int String::myStrCmp(const char* str1, const char* str2)
{
int len1 = myStrLen(str1);
int len2 = myStrLen(str2);
if(len1 < len2)
return -1;
else if(len1 > len2)
return 1;
else
{
int index = 0;
while(str1[index] != '\0')
{
if(str1[index] < str2[index])
return -1;
else if (str1[index] > str2[index])
return 1;
else
continue;
}
return 0;
}
}
String& String::operator+=(const String& rhs)
{
length = myStrLen(data) + myStrLen(rhs.data);
myStrCat(data, rhs.data);
return *this;
}
void String::myStrCat(char*& str1, const char* str2)
{
char* result = new char[myStrLen(str1) + myStrLen(str2) + 1];
int length = 0;
for(int i = 0; str1[i] != '\0'; i++, length++)
result[length] = str1[i];
for(int i = 0; str2[i] != '\0'; i++, length++)
result[length] = str2[i];
result[length] = '\0';
delete[] str1;
str1 = result;
}
void String::myStrCpy(char*& destination, char* source)
{
int sourceLength = myStrLen(source);
this->data = new char[sourceLength + 1];
for(int i = 0; i <= sourceLength; i++)
destination[i] = source[i];
}
String& String::operator=(const String& other)
{
if(this != &other)
{
if(data != NULL)
delete[] data;
myStrCpy(data, other.data);
length = myStrLen(data);
}
return *this;
}
size_t my_printf(const char* str)
{
size_t rx_bytes;
size_t total = 0;
size_t len = 0;
int ret = 0;
if (str == NULL)
{
return (-1);
}
len = myStrLen(str);
do
{
ret = transmit(STDOUT, str + total, len - total, &rx_bytes);
if ( (ret != 0) )
{
_terminate(ret);
}
total += rx_bytes;
} while (total < len);
return (total);
}
int main(int argc, char *argv[]) {
char *str = "MALO MORI QUAM FOEDARI";
printf("The length of the string '%s' is: %d\n", str, myStrLen(str));
return 0;
}
int main(void)
{
PlayerState player0, player1; //2 players
int ret = 0;
int curPlayer = 0;
int bStarted = 0;
int bEnded = 0;
Command cmd;
//initialize
cmd.cmdNum = CMD_UNKNOWN;
clearPlayerState(&player0);
clearPlayerState(&player1);
while(1)
{
if (curPlayer == 0)
{
cgc_write(STDOUT, P0_PROMPT, myStrLen(P0_PROMPT));
}
else
{
cgc_write(STDOUT, P1_PROMPT, myStrLen(P1_PROMPT));
}
ret = getCommand(&cmd);
if (ret == 0) //if its okay
{
if (cmd.cmdNum == CMD_EXIT)
{
cgc_write(STDOUT, EXIT_MSG, myStrLen(EXIT_MSG));
//break;
}
else if (cmd.cmdNum == CMD_NEW)
{
cmd.cmdNum = CMD_UNKNOWN;
clearPlayerState(&player0);
clearPlayerState(&player1);
curPlayer = 0;
bStarted = 0;
bEnded = 0;
continue;
}
else if (cmd.cmdNum == CMD_HELP)
{
cgc_write(STDOUT, HELP_MSG, myStrLen(HELP_MSG));
}
else if (bEnded)
{
cgc_write(STDOUT, GAME_ALREADY_ENDED_MSG, myStrLen(GAME_ALREADY_ENDED_MSG));
}
else if (cmd.cmdNum == CMD_MAP)
{
if (curPlayer == 0)
{
dumpBoard(&player0);
}
else
{
dumpBoard(&player1);
}
}
else if (cmd.cmdNum == CMD_START)
{
if (bStarted)
{
cgc_write(STDOUT, GAME_ALREADY_STARTED_MSG, myStrLen(GAME_ALREADY_STARTED_MSG));
}
else
{
bStarted = 1;
}
}
else if (cmd.cmdNum == CMD_PLACE)
{
if (bStarted)
