/// <summary>
/// SV_RunThink
/// Runs thinking code if time. There is some play in the exact time the think
/// function will be called, because it is called before any movement is done
/// in a frame. Not used for pushmove objects, because they must be exact.
/// Returns false if the entity removed itself.
/// </summary>
static bool RunThink(edict_t ent)
{
float thinktime;
thinktime = ent.v.nextthink;
if (thinktime <= 0 || thinktime > sv.time + Host.FrameTime)
{
return(true);
}
if (thinktime < sv.time)
{
thinktime = (float)sv.time; // don't let things stay in the past.
}
// it is possible to start that way
// by a trigger with a local time.
ent.v.nextthink = 0;
Progs.GlobalStruct.time = thinktime;
Progs.GlobalStruct.self = EdictToProg(ent);
Progs.GlobalStruct.other = EdictToProg(sv.edicts[0]);
Progs.Execute(ent.v.think);
return(!ent.free);
}
/// <summary>
/// SV_DropClient
/// Called when the player is getting totally kicked off the host
/// if (crash = true), don't bother sending signofs
/// </summary>
public static void DropClient(bool crash)
{
client_t client = Host.HostClient;
if (!crash)
{
// send any final messages (don't check for errors)
if (Net.CanSendMessage(client.netconnection))
{
MsgWriter msg = client.message;
msg.WriteByte(Protocol.svc_disconnect);
Net.SendMessage(client.netconnection, msg);
}
if (client.edict != null && client.spawned)
{
// call the prog function for removing a client
// this will set the body to a dead frame, among other things
int saveSelf = Progs.GlobalStruct.self;
Progs.GlobalStruct.self = EdictToProg(client.edict);
Progs.Execute(Progs.GlobalStruct.ClientDisconnect);
Progs.GlobalStruct.self = saveSelf;
}
Con.DPrint("Client {0} removed\n", client.name);
}
// break the net connection
Net.Close(client.netconnection);
client.netconnection = null;
// free the client (the body stays around)
client.active = false;
client.name = null;
client.old_frags = -999999;
Net.ActiveConnections--;
// send notification to all clients
for (int i = 0; i < Server.svs.maxclients; i++)
{
client_t cl = Server.svs.clients[i];
if (!cl.active)
{
continue;
}
cl.message.WriteByte(Protocol.svc_updatename);
cl.message.WriteByte(Host.ClientNum);
cl.message.WriteString("");
cl.message.WriteByte(Protocol.svc_updatefrags);
cl.message.WriteByte(Host.ClientNum);
cl.message.WriteShort(0);
cl.message.WriteByte(Protocol.svc_updatecolors);
cl.message.WriteByte(Host.ClientNum);
cl.message.WriteByte(0);
}
}
/// <summary>
/// SV_TouchLinks
/// </summary>
static void TouchLinks(edict_t ent, areanode_t node)
{
// touch linked edicts
LinkList next;
for (LinkList l = node.trigger_edicts.Next; l != node.trigger_edicts; l = next)
{
next = l.Next;
edict_t touch = (edict_t)l.Owner;// EDICT_FROM_AREA(l);
if (touch == ent)
{
continue;
}
if (touch.v.touch == 0 || touch.v.solid != Solids.SOLID_TRIGGER)
{
continue;
}
if (ent.v.absmin.x > touch.v.absmax.x || ent.v.absmin.y > touch.v.absmax.y ||
ent.v.absmin.z > touch.v.absmax.z || ent.v.absmax.x < touch.v.absmin.x ||
ent.v.absmax.y < touch.v.absmin.y || ent.v.absmax.z < touch.v.absmin.z)
{
continue;
}
int old_self = Progs.GlobalStruct.self;
int old_other = Progs.GlobalStruct.other;
