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Copy pathQueen.cpp
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176 lines (140 loc) · 4.2 KB
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Copy pathQueen.cpp
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176 lines (140 loc) · 4.2 KB
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#include <iostream> // input-output library
#include <string> // string library
#include "Chessman.h"
#include "Queen.h"
Queen::Queen(char type, string place) : Chessman(type, place)
{
}
Queen::~Queen()
{
}
string Queen::validMove(string movement, Game game)
{
const int RET_INDEX = 0;
const int LETTER_INDEX = 0, NUM_INDEX = 1;
const int TO1 = 2, TO2 = 4, FROM1 = 0, FROM2 = 2;
const string TO = movement.substr(TO1, TO2);
const string FROM = movement.substr(FROM1, FROM2);
string ret = "*";
const char LETTER_TO = TO[LETTER_INDEX], NUM_TO = TO[NUM_INDEX];
const char LETTER_FROM = FROM[LETTER_INDEX], NUM_FROM = FROM[NUM_INDEX];
if (TO != FROM) // if is valid dest
{
if (game.isBlack(game.hasChessman(FROM)) != game.isBlack(game.hasChessman(TO))) // if is not same color
{
if (LETTER_TO == LETTER_FROM) // if it same letter
{
bool valid = true;
char from_[] = { LETTER_FROM , NUM_FROM };
if (NUM_TO > NUM_FROM)
for (from_[NUM_INDEX] += 1; from_[NUM_INDEX] < NUM_TO; from_[NUM_INDEX]++)
if (game.hasChessman(string(from_)) != NULL)
valid = false;
if (NUM_TO < NUM_FROM)
for (from_[NUM_INDEX] -= 1; from_[NUM_INDEX] > NUM_TO; from_[NUM_INDEX]--)
if (game.hasChessman(string(from_)) != NULL)
valid = false;
if (valid)
ret[RET_INDEX] = VALID_MOVEMENT;
else // if (!valid)
ret[RET_INDEX] = INVALID_MOVEMENT;
}
else if (NUM_TO == NUM_FROM) // if is same number
{
bool valid = true;
char from_[] = { LETTER_FROM , NUM_FROM };
if (LETTER_TO > LETTER_FROM)
for (from_[LETTER_INDEX] += 1; from_[LETTER_INDEX] < LETTER_TO; from_[LETTER_INDEX]++)
if (game.hasChessman(string(from_)) != NULL)
valid = false;
if (LETTER_TO < LETTER_FROM)
for (from_[LETTER_INDEX] -= 1; from_[LETTER_INDEX] > LETTER_TO; from_[LETTER_INDEX]--)
if (game.hasChessman(string(from_)) != NULL)
valid = false;
if (valid)
ret[RET_INDEX] = VALID_MOVEMENT;
else // if (!valid)
ret[RET_INDEX] = INVALID_MOVEMENT;
}
else // if it not same letter and number
{
if (LETTER_TO - NUM_TO == LETTER_FROM - NUM_FROM) // if is same remainder - option one
{
bool valid = true;
char from_[] = { LETTER_FROM, NUM_FROM }; // make copy to source place
if (LETTER_TO > LETTER_FROM)
{
for (int i = (int)LETTER_FROM + 1; i < (int)LETTER_TO; i++)
{
from_[LETTER_INDEX]++;
from_[NUM_INDEX]++;
if (game.hasChessman(string(from_)) != NULL) // cheek the way
valid = false;
}
if (valid)
ret[RET_INDEX] = VALID_MOVEMENT;
else // if (!valid)
ret[RET_INDEX] = INVALID_MOVEMENT;
}
else // if (LETTER_TO < LETTER_FROM)
{
for (int i = (int)LETTER_FROM - 1; i != (int)LETTER_TO; i--)
{
from_[LETTER_INDEX]--;
from_[NUM_INDEX]--;
if (game.hasChessman(string(from_)) != NULL) // cheek the way
valid = false;
}
if (valid)
ret[RET_INDEX] = VALID_MOVEMENT;
else // if (!valid)
ret[RET_INDEX] = INVALID_MOVEMENT;
}
}
else // if is not same remainder
{
bool valid = true;
bool found = false;
char from_[] = { LETTER_FROM, NUM_FROM };
if (LETTER_TO > LETTER_FROM)
{
for (int i = (int)LETTER_FROM + 1; i < (int)LETTER_TO; i++)
{
from_[LETTER_INDEX]++;
from_[NUM_INDEX]--;
if (game.hasChessman(string(from_)) != NULL) // cheek the way
valid = false;
}
if (valid)
ret[RET_INDEX] = VALID_MOVEMENT;
else // if (!valid)
ret[RET_INDEX] = INVALID_MOVEMENT;
}
else // if (LETTER_TO < LETTER_FROM)
{
for (int i = (int)LETTER_TO - 1; i > (int)LETTER_FROM; i--)
{
from_[LETTER_INDEX]--;
from_[NUM_INDEX]++;
if (game.hasChessman(string(from_)) != NULL) // cheek the way
valid = false;
}
if (valid)
ret[RET_INDEX] = VALID_MOVEMENT;
else // if (!valid)
ret[RET_INDEX] = INVALID_MOVEMENT;
}
}
}
}
else // if source and dest is same color
{
ret[RET_INDEX] = DEST_PLACE_INVALID;
}
}
else // if (TO == FROM)
{
ret[RET_INDEX] = SAME_SOURCE_AND_DEST;
}
return ret;
}