#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_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", "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)"};
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->v->flags & FL_ONGROUND))
+ if (!((int)host_client->edict->fields.server->flags & FL_ONGROUND))
return;
- angleval = host_client->edict->v->angles[YAW] * M_PI*2 / 360;
+ angleval = host_client->edict->fields.server->angles[YAW] * M_PI*2 / 360;
sinval = sin(angleval);
cosval = cos(angleval);
for (i=0 ; i<MAX_FORWARD ; i++)
{
- top[0] = host_client->edict->v->origin[0] + cosval*(i+3)*12;
- top[1] = host_client->edict->v->origin[1] + sinval*(i+3)*12;
- top[2] = host_client->edict->v->origin[2] + host_client->edict->v->view_ofs[2];
+ top[0] = host_client->edict->fields.server->origin[0] + cosval*(i+3)*12;
+ top[1] = host_client->edict->fields.server->origin[1] + sinval*(i+3)*12;
+ top[2] = host_client->edict->fields.server->origin[2] + host_client->edict->fields.server->view_ofs[2];
bottom[0] = top[0];
bottom[1] = top[1];
if (!dir)
{
- host_client->edict->v->idealpitch = 0;
+ host_client->edict->fields.server->idealpitch = 0;
return;
}
if (steps < 2)
return;
- host_client->edict->v->idealpitch = -dir * sv_idealpitchscale.value;
+ host_client->edict->fields.server->idealpitch = -dir * sv_idealpitchscale.value;
}
-#if 1
static vec3_t wishdir, forward, right, up;
static float wishspeed;
vec3_t start, stop;
trace_t trace;
- speed = sqrt(host_client->edict->v->velocity[0]*host_client->edict->v->velocity[0]+host_client->edict->v->velocity[1]*host_client->edict->v->velocity[1]);
+ speed = sqrt(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 (!speed)
return;
// if the leading edge is over a dropoff, increase friction
- start[0] = stop[0] = host_client->edict->v->origin[0] + host_client->edict->v->velocity[0]/speed*16;
- start[1] = stop[1] = host_client->edict->v->origin[1] + host_client->edict->v->velocity[1]/speed*16;
- start[2] = host_client->edict->v->origin[2] + host_client->edict->v->mins[2];
+ start[0] = stop[0] = host_client->edict->fields.server->origin[0] + host_client->edict->fields.server->velocity[0]/speed*16;
+ start[1] = stop[1] = host_client->edict->fields.server->origin[1] + host_client->edict->fields.server->velocity[1]/speed*16;
+ start[2] = host_client->edict->fields.server->origin[2] + host_client->edict->fields.server->mins[2];
stop[2] = start[2] - 34;
trace = SV_Move (start, vec3_origin, vec3_origin, stop, MOVE_NOMONSTERS, host_client->edict);
else
newspeed /= speed;
- VectorScale(host_client->edict->v->velocity, newspeed, host_client->edict->v->velocity);
+ VectorScale(host_client->edict->fields.server->velocity, newspeed, host_client->edict->fields.server->velocity);
}
/*
int i;
float addspeed, accelspeed, currentspeed;
- currentspeed = DotProduct (host_client->edict->v->velocity, wishdir);
+ currentspeed = DotProduct (host_client->edict->fields.server->velocity, wishdir);
addspeed = wishspeed - currentspeed;
if (addspeed <= 0)
return;
accelspeed = addspeed;
for (i=0 ; i<3 ; i++)
- host_client->edict->v->velocity[i] += accelspeed*wishdir[i];
+ host_client->edict->fields.server->velocity[i] += accelspeed*wishdir[i];
}
void SV_AirAccelerate (vec3_t wishveloc)
float addspeed, wishspd, accelspeed, currentspeed;
wishspd = VectorNormalizeLength (wishveloc);
- if (wishspd > 30)
- wishspd = 30;
- currentspeed = DotProduct (host_client->edict->v->velocity, wishveloc);
+ if (wishspd > sv_maxairspeed.value)
+ wishspd = sv_maxairspeed.value;
+ currentspeed = DotProduct (host_client->edict->fields.server->velocity, wishveloc);
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;
for (i=0 ; i<3 ; i++)
- host_client->edict->v->velocity[i] += accelspeed*wishveloc[i];
+ host_client->edict->fields.server->velocity[i] += accelspeed*wishveloc[i];
}
