Mod_Q1BSP_LightPoint_RecursiveBSPNode(model, ambientcolor, diffusecolor, diffusenormal, model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode, p[0], p[1], p[2] + 0.125, p[2] - 65536);
}
+static texture_t *Mod_Q1BSP_TraceLineAgainstSurfacesFindTextureOnNode(RecursiveHullCheckTraceInfo_t *t, const dp_model_t *model, const mnode_t *node, double mid[3])
+{
+ int i;
+ int j;
+ int k;
+ int axis = node->plane->type;
+ const msurface_t *surface;
+ float normal[3];
+ float v0[3];
+ float v1[3];
+ float edgedir[3];
+ float edgenormal[3];
+ float p[3];
+ VectorCopy(mid, p);
+ surface = model->data_surfaces + node->firstsurface;
+ for (i = 0;i < node->numsurfaces;i++, surface++)
+ {
+ if (axis < 3)
+ {
+ if (mid[axis] < surface->mins[axis] || mid[axis] > surface->maxs[axis])
+ continue;
+ }
+ else
+ {
+ if (!BoxesOverlap(mid, mid, surface->mins, surface->maxs))
+ continue;
+ }
+ if (!(t->trace->hitsupercontentsmask & surface->texture->supercontents))
+ continue;
+ VectorCopy(model->surfmesh.data_normal3f + 3 * surface->num_firstvertex, normal);
+ for (j = 0, k = surface->num_vertices - 1;j < surface->num_vertices;k = j, j++)
+ {
+ VectorCopy(model->surfmesh.data_vertex3f + 3 * (surface->num_firstvertex + k), v0);
+ VectorCopy(model->surfmesh.data_vertex3f + 3 * (surface->num_firstvertex + j), v1);
+ VectorSubtract(v0, v1, edgedir);
+ CrossProduct(edgedir, normal, edgenormal);
+ if (DotProduct(edgenormal, p) > DotProduct(edgenormal, v0))
+ break;
+ }
+ if (j == surface->num_vertices)
+ {
+ // hit this surface
+ return surface->texture->currentframe;
+ }
+ }
+ return NULL;
+}
+
+static int Mod_Q1BSP_TraceLineAgainstSurfacesRecursiveBSPNode(RecursiveHullCheckTraceInfo_t *t, const dp_model_t *model, const mnode_t *node, const double p1[3], const double p2[3])
+{
+ const mplane_t *plane;
+ double t1, t2;
+ int side;
+ double midf, mid[3];
+ const mleaf_t *leaf;
+
+ while (node->plane)
+ {
+ plane = node->plane;
+ if (plane->type < 3)
+ {
+ t1 = p1[plane->type] - plane->dist;
+ t2 = p2[plane->type] - plane->dist;
+ }
+ else
+ {
+ t1 = DotProduct (plane->normal, p1) - plane->dist;
+ t2 = DotProduct (plane->normal, p2) - plane->dist;
+ }
+ if (t1 < 0)
+ {
+ if (t2 < 0)
+ {
+ node = node->children[1];
+ continue;
+ }
+ side = 1;
+ }
+ else
+ {
+ if (t2 >= 0)
+ {
+ node = node->children[0];
+ continue;
+ }
+ side = 0;
+ }
+
+ // the line intersects, find intersection point
+ // LordHavoc: this uses the original trace for maximum accuracy
+ if (plane->type < 3)
+ {
+ t1 = t->start[plane->type] - plane->dist;
+ t2 = t->end[plane->type] - plane->dist;
+ }
+ else
+ {
+ t1 = DotProduct (plane->normal, t->start) - plane->dist;
+ t2 = DotProduct (plane->normal, t->end) - plane->dist;
+ }
+
+ midf = t1 / (t1 - t2);
+ VectorMA(t->start, midf, t->dist, mid);
+
+ // recurse both sides, front side first, return if we hit a surface
+ if (Mod_Q1BSP_TraceLineAgainstSurfacesRecursiveBSPNode(t, model, node->children[side], p1, mid) == HULLCHECKSTATE_DONE)
+ return HULLCHECKSTATE_DONE;
+
+ t->trace->hittexture = Mod_Q1BSP_TraceLineAgainstSurfacesFindTextureOnNode(t, model, node, mid);
+ if (!t->trace->hittexture)
+ return Mod_Q1BSP_TraceLineAgainstSurfacesRecursiveBSPNode(t, model, node->children[side ^ 1], mid, p2);
+
+ // we hit a surface, this is the impact point...
