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[/] [connect-6/] [trunk/] [XILINX/] [BUILD_SCC_SRCH/] [synth_src/] [search_bfs.cpp] - Diff between revs 17 and 18

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Rev 17 Rev 18
 
 
/*
/*
 
 
connectk -- UMN CSci 5512W project
connectk -- UMN CSci 5512W project
 
 
*/
*/
 
 
//#include "config.h"
//#include "config.h"
//#include <string.h>
//#include <string.h>
//#include <glib.h>
//#include <glib.h>
//#include <iostream>
//#include <iostream>
//#include <stdio.h>
//#include <stdio.h>
#include "./shared.h"
#include "./shared.h"
#include "pico.h"
#include "pico.h"
//#include "../connectk.h"
//#include "../connectk.h"
 
 
/* Variables required to check for cache hits */
/* Variables required to check for cache hits */
//static int cache_id = -1, cache_depth = -1, cache_branch = -1;
//static int cache_id = -1, cache_depth = -1, cache_branch = -1;
//static SEARCH cache_search = -1;
//static SEARCH cache_search = -1;
//static AIMoves *cache_moves = NULL;
//static AIMoves *cache_moves = NULL;
//static AIWEIGHT cache_best;
//static AIWEIGHT cache_best;
//static Player *cache_player;
//static Player *cache_player;
//static AIFunc cache_func;
//static AIFunc cache_func;
//static BCOORD cache_size;
//static BCOORD cache_size;
 
 
int ai_stop=0;
int ai_stop=0;
int mini(int x,int y){
int mini(int x,int y){
        return (x<=y)?x:y;
        return (x<=y)?x:y;
}
}
int maxi(int x,int y){
int maxi(int x,int y){
        return (x>=y)?x:y;
        return (x>=y)?x:y;
}
}
int mod2(int x){
int mod2(int x){
#pragma bitsize x 5
#pragma bitsize x 5
int ans[16]={0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1};
int y;
return ans[x];
#pragma bitsize y 5
 
////int ans[32]={0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1};
 
//int ans[32]={1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1};
 
//return ans[x+16];
 
y=x & 1;
}
}
int mod5(int x){
int mod5(int x){
#pragma bitsize x 5
#pragma bitsize x 5
int ans[16]={0,1,2,3,4,0,1,2,3,4,0,1,2,3,4,0};
int ans[16]={0,1,2,3,4,0,1,2,3,4,0,1,2,3,4,0};
return ans[x];
return ans[x];
}
}
/*static*/ AIWEIGHT df_search(Board *b, AIMoves *moves,/*index_array *index,*/ Player *player,int depth, int cache_index, PIECE searched, AIWEIGHT alpha, AIWEIGHT beta)
/*static*/ AIWEIGHT df_search(Board *b, AIMoves *moves,/*index_array *index,*/ Player *player,int depth, int cache_index, PIECE searched, AIWEIGHT alpha, AIWEIGHT beta)
/* Depth is in _moves_ */
/* Depth is in _moves_ */
{
{
                #pragma internal_fast index
                #pragma internal_fast index
        int i, j;
        int i, j;
        #pragma bitsize i 16
        #pragma bitsize i 16
        #pragma bitsize j 16
        #pragma bitsize j 16
        Board b_next[2][16];
        Board b_next[2][16];
        #pragma internal_blockram b_next
        #pragma internal_blockram b_next
        AIMoves moves_next[2][16];
        AIMoves moves_next[2][16];
        #pragma internal_fast moves_next
        #pragma internal_fast moves_next
        #pragma unpacked moves_next
        #pragma unpacked moves_next
        AIWEIGHT utility[5][16];
        AIWEIGHT utility[5][16];
        #pragma internal_blockram utility
        #pragma internal_blockram utility
        PIECE turn[5]={b->turn};
        PIECE turn[5]={b->turn};
        int branch=player->branch;
        int branch=player->branch;
 