{
cgc_write(STDOUT, GAME_ALREADY_STARTED_MSG, myStrLen(GAME_ALREADY_STARTED_MSG));
}
else
{
if (curPlayer == 0)
{
ret = processPlace(&player0, &cmd);
}
else
{
ret = processPlace(&player1, &cmd);
}
if (ret == 0)
{
//swap players
curPlayer = (curPlayer == 0) ? 1 : 0;
}
else
{
cgc_write(STDOUT, BAD_COMMAND_MSG, myStrLen(BAD_COMMAND_MSG));
}
}
}
else if (cmd.cmdNum == CMD_TARGET)
{
if (!bStarted)
{
cgc_write(STDOUT, GAME_NOT_STARTED_MSG, myStrLen(GAME_NOT_STARTED_MSG));
}
else
{
if (curPlayer == 0)
{
ret = processTarget(&player1, &cmd);
}
else
{
ret = processTarget(&player0, &cmd);
}
if (ret == 0)
{
//see if the current player won
if (curPlayer == 0)
{
if (allShipsSunk(&player1))
{
cgc_write(STDOUT, YOU_WIN_MSG, myStrLen(YOU_WIN_MSG));
bStarted = 0;
bEnded = 1;
}
}
else
{
if (allShipsSunk(&player0))
{
cgc_write(STDOUT, YOU_WIN_MSG, myStrLen(YOU_WIN_MSG));
bStarted = 0;
bEnded = 1;
}
}
//swap players
curPlayer = (curPlayer == 0) ? 1 : 0;
}
else
{
cgc_write(STDOUT, BAD_COMMAND_MSG, myStrLen(BAD_COMMAND_MSG));
}
}
}
}
else if (ret == -1)
{
cgc_write(STDOUT, BAD_COMMAND_MSG, myStrLen(BAD_COMMAND_MSG));
}
else if (ret == -2) //cgc_read error
{
cgc_write(STDOUT, READ_ERROR_MSG, myStrLen(READ_ERROR_MSG));
break;
}
}
return (0);
}
int processTarget(PlayerState* ps, Command* cmd)
{
if ( (ps == NULL) || (cmd == NULL) )
{
return (-1);
}
//check and convert the row and column fields
if ( !isGoodRow(cmd->row) || !isGoodCol(cmd->col) )
{
return (-1);
}
//should I make this extremely explicit?
if ( ps->board[ROW_TO_NUM(cmd->row)][COL_TO_NUM(cmd->col)] == SHIP2 )
{
ps->board[ROW_TO_NUM(cmd->row)][COL_TO_NUM(cmd->col)] = HIT_CELL;
ps->ship2Life--;
cgc_write(STDOUT, HIT_MSG, myStrLen(HIT_MSG));
if (ps->ship2Life == 0)
{
cgc_write(STDOUT, SHIP2_SUNK_MSG, myStrLen(SHIP2_SUNK_MSG));
}
}
else if ( ps->board[ROW_TO_NUM(cmd->row)][COL_TO_NUM(cmd->col)] == SHIP3 )
{
ps->board[ROW_TO_NUM(cmd->row)][COL_TO_NUM(cmd->col)] = HIT_CELL;
ps->ship3Life--;
cgc_write(STDOUT, HIT_MSG, myStrLen(HIT_MSG));
if (ps->ship3Life == 0)
{
cgc_write(STDOUT, SHIP3_SUNK_MSG, myStrLen(SHIP3_SUNK_MSG));
}
}
else if ( ps->board[ROW_TO_NUM(cmd->row)][COL_TO_NUM(cmd->col)] == SHIP4 )
{
ps->board[ROW_TO_NUM(cmd->row)][COL_TO_NUM(cmd->col)] = HIT_CELL;
ps->ship4Life--;
cgc_write(STDOUT, HIT_MSG, myStrLen(HIT_MSG));
if (ps->ship4Life == 0)
{
cgc_write(STDOUT, SHIP4_SUNK_MSG, myStrLen(SHIP4_SUNK_MSG));
}
}
else if ( ps->board[ROW_TO_NUM(cmd->row)][COL_TO_NUM(cmd->col)] == SHIP5 )
{
ps->board[ROW_TO_NUM(cmd->row)][COL_TO_NUM(cmd->col)] = HIT_CELL;
ps->ship5Life--;
cgc_write(STDOUT, HIT_MSG, myStrLen(HIT_MSG));
if (ps->ship5Life == 0)
{
cgc_write(STDOUT, SHIP5_SUNK_MSG, myStrLen(SHIP5_SUNK_MSG));
}
}
else
{
cgc_write(STDOUT, MISSED_MSG, myStrLen(MISSED_MSG));
}
return (0);
}
String::String(char* data)
{
myStrCpy(this->data, data);
length = myStrLen(this->data);
}