]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - view.c
fix the EndIncreaseEdicts handlers as edicts beyond num_edicts are not initialized yet
[xonotic/darkplaces.git] / view.c
diff --git a/view.c b/view.c
index 72d812bb1bf9752fbf2f511862ee9fb4df15d7c4..eacc8d0e93947e7f9016d460a868dd6d2058583b 100644 (file)
--- a/view.c
+++ b/view.c
@@ -45,6 +45,30 @@ cvar_t cl_bobmodel_side = {CVAR_SAVE, "cl_bobmodel_side", "0.15", "gun bobbing s
 cvar_t cl_bobmodel_up = {CVAR_SAVE, "cl_bobmodel_up", "0.06", "gun bobbing upward movement amount"};
 cvar_t cl_bobmodel_speed = {CVAR_SAVE, "cl_bobmodel_speed", "7", "gun bobbing speed"};
 
+cvar_t cl_leanmodel = {CVAR_SAVE, "cl_leanmodel", "0", "enables gun leaning"};
+cvar_t cl_leanmodel_side_speed = {CVAR_SAVE, "cl_leanmodel_side_speed", "1", "gun leaning sideways speed"};
+cvar_t cl_leanmodel_side_limit = {CVAR_SAVE, "cl_leanmodel_side_limit", "35", "gun leaning sideways limit"};
+cvar_t cl_leanmodel_side_highpass1 = {CVAR_SAVE, "cl_leanmodel_side_highpass1", "5", "gun leaning sideways pre-highpass in 1/s"};
+cvar_t cl_leanmodel_side_highpass = {CVAR_SAVE, "cl_leanmodel_side_highpass", "15", "gun leaning sideways highpass in 1/s"};
+cvar_t cl_leanmodel_side_lowpass = {CVAR_SAVE, "cl_leanmodel_side_lowpass", "30", "gun leaning sideways lowpass in 1/s"};
+cvar_t cl_leanmodel_up_speed = {CVAR_SAVE, "cl_leanmodel_up_speed", "1", "gun leaning upward speed"};
+cvar_t cl_leanmodel_up_limit = {CVAR_SAVE, "cl_leanmodel_up_limit", "25", "gun leaning upward limit"};
+cvar_t cl_leanmodel_up_highpass1 = {CVAR_SAVE, "cl_leanmodel_up_highpass1", "5", "gun leaning upward pre-highpass in 1/s"};
+cvar_t cl_leanmodel_up_highpass = {CVAR_SAVE, "cl_leanmodel_up_highpass", "15", "gun leaning upward highpass in 1/s"};
+cvar_t cl_leanmodel_up_lowpass = {CVAR_SAVE, "cl_leanmodel_up_lowpass", "30", "gun leaning upward lowpass in 1/s"};
+
+cvar_t cl_followmodel = {CVAR_SAVE, "cl_followmodel", "0", "enables gun following"};
+cvar_t cl_followmodel_side_speed = {CVAR_SAVE, "cl_followmodel_side_speed", "1", "gun following sideways speed"};
+cvar_t cl_followmodel_side_limit = {CVAR_SAVE, "cl_followmodel_side_limit", "4", "gun following sideways limit"};
+cvar_t cl_followmodel_side_highpass1 = {CVAR_SAVE, "cl_followmodel_side_highpass1", "5", "gun following sideways pre-highpass in 1/s"};
+cvar_t cl_followmodel_side_highpass = {CVAR_SAVE, "cl_followmodel_side_highpass", "15", "gun following sideways highpass in 1/s"};
+cvar_t cl_followmodel_side_lowpass = {CVAR_SAVE, "cl_followmodel_side_lowpass", "30", "gun following sideways lowpass in 1/s"};
+cvar_t cl_followmodel_up_speed = {CVAR_SAVE, "cl_followmodel_up_speed", "1", "gun following upward speed"};
+cvar_t cl_followmodel_up_limit = {CVAR_SAVE, "cl_followmodel_up_limit", "2", "gun following upward limit"};
+cvar_t cl_followmodel_up_highpass1 = {CVAR_SAVE, "cl_followmodel_up_highpass1", "5", "gun following upward pre-highpass in 1/s"};
+cvar_t cl_followmodel_up_highpass = {CVAR_SAVE, "cl_followmodel_up_highpass", "15", "gun following upward highpass in 1/s"};
+cvar_t cl_followmodel_up_lowpass = {CVAR_SAVE, "cl_followmodel_up_lowpass", "30", "gun following upward lowpass in 1/s"};
+
 cvar_t cl_viewmodel_scale = {0, "cl_viewmodel_scale", "1", "changes size of gun model, lower values prevent poking into walls but cause strange artifacts on lighting and especially r_stereo/vid_stereobuffer options where the size of the gun becomes visible"};
 
 cvar_t v_kicktime = {0, "v_kicktime", "0.5", "how long a view kick from damage lasts"};
@@ -353,14 +377,61 @@ V_CalcRefdef
 static vec3_t eyeboxmins = {-16, -16, -24};
 static vec3_t eyeboxmaxs = { 16,  16,  32};
 #endif
+
+static vec_t lowpass(vec_t value, vec_t frac, vec_t *store)
+{
+       frac = bound(0, frac, 1);
+       return (*store = *store * (1 - frac) + value * frac);
+}
+
+static vec_t lowpass_limited(vec_t value, vec_t frac, vec_t limit, vec_t *store)
+{
+       lowpass(value, frac, store);
+       return (*store = bound(value - limit, *store, value + limit));
