]> git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - collision.c
Fix bug where r_showbboxes broke bloom texture updates by setting GL_CullFace in...
[xonotic/darkplaces.git] / collision.c
index e574773b1fb7d6a72069277d6c5a87d210902d0d..c9cfc976ebb6760d1c56bcf43fdcf9f143fd4e23 100644 (file)
 #define COLLISION_PLANE_DIST_EPSILON (2.0f / COLLISION_SNAPSCALE)
 
 cvar_t collision_impactnudge = {0, "collision_impactnudge", "0.03125", "how much to back off from the impact"};
-cvar_t collision_startnudge = {0, "collision_startnudge", "0", "how much to bias collision trace start"};
-cvar_t collision_endnudge = {0, "collision_endnudge", "0", "how much to bias collision trace end"};
-cvar_t collision_enternudge = {0, "collision_enternudge", "0", "how much to bias collision entry fraction"};
-cvar_t collision_leavenudge = {0, "collision_leavenudge", "0", "how much to bias collision exit fraction"};
-cvar_t collision_extendmovelength = {0, "collision_extendmovelength", "16", "internal bias on trace length to ensure detection of collisions within the collision_impactnudge/collision_enternudge/collision_leavenudge distance so that short moves do not degrade across frames (this does not alter the final trace length)"};
-cvar_t collision_extendtraceboxlength = {0, "collision_extendtraceboxlength", "1", "internal bias for tracebox() qc builtin to account for collision_impactnudge/collision_enternudge/collision_leavenudge (this does not alter the final trace length)"};
-cvar_t collision_extendtracelinelength = {0, "collision_extendtracelinelength", "1", "internal bias for traceline() qc builtin to account for collision_impactnudge/collision_enternudge/collision_leavenudge (this does not alter the final trace length)"};
+cvar_t collision_extendmovelength = {0, "collision_extendmovelength", "16", "internal bias on trace length to ensure detection of collisions within the collision_impactnudge distance so that short moves do not degrade across frames (this does not alter the final trace length)"};
+cvar_t collision_extendtraceboxlength = {0, "collision_extendtraceboxlength", "1", "internal bias for tracebox() qc builtin to account for collision_impactnudge (this does not alter the final trace length)"};
+cvar_t collision_extendtracelinelength = {0, "collision_extendtracelinelength", "1", "internal bias for traceline() qc builtin to account for collision_impactnudge (this does not alter the final trace length)"};
 cvar_t collision_debug_tracelineasbox = {0, "collision_debug_tracelineasbox", "0", "workaround for any bugs in Collision_TraceLineBrushFloat by using Collision_TraceBrushBrushFloat"};
 cvar_t collision_cache = {0, "collision_cache", "1", "store results of collision traces for next frame to reuse if possible (optimization)"};
 //cvar_t collision_triangle_neighborsides = {0, "collision_triangle_neighborsides", "1", "override automatic side generation if triangle has neighbors with face planes that form a convex edge (perfect solution, but can not work for all edges)"};
@@ -28,10 +24,6 @@ mempool_t *collision_mempool;
 void Collision_Init (void)
 {
        Cvar_RegisterVariable(&collision_impactnudge);
-       Cvar_RegisterVariable(&collision_startnudge);
-       Cvar_RegisterVariable(&collision_endnudge);
-       Cvar_RegisterVariable(&collision_enternudge);
-       Cvar_RegisterVariable(&collision_leavenudge);
        Cvar_RegisterVariable(&collision_extendmovelength);
        Cvar_RegisterVariable(&collision_extendtracelinelength);
        Cvar_RegisterVariable(&collision_extendtraceboxlength);
@@ -170,7 +162,7 @@ static void Collision_CalcEdgeDirsForPolygonBrushFloat(colbrushf_t *brush)
 colbrushf_t *Collision_NewBrushFromPlanes(mempool_t *mempool, int numoriginalplanes, const colplanef_t *originalplanes, int supercontents, int q3surfaceflags, const texture_t *texture, int hasaabbplanes)
 {
        // TODO: planesbuf could be replaced by a remapping table
-       int j, k, l, m, w, xyzflags;
+       int j, k, w, xyzflags;
        int numpointsbuf = 0, maxpointsbuf = 256, numedgedirsbuf = 0, maxedgedirsbuf = 256, numplanesbuf = 0, maxplanesbuf = 256, numelementsbuf = 0, maxelementsbuf = 256;
        int isaabb = true;
        double maxdist;
@@ -211,6 +203,7 @@ colbrushf_t *Collision_NewBrushFromPlanes(mempool_t *mempool, int numoriginalpla
        // whose polygon is clipped away by the other planes)
        for (j = 0;j < numoriginalplanes;j++)
        {
+               int n;
                // add the new plane
                VectorCopy(originalplanes[j].normal, planesbuf[numplanesbuf].normal);
                planesbuf[numplanesbuf].dist = originalplanes[j].dist;
@@ -276,6 +269,7 @@ colbrushf_t *Collision_NewBrushFromPlanes(mempool_t *mempool, int numoriginalpla
                // add the unique points for this polygon
                for (k = 0;k < pnumpoints;k++)
                {
+                       int m;
                        float v[3];
                        // downgrade to float precision before comparing
                        VectorCopy(&p[w][k*3], v);
@@ -313,11 +307,12 @@ colbrushf_t *Collision_NewBrushFromPlanes(mempool_t *mempool, int numoriginalpla
                }
 
