scummvm/engines/sludge/function.h

74 lines
2.1 KiB
C++

/* 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.
*
*/
#ifndef SLUDGE_FUNCTION_H
#define SLUDGE_FUNCTION_H
#include "sludge/allfiles.h"
#include "sludge/csludge.h"
#include "sludge/variable.h"
namespace Sludge {
struct Variable;
struct VariableStack;
struct LineOfCode {
SludgeCommand theCommand;
int32 param;
};
struct LoadedFunction {
int originalNumber;
LineOfCode *compiledLines;
int numLocals, timeLeft, numArgs;
Variable *localVars;
VariableStack *stack;
Variable reg;
uint runThisLine;
LoadedFunction *calledBy;
LoadedFunction *next;
bool returnSomething, isSpeech, unfreezable, cancelMe;
byte freezerLevel;
};
bool runAllFunctions();
int startNewFunctionNum(uint, uint, LoadedFunction *, VariableStack*&, bool = true);
void restartFunction(LoadedFunction *fun);
bool loadFunctionCode(LoadedFunction *newFunc);
void killAllFunctions();
void finishFunction(LoadedFunction *fun);
void abortFunction(LoadedFunction *fun);
void freezeSubs();
void unfreezeSubs();
void completeTimers();
void killSpeechTimers();
int cancelAFunction(int funcNum, LoadedFunction *myself, bool &killedMyself);
LoadedFunction *loadFunction(Common::SeekableReadStream *stream);
void saveFunction(LoadedFunction *fun, Common::WriteStream *stream);
} // End of namespace Sludge
#endif