883 lines
20 KiB
C++
883 lines
20 KiB
C++
#ifndef _HEADER_POSITION_H
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#define _HEADER_POSITION_H
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#ifndef __MENUET__
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#endif
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#define NELEM(a) (sizeof(a) / sizeof((a)[0]))
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const int NW_CELL = 8;
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const int NUM_CELL = NW_CELL * NW_CELL / 2;
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const int LEN_WPOS = (NUM_CELL + 2) / 3;
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inline int PoleCpos(int i, int j)
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{
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return (i + j) % 2 != 0;
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}
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inline int PoleToNum(int i, int j)
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{
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return j * (NW_CELL / 2) + i/2;
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}
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inline void NumToPole(int k, int &i, int &j)
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{
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j = k / (NW_CELL / 2);
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i = k % (NW_CELL / 2);
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i *= 2;
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if (j % 2 == 0) i++;
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}
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class Position
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{
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public:
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char SH[NUM_CELL];
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char wmove;
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Position() {Init();}
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Position(const Position &p);
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Position& operator=(const Position &p);
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void Init();
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int IsNull() const;
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void Add(int np, char sh) {SH[np] = sh;}
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void Del(int np) {SH[np] = 0;}
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void Move(int np0, int np1) {if (np0 != np1) {SH[np1] = SH[np0]; SH[np0] = 0;}}
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static int BecameD(int np, char ch);
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enum {AWrong = -1, AWColor = -2, AfCell = -3, AnfCell = -4,
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AMustEatMore = -5, AMustEat = -6, ANoMove = -7, AChBack = -8,
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ANotDm = -9, AOnlyDiag = -10, AEatYour = -11, AMoreOne = -12,
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ANotDmE = -13, AMustEatMoreD = -14, ATurnBack = -15};
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int ScanSide(int x, int y, int sx, int sy, int sh_k = -1) const;
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int CanEat(int k, int psx = 0, int psy = 0, int sh_k = -1) const;
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int CanMove(int k) const;
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int AChCell(int k);
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int AMove(const unsigned char MV[], int k = -1, int &mkmove = *(int*)0);
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int AllCanEat(int w = -1) const;
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int AllCanMove(int w = -1) const;
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char *Write(char WP[], int how = 0) const;
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Position &Read(const char WP[], int how = 0);
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static char *WriteMv(const unsigned char mv[], char WP[], int how = 0);
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int WriteMvEx(const unsigned char mv[], char WP[], int how = 0) const;
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static unsigned char *ReadMv(unsigned char mv[], const char WP[], int how = 0);
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static int GetLenMv(const unsigned char mv[], int how = 0);
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int GetLenMvEx(const unsigned char mv[], int how = 0) const;
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static int GetLenMwr(const char WP[], int how = 0);
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static void SetNullMv(unsigned char mv[]) {mv[0] = 0;}
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void Reverse();
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};
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Position::Position(const Position &p) : wmove(p.wmove)
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{
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for(int i = 0; i < NUM_CELL; i++) SH[i] = p.SH[i];
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}
