Removed collision_prefernudgedfraction cvar and trace.realfraction field, this has...
[xonotic/darkplaces.git] / model_brush.c
index f4789ce..1ae93a4 100644 (file)
@@ -793,19 +793,12 @@ static int Mod_Q1BSP_RecursiveHullCheck(RecursiveHullCheckTraceInfo_t *t, int nu
                                VectorCopy (plane->normal, t->trace->plane.normal);
                        }
 
-                       // calculate the true fraction
+                       // calculate the return fraction which is nudged off the surface a bit
                        t1 = DotProduct(t->trace->plane.normal, t->start) - t->trace->plane.dist;
                        t2 = DotProduct(t->trace->plane.normal, t->end) - t->trace->plane.dist;
-                       midf = t1 / (t1 - t2);
-                       t->trace->realfraction = bound(0, midf, 1);
-
-                       // calculate the return fraction which is nudged off the surface a bit
                        midf = (t1 - collision_impactnudge.value) / (t1 - t2);
                        t->trace->fraction = bound(0, midf, 1);
 
-                       if (collision_prefernudgedfraction.integer)
-                               t->trace->realfraction = t->trace->fraction;
-
 #if COLLISIONPARANOID >= 3
                        Con_Print("D");
 #endif
@@ -898,7 +891,6 @@ static void Mod_Q1BSP_TracePoint(struct model_s *model, const frameblend_t *fram
        memset(trace, 0, sizeof(trace_t));
        rhc.trace = trace;
        rhc.trace->fraction = 1;
-       rhc.trace->realfraction = 1;
        rhc.trace->allsolid = true;
        rhc.hull = &model->brushq1.hulls[0]; // 0x0x0
        VectorCopy(start, rhc.start);
@@ -930,7 +922,6 @@ static void Mod_Q1BSP_TraceLine(struct model_s *model, const frameblend_t *frame
        rhc.trace = trace;
        rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
        rhc.trace->fraction = 1;
-       rhc.trace->realfraction = 1;
        rhc.trace->allsolid = true;
        rhc.hull = &model->brushq1.hulls[0]; // 0x0x0
        VectorCopy(start, rhc.start);
@@ -948,7 +939,6 @@ static void Mod_Q1BSP_TraceLine(struct model_s *model, const frameblend_t *frame
                rhc.trace = &testtrace;
                rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
                rhc.trace->fraction = 1;
-               rhc.trace->realfraction = 1;
                rhc.trace->allsolid = true;
                VectorCopy(test, rhc.start);
                VectorCopy(test, rhc.end);
@@ -987,7 +977,6 @@ static void Mod_Q1BSP_TraceBox(struct model_s *model, const frameblend_t *frameb
        rhc.trace = trace;
        rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
        rhc.trace->fraction = 1;
-       rhc.trace->realfraction = 1;
        rhc.trace->allsolid = true;
        VectorSubtract(boxmaxs, boxmins, boxsize);
        if (boxsize[0] < 3)
@@ -1030,7 +1019,6 @@ static void Mod_Q1BSP_TraceBox(struct model_s *model, const frameblend_t *frameb
                rhc.trace = &testtrace;
                rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
                rhc.trace->fraction = 1;
-               rhc.trace->realfraction = 1;
                rhc.trace->allsolid = true;
                VectorCopy(test, rhc.start);
                VectorCopy(test, rhc.end);
@@ -1099,7 +1087,6 @@ void Collision_ClipTrace_Box(trace_t *trace, const vec3_t cmins, const vec3_t cm
        memset(trace, 0, sizeof(trace_t));
        trace->hitsupercontentsmask = hitsupercontentsmask;
        trace->fraction = 1;
-       trace->realfraction = 1;
        Collision_TraceLineBrushFloat(trace, start, end, &cbox, &cbox);
 #else
        RecursiveHullCheckTraceInfo_t rhc;
@@ -1157,7 +1144,6 @@ void Collision_ClipTrace_Box(trace_t *trace, const vec3_t cmins, const vec3_t cm
        rhc.trace = trace;
        rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
        rhc.trace->fraction = 1;
-       rhc.trace->realfraction = 1;
        rhc.trace->allsolid = true;
        VectorCopy(start, rhc.start);
        VectorCopy(end, rhc.end);
@@ -1173,7 +1159,6 @@ void Collision_ClipTrace_Point(trace_t *trace, const vec3_t cmins, const vec3_t
 {
        memset(trace, 0, sizeof(trace_t));
        trace->fraction = 1;
-       trace->realfraction = 1;
        if (BoxesOverlap(start, start, cmins, cmaxs))
        {
                trace->startsupercontents |= boxsupercontents;
@@ -1398,19 +1383,12 @@ static const texture_t *Mod_Q1BSP_TraceLineAgainstSurfacesFindTextureOnNode(Recu
                VectorCopy(normal, t->trace->plane.normal);
                t->trace->plane.dist = DotProduct(normal, p);
 
-               // calculate the true fraction
+               // calculate the return fraction which is nudged off the surface a bit
                t1 = DotProduct(t->start, t->trace->plane.normal) - t->trace->plane.dist;
                t2 = DotProduct(t->end, t->trace->plane.normal) - t->trace->plane.dist;
-               midf = t1 / (t1 - t2);
-               t->trace->realfraction = midf;
-
-               // calculate the return fraction which is nudged off the surface a bit
                midf = (t1 - collision_impactnudge.value) / (t1 - t2);
                t->trace->fraction = bound(0, midf, 1);
 
