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- replaced all single precision floats in p_slopes.cpp with doubles.

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I don't think we want to have precision and reliability issues in such a vital part of the engine...
This commit is contained in:
Christoph Oelckers 2016-02-11 19:13:29 +01:00
parent 646f7a1f90
commit 33cdb4d816
2 changed files with 51 additions and 51 deletions
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94
src/p_slopes.cpp
View file

@ -75,17 +75,17 @@ static void P_SlopeLineToPoint (int lineid, fixed_t x, fixed_t y, fixed_t z, boo
plane = &sec->floorplane;
}
FVector3 p, v1, v2, cross;
TVector3<double> p, v1, v2, cross;
p[0] = FIXED2FLOAT (line->v1->x);
p[1] = FIXED2FLOAT (line->v1->y);
p[2] = FIXED2FLOAT (plane->ZatPoint (line->v1->x, line->v1->y));
v1[0] = FIXED2FLOAT (line->dx);
v1[1] = FIXED2FLOAT (line->dy);
v1[2] = FIXED2FLOAT (plane->ZatPoint (line->v2->x, line->v2->y)) - p[2];
v2[0] = FIXED2FLOAT (x - line->v1->x);
v2[1] = FIXED2FLOAT (y - line->v1->y);
v2[2] = FIXED2FLOAT (z) - p[2];
p[0] = FIXED2DBL (line->v1->x);
p[1] = FIXED2DBL (line->v1->y);
p[2] = FIXED2DBL (plane->ZatPoint (line->v1->x, line->v1->y));
v1[0] = FIXED2DBL (line->dx);
v1[1] = FIXED2DBL (line->dy);
v1[2] = FIXED2DBL (plane->ZatPoint (line->v2->x, line->v2->y)) - p[2];
v2[0] = FIXED2DBL (x - line->v1->x);
v2[1] = FIXED2DBL (y - line->v1->y);
v2[2] = FIXED2DBL (z) - p[2];
cross = v1 ^ v2;
double len = cross.Length();
@ -187,23 +187,23 @@ void P_SetSlope (secplane_t *plane, bool setCeil, int xyangi, int zangi,
}
xyang = (angle_t)Scale (xyangi, ANGLE_90, 90 << ANGLETOFINESHIFT);
FVector3 norm;
TVector3<double> norm;
if (ib_compatflags & BCOMPATF_SETSLOPEOVERFLOW)
{
norm[0] = float(finecosine[zang] * finecosine[xyang]);
norm[1] = float(finecosine[zang] * finesine[xyang]);
norm[0] = double(finecosine[zang] * finecosine[xyang]);
norm[1] = double(finecosine[zang] * finesine[xyang]);
}
else
{
norm[0] = float(finecosine[zang]) * float(finecosine[xyang]);
norm[1] = float(finecosine[zang]) * float(finesine[xyang]);
norm[0] = double(finecosine[zang]) * double(finecosine[xyang]);
norm[1] = double(finecosine[zang]) * double(finesine[xyang]);
}
norm[2] = float(finesine[zang]) * 65536.f;
norm[2] = double(finesine[zang]) * 65536.f;
norm.MakeUnit();
plane->a = (int)(norm[0] * 65536.f);
plane->b = (int)(norm[1] * 65536.f);
plane->c = (int)(norm[2] * 65536.f);
plane->a = FLOAT2FIXED(norm[0]);
plane->b = FLOAT2FIXED(norm[1]);
plane->c = FLOAT2FIXED(norm[2]);
//plane->ic = (int)(65536.f / norm[2]);
plane->ic = DivScale32 (1, plane->c);
plane->d = -TMulScale16 (plane->a, x,
@ -226,17 +226,17 @@ void P_VavoomSlope(sector_t * sec, int id, fixed_t x, fixed_t y, fixed_t z, int
if (l->args[0]==id)
{
FVector3 v1, v2, cross;
TVector3<double> v1, v2, cross;
secplane_t *srcplane = (which == 0) ? &sec->floorplane : &sec->ceilingplane;
fixed_t srcheight = (which == 0) ? sec->GetPlaneTexZ(sector_t::floor) : sec->GetPlaneTexZ(sector_t::ceiling);
v1[0] = FIXED2FLOAT (x - l->v2->x);
v1[1] = FIXED2FLOAT (y - l->v2->y);
v1[2] = FIXED2FLOAT (z - srcheight);
v1[0] = FIXED2DBL (x - l->v2->x);
v1[1] = FIXED2DBL (y - l->v2->y);
v1[2] = FIXED2DBL (z - srcheight);
v2[0] = FIXED2FLOAT (x - l->v1->x);
v2[1] = FIXED2FLOAT (y - l->v1->y);
v2[2] = FIXED2FLOAT (z - srcheight);
v2[0] = FIXED2DBL (x - l->v1->x);
v2[1] = FIXED2DBL (y - l->v1->y);
v2[2] = FIXED2DBL (z - srcheight);
cross = v1 ^ v2;
double len = cross.Length();
@ -334,8 +334,8 @@ static void P_SetSlopesFromVertexHeights(FMapThing *firstmt, FMapThing *lastmt,
sector_t *sec = &sectors[i];
if (sec->linecount != 3) continue; // only works with triangular sectors
FVector3 vt1, vt2, vt3, cross;
FVector3 vec1, vec2;
TVector3<double> vt1, vt2, vt3, cross;
TVector3<double> vec1, vec2;