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Position& Position::operator=(const Position &p)
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{
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wmove = p.wmove;
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for(int i = 0; i < NUM_CELL; i++) SH[i] = p.SH[i];
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return *this;
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}
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void Position::Init()
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{
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wmove = 0;
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for (int i = 0; i < NUM_CELL; i++) SH[i] = 0;
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}
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int Position::IsNull() const
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{
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for (int i = 0; i < NUM_CELL; i++) if (SH[i] != 0) return 0;
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return 1;
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}
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inline int Position::BecameD(int np, char ch)
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{
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int x, y;
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NumToPole(np, x, y);
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return ch == 1 && y == NW_CELL - 1 || ch == 2 && y == 0;
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}
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char *Position::Write(char WP[], int how) const
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{
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if (how == 0)
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{
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int i = 0, j;
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for (j = 0; i < NUM_CELL; j++)
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{
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WP[j] = SH[i++];
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if (i < NUM_CELL) {WP[j] *= (char)5; WP[j] += SH[i++];}
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if (i < NUM_CELL) {WP[j] *= (char)5; WP[j] += SH[i++];}
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if (i >= NUM_CELL) {WP[j] *= (char)2; WP[j] += wmove;}
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WP[j]++;
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}
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}
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else if (how == 1)
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{
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int i;
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for (i = NUM_CELL - 1; i >= 0; i--)
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{
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if (SH[i] < 0 || SH[i] >= 5) return 0;
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}
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for (i = 0; i < NUM_CELL; i++)
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{
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const char SYMBOL[5] = {'0', 'R', 'B', 'X', 'Z'};
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WP[i] = SYMBOL[SH[NUM_CELL - 1 - i]];
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}
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WP[NUM_CELL] = ':';
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WP[NUM_CELL + 1] = (wmove == 0) ? 'r' : 'b';
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WP[NUM_CELL + 2] = 0;
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}
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return WP;
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}
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Position &Position::Read(const char WP[], int how)
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{
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if (how == 0)
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{
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int i = 0, j, ii;
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for (j = 0; i < NUM_CELL; j++)
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{
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unsigned int cwp = WP[j] - 1;
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if (i >= NUM_CELL - 3)
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{
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wmove = char(cwp % 2);
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cwp /= 2;
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ii = NUM_CELL - 1;
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}
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else ii = i + 2;
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while(ii >= i) {SH[ii--] = char(cwp % 5); cwp /= 5;}
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i += 3;
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}
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}
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else if (how == 1)
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{