+ if (side)
+ {
+ t->trace->plane.dist = -plane->dist;
+ VectorNegate (plane->normal, t->trace->plane.normal);
+ }
+ else
+ {
+ t->trace->plane.dist = plane->dist;
+ VectorCopy (plane->normal, t->trace->plane.normal);
+ }
+
+ // calculate the true fraction
+ t->trace->realfraction = midf;
+
+ // calculate the return fraction which is nudged off the surface a bit
+ midf = (t1 - DIST_EPSILON) / (t1 - t2);
+ t->trace->fraction = bound(0, midf, 1);
+
+ if (collision_prefernudgedfraction.integer)
+ t->trace->realfraction = t->trace->fraction;
+
+ t->trace->hitq3surfaceflags = t->trace->hittexture->surfaceflags;
+ t->trace->hitsupercontents = t->trace->hittexture->supercontents;
+
+ return HULLCHECKSTATE_DONE;
+ }
+ leaf = (const mleaf_t *)node;
+ side = Mod_Q1BSP_SuperContentsFromNativeContents(NULL, leaf->contents);
+ if (!t->trace->startfound)
+ {
+ t->trace->startfound = true;
+ t->trace->startsupercontents |= side;
+ }
+ if (side & SUPERCONTENTS_LIQUIDSMASK)
+ t->trace->inwater = true;
+ if (side == 0)
+ t->trace->inopen = true;
+ if (side & t->trace->hitsupercontentsmask)
+ {
+ // if the first leaf is solid, set startsolid
+ if (t->trace->allsolid)
+ t->trace->startsolid = true;
+ return HULLCHECKSTATE_SOLID;
+ }
+ else
+ {
+ t->trace->allsolid = false;
+ return HULLCHECKSTATE_EMPTY;
+ }
+}
+
+static void Mod_Q1BSP_TraceLineAgainstSurfaces(struct model_s *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, const vec3_t end, int hitsupercontentsmask)
+{
+ RecursiveHullCheckTraceInfo_t rhc;
+
+ memset(&rhc, 0, sizeof(rhc));
+ memset(trace, 0, sizeof(trace_t));
+ 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);
+ VectorCopy(end, rhc.end);
+ VectorSubtract(rhc.end, rhc.start, rhc.dist);
+ Mod_Q1BSP_TraceLineAgainstSurfacesRecursiveBSPNode(&rhc, model, model->brush.data_nodes + rhc.hull->firstclipnode, rhc.start, rhc.end);
+ VectorMA(rhc.start, rhc.trace->fraction, rhc.dist, rhc.trace->endpos);
+}
+
static void Mod_Q1BSP_DecompressVis(const unsigned char *in, const unsigned char *inend, unsigned char *out, unsigned char *outend)
{
int c;
return numshadowmeshtriangles;
}
+void Mod_CollisionBIH_TraceLineAgainstSurfaces(dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, const vec3_t end, int hitsupercontentsmask);
+
void Mod_Q1BSP_Load(dp_model_t *mod, void *buffer, void *bufferend)
{
int i, j, k;
mod->soundfromcenter = true;
mod->TraceBox = Mod_Q1BSP_TraceBox;
- mod->TraceLine = Mod_Q1BSP_TraceLine;
+ mod->TraceLine = Mod_Q1BSP_TraceLineAgainstSurfaces; // LordHavoc: use the surface-hitting version of TraceLine in all cases
mod->TracePoint = Mod_Q1BSP_TracePoint;
mod->PointSuperContents = Mod_Q1BSP_PointSuperContents;
+ mod->TraceLineAgainstSurfaces = Mod_Q1BSP_TraceLineAgainstSurfaces;
mod->brush.TraceLineOfSight = Mod_Q1BSP_TraceLineOfSight;
mod->brush.SuperContentsFromNativeContents = Mod_Q1BSP_SuperContentsFromNativeContents;
mod->brush.NativeContentsFromSuperContents = Mod_Q1BSP_NativeContentsFromSuperContents;
mod->TraceLine = Mod_CollisionBIH_TraceLine;
mod->TraceBox = Mod_CollisionBIH_TraceBox;
mod->TraceBrush = Mod_CollisionBIH_TraceBrush;
+ mod->TraceLineAgainstSurfaces = Mod_CollisionBIH_TraceLineAgainstSurfaces;
}
// generate VBOs and other shared data before cloning submodels
}
}
-static void Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace_t *trace, dp_model_t *model, int nodenum, const vec3_t start, const vec3_t end, const vec3_t linestart, const vec3_t lineend)
+static void Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace_t *trace, dp_model_t *model, bih_t *bih, int nodenum, const vec3_t start, const vec3_t end, const vec3_t linestart, const vec3_t lineend)
{
const bih_leaf_t *leaf;
const bih_node_t *node;
segmentmaxs[2] = max(start[2], end[2]);
while (nodenum >= 0)
{
- node = model->collision_bih.nodes + nodenum;
+ node = bih->nodes + nodenum;
#if 0
if (!BoxesOverlap(segmentmins, segmentmaxs, node->mins, node->maxs))
return;
if (segmentmins[axis] <= node->backmax)
{
if (segmentmaxs[axis] >= node->frontmin)
- Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend);
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, bih, node->front, start, end, linestart, lineend);
nodenum = node->back;
}