 
        board_copy(b, &b_next[0][0]);
        board_copy(b, &b_next[0][0]);
        ai_threats(b_next,0,0,moves_next/*,index*/);
        //ai_threats(b_next,0,0,moves_next/*,index*/);
        utility[0][0]=moves_next[0][0].utility;
        //utility[0][0]=moves_next[0][0].utility;
        turn[0]=b->turn;
        //turn[0]=b->turn;
        for(i=0;i<branch;i++){
        //for(i=0;i<branch;i++){
        moves->data[i].x=moves_next[0][0].data[i].x;
        //moves->data[i].x=moves_next[0][0].data[i].x;
        moves->data[i].y=moves_next[0][0].data[i].y;
        //moves->data[i].y=moves_next[0][0].data[i].y;
        //moves->data[i].weight=moves_next[1][i].utility;
        ////moves->data[i].weight=moves_next[1][i].utility;
        }
        //}
 
 
        ///* Search only the top moves beyond the minimum */
        ///* Search only the top moves beyond the minimum */
        ////aimoves_sort(moves);
        ////aimoves_sort(moves);
        //if (moves->len > player->branch) {
        //if (moves->len > player->branch) {
        //        //for (i = player->branch; i < moves->len; i++)
        //        //for (i = player->branch; i < moves->len; i++)
        //        //        if (moves->data[i].weight != moves->data[0].weight)
        //        //        if (moves->data[i].weight != moves->data[0].weight)
        //        //                break;
        //        //                break;
        //        //moves->len = i;
        //        //moves->len = i;
        //        moves->len = player->branch;
        //        moves->len = player->branch;
        //}
        //}
 
 
        /* No moves left -- its a draw */
        /* No moves left -- its a draw */
 
 
        if (moves_next[0][0].len < 1)                //"(%s)", bcoords_to_string(aim->x, aim->y));
        //if (moves_next[0][0].len < 1)                //"(%s)", bcoords_to_string(aim->x, aim->y));
 
 
                return AIW_DRAW;
          //      return AIW_DRAW;
                //board_copy(b, &b_next[0][0]);
                //board_copy(b, &b_next[0][0]);
 
 
        /* Search each move available in depth first order */
        /* Search each move available in depth first order */
        for(j=0;j<depth;j++){
        for(j=-1;j<depth;j++){
                int k,branches=1;
                int k,branches=1;
                for(k=0;k<j+1;k++) branches*=branch;
                for(k=0;k<j+1;k++) branches*=branch;
                //int branches=(player->branch)^j;
                //int branches=(player->branch)^j;
                //printf("branches %d\n",branches);
                //printf("branches %d\n",branches);
                //int current_j=j % 2;
                //int current_j=j % 2;
                //int next_j=(j+1) % 2;
                //int next_j=(j+1) % 2;
                int current_j=mod2(j);
                int current_j=mod2(j);
                int next_j=mod2(j+1);
                int next_j=mod2(j+1);
                if (b_next[current_j][0].moves_left <= 0) turn[j]=other_player(b_next[current_j][0].turn);
                if(j!=-1){
                else turn[j]=b_next[current_j][0].turn;
                if (b_next[current_j][0].moves_left <= 0) turn[j+1]=other_player(b_next[current_j][0].turn);
 
                else turn[j+1]=b_next[current_j][0].turn;
 
                }else turn[0]=b->turn;
        for (i = 0; i < branches; i++) {
        for (i = 0; i < branches; i++) {
                //if(!(moves_next[j][i>>1].utility==AIW_WIN || moves_next[j][i>>1].utility==-AIW_WIN)){
                //if(!(moves_next[j][i>>1].utility==AIW_WIN || moves_next[j][i>>1].utility==-AIW_WIN)){
                if(!(utility[j][i>>1]==AIW_WIN || utility[j][i>>1]==-AIW_WIN)){
                AIMove aim;
                //AIMove aim = *(moves_next[current_j][i>>1].data + (i % branch));
                //////////////////////////////////////////////////////////if(!(utility[j][i>>1]==AIW_WIN || utility[j][i>>1]==-AIW_WIN)){
                AIMove aim = *(moves_next[current_j][i>>1].data + mod2(i));
                if(j!=-1){
 
