Redo how void gets init'd.

setup now just creates an empty file. When main starts and loads it in,
it stats and if zero size init's a new location and saves it back out.
Now games.tgz can be shared among MACHINE_ARCH's

2 files changed, 18 insertions, 16 deletions

diff --git a/phantasia/main.c b/phantasia/main.c
index b18b3240..9096e9f8 100644
--- a/phantasia/main.c
+++ b/phantasia/main.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: main.c,v 1.14 2004/04/11 13:35:06 he Exp $	*/
+/*	$NetBSD: main.c,v 1.15 2004/12/09 05:15:59 jmc Exp $	*/
 
 /*
  * Phantasia 3.3.2 -- Interterminal fantasy game
@@ -27,6 +27,7 @@
  * AT&T is in no way connected with this game.
  */
 
+#include <sys/stat.h>
 #include <sys/types.h>
 #include <pwd.h>
 
@@ -271,6 +272,8 @@ main(argc, argv)
 void
 initialstate()
 {
+	struct stat sb;
+
 	Beyond = FALSE;
 	Marsh = FALSE;
 	Throne = FALSE;
@@ -302,6 +305,16 @@ initialstate()
 
 	if ((Energyvoidfp = fopen(_PATH_VOID, "r+")) == NULL)
 		error(_PATH_VOID);
+	if (fstat(fileno(Energyvoidfp), &sb) == -1)
+		error("stat");
+	if (sb.st_size == 0) {
+		/* initialize grail to new location */
+		Enrgyvoid.ev_active = TRUE;
+		Enrgyvoid.ev_x = ROLL(-1.0e6, 2.0e6);
+		Enrgyvoid.ev_y = ROLL(-1.0e6, 2.0e6);
+		writevoid(&Enrgyvoid, 0L);
+	}
+
 	/* NOTREACHED */
 
 	srandom((unsigned) time(NULL));	/* prime random numbers */
diff --git a/phantasia/setup.c b/phantasia/setup.c
index 8e7a3ed7..ea0aafa4 100644
--- a/phantasia/setup.c
+++ b/phantasia/setup.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: setup.c,v 1.13 2004/04/07 17:46:47 ross Exp $	*/
+/*	$NetBSD: setup.c,v 1.14 2004/12/09 05:15:59 jmc Exp $	*/
 
 /*
  * setup.c - set up all files for Phantasia
@@ -109,21 +109,10 @@ main(argc, argv)
 	++filename;			/* process next file */
 	}
 
-    /* put holy grail info into energy void file */
-    Enrgyvoid.ev_active = 1;
-    Enrgyvoid.ev_x = ROLL(-1.0e6, 2.0e6);
-    Enrgyvoid.ev_y = ROLL(-1.0e6, 2.0e6);
-    path = strrchr(_PATH_VOID, '/') + 1;
+    /* Initialize an empty file placeholder for the grail location. */
     if ((fp = fopen(path, "w")) == NULL)
-	Error("Cannot update %s.\n", path);
-    else
-	{
-	fwrite(&Enrgyvoid, SZ_VOIDSTRUCT, 1, fp);
-	fflush(fp);
-	if (ferror(fp))
-	    Error("Writing %s.\n", path);
-	fclose(fp);
-	}
+	Error("Cannot create %s.\n", path);
+    fclose(fp);
 
     /* create binary monster data base */
     path = strrchr(_PATH_MONST, '/') + 1;