t_player *designate_target(void)
{
t_player *to_return;
to_return = target_from_msg();
if (to_return == NULL)
to_return = choose_target();
if (to_return != NULL)
send_message(get_current_player()->team, get_player_id(to_return));
return (to_return);
}
direction random_ai_player::next_move(const game_state gs) {
player me = gs.player_by_id(get_player_id());
float rand = std::generate_canonical<float, 32>(gen);
if (rand < .30) {
return me.get_direction();
}
rand = std::generate_canonical<float, 32>(gen);
if (rand < .25) {
return LEFT;
} else if (rand < .50) {
return RIGHT;
} else if (rand < .75) {
return UP;
} else {
return DOWN;
}
}
void build_response(battleship *game, message *msg_in, message *msg_out) {
unsigned type = get_message_type(msg_in);
int playerID = get_player_id(msg_in);
switch(game->state) {
case WAITING:
vprintf("game->state: WAITING\n");
switch(type) {
case JOIN:
if(game->sync == 2){
vprintf("game is already full!\n");
}
if((playerID = get_player_id(msg_in)) != 0){
if(game->sync){
game->sync = 0;
game->p2.uid = playerID;
}else{
game->sync = 1;
game->p1.uid = playerID;
}
}
vprintf("I want to join!\n");
msg_out->buf[0] = 1 - game->sync;
msg_out->len = 1;
break;
case POLL:
vprintf("got a poll!\n");
playerID = get_player_id(msg_in);
if(game->p1.uid == playerID){
msg_out->buf[0] = 1 - game->sync;
msg_out->len = 1;
if(!game->sync){
vprintf("going to SETUP state\n");
game->state = SETUP;
game->turn = rand() % 2;
}
}
break;
default:
vprintf("Something else.\n");
strncpy(msg_out->buf,"you are not welcome!",22);
msg_out->len = strlen(msg_out->buf);
break;
}
break;
case SETUP:
vprintf("game->state: SETUP\n");
switch(type){
case INIT:
{
board *new_board;
playerID = get_player_id(msg_in);
if(playerID == 0){
vprintf("bad packet\n");
return;
}else if(playerID == game->p1.uid){
if(!game->p1_board.setup){
vprintf("got init from p1\n");
new_board = &(game->p1_board);
}else{
vprintf("p1: no re-initialization!\n");
return;
}
}else if(playerID == game->p2.uid){
if(!game->p2_board.setup){
vprintf("got init from p2\n");
new_board = &(game->p2_board);
}else{
vprintf("p2: no re-initialization!\n");
return;
}
}else{
vprintf("unknown uid\n");
return;
}
int error;
if(error = setup_board(msg_in,new_board)){
vprintf("error making board!\n");
}else{
vprintf("board successfully created!\n");
int is_player1 = game->p1.uid == playerID;
game->sync = !game->sync;
msg_out->buf[0] = 1 - game->sync;
msg_out->buf[1] = (game->turn - is_player1) == 0;
msg_out->len = 2;
}
int i,j;
char *icons = "~#@";
for(i=0;i<BOARD_LEN;i++){
for(j=0;j<BOARD_LEN;j++){
vprintf("%c",icons[new_board->ships[i][j]]);
}
vprintf("\n");
}
}
break;
case POLL:
vprintf("got a poll!\n");
playerID = get_player_id(msg_in);
if(game->p1.uid == playerID || game->p2.uid == playerID){
int is_player1 = game->p1.uid == playerID;
msg_out->buf[0] = 1 - game->sync;
msg_out->buf[1] = (game->turn - is_player1) == 0;
msg_out->len = 2;
if(!game->sync){
vprintf("going to PLAY state\n");
game->state = PLAY;
}
}
break;
default:
vprintf("invalid packet type\n");
}
break;
case PLAY:
switch(type){
case MOVE:
{
player p = (game->turn)?game->p1:game->p2;
player other_p = (!(game->turn))?game->p1:game->p2;
board *bd = (game->turn)?&(game->p1_board):&(game->p2_board);
board *other_bd = (!(game->turn))?&(game->p1_board):&(game->p2_board);
playerID = get_player_id(msg_in);
if(playerID == p.uid){
vprintf("got a move from player %d\n",1 + game->sync);
int x, y;
x = msg_in->buf[6];
y = msg_in->buf[7];
if(bd->guesses[x][y] == NOTHING){
int hit = other_bd->ships[y][x] == SHIP;
bd->guesses[x][y] = 1 + hit;
other_bd->hits += hit;
msg_out->buf[0] = other_bd->hits == 17;
msg_out->buf[1] = hit;
game->turn = !game->turn;
game->last_guess_x = x;
game->last_guess_y = y;
}else{
msg_out->buf[0] = 0;
msg_out->buf[1] = -1;
}
msg_out->len = 2;
int i,j;
char *icons = "~#@";
for(i=0;i<BOARD_LEN;i++){
for(j=0;j<BOARD_LEN;j++){
vprintf("%c",icons[game->p1_board.ships[i][j]]);
}
vprintf(" ");
for(j=0;j<BOARD_LEN;j++){
vprintf("%c",icons[game->p2_board.ships[i][j]]);
}
vprintf("\n");
}
}else if(playerID == other_p.uid){
vprintf("got an out of turn move from player %d\n",1+game->turn);
msg_out->buf[0] = -1;
msg_out->len = 1;
}else{
vprintf("invalid uid\n");
}
break;
}
case POLL:
playerID = get_player_id(msg_in);
int done;
if(playerID == game->p1.uid){
vprintf("got a poll from player 1\n");
done = game->p1_board.hits == 17;
if(done) game->state = WAITING;
msg_out->buf[0] = done;
msg_out->buf[1] = game->turn;
msg_out->buf[2] = game->last_guess_x;
msg_out->buf[3] = game->last_guess_y;
msg_out->len = 4;
}else if(playerID == game->p2.uid){
vprintf("got a poll from player 2\n");
done = game->p2_board.hits == 17;
if(done) game->state = WAITING;
msg_out->buf[0] = done;
msg_out->buf[1] = !game->turn;
msg_out->buf[2] = game->last_guess_x;
msg_out->buf[3] = game->last_guess_y;
msg_out->len = 4;
}else{
vprintf("invalid uid\n");
}
if(msg_out->buf[0]){
memset(game,'\0',sizeof(*game));
game->state = WAITING;
}
break;
default:
break;
}
break;
case FINAL:
break;
default:
break;
}
}