                // add the unique edgedirs for this polygon
-               for (k = 0, l = pnumpoints-1;k < pnumpoints;l = k, k++)
+               for (k = 0, n = pnumpoints-1;k < pnumpoints;n = k, k++)
                {
+                       int m;
                        float dir[3];
                        // downgrade to float precision before comparing
-                       VectorSubtract(&p[w][k*3], &p[w][l*3], dir);
+                       VectorSubtract(&p[w][k*3], &p[w][n*3], dir);
                        VectorNormalize(dir);
 
                        // check if there is already a matching edgedir (no duplicates)
@@ -454,7 +449,6 @@ colbrushf_t *Collision_NewBrushFromPlanes(mempool_t *mempool, int numoriginalpla
 
 void Collision_CalcPlanesForTriangleBrushFloat(colbrushf_t *brush)
 {
-       int i;
        float edge0[3], edge1[3], edge2[3];
        colpointf_t *p;
 
@@ -547,6 +541,7 @@ void Collision_CalcPlanesForTriangleBrushFloat(colbrushf_t *brush)
 
        if (developer_extra.integer)
        {
+               int i;
                // validity check - will be disabled later
                Collision_ValidateBrush(brush);
                for (i = 0;i < brush->numplanes;i++)
@@ -651,13 +646,13 @@ void Collision_TraceBrushBrushFloat(trace_t *trace, const colbrushf_t *trace_sta
                        VectorNormalize(endplane);
                }
                startplane[3] = furthestplanedist_float(startplane, other_start->points, othernumpoints);
-               endplane[3] = furthestplanedist_float(startplane, other_end->points, othernumpoints);
-               startdist = nearestplanedist_float(startplane, trace_start->points, tracenumpoints) - startplane[3] - collision_startnudge.value;
-               enddist = nearestplanedist_float(endplane, trace_end->points, tracenumpoints) - endplane[3] - collision_endnudge.value;
+               endplane[3] = furthestplanedist_float(endplane, other_end->points, othernumpoints);
+               startdist = nearestplanedist_float(startplane, trace_start->points, tracenumpoints) - startplane[3];
+               enddist = nearestplanedist_float(endplane, trace_end->points, tracenumpoints) - endplane[3];
                //Con_Printf("%c%i: startdist = %f, enddist = %f, startdist / (startdist - enddist) = %f\n", nplane2 != nplane ? 'b' : 'a', nplane2, startdist, enddist, startdist / (startdist - enddist));
 
