mirror of
https://github.com/KolibriOS/kolibrios.git
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183 lines
3.3 KiB
C
183 lines
3.3 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "quakedef.h"
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#ifdef GLTEST
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typedef struct
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{
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plane_t *plane;
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vec3_t origin;
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vec3_t normal;
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vec3_t up;
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vec3_t right;
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vec3_t reflect;
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float length;
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} puff_t;
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#define MAX_PUFFS 64
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puff_t puffs[MAX_PUFFS];
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void Test_Init (void)
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{
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}
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plane_t junk;
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plane_t *HitPlane (vec3_t start, vec3_t end)
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{
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trace_t trace;
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// fill in a default trace
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memset (&trace, 0, sizeof(trace_t));
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trace.fraction = 1;
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trace.allsolid = true;
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VectorCopy (end, trace.endpos);
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SV_RecursiveHullCheck (cl.worldmodel->hulls, 0, 0, 1, start, end, &trace);
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junk = trace.plane;
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return &junk;
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}
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void Test_Spawn (vec3_t origin)
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{
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int i;
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puff_t *p;
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vec3_t temp;
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vec3_t normal;
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vec3_t incoming;
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plane_t *plane;
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float d;
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for (i=0,p=puffs ; i<MAX_PUFFS ; i++,p++)
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{
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if (p->length <= 0)
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break;
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}
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if (i == MAX_PUFFS)
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return;
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VectorSubtract (r_refdef.vieworg, origin, incoming);
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VectorSubtract (origin, incoming, temp);
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plane = HitPlane (r_refdef.vieworg, temp);
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VectorNormalize (incoming);
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d = DotProduct (incoming, plane->normal);
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VectorSubtract (vec3_origin, incoming, p->reflect);
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VectorMA (p->reflect, d*2, plane->normal, p->reflect);
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VectorCopy (origin, p->origin);
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VectorCopy (plane->normal, p->normal);
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CrossProduct (incoming, p->normal, p->up);
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CrossProduct (p->up, p->normal, p->right);
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p->length = 8;
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}
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void DrawPuff (puff_t *p)
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{
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vec3_t pts[2][3];
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int i, j;
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float s, d;
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for (i=0 ; i<2 ; i++)
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{
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if (i == 1)
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{
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s = 6;
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d = p->length;
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}
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else
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{
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s = 2;
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d = 0;
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}
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for (j=0 ; j<3 ; j++)
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{
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pts[i][0][j] = p->origin[j] + p->up[j]*s + p->reflect[j]*d;
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pts[i][1][j] = p->origin[j] + p->right[j]*s + p->reflect[j]*d;
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pts[i][2][j] = p->origin[j] + -p->right[j]*s + p->reflect[j]*d;
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}
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}
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glColor3f (1, 0, 0);
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#if 0
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glBegin (GL_LINES);
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glVertex3fv (p->origin);
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glVertex3f (p->origin[0] + p->length*p->reflect[0],
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p->origin[1] + p->length*p->reflect[1],
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p->origin[2] + p->length*p->reflect[2]);
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glVertex3fv (pts[0][0]);
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glVertex3fv (pts[1][0]);
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glVertex3fv (pts[0][1]);
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glVertex3fv (pts[1][1]);
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glVertex3fv (pts[0][2]);
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glVertex3fv (pts[1][2]);
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glEnd ();
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#endif
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glBegin (GL_QUADS);
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for (i=0 ; i<3 ; i++)
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{
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j = (i+1)%3;
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glVertex3fv (pts[0][j]);
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glVertex3fv (pts[1][j]);
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glVertex3fv (pts[1][i]);
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glVertex3fv (pts[0][i]);
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}
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glEnd ();
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glBegin (GL_TRIANGLES);
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glVertex3fv (pts[1][0]);
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glVertex3fv (pts[1][1]);
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glVertex3fv (pts[1][2]);
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glEnd ();
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p->length -= host_frametime*2;
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}
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void Test_Draw (void)
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{
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int i;
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puff_t *p;
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for (i=0, p=puffs ; i<MAX_PUFFS ; i++,p++)
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{
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if (p->length > 0)
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DrawPuff (p);
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}
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}
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#endif
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