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int i;
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wmove = 0;
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for (i = 0; i < NUM_CELL; i++)
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{
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switch(WP[i])
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{
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case '0':
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case '-': case '.':
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case 'F': case 'f':
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SH[NUM_CELL - 1 - i] = 0;
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break;
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case '1':
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case 'A': case 'a':
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case 'R': case 'r':
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SH[NUM_CELL - 1 - i] = 1;
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break;
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case '2':
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case 'B': case 'b':
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case 'S': case 's':
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SH[NUM_CELL - 1 - i] = 2;
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break;
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case '3':
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case 'W': case 'w':
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case 'X': case 'x':
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SH[NUM_CELL - 1 - i] = 3;
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break;
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case '4':
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case 'Y': case 'y':
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case 'Z': case 'z':
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SH[NUM_CELL - 1 - i] = 4;
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break;
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default:
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Init();
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return *this;
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}
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}
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if (WP[NUM_CELL] == ':')
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{
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char c = WP[NUM_CELL + 1];
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if (c == 'B' || c == 'b' || c == 'S' || c == 's' ||
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c == 'Y' || c == 'y' || c == 'Z' || c == 'z')
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{
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wmove = 1;
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}
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}
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}
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return *this;
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}
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char *Position::WriteMv(const unsigned char mv[], char WP[], int how)
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{
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int i, nmv = 0;
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if (mv) nmv = mv[0];
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if (how == 0)
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{
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WP[0] = char(nmv + 1);
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for (i = 1; i <= nmv; i++) WP[i] = char(mv[i] + 1);
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}
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else if (how == 1)
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{
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int j = 0;
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for (i = 1; i <= nmv; i++)
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{
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int x, y;
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NumToPole(mv[i], x, y);
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WP[j++] = char('a' + NW_CELL - 1 - x);
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int r = sprintf(WP + j, "%d", 1 + y);
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if (r > 0) j += r;
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if (i != nmv) WP[j++] = '-';
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}
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WP[j] = 0;
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}
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return WP;
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}
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unsigned char *Position::ReadMv(unsigned char mv[], const char WP[], int how)
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{
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int i;
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if (how == 0)
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{
