void acceptmove(void)
{
int ta;
int ma;
char af;
int moved = 0;
int vma, dir;
char prompt[60];
char buf[60], last = '\0';
char *p;
if (!mc->crew3 || snagged(ms) || !windspeed) {
Msg("Unable to move");
return;
}
ta = maxturns(ms, &af);
ma = maxmove(ms, mf->dir, 0);
sprintf(prompt, "move (%d,%c%d): ", ma, af ? '\'' : ' ', ta);
sgetstr(prompt, buf, sizeof buf);
dir = mf->dir;
vma = ma;
for (p = buf; *p; p++)
switch (*p) {
case 'l':
dir -= 2;
case 'r':
if (++dir == 0)
dir = 8;
else if (dir == 9)
dir = 1;
if (last == 't') {
Msg("Ship can't turn that fast.");
*p-- = '\0';
}
last = 't';
ma--;
ta--;
vma = min(ma, maxmove(ms, dir, 0));
if ((ta < 0 && moved) || (vma < 0 && moved))
*p-- = '\0';
break;
case 'b':
ma--;
vma--;
last = 'b';
if ((ta < 0 && moved) || (vma < 0 && moved))
*p-- = '\0';
break;
case '0':
case 'd':
*p-- = '\0';
break;
case '\n':
*p-- = '\0';
break;
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
if (last == '0') {
Msg("Can't move that fast.");
*p-- = '\0';
}
last = '0';
moved = 1;
ma -= *p - '0';
vma -= *p - '0';
if ((ta < 0 && moved) || (vma < 0 && moved))
*p-- = '\0';
break;
default:
if (!isspace((unsigned char) *p)) {
Msg("Input error.");
*p-- = '\0';
}
}
if ((ta < 0 && moved) || (vma < 0 && moved)
|| (af && turnfirst(buf) && moved)) {
Msg("Movement error.");
if (ta < 0 && moved) {
if (mf->FS == 1) {
Write(W_FS, ms, 0, 0, 0, 0);
Msg("No hands to set full sails.");
}
} else if (ma >= 0)
buf[1] = '\0';
}
if (af && !moved) {
if (mf->FS == 1) {
Write(W_FS, ms, 0, 0, 0, 0);
Msg("No hands to set full sails.");
}
}
if (*buf)
strcpy(movebuf, buf);
else
strcpy(movebuf, "d");
Writestr(W_MOVE, ms, movebuf);
Msg("Helm: %s.", movebuf);
}
void localservertoclient(uchar *buf, int len) // processes any updates from the server
{
if(ENET_NET_TO_HOST_16(*(ushort *)buf)!=len) neterr("packet length");
incomingdemodata(buf, len);
uchar *end = buf+len;
uchar *p = buf+2;
char text[MAXTRANS];
int cn = -1, type;
dynent *d = NULL;
bool mapchanged = false;
while(p<end) switch(type = getint(p))
{
case SV_INITS2C: // welcome messsage from the server
{
cn = getint(p);
int prot = getint(p);
if(prot!=PROTOCOL_VERSION)
{
conoutf("you are using a different game protocol (you: %d, server: %d)", PROTOCOL_VERSION, prot);
disconnect();
return;
};
toservermap[0] = 0;
clientnum = cn; // we are now fully connected
if(!getint(p)) strcpy_s(toservermap, getclientmap()); // we are the first client on this server, set map
sgetstr();
if(text[0] && strcmp(text, clientpassword))
{
conoutf("you need to set the correct password to join this server!");
disconnect();
return;
};
if(getint(p)==1)
{
conoutf("server is FULL, disconnecting..");
};
break;
};
case SV_POS: // position of another client
{
cn = getint(p);
d = getclient(cn);
if(!d) return;
d->o.x = getint(p)/DMF;
d->o.y = getint(p)/DMF;
d->o.z = getint(p)/DMF;
d->yaw = getint(p)/DAF;
d->pitch = getint(p)/DAF;
d->roll = getint(p)/DAF;
d->vel.x = getint(p)/DVF;
d->vel.y = getint(p)/DVF;
d->vel.z = getint(p)/DVF;
int f = getint(p);