void DropPunchAngle (void)
{
float len;
- eval_t *val;
+ prvm_eval_t *val;
- len = VectorNormalizeLength (host_client->edict->v->punchangle);
+ len = VectorNormalizeLength (host_client->edict->fields.server->punchangle);
len -= 10*sv.frametime;
if (len < 0)
len = 0;
- VectorScale (host_client->edict->v->punchangle, len, host_client->edict->v->punchangle);
+ VectorScale (host_client->edict->fields.server->punchangle, len, host_client->edict->fields.server->punchangle);
- if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_punchvector)))
+ if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_punchvector)))
{
len = VectorNormalizeLength (val->vector);
int i;
float wishspeed;
- AngleVectors (host_client->edict->v->v_angle, forward, right, up);
+ AngleVectors (host_client->edict->fields.server->v_angle, forward, right, up);
for (i = 0; i < 3; i++)
- host_client->edict->v->velocity[i] = forward[i] * cmd.forwardmove + right[i] * cmd.sidemove;
+ host_client->edict->fields.server->velocity[i] = forward[i] * cmd.forwardmove + right[i] * cmd.sidemove;
- host_client->edict->v->velocity[2] += cmd.upmove;
+ host_client->edict->fields.server->velocity[2] += cmd.upmove;
- wishspeed = VectorLength(host_client->edict->v->velocity);
+ wishspeed = VectorLength(host_client->edict->fields.server->velocity);
if (wishspeed > sv_maxspeed.value)
- VectorScale(host_client->edict->v->velocity, sv_maxspeed.value / wishspeed, host_client->edict->v->velocity);
+ VectorScale(host_client->edict->fields.server->velocity, sv_maxspeed.value / wishspeed, host_client->edict->fields.server->velocity);
}
/*
float speed, newspeed, wishspeed, addspeed, accelspeed, temp;
// user intentions
- AngleVectors (host_client->edict->v->v_angle, forward, right, up);
+ AngleVectors (host_client->edict->fields.server->v_angle, forward, right, up);
for (i=0 ; i<3 ; i++)
wishvel[i] = forward[i]*cmd.forwardmove + right[i]*cmd.sidemove;
wishspeed *= 0.7;
// water friction
- speed = VectorLength(host_client->edict->v->velocity);
+ 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;
- VectorScale(host_client->edict->v->velocity, temp, host_client->edict->v->velocity);
+ VectorScale(host_client->edict->fields.server->velocity, temp, host_client->edict->fields.server->velocity);
}
else
newspeed = 0;
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;
for (i=0 ; i<3 ; i++)
- host_client->edict->v->velocity[i] += accelspeed * wishvel[i];
+ host_client->edict->fields.server->velocity[i] += accelspeed * wishvel[i];
}
void SV_WaterJump (void)
{
- if (sv.time > host_client->edict->v->teleport_time || !host_client->edict->v->waterlevel)
+ if (sv.time > host_client->edict->fields.server->teleport_time || !host_client->edict->fields.server->waterlevel)
{
- host_client->edict->v->flags = (int)host_client->edict->v->flags & ~FL_WATERJUMP;
- host_client->edict->v->teleport_time = 0;
+ host_client->edict->fields.server->flags = (int)host_client->edict->fields.server->flags & ~FL_WATERJUMP;
+ host_client->edict->fields.server->teleport_time = 0;
}
- host_client->edict->v->velocity[0] = host_client->edict->v->movedir[0];
- host_client->edict->v->velocity[1] = host_client->edict->v->movedir[1];
+ 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];
}
// LordHavoc: correct quake movement speed bug when looking up/down
wishvel[0] = wishvel[2] = 0;
- wishvel[1] = host_client->edict->v->angles[1];
+ wishvel[1] = host_client->edict->fields.server->angles[1];
AngleVectors (wishvel, forward, right, up);
fmove = cmd.forwardmove;
smove = cmd.sidemove;
// hack to not let you back into teleporter
- if (sv.time < host_client->edict->v->teleport_time && fmove < 0)
+ if (sv.time < host_client->edict->fields.server->teleport_time && fmove < 0)
fmove = 0;
for (i=0 ; i<3 ; i++)
wishvel[i] = forward[i]*fmove + right[i]*smove;
- if ((int)host_client->edict->v->movetype != MOVETYPE_WALK)