                // aside from collisions, this is also used for error correction
-               if (startdist <= collision_impactnudge.value && nplane < numplanes1 && (startdepth < startdist || startdepth == 1))
+               if (startdist <= 0.0f && nplane < numplanes1 && (startdepth < startdist || startdepth == 1))
                {
                        startdepth = startdist;
                        VectorCopy(startplane, startdepthnormal);
@@ -666,15 +661,13 @@ void Collision_TraceBrushBrushFloat(trace_t *trace, const colbrushf_t *trace_sta
                if (startdist > enddist)
                {
                        // moving into brush
-                       if (enddist >= collision_enternudge.value)
+                       if (enddist > 0.0f)
                                return;
                        if (startdist >= 0)
                        {
                                // enter
                                imove = 1 / (startdist - enddist);
-                               f = (startdist - collision_enternudge.value) * imove;
-                               if (f < 0)
-                                       f = 0;
+                               f = startdist * imove;
                                // check if this will reduce the collision time range
                                if (enterfrac < f)
                                {
@@ -726,9 +719,7 @@ void Collision_TraceBrushBrushFloat(trace_t *trace, const colbrushf_t *trace_sta
                        if (enddist > 0)
                        {
                                // leave
-                               f = (startdist + collision_leavenudge.value) / (startdist - enddist);
-                               if (f > 1)
-                                       f = 1;
+                               f = startdist / (startdist - enddist);
                                // check if this will reduce the collision time range
                                if (leavefrac > f)
                                {
@@ -750,7 +741,7 @@ void Collision_TraceBrushBrushFloat(trace_t *trace, const colbrushf_t *trace_sta
        {
                // started outside, and overlaps, therefore there is a collision here
                // store out the impact information
-               if (trace->hitsupercontentsmask & other_start->supercontents)
+               if ((trace->hitsupercontentsmask & other_start->supercontents) && !(trace->skipsupercontentsmask & other_start->supercontents))
                {
                        trace->hitsupercontents = other_start->supercontents;
                        trace->hitq3surfaceflags = hitq3surfaceflags;
@@ -764,7 +755,7 @@ void Collision_TraceBrushBrushFloat(trace_t *trace, const colbrushf_t *trace_sta
        {
                // started inside, update startsolid and friends
                trace->startsupercontents |= other_start->supercontents;
-               if (trace->hitsupercontentsmask & other_start->supercontents)
+               if ((trace->hitsupercontentsmask & other_start->supercontents) && !(trace->skipsupercontentsmask & other_start->supercontents))
                {
                        trace->startsolid = true;
                        if (leavefrac < 1)
@@ -821,12 +812,12 @@ void Collision_TraceLineBrushFloat(trace_t *trace, const vec3_t linestart, const
                startplane[3] = other_start->planes[nplane].dist;
                VectorCopy(other_end->planes[nplane].normal, endplane);
                endplane[3] = other_end->planes[nplane].dist;
-               startdist = DotProduct(linestart, startplane) - startplane[3] - collision_startnudge.value;
-               enddist = DotProduct(lineend, endplane) - endplane[3] - collision_endnudge.value;
+               startdist = DotProduct(linestart, startplane) - startplane[3];
+               enddist = DotProduct(lineend, endplane) - endplane[3];
                //Con_Printf("%c%i: startdist = %f, enddist = %f, startdist / (startdist - enddist) = %f\n", nplane2 != nplane ? 'b' : 'a', nplane2, startdist, enddist, startdist / (startdist - enddist));
 
