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-rw-r--r--kyra/script.h106
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diff --git a/kyra/script.h b/kyra/script.h
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--- a/kyra/script.h
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-/* ScummVM - Scumm Interpreter
- * Copyright (C) 2004-2006 The ScummVM project
- *
- * 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 KYRASCRIPT_H
-#define KYRASCRIPT_H
-
-#include "kyra/kyra.h"
-
-namespace Kyra {
-struct ScriptData {
- byte *text;
- byte *data;
- byte *ordr;
- uint16 dataSize;
- KyraEngine::OpcodeProc *opcodes;
- int opcodeSize;
- uint16 mustBeFreed;
-};
-
-struct ScriptState {
- byte *ip;
- ScriptData *dataPtr;
- int16 retValue;
- uint16 bp;
- uint16 sp;
- int16 variables[30];
- int16 stack[61];
-};
-
-enum {
- SCRIPT_INIT = 0
-};
-
-class ScriptHelper {
-public:
- ScriptHelper(KyraEngine *vm);
- virtual ~ScriptHelper();
-
- bool loadScript(const char *filename, ScriptData *data, KyraEngine::OpcodeProc *opcodes, int opcodeSize, byte *specialPtr = 0);
- void unloadScript(ScriptData *data);
-
- void initScript(ScriptState *scriptState, ScriptData *data);
- bool startScript(ScriptState *script, int function);
-
- bool validScript(ScriptState *script);
-
- bool runScript(ScriptState *script);
-protected:
- uint32 getFORMBlockSize(byte *&data) const;
- uint32 getIFFBlockSize(byte *start, byte *&data, uint32 maxSize, const uint32 chunk) const;
- bool loadIFFBlock(byte *start, byte *&data, uint32 maxSize, const uint32 chunk, byte *loadTo, uint32 ptrSize) const;
-
- KyraEngine *_vm;
- int16 _parameter;
- bool _continue;
-
- typedef void (ScriptHelper::*CommandProc)(ScriptState*);
- struct CommandEntry {
- CommandProc proc;
- const char* desc;
- };
-
- const CommandEntry *_commands;
-private:
- void c1_jmpTo(ScriptState*);
- void c1_setRetValue(ScriptState*);
- void c1_pushRetOrPos(ScriptState*);
- void c1_push(ScriptState*);
- //void c1_push(); same as 03
- void c1_pushVar(ScriptState*);
- void c1_pushBPNeg(ScriptState*);
- void c1_pushBPAdd(ScriptState*);
- void c1_popRetOrPos(ScriptState*);
- void c1_popVar(ScriptState*);
- void c1_popBPNeg(ScriptState*);
- void c1_popBPAdd(ScriptState*);
- void c1_addSP(ScriptState*);
- void c1_subSP(ScriptState*);
- void c1_execOpcode(ScriptState*);
- void c1_ifNotJmp(ScriptState*);
- void c1_negate(ScriptState*);
- void c1_eval(ScriptState*);
- void c1_setRetAndJmp(ScriptState*);
-};
-} // end of namespace Kyra
-
-#endif