diff -r 404ddce27b23 -r c13ebed437cb hedgewars/uConsts.pas
--- a/hedgewars/uConsts.pas	Wed Feb 20 02:21:58 2013 +0100
+++ b/hedgewars/uConsts.pas	Tue Apr 02 21:00:57 2013 +0200
@@ -97,6 +97,16 @@
     lfDamaged        = $1000;  //
     lfIce            = $0800;  // blue
     lfBouncy         = $0400;  // green
+    lfLandMask       = $FF00;  // upper byte is used for terrain, not objects.
+
+    lfCurrentHog     = $0080;  // CurrentHog.  It is also used to flag crates, for convenience of AI.  Since an active hog would instantly collect the crate, this doesn't impact play
+    lfNotCurrentMask = $FF7F;  // inverse of above. frequently used
+    lfObjMask        = $007F;  // lower 7 bits used for hogs
+    lfNotObjMask     = $FF80;  // inverse of above.
+    // lower byte is for objects. 
+    // consists of 0-127 counted for object checkins and $80 as a bit flag for current hog. 
+    lfAllObjMask     = $00FF;  // lfCurrentHog or lfObjMask
+
 
     cMaxPower     = 1500;
     cMaxAngle     = 2048;