cvar_t cl_movement_airaccelerate = {0, "cl_movement_airaccelerate", "-1", "how fast you accelerate while in the air (should match sv_airaccelerate), if less than 0 the cl_movement_accelerate variable is used instead"};
cvar_t cl_movement_wateraccelerate = {0, "cl_movement_wateraccelerate", "-1", "how fast you accelerate while in water (should match sv_wateraccelerate), if less than 0 the cl_movement_accelerate variable is used instead"};
cvar_t cl_movement_jumpvelocity = {0, "cl_movement_jumpvelocity", "270", "how fast you move upward when you begin a jump (should match the quakec code)"};
-cvar_t cl_movement_airaccel_qw = {0, "cl_movement_airaccel_qw", "1", "ratio of QW-style air control as opposed to simple acceleration (should match sv_airaccel_qw)"};
-cvar_t cl_movement_airaccel_sideways_friction = {0, "cl_movement_airaccel_sideways_friction", "0", "anti-sideways movement stabilization (should match sv_airaccel_sideways_friction)"};
+cvar_t cl_movement_airaccel_qw = {0, "cl_movement_airaccel_qw", "1", "ratio of QW-style air control as opposed to simple acceleration (reduces speed gain when zigzagging) (should match sv_airaccel_qw); when < 0, the speed is clamped against the maximum allowed forward speed after the move"};
+cvar_t cl_movement_airaccel_sideways_friction = {0, "cl_movement_airaccel_sideways_friction", "0", "anti-sideways movement stabilization (should match sv_airaccel_sideways_friction); when < 0, only so much friction is applied that braking (by accelerating backwards) cannot be stronger"};
cvar_t in_pitch_min = {0, "in_pitch_min", "-90", "how far downward you can aim (quake used -70"};
cvar_t in_pitch_max = {0, "in_pitch_max", "90", "how far upward you can aim (quake used 80"};
void CL_ClientMovement_Physics_PM_Accelerate(cl_clientmovement_state_t *s, vec3_t wishdir, vec_t wishspeed, vec_t wishspeed0, vec_t accel, vec_t accelqw, vec_t sidefric)
{
- vec_t vel_straight, vel_z;
+ vec_t vel_straight;
+ vec_t vel_z;
vec3_t vel_perpend;
- vec_t addspeed;
- vec_t savespeed;
+ vec_t step;
+ vec3_t vel_xy;
+ vec_t vel_xy_current;
+ vec_t vel_xy_backward, vel_xy_forward;
+ qboolean speedclamp;
+
+ speedclamp = (accelqw < 0);
+ if(speedclamp)
+ accelqw = -accelqw;
if(cl.moveflags & MOVEFLAG_Q2AIRACCELERATE)
wishspeed0 = wishspeed; // don't need to emulate this Q1 bug
- savespeed = VectorLength2(s->velocity);
-
vel_straight = DotProduct(s->velocity, wishdir);
vel_z = s->velocity[2];
- VectorMA(s->velocity, -vel_straight, wishdir, vel_perpend); vel_perpend[2] -= vel_z;
+ VectorCopy(s->velocity, vel_xy); vel_xy[2] -= vel_z;
+ VectorMA(vel_xy, -vel_straight, wishdir, vel_perpend);
+
+ step = accel * s->cmd.frametime * wishspeed0;
+
+ vel_xy_current = VectorLength(vel_xy);
+ vel_xy_forward = vel_xy_current + bound(0, wishspeed - vel_xy_current, step) * accelqw + step * (1 - accelqw);
+ vel_xy_backward = vel_xy_current - bound(0, wishspeed + vel_xy_current, step) * accelqw - step * (1 - accelqw);
+ if(vel_xy_backward < 0)
+ vel_xy_backward = 0; // not that it REALLY occurs that this would cause wrong behaviour afterwards
+
+ vel_straight = vel_straight + bound(0, wishspeed - vel_straight, step) * accelqw + step * (1 - accelqw);
- addspeed = wishspeed - vel_straight;
- if(addspeed > 0)
- vel_straight = vel_straight + min(addspeed, accel * s->cmd.frametime * wishspeed0) * accelqw;
- if(wishspeed > 0)
- vel_straight = vel_straight + min(wishspeed, accel * s->cmd.frametime * wishspeed0) * (1 - accelqw);
-
if(sidefric < 0 && VectorLength2(vel_perpend))
+ // negative: only apply so much sideways friction to stay below the speed you could get by "braking"
{
vec_t f, fmin;
- f = 1 + s->cmd.frametime * wishspeed * sidefric;
- fmin = (savespeed - vel_straight*vel_straight) / VectorLength2(vel_perpend);
+ f = 1 - s->cmd.frametime * wishspeed * sidefric;
+ fmin = (vel_xy_backward*vel_xy_backward - vel_straight*vel_straight) / VectorLength2(vel_perpend);
if(fmin <= 0)
VectorScale(vel_perpend, f, vel_perpend);
else
VectorScale(vel_perpend, 1 - s->cmd.frametime * wishspeed * sidefric, vel_perpend);
VectorMA(vel_perpend, vel_straight, wishdir, s->velocity);
+
+ if(speedclamp)
+ {
+ vel_xy_current = min(VectorLength(s->velocity), vel_xy_forward);
+ if(vel_xy_current > 0) // prevent division by zero
+ {
+ VectorNormalize(s->velocity);
+ VectorScale(s->velocity, vel_xy_current, s->velocity);
+ }
+ }
+
s->velocity[2] += vel_z;
}
MSG_WriteByte(buf, to->msec);
}
+void CL_NewFrameReceived(int num)
+{
+ if (developer_networkentities.integer >= 10)
+ Con_Printf("recv: svc_entities %i\n", num);
+ cl.latestframenums[cl.latestframenumsposition] = num;
+ cl.latestsendnums[cl.latestframenumsposition] = cl.cmd.sequence;
+ cl.latestframenumsposition = (cl.latestframenumsposition + 1) % LATESTFRAMENUMS;
+}
+
/*
==============
CL_SendMove
if (cls.protocol != PROTOCOL_QUAKEWORLD && buf.cursize)
{
- // ack the last few frame numbers
+ // ack entity frame numbers received since the last input was sent
// (redundent to improve handling of client->server packet loss)
- // for LATESTFRAMENUMS == 3 case this is 15 bytes
+ // if cl_netrepeatinput is 1 and client framerate matches server
+ // framerate, this is 10 bytes, if client framerate is lower this
+ // will be more...
+ int i, j;
+ int oldsequence = cl.cmd.sequence - bound(1, cl_netrepeatinput.integer + 1, 3);
+ if (oldsequence < 1)
+ oldsequence = 1;
for (i = 0;i < LATESTFRAMENUMS;i++)
{
- if (cl.latestframenums[i] > 0)
+ j = (cl.latestframenumsposition + i) % LATESTFRAMENUMS;
+ if (cl.latestsendnums[j] >= oldsequence)
{
if (developer_networkentities.integer >= 10)
- Con_Printf("send clc_ackframe %i\n", cl.latestframenums[i]);
+ Con_Printf("send clc_ackframe %i\n", cl.latestframenums[j]);
MSG_WriteByte(&buf, clc_ackframe);
- MSG_WriteLong(&buf, cl.latestframenums[i]);
+ MSG_WriteLong(&buf, cl.latestframenums[j]);
}
}
}
projects / xonotic / darkplaces.git / blobdiff