
			return false;
	} else
		return (memcmp(cmd1, cmd2, sizeof(struct command)) == 0);
}


/****************************************************************************\
*
* Function:     LPBTYE ParseScript(byte *lpBuf, LPMPALSCRIPT lpmsScript);
*
* Description:  Esegue il parsing da file .MPC di uno script e inserisce il
*               tutto dentro una struttura
*
* Input:        byte *lpBuf            Buffer contenente lo script compilato
*               LPMPALSCRIPT lpmsScript Puntatore a una struttura che verra'
*                                       riempita con i dati dello script
*                                       lato
*
* Return:       Puntatore al buffer dopo l'item, o NULL in caso di errore
*
\****************************************************************************/

static const byte *ParseScript(const byte *lpBuf, LPMPALSCRIPT lpmsScript) {
	int curCmd,j,len;
	uint i;

	lpmsScript->nObj=*(int *)lpBuf;
	lpBuf+=4;

	lpmsScript->nMoments=*(uint16 *)lpBuf;
	lpBuf+=2;

	curCmd=0;

	for (i=0;i<lpmsScript->nMoments;i++) {
		lpmsScript->Moment[i].dwTime=*(int *)lpBuf; lpBuf+=4;
		lpmsScript->Moment[i].nCmds=*lpBuf;       lpBuf++;

		for (j=0;j<lpmsScript->Moment[i].nCmds;j++) {
			lpmsScript->Command[curCmd].type=*lpBuf; lpBuf++;
			switch (lpmsScript->Command[curCmd].type) {
			case 1:
				lpmsScript->Command[curCmd].nCf =*(uint16 *)(lpBuf); lpBuf+=2;
				lpmsScript->Command[curCmd].arg1=*(int *)(lpBuf); lpBuf+=4;
				lpmsScript->Command[curCmd].arg2=*(int *)(lpBuf); lpBuf+=4;
				lpmsScript->Command[curCmd].arg3=*(int *)(lpBuf); lpBuf+=4;
				lpmsScript->Command[curCmd].arg4=*(int *)(lpBuf); lpBuf+=4;
				break;

			case 2:          // Variable assign
				len=*lpBuf; lpBuf++;
				lpmsScript->Command[curCmd].lpszVarName=(char *)GlobalAlloc(GMEM_FIXED|GMEM_ZEROINIT,len+1);
				if (lpmsScript->Command[curCmd].lpszVarName==NULL)
					return NULL;
				CopyMemory(lpmsScript->Command[curCmd].lpszVarName, lpBuf, len);
				lpBuf+=len;

				lpBuf = ParseExpression(lpBuf, &lpmsScript->Command[curCmd].expr);
				if (lpBuf==NULL)
				return NULL;
				break;

			default:
				return NULL;
			}

			lpmsScript->Moment[i].CmdNum[j]=curCmd;
			curCmd++;
		}
	}

	return lpBuf;
}


/****************************************************************************\
*
* Function:     byte *ParseDialog(byte *lpBuf, LPMPALDIALOG lpmdDialog);
*
* Description:  Esegue il parsing da file .MPC di un dialog, e inserisce il
*               tutto dentro una struttura
*
* Input:        byte *lpBuf            Buffer contenente il dialogo compi-
*                                       lato
*               LPMPALDIALOG lpmdDialog Puntatore a una struttura che verra'
*                                       riempita con i dati del dialogo
*                                       compilato
*
* Return:       Puntatore al buffer dopo il dialogo, o NULL in caso di errore
*
\****************************************************************************/

static const byte *ParseDialog(const byte *lpBuf, LPMPALDIALOG lpmdDialog) {
	uint32 i,j,z,kk;
	uint32 num,num2,num3;
	byte *lpLock;
	uint32 curCmd;
	uint32 len;

	lpmdDialog->nObj = READ_LE_UINT32(lpBuf); lpBuf += 4;

