// sv_user.c -- server code for moving users
#include "quakedef.h"
-
-cvar_t sv_edgefriction = {0, "edgefriction", "2", "how much you slow down when nearing a ledge you might fall off"};
-cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8", "how much to look up/down slopes and stairs when not using freelook"};
-cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320", "maximum speed a player can accelerate to when on ground (can be exceeded by tricks)"};
-cvar_t sv_maxairspeed = {0, "sv_maxairspeed", "30", "maximum speed a player can accelerate to when airborn (note that it is possible to completely stop by moving the opposite direction)"};
-cvar_t sv_accelerate = {0, "sv_accelerate", "10", "rate at which a player accelerates to sv_maxspeed"};
-cvar_t sv_airaccelerate = {0, "sv_airaccelerate", "-1", "rate at which a player accelerates to sv_maxairspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
-cvar_t sv_wateraccelerate = {0, "sv_wateraccelerate", "-1", "rate at which a player accelerates to sv_maxspeed while in the air, if less than 0 the sv_accelerate variable is used instead"};
-cvar_t sv_clmovement_enable = {0, "sv_clmovement_enable", "1", "whether to allow clients to use cl_movement prediction, which can cause choppy movement on the server which may annoy other players"};
-cvar_t sv_clmovement_minping = {0, "sv_clmovement_minping", "0", "if client ping is below this time in milliseconds, then their ability to use cl_movement prediction is disabled for a while (as they don't need it)"};
-cvar_t sv_clmovement_minping_disabletime = {0, "sv_clmovement_minping_disabletime", "1000", "when client falls below minping, disable their prediction for this many milliseconds (should be at least 1000 or else their prediction may turn on/off frequently)"};
-cvar_t sv_clmovement_waitforinput = {0, "sv_clmovement_waitforinput", "16", "when a client does not send input for this many frames, force them to move anyway (unlike QuakeWorld)"};
+#include "sv_demo.h"
+#define DEBUGMOVES 0
static usercmd_t cmd;
-
+extern cvar_t sv_autodemo_perclient;
/*
===============
// noclip
VectorCopy (wishvel, host_client->edict->fields.server->velocity);
}
- else if (onground && (!sv_gameplayfix_qwplayerphysics.integer || !(host_client->edict->fields.server->button2 || !((int)host_client->edict->fields.server->flags & FL_JUMPRELEASED))))
+ else if (onground)
{
SV_UserFriction ();
SV_Accelerate ();
the angle fields specify an exact angular motion in degrees
===================
*/
-extern cvar_t sv_playerphysicsqc;
void SV_ClientThink (void)
{
vec3_t v_angle;
+ //Con_Printf("clientthink for %ims\n", (int) (sv.frametime * 1000));
+
SV_ApplyClientMove();
// make sure the velocity is sane (not a NaN)
SV_CheckVelocity(host_client->edict);
if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
// read ping time
- if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_DARKPLACES1 && sv.protocol != PROTOCOL_DARKPLACES2 && sv.protocol != PROTOCOL_DARKPLACES3 && sv.protocol != PROTOCOL_DARKPLACES4 && sv.protocol != PROTOCOL_DARKPLACES5 && sv.protocol != PROTOCOL_DARKPLACES6)
+ if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_NEHAHRABJP && sv.protocol != PROTOCOL_NEHAHRABJP2 && sv.protocol != PROTOCOL_NEHAHRABJP3 && sv.protocol != PROTOCOL_DARKPLACES1 && sv.protocol != PROTOCOL_DARKPLACES2 && sv.protocol != PROTOCOL_DARKPLACES3 && sv.protocol != PROTOCOL_DARKPLACES4 && sv.protocol != PROTOCOL_DARKPLACES5 && sv.protocol != PROTOCOL_DARKPLACES6)
move->sequence = MSG_ReadLong ();
- move->time = MSG_ReadFloat ();
+ move->time = move->clienttime = MSG_ReadFloat ();
if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
move->receivetime = (float)sv.time;
// read current angles
for (i = 0;i < 3;i++)
{
- if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE)
+ if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3)
move->viewangles[i] = MSG_ReadAngle8i();
else if (sv.protocol == PROTOCOL_DARKPLACES1)
move->viewangles[i] = MSG_ReadAngle16i();
// read buttons
// be sure to bitwise OR them into the move->buttons because we want to
// accumulate button presses from multiple packets per actual move
- if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
+ if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_NEHAHRABJP || sv.protocol == PROTOCOL_NEHAHRABJP2 || sv.protocol == PROTOCOL_NEHAHRABJP3 || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
move->buttons = MSG_ReadByte ();
else
move->buttons = MSG_ReadLong ();
if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
// PRYDON_CLIENTCURSOR
- if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_DARKPLACES1 && sv.protocol != PROTOCOL_DARKPLACES2 && sv.protocol != PROTOCOL_DARKPLACES3 && sv.protocol != PROTOCOL_DARKPLACES4 && sv.protocol != PROTOCOL_DARKPLACES5)
