Xash3D FWGS engine.
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/*
pm_debug.c - player move debugging code
Copyright (C) 2017 Uncle Mike
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
*/
#include "common.h"
#include "mathlib.h"
#include "pm_local.h"
// expand debugging BBOX particle hulls by this many units.
#define BOX_GAP 0.0f
/*
===============
PM_ParticleLine
draw line from particles
================
*/
void PM_ParticleLine( const vec3_t start, const vec3_t end, int pcolor, float life, float zvel )
{
#ifndef XASH_DEDICATED
float len, curdist;
vec3_t diff, pos;
// determine distance
VectorSubtract( end, start, diff );
len = VectorNormalizeLength( diff );
curdist = 0;
while( curdist <= len )
{
VectorMA( start, curdist, diff, pos );
CL_Particle( pos, pcolor, life, 0, zvel );
curdist += 2.0f;
}
#endif // XASH_DEDICATED
}
/*
================
PM_DrawRectangle
================
*/
static void PM_DrawRectangle( const vec3_t tl, const vec3_t bl, const vec3_t tr, const vec3_t br, int pcolor, float life )
{
PM_ParticleLine( tl, bl, pcolor, life, 0 );
PM_ParticleLine( bl, br, pcolor, life, 0 );
PM_ParticleLine( br, tr, pcolor, life, 0 );
PM_ParticleLine( tr, tl, pcolor, life, 0 );
}
/*
================
PM_DrawBBox
================
*/
void PM_DrawBBox( const vec3_t mins, const vec3_t maxs, const vec3_t origin, int pcolor, float life )
{
#ifndef XASH_DEDICATED
vec3_t p[8], tmp;
float gap = BOX_GAP;
int i;
for( i = 0; i < 8; i++ )
{
tmp[0] = (i & 1) ? mins[0] - gap : maxs[0] + gap;
tmp[1] = (i & 2) ? mins[1] - gap : maxs[1] + gap ;
tmp[2] = (i & 4) ? mins[2] - gap : maxs[2] + gap ;
VectorAdd( tmp, origin, tmp );
VectorCopy( tmp, p[i] );
}
for( i = 0; i < 6; i++ )
{
PM_DrawRectangle( p[boxpnt[i][1]], p[boxpnt[i][0]], p[boxpnt[i][2]], p[boxpnt[i][3]], pcolor, life );
}
#endif // XASH_DEDICATED
}