	/* Periodi */
	num = READ_LE_UINT16(lpBuf); lpBuf += 2;
	
	if (num >= MAX_PERIODS_PER_DIALOG - 1) {
		Common::String msg = Common::String::format("Too much periods in dialog #%d", lpmdDialog->nObj);
		MessageBox(msg);
	}

	for (i = 0; i < num; i++) {
		lpmdDialog->PeriodNums[i] = READ_LE_UINT16(lpBuf); lpBuf += 2;
		lpmdDialog->Periods[i] = GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT, *lpBuf + 1);
		lpLock = (byte *)GlobalLock(lpmdDialog->Periods[i]);
		Common::copy(lpBuf + 1, lpBuf + 1 + *lpBuf, lpLock);
		GlobalUnlock(lpmdDialog->Periods[i]);
		lpBuf += (*lpBuf) + 1;
	}

	lpmdDialog->PeriodNums[i] = 0;
	lpmdDialog->Periods[i] = NULL;

	/* Gruppi */
	num = READ_LE_UINT16(lpBuf); lpBuf += 2;
	curCmd = 0;

	if (num >= MAX_GROUPS_PER_DIALOG) {
		Common::String msg = Common::String::format("Too much groups in dialog #%d", lpmdDialog->nObj);
		MessageBox(msg);
	}

	for (i = 0; i < num; i++) {
		lpmdDialog->Group[i].num = READ_LE_UINT16(lpBuf); lpBuf += 2;
		lpmdDialog->Group[i].nCmds = *lpBuf; lpBuf++;

		if (lpmdDialog->Group[i].nCmds >= MAX_COMMANDS_PER_GROUP) {
			Common::String msg = Common::String::format("Too much commands in group #%d in dialog #%d",lpmdDialog->Group[i].num,lpmdDialog->nObj);
			MessageBox(msg);
		}

		for (j = 0; j < lpmdDialog->Group[i].nCmds; j++) {
			lpmdDialog->Command[curCmd].type = *lpBuf;
			lpBuf++;

			switch (lpmdDialog->Command[curCmd].type) {
			// Call custom function
			case 1:
				lpmdDialog->Command[curCmd].nCf = READ_LE_UINT16(lpBuf); lpBuf += 2;
				lpmdDialog->Command[curCmd].arg1 = READ_LE_UINT32(lpBuf); lpBuf += 4;
				lpmdDialog->Command[curCmd].arg2 = READ_LE_UINT32(lpBuf); lpBuf += 4;
				lpmdDialog->Command[curCmd].arg3 = READ_LE_UINT32(lpBuf); lpBuf += 4;
				lpmdDialog->Command[curCmd].arg4 = READ_LE_UINT32(lpBuf); lpBuf += 4;
				break;

			// Variable assign
			case 2:
				len = *lpBuf;
				lpBuf++;
				lpmdDialog->Command[curCmd].lpszVarName = (char *)GlobalAlloc(GMEM_FIXED | GMEM_ZEROINIT, len + 1);
				if (lpmdDialog->Command[curCmd].lpszVarName == NULL)
					return NULL;

				Common::copy(lpBuf, lpBuf + len, lpmdDialog->Command[curCmd].lpszVarName);
				lpBuf += len;

				lpBuf = ParseExpression(lpBuf, &lpmdDialog->Command[curCmd].expr);
				if (lpBuf == NULL)
					return NULL;
				break;

			// Do Choice
			case 3:
				lpmdDialog->Command[curCmd].nChoice = READ_LE_UINT16(lpBuf); lpBuf += 2;
				break;

			default:
				return NULL;
			}

			for (kk = 0;kk < curCmd; kk++) {
				if (CompareCommands(&lpmdDialog->Command[kk], &lpmdDialog->Command[curCmd])) {
					lpmdDialog->Group[i].CmdNum[j] = kk;
					break;
				}
			}

			if (kk == curCmd) {	
				lpmdDialog->Group[i].CmdNum[j] = curCmd;
				curCmd++;
			}
		}
	}

	if (curCmd >= MAX_COMMANDS_PER_DIALOG) {
		Common::String msg = Common::String::format("Too much commands in dialog #%d",lpmdDialog->nObj);
		MessageBox(msg);
	}