                //aim = *(moves_next[current_j][i>>1].data + (i % branch));
 
                aim = *(moves_next[current_j][i>>1].data + mod2(i));
                //printf ("aim->utility %d \n",utility[j][i>>1]);
                //printf ("aim->utility %d \n",utility[j][i>>1]);
 
 
                board_copy(&b_next[current_j][i>>1], &b_next[next_j][i]);
                board_copy(&b_next[current_j][i>>1], &b_next[next_j][i]);
                //if(moves_next[j][i/2].len<branch) printf ("caca");
                //if(moves_next[j][i/2].len<branch) printf ("caca");
                //printf("%d %d\n",aim.x,aim.y);
                //printf("%d %d\n",aim.x,aim.y);
 
 
                /* Did we get a bad move? */
                /* Did we get a bad move? */
                if (!piece_empty(piece_at(&b_next[next_j][i], aim.x, aim.y))) {
                if (!piece_empty(piece_at(&b_next[next_j][i], aim.x, aim.y))) {
                        //g_warning("DFS utility function suggested a bad move "
                        //g_warning("DFS utility function suggested a bad move "
                                  //"(%s)", bcoords_to_string(aim->x, aim->y));
                                  //"(%s)", bcoords_to_string(aim->x, aim->y));
                        //printf("bad move\n");
                        //printf("bad move\n");
                        continue;
                        continue;
                }
                }
 
 
                /* Already searched here? */
                /* Already searched here? */
                ///////////////////////////if (piece_at(&b_next[j+1][i], aim->x, aim->y) == searched){
                ///////////////////////////if (piece_at(&b_next[j+1][i], aim->x, aim->y) == searched){
                ///////////////////////////     moves_next[j+1][i].utility=moves_next[j+1][i>>1].utility;
                ///////////////////////////     moves_next[j+1][i].utility=moves_next[j+1][i>>1].utility;
                ///////////////////////////        continue;
                ///////////////////////////        continue;
                ///////////////////////////}
                ///////////////////////////}
                ///////////////////////////place_piece_type(&b_next[j+1][i], aim->x, aim->y, searched);
                ///////////////////////////place_piece_type(&b_next[j+1][i], aim->x, aim->y, searched);
 
 
                //b_next = board_new();
                //b_next = board_new();
                place_piece(&b_next[next_j][i], aim.x, aim.y);
                place_piece(&b_next[next_j][i], aim.x, aim.y);
                        AIWEIGHT next_alpha = alpha, next_beta = beta;
                        //AIWEIGHT next_alpha = alpha, next_beta = beta;
                        //AIFunc func;
                        //AIFunc func;
 
 
 
                }else{
 
                        aim.x=-1;aim.y=-1;
                        /* Player has changed */
                        /* Player has changed */
                //printf("depth %d branches %d turn %d \n\n",j,branches,turn[j]);
                //printf("depth %d branches %d turn %d \n\n",j,branches,turn[j]);
                        if (b_next[next_j][i].moves_left <= 0) {
                        if (b_next[next_j][i].moves_left <= 0) {
                                b_next[next_j][i].moves_left = place_p;
                                b_next[next_j][i].moves_left = place_p;
                                b_next[next_j][i].turn = other_player(b_next[current_j][i].turn);
                                b_next[next_j][i].turn = other_player(b_next[current_j][i].turn);
                                searched++;
                                searched++;
                                next_alpha = -beta;
                                //next_alpha = -beta;
                                next_beta = -alpha;
                                //next_beta = -alpha;
                        }
                        }
                        b_next[next_j][i].moves_left--;
                        b_next[next_j][i].moves_left--;
 
 
 