d->strafe = (f&3)==3 ? -1 : f&3;
f >>= 2;
d->move = (f&3)==3 ? -1 : f&3;
d->onfloor = (f>>2)&1;
int state = f>>3;
if(state==CS_DEAD && d->state!=CS_DEAD) d->lastaction = lastmillis;
d->state = state;
if(!demoplayback) updatepos(d);
break;
};
case SV_SOUND:
playsound(getint(p), &d->o);
break;
case SV_TEXT:
sgetstr();
conoutf("%s:\f %s", d->name, text);
break;
case SV_MAPCHANGE:
sgetstr();
changemapserv(text, getint(p));
mapchanged = true;
break;
case SV_ITEMLIST:
{
int n;
if(mapchanged) { senditemstoserver = false; resetspawns(); };
while((n = getint(p))!=-1) if(mapchanged) setspawn(n, true);
break;
};
case SV_MAPRELOAD: // server requests next map
{
getint(p);
sprintf_sd(nextmapalias)("nextmap_%s", getclientmap());
char *map = getalias(nextmapalias); // look up map in the cycle
changemap(map ? map : getclientmap());
break;
};
case SV_INITC2S: // another client either connected or changed name/team
{
sgetstr();
if(d->name[0]) // already connected
{
if(strcmp(d->name, text))
conoutf("%s is now known as %s", d->name, text);
}
else // new client
{
c2sinit = false; // send new players my info again
conoutf("connected: %s", text);
};
strcpy_s(d->name, text);
sgetstr();
strcpy_s(d->team, text);
d->lifesequence = getint(p);
break;
};
case SV_CDIS:
cn = getint(p);
if(!(d = getclient(cn))) break;
conoutf("player %s disconnected", d->name[0] ? d->name : "[incompatible client]");
zapdynent(players[cn]);
break;
case SV_SHOT:
{
int gun = getint(p);
vec s, e;
s.x = getint(p)/DMF;
s.y = getint(p)/DMF;
s.z = getint(p)/DMF;
e.x = getint(p)/DMF;
e.y = getint(p)/DMF;
e.z = getint(p)/DMF;
if(gun==GUN_SG) createrays(s, e);
shootv(gun, s, e, d);
break;
};
case SV_DAMAGE:
{
int target = getint(p);
int damage = getint(p);
int ls = getint(p);
if(target==clientnum) { if(ls==player1->lifesequence) selfdamage(damage, cn, d); }
else playsound(S_PAIN1+rnd(5), &getclient(target)->o);
break;
};
case SV_DIED:
{
int actor = getint(p);
if(actor==cn)
{
conoutf("%s suicided", d->name);
}
else if(actor==clientnum)
{
int frags;
if(isteam(player1->team, d->team))
{
frags = -1;
conoutf("you fragged a teammate (%s)", d->name);
}
else
{
frags = 1;
conoutf("you fragged %s", d->name);
};
addmsg(1, 2, SV_FRAGS, player1->frags += frags);
}
else
{
dynent *a = getclient(actor);
if(a)
{
if(isteam(a->team, d->name))
{
conoutf("%s fragged his teammate (%s)", a->name, d->name);
}
else
{
conoutf("%s fragged %s", a->name, d->name);
};
};
};
playsound(S_DIE1+rnd(2), &d->o);
d->lifesequence++;
break;
};
case SV_FRAGS:
players[cn]->frags = getint(p);
break;
case SV_ITEMPICKUP:
setspawn(getint(p), false);
getint(p);
break;
case SV_ITEMSPAWN:
{
uint i = getint(p);
setspawn(i, true);
if(i>=(uint)ents.length()) break;
vec v = { ents[i].x, ents[i].y, ents[i].z };
playsound(S_ITEMSPAWN, &v);
break;
};
case SV_ITEMACC: // server acknowledges that I picked up this item
realpickup(getint(p), player1);
break;
case SV_PING:
getint(p);
break;
case SV_PONG:
addmsg(0, 2, SV_CLIENTPING, player1->ping = (player1->ping*5+lastmillis-getint(p))/6);
