+static void Mod_CollisionBIH_TracePoint_RecursiveBIHNode(trace_t *trace, dp_model_t *model, int nodenum, const vec3_t point)
+{
+ const bih_leaf_t *leaf;
+ const bih_node_t *node;
+ const colbrushf_t *brush;
+ int axis;
+ while (nodenum >= 0)
+ {
+ node = model->collision_bih.nodes + nodenum;
+ axis = node->type - BIH_SPLITX;
+ if (point[axis] <= node->backmax)
+ {
+ if (point[axis] >= node->frontmin)
+ Mod_CollisionBIH_TracePoint_RecursiveBIHNode(trace, model, node->front, point);
+ nodenum = node->back;
+ }
+ else if (point[axis] >= node->frontmin)
+ nodenum = node->front;
+ else // no overlap with either child? just return
+ return;
+ }
+ if (!model->collision_bih.leafs)
+ return;
+ leaf = model->collision_bih.leafs + (-1-nodenum);
+ switch(leaf->type)
+ {
+ case BIH_BRUSH:
+ brush = model->brush.data_brushes[leaf->itemindex].colbrushf;
+ Collision_TracePointBrushFloat(trace, point, brush);
+ break;
+ case BIH_COLLISIONTRIANGLE:
+ // collision triangle - skipped because they have no volume
+ break;
+ case BIH_RENDERTRIANGLE:
+ // render triangle - skipped because they have no volume
+ break;
+ }
+}
+
+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)
+{
+ const bih_leaf_t *leaf;
+ const bih_node_t *node;
+ const colbrushf_t *brush;
+ const int *e;
+ const texture_t *texture;
+ int axis;
+#define BIHLINECLIP
+#ifdef BIHLINECLIP
+ int sideflags;
+ vec_t frontdist1;
+ vec_t frontdist2;
+ vec_t frontfrac;
+ vec_t backdist1;
+ vec_t backdist2;
+ vec_t backfrac;
+ vec3_t clipped[2];
+#endif
+ vec3_t segmentmins;
+ vec3_t segmentmaxs;
+ segmentmins[0] = min(start[0], end[0]);
+ segmentmins[1] = min(start[1], end[1]);
+ segmentmins[2] = min(start[2], end[2]);
+ segmentmaxs[0] = max(start[0], end[0]);
+ segmentmaxs[1] = max(start[1], end[1]);
+ segmentmaxs[2] = max(start[2], end[2]);
+ while (nodenum >= 0)
+ {
+ node = model->collision_bih.nodes + nodenum;
+#if 0
+ if (!BoxesOverlap(segmentmins, segmentmaxs, node->mins, node->maxs))
+ return;
+#endif
+ axis = node->type - BIH_SPLITX;
+#if 0
+ if (segmentmins[axis] <= node->backmax)
+ {
+ if (segmentmaxs[axis] >= node->frontmin)
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend);
+ nodenum = node->back;
+ }
+ else if (segmentmaxs[axis] >= node->frontmin)
+ nodenum = node->front;
+ else
+ return; // trace falls between children
+#else
+ frontdist1 = start[axis] - node->frontmin;
+ frontdist2 = end[axis] - node->frontmin;
+ backdist1 = start[axis] - node->backmax;
+ backdist2 = end[axis] - node->backmax;
+ sideflags = 0;
+ if (frontdist1 < 0)
+ sideflags |= 1;
+ if (frontdist2 < 0)
+ sideflags |= 2;
+ if (backdist1 < 0)
+ sideflags |= 4;
+ if (backdist2 < 0)
+ sideflags |= 8;
+#if 0
+ if (sideflags & 12)
+ {
+ if ((sideflags & 3) != 3)
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend);
+ nodenum = node->back;
+ }
+ else if ((sideflags & 3) != 3)
+ nodenum = node->front;
+ else
+ return; // trace falls between children
+#else
+ switch(sideflags)
+ {
+ case 0:
+ // start end START END
+ nodenum = node->front;
+ continue;
+ case 1:
+ // START end START END
+#ifdef BIHLINECLIP
+ frontfrac = frontdist1 / (frontdist1 - frontdist2);
+ VectorLerp(start, frontfrac, end, clipped[0]);
+ start = clipped[0];
+ segmentmins[0] = min(start[0], end[0]);
+ segmentmins[1] = min(start[1], end[1]);
+ segmentmins[2] = min(start[2], end[2]);
+ segmentmaxs[0] = max(start[0], end[0]);
+ segmentmaxs[1] = max(start[1], end[1]);