+ if (sv.protocol != PROTOCOL_QUAKE && sv.protocol != PROTOCOL_QUAKEDP && sv.protocol != PROTOCOL_NEHAHRAMOVIE && sv.protocol != PROTOCOL_NEHAHRABJP && sv.protocol != PROTOCOL_NEHAHRABJP2 && sv.protocol != PROTOCOL_NEHAHRABJP3 && sv.protocol != PROTOCOL_DARKPLACES1 && sv.protocol != PROTOCOL_DARKPLACES2 && sv.protocol != PROTOCOL_DARKPLACES3 && sv.protocol != PROTOCOL_DARKPLACES4 && sv.protocol != PROTOCOL_DARKPLACES5)
{
// 30 bytes
move->cursor_screen[0] = MSG_ReadShort() * (1.0f / 32767.0f);
if (host_client->movesequence < move->sequence || moveindex == sv_numreadmoves - 1)
{
#if DEBUGMOVES
- Con_Printf("%smove #%i %ims (%ims) %i %i '%i %i %i' '%i %i %i'\n", (move->time - host_client->cmd.time) > sv.frametime ? "^1" : "^2", move->sequence, (int)floor((move->time - host_client->cmd.time) * 1000.0 + 0.5), (int)floor(move->time * 1000.0 + 0.5), move->impulse, move->buttons, (int)move->viewangles[0], (int)move->viewangles[1], (int)move->viewangles[2], (int)move->forwardmove, (int)move->sidemove, (int)move->upmove);
+ Con_Printf("%smove #%i %ims (%ims) %i %i '%i %i %i' '%i %i %i'\n", (move->time - host_client->cmd.time) > sv.frametime * 1.01 ? "^1" : "^2", move->sequence, (int)floor((move->time - host_client->cmd.time) * 1000.0 + 0.5), (int)floor(move->time * 1000.0 + 0.5), move->impulse, move->buttons, (int)move->viewangles[0], (int)move->viewangles[1], (int)move->viewangles[2], (int)move->forwardmove, (int)move->sidemove, (int)move->upmove);
#endif
// this is a new move
+ move->time = bound(sv.time - 1, move->time, sv.time); // prevent slowhack/speedhack combos
+ move->time = max(move->time, host_client->cmd.time); // prevent backstepping of time
moveframetime = bound(0, move->time - host_client->cmd.time, 0.1);
//Con_Printf("movesequence = %i (%i lost), moveframetime = %f\n", move->sequence, move->sequence ? move->sequence - host_client->movesequence - 1 : 0, moveframetime);
host_client->cmd = *move;
if (sv.frametime > 0.05)
{
prog->globals.server->frametime = sv.frametime = moveframetime * 0.5f;
- SV_ClientThink();
SV_Physics_ClientMove();
}
- SV_ClientThink();
SV_Physics_ClientMove();
sv.frametime = oldframetime2;
prog->globals.server->frametime = oldframetime;
}
// now copy the new move
host_client->cmd = sv_readmoves[sv_numreadmoves-1];
+ host_client->cmd.time = max(host_client->cmd.time, sv.time);
+ // physics will run up to sv.time, so allow no predicted moves
+ // before that otherwise, there is a speedhack by turning
+ // prediction on and off repeatedly on client side because the
+ // engine would run BOTH client and server physics for the same
+ // time
host_client->movesequence = 0;
+ // make sure that normal physics takes over immediately
+ host_client->clmovement_skipphysicsframes = 0;
}
// calculate average ping time
- host_client->ping = host_client->cmd.receivetime - host_client->cmd.time;
+ host_client->ping = host_client->cmd.receivetime - host_client->cmd.clienttime;
#ifdef NUM_PING_TIMES
- host_client->ping_times[host_client->num_pings % NUM_PING_TIMES] = host_client->cmd.receivetime - host_client->cmd.time;
+ host_client->ping_times[host_client->num_pings % NUM_PING_TIMES] = host_client->cmd.receivetime - host_client->cmd.clienttime;
host_client->num_pings++;
for (i=0, total = 0;i < NUM_PING_TIMES;i++)
total += host_client->ping_times[i];
void SV_ReadClientMessage(void)
{
int cmd, num, start;
- char *s;
+ char *s, *p, *q;
+
+ if(sv_autodemo_perclient.integer >= 2)
+ SV_WriteDemoMessage(host_client, &(host_client->netconnection->message), true);
//MSG_BeginReading ();
sv_numreadmoves = 0;
break;
case clc_stringcmd:
+ // allow reliable messages now as the client is done with initial loading
+ if (host_client->sendsignon == 2)
+ host_client->sendsignon = 0;
s = MSG_ReadString ();
+ q = NULL;
+ for(p = s; *p; ++p) switch(*p)
+ {
+ case 10:
+ case 13:
+ if(!q)
+ q = p;
+ break;
+ default:
+ if(q)
+ goto clc_stringcmd_invalid; // newline seen, THEN something else -> possible exploit
+ break;
+ }
+ if(q)
+ *q = 0;
if (strncasecmp(s, "spawn", 5) == 0
|| strncasecmp(s, "begin", 5) == 0
|| strncasecmp(s, "prespawn", 8) == 0)
Cmd_ExecuteString (s, src_client);
break;
+clc_stringcmd_invalid:
+ Con_Printf("Received invalid stringcmd from %s\n", host_client->name);
+ if(developer.integer)
+ Com_HexDumpToConsole((unsigned char *) s, strlen(s));
+ break;
+
case clc_disconnect:
SV_DropClient (false); // client wants to disconnect
return;
if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
num = MSG_ReadLong();
if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
- if (developer_networkentities.integer >= 1)
+ if (developer_networkentities.integer >= 10)
Con_Printf("recv clc_ackframe %i\n", num);
// if the client hasn't progressed through signons yet,
// ignore any clc_ackframes we get (they're probably from the
projects / xonotic / darkplaces.git / blobdiff