Progs.GlobalStruct.self = EdictToProg(touch);
Progs.GlobalStruct.other = EdictToProg(ent);
Progs.GlobalStruct.time = (float)sv.time;
Progs.Execute(touch.v.touch);
Progs.GlobalStruct.self = old_self;
Progs.GlobalStruct.other = old_other;
}
// recurse down both sides
if (node.axis == -1)
{
return;
}
if (Mathlib.Comp(ref ent.v.absmax, node.axis) > node.dist)
{
TouchLinks(ent, node.children[0]);
}
if (Mathlib.Comp(ref ent.v.absmin, node.axis) < node.dist)
{
TouchLinks(ent, node.children[1]);
}
}
/// <summary>
/// SV_SaveSpawnparms
/// Grabs the current state of each client for saving across the
/// transition to another level
/// </summary>
public static void SaveSpawnparms()
{
Server.svs.serverflags = (int)Progs.GlobalStruct.serverflags;
for (int i = 0; i < svs.maxclients; i++)
{
Host.HostClient = Server.svs.clients[i];
if (!Host.HostClient.active)
{
continue;
}
// call the progs to get default spawn parms for the new client
Progs.GlobalStruct.self = EdictToProg(Host.HostClient.edict);
Progs.Execute(Progs.GlobalStruct.SetChangeParms);
AssignGlobalSpawnparams(Host.HostClient);
}
}
/// <summary>
/// Host_Kill_f
/// </summary>
private static void Kill_f()
{
if (Cmd.Source == cmd_source_t.src_command)
{
Cmd.ForwardToServer();
return;
}
if (Server.Player.v.health <= 0)
{
Server.ClientPrint("Can't suicide -- allready dead!\n");
return;
}
Progs.GlobalStruct.time = (float)Server.sv.time;
Progs.GlobalStruct.self = Server.EdictToProg(Server.Player);
Progs.Execute(Progs.GlobalStruct.ClientKill);
}
/// <summary>
/// SV_ConnectClient
/// Initializes a client_t for a new net connection. This will only be called
/// once for a player each game, not once for each level change.
/// </summary>
static void ConnectClient(int clientnum)
{
client_t client = svs.clients[clientnum];
Con.DPrint("Client {0} connected\n", client.netconnection.address);
int edictnum = clientnum + 1;
edict_t ent = EdictNum(edictnum);
// set up the client_t
qsocket_t netconnection = client.netconnection;
float[] spawn_parms = new float[NUM_SPAWN_PARMS];
if (sv.loadgame)
{
Array.Copy(client.spawn_parms, spawn_parms, spawn_parms.Length);
}
client.Clear();
client.netconnection = netconnection;
client.name = "unconnected";
client.active = true;
client.spawned = false;
client.edict = ent;
client.message.AllowOverflow = true; // we can catch it
client.privileged = false;
if (sv.loadgame)
{
Array.Copy(spawn_parms, client.spawn_parms, spawn_parms.Length);
}
else
{
// call the progs to get default spawn parms for the new client
Progs.Execute(Progs.GlobalStruct.SetNewParms);
AssignGlobalSpawnparams(client);
}
SendServerInfo(client);
}
/// <summary>
/// SV_Impact
/// Two entities have touched, so run their touch functions
/// </summary>
static void Impact(edict_t e1, edict_t e2)
{
int old_self = Progs.GlobalStruct.self;
int old_other = Progs.GlobalStruct.other;
Progs.GlobalStruct.time = (float)sv.time;
if (e1.v.touch != 0 && e1.v.solid != Solids.SOLID_NOT)
{
Progs.GlobalStruct.self = EdictToProg(e1);
Progs.GlobalStruct.other = EdictToProg(e2);
Progs.Execute(e1.v.touch);
}
if (e2.v.touch != 0 && e2.v.solid != Solids.SOLID_NOT)
{
Progs.GlobalStruct.self = EdictToProg(e2);