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mv[0] = char(WP[0] - 1);
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for (i = 1; i <= mv[0]; i++) mv[i] = char(WP[i] - 1);
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}
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else if (how == 1)
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{
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int j = 0, x = -1, y = -1;
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mv[0] = 0;
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for (;;)
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{
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if (isdigit(WP[j]))
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{
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y = atoi(WP + j) - 1;
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while (isdigit(WP[j])) j++;
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}
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else if (islower(WP[j])) x = NW_CELL - 1 - (WP[j++] - 'a');
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else
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{
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if (x >= 0 && y >= 0 && x < NW_CELL && y < NW_CELL)
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{
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mv[++mv[0]] = (char)PoleToNum(x, y);
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}
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else if (y >= 0 && y < NUM_CELL) mv[++mv[0]] = (char)(NUM_CELL - 1 - y);
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x = -1; y = -1;
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if (WP[j] == '-' || WP[j] == '*' || WP[j] == ':') j++;
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else break;
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}
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if (x >= 0 && y >= 0 && x < NW_CELL && y < NW_CELL)
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{
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mv[++mv[0]] = (char)PoleToNum(x, y);
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x = -1; y = -1;
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}
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}
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}
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return mv;
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}
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int Position::GetLenMv(const unsigned char mv[], int how)
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{
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if (how == 0) return mv ? (1 + mv[0]) : 1;
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else if (how == 1)
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{
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int i, j = 0;
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if (!mv) return 1;
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for (i = 1; i <= mv[0]; i++)
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{
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int x, y;
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NumToPole(mv[i], x, y);
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j++; y++;
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while(y > 0) {j++; y /= 10;}
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if (i != mv[0]) j++;
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}
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return ++j;
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}
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else return 0;
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}
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int Position::GetLenMwr(const char WP[], int how)
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{
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if (how == 0) return (unsigned char)WP[0];
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else if (how == 1)
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{
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int j;
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for (j = 0; WP[j] == '-' || WP[j] == '*' ||
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WP[j] == ':' || isdigit(j) || islower(j); j++);
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return j + 1;
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}
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else return 0;
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}
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inline int Position::GetLenMvEx(const unsigned char mv[], int how) const
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{
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return WriteMvEx(mv, 0, how);
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}
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int Position::WriteMvEx(const unsigned char mv[], char WP[], int how) const
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{
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if (how == 11)
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{
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Position pos = *this;