-               if (collision_prefernudgedfraction.integer)
-                       t->trace->realfraction = t->trace->fraction;
-
                t->trace->hittexture = surface->texture->currentframe;
                t->trace->hitq3surfaceflags = t->trace->hittexture->surfaceflags;
                t->trace->hitsupercontents = t->trace->hittexture->supercontents;
@@ -1521,7 +1499,6 @@ static void Mod_Q1BSP_TraceLineAgainstSurfaces(struct model_s *model, const fram
        rhc.trace = trace;
        rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
        rhc.trace->fraction = 1;
-       rhc.trace->realfraction = 1;
        rhc.trace->allsolid = true;
        rhc.hull = &model->brushq1.hulls[0]; // 0x0x0
        VectorCopy(start, rhc.start);
@@ -6243,7 +6220,6 @@ void Mod_CollisionBIH_TracePoint(dp_model_t *model, const frameblend_t *frameble
 
        memset(trace, 0, sizeof(*trace));
        trace->fraction = 1;
-       trace->realfraction = 1;
        trace->hitsupercontentsmask = hitsupercontentsmask;
 
        bih = &model->collision_bih;
@@ -6319,7 +6295,6 @@ static void Mod_CollisionBIH_TraceLineShared(dp_model_t *model, const frameblend
 
        memset(trace, 0, sizeof(*trace));
        trace->fraction = 1;
-       trace->realfraction = 1;
        trace->hitsupercontentsmask = hitsupercontentsmask;
 
        // push first node
@@ -6459,7 +6434,6 @@ void Mod_CollisionBIH_TraceBrush(dp_model_t *model, const frameblend_t *frameble
        // box trace, performed as brush trace
        memset(trace, 0, sizeof(*trace));
        trace->fraction = 1;
-       trace->realfraction = 1;
        trace->hitsupercontentsmask = hitsupercontentsmask;
 
        // calculate tracebox-like parameters for efficient culling
@@ -6606,14 +6580,12 @@ void Mod_CollisionBIH_TracePoint_Mesh(dp_model_t *model, const frameblend_t *fra
 #endif
        memset(trace, 0, sizeof(*trace));
        trace->fraction = 1;
-       trace->realfraction = 1;
        trace->hitsupercontentsmask = hitsupercontentsmask;
 #if 0
        Mod_CollisionBIH_TraceLine(model, frameblend, skeleton, trace, start, end, hitsupercontentsmask);
        hitsupercontents = trace->hitsupercontents;
        memset(trace, 0, sizeof(*trace));
        trace->fraction = 1;
-       trace->realfraction = 1;
        trace->hitsupercontentsmask = hitsupercontentsmask;
        trace->startsupercontents = hitsupercontents;
 #endif
@@ -6628,7 +6600,6 @@ int Mod_CollisionBIH_PointSuperContents_Mesh(struct model_s *model, int frame, c
        VectorSet(end, start[0], start[1], model->normalmins[2]);
        memset(&trace, 0, sizeof(trace));
        trace.fraction = 1;
-       trace.realfraction = 1;
        trace.hitsupercontentsmask = 0;
        Mod_CollisionBIH_TraceLine(model, frameblend, skeleton, trace, start, end, hitsupercontentsmask);
        return trace.hitsupercontents;
@@ -6710,7 +6681,7 @@ static void Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace_t *trace, dp_model_t *mod
                        Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, node->children[startside], start, mid, startfrac, midfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
                        // if we found an impact on the front side, don't waste time
                        // exploring the far side
-                       if (midfrac <= trace->realfraction)
+                       if (midfrac <= trace->fraction)
                                Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, node->children[endside], mid, end, midfrac, endfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
                        return;
                }
@@ -6858,7 +6829,6 @@ static void Mod_Q3BSP_TracePoint(dp_model_t *model, const frameblend_t *frameble
        q3mbrush_t *brush;
        memset(trace, 0, sizeof(*trace));
        trace->fraction = 1;
-       trace->realfraction = 1;
        trace->hitsupercontentsmask = hitsupercontentsmask;
        if (mod_collision_bih.integer)
                Mod_CollisionBIH_TracePoint(model, frameblend, skeleton, trace, start, hitsupercontentsmask);
@@ -6887,7 +6857,6 @@ static void Mod_Q3BSP_TraceLine(dp_model_t *model, const frameblend_t *frameblen
 
        memset(trace, 0, sizeof(*trace));
        trace->fraction = 1;
-       trace->realfraction = 1;
        trace->hitsupercontentsmask = hitsupercontentsmask;
        segmentmins[0] = min(start[0], end[0]) - 1;
        segmentmins[1] = min(start[1], end[1]) - 1;
@@ -6930,7 +6899,6 @@ static void Mod_Q3BSP_TraceBrush(dp_model_t *model, const frameblend_t *frameble
        // box trace, performed as brush trace
        memset(trace, 0, sizeof(*trace));
        trace->fraction = 1;
-       trace->realfraction = 1;
        trace->hitsupercontentsmask = hitsupercontentsmask;
        segmentmins[0] = min(start->mins[0], end->mins[0]) - 1;
        segmentmins[1] = min(start->mins[1], end->mins[1]) - 1;