static void LM_AddToSceneOrder (bool parents)
{
for (int i = 0; i < cl.numLMs; i++) {
localModel_t& lm = cl.LMs[i];
if (!lm.inuse)
continue;
/* check for visibility */
if (!((1 << cl_worldlevel->integer) & lm.levelflags))
continue;
/* if we want to render the parents and this is a child (has a parent assigned)
* then skip it */
if (parents && lm.parent)
continue;
/* if we want to render the children and this is a parent (no further parent
* assigned), then skip it. */
if (!parents && lm.parent == nullptr)
continue;
/* set entity values */
entity_t ent(RF_NONE);
assert(lm.model);
ent.model = lm.model;
ent.skinnum = lm.skin;
ent.lighting = &lm.lighting;
ent.setScale(lm.scale);
if (lm.parent) {
/** @todo what if the tagent is not rendered due to different level flags? */
ent.tagent = R_GetEntity(lm.parent->renderEntityNum);
if (ent.tagent == nullptr)
Com_Error(ERR_DROP, "Invalid parent entity num for local model (%s/%s): %i",
lm.model->name, lm.id, lm.parent->renderEntityNum);
ent.tagname = lm.tagname;
} else {
R_EntitySetOrigin(&ent, lm.origin);
VectorCopy(lm.origin, ent.oldorigin);
VectorCopy(lm.angles, ent.angles);
if (lm.animname[0] != '\0') {
ent.as = lm.as;
/* do animation */
R_AnimRun(&lm.as, ent.model, cls.frametime * 1000);
} else {
ent.as.frame = lm.frame;
}
}
/* renderflags like RF_PULSE */
ent.flags = lm.renderFlags;
/* add it to the scene */
lm.renderEntityNum = R_AddEntity(&ent);
}
}
/**
* @brief Moves the given mins/maxs volume through the world from start to end.
* @param[in] start Start vector to start the trace from
* @param[in] end End vector to stop the trace at
* @param[in] size Bounding box size used for tracing
* @param[in] contentmask Searched content the trace should watch for
*/
void R_Trace (const vec3_t start, const vec3_t end, float size, int contentmask)
{
vec3_t mins, maxs;
float frac;
trace_t tr;
int i;
r_locals.tracenum++;
if (r_locals.tracenum > 0xffff) /* avoid overflows */
r_locals.tracenum = 0;
VectorSet(mins, -size, -size, -size);
VectorSet(maxs, size, size, size);
refdef.trace = CM_CompleteBoxTrace(refdef.mapTiles, start, end, mins, maxs, TRACING_ALL_VISIBLE_LEVELS, contentmask, 0);
refdef.traceEntity = NULL;
frac = refdef.trace.fraction;
/* check bsp models */
for (i = 0; i < refdef.numEntities; i++) {
entity_t *ent = R_GetEntity(i);
const model_t *m = ent->model;
if (!m || m->type != mod_bsp_submodel)
continue;
tr = CM_TransformedBoxTrace(&(refdef.mapTiles->mapTiles[m->bsp.maptile]), start, end, mins, maxs, m->bsp.firstnode,
contentmask, 0, ent->origin, ent->angles);
if (tr.fraction < frac) {
refdef.trace = tr;
refdef.traceEntity = ent;
frac = tr.fraction;
}
}
assert(refdef.trace.mapTile >= 0);
assert(refdef.trace.mapTile < r_numMapTiles);
}