+ if ((int)host_client->edict->fields.server->movetype != MOVETYPE_WALK)
wishvel[2] += cmd.upmove;
VectorCopy (wishvel, wishdir);
wishspeed = sv_maxspeed.value;
}
- if (host_client->edict->v->movetype == MOVETYPE_NOCLIP)
+ if (host_client->edict->fields.server->movetype == MOVETYPE_NOCLIP)
{
// noclip
- VectorCopy (wishvel, host_client->edict->v->velocity);
+ 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 ();
{
vec3_t v_angle;
- if (host_client->edict->v->movetype == MOVETYPE_NONE)
+ if (host_client->edict->fields.server->movetype == MOVETYPE_NONE)
return;
- onground = (int)host_client->edict->v->flags & FL_ONGROUND;
+ onground = (int)host_client->edict->fields.server->flags & FL_ONGROUND;
DropPunchAngle ();
// if dead, behave differently
- if (host_client->edict->v->health <= 0)
+ if (host_client->edict->fields.server->health <= 0)
return;
cmd = host_client->cmd;
// angles
// show 1/3 the pitch angle and all the roll angle
- VectorAdd (host_client->edict->v->v_angle, host_client->edict->v->punchangle, v_angle);
- host_client->edict->v->angles[ROLL] = V_CalcRoll (host_client->edict->v->angles, host_client->edict->v->velocity)*4;
- if (!host_client->edict->v->fixangle)
+ VectorAdd (host_client->edict->fields.server->v_angle, host_client->edict->fields.server->punchangle, v_angle);
+ host_client->edict->fields.server->angles[ROLL] = V_CalcRoll (host_client->edict->fields.server->angles, host_client->edict->fields.server->velocity)*4;
+ if (!host_client->edict->fields.server->fixangle)
{
- host_client->edict->v->angles[PITCH] = -v_angle[PITCH]/3;
- host_client->edict->v->angles[YAW] = v_angle[YAW];
+ host_client->edict->fields.server->angles[PITCH] = -v_angle[PITCH]/3;
+ host_client->edict->fields.server->angles[YAW] = v_angle[YAW];
}
- if ( (int)host_client->edict->v->flags & FL_WATERJUMP )
+ if ( (int)host_client->edict->fields.server->flags & FL_WATERJUMP )
{
SV_WaterJump ();
return;
/*
// Player is (somehow) outside of the map, or flying, or noclipping
- if (host_client->edict->v->movetype != MOVETYPE_NOCLIP && (host_client->edict->v->movetype == MOVETYPE_FLY || SV_TestEntityPosition (host_client->edict)))
- //if (host_client->edict->v->movetype == MOVETYPE_NOCLIP || host_client->edict->v->movetype == MOVETYPE_FLY || SV_TestEntityPosition (host_client->edict))
+ if (host_client->edict->fields.server->movetype != MOVETYPE_NOCLIP && (host_client->edict->fields.server->movetype == MOVETYPE_FLY || SV_TestEntityPosition (host_client->edict)))
+ //if (host_client->edict->fields.server->movetype == MOVETYPE_NOCLIP || host_client->edict->fields.server->movetype == MOVETYPE_FLY || SV_TestEntityPosition (host_client->edict))
{
SV_FreeMove ();
return;
*/
// walk
- if ((host_client->edict->v->waterlevel >= 2) && (host_client->edict->v->movetype != MOVETYPE_NOCLIP))
+ if ((host_client->edict->fields.server->waterlevel >= 2) && (host_client->edict->fields.server->movetype != MOVETYPE_NOCLIP))
{
SV_WaterMove ();
return;
SV_AirMove ();
}
-#else
-
-extern cvar_t cl_rollspeed;
-extern cvar_t cl_rollangle;
-void SV_ClientThink(void)
+/*
+===================
+SV_ReadClientMove
+===================
+*/
+qboolean SV_ReadClientMove (void)
{
- int j;
- vec3_t wishvel, wishdir, v, v_forward, v_right, v_up, start, stop;
- float wishspeed, f, limit;
- trace_t trace;
+ qboolean kickplayer = false;
+ int i;
+#ifdef NUM_PING_TIMES
+ double total;
+#endif
+ double moveframetime;
+ usercmd_t newmove;
+ usercmd_t *move = &newmove;
- if (host_client->edict->v->movetype == MOVETYPE_NONE)
- return;
+ memset(move, 0, sizeof(*move));
- f = DotProduct(host_client->edict->v->punchangle, host_client->edict->v->punchangle);
- if (f)
- {
- limit = sqrt(f);
- f = (limit - 10 * sv.frametime);
- f /= limit;
- f = max(0, f);
- VectorScale(host_client->edict->v->punchangle, f, host_client->edict->v->punchangle);
