void engine_gameroom_process_map_changes(engine *p, game_room *p_gr) {
int i, n = 0;
warzone *p_wz = &p_gr->zone;
network_command_prepare(p->p_cmd_out, NCT_MAP_BLOCK_CHANGES);
network_command_append_byte(p->p_cmd_out, 0);
for (i = 0; i < p_wz->map_change_count; i++) {
if (p->p_cmd_out->length + NETWORK_COMMAND_BLOCK_CHANGE_LENGTH >= NETWORK_COMMAND_DATA_LENGTH) {
write_hex_byte(p->p_cmd_out->data, n);
engine_bc_command(p, p_gr, p->p_cmd_out);
network_command_prepare(p->p_cmd_out, NCT_MAP_BLOCK_CHANGES);
n = 0;
}
network_command_append_short(p->p_cmd_out, p_wz->map_change_buffer[i].x);
network_command_append_short(p->p_cmd_out, p_wz->map_change_buffer[i].y);
network_command_append_char(p->p_cmd_out, char_from_num(p_wz->map_change_buffer[i].b));
n++;
}
if (n > 0) {
write_hex_byte(p->p_cmd_out->data, n);
engine_bc_command(p, p_gr, p->p_cmd_out);
}
p_wz->map_change_count = 0;
}
void cmd_reply(u08 cmd, u08 num)
{
write_begin();
write_cmd(cmd);
write_hex_byte(num);
write_end();
}
/* send a status reply */
void cmd_status(u08 status)
{
write_begin();
write_cmd(':');
write_hex_byte(status);
write_end();
}
int _engine_authorize_connection(engine *p, network_command cmd) {
net_client* p_cli;
network_command cmd_out;
my_byte reintroduce;
int socket = cmd.origin_socket;
if (cmd.type != NCT_LEAD_INTRODUCE) {
glog(LOG_FINE, "Authorization of connection %02d failed because command"
"type was not correct. Expected %d, got %d", socket, NCT_LEAD_INTRODUCE, cmd.type);
return 1;
}
if (cmd.length < 2) {
glog(LOG_FINE, "Authorization of connection %02d failed because command"
" was too short", socket);
return 1;
}
reintroduce = read_hex_byte(cmd.data);
if (reintroduce) {
p_cli = engine_client_by_secret(p, cmd.data + 2);
if (p_cli == NULL) {
reintroduce = 0;
} else {
if (p_cli->status != NET_CLIENT_STATUS_DISCONNECTED) {
glog(LOG_FINE, "Reauthorization of connection %02d failed "
"because command client is not disconnected", socket);
return 1;
}
}
}
if (!reintroduce) {
p_cli = engine_first_free_client_offset(p);
}
if (p_cli == NULL) {
glog(LOG_FINE, "Authorization of socket %02d failed because there"
"was no more room for new client", socket);
return 1;
}
p->resources->con_to_cli[socket] = p_cli - p->resources->clients;
if (!reintroduce) {
net_client_init(p_cli, p->resources->connections + socket);
strrand(p_cli->connection_secret, NET_CLIENT_SECRET_LENGTH);
p_cli->connection_secret[NET_CLIENT_SECRET_LENGTH] = '\0';
p_cli->room_id = ITEM_EMPTY;
} else {
p_cli->connection = p->resources->connections + socket;
}
p_cli->status = NET_CLIENT_STATUS_CONNECTED;
network_command_prepare(&cmd_out, NCT_LEAD_INTRODUCE);
write_hex_byte(cmd_out.data, reintroduce);
memcpy(cmd_out.data + 2, p_cli->connection_secret, NET_CLIENT_SECRET_LENGTH);
netadapter_send_command(p->p_netadapter, p_cli->connection, &cmd_out);
if (reintroduce) {
_engine_authorize_reconnect(p, p_cli);
} else {
glog(LOG_INFO, "Connection %02d authorized as client %02d", socket, p->resources->con_to_cli[socket]);
}
return 0;
}