+}
+
+static vec_t highpass(vec_t value, vec_t frac, vec_t *store)
+{
+       return value - lowpass(value, frac, store);
+}
+
+static vec_t highpass_limited(vec_t value, vec_t frac, vec_t limit, vec_t *store)
+{
+       return value - lowpass_limited(value, frac, limit, store);
+}
+
+static void lowpass3(vec3_t value, vec_t fracx, vec_t fracy, vec_t fracz, vec3_t store, vec3_t out)
+{
+       out[0] = lowpass(value[0], fracx, &store[0]);
+       out[1] = lowpass(value[1], fracy, &store[1]);
+       out[2] = lowpass(value[2], fracz, &store[2]);
+}
+
+static void highpass3(vec3_t value, vec_t fracx, vec_t fracy, vec_t fracz, vec3_t store, vec3_t out)
+{
+       out[0] = highpass(value[0], fracx, &store[0]);
+       out[1] = highpass(value[1], fracy, &store[1]);
+       out[2] = highpass(value[2], fracz, &store[2]);
+}
+
+static void highpass3_limited(vec3_t value, vec_t fracx, vec_t limitx, vec_t fracy, vec_t limity, vec_t fracz, vec_t limitz, vec3_t store, vec3_t out)
+{
+       out[0] = highpass_limited(value[0], fracx, limitx, &store[0]);
+       out[1] = highpass_limited(value[1], fracy, limity, &store[1]);
+       out[2] = highpass_limited(value[2], fracz, limitz, &store[2]);
+}
+
 void V_CalcRefdef (void)
 {
        entity_t *ent;
-       float vieworg[3], gunorg[3], viewangles[3], smoothtime;
+       float vieworg[3], viewangles[3], smoothtime;
+       float gunorg[3], gunangles[3];
+#if 0
 // begin of chase camera bounding box size for proper collisions by Alexander Zubov
        vec3_t camboxmins = {-3, -3, -3};
        vec3_t camboxmaxs = {3, 3, 3};
 // end of chase camera bounding box size for proper collisions by Alexander Zubov
+#endif
        trace_t trace;
        VectorClear(gunorg);
        viewmodelmatrix = identitymatrix;
@@ -439,13 +510,22 @@ void V_CalcRefdef (void)
                                        chase_dest[1] = vieworg[1] - forward[1] * camback + up[1] * camup;
                                        chase_dest[2] = vieworg[2] - forward[2] * camback + up[2] * camup;
 #if 0
-                                       //trace = CL_Move(vieworg, eyeboxmins, eyeboxmaxs, chase_dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_SKY, true, false, NULL, false);
-                                       trace = CL_Move(vieworg, camboxmins, camboxmaxs, chase_dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_SKY, true, false, NULL, false);
+#if 1
+                                       //trace = CL_TraceLine(vieworg, eyeboxmins, eyeboxmaxs, chase_dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_SKY, true, false, NULL, false);
+                                       trace = CL_TraceLine(vieworg, camboxmins, camboxmaxs, chase_dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_SKY, true, false, NULL, false);
+#else
+                                       //trace = CL_TraceBox(vieworg, eyeboxmins, eyeboxmaxs, chase_dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_SKY, true, false, NULL, false);
+                                       trace = CL_TraceBox(vieworg, camboxmins, camboxmaxs, chase_dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_SKY, true, false, NULL, false);
+#endif
                                        VectorCopy(trace.endpos, vieworg);
                                        vieworg[2] -= 8;
 #else
                                        // trace from first person view location to our chosen third person view location
-                                       trace = CL_Move(vieworg, camboxmins, camboxmaxs, chase_dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_SKY, true, false, NULL, false);
+#if 1
+                                       trace = CL_TraceLine(vieworg, chase_dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_SKY, true, false, NULL, false);
+#else
+                                       trace = CL_TraceBox(vieworg, camboxmins, camboxmaxs, chase_dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_SKY, true, false, NULL, false);
+#endif
                                        VectorCopy(trace.endpos, bestvieworg);