	/* Choices */
	num=*(uint16 *)lpBuf; lpBuf += 2;

	if (num >= MAX_CHOICES_PER_DIALOG) {
		Common::String msg = Common::String::format("Too much choices in dialog #%d",lpmdDialog->nObj);
		MessageBox(msg);
	}

	for (i = 0; i < num; i++) {
		lpmdDialog->Choice[i].nChoice = READ_LE_UINT16(lpBuf); lpBuf += 2;

		num2 = *lpBuf++;

		if (num2 >= MAX_SELECTS_PER_CHOICE) {
			Common::String msg = Common::String::format("Too much selects in choice #%d in dialog #%d",lpmdDialog->Choice[i].nChoice,lpmdDialog->nObj);
			MessageBox(msg);
		}

		for (j = 0; j < num2; j++) {
			// When
			switch (*lpBuf++) {
			case 0:
				lpmdDialog->Choice[i].Select[j].when = NULL;
				break;

			case 1:
				lpBuf = ParseExpression(lpBuf,&lpmdDialog->Choice[i].Select[j].when);
				if (lpBuf == NULL)
					return NULL;
				break;

			case 2:
				return NULL;
			}

			// Attrib
			lpmdDialog->Choice[i].Select[j].attr = *lpBuf++;

			// Data
			lpmdDialog->Choice[i].Select[j].dwData = READ_LE_UINT32(lpBuf); lpBuf += 4;

			// PlayGroup
			num3 = *lpBuf; *lpBuf++;

  			if (num3 >= MAX_PLAYGROUPS_PER_SELECT) {
				Common::String msg = Common::String::format("Too much playgroups in select #%d in choice #%d in dialog #%d", j, lpmdDialog->Choice[i].nChoice, lpmdDialog->nObj);
				MessageBox(msg);
			}

			for (z = 0; z < num3; z++) {
				lpmdDialog->Choice[i].Select[j].wPlayGroup[z] = READ_LE_UINT16(lpBuf); lpBuf += 2;
			}

			lpmdDialog->Choice[i].Select[j].wPlayGroup[num3] = 0;
		}

		// Segna l'ultimo select
		lpmdDialog->Choice[i].Select[num2].dwData = 0;
	}

	lpmdDialog->Choice[num].nChoice = 0;

	return lpBuf;
}

/****************************************************************************\
*
* Function:     byte *ParseItem(byte *lpBuf, LPMPALITEM lpmiItem);
*
* Description:  Esegue il parsing da file .MPC di un item, e inserisce il
*               tutto dentro una struttura
*
* Input:        byte *lpBuf            Buffer contenete l'item compilato
*               LPMPALITEM lpmiItem     Puntatore a una struttura che verra'
*                                       riempita con i dati dell'item
*                                       compilato
*
* Return:       Puntatore al buffer dopo l'item, o NULL in caso di errore
*
* Note:         E' necessario che la struttura passata come parametro sia
*               stata completamente inizializzata a 0 (con una ZeroMemory,
*               ad esempio).
*
\****************************************************************************/

static const byte *ParseItem(const byte *lpBuf, LPMPALITEM lpmiItem) {
	byte len;
	uint32 i,j,kk;
	uint32 curCmd;

	lpmiItem->nObj=*(int *)lpBuf;
	lpBuf+=4;

	len=*lpBuf;
	lpBuf++;
	CopyMemory(lpmiItem->lpszDescribe,lpBuf, MIN((byte)127, len));
	lpBuf+=len;

	if (len >= MAX_DESCRIBE_SIZE) {
		Common::String msg = Common::String::format("Describe too long in item #%d",lpmiItem->nObj);
		MessageBox(msg);
	}

	lpmiItem->nActions=*lpBuf;
	lpBuf++;