                }
                /* Did we win? */
                /* Did we win? */
 
 
                if (check_win_full(&b_next[1][i], aim.x, aim.y,0,0,0,0)){
                if (check_win_full(&b_next[next_j][i], aim.x, aim.y,0,0,0,0)){
                        aim.weight = AIW_WIN;
                        aim.weight = AIW_WIN;
                        moves_next[next_j][i].utility=AIW_WIN;
                        moves_next[next_j][i].utility=AIW_WIN;
                        utility[j+1][i]=AIW_WIN;
                        utility[j+1][i]=AIW_WIN;
 
 
 
 
                //}else if(moves_next[j][i>>1].utility==AIW_WIN || moves_next[j][i>>1].utility==-AIW_WIN ){
                /////////////////////////////////////////////////////////////////}else if(moves_next[j][i>>1].utility==AIW_WIN || moves_next[j][i>>1].utility==-AIW_WIN ){
                }else if(utility[j][i>>1]==AIW_WIN || utility[j][i>>1]==-AIW_WIN ){
                /////////////////////////////////////////////////////////////////}else if(utility[j][i>>1]==AIW_WIN || utility[j][i>>1]==-AIW_WIN ){
                        //moves_next[j+1][i].utility=AIW_WIN;
                /////////////////////////////////////////////////////////////////       //moves_next[j+1][i].utility=AIW_WIN;
                        utility[j+1][i]=AIW_WIN;
                /////////////////////////////////////////////////////////////////       utility[j+1][i]=AIW_WIN;
                /* Otherwise, search deeper */
                //////////////////////////////////////////////////////////////////* Otherwise, search deeper */
                }else  {
                }else  {
 
 
                        //func = ai(player->ai)->func;
                        //func = ai(player->ai)->func;
                        //if (!func) {
                        //if (!func) {
                        //        g_warning("DFS player has no AI function");
                        //        g_warning("DFS player has no AI function");
                        //        return moves->utility;
                        //        return moves->utility;
                        //}
                        //}
                        //moves_next = func(b_next);
                        //moves_next = func(b_next);
                        ai_threats(b_next,next_j,i,moves_next/*,index*/);
                        ai_threats(b_next,next_j,i,moves_next/*,index*/);
                        utility[j+1][i]=moves_next[next_j][i].utility;
                        utility[j+1][i]=moves_next[next_j][i].utility;
 
 
                        //aim->weight = df_search(&b_next, &moves_next, index,player,
                        //aim->weight = df_search(&b_next, &moves_next, index,player,
                        //                        depth - 1, next_ci, searched,
                        //                        depth - 1, next_ci, searched,
                        //                        next_alpha, next_beta);
                        //                        next_alpha, next_beta);
                        //aimoves_free(moves_next);
                        //aimoves_free(moves_next);
                }
                }
                        ////////////////////////////////////////////////////////////////////////if (b_next[next_j][i].turn != b->turn)
                        ////////////////////////////////////////////////////////////////////////if (b_next[next_j][i].turn != b->turn)
                                //moves_next[j+1][i].utility=-moves_next[j+1][i].utility;
                                //moves_next[j+1][i].utility=-moves_next[j+1][i].utility;
                                ////////////////////////////////////////////////////////////////utility[j+1][i]=-moves_next[1][i].utility;
                                ////////////////////////////////////////////////////////////////utility[j+1][i]=-moves_next[1][i].utility;
                        //if (moves_next[j+1][i].utility >= AIW_WIN)
                        //if (moves_next[j+1][i].utility >= AIW_WIN)
                        //      moves_next[j+1][i].utility=AIW_WIN;
                        //      moves_next[j+1][i].utility=AIW_WIN;
 