                // aside from collisions, this is also used for error correction
-               if (startdist < collision_impactnudge.value && (startdepth < startdist || startdepth == 1))
+               if (startdist <= 0.0f && (startdepth < startdist || startdepth == 1))
                {
                        startdepth = startdist;
                        VectorCopy(startplane, startdepthnormal);
@@ -835,15 +826,13 @@ void Collision_TraceLineBrushFloat(trace_t *trace, const vec3_t linestart, const
                if (startdist > enddist)
                {
                        // moving into brush
-                       if (enddist >= collision_enternudge.value)
+                       if (enddist > 0.0f)
                                return;
                        if (startdist > 0)
                        {
                                // enter
                                imove = 1 / (startdist - enddist);
-                               f = (startdist - collision_enternudge.value) * imove;
-                               if (f < 0)
-                                       f = 0;
+                               f = startdist * imove;
                                // check if this will reduce the collision time range
                                if (enterfrac < f)
                                {
@@ -878,9 +867,7 @@ void Collision_TraceLineBrushFloat(trace_t *trace, const vec3_t linestart, const
                        if (enddist > 0)
                        {
                                // leave
-                               f = (startdist + collision_leavenudge.value) / (startdist - enddist);
-                               if (f > 1)
-                                       f = 1;
+                               f = startdist / (startdist - enddist);
                                // check if this will reduce the collision time range
                                if (leavefrac > f)
                                {
@@ -902,7 +889,7 @@ void Collision_TraceLineBrushFloat(trace_t *trace, const vec3_t linestart, const
        {
                // started outside, and overlaps, therefore there is a collision here
                // store out the impact information
-               if (trace->hitsupercontentsmask & other_start->supercontents)
+               if ((trace->hitsupercontentsmask & other_start->supercontents) && !(trace->skipsupercontentsmask & other_start->supercontents))
                {
                        trace->hitsupercontents = other_start->supercontents;
                        trace->hitq3surfaceflags = hitq3surfaceflags;
@@ -916,7 +903,7 @@ void Collision_TraceLineBrushFloat(trace_t *trace, const vec3_t linestart, const
        {
                // started inside, update startsolid and friends
                trace->startsupercontents |= other_start->supercontents;
-               if (trace->hitsupercontentsmask & other_start->supercontents)
+               if ((trace->hitsupercontentsmask & other_start->supercontents) && !(trace->skipsupercontentsmask & other_start->supercontents))
                {
                        trace->startsolid = true;
                        if (leavefrac < 1)
@@ -951,7 +938,7 @@ void Collision_TracePointBrushFloat(trace_t *trace, const vec3_t point, const co
                return;
 
        trace->startsupercontents |= thatbrush->supercontents;
-       if (trace->hitsupercontentsmask & thatbrush->supercontents)
+       if ((trace->hitsupercontentsmask & thatbrush->supercontents) && !(trace->skipsupercontentsmask & thatbrush->supercontents))
        {
                trace->startsolid = true;
                trace->allsolid = true;
@@ -1322,6 +1309,10 @@ void Collision_TraceLineTriangleFloat(trace_t *trace, const vec3_t linestart, co
 
        // 8 ops (rare)
 
+       // skip if this trace should not be blocked by these contents
+       if (!(supercontents & trace->hitsupercontentsmask) || (supercontents & trace->skipsupercontentsmask))
+               return;
+
        // store the new trace fraction
        trace->fraction = f2;
 
@@ -1390,7 +1381,7 @@ static void Collision_TransformBrush(const matrix4x4_t *matrix, colbrushf_t *bru
        // now we can transform the data
        for(i = 0; i < brush->numplanes; ++i)
        {
-               Matrix4x4_TransformPositivePlane(matrix, brush->planes[i].normal[0], brush->planes[i].normal[1], brush->planes[i].normal[2], brush->planes[i].dist, brush->planes[i].normal);
+               Matrix4x4_TransformPositivePlane(matrix, brush->planes[i].normal[0], brush->planes[i].normal[1], brush->planes[i].normal[2], brush->planes[i].dist, brush->planes[i].normal_and_dist);
        }
        for(i = 0; i < brush->numedgedirs; ++i)
        {
@@ -1421,6 +1412,7 @@ typedef struct collision_cachedtrace_parameters_s
        vec3_t end;
        vec3_t start;
        int hitsupercontentsmask;
+       int skipsupercontentsmask;
        matrix4x4_t matrix;
 }
 collision_cachedtrace_parameters_t;
@@ -1438,7 +1430,7 @@ static collision_cachedtrace_t *collision_cachedtrace_array;
 static int collision_cachedtrace_firstfree;
 static int collision_cachedtrace_lastused;
 static int collision_cachedtrace_max;
-static int collision_cachedtrace_sequence;
+static unsigned char collision_cachedtrace_sequence;
 static int collision_cachedtrace_hashsize;
 static int *collision_cachedtrace_hash;
 static unsigned int *collision_cachedtrace_arrayfullhashindex;
@@ -1486,7 +1478,7 @@ static void Collision_Cache_RebuildHash(void)
 {
        int index;
        int range = collision_cachedtrace_lastused + 1;
-       int sequence = collision_cachedtrace_sequence;
+       unsigned char sequence = collision_cachedtrace_sequence;
        int firstfree = collision_cachedtrace_max;
        int lastused = 0;
        int *hash = collision_cachedtrace_hash;
@@ -1550,13 +1542,13 @@ static unsigned int Collision_Cache_HashIndexForArray(unsigned int *array, unsig
        return hashindex;
 }
 