                                        offset[2] = 0;
                                        for (offset[0] = -16;offset[0] <= 16;offset[0] += 8)
@@ -456,7 +536,11 @@ void V_CalcRefdef (void)
                                                        chase_dest[0] = vieworg[0] - forward[0] * camback + up[0] * camup + offset[0];
                                                        chase_dest[1] = vieworg[1] - forward[1] * camback + up[1] * camup + offset[1];
                                                        chase_dest[2] = vieworg[2] - forward[2] * camback + up[2] * camup + offset[2];
-                                                       trace = CL_Move(vieworg, camboxmins, camboxmaxs, chase_dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_SKY, true, false, NULL, false);
+#if 1
+                                                       trace = CL_TraceLine(vieworg, chase_dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_SKY, true, false, NULL, false);
+#else
+                                                       trace = CL_TraceBox(vieworg, camboxmins, camboxmaxs, chase_dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_SKY, true, false, NULL, false);
+#endif
                                                        if (bestvieworg[2] > trace.endpos[2])
                                                                bestvieworg[2] = trace.endpos[2];
                                                }
@@ -481,7 +565,7 @@ void V_CalcRefdef (void)
                                        chase_dest[0] = vieworg[0] + forward[0] * dist;
                                        chase_dest[1] = vieworg[1] + forward[1] * dist;
                                        chase_dest[2] = vieworg[2] + forward[2] * dist + camup;
-                                       trace = CL_Move(vieworg, vec3_origin, vec3_origin, chase_dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_SKY, true, false, NULL, false);
+                                       trace = CL_TraceLine(vieworg, chase_dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_SKY, true, false, NULL, false);
                                        VectorMAMAM(1, trace.endpos, 8, forward, 4, trace.plane.normal, vieworg);
                                }
                        }
@@ -503,7 +587,56 @@ void V_CalcRefdef (void)
                                if (cl.stats[STAT_HEALTH] > 0)
                                {
                                        double xyspeed, bob;
+                                       vec_t frametime;
+
+                                       frametime = cl.realframetime * cl.movevars_timescale;
 
+                                       // 1. if we teleported, clear the frametime... the lowpass will recover the previous value then
+                                       if(!ent->persistent.trail_allowed) // FIXME improve this check
+                                       {
+                                               // try to fix the first highpass; result is NOT
+                                               // perfect! TODO find a better fix
+                                               VectorCopy(cl.viewangles, cl.gunangles_prev);
+                                               VectorCopy(cl.movement_origin, 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(cl.movement_origin, 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(cl.movement_origin, 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((cl.viewangles[PITCH] - cl.gunangles_highpass[PITCH]) / 360 + 0.5);
+                                       cl.gunangles_highpass[YAW] += 360 * floor((cl.viewangles[YAW] - cl.gunangles_highpass[YAW]) / 360 + 0.5);
+                                       cl.gunangles_highpass[ROLL] += 360 * floor((cl.viewangles[ROLL] - cl.gunangles_highpass[ROLL]) / 360 + 0.5);
+                                       highpass3_limited(cl.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(cl.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(cl.viewangles, gunangles, gunangles);
