#include "quakedef.h"
-cvar_t sv_edgefriction = {0, "edgefriction", "2"};
-cvar_t sv_deltacompress = {0, "sv_deltacompress", "1"};
-cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8"};
-cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320"};
-cvar_t sv_maxairspeed = {0, "sv_maxairspeed", "30"};
-cvar_t sv_accelerate = {0, "sv_accelerate", "10"};
+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", "100", "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)"};
static usercmd_t cmd;
#define MAX_FORWARD 6
void SV_SetIdealPitch (void)
{
- float angleval, sinval, cosval;
+ float angleval, sinval, cosval, step, dir;
trace_t tr;
vec3_t top, bottom;
float z[MAX_FORWARD];
int i, j;
- int step, dir, steps;
+ int steps;
if (!((int)host_client->edict->fields.server->flags & FL_ONGROUND))
return;
host_client->edict->fields.server->idealpitch = -dir * sv_idealpitchscale.value;
}
-#if 1
static vec3_t wishdir, forward, right, up;
static float wishspeed;
addspeed = wishspd - currentspeed;
if (addspeed <= 0)
return;
- accelspeed = sv_accelerate.value*wishspeed * sv.frametime;
+ accelspeed = (sv_airaccelerate.value < 0 ? sv_accelerate.value : sv_airaccelerate.value)*wishspeed * sv.frametime;
if (accelspeed > addspeed)
accelspeed = addspeed;
speed = VectorLength(host_client->edict->fields.server->velocity);
if (speed)
{
- newspeed = speed - sv.frametime * speed * sv_friction.value;
+ newspeed = speed - sv.frametime * speed * sv_waterfriction.value;
if (newspeed < 0)
newspeed = 0;
temp = newspeed/speed;
return;
VectorNormalize (wishvel);
- accelspeed = sv_accelerate.value * wishspeed * sv.frametime;
+ accelspeed = (sv_wateraccelerate.value < 0 ? sv_accelerate.value : sv_wateraccelerate.value) * wishspeed * sv.frametime;
if (accelspeed > addspeed)
accelspeed = addspeed;
// noclip
VectorCopy (wishvel, host_client->edict->fields.server->velocity);
}
- else if ( onground )
+ else if (onground && (!sv_gameplayfix_qwplayerphysics.integer || !(host_client->edict->fields.server->button2 || !((int)host_client->edict->fields.server->flags & FL_JUMPRELEASED))))
{
SV_UserFriction ();
SV_Accelerate ();
SV_AirMove ();
}
-#else
-
-extern cvar_t cl_rollspeed;
-extern cvar_t cl_rollangle;
-void SV_ClientThink(void)
-{
- int j;
- vec3_t wishvel, wishdir, v, v_forward, v_right, v_up, start, stop;
- float wishspeed, f, limit;
- trace_t trace;
-
- if (host_client->edict->fields.server->movetype == MOVETYPE_NONE)
- return;
-
- f = DotProduct(host_client->edict->fields.server->punchangle, host_client->edict->fields.server->punchangle);
- if (f)
- {
- limit = sqrt(f);
- f = (limit - 10 * sv.frametime);
- f /= limit;
- f = max(0, f);
- VectorScale(host_client->edict->fields.server->punchangle, f, host_client->edict->fields.server->punchangle);
- }
-
- // if dead, behave differently
- if (host_client->edict->fields.server->health <= 0)
- return;
-
- AngleVectors(host_client->edict->fields.server->v_angle, v_forward, v_right, v_up);
- // show 1/3 the pitch angle and all the roll angle
- f = DotProduct(host_client->edict->fields.server->velocity, v_right) * (1.0 / cl_rollspeed.value);
- host_client->edict->fields.server->angles[2] = bound(-1, f, 1) * cl_rollangle.value * 4;
- if (!host_client->edict->fields.server->fixangle)
- {
- host_client->edict->fields.server->angles[0] = (host_client->edict->fields.server->v_angle[0] + host_client->edict->fields.server->punchangle[0]) * -0.333;
- host_client->edict->fields.server->angles[1] = host_client->edict->fields.server->v_angle[1] + host_client->edict->fields.server->punchangle[1];