- }
+ if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
- // if dead, behave differently
- if (host_client->edict->v->health <= 0)
- return;
+ // 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)
+ move->sequence = MSG_ReadLong ();
+ move->time = MSG_ReadFloat ();
+ if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
+ move->receivetime = (float)sv.time;
- AngleVectors(host_client->edict->v->v_angle, v_forward, v_right, v_up);
- // show 1/3 the pitch angle and all the roll angle
- f = DotProduct(host_client->edict->v->velocity, v_right) * (1.0 / cl_rollspeed.value);
- host_client->edict->v->angles[2] = bound(-1, f, 1) * cl_rollangle.value * 4;
- if (!host_client->edict->v->fixangle)
+ // limit reported time to current time
+ // (incase the client is trying to cheat)
+ move->time = min(move->time, move->receivetime + sv.frametime);
+
+ // read current angles
+ for (i = 0;i < 3;i++)
{
- host_client->edict->v->angles[0] = (host_client->edict->v->v_angle[0] + host_client->edict->v->punchangle[0]) * -0.333;
- host_client->edict->v->angles[1] = host_client->edict->v->v_angle[1] + host_client->edict->v->punchangle[1];
+ if (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE)
+ move->viewangles[i] = MSG_ReadAngle8i();
+ else if (sv.protocol == PROTOCOL_DARKPLACES1)
+ move->viewangles[i] = MSG_ReadAngle16i();
+ else if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
+ move->viewangles[i] = MSG_ReadAngle32f();
+ else
+ move->viewangles[i] = MSG_ReadAngle16i();
}
+ if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
+
+ // read movement
+ move->forwardmove = MSG_ReadCoord16i ();
+ move->sidemove = MSG_ReadCoord16i ();
+ move->upmove = MSG_ReadCoord16i ();
+ 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 ();
+ else
+ move->buttons = MSG_ReadLong ();
+ if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
- if ((int)host_client->edict->v->flags & FL_WATERJUMP)
+ // read impulse
+ move->impulse = MSG_ReadByte ();
+ 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)
{
- host_client->edict->v->velocity[0] = host_client->edict->v->movedir[0];
- host_client->edict->v->velocity[1] = host_client->edict->v->movedir[1];
- if (sv.time > host_client->edict->v->teleport_time || host_client->edict->v->waterlevel == 0)
+ // 30 bytes
+ move->cursor_screen[0] = MSG_ReadShort() * (1.0f / 32767.0f);
+ move->cursor_screen[1] = MSG_ReadShort() * (1.0f / 32767.0f);
+ move->cursor_start[0] = MSG_ReadFloat();
+ move->cursor_start[1] = MSG_ReadFloat();
+ move->cursor_start[2] = MSG_ReadFloat();
+ move->cursor_impact[0] = MSG_ReadFloat();
+ move->cursor_impact[1] = MSG_ReadFloat();
+ move->cursor_impact[2] = MSG_ReadFloat();
+ move->cursor_entitynumber = (unsigned short)MSG_ReadShort();
+ if (move->cursor_entitynumber >= prog->max_edicts)
{
- host_client->edict->v->flags = (int)host_client->edict->v->flags - ((int)host_client->edict->v->flags & FL_WATERJUMP);
- host_client->edict->v->teleport_time = 0;
+ Con_DPrintf("SV_ReadClientMessage: client send bad cursor_entitynumber\n");
+ move->cursor_entitynumber = 0;
}
- return;
+ // as requested by FrikaC, cursor_trace_ent is reset to world if the
+ // entity is free at time of receipt
+ if (PRVM_EDICT_NUM(move->cursor_entitynumber)->priv.server->free)
+ move->cursor_entitynumber = 0;
+ if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
}
- // swim
- if (host_client->edict->v->waterlevel >= 2)
- if (host_client->edict->v->movetype != MOVETYPE_NOCLIP)
+ if (move->sequence && move->sequence <= host_client->movesequence && move->sequence >= host_client->movesequence - 16)
{
- 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->v->velocity) * (1 - sv.frametime * sv_friction.value);
- if (f > 0)
- f /= VectorLength(host_client->edict->v->velocity);
- else
- f = 0;
