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https://github.com/libretro/scummvm.git
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75 lines
2.5 KiB
C++
75 lines
2.5 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#include "common/debug.h"
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#include "common/endian.h"
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#include "cine/msg.h"
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#include "cine/various.h"
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namespace Cine {
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void loadMsg(char *pMsgName) {
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uint32 sourceSize;
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checkDataDisk(-1);
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g_cine->_messageTable.clear();
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byte *dataPtr = readBundleFile(findFileInBundle(pMsgName), &sourceSize);
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setMouseCursor(MOUSE_CURSOR_DISK);
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uint count = READ_BE_UINT16(dataPtr);
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uint messageLenPos = 2;
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uint messageDataPos = messageLenPos + 2 * count;
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// Read in the messages
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for (uint i = 0; i < count; i++) {
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// Read message's length
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uint messageLen = READ_BE_UINT16(dataPtr + messageLenPos);
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messageLenPos += 2;
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// Store the read message.
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// This code works around input data that has empty strings residing outside the input
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// buffer (e.g. message indexes 58-254 in BATEAU.MSG in PROCS08 in Operation Stealth).
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if (messageDataPos < sourceSize) {
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g_cine->_messageTable.push_back((const char *)(dataPtr + messageDataPos));
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} else {
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if (messageLen > 0) { // Only warn about overflowing non-empty strings
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warning("loadMsg(%s): message (%d. / %d) is overflowing the input buffer. Replacing it with an empty string", pMsgName, i + 1, count);
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} else {
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debugC(5, kCineDebugPart, "loadMsg(%s): empty message (%d. / %d) resides outside input buffer", pMsgName, i + 1, count);
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}
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// Message resides outside the input buffer so we replace it with an empty string
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g_cine->_messageTable.push_back("");
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}
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// Jump to the next message
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messageDataPos += messageLen;
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}
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free(dataPtr);
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}
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} // End of namespace Cine
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