int vi1, vi2, vi3;
vi1 = int(sec->lines[0]->v1 - vertexes);
@ -343,12 +343,12 @@ static void P_SetSlopesFromVertexHeights(FMapThing *firstmt, FMapThing *lastmt,
vi3 = (sec->lines[1]->v1 == sec->lines[0]->v1 || sec->lines[1]->v1 == sec->lines[0]->v2)?
int(sec->lines[1]->v2 - vertexes) : int(sec->lines[1]->v1 - vertexes);
vt1.X = FIXED2FLOAT(vertexes[vi1].x);
vt1.Y = FIXED2FLOAT(vertexes[vi1].y);
vt2.X = FIXED2FLOAT(vertexes[vi2].x);
vt2.Y = FIXED2FLOAT(vertexes[vi2].y);
vt3.X = FIXED2FLOAT(vertexes[vi3].x);
vt3.Y = FIXED2FLOAT(vertexes[vi3].y);
vt1.X = FIXED2DBL(vertexes[vi1].x);
vt1.Y = FIXED2DBL(vertexes[vi1].y);
vt2.X = FIXED2DBL(vertexes[vi2].x);
vt2.Y = FIXED2DBL(vertexes[vi2].y);
vt3.X = FIXED2DBL(vertexes[vi3].x);
vt3.Y = FIXED2DBL(vertexes[vi3].y);
for(int j=0; j<2; j++)
{
@ -358,10 +358,10 @@ static void P_SetSlopesFromVertexHeights(FMapThing *firstmt, FMapThing *lastmt,
fixed_t z3;
if (h1==NULL && h2==NULL && h3==NULL) continue;
vt1.Z = FIXED2FLOAT(h1? *h1 : j==0? sec->GetPlaneTexZ(sector_t::floor) : sec->GetPlaneTexZ(sector_t::ceiling));
vt2.Z = FIXED2FLOAT(h2? *h2 : j==0? sec->GetPlaneTexZ(sector_t::floor) : sec->GetPlaneTexZ(sector_t::ceiling));
vt1.Z = FIXED2DBL(h1? *h1 : j==0? sec->GetPlaneTexZ(sector_t::floor) : sec->GetPlaneTexZ(sector_t::ceiling));
vt2.Z = FIXED2DBL(h2? *h2 : j==0? sec->GetPlaneTexZ(sector_t::floor) : sec->GetPlaneTexZ(sector_t::ceiling));
z3 = h3? *h3 : j==0? sec->GetPlaneTexZ(sector_t::floor) : sec->GetPlaneTexZ(sector_t::ceiling);
vt3.Z = FIXED2FLOAT(z3);
vt3.Z = FIXED2DBL(z3);
if (P_PointOnLineSidePrecise(vertexes[vi3].x, vertexes[vi3].y, sec->lines[0]) == 0)
{
@ -374,7 +374,7 @@ static void P_SetSlopesFromVertexHeights(FMapThing *firstmt, FMapThing *lastmt,
vec2 = vt2 - vt3;
}
FVector3 cross = vec1 ^ vec2;
TVector3<double> cross = vec1 ^ vec2;
double len = cross.Length();
if (len == 0)
@ -519,7 +519,7 @@ static void P_AlignPlane (sector_t *sec, line_t *line, int which)
refsec = line->frontsector == sec ? line->backsector : line->frontsector;
FVector3 p, v1, v2, cross;
TVector3<double> p, v1, v2, cross;
secplane_t *srcplane;
fixed_t srcheight, destheight;
@ -528,15 +528,15 @@ static void P_AlignPlane (sector_t *sec, line_t *line, int which)
srcheight = (which == 0) ? sec->GetPlaneTexZ(sector_t::floor) : sec->GetPlaneTexZ(sector_t::ceiling);
destheight = (which == 0) ? refsec->GetPlaneTexZ(sector_t::floor) : refsec->GetPlaneTexZ(sector_t::ceiling);
p[0] = FIXED2FLOAT (line->v1->x);
p[1] = FIXED2FLOAT (line->v1->y);
p[2] = FIXED2FLOAT (destheight);
v1[0] = FIXED2FLOAT (line->dx);
v1[1] = FIXED2FLOAT (line->dy);
p[0] = FIXED2DBL (line->v1->x);
p[1] = FIXED2DBL(line->v1->y);
p[2] = FIXED2DBL(destheight);
v1[0] = FIXED2DBL(line->dx);
v1[1] = FIXED2DBL(line->dy);
v1[2] = 0;
v2[0] = FIXED2FLOAT (refvert->x - line->v1->x);
v2[1] = FIXED2FLOAT (refvert->y - line->v1->y);
v2[2] = FIXED2FLOAT (srcheight - destheight);
v2[0] = FIXED2DBL(refvert->x - line->v1->x);
v2[1] = FIXED2DBL(refvert->y - line->v1->y);
v2[2] = FIXED2DBL(srcheight - destheight);
cross = (v1 ^ v2).Unit();

8
src/p_user.cpp
View file

@ -2749,13 +2749,13 @@ void P_PredictionLerpReset()
bool P_LerpCalculate(PredictPos from, PredictPos to, PredictPos &result, float scale)
{
FVector3 vecFrom(FIXED2DBL(from.x), FIXED2DBL(from.y), FIXED2DBL(from.z));
FVector3 vecTo(FIXED2DBL(to.x), FIXED2DBL(to.y), FIXED2DBL(to.z));
FVector3 vecResult;
TVector3<double> vecFrom(FIXED2DBL(from.x), FIXED2DBL(from.y), FIXED2DBL(from.z));
TVector3<double> vecTo(FIXED2DBL(to.x), FIXED2DBL(to.y), FIXED2DBL(to.z));
TVector3<double> vecResult;
vecResult = vecTo - vecFrom;
vecResult *= scale;
vecResult = vecResult + vecFrom;
FVector3 delta = vecResult - vecTo;
TVector3<double> delta = vecResult - vecTo;
result.x = FLOAT2FIXED(vecResult.X);
result.y = FLOAT2FIXED(vecResult.Y);