	/* Alloca le azioni */
	if (lpmiItem->nActions>0)
		lpmiItem->Action = (ItemAction *)GlobalAlloc(GMEM_FIXED|GMEM_ZEROINIT,sizeof(struct ItemAction)*(int)lpmiItem->nActions);

	curCmd=0;

	for (i=0;i<lpmiItem->nActions;i++) {
		lpmiItem->Action[i].num=*lpBuf;
		lpBuf++;

		lpmiItem->Action[i].wParm=*(uint16 *)lpBuf;
		lpBuf+=2;

		if (lpmiItem->Action[i].num==0xFF) {
			lpmiItem->Action[i].wTime=*(uint16 *)lpBuf;
			lpBuf+=2;

			lpmiItem->Action[i].perc=*lpBuf;
			lpBuf++;
		}


		if (*lpBuf==0) {
			lpBuf++;
			lpmiItem->Action[i].when=NULL;
		} else {
			lpBuf++;
			lpBuf = ParseExpression(lpBuf,&lpmiItem->Action[i].when);
			if (lpBuf == NULL)
				return NULL;
		}

		lpmiItem->Action[i].nCmds=*lpBuf;
		lpBuf++;

		if (lpmiItem->Action[i].nCmds >= MAX_COMMANDS_PER_ACTION) {
			Common::String msg = Common::String::format("Too much commands in action #%d in item #%d",lpmiItem->Action[i].num,lpmiItem->nObj);
			MessageBox(msg);
		}

		for (j=0;j<lpmiItem->Action[i].nCmds;j++) {
			lpmiItem->Command[curCmd].type=*lpBuf;
			lpBuf++;
			switch (lpmiItem->Command[curCmd].type) {
			case 1:          // Call custom function
				lpmiItem->Command[curCmd].nCf =*(uint16 *)(lpBuf); lpBuf+=2;
				lpmiItem->Command[curCmd].arg1=*(int *)(lpBuf); lpBuf+=4;
				lpmiItem->Command[curCmd].arg2=*(int *)(lpBuf); lpBuf+=4;
				lpmiItem->Command[curCmd].arg3=*(int *)(lpBuf); lpBuf+=4;
				lpmiItem->Command[curCmd].arg4=*(int *)(lpBuf); lpBuf+=4;
				break;

			case 2:          // Variable assign
				len=*lpBuf;
				lpBuf++;
				lpmiItem->Command[curCmd].lpszVarName=(char *)GlobalAlloc(GMEM_FIXED|GMEM_ZEROINIT,len+1);
				if (lpmiItem->Command[curCmd].lpszVarName==NULL)
					return NULL;
				CopyMemory(lpmiItem->Command[curCmd].lpszVarName,lpBuf,len);
				lpBuf+=len;

				lpBuf=ParseExpression(lpBuf,&lpmiItem->Command[curCmd].expr);
				if (lpBuf==NULL)
					return NULL;
				break;

			default:
				return NULL;
			}

			for (kk=0;kk<curCmd;kk++) {
				if (CompareCommands(&lpmiItem->Command[kk],&lpmiItem->Command[curCmd])) {
					lpmiItem->Action[i].CmdNum[j]=kk;
					break;
				}
			}

			if (kk==curCmd) {	
				lpmiItem->Action[i].CmdNum[j]=curCmd;
				curCmd++;

				if (curCmd >= MAX_COMMANDS_PER_ITEM) {
					Common::String msg = Common::String::format("Too much commands in item #%d",lpmiItem->nObj);
					MessageBox(msg);
					curCmd=0;
				}
			}
		}
	}

	lpmiItem->dwRes=*(uint32 *)lpBuf; lpBuf+=4;

	return lpBuf;
}


/****************************************************************************\
*
* Function:     byte *ParseLocation(byte *buf, LPMPALLOCATIONN lpmlLocation)
*
* Description:  Esegue il parsing da file .MPC di una locazione, riempendo
*               una struttura
*
* Input:        byte *buf              Buffer contenente la locazione
*                                       compilata
*               LPMPALLOCATION
*                lpmlLocation           Pointer alla struttura che verra'
*                                       riempita con i dati sulla locazione
*
* Return:       Puntatore al buffer dopo l'item, o NULL in caso di errore
*
\****************************************************************************/