- VectorScale(host_client->edict->v->velocity, f, host_client->edict->v->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->v->velocity, f, wishvel, host_client->edict->v->velocity);
- return;
+ // repeat of old input (to fight packet loss)
+ // the >= -16 check avoids frozen players after a level change
+ return kickplayer;
}
- // if not flying, move horizontally only
- if (host_client->edict->v->movetype != MOVETYPE_FLY)
+ // if the previous move has not been applied yet, we need to accumulate
+ // the impulse/buttons from it
+ if (!host_client->cmd.applied)
{
- VectorClear(wishvel);
- wishvel[1] = host_client->edict->v->v_angle[1];
- AngleVectors(wishvel, v_forward, v_right, v_up);
+ if (!move->impulse)
+ move->impulse = host_client->cmd.impulse;
+ move->buttons |= host_client->cmd.buttons;
}
- // hack to not let you back into teleporter
- VectorScale(v_right, host_client->cmd.sidemove, wishvel);
- if (sv.time >= host_client->edict->v->teleport_time || host_client->cmd.forwardmove > 0)
- VectorMA(wishvel, host_client->cmd.forwardmove, v_forward, wishvel);
- if (host_client->edict->v->movetype != MOVETYPE_WALK)
- wishvel[2] += cmd.upmove;
+ 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);
- VectorCopy(wishvel, wishdir);
- VectorNormalize(wishdir);
- wishspeed = VectorLength(wishvel);
- if (wishspeed > sv_maxspeed.value)
- wishspeed = sv_maxspeed.value;
+ // disable clientside movement prediction in some cases
+ if (ceil((move->receivetime - move->time) * 1000.0) < sv_clmovement_minping.integer)
+ host_client->clmovement_disabletimeout = realtime + sv_clmovement_minping_disabletime.value / 1000.0;
+ if (!sv_clmovement_enable.integer || host_client->clmovement_disabletimeout > realtime)
+ move->sequence = 0;
- if (host_client->edict->v->movetype == MOVETYPE_NOCLIP || host_client->edict->v->movetype == MOVETYPE_FLY)
- {
- VectorScale(wishdir, wishspeed, host_client->edict->v->velocity);
- return;
- }
+ // 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 ((int)host_client->edict->v->flags & FL_ONGROUND) // walking
+ // only start accepting input once the player is spawned
+ if (host_client->spawned)
{
- // friction
- f = host_client->edict->v->velocity[0] * host_client->edict->v->velocity[0] + host_client->edict->v->velocity[1] * host_client->edict->v->velocity[1];
- if (f)
+ // at this point we know this input is new and should be stored
+ host_client->cmd = *move;
+ host_client->movesequence = move->sequence;
+ // if using prediction, we need to perform moves when packets are
+ // received, even if multiple occur in one frame
+ // (they can't go beyond the current time so there is no cheat issue
+ // with this approach, and if they don't send input for a while they
+ // start moving anyway, so the longest 'lagaport' possible is
+ // determined by the sv_clmovement_waitforinput cvar)
+ if (host_client->movesequence && sv_clmovement_waitforinput.integer > 0 && moveframetime > 0)
{
- f = sqrt(f);
- VectorCopy(host_client->edict->v->velocity, v);
- v[2] = 0;
-
- // if the leading edge is over a dropoff, increase friction
- limit = 16.0f / f;
- VectorMA(host_client->edict->v->origin, limit, v, v);
- v[2] += host_client->edict->v->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->v->velocity, f, host_client->edict->v->velocity);
+ double oldframetime = prog->globals.server->frametime;
+ double oldframetime2 = sv.frametime;
+ // the server and qc frametime values must be changed temporarily
+ sv.frametime = moveframetime;
+ prog->globals.server->frametime = moveframetime;
+ SV_Physics_ClientEntity(host_client->edict);
+ sv.frametime = oldframetime2;
+ prog->globals.server->frametime = oldframetime;
+ host_client->clmovement_skipphysicsframes = sv_clmovement_waitforinput.integer;
}
}
- else // airborn
- wishspeed = min(wishspeed, 30);
- // ground or air acceleration
