X-Git-Url: http://git.xonotic.org/?a=blobdiff_plain;f=collision.c;h=120809642e03ec90c96e75db75b27401c8107114;hb=84661191e0819cf88c208b4ad314fcd23e8e1fbd;hp=32d53958a65ff8302b47cda94befa4f776c03a13;hpb=d159736a199e4043ed98cde48f6d5716ec40845c;p=xonotic%2Fdarkplaces.git diff --git a/collision.c b/collision.c index 32d53958..12080964 100644 --- a/collision.c +++ b/collision.c @@ -2,8 +2,10 @@ #include "quakedef.h" #include "polygon.h" -#define COLLISION_SNAPSCALE (8.0f) +#define COLLISION_SNAPSCALE (32.0f) #define COLLISION_SNAP (1.0f / COLLISION_SNAPSCALE) +#define COLLISION_SNAP2 (2.0f / COLLISION_SNAPSCALE) +#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"}; @@ -76,12 +78,12 @@ void Collision_ValidateBrush(colbrushf_t *brush) for (k = 0;k < brush->numplanes;k++) { d = DotProduct(brush->points[j].v, brush->planes[k].normal) - brush->planes[k].dist; - if (d > (1.0f / 8.0f)) + if (d > COLLISION_PLANE_DIST_EPSILON) { Con_Printf("Collision_ValidateBrush: point #%i (%f %f %f) infront of plane #%i (%f %f %f %f)\n", j, brush->points[j].v[0], brush->points[j].v[1], brush->points[j].v[2], k, brush->planes[k].normal[0], brush->planes[k].normal[1], brush->planes[k].normal[2], brush->planes[k].dist); printbrush = true; } - if (fabs(d) > 0.125f) + if (fabs(d) > COLLISION_PLANE_DIST_EPSILON) pointsoffplanes++; else pointonplanes++; @@ -133,10 +135,12 @@ float furthestplanedist_float(const float *normal, const colpointf_t *points, in } -colbrushf_t *Collision_NewBrushFromPlanes(mempool_t *mempool, int numoriginalplanes, const mplane_t *originalplanes, int supercontents) +colbrushf_t *Collision_NewBrushFromPlanes(mempool_t *mempool, int numoriginalplanes, const colplanef_t *originalplanes, int supercontents) { + // TODO: planesbuf could be replaced by a remapping table int j, k, m, w; int numpointsbuf = 0, maxpointsbuf = 256, numplanesbuf = 0, maxplanesbuf = 256, numelementsbuf = 0, maxelementsbuf = 256; + double maxdist; colbrushf_t *brush; colpointf_t pointsbuf[256]; colplanef_t planesbuf[256]; @@ -153,6 +157,12 @@ colbrushf_t *Collision_NewBrushFromPlanes(mempool_t *mempool, int numoriginalpla memset(polypointbuf, 0, sizeof(polypointbuf)); memset(p, 0, sizeof(p)); #endif + // figure out how large a bounding box we need to properly compute this brush + maxdist = 0; + for (j = 0;j < numoriginalplanes;j++) + maxdist = max(maxdist, originalplanes[j].dist); + // now make it large enough to enclose the entire brush, and round it off to a reasonable multiple of 1024 + maxdist = floor(maxdist * (4.0 / 1024.0) + 1) * 1024.0; // construct a collision brush (points, planes, and renderable mesh) from // a set of planes, this also optimizes out any unnecessary planes (ones // whose polygon is clipped away by the other planes) @@ -174,16 +184,18 @@ colbrushf_t *Collision_NewBrushFromPlanes(mempool_t *mempool, int numoriginalpla // create a large polygon from the plane w = 0; - PolygonD_QuadForPlane(p[w], originalplanes[j].normal[0], originalplanes[j].normal[1], originalplanes[j].normal[2], originalplanes[j].dist, 1024.0*1024.0*1024.0); + PolygonD_QuadForPlane(p[w], originalplanes[j].normal[0], originalplanes[j].normal[1], originalplanes[j].normal[2], originalplanes[j].dist, maxdist); pnumpoints = 4; // clip it by all other planes for (k = 0;k < numoriginalplanes && pnumpoints && pnumpoints <= pmaxpoints;k++) { + // skip the plane this polygon + // (nothing happens if it is processed, this is just an optimization) if (k != j) { // we want to keep the inside of the brush plane so we flip // the cutting plane - PolygonD_Divide(pnumpoints, p[w], -originalplanes[k].normal[0], -originalplanes[k].normal[1], -originalplanes[k].normal[2], -originalplanes[k].dist, 1.0/32.0, pmaxpoints, p[!w], &pnumpoints, 0, NULL, NULL); + PolygonD_Divide(pnumpoints, p[w], -originalplanes[k].normal[0], -originalplanes[k].normal[1], -originalplanes[k].normal[2], -originalplanes[k].dist, COLLISION_PLANE_DIST_EPSILON, pmaxpoints, p[!w], &pnumpoints, 0, NULL, NULL, NULL); w = !w; } } @@ -199,7 +211,7 @@ colbrushf_t *Collision_NewBrushFromPlanes(mempool_t *mempool, int numoriginalpla int l, m; m = 0; for (l = 0;l < numoriginalplanes;l++) - if (fabs(DotProduct(&p[w][k*3], originalplanes[l].normal) - originalplanes[l].dist) < 1.0/8.0) + if (fabs(DotProduct(&p[w][k*3], originalplanes[l].normal) - originalplanes[l].dist) < COLLISION_PLANE_DIST_EPSILON) m++; if (m < 3) break; @@ -228,7 +240,7 @@ colbrushf_t *Collision_NewBrushFromPlanes(mempool_t *mempool, int numoriginalpla { // check if there is already a matching point (no duplicates) for (m = 0;m < numpointsbuf;m++) - if (VectorDistance2(&p[w][k*3], pointsbuf[m].v) < COLLISION_SNAP) + if (VectorDistance2(&p[w][k*3], pointsbuf[m].v) < COLLISION_SNAP2) break; // if there is no match, add a new one @@ -261,6 +273,8 @@ colbrushf_t *Collision_NewBrushFromPlanes(mempool_t *mempool, int numoriginalpla // add the new plane VectorCopy(originalplanes[j].normal, planesbuf[numplanesbuf].normal); planesbuf[numplanesbuf].dist = originalplanes[j].dist; + planesbuf[numplanesbuf].q3surfaceflags = originalplanes[j].q3surfaceflags; + planesbuf[numplanesbuf].texture = originalplanes[j].texture; numplanesbuf++; } @@ -268,7 +282,7 @@ colbrushf_t *Collision_NewBrushFromPlanes(mempool_t *mempool, int numoriginalpla for (j = 0;j < numplanesbuf;j++) { float d = furthestplanedist_float(planesbuf[j].normal, pointsbuf, numpointsbuf); - if (fabs(planesbuf[j].dist - d) > (1.0f/32.0f)) + if (fabs(planesbuf[j].dist - d) > COLLISION_PLANE_DIST_EPSILON) Con_Printf("plane %f %f %f %f mismatches dist %f\n", planesbuf[j].normal[0], planesbuf[j].normal[1], planesbuf[j].normal[2], planesbuf[j].dist, d); } @@ -280,7 +294,14 @@ colbrushf_t *Collision_NewBrushFromPlanes(mempool_t *mempool, int numoriginalpla } // allocate the brush and copy to it - brush = Collision_AllocBrushFloat(mempool, numpointsbuf, numplanesbuf, numelementsbuf / 3, supercontents); + brush = (colbrushf_t *)Mem_Alloc(mempool, sizeof(colbrushf_t) + sizeof(colpointf_t) * numpointsbuf + sizeof(colplanef_t) * numplanesbuf + sizeof(int) * numelementsbuf); + brush->supercontents = supercontents; + brush->numplanes = numplanesbuf; + brush->numpoints = numpointsbuf; + brush->numtriangles = numelementsbuf / 3; + brush->planes = (colplanef_t *)(brush + 1); + brush->points = (colpointf_t *)(brush->planes + brush->numplanes); + brush->elements = (int *)(brush->points + brush->numpoints); for (j = 0;j < brush->numpoints;j++) { brush->points[j].v[0] = pointsbuf[j].v[0]; @@ -293,6 +314,8 @@ colbrushf_t *Collision_NewBrushFromPlanes(mempool_t *mempool, int numoriginalpla brush->planes[j].normal[1] = planesbuf[j].normal[1]; brush->planes[j].normal[2] = planesbuf[j].normal[2]; brush->planes[j].dist = planesbuf[j].dist; + brush->planes[j].q3surfaceflags = planesbuf[j].q3surfaceflags; + brush->planes[j].texture = planesbuf[j].texture; } for (j = 0;j < brush->numtriangles * 3;j++) brush->elements[j] = elementsbuf[j]; @@ -319,20 +342,6 @@ colbrushf_t *Collision_NewBrushFromPlanes(mempool_t *mempool, int numoriginalpla -colbrushf_t *Collision_AllocBrushFloat(mempool_t *mempool, int numpoints, int numplanes, int numtriangles, int supercontents) -{ - colbrushf_t *brush; - brush = (colbrushf_t *)Mem_Alloc(mempool, sizeof(colbrushf_t) + sizeof(colpointf_t) * numpoints + sizeof(colplanef_t) * numplanes + sizeof(int[3]) * numtriangles); - brush->supercontents = supercontents; - brush->numplanes = numplanes; - brush->numpoints = numpoints; - brush->numtriangles = numtriangles; - brush->planes = (colplanef_t *)(brush + 1); - brush->points = (colpointf_t *)(brush->planes + brush->numplanes); - brush->elements = (int *)(brush->points + brush->numpoints); - return brush; -} - void Collision_CalcPlanesForPolygonBrushFloat(colbrushf_t *brush) { int i; @@ -403,7 +412,7 @@ void Collision_CalcPlanesForPolygonBrushFloat(colbrushf_t *brush) brush->planes[3].dist = DotProduct(brush->points[0].v, brush->planes[3].normal); brush->planes[4].dist = DotProduct(brush->points[1].v, brush->planes[4].normal); - if (developer.integer) + if (developer.integer >= 100) { // validation code #if 0 @@ -488,7 +497,7 @@ void Collision_CalcPlanesForPolygonBrushFloat(colbrushf_t *brush) } } - if (developer.integer) + if (developer.integer >= 100) { // validity check - will be disabled later Collision_ValidateBrush(brush); @@ -496,7 +505,7 @@ void Collision_CalcPlanesForPolygonBrushFloat(colbrushf_t *brush) { int j; for (j = 0, p = brush->points;j < brush->numpoints;j++, p++) - if (DotProduct(p->v, brush->planes[i].normal) > brush->planes[i].dist + (1.0 / 32.0)) + if (DotProduct(p->v, brush->planes[i].normal) > brush->planes[i].dist + COLLISION_PLANE_DIST_EPSILON) Con_Printf("Error in brush plane generation, plane %i\n", i); } } @@ -518,16 +527,12 @@ colbrushf_t *Collision_AllocBrushFromPermanentPolygonFloat(mempool_t *mempool, i // NOTE: start and end of each brush pair must have same numplanes/numpoints void Collision_TraceBrushBrushFloat(trace_t *trace, const colbrushf_t *thisbrush_start, const colbrushf_t *thisbrush_end, const colbrushf_t *thatbrush_start, const colbrushf_t *thatbrush_end) { - int nplane, nplane2, fstartsolid, fendsolid, brushsolid; - float enterfrac, leavefrac, d1, d2, f, imove, newimpactnormal[3], enterfrac2; + int nplane, nplane2, fstartsolid = true, fendsolid = true, brushsolid, hitq3surfaceflags = 0; + float enterfrac = -1, leavefrac = 1, d1, d2, f, imove, newimpactnormal[3], enterfrac2 = -1; const colplanef_t *startplane, *endplane; + texture_t *hittexture = NULL; VectorClear(newimpactnormal); - enterfrac = -1; - enterfrac2 = -1; - leavefrac = 1; - fstartsolid = true; - fendsolid = true; for (nplane = 0;nplane < thatbrush_start->numplanes + thisbrush_start->numplanes;nplane++) { @@ -537,7 +542,7 @@ void Collision_TraceBrushBrushFloat(trace_t *trace, const colbrushf_t *thisbrush nplane2 -= thatbrush_start->numplanes; startplane = thisbrush_start->planes + nplane2; endplane = thisbrush_end->planes + nplane2; - if (developer.integer) + if (developer.integer >= 100) { // any brush with degenerate planes is not worth handling if (DotProduct(startplane->normal, startplane->normal) < 0.9f || DotProduct(endplane->normal, endplane->normal) < 0.9f) @@ -546,7 +551,7 @@ void Collision_TraceBrushBrushFloat(trace_t *trace, const colbrushf_t *thisbrush return; } f = furthestplanedist_float(startplane->normal, thisbrush_start->points, thisbrush_start->numpoints); - if (fabs(f - startplane->dist) > 0.125f) + if (fabs(f - startplane->dist) > COLLISION_PLANE_DIST_EPSILON) Con_Printf("startplane->dist %f != calculated %f (thisbrush_start)\n", startplane->dist, f); } d1 = nearestplanedist_float(startplane->normal, thisbrush_start->points, thisbrush_start->numpoints) - furthestplanedist_float(startplane->normal, thatbrush_start->points, thatbrush_start->numpoints) - collision_startnudge.value; @@ -556,7 +561,7 @@ void Collision_TraceBrushBrushFloat(trace_t *trace, const colbrushf_t *thisbrush { startplane = thatbrush_start->planes + nplane2; endplane = thatbrush_end->planes + nplane2; - if (developer.integer) + if (developer.integer >= 100) { // any brush with degenerate planes is not worth handling if (DotProduct(startplane->normal, startplane->normal) < 0.9f || DotProduct(endplane->normal, endplane->normal) < 0.9f) @@ -565,7 +570,7 @@ void Collision_TraceBrushBrushFloat(trace_t *trace, const colbrushf_t *thisbrush return; } f = furthestplanedist_float(startplane->normal, thatbrush_start->points, thatbrush_start->numpoints); - if (fabs(f - startplane->dist) > 0.125f) + if (fabs(f - startplane->dist) > COLLISION_PLANE_DIST_EPSILON) Con_Printf("startplane->dist %f != calculated %f (thatbrush_start)\n", startplane->dist, f); } d1 = nearestplanedist_float(startplane->normal, thisbrush_start->points, thisbrush_start->numpoints) - startplane->dist - collision_startnudge.value; @@ -589,6 +594,8 @@ void Collision_TraceBrushBrushFloat(trace_t *trace, const colbrushf_t *thisbrush enterfrac = f; enterfrac2 = f - collision_impactnudge.value * imove; VectorLerp(startplane->normal, enterfrac, endplane->normal, newimpactnormal); + hitq3surfaceflags = startplane->q3surfaceflags; + hittexture = startplane->texture; } } } @@ -641,6 +648,9 @@ void Collision_TraceBrushBrushFloat(trace_t *trace, const colbrushf_t *thisbrush if (enterfrac < trace->realfraction) { enterfrac2 = enterfrac - collision_impactnudge.value * imove; + trace->hitsupercontents = thatbrush_start->supercontents; + trace->hitq3surfaceflags = thatbrush_start->planes[0].q3surfaceflags; + trace->hittexture = thatbrush_start->planes[0].texture; trace->realfraction = bound(0, enterfrac, 1); trace->fraction = bound(0, enterfrac2, 1); VectorLerp(thatbrush_start->planes[0].normal, enterfrac, thatbrush_end->planes[0].normal, trace->plane.normal); @@ -649,6 +659,9 @@ void Collision_TraceBrushBrushFloat(trace_t *trace, const colbrushf_t *thisbrush else #endif { + trace->hitsupercontents = thatbrush_start->supercontents; + trace->hitq3surfaceflags = hitq3surfaceflags; + trace->hittexture = hittexture; trace->realfraction = bound(0, enterfrac, 1); trace->fraction = bound(0, enterfrac2, 1); VectorCopy(newimpactnormal, trace->plane.normal); @@ -659,16 +672,12 @@ void Collision_TraceBrushBrushFloat(trace_t *trace, const colbrushf_t *thisbrush // NOTE: start and end brush pair must have same numplanes/numpoints void Collision_TraceLineBrushFloat(trace_t *trace, const vec3_t linestart, const vec3_t lineend, const colbrushf_t *thatbrush_start, const colbrushf_t *thatbrush_end) { - int nplane, fstartsolid, fendsolid, brushsolid; - float enterfrac, leavefrac, d1, d2, f, imove, newimpactnormal[3], enterfrac2; + int nplane, fstartsolid = true, fendsolid = true, brushsolid, hitq3surfaceflags = 0; + float enterfrac = -1, leavefrac = 1, d1, d2, f, imove, newimpactnormal[3], enterfrac2 = -1; const colplanef_t *startplane, *endplane; + texture_t *hittexture = NULL; VectorClear(newimpactnormal); - enterfrac = -1; - enterfrac2 = -1; - leavefrac = 1; - fstartsolid = true; - fendsolid = true; for (nplane = 0;nplane < thatbrush_start->numplanes;nplane++) { @@ -676,7 +685,7 @@ void Collision_TraceLineBrushFloat(trace_t *trace, const vec3_t linestart, const endplane = thatbrush_end->planes + nplane; d1 = DotProduct(startplane->normal, linestart) - startplane->dist - collision_startnudge.value; d2 = DotProduct(endplane->normal, lineend) - endplane->dist - collision_endnudge.value; - if (developer.integer) + if (developer.integer >= 100) { // any brush with degenerate planes is not worth handling if (DotProduct(startplane->normal, startplane->normal) < 0.9f || DotProduct(endplane->normal, endplane->normal) < 0.9f) @@ -687,7 +696,7 @@ void Collision_TraceLineBrushFloat(trace_t *trace, const vec3_t linestart, const if (thatbrush_start->numpoints) { f = furthestplanedist_float(startplane->normal, thatbrush_start->points, thatbrush_start->numpoints); - if (fabs(f - startplane->dist) > 0.125f) + if (fabs(f - startplane->dist) > COLLISION_PLANE_DIST_EPSILON) Con_Printf("startplane->dist %f != calculated %f\n", startplane->dist, f); } } @@ -708,6 +717,8 @@ void Collision_TraceLineBrushFloat(trace_t *trace, const vec3_t linestart, const enterfrac = f; enterfrac2 = f - collision_impactnudge.value * imove; VectorLerp(startplane->normal, enterfrac, endplane->normal, newimpactnormal); + hitq3surfaceflags = startplane->q3surfaceflags; + hittexture = startplane->texture; } } } @@ -743,7 +754,7 @@ void Collision_TraceLineBrushFloat(trace_t *trace, const vec3_t linestart, const // penetrating line segment is normally zero length if this brush was // generated from a polygon (infinitely thin), and could even be slightly // positive or negative due to rounding errors in that case. - if (brushsolid && enterfrac > -1 && enterfrac < trace->realfraction && enterfrac - (1.0f / 1024.0f) <= leavefrac) + if (brushsolid && enterfrac > -1 && enterfrac < trace->realfraction && enterfrac <= leavefrac) { #if 0 // broken @@ -760,6 +771,9 @@ void Collision_TraceLineBrushFloat(trace_t *trace, const vec3_t linestart, const if (enterfrac < trace->realfraction) { enterfrac2 = enterfrac - collision_impactnudge.value * imove; + trace->hitsupercontents = thatbrush_start->supercontents; + trace->hitq3surfaceflags = hitq3surfaceflags; + trace->hittexture = hittexture; trace->realfraction = bound(0, enterfrac, 1); trace->fraction = bound(0, enterfrac2, 1); VectorLerp(thatbrush_start->planes[0].normal, enterfrac, thatbrush_end->planes[0].normal, trace->plane.normal); @@ -768,6 +782,9 @@ void Collision_TraceLineBrushFloat(trace_t *trace, const vec3_t linestart, const else #endif { + trace->hitsupercontents = thatbrush_start->supercontents; + trace->hitq3surfaceflags = hitq3surfaceflags; + trace->hittexture = hittexture; trace->realfraction = bound(0, enterfrac, 1); trace->fraction = bound(0, enterfrac2, 1); VectorCopy(newimpactnormal, trace->plane.normal); @@ -825,7 +842,7 @@ void Collision_TraceBrushPolygonFloat(trace_t *trace, const colbrushf_t *thisbru Collision_TraceBrushBrushFloat(trace, thisbrush_start, thisbrush_end, &polyf_brush, &polyf_brush); } -void Collision_TraceBrushTriangleMeshFloat(trace_t *trace, const colbrushf_t *thisbrush_start, const colbrushf_t *thisbrush_end, int numtriangles, const int *element3i, const float *vertex3f, int supercontents, const vec3_t segmentmins, const vec3_t segmentmaxs) +void Collision_TraceBrushTriangleMeshFloat(trace_t *trace, const colbrushf_t *thisbrush_start, const colbrushf_t *thisbrush_end, int numtriangles, const int *element3i, const float *vertex3f, int supercontents, int q3surfaceflags, texture_t *texture, const vec3_t segmentmins, const vec3_t segmentmaxs) { int i; float facemins[3], facemaxs[3]; @@ -834,18 +851,23 @@ void Collision_TraceBrushTriangleMeshFloat(trace_t *trace, const colbrushf_t *th polyf_brush.points = polyf_points; polyf_brush.planes = polyf_planes; polyf_brush.supercontents = supercontents; + for (i = 0;i < polyf_brush.numplanes;i++) + { + polyf_brush.planes[i].q3surfaceflags = q3surfaceflags; + polyf_brush.planes[i].texture = texture; + } for (i = 0;i < numtriangles;i++, element3i += 3) { VectorCopy(vertex3f + element3i[0] * 3, polyf_points[0].v); VectorCopy(vertex3f + element3i[1] * 3, polyf_points[1].v); VectorCopy(vertex3f + element3i[2] * 3, polyf_points[2].v); Collision_SnapCopyPoints(3, polyf_points, polyf_points, COLLISION_SNAPSCALE, COLLISION_SNAP); - facemins[0] = min(polyf_points[0].v[0], min(polyf_points[1].v[0], polyf_points[2].v[0])) - 1; - facemins[1] = min(polyf_points[0].v[1], min(polyf_points[1].v[1], polyf_points[2].v[1])) - 1; - facemins[2] = min(polyf_points[0].v[2], min(polyf_points[1].v[2], polyf_points[2].v[2])) - 1; - facemaxs[0] = max(polyf_points[0].v[0], max(polyf_points[1].v[0], polyf_points[2].v[0])) + 1; - facemaxs[1] = max(polyf_points[0].v[1], max(polyf_points[1].v[1], polyf_points[2].v[1])) + 1; - facemaxs[2] = max(polyf_points[0].v[2], max(polyf_points[1].v[2], polyf_points[2].v[2])) + 1; + facemins[0] = min(polyf_points[0].v[0], min(polyf_points[1].v[0], polyf_points[2].v[0])); + facemins[1] = min(polyf_points[0].v[1], min(polyf_points[1].v[1], polyf_points[2].v[1])); + facemins[2] = min(polyf_points[0].v[2], min(polyf_points[1].v[2], polyf_points[2].v[2])); + facemaxs[0] = max(polyf_points[0].v[0], max(polyf_points[1].v[0], polyf_points[2].v[0])); + facemaxs[1] = max(polyf_points[0].v[1], max(polyf_points[1].v[1], polyf_points[2].v[1])); + facemaxs[2] = max(polyf_points[0].v[2], max(polyf_points[1].v[2], polyf_points[2].v[2])); if (BoxesOverlap(segmentmins, segmentmaxs, facemins, facemaxs)) { Collision_CalcPlanesForPolygonBrushFloat(&polyf_brush); @@ -874,19 +896,25 @@ void Collision_TraceLinePolygonFloat(trace_t *trace, const vec3_t linestart, con Collision_TraceLineBrushFloat(trace, linestart, lineend, &polyf_brush, &polyf_brush); } -void Collision_TraceLineTriangleMeshFloat(trace_t *trace, const vec3_t linestart, const vec3_t lineend, int numtriangles, const int *element3i, const float *vertex3f, int supercontents, const vec3_t segmentmins, const vec3_t segmentmaxs) +void Collision_TraceLineTriangleMeshFloat(trace_t *trace, const vec3_t linestart, const vec3_t lineend, int numtriangles, const int *element3i, const float *vertex3f, int supercontents, int q3surfaceflags, texture_t *texture, const vec3_t segmentmins, const vec3_t segmentmaxs) { int i; #if 1 // FIXME: snap vertices? for (i = 0;i < numtriangles;i++, element3i += 3) - Collision_TraceLineTriangleFloat(trace, linestart, lineend, vertex3f + element3i[0] * 3, vertex3f + element3i[1] * 3, vertex3f + element3i[2] * 3); + Collision_TraceLineTriangleFloat(trace, linestart, lineend, vertex3f + element3i[0] * 3, vertex3f + element3i[1] * 3, vertex3f + element3i[2] * 3, supercontents, q3surfaceflags, texture); #else polyf_brush.numpoints = 3; polyf_brush.numplanes = 5; polyf_brush.points = polyf_points; polyf_brush.planes = polyf_planes; polyf_brush.supercontents = supercontents; + for (i = 0;i < polyf_brush.numplanes;i++) + { + polyf_brush.planes[i].supercontents = supercontents; + polyf_brush.planes[i].q3surfaceflags = q3surfaceflags; + polyf_brush.planes[i].texture = texture; + } for (i = 0;i < numtriangles;i++, element3i += 3) { float facemins[3], facemaxs[3]; @@ -894,12 +922,12 @@ void Collision_TraceLineTriangleMeshFloat(trace_t *trace, const vec3_t linestart VectorCopy(vertex3f + element3i[1] * 3, polyf_points[1].v); VectorCopy(vertex3f + element3i[2] * 3, polyf_points[2].v); Collision_SnapCopyPoints(numpoints, polyf_points, polyf_points, COLLISION_SNAPSCALE, COLLISION_SNAP); - facemins[0] = min(polyf_points[0].v[0], min(polyf_points[1].v[0], polyf_points[2].v[0])) - 