static const byte *ParseLocation(const byte *lpBuf, LPMPALLOCATION lpmlLocation) {
	lpmlLocation->nObj=*(int *)lpBuf;
	lpBuf+=4;
	lpmlLocation->dwXlen=*(uint16 *)lpBuf;
	lpBuf+=2;
	lpmlLocation->dwYlen=*(uint16 *)lpBuf;
	lpBuf+=2;
	 lpmlLocation->dwPicRes=*(uint32 *)lpBuf;
	lpBuf+=4;

	return lpBuf;
}

/*static int CompareMoments(int * a, int * b) {
	if (*a<*b)
		return -1;
	else if (*a>*b)
		return 1;
	else
		return 0;
}*/

/****************************************************************************\
*       Funzioni globali
\****************************************************************************/

/****************************************************************************\
*
* Function:     bool ParseMpc(byte *lpBuf);
*
* Description:  Legge e interpreta un file MPC, e crea le strutture per le
*               varie direttive nelle variabili globali
*
* Input:        byte *lpBuf            Immagine in memoria del file MPC,
*                                       escluso l'header
*
* Return:       true se tutto OK, false in caso di errore.
*
\****************************************************************************/

bool ParseMpc(const byte *lpBuf) {
	uint16 i, j;
	uint16 wLen;
	byte *lpTemp, *lpTemp2;

	/* 1. Variabili */
	if (lpBuf[0] != 'V' || lpBuf[1] != 'A' || lpBuf[2] != 'R' || lpBuf[3] != 'S')
		return false;

	lpBuf += 4;
	nVars = READ_LE_UINT16(lpBuf);
	lpBuf += 2;

	hVars = GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT, sizeof(MPALVAR) * (uint32)nVars);
	if (hVars == NULL)
		return false;

	lpmvVars = (LPMPALVAR)GlobalLock(hVars);

	for (i = 0; i < nVars; i++) {
		wLen = *(const byte *)lpBuf;
		lpBuf++;
		CopyMemory(lpmvVars->lpszVarName, lpBuf, MIN(wLen, (uint16)32));
		lpBuf += wLen;
		lpmvVars->dwVal = READ_LE_UINT32(lpBuf);
		lpBuf += 4;

		lpBuf++;             // Salta 'ext'
		lpmvVars++;
	}

	GlobalUnlock(hVars);

	/* 2. Messaggi */
	if (lpBuf[0] != 'M' || lpBuf[1] != 'S' || lpBuf[2] != 'G' || lpBuf[3] != 'S')
		return false;

	lpBuf += 4;
	nMsgs = READ_LE_UINT16(lpBuf);
	lpBuf += 2;

#ifdef NEED_LOCK_MSGS
	hMsgs = GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT, sizeof(MPALMSG) * (uint32)nMsgs);
	if (hMsgs == NULL)
		return false;

	lpmmMsgs = (LPMPALMSG)GlobalLock(hMsgs);
#else
	lpmmMsgs=(LPMPALMSG)GlobalAlloc(GMEM_FIXED|GMEM_ZEROINIT,sizeof(MPALMSG)*(uint32)nMsgs);
	if (lpmmMsgs==NULL)
		return false;
#endif

	for (i = 0; i < nMsgs; i++) {
		lpmmMsgs->wNum = READ_LE_UINT16(lpBuf);
		lpBuf += 2;

		for (j = 0; lpBuf[j] != 0;)
			j += lpBuf[j] + 1;

		lpmmMsgs->hText = GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT, j + 1);
		lpTemp2 = lpTemp = (byte *)GlobalLock(lpmmMsgs->hText);

		for (j = 0; lpBuf[j] != 0;) {
			CopyMemory(lpTemp, &lpBuf[j + 1], lpBuf[j]);
			lpTemp += lpBuf[j];
			*lpTemp ++= '\0';
			j += lpBuf[j] + 1;
		}

		lpBuf += j + 1;
		*lpTemp = '\0';

