void ESceneLightTools::SelectLightsForObject(CCustomObject* obj)
{
for (u32 i=0; i<frame_light.size(); i++){
CLight* l = frame_light[i];
// if (obj->IsDynamic()&&!l->m_Flags.is(CLight::flAffectDynamic)) continue;
// if (!obj->IsDynamic()&&!l->m_Flags.is(CLight::flAffectStatic)) continue;
Fbox bb; obj->GetBox(bb);
Fvector C; float R; bb.getsphere(C,R);
float d = C.distance_to(l->PPosition) - l->m_Range - R;
Device.LightEnable(i,(d<0));
}
}
void ComputeSphere(Fsphere &B, FvectorVec& V)
{
if (V.size()<3) { B.P.set(0,0,0); B.R=0.f; return; }
// 1: calc first variation
Fsphere S1;
Fsphere_compute (S1,V.begin(),V.size());
BOOL B1 = SphereValid(V,S1);
// 2: calc ordinary algorithm (2nd)
Fsphere S2;
Fbox bbox;
bbox.invalidate ();
for (FvectorIt I=V.begin(); I!=V.end(); I++) bbox.modify(*I);
bbox.grow (EPS_L);
bbox.getsphere (S2.P,S2.R);
S2.R = -1;
for (I=V.begin(); I!=V.end(); I++) {
float d = S2.P.distance_to_sqr(*I);
if (d>S2.R) S2.R=d;
}
S2.R = _sqrt (_abs(S2.R));
BOOL B2 = SphereValid(V,S2);
// 3: calc magic-fm
Mgc::Sphere _S3 = Mgc::MinSphere(V.size(), (const Mgc::Vector3*) V.begin());
Fsphere S3;
S3.P.set (_S3.Center().x,_S3.Center().y,_S3.Center().z);
S3.R = _S3.Radius();
BOOL B3 = SphereValid(V,S3);
// select best one
if (B1 && (S1.R<S2.R)){ // miniball or FM
if (B3 && (S3.R<S1.R)){ // FM wins
B.set (S3);
}else{ // MiniBall wins
B.set (S1);
}
}else{ // base or FM
if (B3 && (S3.R<S2.R)){ // FM wins
B.set (S3);
}else{ // Base wins :)
R_ASSERT(B2);
B.set (S2);
}
}
}
void CPortal::Setup (Fvector* V, int vcnt, CSector* face, CSector* back)
{
// calc sphere
Fbox BB;
BB.invalidate ();
for (int v=0; v<vcnt; v++)
BB.modify (V[v]);
BB.getsphere (S.P,S.R);
//
poly.assign (V,vcnt);
pFace = face;
pBack = back;
marker = 0xffffffff;
Fvector N,T;
N.set (0,0,0);
FPU::m64r();
u32 _cnt = 0;
for (int i=2; i<vcnt; i++) {
T.mknormal_non_normalized (poly[0],poly[i-1],poly[i]);
float m = T.magnitude ();
if (m>EPS_S) {
N.add (T.div(m)) ;
_cnt ++ ;
}
}
R_ASSERT2 (_cnt, "Invalid portal detected");
N.div (float(_cnt));
P.build (poly[0],N);
FPU::m24r ();
/*
if (_abs(1-P.n.magnitude())<EPS)
xrDebug::Fatal (DEBUG_INFO,"Degenerated portal found at {%3.2f,%3.2f,%3.2f}.",VPUSH(poly[0]));
*/
}
void CDeflector::OA_Export()
{
if (UVpolys.empty()) return;
// Correct normal
// (semi-proportional to pixel density)
FPU::m64r ();
Fvector tN;
tN.set (0,0,0);
float density = 0;
float fcount = 0;
for (UVIt it = UVpolys.begin(); it!=UVpolys.end(); it++)
{
Face *F = it->owner;
Fvector SN;
SN.set (F->N);
SN.mul (1+EPS*F->CalcArea());
tN.add (SN);
density += F->Shader().lm_density;
fcount += 1.f;
}
if (tN.magnitude()>EPS_S && _valid(tN)) normal.set(tN).normalize();
else clMsg("* ERROR: Internal precision error in CDeflector::OA_Export");
density /= fcount;
// Orbitrary Oriented Ortho - Projection
Fmatrix mView;
Fvector at,from,up,right,y;
at.set (0,0,0);
from.add (at,normal);
y.set (0,1,0);