1; - facemins[1] = min(polyf_points[0].v[1], min(polyf_points[1].v[1], polyf_points[2].v[1])) - 1; - facemins[2] = min(polyf_points[0].v[2], min(polyf_points[1].v[2], polyf_points[2].v[2])) - 1; - facemaxs[0] = max(polyf_points[0].v[0], max(polyf_points[1].v[0], polyf_points[2].v[0])) + 1; - facemaxs[1] = max(polyf_points[0].v[1], max(polyf_points[1].v[1], polyf_points[2].v[1])) + 1; - facemaxs[2] = max(polyf_points[0].v[2], max(polyf_points[1].v[2], polyf_points[2].v[2])) + 1; + facemins[0] = min(polyf_points[0].v[0], min(polyf_points[1].v[0], polyf_points[2].v[0])); + facemins[1] = min(polyf_points[0].v[1], min(polyf_points[1].v[1], polyf_points[2].v[1])); + facemins[2] = min(polyf_points[0].v[2], min(polyf_points[1].v[2], polyf_points[2].v[2])); + facemaxs[0] = max(polyf_points[0].v[0], max(polyf_points[1].v[0], polyf_points[2].v[0])); + facemaxs[1] = max(polyf_points[0].v[1], max(polyf_points[1].v[1], polyf_points[2].v[1])); + facemaxs[2] = max(polyf_points[0].v[2], max(polyf_points[1].v[2], polyf_points[2].v[2])); if (BoxesOverlap(segmentmins, segmentmaxs, facemins, facemaxs)) { Collision_CalcPlanesForPolygonBrushFloat(&polyf_brush); @@ -915,7 +943,7 @@ static colpointf_t polyf_pointsstart[256], polyf_pointsend[256]; static colplanef_t polyf_planesstart[256 + 2], polyf_planesend[256 + 2]; static colbrushf_t polyf_brushstart, polyf_brushend; -void Collision_TraceBrushPolygonTransformFloat(trace_t *trace, const colbrushf_t *thisbrush_start, const colbrushf_t *thisbrush_end, int numpoints, const float *points, const matrix4x4_t *polygonmatrixstart, const matrix4x4_t *polygonmatrixend, int supercontents) +void Collision_TraceBrushPolygonTransformFloat(trace_t *trace, const colbrushf_t *thisbrush_start, const colbrushf_t *thisbrush_end, int numpoints, const float *points, const matrix4x4_t *polygonmatrixstart, const matrix4x4_t *polygonmatrixend, int supercontents, int q3surfaceflags, texture_t *texture) { int i; if (numpoints > 256) @@ -937,6 +965,11 @@ void Collision_TraceBrushPolygonTransformFloat(trace_t *trace, const colbrushf_t polyf_brushend.supercontents = supercontents; for (i = 0;i < numpoints;i++) Matrix4x4_Transform(polygonmatrixend, points + i * 3, polyf_brushend.points[i].v); + for (i = 0;i < polyf_brushstart.numplanes;i++) + { + polyf_brushstart.planes[i].q3surfaceflags = q3surfaceflags; + polyf_brushstart.planes[i].texture = texture; + } Collision_SnapCopyPoints(numpoints, polyf_pointsstart, polyf_pointsstart, COLLISION_SNAPSCALE, COLLISION_SNAP); Collision_SnapCopyPoints(numpoints, polyf_pointsend, polyf_pointsend, COLLISION_SNAPSCALE, COLLISION_SNAP); Collision_CalcPlanesForPolygonBrushFloat(&polyf_brushstart); @@ -962,12 +995,10 @@ void Collision_InitBrushForBox(void) int i; for (i = 0;i < MAX_BRUSHFORBOX;i++) { - brushforbox_brush[i].supercontents = SUPERCONTENTS_SOLID; brushforbox_brush[i].numpoints = 8; brushforbox_brush[i].numplanes = 6; brushforbox_brush[i].points = brushforbox_point + i * 8; brushforbox_brush[i].planes = brushforbox_plane + i * 6; - brushforpoint_brush[i].supercontents = SUPERCONTENTS_SOLID; brushforpoint_brush[i].numpoints = 1; brushforpoint_brush[i].numplanes = 0; brushforpoint_brush[i].points = brushforbox_point + i * 8; @@ -975,7 +1006,7 @@ void Collision_InitBrushForBox(void) } } -colbrushf_t *Collision_BrushForBox(const matrix4x4_t *matrix, const vec3_t mins, const vec3_t maxs) +colbrushf_t *Collision_BrushForBox(const matrix4x4_t *matrix, const vec3_t mins, const vec3_t maxs, int supercontents, int q3surfaceflags, texture_t *texture) { int i, j; vec3_t v; @@ -1009,8 +1040,13 @@ colbrushf_t *Collision_BrushForBox(const matrix4x4_t *matrix, const vec3_t mins, VectorNormalize(brush->planes[i].normal); } } + brush->supercontents = supercontents; for (j = 0;j < brush->numplanes;j++) + { + brush->planes[j].q3surfaceflags = q3surfaceflags; + brush->planes[j].texture = texture; brush->planes[j].dist = furthestplanedist_float(brush->planes[j].normal, brush->points, brush->numpoints); + } VectorCopy(brush->points[0].v, brush->mins); VectorCopy(brush->points[0].v, brush->maxs); for (j = 1;j < brush->numpoints;j++) @@ -1032,10 +1068,9 @@ colbrushf_t *Collision_BrushForBox(const matrix4x4_t *matrix, const vec3_t mins, return brush; } -void Collision_ClipTrace_BrushBox(trace_t *trace, const vec3_t cmins, const vec3_t cmaxs, const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int hitsupercontentsmask) +void Collision_ClipTrace_BrushBox(trace_t *trace, const vec3_t cmins, const vec3_t cmaxs, const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int hitsupercontentsmask, int supercontents, int q3surfaceflags, texture_t *texture) { colbrushf_t *boxbrush, *thisbrush_start, *thisbrush_end; - matrix4x4_t identitymatrix; vec3_t startmins, startmaxs, endmins, endmaxs; // create brushes for the collision @@ -1043,10 +1078,9 @@ void Collision_ClipTrace_BrushBox(trace_t *trace, const vec3_t cmins, const vec3 VectorAdd(start, maxs, startmaxs); VectorAdd(end, mins, endmins); VectorAdd(end, maxs, endmaxs); - Matrix4x4_CreateIdentity(&identitymatrix); - boxbrush = Collision_BrushForBox(&identitymatrix, cmins, cmaxs); - thisbrush_start = Collision_BrushForBox(&identitymatrix, startmins, startmaxs); - thisbrush_end = Collision_BrushForBox(&identitymatrix, endmins, endmaxs); + boxbrush = Collision_BrushForBox(&identitymatrix, cmins, cmaxs, supercontents, q3surfaceflags, texture); + thisbrush_start = Collision_BrushForBox(&identitymatrix, startmins, startmaxs, 0, 0, NULL); + thisbrush_end = Collision_BrushForBox(&identitymatrix, endmins, endmaxs, 0, 0, NULL); memset(trace, 0, sizeof(trace_t)); trace->hitsupercontentsmask = hitsupercontentsmask; @@ -1108,7 +1142,7 @@ float Collision_ClipTrace_Line_Sphere(double *linestart, double *lineend, double return impactdist / linelength; } -void Collision_TraceLineTriangleFloat(trace_t *trace, const vec3_t linestart, const vec3_t lineend, const float *point0, const float *point1, const float *point2) +void Collision_TraceLineTriangleFloat(trace_t *trace, const vec3_t linestart, const vec3_t lineend, const float *point0, const float *point1, const float *point2, int supercontents, int q3surfaceflags, texture_t *texture) { #if 1 // more optimized @@ -1219,6 +1253,10 @@ void Collision_TraceLineTriangleFloat(trace_t *trace, const vec3_t linestart, co d = 1.0 / sqrt(faceplanenormallength2); VectorScale(faceplanenormal, d, trace->plane.normal); trace->plane.dist = faceplanedist * d; + + trace->hitsupercontents = supercontents; + trace->hitq3surfaceflags = q3surfaceflags; + trace->hittexture = texture; #else float d1, d2, d, f, fnudged, impact[3], edgenormal[3], faceplanenormal[3], faceplanedist, edge[3]; @@ -1312,6 +1350,9 @@ void Collision_TraceLineTriangleFloat(trace_t *trace, const vec3_t linestart, co //trace->endpos[0] = linestart[0] + fnudged * (lineend[0] - linestart[0]); //trace->endpos[1] = linestart[1] + fnudged * (lineend[1] - linestart[1]); //trace->endpos[2] = linestart[2] + fnudged * (lineend[2] - linestart[2]); + trace->hitsupercontents = supercontents; + trace->hitq3surfaceflags = q3surfaceflags; + trace->hittexture = texture; #endif }