+ segmentmaxs[2] = max(start[2], end[2]);
+#endif
+ nodenum = node->front;
+ break;
+ case 2:
+#ifdef BIHLINECLIP
+ // start END START END
+ frontfrac = frontdist1 / (frontdist1 - frontdist2);
+ VectorLerp(start, frontfrac, end, clipped[0]);
+ end = clipped[0];
+ segmentmins[0] = min(start[0], end[0]);
+ segmentmins[1] = min(start[1], end[1]);
+ segmentmins[2] = min(start[2], end[2]);
+ segmentmaxs[0] = max(start[0], end[0]);
+ segmentmaxs[1] = max(start[1], end[1]);
+ segmentmaxs[2] = max(start[2], end[2]);
+#endif
+ nodenum = node->front;
+ break;
+ case 3:
+ // START END START END
+ 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);
+#ifdef BIHLINECLIP
+ backfrac = backdist1 / (backdist1 - backdist2);
+ VectorLerp(start, backfrac, end, clipped[0]);
+ end = clipped[0];
+ segmentmins[0] = min(start[0], end[0]);
+ segmentmins[1] = min(start[1], end[1]);
+ segmentmins[2] = min(start[2], end[2]);
+ segmentmaxs[0] = max(start[0], end[0]);
+ segmentmaxs[1] = max(start[1], end[1]);
+ segmentmaxs[2] = max(start[2], end[2]);
+#endif
+ nodenum = node->back;
+ break;
+ case 5:
+ // START end start END
+#ifdef BIHLINECLIP
+ frontfrac = frontdist1 / (frontdist1 - frontdist2);
+ VectorLerp(start, frontfrac, end, clipped[1]);
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, clipped[1], end, linestart, lineend);
+ backfrac = backdist1 / (backdist1 - backdist2);
+ VectorLerp(start, backfrac, end, clipped[0]);
+ end = clipped[0];
+ segmentmins[0] = min(start[0], end[0]);
+ segmentmins[1] = min(start[1], end[1]);
+ segmentmins[2] = min(start[2], end[2]);
+ segmentmaxs[0] = max(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);
+#endif
+ nodenum = node->back;
+ break;
+ case 6:
+ // start END start END
+#ifdef BIHLINECLIP
+ frontfrac = frontdist1 / (frontdist1 - frontdist2);
+ VectorLerp(start, frontfrac, end, clipped[1]);
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, clipped[1], linestart, lineend);
+ backfrac = backdist1 / (backdist1 - backdist2);
+ VectorLerp(start, backfrac, end, clipped[0]);
+ end = clipped[0];
+ segmentmins[0] = min(start[0], end[0]);
+ segmentmins[1] = min(start[1], end[1]);
+ segmentmins[2] = min(start[2], end[2]);
+ segmentmaxs[0] = max(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);
+#endif
+ nodenum = node->back;
+ break;
+ case 7:
+ // START END start END
+#ifdef BIHLINECLIP
+ backfrac = backdist1 / (backdist1 - backdist2);
+ VectorLerp(start, backfrac, end, clipped[0]);
+ end = clipped[0];
+ segmentmins[0] = min(start[0], end[0]);
+ segmentmins[1] = min(start[1], end[1]);
+ segmentmins[2] = min(start[2], end[2]);
+ segmentmaxs[0] = max(start[0], end[0]);
+ segmentmaxs[1] = max(start[1], end[1]);
+ segmentmaxs[2] = max(start[2], end[2]);
+#endif
+ nodenum = node->back;
+ break;
+ case 8:
+ // start end START end
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend);
+#ifdef BIHLINECLIP
+ backfrac = backdist1 / (backdist1 - backdist2);
+ VectorLerp(start, backfrac, end, clipped[0]);
+ start = clipped[0];
+ segmentmins[0] = min(start[0], end[0]);
+ segmentmins[1] = min(start[1], end[1]);
+ segmentmins[2] = min(start[2], end[2]);
+ segmentmaxs[0] = max(start[0], end[0]);
+ segmentmaxs[1] = max(start[1], end[1]);
+ segmentmaxs[2] = max(start[2], end[2]);
+#endif
+ nodenum = node->back;
+ break;
+ case 9:
+ // START end START end
+#ifdef BIHLINECLIP
+ frontfrac = frontdist1 / (frontdist1 - frontdist2);
