+ maxfrac = bound(0, maxfrac, 1);
+ maxrealfrac = bound(0, maxrealfrac, 1);
+ //if (maxfrac < 0 || maxfrac > 1) Con_Printf("fraction out of bounds %f %s:%d\n", maxfrac, __FILE__, __LINE__);
+ if (impact)
+ VectorLerp(start, maxfrac, end, impact);
+ return maxfrac;
+}
+
+float CL_SelectTraceLine(const vec3_t start, const vec3_t end, vec3_t impact, vec3_t normal, int *hitent, entity_render_t *ignoreent)
+{
+ float maxfrac, maxrealfrac;
+ int n;
+ entity_render_t *ent;
+ float tracemins[3], tracemaxs[3];
+ trace_t trace;
+ float tempnormal[3], starttransformed[3], endtransformed[3];
+
+ memset (&trace, 0 , sizeof(trace_t));
+ trace.fraction = 1;
+ trace.realfraction = 1;
+ VectorCopy (end, trace.endpos);
+
+ if (hitent)
+ *hitent = 0;
+ Mod_CheckLoaded(cl.worldmodel);
+ if (cl.worldmodel && cl.worldmodel->TraceBox)
+ cl.worldmodel->TraceBox(cl.worldmodel, 0, &trace, start, start, end, end, SUPERCONTENTS_SOLID);
+
+ if (normal)
+ VectorCopy(trace.plane.normal, normal);
+ cl_traceline_startsupercontents = trace.startsupercontents;
+ maxfrac = trace.fraction;
+ maxrealfrac = trace.realfraction;
+
+ tracemins[0] = min(start[0], end[0]);
+ tracemaxs[0] = max(start[0], end[0]);
+ tracemins[1] = min(start[1], end[1]);
+ tracemaxs[1] = max(start[1], end[1]);
+ tracemins[2] = min(start[2], end[2]);
+ tracemaxs[2] = max(start[2], end[2]);
+
+ // look for embedded bmodels
+ for (n = 0;n < MAX_EDICTS;n++)
+ {
+ if (!cl_entities_active[n])
+ continue;
+ ent = &cl_entities[n].render;
+ if (!BoxesOverlap(ent->mins, ent->maxs, tracemins, tracemaxs))
+ continue;
+ if (!ent->model || !ent->model->TraceBox)
+ continue;
+ // if transparent and not selectable, skip entity
+ if (!(cl_entities[n].state_current.effects & EF_SELECTABLE) && (ent->alpha < 1 || (ent->effects & (EF_ADDITIVE | EF_NODEPTHTEST))))
+ continue;
+ if (ent == ignoreent)
+ continue;
+ Matrix4x4_Transform(&ent->inversematrix, start, starttransformed);
+ Matrix4x4_Transform(&ent->inversematrix, end, endtransformed);
+
+ if (ent->model && ent->model->TraceBox)
+ ent->model->TraceBox(ent->model, ent->frameblend[0].frame, &trace, starttransformed, starttransformed, endtransformed, endtransformed, SUPERCONTENTS_SOLID);
+
+ cl_traceline_startsupercontents |= trace.startsupercontents;
+ if (maxrealfrac > trace.realfraction)
+ {
+ if (hitent)
+ *hitent = n;
+ maxfrac = trace.fraction;
+ maxrealfrac = trace.realfraction;
+ if (normal)
+ {
+ VectorCopy(trace.plane.normal, tempnormal);
+ Matrix4x4_Transform3x3(&ent->matrix, tempnormal, normal);
+ }
+ }
+ }
+ maxfrac = bound(0, maxfrac, 1);
+ maxrealfrac = bound(0, maxrealfrac, 1);
+ //if (maxfrac < 0 || maxfrac > 1) Con_Printf("fraction out of bounds %f %s:%d\n", maxfrac, __FILE__, __LINE__);