- f = wishspeed - DotProduct(host_client->edict->v->velocity, wishdir);
- if (f > 0)
- {
- limit = sv_accelerate.value * sv.frametime * wishspeed;
- if (f > limit)
- f = limit;
- VectorMA(host_client->edict->v->velocity, f, wishdir, host_client->edict->v->velocity);
- }
+ return kickplayer;
}
-#endif
-/*
-===================
-SV_ReadClientMove
-===================
-*/
-void SV_ReadClientMove (usercmd_t *move)
+void SV_ApplyClientMove (void)
{
- int i;
- vec3_t angle;
- int bits;
- eval_t *val;
- float total;
+ prvm_eval_t *val;
+ usercmd_t *move = &host_client->cmd;
- // read ping time
- if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
- host_client->ping_times[host_client->num_pings % NUM_PING_TIMES] = sv.time - MSG_ReadFloat ();
- if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
- host_client->num_pings++;
- for (i=0, total = 0;i < NUM_PING_TIMES;i++)
- total += host_client->ping_times[i];
- // can be used for prediction
- host_client->ping = total / NUM_PING_TIMES;
- if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_ping)))
- val->_float = host_client->ping * 1000.0;
-
- // read current angles
- for (i = 0;i < 3;i++)
- {
- if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
- if (sv.protocol == PROTOCOL_QUAKE)
- angle[i] = MSG_ReadAngle8i();
- else if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
- angle[i] = MSG_ReadAngle32f();
- else if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
- angle[i] = MSG_ReadAngle16i();
- if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
- }
+ if (!move->receivetime)
+ return;
- VectorCopy (angle, host_client->edict->v->v_angle);
+ // 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_button5))) val->_float = ((move->buttons >> 4) & 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);
+ if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_movement))) VectorSet(val->vector, move->forwardmove, move->sidemove, move->upmove);
+ if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_cursor_screen))) VectorCopy(move->cursor_screen, val->vector);
+ if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_cursor_trace_start))) VectorCopy(move->cursor_start, val->vector);
+ if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_cursor_trace_endpos))) VectorCopy(move->cursor_impact, val->vector);
+ if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_cursor_trace_ent))) val->edict = PRVM_EDICT_TO_PROG(PRVM_EDICT_NUM(move->cursor_entitynumber));
+ if ((val = PRVM_GETEDICTFIELDVALUE(host_client->edict, eval_ping))) val->_float = host_client->ping * 1000.0;
+}
- // read movement
- if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
- move->forwardmove = MSG_ReadCoord16i ();
- if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
- move->sidemove = MSG_ReadCoord16i ();
- if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
- move->upmove = MSG_ReadCoord16i ();
- if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
- if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_movement)))
- {
- val->vector[0] = move->forwardmove;
- val->vector[1] = move->sidemove;
- val->vector[2] = move->upmove;
- }
+void SV_FrameLost(int framenum)
+{
+ if (host_client->entitydatabase5)
+ EntityFrame5_LostFrame(host_client->entitydatabase5, framenum);
+}
- // read buttons
- bits = MSG_ReadByte ();
- if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
- host_client->edict->v->button0 = bits & 1;
- host_client->edict->v->button2 = (bits & 2)>>1;
- // LordHavoc: added 6 new buttons
- if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_button3))) val->_float = ((bits >> 2) & 1);
- if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_button4))) val->_float = ((bits >> 3) & 1);
- if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_button5))) val->_float = ((bits >> 4) & 1);
- if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_button6))) val->_float = ((bits >> 5) & 1);
