221 lines
7.7 KiB
C
221 lines
7.7 KiB
C
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
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* This is GNU Go, a Go program. Contact gnugo@gnu.org, or see *
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* http://www.gnu.org/software/gnugo/ for more information. *
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* *
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* Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, *
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* 2008 and 2009 by the Free Software Foundation. *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License as *
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* published by the Free Software Foundation - version 3 or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License in file COPYING for more details. *
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* *
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* You should have received a copy of the GNU General Public *
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* License along with this program; if not, write to the Free *
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, *
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* Boston, MA 02111, USA. *
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\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/* values for move_reason.type */
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#define THREAT_BIT 1
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/* Only use even values for non-threat move reasons! */
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#define ATTACK_MOVE 2
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#define ATTACK_MOVE_GOOD_KO 4
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#define ATTACK_MOVE_BAD_KO 6
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#define ATTACK_THREAT (ATTACK_MOVE | THREAT_BIT)
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#define DEFEND_MOVE 8
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#define DEFEND_MOVE_GOOD_KO 10
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#define DEFEND_MOVE_BAD_KO 12
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#define DEFEND_THREAT (DEFEND_MOVE | THREAT_BIT)
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#define CONNECT_MOVE 14
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#define CUT_MOVE 16
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#define SEMEAI_MOVE 18
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#define SEMEAI_THREAT (SEMEAI_MOVE | THREAT_BIT)
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#define EXPAND_TERRITORY_MOVE 20
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#define EXPAND_MOYO_MOVE 22
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#define INVASION_MOVE 24
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#define OWL_ATTACK_MOVE 26
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#define OWL_ATTACK_MOVE_GOOD_KO 28
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#define OWL_ATTACK_MOVE_BAD_KO 30
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#define OWL_ATTACK_THREAT (OWL_ATTACK_MOVE | THREAT_BIT)
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#define OWL_DEFEND_MOVE 32
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#define OWL_DEFEND_MOVE_GOOD_KO 34
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#define OWL_DEFEND_MOVE_BAD_KO 36
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#define OWL_DEFEND_THREAT (OWL_DEFEND_MOVE | THREAT_BIT)
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#define OWL_PREVENT_THREAT 38
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#define UNCERTAIN_OWL_ATTACK 40
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#define UNCERTAIN_OWL_DEFENSE 42
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#define STRATEGIC_ATTACK_MOVE 44
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#define STRATEGIC_DEFEND_MOVE 46
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#define MY_ATARI_ATARI_MOVE 50
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#define YOUR_ATARI_ATARI_MOVE 52
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#define VITAL_EYE_MOVE 54
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#define OWL_ATTACK_MOVE_GAIN 60
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#define OWL_DEFEND_MOVE_LOSS 62
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#define POTENTIAL_SEMEAI_ATTACK 64
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#define POTENTIAL_SEMEAI_DEFENSE 66
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#define ANTISUJI_MOVE 70
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#define EITHER_MOVE 100
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#define ALL_MOVE 102
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/* Bitmap values for move_reason.status */
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#define ACTIVE 0
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#define TERRITORY_REDUNDANT 1
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#define STRATEGICALLY_REDUNDANT 2
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#define REDUNDANT (TERRITORY_REDUNDANT | STRATEGICALLY_REDUNDANT)
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#define SECONDARY 4
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#define MAX_REASONS 120
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#define MAX_TRACE_LENGTH 160
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#define HUGE_MOVE_VALUE 10.0*MAX_BOARD*MAX_BOARD
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struct move_reason {
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int type; /* e.g. attack, defend, or connect */
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int what; /* pointer into list of strings, list of pair of dragons,
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or similar */
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int status; /* This is a bitmap to mark redundant or secondary
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move reasons. */
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};
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struct move_data {
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float value; /* total comparison value, computed at the very end */
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float final_value; /* value after point redistribution. */
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float additional_ko_value; /* Additional threat value if ko fight going on.*/
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float territorial_value; /* Value in terms of actual profit. */
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float strategical_value; /* Value with respect to strength, weakness, and
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safety of all groups on the board. */
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float maxpos_shape; /* Maximal positive contribution to shape */
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float maxneg_shape; /* Maximal negative contribution to shape */
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int numpos_shape; /* Number of positive contributions to shape */
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int numneg_shape; /* Number of negative contributions to shape */
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float followup_value; /* Value of followup move (our sente). */
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float influence_followup_value; /* Followup value of move as reported by
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experimental influence. */
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float reverse_followup_value; /* Value of opponents followup move
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(reverse sente). */
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float secondary_value; /* Secondary move value. */
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float min_value; /* Minimum allowed value for the move. */
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float max_value; /* Maximum allowed value for the move. */
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float min_territory; /* Minimum territorial value. */
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float max_territory; /* Maximum territorial value. */
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float randomness_scaling; /* Increase to randomize this move. */
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int reason[MAX_REASONS]; /* List of reasons for a move. */
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int move_safety; /* Whether the move seems safe. */
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int worthwhile_threat; /* Play this move as a pure threat. */
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float random_number; /* Random number connected to this move. */
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};
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/*
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* Some sizes.
