Dynamically decide about window size based on information from the windowing
system.

Looks well on bigger displays, yet kind of sucks with network play.

Lubomir Rintel <lkundrak@v3.sk>

--- koules1.4/xlib/init.c.mode	2007-10-28 02:31:47.000000000 +0100
+++ koules1.4/xlib/init.c	2007-10-28 02:31:55.000000000 +0100
@@ -362,6 +362,12 @@
       printf ("could not open display\n");
       exit (0);
     }
+
+    if (MAPWIDTH == 0) {
+      GAMEWIDTH = MAPWIDTH = DisplayWidth (dp, DefaultScreen (dp)) * 0.8;
+      GAMEHEIGHT = MAPHEIGHT = DisplayHeight (dp, DefaultScreen (dp)) * 0.8;
+    }
+
   XSetCloseDownMode (dp, DestroyAll);
   screen = DefaultScreen (dp);
   fadeenable = 1;
@@ -634,10 +640,8 @@
   int             c;
   XEvent          event;
   nrockets = 1;
-  GAMEWIDTH = 640;
-  GAMEHEIGHT = 460;
-  MAPWIDTH = 640;
-  MAPHEIGHT = 460;
+  GAMEWIDTH = MAPWIDTH = 0;
+  GAMEHEIGHT = MAPHEIGHT = 0;
   DIV = 1;
 #ifdef MITSHM
   shm = 1;
@@ -819,6 +823,11 @@
 #ifdef NETSUPPORT
   if (server)
     {
+      if (MAPWIDTH == 0) {
+        GAMEWIDTH = MAPWIDTH = 640;
+        GAMEHEIGHT = MAPHEIGHT = 460;
+        DIV = 1;
+      }
       init_server ();
       server_loop ();
     }