- if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_button7))) val->_float = ((bits >> 6) & 1);
- if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_button8))) val->_float = ((bits >> 7) & 1);
-
- i = MSG_ReadByte ();
- if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
- if (i)
- host_client->edict->v->impulse = i;
+void SV_FrameAck(int framenum)
+{
+ if (host_client->entitydatabase)
+ EntityFrame_AckFrame(host_client->entitydatabase, framenum);
+ else if (host_client->entitydatabase4)
+ EntityFrame4_AckFrame(host_client->entitydatabase4, framenum, true);
+ else if (host_client->entitydatabase5)
+ EntityFrame5_AckFrame(host_client->entitydatabase5, framenum);
}
/*
===================
*/
extern void SV_SendServerinfo(client_t *client);
+extern sizebuf_t vm_tempstringsbuf;
void SV_ReadClientMessage(void)
{
- int cmd, num;
+ int cmd, num, start;
char *s;
//MSG_BeginReading ();
return;
}
- cmd = MSG_ReadChar ();
+ cmd = MSG_ReadByte ();
if (cmd == -1)
{
// end of message
Cmd_ExecuteString (s, src_client);
else if (SV_ParseClientCommandQC)
{
- G_INT(OFS_PARM0) = PR_SetString(s);
- pr_global_struct->self = EDICT_TO_PROG(host_client->edict);
- PR_ExecuteProgram ((func_t)(SV_ParseClientCommandQC - pr_functions), "QC function SV_ParseClientCommand is missing");
+ int restorevm_tempstringsbuf_cursize;
+ restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
+ PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(s);
+ prog->globals.server->self = PRVM_EDICT_TO_PROG(host_client->edict);
+ PRVM_ExecuteProgram ((func_t)(SV_ParseClientCommandQC - prog->functions), "QC function SV_ParseClientCommand is missing");
+ vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
}
- else if (strncasecmp(s, "status", 6) == 0
- || strncasecmp(s, "name", 4) == 0
- || strncasecmp(s, "say", 3) == 0
- || strncasecmp(s, "say_team", 8) == 0
- || strncasecmp(s, "tell", 4) == 0
- || strncasecmp(s, "color", 5) == 0
- || strncasecmp(s, "kill", 4) == 0
- || strncasecmp(s, "pause", 5) == 0
- || strncasecmp(s, "kick", 4) == 0
- || strncasecmp(s, "ping", 4) == 0
- || strncasecmp(s, "ban", 3) == 0
- || strncasecmp(s, "pmodel", 6) == 0
- || strncasecmp(s, "rate", 4) == 0
- || (gamemode == GAME_NEHAHRA && (strncasecmp(s, "max", 3) == 0 || strncasecmp(s, "monster", 7) == 0 || strncasecmp(s, "scrag", 5) == 0 || strncasecmp(s, "gimme", 5) == 0 || strncasecmp(s, "wraith", 6) == 0))
- || (gamemode != GAME_NEHAHRA && (strncasecmp(s, "god", 3) == 0 || strncasecmp(s, "notarget", 8) == 0 || strncasecmp(s, "fly", 3) == 0 || strncasecmp(s, "give", 4) == 0 || strncasecmp(s, "noclip", 6) == 0)))
- Cmd_ExecuteString (s, src_client);
else
- Con_Printf("%s tried to %s\n", host_client->name, s);
+ Cmd_ExecuteString (s, src_client);
break;
case clc_disconnect:
return;
case clc_move:
- SV_ReadClientMove (&host_client->cmd);
+ // if ReadClientMove returns true, the client tried to speed cheat
+ if (SV_ReadClientMove ())
+ SV_DropClient (false);
+ break;
+
+ case clc_ackdownloaddata:
+ start = MSG_ReadLong();
+ num = MSG_ReadShort();
+ if (host_client->download_file && host_client->download_started)
+ {
+ if (host_client->download_expectedposition == start)
+ {
+ int size = (int)FS_FileSize(host_client->download_file);
+ // a data block was successfully received by the client,
+ // update the expected position on the next data block
+ host_client->download_expectedposition = start + num;
+ // if this was the last data block of the file, it's done
+ if (host_client->download_expectedposition >= FS_FileSize(host_client->download_file))
+ {
+ // tell the client that the download finished
+ // we need to calculate the crc now
+ //
+ // note: at this point the OS probably has the file
+ // entirely in memory, so this is a faster operation
+ // now than it was when the download started.