-static collision_cachedtrace_t *Collision_Cache_Lookup(dp_model_t *model, const matrix4x4_t *matrix, const matrix4x4_t *inversematrix, const vec3_t start, const vec3_t end, int hitsupercontentsmask)
+static collision_cachedtrace_t *Collision_Cache_Lookup(dp_model_t *model, const matrix4x4_t *matrix, const matrix4x4_t *inversematrix, const vec3_t start, const vec3_t end, int hitsupercontentsmask, int skipsupercontentsmask)
 {
        int hashindex = 0;
        unsigned int fullhashindex;
        int index = 0;
        int range;
-       int sequence = collision_cachedtrace_sequence;
+       unsigned char sequence = collision_cachedtrace_sequence;
        int *hash = collision_cachedtrace_hash;
        unsigned int *arrayfullhashindex = collision_cachedtrace_arrayfullhashindex;
        unsigned int *arraynext = collision_cachedtrace_arraynext;
@@ -1573,6 +1565,7 @@ static collision_cachedtrace_t *Collision_Cache_Lookup(dp_model_t *model, const
                VectorCopy(start, params.start);
                VectorCopy(end,   params.end);
                params.hitsupercontentsmask = hitsupercontentsmask;
+               params.skipsupercontentsmask = skipsupercontentsmask;
                params.matrix = *matrix;
                fullhashindex = Collision_Cache_HashIndexForArray((unsigned int *)&params, sizeof(params) / sizeof(unsigned int));
                hashindex = (int)(fullhashindex % (unsigned int)collision_cachedtrace_hashsize);
@@ -1590,6 +1583,7 @@ static collision_cachedtrace_t *Collision_Cache_Lookup(dp_model_t *model, const
                         || cached->p.start[1] != params.start[1]
                         || cached->p.start[2] != params.start[2]
                         || cached->p.hitsupercontentsmask != params.hitsupercontentsmask
+                        || cached->p.skipsupercontentsmask != params.skipsupercontentsmask
                         || cached->p.matrix.m[0][0] != params.matrix.m[0][0]
                         || cached->p.matrix.m[0][1] != params.matrix.m[0][1]
                         || cached->p.matrix.m[0][2] != params.matrix.m[0][2]
@@ -1654,30 +1648,30 @@ static collision_cachedtrace_t *Collision_Cache_Lookup(dp_model_t *model, const
        return cached;
 }
 
-void Collision_Cache_ClipLineToGenericEntitySurfaces(trace_t *trace, dp_model_t *model, matrix4x4_t *matrix, matrix4x4_t *inversematrix, const vec3_t start, const vec3_t end, int hitsupercontentsmask)
+void Collision_Cache_ClipLineToGenericEntitySurfaces(trace_t *trace, dp_model_t *model, matrix4x4_t *matrix, matrix4x4_t *inversematrix, const vec3_t start, const vec3_t end, int hitsupercontentsmask, int skipsupercontentsmask)
 {
-       collision_cachedtrace_t *cached = Collision_Cache_Lookup(model, matrix, inversematrix, start, end, hitsupercontentsmask);
+       collision_cachedtrace_t *cached = Collision_Cache_Lookup(model, matrix, inversematrix, start, end, hitsupercontentsmask, skipsupercontentsmask);
        if (cached->valid)
        {
                *trace = cached->result;
                return;
        }
 
