// *******************************************************************
//   (C) Copyright 2013 Leiden Institute of Advanced Computer Science
//   Universiteit Leiden
//   All Rights Reserved
// *******************************************************************
// Dou Shou Qi (engine)
// *******************************************************************
// FILE INFORMATION:
//   File:     evaluation.h
//   Author:   Jonathan K. Vis
//   Revision: 1.01a
//   Date:     2013/04/05
// *******************************************************************
// DESCRIPTION:
//   Defines for each piece a static development score for each
//   location of the board and a negative score when a piece is
//   captured (static relative piece value).
//   Values are taken from: ``Discovering and Searching Loosely
//   Coupled Subproblems in Dou Shou Qi'', Joseph Burnett, 2010.
// *******************************************************************

#if !defined(__evaluation_h__)
#define __evaluation_h__

#include "../core/position.h"

static int const DEVELOPMENT[16][64] =
{
  {
      11, 13, 50, 100, 50, 13, 13,
      11, 12, 13,  50, 13, 13, 13,
      10, 11, 11,  13, 13, 13, 13,
       8,  9,  9,  11, 12, 12, 13,
       8,  9,  9,  11, 12, 12, 12,
       8,  9,  9,  10, 12, 12, 11,
       8,  8,  8,   9, 10, 10, 10,
       8,  8,  8,   9,  9,  9,  9,
       8,  8,  8,   0,  8,  8,  8,
    -500
  }, // WHITE_RAT
  {
       8,  8,  8,   0,  8,  8,  8,
       9,  9,  9,   9,  8,  8,  8,
      10, 10, 10,   9,  8,  8,  8,
      11, 12, 12,  10,  9,  9,  8,
      12, 12, 12,  11,  9,  9,  8,
      13, 12, 12,  11,  9,  9,  8,
      13, 13, 13,  13, 11, 11, 10,
      13, 13, 13,  50, 13, 12, 11,
      13, 13, 50, 100, 50, 13, 11,
    -500
  }, // BLACK_RAT
  {
      11, 15, 50, 100, 50, 15, 11,
      11, 11, 15,  50, 15, 11, 11,
      10, 11, 11,  15, 11, 11, 10,
      10,  0,  0,  10,  0,  0,  8,
      10,  0,  0,   8,  0,  0,  8,
      10,  0,  0,   8,  0,  0,  8,
      10, 10, 10,   8,  8,  8,  8,
      13, 10,  8,   8,  8,  8,  8,
       8,  8,  8,   0,  8,  8,  8,
    -200
  }, // WHITE_CAT
  {
       8,  8,  8,   0,  8,  8,  8,
       8,  8,  8,   8,  8, 10, 13,
       8,  8,  8,   8, 10, 10, 10,
       8,  0,  0,   8,  0,  0, 10,
       8,  0,  0,   8,  0,  0, 10,
       8,  0,  0,  10,  0,  0, 10,
      10, 11, 11,  15, 11, 11, 10,
      11, 11, 15,  50, 15, 11, 11,
      11, 15, 50, 100, 50, 15, 11,
    -200
  }, // BLACK_CAT
  {
      11, 15, 50, 100, 50, 15, 11,
      10, 11, 15,  50, 15, 11, 10,
       9, 10, 11,  15, 11, 10,  9,
       9,  0,  0,  10,  0,  0,  9,
       8,  0,  0,   8,  0,  0,  8,
       8,  0,  0,   8,  0,  0,  8,
       8,  8, 10,   8,  8,  8,  8,
       8, 12, 13,   8,  8,  8,  8,
       8, 12, 12,   0,  8,  8,  8,
    -300
  }, // WHITE_WOLF
  {
       8,  8,  8,   0, 12, 12,  8,
       8,  8,  8,   8, 13, 12,  8,
       8,  8,  8,   8, 10,  8,  8,
       8,  0,  0,   8,  0,  0,  8,
       8,  0,  0,   8,  0,  0,  8,
       9,  0,  0,  10,  0,  0,  9,
       9, 10, 11,  15, 11, 10,  9,
      10, 11, 15,  50, 15, 11, 10,
      11, 15, 50, 100, 50, 15, 11,
    -300
  }, // BLACK_WOLF
  {
      11, 15, 50, 100, 50, 15, 11,
      10, 11, 15,  50, 15, 11, 10,
       9, 10, 11,  15, 11, 10,  9,
       9,  0,  0,  10,  0,  0,  9,
       8,  0,  0,   8,  0,  0,  8,
       8,  0,  0,   8,  0,  0,  8,
       8,  8,  8,   8,  8,  8,  8,
       8,  8,  8,   8, 13, 10,  8,
       8,  8,  8,   0, 12, 12,  8,
    -400
  }, // WHITE_DOG
  {
       8, 12, 12,   0,  8,  8,  8,
       8, 10, 13,   8,  8,  8,  8,
       8,  8,  8,   8,  8,  8,  8,
       8,  0,  0,   8,  0,  0,  8,
       8,  0,  0,   8,  0,  0,  8,
       9,  0,  0,  10,  0,  0,  9,
       9, 10, 11,  15, 11, 10,  9,
      10, 11, 15,  50, 15, 11, 10,
      11, 15, 50, 100, 50, 15, 11,
    -400
  }, // BLACK_DOG
  {
      14, 15, 50, 100, 50, 15, 14,
      13, 14, 15,  50, 15, 14, 13,
      13, 13, 14,  15, 14, 13, 13,
      12,  0,  0,  15,  0,  0, 12,
      11,  0,  0,  14,  0,  0, 11,
      10,  0,  0,  13,  0,  0, 10,
       9,  9,  9,  10, 10,  9,  9,
       9,  9,  9,   9,  9,  9,  9,
       9,  9,  9,   0,  9,  9,  9,
    -500
  }, // WHITE_PANTHER
  {
       9,  9,  9,   0,  9,  9,  9,
       9,  9,  9,   9,  9,  9,  9,
       9,  9, 10,  10,  9,  9,  9,
      10,  0,  0,  13,  0,  0, 10,
      11,  0,  0,  14,  0,  0, 11,
      12,  0,  0,  15,  0,  0, 12,
      13, 13, 14,  15, 14, 13, 13,
      13, 14, 15,  50, 15, 14, 13,
      14, 15, 50, 100, 50, 15, 14,
    -500
  }, // BLACK_PANTHER
  {
      25, 30, 50, 100, 50, 30, 25,
      25, 25, 30,  50, 30, 25, 25,
      18, 20, 20,  30, 20, 20, 18,
      15,  0,  0,  15,  0,  0, 15,
      15,  0,  0,  15,  0,  0, 15,
      15,  0,  0,  15,  0,  0, 15,
      14, 16, 16,  14, 16, 16, 14,
      12, 14, 12,  12, 12, 12, 12,
      10, 12, 12,   0, 12, 12, 10,
    -800
  }, // WHITE_TIGER
  {
      10, 12, 12,   0, 12, 12, 10,
      12, 12, 12,  12, 12, 14, 12,
      14, 16, 16,  14, 16, 16, 14,
      15,  0,  0,  15,  0,  0, 15,
      15,  0,  0,  15,  0,  0, 15,
      15,  0,  0,  15,  0,  0, 15,
      18, 20, 20,  30, 20, 20, 18,
      25, 25, 30,  50, 30, 25, 25,
      25, 30, 50, 100, 50, 30, 25,
    -800
  }, // BLACK_TIGER
  {
      25, 30, 50, 100, 50, 30, 25,
      25, 25, 30,  50, 30, 25, 25,
      18, 20, 20,  30, 20, 20, 18,
      15,  0,  0,  15,  0,  0, 15,
      15,  0,  0,  15,  0,  0, 15,
      15,  0,  0,  15,  0,  0, 15,
      14, 16, 16,  14, 16, 16, 14,
      12, 12, 12,  12, 12, 14, 12,
      10, 12, 12,   0, 12, 12, 10,
    -900
  }, // WHITE_LION
  {
      10, 12, 12,   0, 12, 12, 10,
      12, 14, 12,  12, 12, 12, 12,
      14, 16, 16,  14, 16, 16, 14,
      15,  0,  0,  15,  0,  0, 15,
      15,  0,  0,  15,  0,  0, 15,
      15,  0,  0,  15,  0,  0, 15,
      18, 20, 20,  30, 20, 20, 18,
      25, 25, 30,  50, 30, 25, 25,
      25, 30, 50, 100, 50, 30, 25,
    -900
  }, // BLACK_LION
  {
       25, 30, 50, 100, 50, 30, 25,
       25, 25, 30,  50, 30, 25, 25,
       18, 20, 20,  30, 20, 20, 18,
       16,  0,  0,  16,  0,  0, 16,
       14,  0,  0,  14,  0,  0, 14,
       12,  0,  0,  12,  0,  0, 12,
       10, 15, 14,  14, 14, 14, 12,
       11, 14, 11,  11, 11, 11, 11,
       11, 11, 11,   0, 11, 11, 11,
    -1000
  }, // WHITE_ELEPHANT
  {
       11, 11, 11,   0, 11, 11, 11,
       11, 11, 11,  11, 11, 14, 11,
       12, 14, 14,  14, 14, 15, 10,
       12,  0,  0,  12,  0,  0, 12,
       14,  0,  0,  14,  0,  0, 14,
       16,  0,  0,  16,  0,  0, 16,
       18, 20, 20,  30, 20, 20, 18,
       25, 25, 30,  50, 30, 25, 25,
       25, 30, 50, 100, 50, 30, 25,
    -1000
  } // BLACK_ELEPHANT
}; // DEVELOPMENT


