initial commit

Makefile

+all: WorldOfIUT
+
+exits.o: exits.h
+cmd.o: cmd.h game.h exits.h mobile.h location.h
+mobile.o: mobile.h exits.h
+location.o: location.h exits.h
+game.o: game.h location.h mobile.h exits.h
+WorldOfIUT.o: cmd.h exits.h mobile.h game.h location.h
+WorldOfIUT: WorldOfIUT.o cmd.o mobile.o location.o game.o exits.o
+clean:
+	/bin/rm *.o WorldOfIUT

WorldOfIUT.c

+#include <stdio.h> /* for printf in Intro() */
+#include "game.h" /* for Game structure and GameInit() */
+#include "cmd.h" /* for processCommand() */
+
+void Intro()
+{
+    printf("Welcome to WorlOfIUT!\n" 
+           "Be prepared because you are about to live extraordinary, frightful, yet exciting\n"
+           "adventures...\n" 
+           "If you're new to the game, you can start by typing 'help'\n" 
+           "Farewell, and may the spirit of the Vosges be with you!\n");
+}
+
+
+int main(int argc, char *argv[])
+{
+    Intro();
+    Game *g=GameInit();
+    while(1) processCommand(g);
+    return 0;
+}

exits.c

+#include "exits.h"
+#include <strings.h> /* strcasecmp */
+#include <stddef.h> /* NULL */
+
+static char *dir_str[]={"north","east","south","west","up","down"};
+
+Direction strtodir(char *name)
+{
+    for (int i=NORTH; i<=DOWN; i++)
+        if (!strcasecmp(name,dir_str[i])) return i;
+    return WRONGDIR;
+}
+
+char *dirtostr(Direction d)
+{
+    if (d >= NORTH && d <= DOWN) return dir_str[d];
+    return (char *)NULL;
+}
\ No newline at end of file

exits.h

+#ifndef EXITS_H
+#define EXITS_H
+/* 
+    directions encoded as int. Used as indices in the array of exits for each location 
+    NORTH==0
+    EAST==1
+    SOUTH==2
+    WEST==3
+    UP==4
+    DOWN==5
+    anything other than a correct direction can be encoded as WRONGDIR==-1
+    The number of directions can be computed as DOWN-NORTH+1
+    A look over all directions can be written as
+    for (int i=NORTH; i<=DOWN; i++)
+*/
+
+typedef enum {WRONGDIR=-1,NORTH=0,EAST,SOUTH,WEST,UP,DOWN} Direction;
+/* translate a string into a DIRECTION. Letter case does not matter */
+extern Direction strtodir(char *name);
+
+/* return the direction as a string. Return NULL if the direction is invalid */
+extern char *dirtostr(Direction d);
+
+#endif // EXITS_H
\ No newline at end of file

game.c

+#include "game.h"
+#include "mobile.h"
+#include "location.h"
+#include <stdlib.h> /* malloc, free, NULL */
+
+/* Initialize everything that makes up the game: player and locations */
+Game *GameInit()
+{
+    Game *ret=malloc(sizeof(Game));
+    if(ret)
+    {
+        ret->player = MobileNew("You", "A very dynamic and adventurous young person!");
+        
+        MobileMove(ret->player, LocationInit(ret));
+    }
+    return ret;
+}
+
+/* correctly deallocate everythig that was dynamically allocated in GameInit */
+Game *GameShutdown(Game *g)
+{
+    if (g)
+    {
+        g->player=MobileDelete(g->player);
+        free(g);
+    }
+    return (Game*)NULL;
+}
\ No newline at end of file

game.h

+#ifndef GAME_H
+#define GAME_H
+
+#include "mobile.h"
+
+typedef struct
+{
+    Mobile *player;
+} Game;
+
+extern Game *GameInit();
+extern Game *GameShutdown(Game *g);
+#endif // GAME_H

mobile.c

+#include "mobile.h"
+#include "location.h"
+#include <string.h> /* strdup */
+#include <stdio.h> /* printf */
+#include <stdlib.h> /* malloc, free */
+
+Mobile *MobileNew(char *name, char *desc)
+{
+    Mobile *ret=(Mobile*)NULL;
+    if (name && desc)/** && where)**/
+    {
+        ret=malloc(sizeof(Mobile));
+        ret->name=strdup(name);
+        ret->desc=strdup(desc);
+    }
+    return ret;
+}
+
+Mobile *MobileDelete(Mobile *m)
+{
+    if (m)
+    {
+        if (m->name) free(m->name);
+        if (m->desc) free(m->desc);
+        free(m);
+    }
+    return (Mobile *)NULL;
+}
+
+void MobilePrint(Mobile *m)
+{
+    if (m) printf("%s\n%s\n",m->name,m->desc);
+}
+
+Mobile MobileMove(Mobile *m, Location *CurrentLoc) 
+{
+    if (m && CurrentLoc) m->loc = CurrentLoc;
+}
\ No newline at end of file

mobile.h

+#ifndef MOBILE_H
+#define MOBILE_H
+
+typedef struct 
+{
+    char *name;
+    char *desc;
+    Location *loc;
+} Mobile;
+
+extern Mobile *MobileNew(char *name, char *desc);
+extern Mobile *MobileDelete(Mobile *m);
+extern Mobile *MobileMove(Mobile *m, Location *CurrentLoc);
+extern void MobilePrint(Mobile *m);
+
+#endif // MOBILE_H
\ No newline at end of file