-       Collision_ClipLineToGenericEntity(trace, model, NULL, NULL, vec3_origin, vec3_origin, 0, matrix, inversematrix, start, end, hitsupercontentsmask, collision_extendmovelength.value, true);
+       Collision_ClipLineToGenericEntity(trace, model, NULL, NULL, vec3_origin, vec3_origin, 0, matrix, inversematrix, start, end, hitsupercontentsmask, skipsupercontentsmask, collision_extendmovelength.value, true);
 
        cached->result = *trace;
 }
 
-void Collision_Cache_ClipLineToWorldSurfaces(trace_t *trace, dp_model_t *model, const vec3_t start, const vec3_t end, int hitsupercontents)
+void Collision_Cache_ClipLineToWorldSurfaces(trace_t *trace, dp_model_t *model, const vec3_t start, const vec3_t end, int hitsupercontentsmask, int skipsupercontentsmask)
 {
-       collision_cachedtrace_t *cached = Collision_Cache_Lookup(model, &identitymatrix, &identitymatrix, start, end, hitsupercontents);
+       collision_cachedtrace_t *cached = Collision_Cache_Lookup(model, &identitymatrix, &identitymatrix, start, end, hitsupercontentsmask, skipsupercontentsmask);
        if (cached->valid)
        {
                *trace = cached->result;
                return;
        }
 
-       Collision_ClipLineToWorld(trace, model, start, end, hitsupercontents, collision_extendmovelength.value, true);
+       Collision_ClipLineToWorld(trace, model, start, end, hitsupercontentsmask, skipsupercontentsmask, collision_extendmovelength.value, true);
 
        cached->result = *trace;
 }
@@ -1754,7 +1748,7 @@ static void Collision_ClipExtendFinish(extendtraceinfo_t *extendtraceinfo)
        VectorMA(extendtraceinfo->realstart, trace->fraction, extendtraceinfo->realdelta, trace->endpos);
 }
 
-void Collision_ClipToGenericEntity(trace_t *trace, dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, const vec3_t bodymins, const vec3_t bodymaxs, int bodysupercontents, matrix4x4_t *matrix, matrix4x4_t *inversematrix, const vec3_t tstart, const vec3_t mins, const vec3_t maxs, const vec3_t tend, int hitsupercontentsmask, float extend)
+void Collision_ClipToGenericEntity(trace_t *trace, dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, const vec3_t bodymins, const vec3_t bodymaxs, int bodysupercontents, matrix4x4_t *matrix, matrix4x4_t *inversematrix, const vec3_t tstart, const vec3_t mins, const vec3_t maxs, const vec3_t tend, int hitsupercontentsmask, int skipsupercontentsmask, float extend)
 {
        vec3_t starttransformed, endtransformed;
        extendtraceinfo_t extendtraceinfo;
@@ -1782,32 +1776,32 @@ void Collision_ClipToGenericEntity(trace_t *trace, dp_model_t *model, const fram
                        Collision_TransformBrush(inversematrix, &thisbrush_end.brush);
                        //Collision_TranslateBrush(starttransformed, &thisbrush_start.brush);
                        //Collision_TranslateBrush(endtransformed, &thisbrush_end.brush);
-                       model->TraceBrush(model, frameblend, skeleton, trace, &thisbrush_start.brush, &thisbrush_end.brush, hitsupercontentsmask);
+                       model->TraceBrush(model, frameblend, skeleton, trace, &thisbrush_start.brush, &thisbrush_end.brush, hitsupercontentsmask, skipsupercontentsmask);
                }
                else // this is only approximate if rotated, quite useless
-                       model->TraceBox(model, frameblend, skeleton, trace, starttransformed, mins, maxs, endtransformed, hitsupercontentsmask);
+                       model->TraceBox(model, frameblend, skeleton, trace, starttransformed, mins, maxs, endtransformed, hitsupercontentsmask, skipsupercontentsmask);
        }
        else // and this requires that the transformation matrix doesn't have angles components, like SV_TraceBox ensures; FIXME may get called if a model is SOLID_BSP but has no TraceBox function
-               Collision_ClipTrace_Box(trace, bodymins, bodymaxs, starttransformed, mins, maxs, endtransformed, hitsupercontentsmask, bodysupercontents, 0, NULL);
+               Collision_ClipTrace_Box(trace, bodymins, bodymaxs, starttransformed, mins, maxs, endtransformed, hitsupercontentsmask, skipsupercontentsmask, bodysupercontents, 0, NULL);
 
        Collision_ClipExtendFinish(&extendtraceinfo);
 