- }
-
- if ((int)host_client->edict->fields.server->flags & FL_WATERJUMP)
- {
- host_client->edict->fields.server->velocity[0] = host_client->edict->fields.server->movedir[0];
- host_client->edict->fields.server->velocity[1] = host_client->edict->fields.server->movedir[1];
- if (sv.time > host_client->edict->fields.server->teleport_time || host_client->edict->fields.server->waterlevel == 0)
- {
- host_client->edict->fields.server->flags = (int)host_client->edict->fields.server->flags - ((int)host_client->edict->fields.server->flags & FL_WATERJUMP);
- host_client->edict->fields.server->teleport_time = 0;
- }
- return;
- }
-
- // swim
- if (host_client->edict->fields.server->waterlevel >= 2)
- if (host_client->edict->fields.server->movetype != MOVETYPE_NOCLIP)
- {
- if (host_client->cmd.forwardmove == 0 && host_client->cmd.sidemove == 0 && host_client->cmd.upmove == 0)
- {
- // drift towards bottom
- wishvel[0] = 0;
- wishvel[1] = 0;
- wishvel[2] = -60;
- }
- else
- {
- for (j = 0;j < 3;j++)
- wishvel[j] = v_forward[j] * host_client->cmd.forwardmove + v_right[j] * host_client->cmd.sidemove;
- wishvel[2] += host_client->cmd.upmove;
- }
-
- wishspeed = VectorLength(wishvel);
- wishspeed = min(wishspeed, sv_maxspeed.value) * 0.7;
-
- // water friction
- f = VectorLength(host_client->edict->fields.server->velocity) * (1 - sv.frametime * sv_friction.value);
- if (f > 0)
- f /= VectorLength(host_client->edict->fields.server->velocity);
- else
- f = 0;
- VectorScale(host_client->edict->fields.server->velocity, f, host_client->edict->fields.server->velocity);
-
- // water acceleration
- if (wishspeed <= f)
- return;
-
- f = wishspeed - f;
- limit = sv_accelerate.value * wishspeed * sv.frametime;
- if (f > limit)
- f = limit;
- limit = VectorLength(wishvel);
- if (limit)
- f /= limit;
- VectorMA(host_client->edict->fields.server->velocity, f, wishvel, host_client->edict->fields.server->velocity);
- return;
- }
-
- // if not flying, move horizontally only
- if (host_client->edict->fields.server->movetype != MOVETYPE_FLY)
- {
- VectorClear(wishvel);
- wishvel[1] = host_client->edict->fields.server->v_angle[1];
- AngleVectors(wishvel, v_forward, v_right, v_up);
- }
-
- // hack to not let you back into teleporter
- VectorScale(v_right, host_client->cmd.sidemove, wishvel);
- if (sv.time >= host_client->edict->fields.server->teleport_time || host_client->cmd.forwardmove > 0)
- VectorMA(wishvel, host_client->cmd.forwardmove, v_forward, wishvel);
- if (host_client->edict->fields.server->movetype != MOVETYPE_WALK)
- wishvel[2] += cmd.upmove;
-
- VectorCopy(wishvel, wishdir);
- VectorNormalize(wishdir);
- wishspeed = VectorLength(wishvel);
- if (wishspeed > sv_maxspeed.value)
- wishspeed = sv_maxspeed.value;
-
- if (host_client->edict->fields.server->movetype == MOVETYPE_NOCLIP || host_client->edict->fields.server->movetype == MOVETYPE_FLY)
- {
- VectorScale(wishdir, wishspeed, host_client->edict->fields.server->velocity);
- return;
- }
-
- if ((int)host_client->edict->fields.server->flags & FL_ONGROUND) // walking
- {
- // friction
- f = host_client->edict->fields.server->velocity[0] * host_client->edict->fields.server->velocity[0] + host_client->edict->fields.server->velocity[1] * host_client->edict->fields.server->velocity[1];
- if (f)
- {
- f = sqrt(f);
- VectorCopy(host_client->edict->fields.server->velocity, v);
- v[2] = 0;
-
- // if the leading edge is over a dropoff, increase friction
