+ vector gunorg = '0 0 0', gunangles = '0 0 0';
+ static vector gunorg_prev = '0 0 0', gunangles_prev = '0 0 0';
+
+ bool teleported = view.csqcmodel_teleported;
+
+ // 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
+ gunangles_prev = view_angles;
+ gunorg_prev = view_origin;
+ }
+
+ static vector gunorg_highpass = '0 0 0';
+
+ // 2. for the gun origin, only keep the high frequency (non-DC) parts, which is "somewhat like velocity"
+ gunorg_highpass += gunorg_prev;
+ highpass3_limited(view_origin,
+ frametime * autocvar_cl_followmodel_side_highpass1, autocvar_cl_followmodel_side_limit,
+ frametime * autocvar_cl_followmodel_side_highpass1, autocvar_cl_followmodel_side_limit,
+ frametime * autocvar_cl_followmodel_up_highpass1, autocvar_cl_followmodel_up_limit,
+ gunorg_highpass, gunorg);
+ gunorg_prev = view_origin;
+ gunorg_highpass -= gunorg_prev;
+
+ static vector gunangles_highpass = '0 0 0';
+
+ // in the highpass, we _store_ the DIFFERENCE to the actual view angles...
+ gunangles_highpass += gunangles_prev;
+ PITCH(gunangles_highpass) += 360 * floor((PITCH(view_angles) - PITCH(gunangles_highpass)) / 360 + 0.5);
+ YAW(gunangles_highpass) += 360 * floor((YAW(view_angles) - YAW(gunangles_highpass)) / 360 + 0.5);
+ ROLL(gunangles_highpass) += 360 * floor((ROLL(view_angles) - ROLL(gunangles_highpass)) / 360 + 0.5);
+ highpass3_limited(view_angles,
+ frametime * autocvar_cl_leanmodel_up_highpass1, autocvar_cl_leanmodel_up_limit,
+ frametime * autocvar_cl_leanmodel_side_highpass1, autocvar_cl_leanmodel_side_limit,
+ 0, 0,
+ gunangles_highpass, gunangles);
+ gunangles_prev = view_angles;
+ gunangles_highpass -= gunangles_prev;
+
+ // 3. calculate the RAW adjustment vectors
+ gunorg.x *= (autocvar_cl_followmodel ? -autocvar_cl_followmodel_side_speed : 0);
+ gunorg.y *= (autocvar_cl_followmodel ? -autocvar_cl_followmodel_side_speed : 0);
+ gunorg.z *= (autocvar_cl_followmodel ? -autocvar_cl_followmodel_up_speed : 0);
+
+ PITCH(gunangles) *= (autocvar_cl_leanmodel ? -autocvar_cl_leanmodel_up_speed : 0);
+ YAW(gunangles) *= (autocvar_cl_leanmodel ? -autocvar_cl_leanmodel_side_speed : 0);
+ ROLL(gunangles) = 0;
+
+ static vector gunorg_adjustment_highpass;
+ static vector gunorg_adjustment_lowpass;
+ static vector gunangles_adjustment_highpass;
+ static vector gunangles_adjustment_lowpass;
+
+ // 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 * autocvar_cl_followmodel_side_highpass,
+ frametime * autocvar_cl_followmodel_side_highpass,
+ frametime * autocvar_cl_followmodel_up_highpass,
+ gunorg_adjustment_highpass, gunorg);
+ lowpass3(gunorg,
+ frametime * autocvar_cl_followmodel_side_lowpass,
+ frametime * autocvar_cl_followmodel_side_lowpass,
+ frametime * autocvar_cl_followmodel_up_lowpass,
+ gunorg_adjustment_lowpass, gunorg);
+ // we assume here: PITCH = 0, YAW = 1, ROLL = 2
+ highpass3(gunangles,
+ frametime * autocvar_cl_leanmodel_up_highpass,
+ frametime * autocvar_cl_leanmodel_side_highpass,
+ 0,
+ gunangles_adjustment_highpass, gunangles);
+ lowpass3(gunangles,
+ frametime * autocvar_cl_leanmodel_up_lowpass,
+ frametime * autocvar_cl_leanmodel_side_lowpass,
+ 0,
+ gunangles_adjustment_lowpass, gunangles);
+ float xyspeed = bound(0, vlen(vec2(view.velocity)), 400);
+
+ // vertical view bobbing code
+ // TODO: cl_bob
+
+ // horizontal view bobbing code
+ // TODO: cl_bob2
+
+ // fall bobbing code
+ // causes the view to swing down and back up when touching the ground
+ // TODO: cl_bobfall
+
+ // gun model bobbing code
+ if (autocvar_cl_bobmodel)
+ {
+ // calculate for swinging gun model
+ // the gun bobs when running on the ground, but doesn't bob when you're in the air.
