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world.c: use DoublePrecisionDotProduct to fix items falling out of the world

Browse source 
on oms3.bsp on SSE builds.

Thanks to ParuBaru for reporting the issue.

git-svn-id: svn+ssh://svn.code.sf.net/p/quakespasm/code/trunk@1289 af15c1b1-3010-417e-b628-4374ebc0bcbd
This commit is contained in:
ewasylishen 2016-02-01 22:41:15 +00:00
parent d5297fb7aa
commit 88737f372d
3 changed files with 4 additions and 5 deletions
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2
quakespasm/Quake/gl_rlight.c
View file

@ -267,8 +267,6 @@ mplane_t *lightplane;
vec3_t lightspot;
vec3_t lightcolor; //johnfitz -- lit support via lordhavoc
#define DoublePrecisionDotProduct(x,y) ((double)x[0]*y[0]+(double)x[1]*y[1]+(double)x[2]*y[2])
/*
=============
RecursiveLightPoint -- johnfitz -- replaced entire function for lit support via lordhavoc

1
quakespasm/Quake/mathlib.h
View file

@ -52,6 +52,7 @@ static inline int IS_NAN (float x) {
#define Q_rint(x) ((x) > 0 ? (int)((x) + 0.5) : (int)((x) - 0.5)) //johnfitz -- from joequake
#define DotProduct(x,y) (x[0]*y[0]+x[1]*y[1]+x[2]*y[2])
#define DoublePrecisionDotProduct(x,y) ((double)x[0]*y[0]+(double)x[1]*y[1]+(double)x[2]*y[2])
#define VectorSubtract(a,b,c) {c[0]=a[0]-b[0];c[1]=a[1]-b[1];c[2]=a[2]-b[2];}
#define VectorAdd(a,b,c) {c[0]=a[0]+b[0];c[1]=a[1]+b[1];c[2]=a[2]+b[2];}
#define VectorCopy(a,b) {b[0]=a[0];b[1]=a[1];b[2]=a[2];}

6
quakespasm/Quake/world.c
View file

@ -495,7 +495,7 @@ int SV_HullPointContents (hull_t *hull, int num, vec3_t p)
if (plane->type < 3)
d = p[plane->type] - plane->dist;
else
d = DotProduct (plane->normal, p) - plane->dist;
d = DoublePrecisionDotProduct (plane->normal, p) - plane->dist;
if (d < 0)
num = node->children[1];
else
@ -606,8 +606,8 @@ qboolean SV_RecursiveHullCheck (hull_t *hull, int num, float p1f, float p2f, vec
}
else
{
t1 = DotProduct (plane->normal, p1) - plane->dist;
t2 = DotProduct (plane->normal, p2) - plane->dist;
t1 = DoublePrecisionDotProduct (plane->normal, p1) - plane->dist;
t2 = DoublePrecisionDotProduct (plane->normal, p2) - plane->dist;
}
#if 1