82 lines
1.8 KiB
C
82 lines
1.8 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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// r_light.c - PENTA: almost obsolete now
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#include "quakedef.h"
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int r_dlightframecount;
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int d_lightstylevalue[256]; // 8.8 fraction of base light value
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//PENTA: Math utitity's
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void ProjectVector(const vec3_t b,const vec3_t a,vec3_t c) {
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float dpa,dpab;
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dpa = DotProduct(a,a);
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dpab = DotProduct(a,b)/dpa;
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c[0] = a[0] * dpab;
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c[1] = a[1] * dpab;
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c[2] = a[2] * dpab;
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}
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void ProjectPlane(const vec3_t src,const vec3_t v1,const vec3_t v2,vec3_t dst) {
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vec3_t t1,t2;
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ProjectVector(src, v1, t1);
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ProjectVector(src, v2, t2);
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VectorAdd(t1,t2,dst);
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}
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/*
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==================
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R_AnimateLight
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==================
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*/
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void R_AnimateLight (void)
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{
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int i,j,k;
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//
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// light animations
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// 'm' is normal light, 'a' is no light, 'z' is double bright
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i = (int)(cl.time*10);
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for (j=0 ; j<MAX_LIGHTSTYLES ; j++)
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{
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if (!cl_lightstyle[j].length)
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{
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d_lightstylevalue[j] = 256;
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continue;
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}
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k = i % cl_lightstyle[j].length;
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k = cl_lightstyle[j].map[k] - 'a';
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k = k*22;
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d_lightstylevalue[j] = k;
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}
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}
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int R_LightPoint (vec3_t p)
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{
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//PENTA: use the q3 lightgrid for this
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return 255;
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}
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