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*
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* FIXME: Many of these could be optimized more for size (e.g. MAX_EYES)
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*/
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#define MAX_MOVE_REASONS 1000
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#define MAX_WORMS 2*MAX_BOARD*MAX_BOARD/3
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#define MAX_DRAGONS MAX_WORMS
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#define MAX_CONNECTIONS 4*MAX_WORMS
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#define MAX_POTENTIAL_SEMEAI 50
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#define MAX_EYES MAX_BOARD*MAX_BOARD/2
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#define MAX_LUNCHES MAX_WORMS
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#define MAX_EITHER 100
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#define MAX_ALL 100
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#define MAX_ATTACK_THREATS 6
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extern struct move_data move[BOARDMAX];
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extern struct move_reason move_reasons[MAX_MOVE_REASONS];
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extern int next_reason;
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/* Connections */
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extern int conn_worm1[MAX_CONNECTIONS];
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extern int conn_worm2[MAX_CONNECTIONS];
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extern int next_connection;
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extern int semeai_target1[MAX_POTENTIAL_SEMEAI];
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extern int semeai_target2[MAX_POTENTIAL_SEMEAI];
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/* Unordered sets (currently pairs) of move reasons / targets */
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typedef struct {
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int reason1;
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int what1;
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int reason2;
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int what2;
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} Reason_set;
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extern Reason_set either_data[MAX_EITHER];
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extern int next_either;
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extern Reason_set all_data[MAX_ALL];
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extern int next_all;
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/* Eye shapes */
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extern int eyes[MAX_EYES];
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extern int eyecolor[MAX_EYES];
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extern int next_eye;
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/* Lunches */
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extern int lunch_dragon[MAX_LUNCHES]; /* eater */
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extern int lunch_worm[MAX_LUNCHES]; /* food */
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extern int next_lunch;
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/* Point redistribution */
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extern int replacement_map[BOARDMAX];
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/* The color for which we are evaluating moves. */
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extern int current_color;
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int find_worm(int str);
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int find_dragon(int str);
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int move_reason_known(int pos, int type, int what);
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int attack_move_reason_known(int pos, int what);
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int defense_move_reason_known(int pos, int what);
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int owl_attack_move_reason_known(int pos, int what);
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int owl_defense_move_reason_known(int pos, int what);
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int owl_move_reason_known(int pos, int what);
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int semeai_move_reason_known(int pos, int what);
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int get_biggest_owl_target(int pos);
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int is_antisuji_move(int pos);
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void discard_redundant_move_reasons(int pos);
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void mark_changed_dragon(int pos, int color, int affected, int affected2,
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int move_reason_type,
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signed char safe_stones[BOARDMAX],
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float strength[BOARDMAX], float *effective_size);
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void mark_changed_string(int affected, signed char changed_stones[BOARDMAX],
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float strength[BOARDMAX], signed char new_status);
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int adjacent_to_nondead_stone(int pos, int color);
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int find_connection(int worm1, int worm2);
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/*
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* Local Variables:
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* tab-width: 8
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* c-basic-offset: 2
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* End:
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*/
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