break;
case SV_CLIENTPING:
players[cn]->ping = getint(p);
break;
case SV_GAMEMODE:
nextmode = getint(p);
break;
case SV_TIMEUP:
timeupdate(getint(p));
break;
case SV_RECVMAP:
{
sgetstr();
conoutf("received map \"%s\" from server, reloading..", text);
int mapsize = getint(p);
writemap(text, mapsize, p);
p += mapsize;
changemapserv(text, gamemode);
break;
};
case SV_SERVMSG:
sgetstr();
conoutf("%s", text);
break;
case SV_EXT: // so we can messages without breaking previous clients/servers, if necessary
{
for(int n = getint(p); n; n--) getint(p);
break;
};
default:
neterr("type");
return;
};
};
// server side processing of updates: does very little and most state is tracked
// client only could be extended to move more gameplay to server (at expense of
// lag)
void process(ENetPacket * packet, int sender) { // sender may be -1
const u16 len = *(u16*) packet->data;
if (ENET_NET_TO_HOST_16(len)!=packet->dataLength) {
disconnect_client(sender, "packet length");
return;
}
u8 *end = packet->data+packet->dataLength;
u8 *p = packet->data+2;
char text[MAXTRANS];
int cn = -1, type;
while (p<end) switch (type = getint(p)) {
case SV_TEXT:
sgetstr();
break;
case SV_INITC2S:
sgetstr();
strcpy_s(clients[cn].name, text);
sgetstr();
getint(p);
break;
case SV_MAPCHANGE: {
sgetstr();
int reqmode = getint(p);
if (reqmode<0) reqmode = 0;
if (smapname[0] && !mapreload && !vote(text, reqmode, sender)) return;
mapreload = false;
mode = reqmode;
minremain = mode&1 ? 15 : 10;
mapend = lastsec+minremain*60;
interm = 0;
strcpy_s(smapname, text);
resetitems();
sender = -1;
}
break;
case SV_ITEMLIST: {
int n;
while ((n = getint(p))!=-1) if (notgotitems) {
server_entity se = { false, 0 };
while (sents.size()<=n) sents.push_back(se);
sents[n].spawned = true;
}
notgotitems = false;
}
break;
case SV_ITEMPICKUP: {
const int n = getint(p);
pickup(n, getint(p), sender);
}
break;
case SV_PING:
send2(false, cn, SV_PONG, getint(p));
break;
case SV_POS: {
cn = getint(p);
if (cn<0 || cn>=clients.size() || clients[cn].type==ST_EMPTY) {
disconnect_client(sender, "client num");
return;
}
int size = msgsizelookup(type);
assert(size!=-1);
loopi(size-2) getint(p);
}
break;
case SV_SENDMAP: {
sgetstr();
const auto mapsize = getint(p);
sendmaps(sender, text, mapsize, p);
}
return;
case SV_RECVMAP:
send(sender, recvmap(sender));
return;
case SV_EXT: // allows for new features that require no server updates
for (int n = getint(p); n; n--) getint(p);
break;
default: {
const int size = msgsizelookup(type);
if (size==-1) { disconnect_client(sender, "tag type"); return; };
loopi(size-1) getint(p);
}
}
if (p>end) { disconnect_client(sender, "end of packet"); return; };
multicast(packet, sender);
}
void localservertoclient(uchar *buf, int len) // processes any updates from the server
{
if (ENET_NET_TO_HOST_16(*(ushort *)buf) != len)
neterr("packet length");
incomingdemodata(buf, len);
uchar *end = buf + len;
uchar *p = buf + 2;
char text[MAXTRANS];
int cn = -1, type;
