+ // 2. for the gun origin, only keep the high frequency (non-DC) parts, which is "somewhat like velocity"
+ VectorAdd(cl.gunorg_highpass, cl.gunorg_prev, cl.gunorg_highpass);
+ highpass3_limited(vieworg, frametime*cl_followmodel_side_highpass1.value, cl_followmodel_side_limit.value, frametime*cl_followmodel_side_highpass1.value, cl_followmodel_side_limit.value, frametime*cl_followmodel_up_highpass1.value, cl_followmodel_up_limit.value, cl.gunorg_highpass, gunorg);
+ VectorCopy(vieworg, cl.gunorg_prev);
+ VectorSubtract(cl.gunorg_highpass, cl.gunorg_prev, cl.gunorg_highpass);
+
+ // in the highpass, we _store_ the DIFFERENCE to the actual view angles...
+ VectorAdd(cl.gunangles_highpass, cl.gunangles_prev, cl.gunangles_highpass);
+ cl.gunangles_highpass[PITCH] += 360 * floor((viewangles[PITCH] - cl.gunangles_highpass[PITCH]) / 360 + 0.5);
+ cl.gunangles_highpass[YAW] += 360 * floor((viewangles[YAW] - cl.gunangles_highpass[YAW]) / 360 + 0.5);
+ cl.gunangles_highpass[ROLL] += 360 * floor((viewangles[ROLL] - cl.gunangles_highpass[ROLL]) / 360 + 0.5);
+ highpass3_limited(viewangles, frametime*cl_leanmodel_up_highpass1.value, cl_leanmodel_up_limit.value, frametime*cl_leanmodel_side_highpass1.value, cl_leanmodel_side_limit.value, 0, 0, cl.gunangles_highpass, gunangles);
+ VectorCopy(viewangles, cl.gunangles_prev);
+ VectorSubtract(cl.gunangles_highpass, cl.gunangles_prev, cl.gunangles_highpass);
+
+ // 3. calculate the RAW adjustment vectors
+ gunorg[0] *= (cl_followmodel.value ? -cl_followmodel_side_speed.value : 0);
+ gunorg[1] *= (cl_followmodel.value ? -cl_followmodel_side_speed.value : 0);
+ gunorg[2] *= (cl_followmodel.value ? -cl_followmodel_up_speed.value : 0);
+
+ gunangles[PITCH] *= (cl_leanmodel.value ? -cl_leanmodel_up_speed.value : 0);
+ gunangles[YAW] *= (cl_leanmodel.value ? -cl_leanmodel_side_speed.value : 0);
+ gunangles[ROLL] = 0;
+
+ // 4. perform highpass/lowpass on the adjustment vectors (turning velocity into acceleration!)
+ // trick: we must do the lowpass LAST, so the lowpass vector IS the final vector!
+ highpass3(gunorg, frametime*cl_followmodel_side_highpass.value, frametime*cl_followmodel_side_highpass.value, frametime*cl_followmodel_up_highpass.value, cl.gunorg_adjustment_highpass, gunorg);
+ lowpass3(gunorg, frametime*cl_followmodel_side_lowpass.value, frametime*cl_followmodel_side_lowpass.value, frametime*cl_followmodel_up_lowpass.value, cl.gunorg_adjustment_lowpass, gunorg);
+ // we assume here: PITCH = 0, YAW = 1, ROLL = 2
+ highpass3(gunangles, frametime*cl_leanmodel_up_highpass.value, frametime*cl_leanmodel_side_highpass.value, 0, cl.gunangles_adjustment_highpass, gunangles);
+ lowpass3(gunangles, frametime*cl_leanmodel_up_lowpass.value, frametime*cl_leanmodel_side_lowpass.value, 0, cl.gunangles_adjustment_lowpass, gunangles);
+
+ // 5. use the adjusted vectors
+ VectorAdd(vieworg, gunorg, gunorg);
+ VectorAdd(viewangles, gunangles, gunangles);
+
+ // bounded XY speed, used by several effects below
+ xyspeed = bound (0, sqrt(clvelocity[0]*clvelocity[0] + clvelocity[1]*clvelocity[1]), cl_bob_velocity_limit.value);
+
+ // vertical view bobbing code
+ if (cl_bob.value && cl_bobcycle.value)
+ {
+ float bob_limit = cl_bob_limit.value;