+
+                                       // view bobbing code
                                        xyspeed = sqrt(cl.movement_velocity[0]*cl.movement_velocity[0] + cl.movement_velocity[1]*cl.movement_velocity[1]);
                                        if (cl_bob.value && cl_bobcycle.value)
                                        {
@@ -523,10 +656,14 @@ void V_CalcRefdef (void)
                                                bob = xyspeed * cl_bob.value;
                                                bob = bob*0.3 + bob*0.7*cycle;
                                                vieworg[2] += bound(-7, bob, 4);
+                                               // we also need to adjust gunorg, or this appears like pushing the gun!
+                                               // In the old code, this was applied to vieworg BEFORE copying to gunorg,
+                                               // but this is not viable with the new followmodel code as that would mean
+                                               // that followmodel would work on the munged-by-bob vieworg and do feedback
+                                               gunorg[2] += bound(-7, bob, 4);
                                        }
 
-                                       VectorCopy(vieworg, gunorg);
-
+                                       // gun model bobbing code
                                        if (cl_bob.value && cl_bobmodel.value)
                                        {
                                                // calculate for swinging gun model
@@ -561,7 +698,7 @@ void V_CalcRefdef (void)
                                                }
 
                                                bspeed = bound (0, xyspeed, 400) * 0.01f;
-                                               AngleVectors (viewangles, forward, right, up);
+                                               AngleVectors (gunangles, forward, right, up);
                                                bob = bspeed * cl_bobmodel_side.value * cl_viewmodel_scale.value * sin (s) * t;
                                                VectorMA (gunorg, bob, right, gunorg);
                                                bob = bspeed * cl_bobmodel_up.value * cl_viewmodel_scale.value * cos (s * 2) * t;
@@ -575,7 +712,7 @@ void V_CalcRefdef (void)
                        else
                                Matrix4x4_CreateFromQuakeEntity(&r_refdef.view.matrix, vieworg[0], vieworg[1], vieworg[2], viewangles[0], viewangles[1], viewangles[2] + v_idlescale.value * sin(cl.time*v_iroll_cycle.value) * v_iroll_level.value, 1);
                        // calculate a viewmodel matrix for use in view-attached entities
-                       Matrix4x4_CreateFromQuakeEntity(&viewmodelmatrix, gunorg[0], gunorg[1], gunorg[2], viewangles[0], viewangles[1], viewangles[2], cl_viewmodel_scale.value);
+                       Matrix4x4_CreateFromQuakeEntity(&viewmodelmatrix, gunorg[0], gunorg[1], gunorg[2], gunangles[0], gunangles[1], gunangles[2], cl_viewmodel_scale.value);
                        VectorCopy(vieworg, cl.csqc_origin);
                        VectorCopy(viewangles, cl.csqc_angles);
                }
@@ -701,11 +838,31 @@ void V_CalcViewBlend(void)
                        a2 = 1 / r_refdef.viewblend[3];
                        VectorScale(r_refdef.viewblend, a2, r_refdef.viewblend);
                }
-
                r_refdef.viewblend[0] = bound(0.0f, r_refdef.viewblend[0] * (1.0f/255.0f), 1.0f);
                r_refdef.viewblend[1] = bound(0.0f, r_refdef.viewblend[1] * (1.0f/255.0f), 1.0f);
                r_refdef.viewblend[2] = bound(0.0f, r_refdef.viewblend[2] * (1.0f/255.0f), 1.0f);
                r_refdef.viewblend[3] = bound(0.0f, r_refdef.viewblend[3] * gl_polyblend.value, 1.0f);
+               
+               // Samual: Ugly hack, I know. But it's the best we can do since
+               // there is no way to detect client states from the engine.