static inline int evaluate(Position const &position)
{
  static int const factor[2] = {-1, 1};
  return factor[position.is_white_turn()] *
         (DEVELOPMENT[WHITE_RAT][position.piece(WHITE_RAT)] +
         -DEVELOPMENT[BLACK_RAT][position.piece(BLACK_RAT)] +
          DEVELOPMENT[WHITE_CAT][position.piece(WHITE_CAT)] +
         -DEVELOPMENT[BLACK_CAT][position.piece(BLACK_CAT)] +
          DEVELOPMENT[WHITE_WOLF][position.piece(WHITE_WOLF)] +
         -DEVELOPMENT[BLACK_WOLF][position.piece(BLACK_WOLF)] +
          DEVELOPMENT[WHITE_DOG][position.piece(WHITE_DOG)] +
         -DEVELOPMENT[BLACK_DOG][position.piece(BLACK_DOG)] +
          DEVELOPMENT[WHITE_PANTHER][position.piece(WHITE_PANTHER)] +
         -DEVELOPMENT[BLACK_PANTHER][position.piece(BLACK_PANTHER)] +
          DEVELOPMENT[WHITE_TIGER][position.piece(WHITE_TIGER)] +
         -DEVELOPMENT[BLACK_TIGER][position.piece(BLACK_TIGER)] +
          DEVELOPMENT[WHITE_LION][position.piece(WHITE_LION)] +
         -DEVELOPMENT[BLACK_LION][position.piece(BLACK_LION)] +
          DEVELOPMENT[WHITE_ELEPHANT][position.piece(WHITE_ELEPHANT)] +
         -DEVELOPMENT[BLACK_ELEPHANT][position.piece(BLACK_ELEPHANT)]);
} // evaluate

#endif