+ VectorLerp(start, frontfrac, end, clipped[1]);
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, clipped[1], end, linestart, lineend);
+ backfrac = backdist1 / (backdist1 - backdist2);
+ VectorLerp(start, backfrac, end, clipped[0]);
+ start = clipped[0];
+ segmentmins[0] = min(start[0], end[0]);
+ segmentmins[1] = min(start[1], end[1]);
+ segmentmins[2] = min(start[2], end[2]);
+ segmentmaxs[0] = max(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);
+#endif
+ nodenum = node->back;
+ break;
+ case 10:
+ // start END START end
+#ifdef BIHLINECLIP
+ frontfrac = frontdist1 / (frontdist1 - frontdist2);
+ VectorLerp(start, frontfrac, end, clipped[1]);
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, clipped[1], linestart, lineend);
+ backfrac = backdist1 / (backdist1 - backdist2);
+ VectorLerp(start, backfrac, end, clipped[0]);
+ start = clipped[0];
+ segmentmins[0] = min(start[0], end[0]);
+ segmentmins[1] = min(start[1], end[1]);
+ segmentmins[2] = min(start[2], end[2]);
+ segmentmaxs[0] = max(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);
+#endif
+ nodenum = node->back;
+ break;
+ case 11:
+ // START END START end
+#ifdef BIHLINECLIP
+ backfrac = backdist1 / (backdist1 - backdist2);
+ VectorLerp(start, backfrac, end, clipped[0]);
+ start = clipped[0];
+ segmentmins[0] = min(start[0], end[0]);
+ segmentmins[1] = min(start[1], end[1]);
+ segmentmins[2] = min(start[2], end[2]);
+ segmentmaxs[0] = max(start[0], end[0]);
+ segmentmaxs[1] = max(start[1], end[1]);
+ segmentmaxs[2] = max(start[2], end[2]);
+#endif
+ nodenum = node->back;
+ break;
+ case 12:
+ // start end start end
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend);
+ nodenum = node->back;
+ break;
+ case 13:
+ // START end start end
+#ifdef BIHLINECLIP
+ frontfrac = frontdist1 / (frontdist1 - frontdist2);
+ VectorLerp(start, frontfrac, end, clipped[1]);
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, clipped[1], end, linestart, lineend);
+#else
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend);
+#endif
+ nodenum = node->back;
+ break;
+ case 14:
+ // start END start end
+#ifdef BIHLINECLIP
+ frontfrac = frontdist1 / (frontdist1 - frontdist2);
+ VectorLerp(start, frontfrac, end, clipped[1]);
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, clipped[1], linestart, lineend);
+#else
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend);
+#endif
+ nodenum = node->back;
+ break;
+ case 15:
+ // START END start end
+ nodenum = node->back;
+ continue;
+ }
+#endif
+#endif
+ }
+ if (!model->collision_bih.leafs)
+ return;
+ leaf = model->collision_bih.leafs + (-1-nodenum);
+#if 1
+ if (!BoxesOverlap(segmentmins, segmentmaxs, leaf->mins, leaf->maxs))
+ return;
+#endif
+ switch(leaf->type)
+ {
+ case BIH_BRUSH:
+ brush = model->brush.data_brushes[leaf->itemindex].colbrushf;
+ Collision_TraceLineBrushFloat(trace, linestart, lineend, brush, brush);
+ break;
+ case BIH_COLLISIONTRIANGLE:
+ if (!mod_q3bsp_curves_collisions.integer)
+ return;
+ e = model->brush.data_collisionelement3i + 3*leaf->itemindex;
+ texture = model->data_textures + leaf->textureindex;
+ Collision_TraceLineTriangleFloat(trace, linestart, lineend, model->brush.data_collisionvertex3f + e[0] * 3, model->brush.data_collisionvertex3f + e[1] * 3, model->brush.data_collisionvertex3f + e[2] * 3, texture->supercontents, texture->surfaceflags, texture);
+ break;
+ case BIH_RENDERTRIANGLE:
+ e = model->surfmesh.data_element3i + 3*leaf->itemindex;