Progs.GlobalStruct.other = EdictToProg(e1);
Progs.Execute(e2.v.touch);
}
Progs.GlobalStruct.self = old_self;
Progs.GlobalStruct.other = old_other;
}
/// <summary>
/// SV_Physics_Pusher
/// </summary>
static void Physics_Pusher(edict_t ent)
{
float oldltime = ent.v.ltime;
float thinktime = ent.v.nextthink;
float movetime;
if (thinktime < ent.v.ltime + Host.FrameTime)
{
movetime = thinktime - ent.v.ltime;
if (movetime < 0)
{
movetime = 0;
}
}
else
{
movetime = (float)Host.FrameTime;
}
if (movetime != 0)
{
PushMove(ent, movetime); // advances ent.v.ltime if not blocked
}
if (thinktime > oldltime && thinktime <= ent.v.ltime)
{
ent.v.nextthink = 0;
Progs.GlobalStruct.time = (float)sv.time;
Progs.GlobalStruct.self = EdictToProg(ent);
Progs.GlobalStruct.other = EdictToProg(sv.edicts[0]);
Progs.Execute(ent.v.think);
if (ent.free)
{
return;
}
}
}
/// <summary>
/// SV_Physics_Client
/// Player character actions
/// </summary>
static void Physics_Client(edict_t ent, int num)
{
if (!svs.clients[num - 1].active)
{
return; // unconnected slot
}
//
// call standard client pre-think
//
Progs.GlobalStruct.time = (float)sv.time;
Progs.GlobalStruct.self = EdictToProg(ent);
Progs.Execute(Progs.GlobalStruct.PlayerPreThink);
//
// do a move
//
CheckVelocity(ent);
//
// decide which move function to call
//
switch ((int)ent.v.movetype)
{
case Movetypes.MOVETYPE_NONE:
if (!RunThink(ent))
{
return;
}
break;
case Movetypes.MOVETYPE_WALK:
if (!RunThink(ent))
{
return;
}
if (!CheckWater(ent) && ((int)ent.v.flags & EdictFlags.FL_WATERJUMP) == 0)
{
AddGravity(ent);
}
CheckStuck(ent);
WalkMove(ent);
break;
case Movetypes.MOVETYPE_TOSS:
case Movetypes.MOVETYPE_BOUNCE:
Physics_Toss(ent);
break;
case Movetypes.MOVETYPE_FLY:
if (!RunThink(ent))
{
return;
}
FlyMove(ent, (float)Host.FrameTime, null);
break;
case Movetypes.MOVETYPE_NOCLIP:
if (!RunThink(ent))
{
return;
}
Mathlib.VectorMA(ref ent.v.origin, (float)Host.FrameTime, ref ent.v.velocity, out ent.v.origin);
break;
default:
Sys.Error("SV_Physics_client: bad movetype {0}", (int)ent.v.movetype);
break;
}
//
// call standard player post-think
//
LinkEdict(ent, true);
Progs.GlobalStruct.time = (float)sv.time;
Progs.GlobalStruct.self = EdictToProg(ent);
Progs.Execute(Progs.GlobalStruct.PlayerPostThink);
}
/// <summary>
/// SV_Physics
/// </summary>
public static void Physics()
{
// let the progs know that a new frame has started
Progs.GlobalStruct.self = EdictToProg(sv.edicts[0]);
Progs.GlobalStruct.other = Progs.GlobalStruct.self;
Progs.GlobalStruct.time = (float)sv.time;
Progs.Execute(Progs.GlobalStruct.StartFrame);
//
// treat each object in turn
//
for (int i = 0; i < sv.num_edicts; i++)
{
edict_t ent = sv.edicts[i];
if (ent.free)
{
continue;
}
if (Progs.GlobalStruct.force_retouch != 0)
{
LinkEdict(ent, true); // force retouch even for stationary
}
if (i > 0 && i <= svs.maxclients)
{
Physics_Client(ent, i);
}
else
{
switch ((int)ent.v.movetype)
{
case Movetypes.MOVETYPE_PUSH:
Physics_Pusher(ent);
break;
case Movetypes.MOVETYPE_NONE:
Physics_None(ent);
break;
case Movetypes.MOVETYPE_NOCLIP:
Physics_Noclip(ent);
break;
case Movetypes.MOVETYPE_STEP:
Physics_Step(ent);
