// ==== Starter Mind ===============================================================================================
// (c) Ancient Brain Ltd. All rights reserved.
// This code is only for use on the Ancient Brain site.
// This code may be freely copied and edited by anyone on the Ancient Brain site.
// This code may not be copied, re-published or used on any other website.
// To include a run of this code on another website, see the "Embed code" links provided on the Ancient Brain site.
// ==================================================================================================================




// =================================================================================================
// Sample Mind for more complex starter World  
// =================================================================================================

// World tells us agent position and enemy position
// World does not tell us of existence of walls
// if return invalid move (not empty square) World just ignores it and we miss a turn 


 

        AB.mind.getAction = function ( x )              // x is an array of [ ai, aj, ei, ej ]
        { 
                var ai = x[0];
                var aj = x[1];
                var ei = x[2];
                var ej = x[3];

                // if strictly move away, will get stuck at wall, so introduce randomness 

                 if ( ej < aj )         return ( AB.randomPick ( ACTION_UP,             AB.randomPick(ACTION_RIGHT,ACTION_LEFT)         )); 
                 if ( ej > aj )         return ( AB.randomPick ( ACTION_DOWN,   AB.randomPick(ACTION_RIGHT,ACTION_LEFT)         )); 

                 if ( ei < ai )         return ( AB.randomPick ( ACTION_RIGHT,  AB.randomPick(ACTION_UP,ACTION_DOWN)            )); 
                 if ( ei > ai )         return ( AB.randomPick ( ACTION_LEFT,   AB.randomPick(ACTION_UP,ACTION_DOWN)            )); 

                return  ( AB.randomIntAtoB (0,3) );
        };