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/* 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.
*
* $URL$
* $Id$
*
*/
#ifndef SCI_ENGINE_WORKAROUNDS_H
#define SCI_ENGINE_WORKAROUNDS_H
#include "sci/engine/vm_types.h"
#include "sci/sci.h"
namespace Sci {
enum SciWorkaroundType {
WORKAROUND_NONE, // only used by terminator or when no workaround was found
WORKAROUND_IGNORE, // ignore kernel call
WORKAROUND_STILLCALL, // still do kernel call
WORKAROUND_FAKE // fake kernel call / replace temp value / fake opcode
};
struct SciTrackOriginReply {
int scriptNr;
Common::String objectName;
Common::String methodName;
int localCallOffset;
};
struct SciWorkaroundSolution {
SciWorkaroundType type;
uint16 value;
};
/**
* A structure describing a 'workaround' for a SCI script bug.
*
* Arrays of SciWorkaroundEntry instances are terminated by
* a fake entry in which "objectName" is NULL.
*/
struct SciWorkaroundEntry {
SciGameId gameId;
int roomNr;
int scriptNr;
int16 inheritanceLevel;
const char *objectName;
const char *methodName;
int localCallOffset;
int index;
SciWorkaroundSolution newValue;
};
extern const SciWorkaroundEntry opcodeDivWorkarounds[];
extern const SciWorkaroundEntry opcodeOrWorkarounds[];
extern const SciWorkaroundEntry opcodeDptoaWorkarounds[];
extern const SciWorkaroundEntry uninitializedReadWorkarounds[];
extern const SciWorkaroundEntry kAbs_workarounds[];
extern const SciWorkaroundEntry kDisplay_workarounds[];
extern const SciWorkaroundEntry kDisposeScript_workarounds[];
extern const SciWorkaroundEntry kDoSoundFade_workarounds[];
extern const SciWorkaroundEntry kGraphDrawLine_workarounds[];
extern const SciWorkaroundEntry kGraphSaveBox_workarounds[];
extern const SciWorkaroundEntry kGraphRestoreBox_workarounds[];
extern const SciWorkaroundEntry kGraphFillBoxForeground_workarounds[];
extern const SciWorkaroundEntry kGraphFillBoxAny_workarounds[];
extern const SciWorkaroundEntry kGraphRedrawBox_workarounds[];
extern const SciWorkaroundEntry kIsObject_workarounds[];
extern const SciWorkaroundEntry kMemory_workarounds[];
extern const SciWorkaroundEntry kPaletteUnsetFlag_workarounds[];
extern const SciWorkaroundEntry kSetPort_workarounds[];
extern const SciWorkaroundEntry kUnLoad_workarounds[];
extern const SciWorkaroundEntry kStrCpy_workarounds[];
extern SciWorkaroundSolution trackOriginAndFindWorkaround(int index, const SciWorkaroundEntry *workaroundList, SciTrackOriginReply *trackOrigin);
} // End of namespace Sci
#endif // SCI_ENGINE_WORKAROUNDS_H
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