+ texture = model->data_textures + leaf->textureindex;
+ Collision_TraceLineTriangleFloat(trace, linestart, lineend, model->surfmesh.data_vertex3f + e[0] * 3, model->surfmesh.data_vertex3f + e[1] * 3, model->surfmesh.data_vertex3f + e[2] * 3, texture->supercontents, texture->surfaceflags, texture);
+ break;
+ }
+}
+
+static void Mod_CollisionBIH_TraceBrush_RecursiveBIHNode(trace_t *trace, dp_model_t *model, int nodenum, const colbrushf_t *thisbrush_start, const colbrushf_t *thisbrush_end, const vec3_t segmentmins, const vec3_t segmentmaxs)
+{
+ const bih_leaf_t *leaf;
+ const bih_node_t *node;
+ const colbrushf_t *brush;
+ const int *e;
+ const texture_t *texture;
+ int axis;
+ while (nodenum >= 0)
+ {
+ node = model->collision_bih.nodes + nodenum;
+ axis = node->type - BIH_SPLITX;
+#if 1
+ if (!BoxesOverlap(segmentmins, segmentmaxs, node->mins, node->maxs))
+ return;
+#endif
+#if 0
+ Mod_CollisionBIH_TraceBrush_RecursiveBIHNode(trace, model, node->front, thisbrush_start, thisbrush_end, segmentmins, segmentmaxs);
+ nodenum = node->back;
+ continue;
+#endif
+ if (segmentmins[axis] <= node->backmax)
+ {
+ if (segmentmaxs[axis] >= node->frontmin)
+ Mod_CollisionBIH_TraceBrush_RecursiveBIHNode(trace, model, node->front, thisbrush_start, thisbrush_end, segmentmins, segmentmaxs);
+ nodenum = node->back;
+ }
+ else if (segmentmaxs[axis] >= node->frontmin)
+ nodenum = node->front;
+ else
+ return; // trace falls between children
+ }
+ if (!model->collision_bih.leafs)
+ return;
+ leaf = model->collision_bih.leafs + (-1-nodenum);
+#if 1
+ if (!BoxesOverlap(segmentmins, segmentmaxs, leaf->mins, leaf->maxs))
+ return;
+#endif
+ switch(leaf->type)
+ {
+ case BIH_BRUSH:
+ brush = model->brush.data_brushes[leaf->itemindex].colbrushf;
+ Collision_TraceBrushBrushFloat(trace, thisbrush_start, thisbrush_end, brush, brush);
+ break;
+ case BIH_COLLISIONTRIANGLE:
+ if (!mod_q3bsp_curves_collisions.integer)
+ return;
+ e = model->brush.data_collisionelement3i + 3*leaf->itemindex;
+ texture = model->data_textures + leaf->textureindex;
+ Collision_TraceBrushTriangleFloat(trace, thisbrush_start, thisbrush_end, model->brush.data_collisionvertex3f + e[0] * 3, model->brush.data_collisionvertex3f + e[1] * 3, model->brush.data_collisionvertex3f + e[2] * 3, texture->supercontents, texture->surfaceflags, texture);
+ break;
+ case BIH_RENDERTRIANGLE:
+ e = model->surfmesh.data_element3i + 3*leaf->itemindex;
+ texture = model->data_textures + leaf->textureindex;
+ Collision_TraceBrushTriangleFloat(trace, thisbrush_start, thisbrush_end, model->surfmesh.data_vertex3f + e[0] * 3, model->surfmesh.data_vertex3f + e[1] * 3, model->surfmesh.data_vertex3f + e[2] * 3, texture->supercontents, texture->surfaceflags, texture);
+ break;
+ }
+}
+
+void Mod_CollisionBIH_TracePoint(dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, int hitsupercontentsmask)
+{
+ memset(trace, 0, sizeof(*trace));
+ trace->fraction = 1;
+ trace->realfraction = 1;
+ trace->hitsupercontentsmask = hitsupercontentsmask;
+ Mod_CollisionBIH_TracePoint_RecursiveBIHNode(trace, model, model->collision_bih.rootnode, start);
+}
+
+void Mod_CollisionBIH_TraceLine(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)
+{
+ if (VectorCompare(start, end))
+ {
+ Mod_CollisionBIH_TracePoint(model, frameblend, skeleton, trace, start, hitsupercontentsmask);
+ return;
+ }
+
+ memset(trace, 0, sizeof(*trace));
+ trace->fraction = 1;