if (_abs(normal.y)>.99f) y.set(1,0,0);
right.crossproduct(y,normal); right.normalize_safe();
up.crossproduct(normal,right); up.normalize_safe();
mView.build_camera(from,at,up);
Fbox bb; bb.invalidate();
for (UVIt it = UVpolys.begin(); it!=UVpolys.end(); it++)
{
UVtri *T = &*it;
Face *F = T->owner;
Fvector P; // projected
for (int i=0; i<3; i++) {
mView.transform_tiny (P,F->v[i]->P);
T->uv[i].set (P.x,P.y);
bb.modify (F->v[i]->P);
}
}
bb.getsphere(Sphere.P,Sphere.R);
// UV rect
Fvector2 min,max,size;
GetRect (min,max);
size.sub (max,min);
// Surface
u32 dwWidth = iCeil(size.x*g_params.m_lm_pixels_per_meter*density+.5f); clamp(dwWidth, 1u,512u-2*BORDER);
u32 dwHeight = iCeil(size.y*g_params.m_lm_pixels_per_meter*density+.5f); clamp(dwHeight,1u,512u-2*BORDER);
layer.create (dwWidth,dwHeight);
}
void CWallmarksEngine::AddWallmark_internal (CDB::TRI* pTri, const Fvector* pVerts, const Fvector &contact_point, ref_shader hShader, float sz)
{
// query for polygons in bounding box
// calculate adjacency
{
Fbox bb_query;
Fvector bbc,bbd;
bb_query.set (contact_point,contact_point);
bb_query.grow (sz*2.5f);
bb_query.get_CD (bbc,bbd);
xrc.box_options (CDB::OPT_FULL_TEST);
xrc.box_query (g_pGameLevel->ObjectSpace.GetStaticModel(),bbc,bbd);
u32 triCount = xrc.r_count ();
if (0==triCount) return;
CDB::TRI* tris = g_pGameLevel->ObjectSpace.GetStaticTris();
sml_collector.clear ();
sml_collector.add_face_packed_D (pVerts[pTri->verts[0]],pVerts[pTri->verts[1]],pVerts[pTri->verts[2]],0);
for (u32 t=0; t<triCount; t++) {
CDB::TRI* T = tris+xrc.r_begin()[t].id;
if (T==pTri) continue;
sml_collector.add_face_packed_D (pVerts[T->verts[0]],pVerts[T->verts[1]],pVerts[T->verts[2]],0);
}
sml_collector.calc_adjacency (sml_adjacency);
}
// calc face normal
Fvector N;
N.mknormal (pVerts[pTri->verts[0]],pVerts[pTri->verts[1]],pVerts[pTri->verts[2]]);
sml_normal.set (N);
// build 3D ortho-frustum
Fmatrix mView,mRot;
BuildMatrix (mView,1/sz,contact_point);
mRot.rotateZ (::Random.randF(deg2rad(-20.f),deg2rad(20.f)));
mView.mulA_43 (mRot);
sml_clipper.CreateFromMatrix (mView,FRUSTUM_P_LRTB);
// create wallmark
static_wallmark* W = static_wm_allocate();
RecurseTri (0,mView,*W);
// calc sphere
if (W->verts.size()<3) { static_wm_destroy(W); return; }
else {
Fbox bb; bb.invalidate();
FVF::LIT* I=&*W->verts.begin ();
FVF::LIT* E=&*W->verts.end ();
for (; I!=E; I++) bb.modify (I->p);
bb.getsphere (W->bounds.P,W->bounds.R);
}
if (W->bounds.R < 1.f)
{
// search if similar wallmark exists
wm_slot* slot = FindSlot (hShader);
if (slot){
StaticWMVecIt it = slot->static_items.begin ();
StaticWMVecIt end = slot->static_items.end ();
for (; it!=end; it++) {
static_wallmark* wm = *it;
if (wm->bounds.P.similar(W->bounds.P,0.02f)){ // replace
static_wm_destroy (wm);
*it = W;
return;
}
}
} else {
slot = AppendSlot(hShader);
}
// no similar - register _new_
slot->static_items.push_back(W);
}
}