//-----------------------------------------------------------------------------
//
// R_FrustumAngle
//
//-----------------------------------------------------------------------------
angle_t FGLRenderer::FrustumAngle()
{
float tilt= fabs(mAngles.Pitch.Degrees);
// If the pitch is larger than this you can look all around at a FOV of 90°
if (tilt>46.0f) return 0xffffffff;
// ok, this is a gross hack that barely works...
// but at least it doesn't overestimate too much...
double floatangle=2.0+(45.0+((tilt/1.9)))*mCurrentFoV*48.0/AspectMultiplier(WidescreenRatio)/90.0;
angle_t a1 = DAngle(floatangle).BAMs();
if (a1>=ANGLE_180) return 0xffffffff;
return a1;
}
void PolyCull::MarkViewFrustum()
{
// Clips things outside the viewing frustum.
auto &viewpoint = PolyRenderer::Instance()->Viewpoint;
auto &viewwindow = PolyRenderer::Instance()->Viewwindow;
double tilt = fabs(viewpoint.Angles.Pitch.Degrees);
if (tilt > 46.0) // If the pitch is larger than this you can look all around
return;
double floatangle = 2.0 + (45.0 + ((tilt / 1.9)))*viewpoint.FieldOfView.Degrees*48.0 / AspectMultiplier(viewwindow.WidescreenRatio) / 90.0;
angle_t a1 = DAngle(floatangle).BAMs();
if (a1 < ANGLE_180)
{
MarkSegmentCulled(AngleToPseudo(viewpoint.Angles.Yaw.BAMs() + a1), AngleToPseudo(viewpoint.Angles.Yaw.BAMs() - a1));
}
}
DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_DropWeaponPieces)
{
PARAM_SELF_PROLOGUE(AActor);
PARAM_CLASS(p1, AActor);
PARAM_CLASS(p2, AActor);
PARAM_CLASS(p3, AActor);
for (int i = 0, j = 0; i < 3; ++i)
{
PClassActor *cls = j == 0 ? p1 : j == 1 ? p2 : p3;
if (cls)
{
AActor *piece = Spawn (cls, self->Pos(), ALLOW_REPLACE);
if (piece != NULL)
{
piece->Vel = self->Vel + DAngle(i*120.).ToVector(1);
piece->flags |= MF_DROPPED;
j = (j == 0) ? (pr_quietusdrop() & 1) + 1 : 3-j;
}
}
}
return 0;
}
DAngle UDMFParserBase::CheckAngle(const char *key)
{
return DAngle(CheckFloat(key)).Normalized360();
}
DEFINE_ACTION_FUNCTION(DObject, BAM)
{
PARAM_PROLOGUE;
PARAM_FLOAT(ang);
ACTION_RETURN_INT(DAngle(ang).BAMs());
}
static void LoadSectors (sectortype *bsec, int count)
{
FDynamicColormap *map = GetSpecialLights (PalEntry (255,255,255), level.fadeto, 0);
sector_t *sec;
char tnam[9];
level.sectors.Alloc(count);
sec = &level.sectors[0];
memset (sec, 0, sizeof(sector_t)*count);
sec->e = new extsector_t[count];
for (int i = 0; i < count; ++i, ++bsec, ++sec)
{
bsec->wallptr = WORD(bsec->wallptr);
bsec->wallnum = WORD(bsec->wallnum);
bsec->ceilingstat = WORD(bsec->ceilingstat);
bsec->floorstat = WORD(bsec->floorstat);
sec->e = &sec->e[i];
double floorheight = -LittleLong(bsec->floorZ) / 256.;
sec->SetPlaneTexZ(sector_t::floor, floorheight);
sec->floorplane.SetAtHeight(floorheight, sector_t::floor);
mysnprintf (tnam, countof(tnam), "BTIL%04d", LittleShort(bsec->floorpicnum));
sec->SetTexture(sector_t::floor, TexMan.GetTexture (tnam, FTexture::TEX_Build));
sec->SetXScale(sector_t::floor, (bsec->floorstat & 8) ? 2. : 1.);
sec->SetYScale(sector_t::floor, (bsec->floorstat & 8) ? 2. : 1.);
sec->SetXOffset(sector_t::floor, bsec->floorxpanning + 32.);
sec->SetYOffset(sector_t::floor, bsec->floorypanning + 0.);
sec->SetPlaneLight(sector_t::floor, SHADE2LIGHT (bsec->floorshade));
sec->ChangeFlags(sector_t::floor, 0, PLANEF_ABSLIGHTING);
double ceilingheight = -LittleLong(bsec->ceilingZ) / 256.;
sec->SetPlaneTexZ(sector_t::ceiling, ceilingheight);
sec->ceilingplane.SetAtHeight(ceilingheight, sector_t::ceiling);
mysnprintf (tnam, countof(tnam), "BTIL%04d", LittleShort(bsec->ceilingpicnum));
sec->SetTexture(sector_t::ceiling, TexMan.GetTexture (tnam, FTexture::TEX_Build));
if (bsec->ceilingstat & 1)
{
sky1texture = sky2texture = sec->GetTexture(sector_t::ceiling);
sec->SetTexture(sector_t::ceiling, skyflatnum);
}
sec->SetXScale(sector_t::ceiling, (bsec->ceilingstat & 8) ? 2. : 1.);
sec->SetYScale(sector_t::ceiling, (bsec->ceilingstat & 8) ? 2. : 1.);
sec->SetXOffset(sector_t::ceiling, bsec->ceilingxpanning + 32.);
sec->SetYOffset(sector_t::ceiling, bsec->ceilingypanning + 0.);
sec->SetPlaneLight(sector_t::ceiling, SHADE2LIGHT (bsec->ceilingshade));
sec->ChangeFlags(sector_t::ceiling, 0, PLANEF_ABSLIGHTING);
sec->lightlevel = (sec->GetPlaneLight(sector_t::floor) + sec->GetPlaneLight(sector_t::ceiling)) / 2;
sec->seqType = -1;
sec->SeqName = NAME_None;
sec->nextsec = -1;
sec->prevsec = -1;
sec->gravity = 1.f;
sec->friction = ORIG_FRICTION;
sec->movefactor = ORIG_FRICTION_FACTOR;
sec->ColorMap = map;
sec->ZoneNumber = 0xFFFF;
sec->terrainnum[sector_t::ceiling] = sec->terrainnum[sector_t::floor] = -1;
if (bsec->floorstat & 4)
{
sec->SetAngle(sector_t::floor, DAngle(90.));
sec->SetXScale(sector_t::floor, -sec->GetXScale(sector_t::floor));
}
if (bsec->floorstat & 16)
{
sec->SetXScale(sector_t::floor, -sec->GetXScale(sector_t::floor));
}
if (bsec->floorstat & 32)
{
sec->SetYScale(sector_t::floor, -sec->GetYScale(sector_t::floor));
}
if (bsec->ceilingstat & 4)
{
sec->SetAngle(sector_t::ceiling, DAngle(90.));
sec->SetYScale(sector_t::ceiling, -sec->GetYScale(sector_t::ceiling));
}
if (bsec->ceilingstat & 16)
{
sec->SetXScale(sector_t::ceiling, -sec->GetXScale(sector_t::ceiling));
}
if (bsec->ceilingstat & 32)
{
sec->SetYScale(sector_t::ceiling, -sec->GetYScale(sector_t::ceiling));
}
}
}