else if (segmentmaxs[axis] >= node->frontmin)
if (sideflags & 12)
{
if ((sideflags & 3) != 3)
- Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend);
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, bih, node->front, start, end, linestart, lineend);
nodenum = node->back;
}
else if ((sideflags & 3) != 3)
return; // line falls in gap between children
case 4:
// start end start END
- Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend);
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, bih, node->front, start, end, linestart, lineend);
#ifdef BIHLINECLIP
backfrac = backdist1 / (backdist1 - backdist2);
VectorLerp(start, backfrac, end, newend); end = newend;
#ifdef BIHLINECLIP
frontfrac = frontdist1 / (frontdist1 - frontdist2);
VectorLerp(start, frontfrac, end, clipped);
- Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, clipped, end, linestart, lineend);
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, bih, node->front, clipped, end, linestart, lineend);
backfrac = backdist1 / (backdist1 - backdist2);
VectorLerp(start, backfrac, end, newend); end = newend;
segmentmins[0] = min(start[0], end[0]);
segmentmaxs[1] = max(start[1], end[1]);
segmentmaxs[2] = max(start[2], end[2]);
#else
- Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend);
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, bih, node->front, start, end, linestart, lineend);
#endif
nodenum = node->back;
break;
#ifdef BIHLINECLIP
frontfrac = frontdist1 / (frontdist1 - frontdist2);
VectorLerp(start, frontfrac, end, clipped);
- Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, clipped, linestart, lineend);
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, bih, node->front, start, clipped, linestart, lineend);
backfrac = backdist1 / (backdist1 - backdist2);
VectorLerp(start, backfrac, end, newend); end = newend;
segmentmins[0] = min(start[0], end[0]);
segmentmaxs[1] = max(start[1], end[1]);
segmentmaxs[2] = max(start[2], end[2]);
#else
- Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend);
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, bih, node->front, start, end, linestart, lineend);
#endif
nodenum = node->back;
break;
break;
case 8:
// start end START end
- Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend);
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, bih, node->front, start, end, linestart, lineend);
#ifdef BIHLINECLIP
backfrac = backdist1 / (backdist1 - backdist2);
VectorLerp(start, backfrac, end, newstart); start = newstart;
#ifdef BIHLINECLIP
frontfrac = frontdist1 / (frontdist1 - frontdist2);
VectorLerp(start, frontfrac, end, clipped);
- Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, clipped, end, linestart, lineend);
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, bih, node->front, clipped, end, linestart, lineend);
backfrac = backdist1 / (backdist1 - backdist2);
VectorLerp(start, backfrac, end, newstart); start = newstart;
segmentmins[0] = min(start[0], end[0]);
segmentmaxs[1] = max(start[1], end[1]);
segmentmaxs[2] = max(start[2], end[2]);
#else
- Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend);
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, bih, node->front, start, end, linestart, lineend);
#endif
nodenum = node->back;
break;
#ifdef BIHLINECLIP
frontfrac = frontdist1 / (frontdist1 - frontdist2);
VectorLerp(start, frontfrac, end, clipped);
- Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, clipped, linestart, lineend);
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, bih, node->front, start, clipped, linestart, lineend);
backfrac = backdist1 / (backdist1 - backdist2);
VectorLerp(start, backfrac, end, newstart); start = newstart;
segmentmins[0] = min(start[0], end[0]);
segmentmaxs[1] = max(start[1], end[1]);
segmentmaxs[2] = max(start[2], end[2]);
#else
- Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend);
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, bih, node->front, start, end, linestart, lineend);
#endif
nodenum = node->back;
break;
break;
case 12:
// start end start end
- Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend);
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, bih, node->front, start, end, linestart, lineend);
nodenum = node->back;