+ //
+ // it is also preferable to do this at the end of the
+ // download rather than the start because it reduces
+ // potential for Denial Of Service attacks against the
+ // server.
+ int crc;
+ unsigned char *temp;
+ FS_Seek(host_client->download_file, 0, SEEK_SET);
+ temp = Mem_Alloc(tempmempool, size);
+ FS_Read(host_client->download_file, temp, size);
+ crc = CRC_Block(temp, size);
+ Mem_Free(temp);
+ // calculated crc, send the file info to the client
+ // (so that it can verify the data)
+ Host_ClientCommands(va("\ncl_downloadfinished %i %i %s\n", size, crc, host_client->download_name));
+ Con_DPrintf("Download of %s by %s has finished\n", host_client->download_name, host_client->name);
+ FS_Close(host_client->download_file);
+ host_client->download_file = NULL;
+ host_client->download_name[0] = 0;
+ host_client->download_expectedposition = 0;
+ host_client->download_started = false;
+ }
+ }
+ else
+ {
+ // a data block was lost, reset to the expected position
+ // and resume sending from there
+ FS_Seek(host_client->download_file, host_client->download_expectedposition, SEEK_SET);
+ }
+ }
break;
- case clc_ackentities:
+ case clc_ackframe:
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)
- Con_Printf("recv clc_ackentities %i\n", num);
- if (host_client->entitydatabase)
- EntityFrame_AckFrame(host_client->entitydatabase, num);
- else if (host_client->entitydatabase4)
- EntityFrame4_AckFrame(host_client->entitydatabase4, num, true);
- else if (host_client->entitydatabase5)
- EntityFrame5_AckFrame(host_client->entitydatabase5, num, host_client - svs.clients + 1);
- break;
- }
- }
-}
-
-/*
-==================
-SV_RunClients
-==================
-*/
-void SV_RunClients (void)
-{
- int i;
-
- for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
- {
- if (!host_client->active)
- continue;
-
- if (!host_client->spawned)
- {
- // clear client movement until a new packet is received
- memset (&host_client->cmd, 0, sizeof(host_client->cmd));
- continue;
- }
-
- if (sv.frametime)
- {
- // LordHavoc: QuakeC replacement for SV_ClientThink (player movement)
- if (SV_PlayerPhysicsQC)
+ 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
+ // previous level)
+ if (host_client->spawned && host_client->latestframenum < num)
{
- pr_global_struct->time = sv.time;
- pr_global_struct->self = EDICT_TO_PROG(host_client->edict);
- PR_ExecuteProgram ((func_t)(SV_PlayerPhysicsQC - pr_functions), "QC function SV_PlayerPhysics is missing");
+ int i;
+ for (i = host_client->latestframenum + 1;i < num;i++)
+ SV_FrameLost(i);
+ SV_FrameAck(num);
+ host_client->latestframenum = num;
}
- else
- SV_ClientThink ();
-
- SV_CheckVelocity(host_client->edict);
-
- // LordHavoc: a hack to ensure that the (rather silly) id1 quakec
- // player_run/player_stand1 does not horribly malfunction if the
- // velocity becomes a number that is both == 0 and != 0
- // (sounds to me like NaN but to be absolutely safe...)
- if (DotProduct(host_client->edict->v->velocity, host_client->edict->v->velocity) < 0.0001)
- VectorClear(host_client->edict->v->velocity);
+ break;
}
}
}