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int p, L = 0, was_d = 0;
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for (p = 1; p <= mv[0]; p++)
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{
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if (!was_d && pos.SH[mv[p]] > 2)
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{
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if (WP) WP[L] = '*';
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L++;
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was_d = 1;
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}
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int x0, y0, x1, y1;
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NumToPole(mv[p], x0, y0);
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if (WP)
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{
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WP[L++] = char('a' + NW_CELL - 1 - x0);
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int r = sprintf(WP + L, "%d", 1 + y0);
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if (r > 0) L += r;
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}
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else
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{
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L++;
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int g = y0 + 1;
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while(g > 0) {L++; g /= 10;}
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}
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if (p >= mv[0]) break;
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NumToPole(mv[p+1], x1, y1);
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int mi = abs(x1 - x0), i, eat = -1;
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if (mi > 0 && mi == abs(y1 - y0))
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{
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int sx = (x1 > x0) ? 1 : -1;
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int sy = (y1 > y0) ? 1 : -1;
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for (i = 1; i < mi; i++)
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{
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int r = PoleToNum(x0 + i * sx, y0 + i * sy);
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if (pos.SH[r] != 0)
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{
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eat = r;
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pos.Del(r);
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}
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}
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}
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if (WP) WP[L] = (eat >= 0) ? ':' : '-';
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L++;
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if (pos.SH[mv[p]] == 1 && y1 == NW_CELL - 1) pos.SH[mv[p]] = 3;
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else if (pos.SH[mv[p]] == 2 && y1 == 0) pos.SH[mv[p]] = 4;
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pos.Move(mv[p], mv[p+1]);
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}
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if (WP) WP[L] = 0;
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L++;
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return L;
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}
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else
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{
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if (WP) WriteMv(mv, WP, how);
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return GetLenMv(mv, how);
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}
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}
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int Position::ScanSide(int x, int y, int sx, int sy, int sh_k) const
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{
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if (sh_k < 0) sh_k = SH[PoleToNum(x, y)];
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if (sh_k < 1 || sh_k > 4) return -2;
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if (sh_k >= 2) sh_k -= 2;
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int i, i0, i1, f = 0, g = 0;
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if (sx < 0) i0 = x;
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else i0 = NW_CELL - x - 1;
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if (sy < 0) i1 = y;
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else i1 = NW_CELL - y - 1;
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if (i0 > i1) i0 = i1;
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for (i = 1; i <= i0; i++)
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{
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char nk = SH[PoleToNum(x + i*sx, y + i*sy)];
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if (nk)
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{
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if (f || (nk != 3 - sh_k && nk != 5 - sh_k)) return g;
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else f = 1;
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}