break;
case Movetypes.MOVETYPE_TOSS:
case Movetypes.MOVETYPE_BOUNCE:
case Movetypes.MOVETYPE_FLY:
case Movetypes.MOVETYPE_FLYMISSILE:
Physics_Toss(ent);
break;
default:
Sys.Error("SV_Physics: bad movetype {0}", (int)ent.v.movetype);
break;
}
}
}
if (Progs.GlobalStruct.force_retouch != 0)
{
Progs.GlobalStruct.force_retouch -= 1;
}
sv.time += Host.FrameTime;
}
/// <summary>
/// SV_PushMove
/// </summary>
static void PushMove(edict_t pusher, float movetime)
{
if (pusher.v.velocity.IsEmpty)
{
pusher.v.ltime += movetime;
return;
}
v3f move, mins, maxs;
Mathlib.VectorScale(ref pusher.v.velocity, movetime, out move);
Mathlib.VectorAdd(ref pusher.v.absmin, ref move, out mins);
Mathlib.VectorAdd(ref pusher.v.absmax, ref move, out maxs);
v3f pushorig = pusher.v.origin;
edict_t[] moved_edict = new edict_t[QDef.MAX_EDICTS];
v3f[] moved_from = new v3f[QDef.MAX_EDICTS];
// move the pusher to it's final position
Mathlib.VectorAdd(ref pusher.v.origin, ref move, out pusher.v.origin);
pusher.v.ltime += movetime;
LinkEdict(pusher, false);
// see if any solid entities are inside the final position
int num_moved = 0;
for (int e = 1; e < sv.num_edicts; e++)
{
edict_t check = sv.edicts[e];
if (check.free)
{
continue;
}
if (check.v.movetype == Movetypes.MOVETYPE_PUSH ||
check.v.movetype == Movetypes.MOVETYPE_NONE ||
check.v.movetype == Movetypes.MOVETYPE_NOCLIP)
{
continue;
}
// if the entity is standing on the pusher, it will definately be moved
if (!(((int)check.v.flags & EdictFlags.FL_ONGROUND) != 0 && ProgToEdict(check.v.groundentity) == pusher))
{
if (check.v.absmin.x >= maxs.x || check.v.absmin.y >= maxs.y ||
check.v.absmin.z >= maxs.z || check.v.absmax.x <= mins.x ||
check.v.absmax.y <= mins.y || check.v.absmax.z <= mins.z)
{
continue;
}
// see if the ent's bbox is inside the pusher's final position
if (TestEntityPosition(check) == null)
{
continue;
}
}
// remove the onground flag for non-players
if (check.v.movetype != Movetypes.MOVETYPE_WALK)
{
check.v.flags = (int)check.v.flags & ~EdictFlags.FL_ONGROUND;
}
v3f entorig = check.v.origin;
moved_from[num_moved] = entorig;
moved_edict[num_moved] = check;
num_moved++;
// try moving the contacted entity
pusher.v.solid = Solids.SOLID_NOT;
PushEntity(check, ref move);
pusher.v.solid = Solids.SOLID_BSP;
// if it is still inside the pusher, block
edict_t block = TestEntityPosition(check);
if (block != null)
{
// fail the move
if (check.v.mins.x == check.v.maxs.x)
{
continue;
}
if (check.v.solid == Solids.SOLID_NOT || check.v.solid == Solids.SOLID_TRIGGER)
{
// corpse
check.v.mins.x = check.v.mins.y = 0;
check.v.maxs = check.v.mins;
continue;
}
check.v.origin = entorig;
LinkEdict(check, true);
pusher.v.origin = pushorig;
LinkEdict(pusher, false);
pusher.v.ltime -= movetime;
// if the pusher has a "blocked" function, call it
// otherwise, just stay in place until the obstacle is gone
if (pusher.v.blocked != 0)
{
Progs.GlobalStruct.self = EdictToProg(pusher);
Progs.GlobalStruct.other = EdictToProg(check);
Progs.Execute(pusher.v.blocked);
}
// move back any entities we already moved
for (int i = 0; i < num_moved; i++)
{
moved_edict[i].v.origin = moved_from[i];