- limit = 16.0f / f;
- VectorMA(host_client->edict->fields.server->origin, limit, v, v);
- v[2] += host_client->edict->fields.server->mins[2];
-
- VectorCopy(v, start);
- VectorCopy(v, stop);
- stop[2] -= 34;
- trace = SV_Move(start, vec3_origin, vec3_origin, stop, MOVE_NOMONSTERS, host_client->edict);
-
- // apply friction
- if (f < sv_stopspeed.value)
- f = sv_stopspeed.value / f;
- else
- f = 1;
- if (trace.fraction == 1)
- f *= sv_edgefriction.value;
- f = 1 - sv.frametime * f * sv_friction.value;
-
- if (f < 0)
- f = 0;
- VectorScale(host_client->edict->fields.server->velocity, f, host_client->edict->fields.server->velocity);
- }
- }
- else // airborn
- wishspeed = min(wishspeed, 30);
-
- // ground or air acceleration
- f = wishspeed - DotProduct(host_client->edict->fields.server->velocity, wishdir);
- if (f > 0)
- {
- limit = sv_accelerate.value * sv.frametime * wishspeed;
- if (f > limit)
- f = limit;
- VectorMA(host_client->edict->fields.server->velocity, f, wishdir, host_client->edict->fields.server->velocity);
- }
-}
-#endif
-
/*
===================
SV_ReadClientMove
===================
*/
-void SV_ApplyClientMove (void);
-void SV_ReadClientMove (void)
+qboolean SV_ReadClientMove (void)
{
+ qboolean kickplayer = false;
int i;
double oldmovetime;
+#ifdef NUM_PING_TIMES
+ double total;
+#endif
usercmd_t *move = &host_client->cmd;
oldmovetime = move->time;
- memset(move, 0, sizeof(usercmd_t));
+
+ // if this move has been applied, clear it, and start accumulating new data
+ if (move->applied)
+ memset(move, 0, sizeof(*move));
if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
move->receivetime = sv.time;
+ // calculate average ping time
+ host_client->ping = move->receivetime - move->time;
+#ifdef NUM_PING_TIMES
+ host_client->ping_times[host_client->num_pings % NUM_PING_TIMES] = move->receivetime - move->time;
+ host_client->num_pings++;
+ for (i=0, total = 0;i < NUM_PING_TIMES;i++)
+ total += host_client->ping_times[i];
+ host_client->ping = total / NUM_PING_TIMES;
+#endif
+
// read current angles
for (i = 0;i < 3;i++)
{
if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
// 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)
- move->buttons = MSG_ReadByte ();
+ move->buttons |= MSG_ReadByte ();
else
- move->buttons = MSG_ReadLong ();
+ move->buttons |= MSG_ReadLong ();
if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
// read impulse
- move->impulse = MSG_ReadByte ();
+ i = MSG_ReadByte ();
+ if (i)
+ move->impulse = i;
if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
// PRYDON_CLIENTCURSOR
if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
}
+ // disable clientside movement prediction in some cases
+ if (ceil((move->receivetime - move->time) * 1000.0) < sv_clmovement_minping.integer)
+ host_client->clmovement_disable_minpingtimeout = realtime + sv_clmovement_minping_disabletime.value / 1000.0;
+ if (!sv_clmovement_enable.integer || host_client->clmovement_disable_minpingtimeout > realtime)
+ move->sequence = 0;
+
if (!host_client->spawned)
memset(move, 0, sizeof(*move));
+ else if (move->sequence && (float)move->time > (float)sv.time + 0.125f) // add a little fuzz factor due to float precision issues
+ {
+ Con_DPrintf("client move->time %f > sv.time %f, kicking\n", (float)move->time, (float)sv.time);
+ // if the client is lying about time, we have definitively detected a
+ // speed cheat attempt of the worst sort, and we can immediately kick
+ // the offending player off.