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else if (f) return (i == 2) ? 4 : (2 + g);
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else if (i == 1) g = 1;
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}
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return g;
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}
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int Position::CanEat(int k, int psx, int psy, int sh_k) const
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{
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int x, y, sx, sy;
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if (sh_k < 0) sh_k = SH[k];
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if (sh_k < 1 || sh_k > 6) return 0;
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NumToPole(k, x, y);
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if (sh_k > 4)
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{
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int i, i0, i1, f = 0;
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if (-psx < 0) i0 = x;
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else i0 = NW_CELL - x - 1;
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if (-psy < 0) i1 = y;
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else i1 = NW_CELL - y - 1;
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if (i0 > i1) i0 = i1;
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for (i = 1; i <= i0; i++)
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{
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int nk = SH[PoleToNum(x - i*psx, y - i*psy)];
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if (nk)
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{
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if (f || (nk != 7 - sh_k && nk != 9 - sh_k)) break;
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else f = 1;
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}
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else
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{
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if (f) return 1;
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if (ScanSide(x - i*psx, y - i*psy, psy, -psx, sh_k-2) >= 2) return 1;
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if (ScanSide(x - i*psx, y - i*psy, -psy, psx, sh_k-2) >= 2) return 1;
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}
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}
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}
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else for (sx = -1; sx <= 1; sx += 2) if (x + 2*sx >= 0 && x + 2*sx < NW_CELL)
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{
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for (sy = -1; sy <= 1; sy += 2)
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{
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if ((sx != psx || sy != psy) && y + 2*sy >= 0 && y + 2*sy < NW_CELL)
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{
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if (sh_k <= 2)
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{
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if (SH[PoleToNum(x + 2*sx, y + 2*sy)] == 0)
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{
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int nk = SH[PoleToNum(x + sx, y + sy)];
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if (nk == 3 - sh_k || nk == 5 - sh_k) return 1;
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}
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}
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else if (ScanSide(x, y, sx, sy, sh_k) >= 2) return 1;
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}
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}
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}
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return 0;
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}
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int Position::CanMove(int k) const
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{
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int x, y, xx, yy, y1, y2;
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NumToPole(k, x, y);
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if (SH[k] == 1) y1 = y2 = y + 1;
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else if (SH[k] == 2) y1 = y2 = y - 1;
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else if (SH[k] != 3 && SH[k] != 4) return 0;
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else {y1 = y - 1; y2 = y + 1;}
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for (yy = y1; yy <= y2; yy += 2) if (yy >= 0 && yy < NW_CELL)
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{
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for (xx = x - 1; xx <= x + 1; xx += 2) if (xx >= 0 && xx < NW_CELL)
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{
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if (SH[PoleToNum(xx, yy)] == 0) return 1;
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}
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}
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return 0;
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}
