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- fixed parentheses in ADynamicLight::DistToSeg.

Browse source 
- floatifed OpenGL sector grouping.
- optimized light node collection. It should not create light nodes for out of range segs.
This commit is contained in:
Christoph Oelckers 2016-04-08 12:38:09 +02:00
parent 3e94832bfd
commit 25d7eaed0a
3 changed files with 29 additions and 26 deletions
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3
src/gl/data/gl_portaldata.cpp
View file

@ -102,7 +102,8 @@ GLSectorStackPortal *FPortal::GetGLPortal()
//==========================================================================
//
//
// this is left as fixed_t because the nodes also are, it makes no sense
// to convert this without converting the nodes as well.
//
//==========================================================================

8
src/gl/data/gl_setup.cpp
View file

@ -102,11 +102,11 @@ static void DoSetMapSection(subsector_t *sub, int num)
struct cvertex_t
{
fixed_t x, y;
double X, Y;
operator int () const { return ((x>>16)&0xffff) | y; }
bool operator!= (const cvertex_t &other) const { return x != other.x || y != other.y; }
cvertex_t& operator =(const vertex_t *v) { x = v->fixX(); y = v->fixY(); return *this; }
operator int() const { return xs_FloorToInt(X) + 65536 * xs_FloorToInt(Y); }
bool operator!= (const cvertex_t &other) const { return fabs(X - other.X) >= EQUAL_EPSILON || fabs(Y - other.Y) >= EQUAL_EPSILON; }
cvertex_t& operator =(const vertex_t *v) { X = v->fX(); Y = v->fY(); return *this; }
};
typedef TMap<cvertex_t, int> FSectionVertexMap;

44
src/gl/dynlights/a_dynlight.cpp
View file

@ -4,7 +4,7 @@
**
**---------------------------------------------------------------------------
** Copyright 2003 Timothy Stump
** Copyright 2005 Christoph Oelckers
** Copyright 2005-2016 Christoph Oelckers
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
@ -515,7 +515,7 @@ double ADynamicLight::DistToSeg(const DVector3 &pos, seg_t *seg)
double seg_dy = seg->v2->fY() - seg->v1->fY();
double seg_length_sq = seg_dx * seg_dx + seg_dy * seg_dy;
u = ((pos.X - seg->v1->fX()) * seg_dx + pos.Y - seg->v1->fY()) * seg_dy / seg_length_sq;
u = (((pos.X - seg->v1->fX()) * seg_dx) + (pos.Y - seg->v1->fY()) * seg_dy) / seg_length_sq;
if (u < 0.) u = 0.; // clamp the test point to the line segment
else if (u > 1.) u = 1.;
@ -553,21 +553,23 @@ void ADynamicLight::CollectWithinRadius(const DVector3 &pos, subsector_t *subSec
{
seg_t * seg = subSec->firstline + i;
if (seg->sidedef && seg->linedef && seg->linedef->validcount!=::validcount)
// check distance from x/y to seg and if within radius add this seg and, if present the opposing subsector (lather/rinse/repeat)
// If out of range we do not need to bother with this seg.
if (DistToSeg(pos, seg) <= radius)
{
// light is in front of the seg
if ((pos.Y - seg->v1->fixY()) * (seg->v2->fX() - seg->v1->fixX()) + (seg->v1->fX() - pos.X * (seg->v2->fY() - seg->v1->fY())) <= 0)
if (seg->sidedef && seg->linedef && seg->linedef->validcount != ::validcount)
{
seg->linedef->validcount = validcount;
touching_sides = AddLightNode(&seg->sidedef->lighthead, seg->sidedef, this, touching_sides);
// light is in front of the seg
if ((pos.Y - seg->v1->fY()) * (seg->v2->fX() - seg->v1->fX()) + (seg->v1->fX() - pos.X * (seg->v2->fY() - seg->v1->fY())) <= 0)
{
seg->linedef->validcount = validcount;
touching_sides = AddLightNode(&seg->sidedef->lighthead, seg->sidedef, this, touching_sides);
}
}
}
if (seg->linedef)
{
FLinePortal *port = seg->linedef->getPortal();
if (port && port->mType == PORTT_LINKED)
if (seg->linedef)
{
if (DistToSeg(pos, seg) <= radius)
FLinePortal *port = seg->linedef->getPortal();
if (port && port->mType == PORTT_LINKED)
{
line_t *other = port->mDestination;
if (other->validcount != ::validcount)
@ -577,16 +579,12 @@ void ADynamicLight::CollectWithinRadius(const DVector3 &pos, subsector_t *subSec
}
}
}
}
seg_t *partner = seg->PartnerSeg;
if (partner)
{
subsector_t *sub = partner->Subsector;
if (sub != NULL && sub->validcount!=::validcount)
seg_t *partner = seg->PartnerSeg;
if (partner)
{
// check distance from x/y to seg and if within radius add opposing subsector (lather/rinse/repeat)
if (DistToSeg(pos, seg) <= radius)
subsector_t *sub = partner->Subsector;
if (sub != NULL && sub->validcount != ::validcount)
{
CollectWithinRadius(pos, sub, radius);
}
@ -625,6 +623,10 @@ void ADynamicLight::CollectWithinRadius(const DVector3 &pos, subsector_t *subSec
void ADynamicLight::LinkLight()
{
if (X() == 1088 && Y() == 2832)
{
int a = 0;
}
// mark the old light nodes
FLightNode * node;