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Make the id trace code more readily usable in the engine.

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This commit is contained in:
Bill Currie 2011-09-26 19:20:02 +09:00
parent ae0dc6f06b
commit 800e8cb3da
1 changed files with 10 additions and 5 deletions
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15
libs/models/test/trace-id.c
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@ -1,4 +1,8 @@
int SV_HullPointContents (hull_t *hull, int num, const vec3_t p)
#include "QF/sys.h"
#include "world.h"
static int
HullPointContents (hull_t *hull, int num, const vec3_t p)
{
float d;
mclipnode_t *node;
@ -7,7 +11,7 @@ int SV_HullPointContents (hull_t *hull, int num, const vec3_t p)
while (num >= 0)
{
if (num < hull->firstclipnode || num > hull->lastclipnode)
Sys_Error ("SV_HullPointContents: bad node number");
Sys_Error ("HullPointContents: bad node number");
node = hull->clipnodes + num;
plane = hull->planes + node->planenum;
@ -30,7 +34,8 @@ int SV_HullPointContents (hull_t *hull, int num, const vec3_t p)
#define DIST_EPSILON (0.03125)
#endif
qboolean SV_RecursiveHullCheck (hull_t *hull, int num, float p1f, float p2f, const vec3_t p1, const vec3_t p2, trace_t *trace)
static qboolean
SV_RecursiveHullCheck (hull_t *hull, int num, float p1f, float p2f, const vec3_t p1, const vec3_t p2, trace_t *trace)
{
mclipnode_t *node;
mplane_t *plane;
@ -102,7 +107,7 @@ qboolean SV_RecursiveHullCheck (hull_t *hull, int num, float p1f, float p2f, con
if (!SV_RecursiveHullCheck (hull, node->children[side], p1f, midf, p1, mid, trace) )
return false;
if (SV_HullPointContents (hull, node->children[side^1], mid)
if (HullPointContents (hull, node->children[side^1], mid)
!= CONTENTS_SOLID)
// go past the node
return SV_RecursiveHullCheck (hull, node->children[side^1], midf, p2f, mid, p2, trace);
@ -124,7 +129,7 @@ qboolean SV_RecursiveHullCheck (hull_t *hull, int num, float p1f, float p2f, con
trace->plane.dist = -plane->dist;
}
#if 0
while (SV_HullPointContents (hull, hull->firstclipnode, mid)
while (HullPointContents (hull, hull->firstclipnode, mid)
== CONTENTS_SOLID)
{ // shouldn't really happen, but does occasionally
frac -= 0.1;