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int Position::AChCell(int k)
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{
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if (k < 0 || k >= NUM_CELL) return AWrong;
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if (SH[k] == 0) return AfCell;
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if (SH[k] != 1 + wmove && SH[k] != 3 + wmove) return AWColor;
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if (CanEat(k)) return 1;
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if (AllCanEat()) return AMustEat;
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if (CanMove(k)) return 1;
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return ANoMove;
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}
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int Position::AMove(const unsigned char MV[], int k, int &mkmove)
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{
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if (k >= NUM_CELL) return AWrong;
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if (MV[0] <= 0)
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{
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if (k < 0) return NUM_CELL;
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int s = AChCell(k);
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if (s < 0) return s;
|
|
else return NUM_CELL;
|
|
}
|
|
if (MV[0] == 1 && k < 0)
|
|
{
|
|
int s = AChCell(MV[1]);
|
|
if (s < 0) return s;
|
|
else return NUM_CELL;
|
|
}
|
|
if (SH[MV[1]] == 0) return AfCell;
|
|
if (SH[MV[1]] != 1 + wmove && SH[MV[1]] != 3 + wmove) return AWColor;
|
|
int i, mi, p, MV_L, MV_N = MV[0], eat = -1, r;
|
|
int psx = 0, psy = 0;
|
|
if (k >= 0) MV_N++;
|
|
Position pos = *this;
|
|
for (p = 1; p < MV_N; p++)
|
|
{
|
|
int x0, y0, x1, y1, i_eat;
|
|
if (p < MV[0]) MV_L = MV[p+1];
|
|
else if (k < 0) break;
|
|
else MV_L = k;
|
|
if (pos.SH[MV_L] != 0) return AnfCell;
|
|
NumToPole(MV[p], x0, y0);
|
|
NumToPole(MV_L, x1, y1);
|
|
mi = abs(x1 - x0);
|
|
if (mi <= 0 || mi != abs(y1 - y0)) return AOnlyDiag;
|
|
int sx = (x1 > x0) ? 1 : -1;
|
|
int sy = (y1 > y0) ? 1 : -1;
|
|
if (sx == psx && sy == psy) return ATurnBack;
|
|
psx = -sx; psy = -sy;
|
|
eat = -1; i_eat = -1;
|
|
for (i = 1; i < mi; i++)
|
|
{
|
|
r = PoleToNum(x0 + i * sx, y0 + i * sy);
|
|
if (pos.SH[r] != 0)
|
|
{
|
|
if (eat >= 0) return AMoreOne;
|
|
if (pos.SH[r] != 2 - wmove && pos.SH[r] != 4 - wmove) return AEatYour;
|
|
eat = r; i_eat = i;
|
|
pos.Del(r);
|
|
}
|
|
}
|
|
if (eat >= 0)
|
|
{
|
|
if (pos.SH[MV[p]] <= 2 && mi != 2) return ANotDmE;
|
|
}
|
|
else
|
|
{
|
|
if (MV_N > 2) return AMustEatMore;
|
|
if (pos.SH[MV[p]] <= 2)
|
|
{
|
|
if (mi != 1) return ANotDm;
|
|
if (wmove == 0 && y1 < y0 || wmove == 1 && y1 > y0) return AChBack;
|
|
}
|
|
if (AllCanEat()) return AMustEat;
|
|
}
|
|
if (i_eat >= 0 && pos.SH[MV[p]] > 2)
|
|
{
|
|
if (!pos.CanEat(MV_L, psx, psy, pos.SH[MV[p]]))
|
|
{
|
|
if (pos.CanEat(PoleToNum(x0 + i_eat*sx, y0 + i_eat*sy),
|
|
psx, psy, pos.SH[MV[p]] + 2))
|
|
{
|
|
return AMustEatMoreD;
|
|
}
|
|
}
|
|
}
|
|
if (wmove == 0 && y1 == NW_CELL - 1) pos.SH[MV[p]] = 3;
|
|
else if (wmove == 1 && y1 == 0) pos.SH[MV[p]] = 4;
|
|
pos.Move(MV[p], MV_L);
|
|
}
|
|
if (&mkmove)
|
|
{
|
|
int end = MV_N > 1 && (eat < 0 || !pos.CanEat(MV_L, psx, psy));
|
|
if (mkmove == 1 && end)
|
|
{
|
|
*this = pos;
|
|
wmove = !wmove;
|
|
}
|
|
if (end) mkmove = 0;
|
|
else
|
|
{
|
|
if (MV_N > 1 && eat >= 0) mkmove = AMustEatMore;
|
|
else mkmove = AWrong;
|
|
}
|
|
}
|
|
if (k < 0 || eat < 0) eat = NUM_CELL;
|
|
return eat;
|
|
}
|
|
|
|
int Position::AllCanEat(int w) const
|
|
{
|
|
int k;
|
|
if (w < 0) w = wmove;
|
|
for (k = 0; k < NUM_CELL; k++)
|
|
{
|
|
if ((SH[k] == w+1 || SH[k] == w+3) && CanEat(k)) return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int Position::AllCanMove(int w) const
|
|
{
|
|
int k;
|
|
if (w < 0) w = wmove;
|
|
for (k = 0; k < NUM_CELL; k++)
|
|
{
|
|
if ((SH[k] == w+1 || SH[k] == w+3) && CanMove(k)) return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void Position::Reverse()
|
|
{
|
|
int i;
|
|
for (i = 0; i <= (NUM_CELL-1) / 2; i++)
|
|
{
|
|
int sh1 = SH[i], sh2 = SH[NUM_CELL - 1 - i];
|
|
if (sh1 == 1) sh1 = 2;
|
|
else if (sh1 == 2) sh1 = 1;
|
|
else if (sh1 == 3) sh1 = 4;
|
|
else if (sh1 == 4) sh1 = 3;
|
|
if (sh2 == 1) sh2 = 2;
|
|
else if (sh2 == 2) sh2 = 1;
|
|
else if (sh2 == 3) sh2 = 4;
|
|
else if (sh2 == 4) sh2 = 3;
|
|
SH[i] = (char)sh2; SH[NUM_CELL - 1 - i] = (char)sh1;
|
|
}
|
|
wmove = !wmove;
|
|
}
|
|
|
|
|
|
class PlayWrite
|
|
{
|
|
public:
|
|
PlayWrite() : play(0), mplay(0), nplay(0), start(0), mstart(0), nstart(0) {}
|
|
PlayWrite(const PlayWrite &pl) : play(0), mplay(0), nplay(0),
|
|
start(0), mstart(0), nstart(0) {(*this) = pl;}
|
|
~PlayWrite() {Clear();}
|
|
|
|
void Clear();
|
|
PlayWrite &operator=(const PlayWrite &pl);
|
|
int GetN() const {return nstart - 1;}
|
|
int GetLen() const {return nplay - sizeof(int);}
|
|
|
|
struct PMv
|
|
{
|
|
Position pos;
|
|
unsigned char mv[NUM_CELL];
|
|
};
|
|
|
|
void Add(const unsigned char move[], const Position &pos);
|
|
void Add(const PMv &pmv) {Add(pmv.mv, pmv.pos);}
|
|
int Add(const unsigned char move[]);
|
|
int GetMove(unsigned char move[], int k) const;
|
|
int GetPos(Position &pos, int k) const;
|
|
int GetPMv(PMv &pmv, int k) const;
|
|