+ // Sajt: I tried to smooth out the transitions between bob and no bob, which works
+ // for the most part, but for some reason when you go through a message trigger or
+ // pick up an item or anything like that it will momentarily jolt the gun.
+ vector forward, right, up;
+ float bspeed;
+ float t = 1;
+ float s = time * autocvar_cl_bobmodel_speed;
+ if (clonground)
+ {
+ if (time - hitgroundtime < 0.2)
+ {
+ // just hit the ground, speed the bob back up over the next 0.2 seconds
+ t = time - hitgroundtime;
+ t = bound(0, t, 0.2);
+ t *= 5;
+ }
+ }
+ else
+ {
+ // recently left the ground, slow the bob down over the next 0.2 seconds
+ t = time - lastongroundtime;
+ t = 0.2 - bound(0, t, 0.2);
+ t *= 5;
+ }
+ bspeed = xyspeed * 0.01;
+ MAKEVECTORS(makevectors, gunangles, forward, right, up);
+ float bobr = bspeed * autocvar_cl_bobmodel_side * autocvar_cl_viewmodel_scale * sin(s) * t;
+ gunorg += bobr * right;
+ float bobu = bspeed * autocvar_cl_bobmodel_up * autocvar_cl_viewmodel_scale * cos(s * 2) * t;
+ gunorg += bobu * up;
+ }
+ this.origin += view_forward * gunorg.x + view_right * gunorg.y + view_up * gunorg.z;
+ gunangles.x = -gunangles.x; // pitch was inverted, now that actually matters
+ this.angles += gunangles;
+}
+
+.vector viewmodel_origin, viewmodel_angles;
+
+void viewmodel_draw(entity this)
+{
+ int mask = (intermission || (getstati(STAT_HEALTH) <= 0) || autocvar_chase_active) ? 0 : MASK_NORMAL;
+ float a = this.alpha;
+ int c = stof(getplayerkeyvalue(current_player, "colors"));
+ vector g = this.glowmod; // TODO: completely clientside: colormapPaletteColor(c & 0x0F, true) * 2;
+ entity me = CSQCModel_server2csqc(player_localentnum);
+ int fx = ((me.csqcmodel_effects & EFMASK_CHEAP)
+ | EF_NODEPTHTEST)
+ &~ (EF_FULLBRIGHT); // can mask team color, so get rid of it
+ for (entity e = this; e; e = e.weaponchild)
+ {
+ e.drawmask = mask;
+ e.alpha = a;
+ e.colormap = c;
+ e.glowmod = g;
+ e.csqcmodel_effects = fx;
+ WITH(entity, self, e, CSQCModel_Effects_Apply());
+ }
+ {
+ static string name_last;
+ string name = Weapons_from(activeweapon).mdl;
+ if (name != name_last)
+ {
+ name_last = name;
+ CL_WeaponEntity_SetModel(this, name);
+ this.viewmodel_origin = this.origin;
+ this.viewmodel_angles = this.angles;
+ }
+ anim_update(this);
+ if (!this.animstate_override)
+ anim_set(this, this.anim_idle, true, false, false);
+ }
+ float eta = (getstatf(STAT_WEAPON_NEXTTHINK) - time); // TODO: / W_WeaponRateFactor();
+ float f = 0; // 0..1; 0: fully active
+ switch (this.state)
+ {
+ case WS_RAISE:
+ {
+ // entity newwep = Weapons_from(activeweapon);
+ float delay = 0.2; // TODO: newwep.switchdelay_raise;
+ f = eta / max(eta, delay);
+ break;
+ }
+ case WS_DROP:
+ {
+ // entity oldwep = Weapons_from(activeweapon);
+ float delay = 0.2; // TODO: newwep.switchdelay_drop;
+ f = 1 - eta / max(eta, delay);
+ break;
+ }
+ case WS_CLEAR:
+ {
+ f = 1;
+ break;
+ }
+ }
+ this.origin = this.viewmodel_origin;
+ this.angles = this.viewmodel_angles;
+ this.angles_x = (-90 * f * f);
+ viewmodel_animate(this);
+ setorigin(this, this.origin);
+}
+
+entity viewmodel;
+STATIC_INIT(viewmodel) {
+ viewmodel = new(viewmodel);
+ viewmodel.draw = viewmodel_draw;
+}