+               if (cl.stats[STAT_HEALTH] <= 0 && cl.stats[STAT_HEALTH] != -666 && 
+                       cl.stats[STAT_HEALTH] != -2342 && cl_deathfade.value > 0)
+               {
+                       cl.deathfade += cl_deathfade.value * max(0.00001, cl.time - cl.oldtime);
+                       cl.deathfade = bound(0.0f, cl.deathfade, 0.9f);
+               }
+               else
+                       cl.deathfade = 0.0f;
+
+               if(cl.deathfade > 0)
+               {
+                       float a;
+                       float deathfadevec[3] = {0.3f, 0.0f, 0.0f};
+                       a = r_refdef.viewblend[3] + cl.deathfade - r_refdef.viewblend[3]*cl.deathfade;
+                       if(a > 0)
+                               VectorMAM(r_refdef.viewblend[3] * (1 - cl.deathfade) / a, r_refdef.viewblend, cl.deathfade / a, deathfadevec, r_refdef.viewblend);
+                       r_refdef.viewblend[3] = a;
+               }
        }
 }
 
@@ -745,6 +902,30 @@ void V_Init (void)
        Cvar_RegisterVariable (&cl_bobmodel_up);
        Cvar_RegisterVariable (&cl_bobmodel_speed);
 
+       Cvar_RegisterVariable (&cl_leanmodel);
+       Cvar_RegisterVariable (&cl_leanmodel_side_speed);
+       Cvar_RegisterVariable (&cl_leanmodel_side_limit);
+       Cvar_RegisterVariable (&cl_leanmodel_side_highpass1);
+       Cvar_RegisterVariable (&cl_leanmodel_side_lowpass);
+       Cvar_RegisterVariable (&cl_leanmodel_side_highpass);
+       Cvar_RegisterVariable (&cl_leanmodel_up_speed);
+       Cvar_RegisterVariable (&cl_leanmodel_up_limit);
+       Cvar_RegisterVariable (&cl_leanmodel_up_highpass1);
+       Cvar_RegisterVariable (&cl_leanmodel_up_lowpass);
+       Cvar_RegisterVariable (&cl_leanmodel_up_highpass);
+
+       Cvar_RegisterVariable (&cl_followmodel);
+       Cvar_RegisterVariable (&cl_followmodel_side_speed);
+       Cvar_RegisterVariable (&cl_followmodel_side_limit);
+       Cvar_RegisterVariable (&cl_followmodel_side_highpass1);
+       Cvar_RegisterVariable (&cl_followmodel_side_lowpass);
+       Cvar_RegisterVariable (&cl_followmodel_side_highpass);
+       Cvar_RegisterVariable (&cl_followmodel_up_speed);
+       Cvar_RegisterVariable (&cl_followmodel_up_limit);
+       Cvar_RegisterVariable (&cl_followmodel_up_highpass1);
+       Cvar_RegisterVariable (&cl_followmodel_up_lowpass);
+       Cvar_RegisterVariable (&cl_followmodel_up_highpass);
+
        Cvar_RegisterVariable (&cl_viewmodel_scale);
 
        Cvar_RegisterVariable (&v_kicktime);