Avoid running cl_followmodel and cl_leanmodel code if the relative cvars are turned off

From: Rudolf Polzer <divVerent@xonotic.org>

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@12338 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/view.c b/view.c
index 312a1bda61f05169d66dc7c2de0c646dc2629172..da8023961268e447a8e7c6dc2954ac8e3395901f 100644 (file)
--- a/view.c
+++ b/view.c
@@ -670,51 +670,54 @@ void V_CalcRefdefUsing (const matrix4x4_t *entrendermatrix, const vec3_t clviewa
 
                                frametime = (cl.time - cl.calcrefdef_prevtime) * cl.movevars_timescale;
 
-                               // 1. if we teleported, clear the frametime... the lowpass will recover the previous value then
-                               if(teleported)
+                               if(cl_followmodel.value || cl_leanmodel.value)
                                {
-                                       // try to fix the first highpass; result is NOT
-                                       // perfect! TODO find a better fix
-                                       VectorCopy(viewangles, cl.gunangles_prev);
+                                       // 1. if we teleported, clear the frametime... the lowpass will recover the previous value then
+                                       if(teleported)
+                                       {
+                                               // try to fix the first highpass; result is NOT
+                                               // perfect! TODO find a better fix
+                                               VectorCopy(viewangles, cl.gunangles_prev);
+                                               VectorCopy(vieworg, cl.gunorg_prev);
+                                       }
+
+                                       // 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_side_speed.value;
+                                       gunorg[1] *= -cl_followmodel_side_speed.value;
+                                       gunorg[2] *= -cl_followmodel_up_speed.value;
+
+                                       gunangles[PITCH] *= -cl_leanmodel_up_speed.value;
+                                       gunangles[YAW] *= -cl_leanmodel_side_speed.value;
+                                       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);
                                }
 
-                               // 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);