Refactored r_shadow_bouncegrid code into several functions, changed

[xonotic/darkplaces.git] / view.c

diff --git a/view.c b/view.c
index 559ab97ee819ad952f2cb05c2245e3ccc502b814..082365d4ef008e861f82e7d0fa24a62261debf39 100644 (file)
--- a/view.c
+++ b/view.c
@@ -110,6 +110,8 @@ cvar_t v_deathtiltangle = {0, "v_deathtiltangle", "80", "what roll angle to use
 // Prophecy camera pitchangle by Alexander "motorsep" Zubov
 cvar_t chase_pitchangle = {CVAR_SAVE, "chase_pitchangle", "55", "chase cam pitch angle"};
 
+cvar_t v_yshearing = {0, "v_yshearing", "0", "be all out of gum (set this to the maximum angle to allow Y shearing for - try values like 75)"};
+
 float  v_dmg_time, v_dmg_roll, v_dmg_pitch;
 
 
@@ -446,6 +448,7 @@ static void highpass3_limited(vec3_t value, vec_t fracx, vec_t limitx, vec_t fra
  *   cl.oldongrounbd
  *   cl.stairsmoothtime
  *   cl.stairsmoothz
+ *   cl.calcrefdef_prevtime
  * Extra input:
  *   cl.movecmd[0].time
  *   cl.movevars_stepheight
@@ -490,7 +493,9 @@ void V_CalcRefdefUsing (const matrix4x4_t *entrendermatrix, const vec3_t clviewa
                cl.lastongroundtime = cl.movecmd[0].time;
        }
        cl.oldonground = clonground;
+       cl.calcrefdef_prevtime = max(cl.calcrefdef_prevtime, cl.oldtime);
 
+       VectorClear(gunangles);
        VectorClear(gunorg);
        viewmodelmatrix_nobob = identitymatrix;
        viewmodelmatrix_withbob = identitymatrix;
@@ -519,6 +524,8 @@ void V_CalcRefdefUsing (const matrix4x4_t *entrendermatrix, const vec3_t clviewa
                        r_refdef.view.matrix = *entrendermatrix;
                        Matrix4x4_AdjustOrigin(&r_refdef.view.matrix, 0, 0, clstatsviewheight);
                }
+               if (v_yshearing.value > 0)
+                       Matrix4x4_QuakeToDuke3D(&r_refdef.view.matrix, &r_refdef.view.matrix, v_yshearing.value);
                Matrix4x4_Copy(&viewmodelmatrix_nobob, &r_refdef.view.matrix);
                Matrix4x4_ConcatScale(&viewmodelmatrix_nobob, cl_viewmodel_scale.value);
                Matrix4x4_Copy(&viewmodelmatrix_withbob, &viewmodelmatrix_nobob);
@@ -548,7 +555,7 @@ void V_CalcRefdefUsing (const matrix4x4_t *entrendermatrix, const vec3_t clviewa
 
                // apply the viewofs (even if chasecam is used)
                // Samual: Lets add smoothing for this too so that things like crouching are done with a transition.
-               viewheight = bound(0, (cl.time - cl.oldtime) / max(0.0001, cl_smoothviewheight.value), 1);
+               viewheight = bound(0, (cl.time - cl.calcrefdef_prevtime) / max(0.0001, cl_smoothviewheight.value), 1);
                viewheightavg = viewheightavg * (1 - viewheight) + clstatsviewheight * viewheight;
                vieworg[2] += viewheightavg;
 
