#include "mazes.h" #include <string.h>#include <stdio.h>#include "util.h"#include "datatypes.h"#include "parse.h"#include "gui.h"#include "audio.h" /*Copyright (c) 2013-2021 Devine Lu Linvega2018 web port by rezmason2021 C89 port by rezmason Permission to use, copy, modify, and distribute this software for anypurpose with or without fee is hereby granted, provided that the abovecopyright notice and this permission notice appear in all copies. THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIESWITH REGARD TO THIS SOFTWARE.*/ static int goals[2]; static voidparseMazeGoal(char *line, int lineNumber){	MazeAxis axis;	int value, numFound;	char axisName[5];	strcpy(axisName, ""); 	/*		example: goal(X, 123);	*/ 	numFound = sscanf(line, "goal(%[^,], %d);", axisName, &value);	if(numFound < 2) {		printf("Maze data error: only %d terms matched on line %d: %s\n", numFound, lineNumber, line);	}	parseMazeAxis(&axis, axisName);	goals[axis] = value;} static intcanExit(MazeSubject *subject, GameState *state){	int i; 	if(!subject->isExit) {		return 0;	} 	for(i = 0; i < NumberOfMazeAxes; i++) {		if(goals[subject->axis] != state->mazeCoord[subject->axis]) {			return 0;		}	}	return 1;} intMazes_Init(char *data){	const char *lineDelim = "\n";	char *lineSave = NULL;	int lineNumber = 1;	char *line; 	line = getNextToken(data, lineDelim, &lineSave);	while(line != NULL) {		parseMazeGoal(line, lineNumber);		line = getNextToken(NULL, lineDelim, &lineSave);		lineNumber++;	} 	return 1;} voidMazes_Quit(){} voidMazes_Reset(GameState *state){	state->mazeCoord[MAZEAXIS_X] = 0;	state->mazeCoord[MAZEAXIS_Y] = 0;} voidMazes_Setup(MazeSubject *subject, GameState *state){	if(canExit(subject, state)) {		GUI_ShowNode(state->nodeName, state->orientation, MODIFIER_ENTENTE_EXIT, 0, 0);	}} NodeSubject *Mazes_Action(MazeSubject *subject, GameState *state){	int diff;	MazeAxis axis = subject->axis;	Audio_PlayFootstep(); 	if(canExit(subject, state)) {		Mazes_Reset(state);		return &subject->altNode;	} 	diff = goals[axis] - state->mazeCoord[axis];	if(diff == 0) {		return &subject->altNode;	} 	state->mazeCoord[axis] += subject->changeAmount; 	return &subject->node;} MazeInstructionMazes_GetInstruction(MazeAxis axis, GameState *state){	int diff = goals[axis] - state->mazeCoord[axis];	if(diff < 0) {		return MAZEINSTRUCTION_LEFT;	} else if(diff > 0) {		return MAZEINSTRUCTION_RIGHT;	}	return MAZEINSTRUCTION_STRAIGHT;}