 
                /* Debug search */
                /* Debug search */
                //if (opt_debug_dfsc) {
                //if (opt_debug_dfsc) {
                //        for(j = MAX_DEPTH - depth; j > 0; j--)
                //        for(j = MAX_DEPTH - depth; j > 0; j--)
                //                //g_print("-");
                //                //g_print("-");
                //        //g_print("> d=%d, %s, u=%d, a=%d, b=%d %s\n",
                //        //g_print("> d=%d, %s, u=%d, a=%d, b=%d %s\n",
                //        //        depth, bcoords_to_string(aim->x, aim->y),
                //        //        depth, bcoords_to_string(aim->x, aim->y),
                //        //        aim->weight, alpha, beta,
                //        //        aim->weight, alpha, beta,
                //        //        piece_to_string(b->turn));
                //        //        piece_to_string(b->turn));
                //}
                //}
 
 
                //board_free(b_next);
                //board_free(b_next);
                //if (aim->weight > alpha) {
                //if (aim->weight > alpha) {
                //        alpha = aim->weight;
                //        alpha = aim->weight;
                //        //cache_set(cache_index, aim);
                //        //cache_set(cache_index, aim);
 
 
                //        /* Victory abort */
                //        /* Victory abort */
                //        if (alpha >= AIW_WIN)
                //        if (alpha >= AIW_WIN)
                //                return AIW_WIN;
                //                return AIW_WIN;
 
 
                //        /* Alpha-beta pruning */
                //        /* Alpha-beta pruning */
                //        if (alpha >= beta)
                //        if (alpha >= beta)
                //                return alpha;
                //                return alpha;
                //}
                //}
        //printf("%d %d %d\n",j,i,moves_next[j+1][i].utility);
        //printf("%d %d %d\n",j,i,moves_next[j+1][i].utility);
                }else //moves_next[j+1][i].utility=AIW_WIN;
                /////////////////////////////////////////////////////////////}else //moves_next[j+1][i].utility=AIW_WIN;
                        utility[j+1][i]=AIW_WIN;
                /////////////////////////////////////////////////////////////   utility[j+1][i]=AIW_WIN;
 
        }
 
        if(j==-1){
 
                for(k=0;k<branch;k++){
 
                moves->data[k].x=moves_next[0][0].data[k].x;
 
                moves->data[k].y=moves_next[0][0].data[k].y;
 
                //moves->data[i].weight=moves_next[1][i].utility;
 
                }
 
        if (moves_next[0][0].len < 1)
 
              return AIW_DRAW;
        }
        }
        }
        }
        for(j=depth-2;j>=0;j--){
        for(j=depth-2;j>=0;j--){
                int k,branches=1;
                int k,branches=1;
                for(k=0;k<j+1;k++) branches*=branch;
                for(k=0;k<j+1;k++) branches*=branch;
                //int branches=(player->branch)^j;
                //int branches=(player->branch)^j;
                //printf("branches %d player %d\n",branches,b_next[j+1][i].turn);
 
        for (i = 0; i < branches; i=i+2) {
        for (i = 0; i < branches; i=i+2) {
                //if (b_next[next_j][i].turn != b->turn)
                //if (b_next[next_j][i].turn != b->turn)
 
                //printf("branches %d player %d %d %d\n",branches,b_next[j+1][i].turn,j,i);
                if (turn[j] != b->turn)
                if (turn[j] != b->turn)
                //moves_next[j][i>>1].utility=mini(moves_next[j+1][i].utility,moves_next[j+1][i+1].utility);
                //moves_next[j][i>>1].utility=mini(moves_next[j+1][i].utility,moves_next[j+1][i+1].utility);
                utility[j][i>>1]=mini(utility[j+1][i],utility[j+1][i+1]);
                utility[j][i>>1]=mini(utility[j+1][i],utility[j+1][i+1]);
                else
                else
                //moves_next[j][i>>1].utility=maxi(moves_next[j+1][i].utility,moves_next[j+1][i+1].utility);
                //moves_next[j][i>>1].utility=maxi(moves_next[j+1][i].utility,moves_next[j+1][i+1].utility);
                utility[j][i>>1]=maxi(utility[j+1][i],utility[j+1][i+1]);
                utility[j][i>>1]=maxi(utility[j+1][i],utility[j+1][i+1]);
 