+ // this fixes the timestamp to prevent a speed cheat from working
+ move->time = sv.time;
+ // but we kick the player for good measure
+ kickplayer = true;
+ }
else
{
// apply the latest accepted move to the entity fields
- SV_ApplyClientMove();
host_client->movesequence = move->sequence;
if (host_client->movesequence)
{
- double frametime = move->time - oldmovetime;
+ double frametime = bound(0, move->time - oldmovetime, 0.1);
double oldframetime = prog->globals.server->frametime;
- if (frametime > 0.1)
- frametime = 0.1;
+ //if (move->time - oldmovetime >= 0.1001)
+ // Con_DPrintf("client move exceeds 100ms! (time %f -> time %f)\n", oldmovetime, move->time);
prog->globals.server->frametime = frametime;
SV_Physics_ClientEntity(host_client->edict);
prog->globals.server->frametime = oldframetime;
}
}
+ return kickplayer;
}
void SV_ApplyClientMove (void)
{
-#ifdef NUM_PING_TIMES
- int i;
- float total;
-#endif
prvm_eval_t *val;
usercmd_t *move = &host_client->cmd;
- // calculate average ping time
- host_client->ping = move->receivetime - move->time;
-#ifdef NUM_PING_TIMES
- host_client->ping_times[host_client->num_pings % NUM_PING_TIMES] = move->receivetime - move->time;
- host_client->num_pings++;
- for (i=0, total = 0;i < NUM_PING_TIMES;i++)
- total += host_client->ping_times[i];
- host_client->ping = total / NUM_PING_TIMES;
-#endif
+ if (!move->receivetime)
+ return;
+
+ // note: a move can be applied multiple times if the client packets are
+ // not coming as often as the physics is executed, and the move must be
+ // applied before running qc each time because the id1 qc had a bug where
+ // it clears self.button2 in PlayerJump, causing pogostick behavior if
+ // moves are not applied every time before calling qc
+ move->applied = true;
// set the edict fields
host_client->edict->fields.server->button0 = move->buttons & 1;
host_client->edict->fields.server->button2 = (move->buttons & 2)>>1;
if (move->impulse)
host_client->edict->fields.server->impulse = move->impulse;
+ // only send the impulse to qc once
+ move->impulse = 0;
VectorCopy(move->viewangles, host_client->edict->fields.server->v_angle);
if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button3))) val->_float = ((move->buttons >> 2) & 1);
if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button4))) val->_float = ((move->buttons >> 3) & 1);
if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button6))) val->_float = ((move->buttons >> 5) & 1);
if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button7))) val->_float = ((move->buttons >> 6) & 1);
if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button8))) val->_float = ((move->buttons >> 7) & 1);
+ if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button9))) val->_float = ((move->buttons >> 11) & 1);
+ if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button10))) val->_float = ((move->buttons >> 12) & 1);
+ if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button11))) val->_float = ((move->buttons >> 13) & 1);
+ if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button12))) val->_float = ((move->buttons >> 14) & 1);
+ if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button13))) val->_float = ((move->buttons >> 15) & 1);
+ if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button14))) val->_float = ((move->buttons >> 16) & 1);
+ if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button15))) val->_float = ((move->buttons >> 17) & 1);
+ if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_button16))) val->_float = ((move->buttons >> 18) & 1);
if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_buttonuse))) val->_float = ((move->buttons >> 8) & 1);
if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_buttonchat))) val->_float = ((move->buttons >> 9) & 1);
if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_cursor_active))) val->_float = ((move->buttons >> 10) & 1);
return;
}
- cmd = MSG_ReadChar ();
+ cmd = MSG_ReadByte ();
if (cmd == -1)
{
// end of message
return;
case clc_move:
- SV_ReadClientMove ();
+ // if ReadClientMove returns true, the client tried to speed cheat
+ if (SV_ReadClientMove ())
+ SV_DropClient (false);
break;
case clc_ackframe:
if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
if (developer_networkentities.integer >= 1)
Con_Printf("recv clc_ackframe %i\n", num);
- if (host_client->latestframenum < num)
+ // if the client hasn't progressed through signons yet,
+ // ignore any clc_ackframes we get (they're probably from the
+ // previous level)
+ if (host_client->spawned && host_client->latestframenum < num)
{
int i;
for (i = host_client->latestframenum + 1;i < num;i++)
projects / xonotic / darkplaces.git / blobdiff