http://packetstormsecurity.org/UNIX/admin/xscreensaver-3.28.tar.gz

[xscreensaver] / hacks / glx / stonerview.c

diff --git a/hacks/glx/stonerview.c b/hacks/glx/stonerview.c
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+/* StonerView: An eccentric visual toy.
+   Copyright 1998-2001 by Andrew Plotkin (erkyrath@eblong.com)
+
+   For the latest version, source code, and links to more of my stuff, see:
+   http://www.eblong.com/zarf/stonerview.html
+
+   Permission to use, copy, modify, distribute, and sell this software and its
+   documentation for any purpose is hereby granted without fee, provided that
+   the above copyright notice appear in all copies and that both that
+   copyright notice and this permission notice appear in supporting
+   documentation.  No representations are made about the suitability of this
+   software for any purpose.  It is provided "as is" without express or 
+   implied warranty.
+*/
+
+/* Ported away from GLUT (so that it can do `-root' and work with xscreensaver)
+   by Jamie Zawinski <jwz@jwz.org>, 22-Jan-2001.
+ */
+
+#include "config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/time.h>
+
+#include <GL/gl.h>
+
+#include "yarandom.h"
+#include "stonerview-move.h"
+
+extern int init_view(int *argc, char *argv[]);
+extern void win_draw(void);
+
+
+static void 
+stonerview_usleep (unsigned long usecs)
+{
+  struct timeval tv;
+  tv.tv_sec  = usecs / 1000000L;
+  tv.tv_usec = usecs % 1000000L;
+  (void) select (0, 0, 0, 0, &tv);
+}
+
+int main(int argc, char *argv[])
+{
+
+  /* Randomize -- only need to do this here because this program
+     doesn't use the `screenhack.h' or `lockmore.h' APIs. */
+# undef ya_rand_init
+  ya_rand_init (0);
+
+  if (!init_view(&argc, argv))
+    return -1;
+  if (!init_move())
+    return -1;
+
+  while (1)
+    {
+      win_draw();
+      move_increment();
+      stonerview_usleep (20000);
+    }
+
+  return 0;
+}