void update_hp(int hp)
{
if(hp > hp_current) {
printf_message(COLOR_HP_GOOD, "You gain %d hp.", hp - hp_current);
} else if(hp < hp_current) {
printf_message(COLOR_HP_CRIT, "You lose %d hp.", hp_current - hp, hp_current, hp);
}
hp_current = hp;
}
void play_press()
{
struct disc_status status;
if(!disc_present)
return;
cd_poll(cd_fd, &status);
switch(status.status_mode) {
case CDAUDIO_PLAYING:
print_message("Paused");
break;
case CDAUDIO_PAUSED:
print_message("Resuming");
break;
default:
if(valid_cddb)
printf_message("Playing track %d: %s", play_track, data.data_track[play_track - 1].track_name);
else
printf_message("Playing track %d", play_track);
}
}
void adv_release()
{
if(!disc_present)
return;
if(disc_playing) {
if(play_track + 1 > disc.disc_total_tracks) {
print_message("Stopped");
cd_stop(cd_fd);
} else {
if(valid_cddb)
printf_message("Playing track %d: %s", play_track + 1, data.data_track[play_track].track_name);
else
printf_message("Playing track %d", play_track + 1);
cd_play(cd_fd, play_track + 1);
}
} else {
if(play_track + 1 <= disc.disc_total_tracks)
play_track++;
}
usleep(200000);
}
void prev_release()
{
if(!disc_present)
return;
if(disc_playing) {
if(play_track - 1 < disc.disc_first_track) {
print_message("Stopped");
cd_stop(cd_fd);
} else {
if(valid_cddb)
printf_message("Playing track %d: %s", play_track - 1, data.data_track[play_track - 2].track_name);
else
printf_message("Playing track %d", play_track - 1);
cd_play(cd_fd, play_track - 1);
}
} else {
if(play_track - 1 >= disc.disc_first_track)
play_track--;
}
usleep(200000);
}
void player_act()
{
switch(get_last_action()) {
case ACTION_TILL:
till(x, y, current_map);
break;
case ACTION_PICKUP: {
item* it = get_item(items_at(x, y, current_map), item_count_at(x, y, current_map), PURPOSE_PICKUP, true);
if(!it)
break;
printf_message(COLOR_DEFAULT, "Picked up %d %s", it->count, it->name);
callback("picked_up", it->script_state);
take_item(x, y, it, current_map);
add_item(it);
} break;
case ACTION_DROP: {
item* it = get_item(inventory, item_count, PURPOSE_DROP, false);
if(!it)
break;
if(it->can_equip && equipment[it->slot] == it) {
equipment[it->slot] = 0;
printf_message(COLOR_DEFAULT, "You unequip the %s, and drop it on the ground.", it->name);
callback("removed", it->script_state);
}
item* clone = clone_item(it);
callback("dropped", clone->script_state);
place_item(x, y, clone, current_map);
remove_item(it, -1);
} break;
case ACTION_APPLY: {
item* it = get_item(inventory, item_count, PURPOSE_APPLY, false);
if(!it)
break;
callback("apply", it->script_state);
remove_item(it, 1);
} break;
case ACTION_EQUIP: {
item* it = get_item(inventory, item_count, PURPOSE_EQUIP, false);
if(!it || it->slot == SLOT_INVALID)
break;
callback("equip", it->script_state);
printf_message(COLOR_DEFAULT, "You equip the %s.", it->name);
equipment[it->slot] = it;
break; }
case ACTION_REMOVE: {
item* it = get_item(equipment, 3, PURPOSE_REMOVE, false);
if(!it)
break;
callback("remove", it->script_state);
equipment[it->slot] = 0;
printf_message(COLOR_DEFAULT, "You unequip the %s.", it->name);
break; }
case ACTION_PLANT: {
if(!can_plant(x, y, current_map, true))
break;
item* it = get_item(inventory, item_count, PURPOSE_PLANT, false);
if(!it)
break;
if(spawn_plant(x, y, it->plant_id, current_map)) {