+ trace->realfraction = 1;
+ trace->hitsupercontentsmask = hitsupercontentsmask;
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, 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)
+{
+ float segmentmins[3], segmentmaxs[3];
+ colboxbrushf_t thisbrush_start, thisbrush_end;
+ vec3_t boxstartmins, boxstartmaxs, boxendmins, boxendmaxs;
+
+ if (mod_q3bsp_optimizedtraceline.integer && VectorCompare(boxmins, boxmaxs))
+ {
+ vec3_t shiftstart, shiftend;
+ VectorAdd(start, boxmins, shiftstart);
+ VectorAdd(end, boxmins, shiftend);
+ if (VectorCompare(start, end))
+ Mod_CollisionBIH_TracePoint(model, frameblend, skeleton, trace, shiftstart, hitsupercontentsmask);
+ else
+ {
+ Mod_CollisionBIH_TraceLine(model, frameblend, skeleton, trace, shiftstart, shiftend, hitsupercontentsmask);
+ VectorSubtract(trace->endpos, boxmins, trace->endpos);
+ }
+ return;
+ }
+
+ // box trace, performed as brush trace
+ memset(trace, 0, sizeof(*trace));
+ trace->fraction = 1;
+ trace->realfraction = 1;
+ trace->hitsupercontentsmask = hitsupercontentsmask;
+ segmentmins[0] = min(start[0], end[0]) + boxmins[0] - 1;
+ segmentmins[1] = min(start[1], end[1]) + boxmins[1] - 1;
+ segmentmins[2] = min(start[2], end[2]) + boxmins[2] - 1;
+ segmentmaxs[0] = max(start[0], end[0]) + boxmaxs[0] + 1;
+ segmentmaxs[1] = max(start[1], end[1]) + boxmaxs[1] + 1;
+ segmentmaxs[2] = max(start[2], end[2]) + boxmaxs[2] + 1;
+ VectorAdd(start, boxmins, boxstartmins);
+ VectorAdd(start, boxmaxs, boxstartmaxs);
+ VectorAdd(end, boxmins, boxendmins);
+ VectorAdd(end, boxmaxs, boxendmaxs);
+ Collision_BrushForBox(&thisbrush_start, boxstartmins, boxstartmaxs, 0, 0, NULL);
+ Collision_BrushForBox(&thisbrush_end, boxendmins, boxendmaxs, 0, 0, NULL);
+ Mod_CollisionBIH_TraceBrush_RecursiveBIHNode(trace, model, model->collision_bih.rootnode, &thisbrush_start.brush, &thisbrush_end.brush, segmentmins, segmentmaxs);
+}
+
+int Mod_CollisionBIH_PointSuperContents(struct model_s *model, int frame, const vec3_t point)
+{
+ trace_t trace;
+ Mod_CollisionBIH_TracePoint(model, NULL, NULL, &trace, point, 0);
+ return trace.startsupercontents;
+}
+
+void Mod_CollisionBIH_TracePoint_Mesh(dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, int hitsupercontentsmask)
+{
+#if 0
+ // broken - needs to be modified to count front faces and backfaces to figure out if it is in solid
+ vec3_t end;
+ int hitsupercontents;
+ VectorSet(end, start[0], start[1], model->normalmins[2]);
+#endif
+ memset(trace, 0, sizeof(*trace));
+ trace->fraction = 1;
+ trace->realfraction = 1;
+ trace->hitsupercontentsmask = hitsupercontentsmask;
+#if 0
+ Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, model->collision_bih.rootnode, start, end, start, end);
+ hitsupercontents = trace->hitsupercontents;
+ memset(trace, 0, sizeof(*trace));
+ trace->fraction = 1;
+ trace->realfraction = 1;
+ trace->hitsupercontentsmask = hitsupercontentsmask;
+ trace->startsupercontents = hitsupercontents;
+#endif
+}
+
+int Mod_CollisionBIH_PointSuperContents_Mesh(struct model_s *model, int frame, const vec3_t start)
+{
+#if 0
+ // broken - needs to be modified to count front faces and backfaces to figure out if it is in solid
+ trace_t trace;
+ vec3_t end;
+ 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_RecursiveBIHNode(&trace, model, model->collision_bih.rootnode, start, end, start, end);
+ return trace.hitsupercontents;
+#else
+ return 0;
+#endif
+}
+