Sprite *spr = NULL;
bool mapchanged = false;
while (p < end)
switch (type = getint(p)) {
case SV_INITS2C: // welcome messsage from the server
{
cn = getint(p);
int prot = getint(p);
if (prot != PROTOCOL_VERSION) {
conoutf( "you are using a different game protocol (you: %d, server: %d)", PROTOCOL_VERSION, prot);
disconnect();
return;
};
toservermap = "";
clientnum = cn; // we are now fully connected
if (!getint(p)) {
toservermap = getclientmap(); // we are the first client on this server, set map
}
sgetstr();
if (text[0] && strcmp(text, clientpassword)) {
conoutf( "you need to set the correct password to join this server!");
disconnect();
return;
};
if (getint(p) == 1) {
conoutf("server is FULL, disconnecting..");
};
break;
}
case SV_POS: // position of another client
{
cn = getint(p);
spr = getclient(cn);
if (!spr)
return;
spr->o.x = getint(p) / DMF;
spr->o.y = getint(p) / DMF;
spr->o.z = getint(p) / DMF;
spr->yaw = getint(p) / DAF;
spr->pitch = getint(p) / DAF;
spr->roll = getint(p) / DAF;
spr->vel.x = getint(p) / DVF;
spr->vel.y = getint(p) / DVF;
spr->vel.z = getint(p) / DVF;
int f = getint(p);
spr->strafe = (f & 3) == 3 ? -1 : f & 3;
f >>= 2;
spr->move = (f & 3) == 3 ? -1 : f & 3;
spr->onfloor = (f >> 2) & 1;
int state = f >> 3;
if (state == CS_DEAD && spr->state != CS_DEAD)
spr->lastaction = lastmillis;
spr->state = state;
if (!demoplayback)
updatepos(spr);
break;
}
case SV_SOUND:
playsound(getint(p), &spr->o);
break;
case SV_TEXT:
sgetstr();
conoutf("%s:\f %s", spr->name, text);
break;
case SV_MAPCHANGE:
sgetstr();
changemapserv(text, getint(p));
mapchanged = true;
break;
case SV_ITEMLIST: {
int n;
if (mapchanged) {
senditemstoserver = false;
resetspawns();
};
while ((n = getint(p)) != -1) {
if (mapchanged)
setspawn(n, true);
}
break;
}
case SV_MAPRELOAD: // server requests next map
{
getint(p);
std::string nextmapalias = std::string("nextmap_") + getclientmap();
std::string map = getalias(nextmapalias); // look up map in the cycle
changemap(map.empty() ? getclientmap() : map);
break;
}
case SV_INITC2S: // another client either connected or changed name/team
{
sgetstr();
if (spr->name[0]) { // already connected
if (strcmp(spr->name, text))
conoutf("%s is now known as %s", spr->name, text);
} else { // new client
c2sinit = false; // send new players my info again
conoutf("connected: %s", text);
};
strcpy_s(spr->name, text);
sgetstr();
strcpy_s(spr->team, text);
spr->lifesequence = getint(p);
break;
}
case SV_CDIS:
cn = getint(p);
if (!(spr = getclient(cn)))
break;
conoutf("player %s disconnected", spr->name[0] ? spr->name : "[incompatible client]");
zapSprite(players[cn]);
break;
case SV_SHOT: {
int gun = getint(p);
Vec3 s, e;
s.x = getint(p) / DMF;
s.y = getint(p) / DMF;
s.z = getint(p) / DMF;
e.x = getint(p) / DMF;
e.y = getint(p) / DMF;
e.z = getint(p) / DMF;
if (gun == GUN_SG)
createrays(s, e);
shootv(gun, s, e, spr);
break;
}
case SV_DAMAGE: {
int target = getint(p);
int damage = getint(p);
int ls = getint(p);
if (target == clientnum) {