printf_message(COLOR_DEFAULT, "You plant the %s in the tilled soil.", it->name);
remove_item(it, 1);
}
break; }
case ACTION_HARVEST: {
add_item(harvest_plant(x, y, current_map));
break; }
case ACTION_HELP:
show_controls();
break;
case ACTION_INVENTORY:
get_item(inventory, item_count, PURPOSE_NONE, false);
break;
case ACTION_WATER:
water_tile(x, y, current_map);
break;
case ACTION_EXAMINE: {
int mx, my;
get_last_mouse_position(&mx, &my);
int xdiff = mx - pres_x;
int ydiff = my - pres_y;
if(mx < 1 || my < 1 || mx > 78 || my > 78)
break;
examine(x + xdiff, y +ydiff, current_map);
} break;
}
if(ep_current <= 0)
add_message(COLOR_EP_CRIT, "Out of energy, you fall to the ground.");
}
void player_move(int direction)
{
int dx = 0;
int dy = 0;
switch(direction) {
case DIRECTION_NORTH:
dy = -1;
break;
case DIRECTION_SOUTH:
dy = 1;
break;
case DIRECTION_EAST:
dx = 1;
break;
case DIRECTION_WEST:
dx = -1;
break;
case DIRECTION_NORTHEAST:
dx = 1;
dy = -1;
break;
case DIRECTION_NORTHWEST:
dx = -1;
dy = -1;
break;
case DIRECTION_SOUTHEAST:
dx = 1;
dy = 1;
break;
case DIRECTION_SOUTHWEST:
dx = -1;
dy = 1;
break;
case DIRECTION_UP:
if(z > 0 && is_up_stairs(x, y, current_map))
z--;
return;
case DIRECTION_DOWN:
if(z < LEVEL_COUNT - 1 && is_down_stairs(x, y, current_map))
z++;
return;
}
int res = can_move(x + dx, y + dy, current_map);
if(res == 1) {
x += dx;
y += dy;
int cost = 1 + get_cost(x, y, current_map);
if(dx != 0 && dy != 0)
cost *= 1.5;
ep_current -= cost;
if(ep_current <= 0)
add_message(COLOR_EP_CRIT, "Out of energy, you fall to the ground.");
else
describe_ground(x, y, current_map);
} else if(res == 2) {
actor* act = get_actor_at(x + dx, y + dy, current_map);
int astr = str;
for(int i = 0; i < SLOT_COUNT; ++i)
if(equipment[i])
astr += equipment[i]->str;
int dmg = damage_actor(act, astr);
char* damage_text = 0;
if(dmg > 0) {
int len = snprintf(0, 0, "You hit the %s for %d damage", act->name, dmg);
damage_text = calloc(len + 1, sizeof(char));
snprintf(damage_text, len + 1, "You hit the %s for %d damage", act->name, dmg);
} else {
int len = snprintf(0, 0, "You miss the %s", act->name);
damage_text = calloc(len + 1, sizeof(char));
snprintf(damage_text, len + 1, "You miss the %s", act->name);
}
if(act->hp <= 0) {
printf_message(COLOR_DEFAULT, "You kill the %s!", act->name);
add_xp(act->xp);
} else
add_message(COLOR_DEFAULT, damage_text);
free(damage_text);
}
}
int main()
{
int listenfd = INVALID_SOCKET;
if((listenfd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
{
perror("socket");
return -1;
}
struct sockaddr_in sa;
memset(&sa, 0, sizeof(sa));
sa.sin_family = AF_INET;
sa.sin_port = htons(8998);
sa.sin_addr.s_addr = INADDR_ANY;
//if(inet_pton(AF_INET, "127.0.0.1", &sa.sin_addr.s_addr) != 1) {
// fprintf(stderr, "inet_pton maybe failed.\n");
// return -2;
//}
if(make_socket_reusable(listenfd) == -1)
{
printf("[%8d(sfd)] Make socket reusable failed\n", listenfd);
}
if(make_socket_non_blocking(listenfd) == -1)
{
printf("Make socket nonblock failed\n");
return -1;
}
if(bind(listenfd, (struct sockaddr*)&sa, sizeof(struct sockaddr_in)) == -1)
{
perror("bind");
return -3;
}
if(listen(listenfd, SOMAXCONN) == -1)
{
perror("listen ");
return -4;
}
printf_address(listenfd, (struct sockaddr*)&sa, sizeof(sa), "Listen on");
/* use epoll LT */
int epfd = epoll_create1(0);
if(epfd == -1) {
perror("epoll_create1");