@@ -589,9 +596,9 @@ void V_CalcRefdefUsing (const matrix4x4_t *entrendermatrix, const vec3_t clviewa
 #else
                                // trace from first person view location to our chosen third person view location
 #if 1
-                               trace = CL_TraceLine(vieworg, chase_dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_SKY, true, false, NULL, false, true);
+                               trace = CL_TraceLine(vieworg, chase_dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_SKY, collision_extendmovelength.value, true, false, NULL, false, true);
 #else
-                               trace = CL_TraceBox(vieworg, camboxmins, camboxmaxs, 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, collision_extendmovelength.value, true, false, NULL, false);
 #endif
                                VectorCopy(trace.endpos, bestvieworg);
                                offset[2] = 0;
@@ -604,9 +611,9 @@ void V_CalcRefdefUsing (const matrix4x4_t *entrendermatrix, const vec3_t clviewa
                                                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];
 #if 1
-                                               trace = CL_TraceLine(vieworg, chase_dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_SKY, true, false, NULL, false, true);
+                                               trace = CL_TraceLine(vieworg, chase_dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_SKY, collision_extendmovelength.value, true, false, NULL, false, true);
 #else
-                                               trace = CL_TraceBox(vieworg, camboxmins, camboxmaxs, 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, collision_extendmovelength.value, true, false, NULL, false);
 #endif
                                                if (bestvieworg[2] > trace.endpos[2])
                                                        bestvieworg[2] = trace.endpos[2];
@@ -632,7 +639,7 @@ void V_CalcRefdefUsing (const matrix4x4_t *entrendermatrix, const vec3_t clviewa
                                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_TraceLine(vieworg, chase_dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_SKY, true, false, NULL, false, true);
+                               trace = CL_TraceLine(vieworg, chase_dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_SKY, collision_extendmovelength.value, true, false, NULL, false, true);
                                VectorMAMAM(1, trace.endpos, 8, forward, 4, trace.plane.normal, vieworg);
                        }
                }
@@ -657,7 +664,7 @@ void V_CalcRefdefUsing (const matrix4x4_t *entrendermatrix, const vec3_t clviewa
                                float cycle;
                                vec_t frametime;
 
-                               frametime = (cl.time - cl.oldtime) * cl.movevars_timescale;
+                               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)
@@ -852,18 +859,25 @@ void V_CalcRefdefUsing (const matrix4x4_t *entrendermatrix, const vec3_t clviewa
                        viewangles[2] += v_idlescale.value * sin(cl.time*v_iroll_cycle.value) * v_iroll_level.value;
                }
                Matrix4x4_CreateFromQuakeEntity(&r_refdef.view.matrix, vieworg[0], vieworg[1], vieworg[2], viewangles[0], viewangles[1], viewangles[2], 1);
+               if (v_yshearing.value > 0)
+                       Matrix4x4_QuakeToDuke3D(&r_refdef.view.matrix, &r_refdef.view.matrix, v_yshearing.value);
 
                // calculate a viewmodel matrix for use in view-attached entities
                Matrix4x4_Copy(&viewmodelmatrix_nobob, &r_refdef.view.matrix);
                Matrix4x4_ConcatScale(&viewmodelmatrix_nobob, cl_viewmodel_scale.value);
 
                Matrix4x4_CreateFromQuakeEntity(&viewmodelmatrix_withbob, gunorg[0], gunorg[1], gunorg[2], gunangles[0], gunangles[1], gunangles[2], cl_viewmodel_scale.value);
+               if (v_yshearing.value > 0)
+                       Matrix4x4_QuakeToDuke3D(&viewmodelmatrix_withbob, &viewmodelmatrix_withbob, v_yshearing.value);
+
                VectorCopy(vieworg, cl.csqc_vieworiginfromengine);
                VectorCopy(viewangles, cl.csqc_viewanglesfromengine);
 
                Matrix4x4_Invert_Simple(&tmpmatrix, &r_refdef.view.matrix);
                Matrix4x4_Concat(&cl.csqc_viewmodelmatrixfromengine, &tmpmatrix, &viewmodelmatrix_withbob);
        }
+
+       cl.calcrefdef_prevtime = cl.time;
 }
 
 void V_CalcRefdef (void)
@@ -877,7 +891,7 @@ void V_CalcRefdef (void)
                ent = &cl.entities[cl.viewentity];
 
                cldead = (cl.stats[STAT_HEALTH] <= 0 && cl.stats[STAT_HEALTH] != -666 && cl.stats[STAT_HEALTH] != -2342);
-               V_CalcRefdefUsing(&ent->render.matrix, cl.viewangles, !ent->persistent.trail_allowed, cl.onground, cl.cmd.jump, cl.stats[STAT_VIEWHEIGHT], cldead, cl.intermission, cl.velocity); // FIXME use a better way to detect teleport/warp than trail_allowed
+               V_CalcRefdefUsing(&ent->render.matrix, cl.viewangles, !ent->persistent.trail_allowed, cl.onground, cl.cmd.jump, cl.stats[STAT_VIEWHEIGHT], cldead, cl.intermission != 0, cl.velocity); // FIXME use a better way to detect teleport/warp than trail_allowed
        }
        else
        {
@@ -1134,5 +1148,7 @@ void V_Init (void)
 
        Cvar_RegisterVariable (&v_deathtilt);
        Cvar_RegisterVariable (&v_deathtiltangle);
+
+       Cvar_RegisterVariable (&v_yshearing);
 }