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quake3 / q3map / shaders.h

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/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.

This file is part of Quake III Arena source code.

Quake III Arena source code 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.

Quake III Arena source code 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 Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/


typedef struct shaderInfo_s {
	char		shader[MAX_QPATH];
	int			surfaceFlags;
	int			contents;
	int			value;

	char		backShader[MAX_QPATH];	// for surfaces that generate different front and back passes
	char		flareShader[MAX_QPATH];	// for light flares

	float		subdivisions;			// from a "tesssize xxx"
	float		backsplashFraction;		// floating point value, usually 0.05
	float		backsplashDistance;		// default 16
	float		lightSubdivide;			// default 120
	int			lightmapSampleSize;		// lightmap sample size

	qboolean	hasPasses;				// false if the shader doesn't define any rendering passes

	qboolean	globalTexture;			// don't normalize texture repeats

	qboolean	twoSided;				// cull none
	qboolean	autosprite;				// autosprite shaders will become point lights
										// instead of area lights
	qboolean	lightFilter;			// light rays that cross surfaces of this type
										// should test against the filter image
	qboolean	forceTraceLight;		// always use -light for this surface
	qboolean	forceVLight;			// always use -vlight for this surface
	qboolean	patchShadows;			// have patches casting shadows when using -light for this surface
	qboolean	vertexShadows;			// shadows will be casted at this surface even when vertex lit
	qboolean	noVertexShadows;		// no shadows will be casted at this surface in vertex lighting
	qboolean	forceSunLight;			// force sun light at this surface even tho we might not calculate shadows in vertex lighting
	qboolean	notjunc;				// don't use this surface for tjunction fixing
	float		vertexScale;			// vertex light scale

	char		editorimage[MAX_QPATH];	// use this image to generate texture coordinates
	char		lightimage[MAX_QPATH];	// use this image to generate color / averageColor
	vec3_t		color;					// colorNormalized
	vec3_t		averageColor;

	int			width, height;
	byte		*pixels;

	vec3_t		sunLight;
	vec3_t		sunDirection;
} shaderInfo_t;

void LoadShaderInfo( void );
shaderInfo_t	*ShaderInfoForShader( const char *shader );