return -5;
}
struct epoll_event ev;
ev.events = EPOLLIN;
ev.data.fd = listenfd;
if(-1 == epoll_ctl(epfd, EPOLL_CTL_ADD, listenfd, &ev)) {
perror("epoll_ctl");
return -1;
}
while(1) {
struct epoll_event events[MAXEVENTS] ;
int n = epoll_wait(epfd, events, MAXEVENTS, -1);
for(int i = 0; i < n; i++) {
uint32_t event = events[i].events;
if(event & (EPOLLERR | EPOLLHUP)) {
printf("EPOLLERR | EPOLLHUP\n");
int fd = events[i].data.fd;
close(fd);
conns.erase(fd);
} else if(event & EPOLLIN) {
printf("EPOLLIN\n");
if(events[i].data.fd == listenfd) {
//printf("listenfd\n");
/* listenfd*/
struct sockaddr_in sa_client;
socklen_t sa_client_len = sizeof(sa_client);
int connfd = accept(listenfd, (struct sockaddr*)&sa_client, &sa_client_len);
//if(connfd == -1) {
// perror("accept ");
// continue;
//}
if(make_socket_non_blocking(connfd) == -1) {
printf("Make socket nonblock failed\n");
close(connfd);
continue;
}
printf_address(connfd, (struct sockaddr*)&sa_client, sa_client_len, "Accept");
/* Register EPOLLIN on connfd */
struct epoll_event ev;
ev.events = EPOLLIN;
ev.data.fd= connfd;
if(-1 == epoll_ctl(epfd, EPOLL_CTL_ADD, connfd, &ev)) {
perror("epoll_ctl");
close(connfd);
}
} else {
//printf("connfd\n");
/* connfd */
int connfd = events[i].data.fd;
Connection& conn = conns[connfd]; /* the [] of map will do insert when not exist */
int n = recv(connfd, conn.recv_buff + conn.recv_len, sizeof(conn.recv_buff) - conn.recv_len, 0);
if(n == -1) {
if(errno == EAGAIN || errno == EWOULDBLOCK) {
continue;
}else if(errno == EINTR) {
n = 0;
continue;
} else {
perror("recv");
printf("[%8d]Error, Close the connection.\n", connfd);
close(connfd);
conns.erase(connfd);
continue;
}
} else if(n == 0) { /* client close the connection */
printf("[%8d]Client close the connection.\n", connfd);
close(connfd);
conns.erase(connfd); /* remove the buffer */
continue;
}
printf_message(connfd, conn.recv_buff + conn.recv_len, n);
conn.recv_len += n;
/* send the data back to client */
/* Register EPOLLOUT */
struct epoll_event ev;
ev.events = EPOLLIN | EPOLLOUT;
ev.data.fd= connfd;
if(-1 == epoll_ctl(epfd, EPOLL_CTL_MOD, connfd, &ev)) {
perror("epoll_ctl");
close(connfd);
conns.erase(connfd);
}
}
} else if(event & EPOLLOUT) {
printf("EPOLLOUT\n");
int connfd = events[i].data.fd;
Connection& conn = conns[connfd]; /* the [] of map will do insert when not exist */
int left = conn.recv_len - conn.send_len;
int error_occur = 0;
while(left > 0) {
int n = send(connfd, conn.recv_buff + conn.send_len, left, 0);
if(n == -1) {
if(errno == EAGAIN || errno == EWOULDBLOCK) {
break;
} else if(errno == EINTR) {
continue;
} else {
perror("send");
error_occur = 1;
break;
}
}
left -= n;
conn.send_len += n;
}
/* send finished or error occurs, reset the client_data or free the client_data and close the connfd */
if(left == 0 || error_occur ) {
if(left == 0) {
printf("Send finised\n");
conn.recv_len = conn.send_len = 0;
/* Unregister EPOLLOUT */
struct epoll_event ev;
ev.events = EPOLLIN;
ev.data.fd = connfd;
if(-1 == epoll_ctl(epfd, EPOLL_CTL_MOD, connfd, &ev)) {
perror("epoll_ctl");
close(connfd);
conns.erase(connfd);
}
} else {
printf("Error occurs, close the connection.\n");
conns.erase(connfd);
close(connfd); /* when close there is a EPOLL_CTL_DEL automatically. */
}
}
} else {
printf("Unknown event: 0x%X\n", event);
}
}
}
}