break;
case 13:
#ifdef BIHLINECLIP
frontfrac = frontdist1 / (frontdist1 - frontdist2);
VectorLerp(start, frontfrac, end, clipped);
- Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, clipped, end, linestart, lineend);
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, bih, node->front, clipped, end, linestart, lineend);
#else
- Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend);
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, bih, node->front, start, end, linestart, lineend);
#endif
nodenum = node->back;
break;
#ifdef BIHLINECLIP
frontfrac = frontdist1 / (frontdist1 - frontdist2);
VectorLerp(start, frontfrac, end, clipped);
- Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, clipped, linestart, lineend);
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, bih, node->front, start, clipped, linestart, lineend);
#else
- Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend);
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, bih, node->front, start, end, linestart, lineend);
#endif
nodenum = node->back;
break;
#endif
#endif
}
- if (!model->collision_bih.leafs)
+ if (!bih->leafs)
return;
- leaf = model->collision_bih.leafs + (-1-nodenum);
+ leaf = bih->leafs + (-1-nodenum);
#if 1
if (!BoxesOverlap(segmentmins, segmentmaxs, leaf->mins, leaf->maxs))
return;
trace->fraction = 1;
trace->realfraction = 1;
trace->hitsupercontentsmask = hitsupercontentsmask;
- Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, model->collision_bih.rootnode, start, end, start, end);
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, &model->collision_bih, model->collision_bih.rootnode, start, end, start, end);
}
void Mod_CollisionBIH_TraceBox(dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, const vec3_t boxmins, const vec3_t boxmaxs, const vec3_t end, int hitsupercontentsmask)
segmentmaxs[1] = max(start[1], end[1]) + 1;
segmentmaxs[2] = max(start[2], end[2]) + 1;
if (mod_collision_bih.integer)
- Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, model->collision_bih.rootnode, start, end, start, end);
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, &model->collision_bih, model->collision_bih.rootnode, start, end, start, end);
else if (model->brush.submodel)
{
for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
return supercontents;
}
+void Mod_CollisionBIH_TraceLineAgainstSurfaces(dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, const vec3_t end, int hitsupercontentsmask)
+{
+ memset(trace, 0, sizeof(*trace));
+ trace->fraction = 1;
+ trace->realfraction = 1;
+ trace->hitsupercontentsmask = hitsupercontentsmask;
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, &model->render_bih, model->render_bih.rootnode, start, end, start, end);
+}
+
+
bih_t *Mod_MakeCollisionBIH(dp_model_t *model, qboolean userendersurfaces, bih_t *out)
{
int j;
mod->TraceLine = Mod_Q3BSP_TraceLine;
mod->TracePoint = Mod_Q3BSP_TracePoint;
mod->PointSuperContents = Mod_Q3BSP_PointSuperContents;
+ mod->TraceLineAgainstSurfaces = Mod_CollisionBIH_TraceLineAgainstSurfaces;
mod->brush.TraceLineOfSight = Mod_Q3BSP_TraceLineOfSight;
mod->brush.SuperContentsFromNativeContents = Mod_Q3BSP_SuperContentsFromNativeContents;
mod->brush.NativeContentsFromSuperContents = Mod_Q3BSP_NativeContentsFromSuperContents;
loadmodel->TraceBrush = Mod_CollisionBIH_TraceBrush;
loadmodel->TraceLine = Mod_CollisionBIH_TraceLine;
loadmodel->TracePoint = Mod_CollisionBIH_TracePoint_Mesh;
+ loadmodel->TraceLineAgainstSurfaces = Mod_CollisionBIH_TraceLineAgainstSurfaces;
loadmodel->PointSuperContents = Mod_CollisionBIH_PointSuperContents_Mesh;
loadmodel->brush.TraceLineOfSight = NULL;
loadmodel->brush.SuperContentsFromNativeContents = NULL;
loadmodel->TraceLine = Mod_OBJ_TraceLine;
loadmodel->TracePoint = Mod_OBJ_TracePoint;
loadmodel->PointSuperContents = Mod_OBJ_PointSuperContents;
+ loadmodel->TraceLineAgainstSurfaces = Mod_OBJ_TraceLineAgainstSurfaces;
loadmodel->brush.TraceLineOfSight = Mod_OBJ_TraceLineOfSight;
loadmodel->brush.SuperContentsFromNativeContents = Mod_OBJ_SuperContentsFromNativeContents;
loadmodel->brush.NativeContentsFromSuperContents = Mod_OBJ_NativeContentsFromSuperContents;
projects / xonotic / darkplaces.git / blobdiff