        // transform plane
        // NOTE: this relies on plane.dist being directly after plane.normal
-       Matrix4x4_TransformPositivePlane(matrix, trace->plane.normal[0], trace->plane.normal[1], trace->plane.normal[2], trace->plane.dist, trace->plane.normal);
+       Matrix4x4_TransformPositivePlane(matrix, trace->plane.normal[0], trace->plane.normal[1], trace->plane.normal[2], trace->plane.dist, trace->plane.normal_and_dist);
 }
 
-void Collision_ClipToWorld(trace_t *trace, dp_model_t *model, const vec3_t tstart, const vec3_t mins, const vec3_t maxs, const vec3_t tend, int hitsupercontents, float extend)
+void Collision_ClipToWorld(trace_t *trace, dp_model_t *model, const vec3_t tstart, const vec3_t mins, const vec3_t maxs, const vec3_t tend, int hitsupercontentsmask, int skipsupercontentsmask, float extend)
 {
        extendtraceinfo_t extendtraceinfo;
        Collision_ClipExtendPrepare(&extendtraceinfo, trace, tstart, tend, extend);
        // ->TraceBox: TraceBrush not needed here, as worldmodel is never rotated
        if (model && model->TraceBox)
-               model->TraceBox(model, NULL, NULL, trace, extendtraceinfo.extendstart, mins, maxs, extendtraceinfo.extendend, hitsupercontents);
+               model->TraceBox(model, NULL, NULL, trace, extendtraceinfo.extendstart, mins, maxs, extendtraceinfo.extendend, hitsupercontentsmask, skipsupercontentsmask);
        Collision_ClipExtendFinish(&extendtraceinfo);
 }
 
-void Collision_ClipLineToGenericEntity(trace_t *trace, dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, const vec3_t bodymins, const vec3_t bodymaxs, int bodysupercontents, matrix4x4_t *matrix, matrix4x4_t *inversematrix, const vec3_t tstart, const vec3_t tend, int hitsupercontentsmask, float extend, qboolean hitsurfaces)
+void Collision_ClipLineToGenericEntity(trace_t *trace, dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, const vec3_t bodymins, const vec3_t bodymaxs, int bodysupercontents, matrix4x4_t *matrix, matrix4x4_t *inversematrix, const vec3_t tstart, const vec3_t tend, int hitsupercontentsmask, int skipsupercontentsmask, float extend, qboolean hitsurfaces)
 {
        vec3_t starttransformed, endtransformed;
        extendtraceinfo_t extendtraceinfo;
@@ -1820,33 +1814,33 @@ void Collision_ClipLineToGenericEntity(trace_t *trace, dp_model_t *model, const
 #endif
 
        if (model && model->TraceLineAgainstSurfaces && hitsurfaces)
-               model->TraceLineAgainstSurfaces(model, frameblend, skeleton, trace, starttransformed, endtransformed, hitsupercontentsmask);
+               model->TraceLineAgainstSurfaces(model, frameblend, skeleton, trace, starttransformed, endtransformed, hitsupercontentsmask, skipsupercontentsmask);
        else if (model && model->TraceLine)
-               model->TraceLine(model, frameblend, skeleton, trace, starttransformed, endtransformed, hitsupercontentsmask);
+               model->TraceLine(model, frameblend, skeleton, trace, starttransformed, endtransformed, hitsupercontentsmask, skipsupercontentsmask);
        else
-               Collision_ClipTrace_Box(trace, bodymins, bodymaxs, starttransformed, vec3_origin, vec3_origin, endtransformed, hitsupercontentsmask, bodysupercontents, 0, NULL);
+               Collision_ClipTrace_Box(trace, bodymins, bodymaxs, starttransformed, vec3_origin, vec3_origin, endtransformed, hitsupercontentsmask, skipsupercontentsmask, bodysupercontents, 0, NULL);
 
        Collision_ClipExtendFinish(&extendtraceinfo);
 
        // transform plane
        // NOTE: this relies on plane.dist being directly after plane.normal
-       Matrix4x4_TransformPositivePlane(matrix, trace->plane.normal[0], trace->plane.normal[1], trace->plane.normal[2], trace->plane.dist, trace->plane.normal);
+       Matrix4x4_TransformPositivePlane(matrix, trace->plane.normal[0], trace->plane.normal[1], trace->plane.normal[2], trace->plane.dist, trace->plane.normal_and_dist);
 }
 
