mesh_poly.cpp File Reference

#include "mesh.h"
#include "aux_texture.h"
#include <values.h>
#include <float.h>
#include <assert.h>

Go to the source code of this file.

Macros
#define	PBEHIND   (-1)
#define	PFRONT   (1)
#define	PUNK   (0)
#define	WHICHSID(v)   ( ( (v.x*a+v.y*b+v.z*c+d) > 0 )*2-1 )

Functions
static int	whichside (GFXVertex *t, int numvertex, float a, float b, float c, float d)
void	updateMax (Vector &mn, Vector &mx, const GFXVertex &ver)

Macro Definition Documentation

#define PBEHIND   (-1)

Definition at line 8 of file mesh_poly.cpp.

#define PFRONT   (1)

Definition at line 9 of file mesh_poly.cpp.

Referenced by Mesh::Fork().

#define PUNK   (0)

Definition at line 10 of file mesh_poly.cpp.

Referenced by whichside().

#define WHICHSID

(

v)

( ( (v.x*a+v.y*b+v.z*c+d) > 0 )*2-1 )

Definition at line 12 of file mesh_poly.cpp.

Referenced by whichside().

Function Documentation

void updateMax	(	Vector &	mn,
		Vector &	mx,
		const GFXVertex &	ver
	)

Definition at line 1116 of file mesh_xml.cpp.

References max(), min(), GFXVertex::x, GFXVertex::y, and GFXVertex::z.

Referenced by Mesh::Fork(), and Mesh::PostProcessLoading().

{
    mn.i = min( ver.x, mn.i );
    mx.i = max( ver.x, mx.i );
    mn.j = min( ver.y, mn.j );
    mx.j = max( ver.y, mx.j );
    mn.k = min( ver.z, mn.k );
    mx.k = max( ver.z, mx.k );
}

static int whichside ( GFXVertex *  t, int  numvertex, float  a, float  b, float  c, float  d  )

static

Definition at line 14 of file mesh_poly.cpp.

References i, PUNK, and WHICHSID.

Referenced by Mesh::Fork().

{
    int count = PUNK;
    for (int i = 0; i < numvertex; i++)
        count += WHICHSID( t[i] );
    if (count == PUNK)
        count = (rand()%2)*2-1;
    return ( (count > 0)*2 )-1;
}