if (ls == player1->lifesequence)
selfdamage(damage, cn, spr);
} else
playsound(S_PAIN1 + rnd(5), &getclient(target)->o);
break;
}
case SV_DIED: {
int actor = getint(p);
if (actor == cn) {
conoutf("%s suicided", spr->name);
} else if (actor == clientnum) {
int frags;
if (isteam(player1->team, spr->team)) {
frags = -1;
conoutf("you fragged a teammate (%s)", spr->name);
} else {
frags = 1;
conoutf("you fragged %s", spr->name);
};
addmsg(1, 2, SV_FRAGS, player1->frags += frags);
} else {
Sprite *a = getclient(actor);
if (a) {
if (isteam(a->team, spr->name)) {
conoutf("%s fragged his teammate (%s)", a->name, spr->name);
} else {
conoutf("%s fragged %s", a->name, spr->name);
};
};
};
playsound(S_DIE1 + rnd(2), &spr->o);
spr->lifesequence++;
break;
}
case SV_FRAGS:
players[cn]->frags = getint(p);
break;
case SV_ITEMPICKUP:
setspawn(getint(p), false);
getint(p);
break;
case SV_ITEMSPAWN: {
int i = getint(p);
setspawn(i, true);
if (i >= entityList.size())
break;
Vec3 v = { entityList[i].x, entityList[i].y, entityList[i].z };
playsound(S_ITEMSPAWN, &v);
break;
}
case SV_ITEMACC: // server acknowledges that I picked up this item
realpickup(getint(p), player1);
break;
case SV_EDITH: // coop editing messages, should be extended to include all possible editing ops
case SV_EDITT:
case SV_EDITS:
case SV_EDITD:
case SV_EDITE: {
int x = getint(p);
int y = getint(p);
int xs = getint(p);
int ys = getint(p);
int v = getint(p);
Rect b = { x, y, xs, ys };
switch (type) {
case SV_EDITH:
editheightxy(v != 0, getint(p), b);
break;
case SV_EDITT:
edittexxy(v, getint(p), b);
break;
case SV_EDITS:
edittypexy(v, b);
break;
case SV_EDITD:
setvdeltaxy(v, b);
break;
case SV_EDITE:
editequalisexy(v != 0, b);
break;
};
break;
}
case SV_EDITENT: // coop edit of ent
{
int i = getint(p);
while (entityList.size() <= i) {
entityList.emplace_back(Entity());
entityList.back().type = NOTUSED;
}
int to = entityList[i].type;
entityList[i].type = getint(p);
entityList[i].x = getint(p);
entityList[i].y = getint(p);
entityList[i].z = getint(p);
entityList[i].attr1 = getint(p);
entityList[i].attr2 = getint(p);
entityList[i].attr3 = getint(p);
entityList[i].attr4 = getint(p);
entityList[i].spawned = false;
if (entityList[i].type == LIGHT || to == LIGHT)
calclight();
break;
}
case SV_PING:
getint(p);
break;
case SV_PONG:
addmsg(0, 2, SV_CLIENTPING, player1->ping = (player1->ping * 5 + lastmillis - getint(p)) / 6);
break;
case SV_CLIENTPING:
players[cn]->ping = getint(p);
break;
case SV_GAMEMODE:
nextmode = getint(p);
break;
case SV_TIMEUP:
timeupdate(getint(p));
break;
case SV_RECVMAP: {
sgetstr();
conoutf("received map \"%s\" from server, reloading..", text);
int mapsize = getint(p);
writemap(text, mapsize, p);
p += mapsize;
changemapserv(text, gamemode);
break;
}
case SV_SERVMSG:
sgetstr();
conoutf("%s", text);
break;
case SV_EXT: // so we can messages without breaking previous clients/servers, if necessary
{
for (int n = getint(p); n; n--)
getint(p);
break;
}
default:
neterr("type");
return;
}
}