int GetMoveL(unsigned char move[], int k = 0) const
|
|
{return GetMove(move, nstart - 2 - k);}
|
|
int GetPosL(Position &pos, int k = 0) const {return GetPos(pos, nstart - 2 - k);}
|
|
int GetPMvL(PMv &pmv, int k = 0) const {return GetPMv(pmv, nstart - 2 - k);}
|
|
int ClearFrom(int k = 0);
|
|
int IsDraw(int nmove = -1);
|
|
protected:
|
|
void IncPlay(int k);
|
|
void IncStart(int k);
|
|
void IncStart() {IncStart(nstart + 1);}
|
|
void AddStart() {IncStart(); start[nstart++] = nplay;}
|
|
void Split();
|
|
void SplitClear();
|
|
protected:
|
|
char *play;
|
|
int *start;
|
|
int mplay, nplay, mstart, nstart;
|
|
};
|
|
|
|
void PlayWrite::Clear()
|
|
{
|
|
if (play)
|
|
{
|
|
if ((*(int*)play) > 0) (*(int*)play)--;
|
|
else delete[] play;
|
|
}
|
|
play = 0; mplay = 0; nplay = 0;
|
|
if (start)
|
|
{
|
|
if (start[0] > 0) start[0]--;
|
|
else delete[] start;
|
|
}
|
|
start = 0; mstart = 0; nstart = 0;
|
|
}
|
|
|
|
void PlayWrite::Split()
|
|
{
|
|
if (play && (*(int*)play) > 0)
|
|
{
|
|
(*(int*)play)--;
|
|
char *play0 = play;
|
|
mplay = nplay;
|
|
play = new char[mplay];
|
|
memcpy(play, play0, nplay * sizeof(play[0]));
|
|
(*(int*)play) = 0;
|
|
}
|
|
if (start && start[0] > 0)
|
|
{
|
|
start[0]--;
|
|
int *start0 = start;
|
|
mstart = nstart;
|
|
start = new int[mstart];
|
|
memcpy(start, start0, nstart * sizeof(start[0]));
|
|
start[0] = 0;
|
|
}
|
|
}
|
|
|
|
void PlayWrite::SplitClear()
|
|
{
|
|
if (play && (*(int*)play) > 0)
|
|
{
|
|
(*(int*)play)--;
|
|
play = 0;
|
|
nplay = 0; mplay = 0;
|
|
}
|
|
if (start && start[0] > 0)
|
|
{
|
|
start[0]--;
|
|
start = 0;
|
|
nstart = 0; mstart = 0;
|
|
}
|
|
}
|
|
|
|
PlayWrite &PlayWrite::operator=(const PlayWrite &pl)
|
|
{
|
|
if (&pl != this)
|
|
{
|
|
play = pl.play;
|
|
(*(int*)play)++;
|
|
nplay = pl.nplay; mplay = pl.mplay;
|
|
start = pl.start;
|
|
start[0]++;
|
|
nstart = pl.nstart; mstart = pl.mstart;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
void PlayWrite::IncPlay(int k)
|
|
{
|
|
if (mplay < k)
|
|
{
|
|
int m0 = mplay;
|
|
char *play0 = play;
|
|
mplay = 2*k + 10;
|
|
play = new char[mplay];
|
|
memcpy(play, play0, m0 * sizeof(play[0]));
|
|
(*(int*)play) = 0;
|
|
if (play0)
|
|
{
|
|
if ((*(int*)play0) > 0) (*(int*)play0)--;
|
|
else delete[] play0;
|
|
}
|
|
}
|
|
}
|
|
|
|
void PlayWrite::IncStart(int k)
|
|
{
|
|
if (mstart < k)
|
|
{
|
|
int m0 = mstart;
|
|
int *start0 = start;
|
|
mstart = 2*k + 10;
|
|
start = new int[mstart];
|
|
memcpy(start, start0, m0 * sizeof(start[0]));
|
|
start[0] = 0;
|
|
if (start0)
|
|
{
|
|
if (start0[0] > 0) start0[0]--;
|
|
else delete[] start0;
|
|
}
|
|
}
|
|
}
|
|
|
|
void PlayWrite::Add(const unsigned char move[], const Position &pos)
|
|
{
|
|
Split();
|
|
int k = Position::GetLenMv(move);
|
|
if (nstart < 1) nstart = 1;
|
|
if (nplay < sizeof(int)) nplay = sizeof(int);
|
|
AddStart();
|
|
IncPlay(nplay + k + LEN_WPOS);
|
|
Position::WriteMv(move, play + nplay, 0);
|
|
nplay += k;
|
|
pos.Write(play + nplay, 0);
|
|
nplay += LEN_WPOS;
|
|
}
|
|
|
|
int PlayWrite::Add(const unsigned char move[])
|
|
{
|
|
if (nstart <= 1) return 1;
|
|
Position pos;
|
|
GetPosL(pos);
|
|
int mkmove = 1;
|
|
int res = pos.AMove(move, -1, mkmove);
|
|
if (res < 0) return res;
|
|
else if (mkmove != 0) return mkmove;
|
|
Add(move, pos);
|
|
return 0;
|
|
}
|
|
|
|
int PlayWrite::GetMove(unsigned char move[], int k) const
|
|
{
|
|
if (!play || !start) return -1;
|
|
k++;
|
|
if (k <= 0 || k >= nstart) return -1;
|
|
Position::ReadMv(move, play + start[k], 0);
|
|
return Position::GetLenMv(move);
|
|
}
|
|
|
|
int PlayWrite::GetPos(Position &pos, int k) const
|
|
{
|
|
if (!play || !start) return -1;
|
|
k++;
|
|
if (k <= 0 || k >= nstart) return -1;
|
|
int mlen = Position::GetLenMwr(play + start[k], 0);
|
|
pos.Read(play + start[k] + mlen, 0);
|
|
return LEN_WPOS;
|
|
}
|
|
|
|
int PlayWrite::GetPMv(PMv &pmv, int k) const
|
|
{
|
|
if (!play || !start) return -1;
|
|
k++;
|
|
if (k <= 0 || k >= nstart) return -1;
|
|
Position::ReadMv(pmv.mv, play + start[k], 0);
|
|
int mlen = Position::GetLenMv(pmv.mv);
|
|
pmv.pos.Read(play + start[k] + mlen, 0);
|
|
return mlen + LEN_WPOS;
|
|
}
|
|
|
|
int PlayWrite::ClearFrom(int k)
|
|
{
|
|
if (!play || !start) return 0;
|
|
k++;
|
|
if (k >= nstart) return 0;
|
|
if (k <= 1) {Clear(); return 2;}
|
|
nplay = start[k];
|
|
nstart = k;
|
|
return 1;
|
|
}
|
|
|
|
int PlayWrite::IsDraw(int nmove)
|
|
{
|
|
nmove++;
|
|
if (nmove <= 0 || nmove > nstart) nmove = nstart;
|
|
if (!start || nmove <= 3) return 0;
|
|
int i, j, k, draw = 0;
|
|
for (i = 1; i < nmove; i++)
|
|
{
|
|
k = 1;
|
|
char *p1 = play + start[i] + Position::GetLenMwr(play + start[i], 0);
|
|
for (j = 1; j < i; j++)
|
|
{
|
|
char *p2 = play + start[j] + Position::GetLenMwr(play + start[j], 0);
|
|
if (memcmp(p1, p2, LEN_WPOS) == 0) k++;
|
|
}
|
|
if (k >= 3) {draw = 1; break;}
|
|
}
|
|
return draw;
|
|
}
|
|
|
|
|
|
class TChPlayer
|
|
{
|
|
public:
|
|
TChPlayer() {}
|
|
|
|
typedef struct PlayWrite::PMv PMv;
|
|
|
|
virtual int PlayerID() {return 0;}
|
|
virtual int Move(PMv &pmv) = 0;
|
|
|
|
int Move(Position &pos, char mv[]);
|
|
};
|
|
|
|
int TChPlayer::Move(Position &pos, char mv[])
|
|
{
|
|
PMv pmv;
|
|
pmv.pos = pos; memcpy(pmv.mv, mv, sizeof(pmv.mv));
|
|
int res = Move(pmv);
|
|
pos = pmv.pos; memcpy(mv, pmv.mv, sizeof(pmv.mv));
|
|
return res;
|
|
}
|
|
|
|
#endif //_HEADER_POSITION_H
|