r_lighting.h

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/*
 Copyright(c) 1997-2001 Id Software, Inc.
 Copyright(c) 2002 The Quakeforge Project.
 Copyright(c) 2006 Quake2World.
 
 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.
 */
 
#pragma once

typedef struct lighting_s {
    /* Cache */
    vec3_t lastCachePos;    
    const light_t* cachedLights[MAX_ENTITY_LIGHTS]; 
    int numCachedLights;    
 
    /* Lights */
    const light_t* lights[MAX_ENTITY_LIGHTS]; 
    int numLights;
    int lastLitFrame;       
 
    /* Shadows */
    bool inShadow;          
    /* Stencil shadow (not necessarily from the sun) */
    vec3_t shadowOrigin;
    int lastShadowedFrame;  
} lighting_t;
 
#define LIGHTING_MAX_SHADOW_DISTANCE 128.0
#define CACHE_CLEAR_TRESHOLD 2.0