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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.
*
*/
#ifndef GLK_ALAN3_INSTANCE
#define GLK_ALAN3_INSTANCE
#include "common/serializer.h"
#include "glk/alan3/acode.h"
#include "glk/jumps.h"
#include "glk/alan3/types.h"
#include "glk/alan3/set.h"
namespace Glk {
namespace Alan3 {
/* Types: */
struct AdminEntry { /* Administrative data about instances */
Aint location;
AttributeEntry *attributes;
Abool alreadyDescribed;
Aint visitsCount;
Aint script;
Aint step;
Aint waitCount;
/**
* Save/Restore data
*/
void synchronize(Common::Serializer &s);
};
/* Data: */
extern InstanceEntry *instances; /* Instance table pointer */
extern AdminEntry *admin; /* Administrative data about instances */
extern AttributeEntry *attributes; /* Dynamic attribute values */
/* Functions: */
extern bool isA(int instance, int ancestor);
extern bool isAObject(int instance);
extern bool isAContainer(int instance);
extern bool isAActor(int instance);
extern bool isALocation(int instance);
extern bool isLiteral(int instance);
extern bool isANumeric(int instance);
extern bool isAString(int instance);
extern Aptr getInstanceAttribute(int instance, int attribute);
extern char *getInstanceStringAttribute(int instane, int attribute);
extern Set *getInstanceSetAttribute(int instance, int attribute);
extern void setInstanceAttribute(int instance, int atr, Aptr value);
extern void setInstanceStringAttribute(int instance, int attribute, char *string);
extern void setInstanceSetAttribute(int instance, int atr, Aptr set);
extern void say(CONTEXT, int instance);
extern void sayForm(CONTEXT, int instance, SayForm form);
extern void sayInstance(CONTEXT, int instance);
extern bool hasDescription(int instance);
extern bool isDescribable(int instance);
extern void describeAnything(CONTEXT, int instance);
extern void describeInstances(CONTEXT);
extern bool describe(CONTEXT, int instance);
extern int where(int instance, ATrans trans);
extern int positionOf(int instance);
extern int locationOf(int instance);
extern bool isAt(int instance, int other, ATrans trans);
extern bool isIn(int instance, int theContainer, ATrans trans);
extern bool isHere(int instance, ATrans trans);
extern bool isNearby(int instance, ATrans trans);
extern bool isNear(int instance, int other, ATrans trans);
extern bool isOpaque(int container);
extern void locate(CONTEXT, int instance, int whr);
} // End of namespace Alan3
} // End of namespace Glk
#endif
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