LinkEdict(moved_edict[i], false);
}
return;
}
}
}
/// <summary>
/// Host_Spawn_f
/// </summary>
private static void Spawn_f()
{
if (Cmd.Source == cmd_source_t.src_command)
{
Con.Print("spawn is not valid from the console\n");
return;
}
if (Host.HostClient.spawned)
{
Con.Print("Spawn not valid -- allready spawned\n");
return;
}
edict_t ent;
// run the entrance script
if (Server.sv.loadgame)
{
// loaded games are fully inited allready
// if this is the last client to be connected, unpause
Server.sv.paused = false;
}
else
{
// set up the edict
ent = Host.HostClient.edict;
ent.Clear(); //memset(&ent.v, 0, progs.entityfields * 4);
ent.v.colormap = Server.NumForEdict(ent);
ent.v.team = (Host.HostClient.colors & 15) + 1;
ent.v.netname = Progs.NewString(Host.HostClient.name);
// copy spawn parms out of the client_t
Progs.GlobalStruct.SetParams(Host.HostClient.spawn_parms);
// call the spawn function
Progs.GlobalStruct.time = (float)Server.sv.time;
Progs.GlobalStruct.self = Server.EdictToProg(Server.Player);
Progs.Execute(Progs.GlobalStruct.ClientConnect);
if ((Sys.GetFloatTime() - Host.HostClient.netconnection.connecttime) <= Server.sv.time)
{
Con.DPrint("{0} entered the game\n", Host.HostClient.name);
}
Progs.Execute(Progs.GlobalStruct.PutClientInServer);
}
// send all current names, colors, and frag counts
MsgWriter msg = Host.HostClient.message;
msg.Clear();
// send time of update
msg.WriteByte(Protocol.svc_time);
msg.WriteFloat((float)Server.sv.time);
for (int i = 0; i < Server.svs.maxclients; i++)
{
client_t client = Server.svs.clients[i];
msg.WriteByte(Protocol.svc_updatename);
msg.WriteByte(i);
msg.WriteString(client.name);
msg.WriteByte(Protocol.svc_updatefrags);
msg.WriteByte(i);
msg.WriteShort(client.old_frags);
msg.WriteByte(Protocol.svc_updatecolors);
msg.WriteByte(i);
msg.WriteByte(client.colors);
}
// send all current light styles
for (int i = 0; i < QDef.MAX_LIGHTSTYLES; i++)
{
msg.WriteByte(Protocol.svc_lightstyle);
msg.WriteByte((char)i);
msg.WriteString(Server.sv.lightstyles[i]);
}
//
// send some stats
//
msg.WriteByte(Protocol.svc_updatestat);
msg.WriteByte(QStats.STAT_TOTALSECRETS);
msg.WriteLong((int)Progs.GlobalStruct.total_secrets);
msg.WriteByte(Protocol.svc_updatestat);
msg.WriteByte(QStats.STAT_TOTALMONSTERS);
msg.WriteLong((int)Progs.GlobalStruct.total_monsters);
msg.WriteByte(Protocol.svc_updatestat);
msg.WriteByte(QStats.STAT_SECRETS);
msg.WriteLong((int)Progs.GlobalStruct.found_secrets);
msg.WriteByte(Protocol.svc_updatestat);
msg.WriteByte(QStats.STAT_MONSTERS);
msg.WriteLong((int)Progs.GlobalStruct.killed_monsters);
//
// send a fixangle
// Never send a roll angle, because savegames can catch the server
// in a state where it is expecting the client to correct the angle
// and it won't happen if the game was just loaded, so you wind up
// with a permanent head tilt
ent = Server.EdictNum(1 + Host.ClientNum);
msg.WriteByte(Protocol.svc_setangle);
msg.WriteAngle(ent.v.angles.x);
msg.WriteAngle(ent.v.angles.y);
msg.WriteAngle(0);
Server.WriteClientDataToMessage(Server.Player, Host.HostClient.message);
msg.WriteByte(Protocol.svc_signonnum);
msg.WriteByte(3);
Host.HostClient.sendsignon = true;
}