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/*
Copyright (C) 1996-1997 Id Software, Inc.
Copyright (C) 1999,2000 contributors of the QuakeForge project
Please see the file "AUTHORS" for a list of contributors
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 2
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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "quakedef.h"
#ifdef GLTEST
typedef struct
{
plane_t *plane;
vec3_t origin;
vec3_t normal;
vec3_t up;
vec3_t right;
vec3_t reflect;
float length;
} puff_t;
#define MAX_PUFFS 64
puff_t puffs[MAX_PUFFS];
void Test_Init (void)
{
}
plane_t junk;
plane_t *HitPlane (vec3_t start, vec3_t end)
{
trace_t trace;
// fill in a default trace
memset (&trace, 0, sizeof(trace_t));
trace.fraction = 1;
trace.allsolid = true;
VectorCopy (end, trace.endpos);
SV_RecursiveHullCheck (cl.worldmodel->hulls, 0, 0, 1, start, end, &trace);
junk = trace.plane;
return &junk;
}
void Test_Spawn (vec3_t origin)
{
int i;
puff_t *p;
vec3_t temp;
vec3_t normal;
vec3_t incoming;
plane_t *plane;
float d;
for (i=0,p=puffs ; i<MAX_PUFFS ; i++,p++)
{
if (p->length <= 0)
break;
}
if (i == MAX_PUFFS)
return;
VectorSubtract (r_refdef.vieworg, origin, incoming);
VectorSubtract (origin, incoming, temp);
plane = HitPlane (r_refdef.vieworg, temp);
VectorNormalize (incoming);
d = DotProduct (incoming, plane->normal);
VectorSubtract (vec3_origin, incoming, p->reflect);
VectorMA (p->reflect, d*2, plane->normal, p->reflect);
VectorCopy (origin, p->origin);
VectorCopy (plane->normal, p->normal);
CrossProduct (incoming, p->normal, p->up);
CrossProduct (p->up, p->normal, p->right);
p->length = 8;
}
void DrawPuff (puff_t *p)
{
vec3_t pts[2][3];
int i, j;
float s, d;
for (i=0 ; i<2 ; i++)
{
if (i == 1)
{
s = 6;
d = p->length;
}
else
{
s = 2;
d = 0;
}
for (j=0 ; j<3 ; j++)
{
pts[i][0][j] = p->origin[j] + p->up[j]*s + p->reflect[j]*d;
pts[i][1][j] = p->origin[j] + p->right[j]*s + p->reflect[j]*d;
pts[i][2][j] = p->origin[j] + -p->right[j]*s + p->reflect[j]*d;
}
}
glColor3f (1, 0, 0);
#if 0
glBegin (GL_LINES);
glVertex3fv (p->origin);
glVertex3f (p->origin[0] + p->length*p->reflect[0],
p->origin[1] + p->length*p->reflect[1],
p->origin[2] + p->length*p->reflect[2]);
glVertex3fv (pts[0][0]);
glVertex3fv (pts[1][0]);
glVertex3fv (pts[0][1]);
glVertex3fv (pts[1][1]);
glVertex3fv (pts[0][2]);
glVertex3fv (pts[1][2]);
glEnd ();
#endif
glBegin (GL_QUADS);
for (i=0 ; i<3 ; i++)
{
j = (i+1)%3;
glVertex3fv (pts[0][j]);
glVertex3fv (pts[1][j]);
glVertex3fv (pts[1][i]);
glVertex3fv (pts[0][i]);
}
glEnd ();
glBegin (GL_TRIANGLES);
glVertex3fv (pts[1][0]);
glVertex3fv (pts[1][1]);
glVertex3fv (pts[1][2]);
glEnd ();
p->length -= host_frametime*2;
}
void Test_Draw (void)
{
int i;
puff_t *p;
for (i=0, p=puffs ; i<MAX_PUFFS ; i++,p++)
{
if (p->length > 0)
DrawPuff (p);
}
}
#endif
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