 
        //printf("%d %d\n",moves_next[j+1][i].utility,moves_next[j+1][i+1].utility);
                //printf("%d %d\n",moves_next[j+1][i].utility,moves_next[j+1][i+1].utility);
        }
        }
        }
        }
 
 
        //for(i=0;i<branch;i++){
        //for(i=0;i<branch;i++){
        //moves_next[0][0].data[i].x=moves->data[i].x;
        //moves_next[0][0].data[i].x=moves->data[i].x;
        //moves_next[0][0].data[i].y=moves->data[i].y;
        //moves_next[0][0].data[i].y=moves->data[i].y;
        //moves_next[0][0].data[i].weight=moves->data[i].weight;
        //moves_next[0][0].data[i].weight=moves->data[i].weight;
        //}
        //}
        //moves_next[0][0].utility=moves->utility;
        //moves_next[0][0].utility=moves->utility;
        //moves_next[0][0].len=branch;
        //moves_next[0][0].len=branch;
        for(i=0;i<branch;i++){
        for(i=0;i<branch;i++){
        //moves->data[i].x=moves_next[0][0].data[i].x;
        //moves->data[i].x=moves_next[0][0].data[i].x;
        //moves->data[i].y=moves_next[0][0].data[i].y;
        //moves->data[i].y=moves_next[0][0].data[i].y;
        //moves->data[i].weight=moves_next[1][i].utility;
        //moves->data[i].weight=moves_next[1][i].utility;
        moves->data[i].weight=utility[1][i];
        moves->data[i].weight=utility[1][i];
        }
        }
        moves->len=branch;
        moves->len=branch;
 
 
        return alpha;
        return alpha;
}
}
 
 
int  search(Board *b, AIMove *move, Player *player)
int  search(Board *b, AIMove *move, Player *player)
{
{
        AIMoves moves;
        AIMoves moves;
        #pragma internal_blockram moves
        #pragma internal_blockram moves
        moves.len=0;
        moves.len=0;
        Board copy;
        Board copy;
        #pragma internal_blockram copy
        #pragma internal_blockram copy
        /*index_array index={0};*/
        /*index_array index={0};*/
                #pragma internal_fast index
                #pragma internal_fast index
        //AIFunc move_func = ai(player->ai)->func;
        //AIFunc move_func = ai(player->ai)->func;
 
 
        /* Player is not configured to search */
        /* Player is not configured to search */
        //if (player->search == SEARCH_NONE)
        //if (player->search == SEARCH_NONE)
        //        return;
        //        return;
 
 
        /* Moves list does not need to be searched */
        /* Moves list does not need to be searched */
        //if (moves->len <= b->moves_left) {
        //if (moves->len <= b->moves_left) {
        ////        if (opt_debug_dfsc)
        ////        if (opt_debug_dfsc)
        ////                g_debug("DFS no choice abort");
        ////                g_debug("DFS no choice abort");
        //        return;
        //        return;
        //}
        //}
 
 
        ///* Board size changed, cache is invalidated */
        ///* Board size changed, cache is invalidated */
        //if (board_size != cache_size)
        //if (board_size != cache_size)
        //        cache_moves = NULL;
        //        cache_moves = NULL;
        //cache_size = board_size;
        //cache_size = board_size;
 