		GlobalUnlock(lpmmMsgs->hText);
		lpmmMsgs++;
	}

#ifdef NEED_LOCK_MSGS
	GlobalUnlock(hMsgs);
#endif

	/* 3. Oggetti */
	if (lpBuf[0] != 'O' || lpBuf[1] != 'B' || lpBuf[2] != 'J' || lpBuf[3] != 'S')
		return false;

	lpBuf += 4;
	nObjs = READ_LE_UINT16(lpBuf);
	lpBuf += 2;

	// Controlla i dialoghi
	nDialogs = 0;
	hDialogs = lpmdDialogs = NULL;
	if (*((const byte *)lpBuf + 2) == 6 && strncmp((const char *)lpBuf + 3, "Dialog", 6) == 0) {
		nDialogs = READ_LE_UINT16(lpBuf); lpBuf += 2;

		hDialogs = GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT, (uint32)nDialogs * sizeof(MPALDIALOG));
		if (hDialogs == NULL)
			return false;

		lpmdDialogs = (LPMPALDIALOG)GlobalLock(hDialogs);

		for (i = 0;i < nDialogs; i++)
			if ((lpBuf = ParseDialog(lpBuf + 7, &lpmdDialogs[i])) == NULL)
				return false;

		GlobalUnlock(hDialogs);
	}

	// Controlla gli item
	nItems = 0;
	hItems = lpmiItems = NULL;
	if (*(lpBuf + 2) == 4 && strncmp((const char *)lpBuf + 3, "Item", 4)==0) {
		nItems = READ_LE_UINT16(lpBuf); lpBuf += 2;

		// Alloca la memoria e li legge
		hItems=GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT, (uint32)nItems * sizeof(MPALITEM));
		if (hItems == NULL)
			return false;

		lpmiItems=(LPMPALITEM)GlobalLock(hItems);

		for (i = 0; i < nItems; i++)
			if ((lpBuf = ParseItem(lpBuf + 5, &lpmiItems[i])) == NULL)
				return false;

		GlobalUnlock(hItems);
	}

	// Controlla le locazioni
	nLocations = 0;
	hLocations = lpmlLocations = NULL;
	if (*(lpBuf + 2) == 8 && strncmp((const char *)lpBuf + 3, "Location", 8)==0) {
		nLocations = READ_LE_UINT16(lpBuf); lpBuf += 2;

		// Alloca la memoria e li legge
		hLocations=GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT, (uint32)nLocations*sizeof(MPALLOCATION));
		if (hLocations == NULL)
			return false;

		lpmlLocations = (LPMPALLOCATION)GlobalLock(hLocations);

		for (i = 0; i < nLocations; i++)
			if ((lpBuf = ParseLocation(lpBuf + 9, &lpmlLocations[i])) == NULL)
				return false;

		GlobalUnlock(hLocations);
	}

	// Controlla gli script
	nScripts = 0;
	hScripts = lpmsScripts = NULL;
	if (*(lpBuf + 2) == 6 && strncmp((const char *)lpBuf + 3, "Script", 6) == 0) {
		nScripts = READ_LE_UINT16(lpBuf); lpBuf += 2;

		// Alloca la memoria
		hScripts = GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT, (uint32)nScripts * sizeof(MPALSCRIPT));
		if (hScripts == NULL)
			return false;

		lpmsScripts = (LPMPALSCRIPT)GlobalLock(hScripts);

		for (i = 0; i < nScripts; i++) {
			if ((lpBuf = ParseScript(lpBuf + 7, &lpmsScripts[i])) == NULL)
			return false;

			// Ordina i vari moments dello script
			//qsort(
			//lpmsScripts[i].Moment,
			//lpmsScripts[i].nMoments,
			//sizeof(lpmsScripts[i].Moment[0]),
			//(int (*)(const void *, const void *))CompareMoments
			//);

		}

		GlobalUnlock(hScripts);
	}

	if (lpBuf[0] != 'E' || lpBuf[1] != 'N' || lpBuf[2] != 'D' || lpBuf[3] != '0')
		return false;

	return true;
}


} // end of namespace MPAL

} // end of namespace Tony