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void
send2(bool rel, int cn, int a, int b)
{
ENetPacket *packet =
enet_packet_create(NULL, 32, rel ? ENET_PACKET_FLAG_RELIABLE : 0);
uchar *start = packet->data;
uchar *p = start + 2;
putint(p, a);
putint(p, b);
putint(&p, a);
putint(&p, b);
*(ushort *)start = ENET_HOST_TO_NET_16(p - start);
enet_packet_resize(packet, p - start);
if (cn < 0)
process(packet, -1);
else
send(cn, packet);
if (packet->referenceCount == 0)
enet_packet_destroy(packet);
}
void
sendservmsg(OFString *msg)
{
ENetPacket *packet = enet_packet_create(
NULL, _MAXDEFSTR + 10, ENET_PACKET_FLAG_RELIABLE);
uchar *start = packet->data;
uchar *p = start + 2;
putint(p, SV_SERVMSG);
sendstring(msg, p);
putint(&p, SV_SERVMSG);
sendstring(msg, &p);
*(ushort *)start = ENET_HOST_TO_NET_16(p - start);
enet_packet_resize(packet, p - start);
multicast(packet, -1);
if (packet->referenceCount == 0)
enet_packet_destroy(packet);
}
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uchar *end = packet->data + packet->dataLength;
uchar *p = packet->data + 2;
char text[MAXTRANS];
int cn = -1, type;
while (p < end) {
switch ((type = getint(p))) {
switch ((type = getint(&p))) {
case SV_TEXT:
sgetstr();
break;
case SV_INITC2S:
sgetstr();
clients[cn].name = @(text);
sgetstr();
getint(p);
getint(&p);
break;
case SV_MAPCHANGE: {
sgetstr();
int reqmode = getint(p);
int reqmode = getint(&p);
if (reqmode < 0)
reqmode = 0;
if (smapname.length > 0 && !mapreload &&
!vote(@(text), reqmode, sender))
return;
mapreload = false;
mode = reqmode;
minremain = mode & 1 ? 15 : 10;
mapend = lastsec + minremain * 60;
interm = 0;
smapname = @(text);
resetitems();
sender = -1;
break;
}
case SV_ITEMLIST: {
int n;
while ((n = getint(p)) != -1)
while ((n = getint(&p)) != -1)
if (notgotitems) {
while (sents.count <= n)
[sents addObject:[ServerEntity
entity]];
sents[n].spawned = true;
}
notgotitems = false;
break;
}
case SV_ITEMPICKUP: {
int n = getint(p);
pickup(n, getint(p), sender);
int n = getint(&p);
pickup(n, getint(&p), sender);
break;
}
case SV_PING:
send2(false, cn, SV_PONG, getint(p));
send2(false, cn, SV_PONG, getint(&p));
break;
case SV_POS: {
cn = getint(p);
cn = getint(&p);
if (cn < 0 || cn >= clients.count ||
clients[cn].type == ST_EMPTY) {
disconnect_client(sender, @"client num");
return;
}
int size = msgsizelookup(type);
assert(size != -1);
loopi(size - 2) getint(p);
loopi(size - 2) getint(&p);
break;
}
case SV_SENDMAP: {
sgetstr();
int mapsize = getint(p);
int mapsize = getint(&p);
sendmaps(sender, @(text), mapsize, p);
return;
}
case SV_RECVMAP:
send(sender, recvmap(sender));
return;
// allows for new features that require no server updates
case SV_EXT:
for (int n = getint(p); n; n--)
getint(p);
for (int n = getint(&p); n; n--)
getint(&p);
break;
default: {
int size = msgsizelookup(type);
if (size == -1) {
disconnect_client(sender, @"tag type");
return;
}
loopi(size - 1) getint(p);
loopi(size - 1) getint(&p);
}
}
}
if (p > end) {
disconnect_client(sender, @"end of packet");
return;
}
multicast(packet, sender);
}
void
send_welcome(int n)
{
ENetPacket *packet =
enet_packet_create(NULL, MAXTRANS, ENET_PACKET_FLAG_RELIABLE);
uchar *start = packet->data;
__block uchar *p = start + 2;
putint(p, SV_INITS2C);
putint(p, n);
putint(p, PROTOCOL_VERSION);
putint(p, *smapname.UTF8String);
sendstring(serverpassword, p);
putint(p, clients.count > maxclients);
putint(&p, SV_INITS2C);
putint(&p, n);
putint(&p, PROTOCOL_VERSION);
putint(&p, *smapname.UTF8String);
sendstring(serverpassword, &p);
putint(&p, clients.count > maxclients);
if (smapname.length > 0) {
putint(p, SV_MAPCHANGE);
sendstring(smapname, p);
putint(p, mode);
putint(p, SV_ITEMLIST);
putint(&p, SV_MAPCHANGE);
sendstring(smapname, &p);
putint(&p, mode);
putint(&p, SV_ITEMLIST);
[sents enumerateObjectsUsingBlock:^(
ServerEntity *e, size_t i, bool *stop) {
if (e.spawned)
putint(p, i);
putint(&p, i);
}];
putint(p, -1);
putint(&p, -1);
}
*(ushort *)start = ENET_HOST_TO_NET_16(p - start);
enet_packet_resize(packet, p - start);
send(n, packet);
}
void
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