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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_PARAMS
#define GLK_ALAN3_PARAMS
/* Various utility functions for handling parameters */
#include "glk/alan3/types.h"
#include "glk/alan3/acode.h"
namespace Glk {
namespace Alan3 {
/* TYPES */
struct Parameter { /* PARAMETER */
Aid instance; /* Instance code for the parameter (0=multiple) */
bool isLiteral;
bool isPronoun;
bool isThem;
bool useWords; /* Indicate to use words instead of instance code when saying */
int firstWord; /* Index to first word used by player */
int lastWord; /* d:o to last */
struct Parameter *candidates; /* Array of instances possibly matching this parameter depending on player input */
};
typedef Parameter *ParameterArray;
/* DATA */
extern Parameter *globalParameters;
/* FUNCTIONS */
/* Single Parameter: */
extern Parameter *newParameter(int instanceId);
extern void clearParameter(Parameter *parameter);
extern void copyParameter(Parameter *theCopy, Parameter *theOriginal);
/* ParameterArray: */
extern ParameterArray newParameterArray(void);
extern ParameterArray ensureParameterArrayAllocated(ParameterArray currentArray);
extern void freeParameterArray(Parameter *array);
extern bool parameterArrayIsEmpty(ParameterArray parameters);
extern void addParameterToParameterArray(ParameterArray theArray, Parameter *theParameter);
extern void addParameterForInstance(ParameterArray parameters, int instance);
extern void addParameterForInteger(ParameterArray parameters, int value);
extern void addParameterForString(ParameterArray parameters, char *value);
extern Parameter *findEndOfParameterArray(ParameterArray parameters);
extern void compressParameterArray(ParameterArray a);
extern int lengthOfParameterArray(ParameterArray a);
extern bool equalParameterArrays(ParameterArray parameters1, ParameterArray parameters2);
extern bool inParameterArray(ParameterArray l, Aword e);
extern void copyParameterArray(ParameterArray to, ParameterArray from);
extern void clearParameterArray(ParameterArray list);
extern void subtractParameterArrays(ParameterArray a, ParameterArray b);
extern void mergeParameterArrays(ParameterArray a, ParameterArray b);
extern void intersectParameterArrays(ParameterArray a, ParameterArray b);
extern void copyReferencesToParameterArray(Aint *references, ParameterArray parameters);
extern void printParameterArray(ParameterArray parameters);
extern int findMultiplePosition(ParameterArray parameters);
/* Global Parameters: */
extern void setGlobalParameters(ParameterArray parameters);
extern ParameterArray getGlobalParameters(void);
extern ParameterArray getGlobalParameter(int parameterIndex);
} // End of namespace Alan3
} // End of namespace Glk
#endif
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