-void Collision_ClipLineToWorld(trace_t *trace, dp_model_t *model, const vec3_t tstart, const vec3_t tend, int hitsupercontents, float extend, qboolean hitsurfaces)
+void Collision_ClipLineToWorld(trace_t *trace, dp_model_t *model, const vec3_t tstart, const vec3_t tend, int hitsupercontentsmask, int skipsupercontentsmask, float extend, qboolean hitsurfaces)
 {
        extendtraceinfo_t extendtraceinfo;
        Collision_ClipExtendPrepare(&extendtraceinfo, trace, tstart, tend, extend);
 
        if (model && model->TraceLineAgainstSurfaces && hitsurfaces)
-               model->TraceLineAgainstSurfaces(model, NULL, NULL, trace, extendtraceinfo.extendstart, extendtraceinfo.extendend, hitsupercontents);
+               model->TraceLineAgainstSurfaces(model, NULL, NULL, trace, extendtraceinfo.extendstart, extendtraceinfo.extendend, hitsupercontentsmask, skipsupercontentsmask);
        else if (model && model->TraceLine)
-               model->TraceLine(model, NULL, NULL, trace, extendtraceinfo.extendstart, extendtraceinfo.extendend, hitsupercontents);
+               model->TraceLine(model, NULL, NULL, trace, extendtraceinfo.extendstart, extendtraceinfo.extendend, hitsupercontentsmask, skipsupercontentsmask);
 
        Collision_ClipExtendFinish(&extendtraceinfo);
 }
 
-void Collision_ClipPointToGenericEntity(trace_t *trace, dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, const vec3_t bodymins, const vec3_t bodymaxs, int bodysupercontents, matrix4x4_t *matrix, matrix4x4_t *inversematrix, const vec3_t start, int hitsupercontentsmask)
+void Collision_ClipPointToGenericEntity(trace_t *trace, dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, const vec3_t bodymins, const vec3_t bodymaxs, int bodysupercontents, matrix4x4_t *matrix, matrix4x4_t *inversematrix, const vec3_t start, int hitsupercontentsmask, int skipsupercontentsmask)
 {
        float starttransformed[3];
        memset(trace, 0, sizeof(*trace));
@@ -1858,22 +1852,22 @@ void Collision_ClipPointToGenericEntity(trace_t *trace, dp_model_t *model, const
 #endif
 
        if (model && model->TracePoint)
-               model->TracePoint(model, NULL, NULL, trace, starttransformed, hitsupercontentsmask);
+               model->TracePoint(model, NULL, NULL, trace, starttransformed, hitsupercontentsmask, skipsupercontentsmask);
        else
-               Collision_ClipTrace_Point(trace, bodymins, bodymaxs, starttransformed, hitsupercontentsmask, bodysupercontents, 0, NULL);
+               Collision_ClipTrace_Point(trace, bodymins, bodymaxs, starttransformed, hitsupercontentsmask, skipsupercontentsmask, bodysupercontents, 0, NULL);
 
        VectorCopy(start, trace->endpos);
        // transform plane
        // NOTE: this relies on plane.dist being directly after plane.normal
-       Matrix4x4_TransformPositivePlane(matrix, trace->plane.normal[0], trace->plane.normal[1], trace->plane.normal[2], trace->plane.dist, trace->plane.normal);
+       Matrix4x4_TransformPositivePlane(matrix, trace->plane.normal[0], trace->plane.normal[1], trace->plane.normal[2], trace->plane.dist, trace->plane.normal_and_dist);
 }
 
-void Collision_ClipPointToWorld(trace_t *trace, dp_model_t *model, const vec3_t start, int hitsupercontents)
+void Collision_ClipPointToWorld(trace_t *trace, dp_model_t *model, const vec3_t start, int hitsupercontentsmask, int skipsupercontentsmask)
 {
        memset(trace, 0, sizeof(*trace));
        trace->fraction = 1;
        if (model && model->TracePoint)
-               model->TracePoint(model, NULL, NULL, trace, start, hitsupercontents);
+               model->TracePoint(model, NULL, NULL, trace, start, hitsupercontentsmask, skipsupercontentsmask);
        VectorCopy(start, trace->endpos);
 }