 
        ///* Cache hit, last or same board */
        ///* Cache hit, last or same board */
        //if (player->cache && cache_moves && cache_moves->len &&
        //if (player->cache && cache_moves && cache_moves->len &&
        //    cache_search == player->search &&
        //    cache_search == player->search &&
        //    cache_depth == player->depth &&
        //    cache_depth == player->depth &&
        //    cache_player == player &&
        //    cache_player == player &&
        //    cache_func == move_func &&
        //    cache_func == move_func &&
        //    cache_branch == player->branch) {
        //    cache_branch == player->branch) {
        //        if (b->parent && cache_id == b->parent->ac.id) {
        //        if (b->parent && cache_id == b->parent->ac.id) {
        //                aimoves_remove(cache_moves, b->parent->move_x,
        //                aimoves_remove(cache_moves, b->parent->move_x,
        //                               b->parent->move_y);
        //                               b->parent->move_y);
        //                cache_id = b->ac.id;
        //                cache_id = b->ac.id;
        //        }
        //        }
        //        if (cache_id == b->ac.id && cache_moves->len) {
        //        if (cache_id == b->ac.id && cache_moves->len) {
        //                if (cache_moves->len) {
        //                if (cache_moves->len) {
        //                        aimoves_copy(cache_moves, moves);
        //                        aimoves_copy(cache_moves, moves);
        //                        if (opt_debug_dfsc)
        //                        if (opt_debug_dfsc)
        //                                g_debug("DFS cache HIT");
        //                                g_debug("DFS cache HIT");
        //                        return;
        //                        return;
        //                }
        //                }
        //                aimoves_free(cache_moves);
        //                aimoves_free(cache_moves);
        //                cache_moves = NULL;
        //                cache_moves = NULL;
        //        }
        //        }
        //}
        //}
 
 
        /* Cache miss */
        /* Cache miss */
        //if (opt_debug_dfsc)
        //if (opt_debug_dfsc)
        //        g_debug("DFS cache MISS");
        //        g_debug("DFS cache MISS");
        //cache_id = b->ac.id;
        //cache_id = b->ac.id;
        //if (!cache_moves)
        //if (!cache_moves)
        //        cache_moves = aimoves_new();
        //        cache_moves = aimoves_new();
        //cache_moves->len = 0;
        //cache_moves->len = 0;
        //cache_best = AIW_MIN;
        //cache_best = AIW_MIN;
        //copy = board_new();
        //copy = board_new();
        board_copy(b, &copy);
        board_copy(b, &copy);
        //ai_threats(&copy,&moves,&index);
        //ai_threats(&copy,&moves,&index);
 
 
        //if (player->search == SEARCH_DFS) {
        //if (player->search == SEARCH_DFS) {
                df_search(&copy, &moves, /*&index,*/player, player->depth, 0,
                df_search(&copy, &moves, /*&index,*/player, player->depth, 0,
                          PIECE_SEARCHED, AIW_LOSE, AIW_WIN);
                          PIECE_SEARCHED, AIW_LOSE, AIW_WIN);
        //printf("FINAL WEIGHTS %d %d \n\n",moves.data[0].weight,moves.data[1].weight);
        //printf("FINAL WEIGHTS %d %d \n\n",moves.data[0].weight,moves.data[1].weight);
        int ret_val;
        int ret_val;
        ret_val=aimoves_choose(&moves, move/*,&index*/);
        ret_val=aimoves_choose(&moves, move/*,&index*/);
        if (!ret_val)
        if (!ret_val)
                return 0;
                return 0;
        else return 1;
        else return 1;
          //      if (cache_moves->len)
          //      if (cache_moves->len)
          //              aimoves_copy(cache_moves, moves);
          //              aimoves_copy(cache_moves, moves);
        //} else {
        //} else {
        //        board_free(copy);
        //        board_free(copy);
        //        g_warning("Unsupported search type %d", player->search);
        //        g_warning("Unsupported search type %d", player->search);
        //        return;
        //        return;
        //}
        //}
        //board_free(copy);
        //board_free(copy);
 
 
        ///* Debug DFS search */
        ///* Debug DFS search */
        //if (opt_debug_dfsc)
        //if (opt_debug_dfsc)
        //        dfs_cache_dump();
        //        dfs_cache_dump();
 
 
        ///* Save params so we can check if we have a hit later */
        ///* Save params so we can check if we have a hit later */
        //cache_player = player;
        //cache_player = player;
        //cache_search = player->search;
        //cache_search = player->search;
        //cache_depth = player->depth;
        //cache_depth = player->depth;
        //cache_branch = player->branch;
        //cache_branch = player->branch;
        //cache_func = move_func;
        //cache_func = move_func;
}
}
 
 

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