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/**
* @file lltextureentry.h
* @brief LLTextureEntry base class
*
* Copyright (c) 2001-2007, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlife.com/developers/opensource/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlife.com/developers/opensource/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
*/
#ifndef LL_LLTEXTUREENTRY_H
#define LL_LLTEXTUREENTRY_H
#include "lluuid.h"
#include "v4color.h"
#include "llsd.h"
const S32 TEM_CHANGE_COLOR = 0x1;
const S32 TEM_CHANGE_TEXTURE = 0x2;
const S32 TEM_INVALID = 0x4;
const S32 TEM_BUMPMAP_COUNT = 32;
// The Bump Shiny Fullbright values are bits in an eight bit field:
// +----------+
// | SSFBBBBB | S = Shiny, F = Fullbright, B = Bumpmap
// | 76543210 |
// +----------+
const S32 TEM_BUMP_MASK = 0x1f; // 5 bits
const S32 TEM_FULLBRIGHT_MASK = 0x01; // 1 bit
const S32 TEM_SHINY_MASK = 0x03; // 2 bits
const S32 TEM_BUMP_SHINY_MASK = (0xc0 | 0x1f);
const S32 TEM_FULLBRIGHT_SHIFT = 5;
const S32 TEM_SHINY_SHIFT = 6;
// The Media Tex Gen values are bits in a bit field:
// +----------+
// | .....TTM | M = Media Flags (web page), T = LLTextureEntry::eTexGen, . = unused
// | 76543210 |
// +----------+
const S32 TEM_MEDIA_MASK = 0x01;
const S32 TEM_TEX_GEN_MASK = 0x06;
const S32 TEM_TEX_GEN_SHIFT = 1;
class LLTextureEntry
{
public:
typedef enum e_texgen
{
TEX_GEN_DEFAULT = 0x00,
TEX_GEN_PLANAR = 0x02,
TEX_GEN_SPHERICAL = 0x04,
TEX_GEN_CYLINDRICAL = 0x06
} eTexGen;
LLTextureEntry();
LLTextureEntry(const LLUUID& tex_id);
LLTextureEntry(const LLTextureEntry &rhs);
LLTextureEntry &operator=(const LLTextureEntry &rhs);
~LLTextureEntry();
bool operator==(const LLTextureEntry &rhs) const;
bool operator!=(const LLTextureEntry &rhs) const;
LLSD asLLSD() const;
operator LLSD() const { return asLLSD(); }
bool fromLLSD(LLSD& sd);
void init(const LLUUID& tex_id, F32 scale_s, F32 scale_t, F32 offset_s, F32 offset_t, F32 rotation, U8 bump);
// These return a TEM_ flag from above to indicate if something changed.
S32 setID (const LLUUID &tex_id);
S32 setColor(const LLColor4 &color);
S32 setColor(const LLColor3 &color);
S32 setAlpha(const F32 alpha);
S32 setScale(F32 s, F32 t);
S32 setOffset(F32 s, F32 t);
S32 setRotation(F32 theta);
S32 setBumpmap(U8 bump);
S32 setFullbright(U8 bump);
S32 setShiny(U8 bump);
S32 setBumpShiny(U8 bump);
S32 setBumpShinyFullbright(U8 bump);
S32 setMediaFlags(U8 media_flags);
S32 setTexGen(U8 texGen);
S32 setMediaTexGen(U8 media);
S32 setGlow(F32 glow);
const LLUUID &getID() const { return mID; }
const LLColor4 &getColor() const { return mColor; }
void getScale(F32 *s, F32 *t) const { *s = mScaleS; *t = mScaleT; }
void getOffset(F32 *s, F32 *t) const { *s = mOffsetS; *t = mOffsetT; }
F32 getRotation() const { return mRotation; }
void getRotation(F32 *theta) const { *theta = mRotation; }
U8 getBumpmap() const { return mBump & TEM_BUMP_MASK; }
U8 getFullbright() const { return (mBump>>TEM_FULLBRIGHT_SHIFT) & TEM_FULLBRIGHT_MASK; }
U8 getShiny() const { return (mBump>>TEM_SHINY_SHIFT) & TEM_SHINY_MASK; }
U8 getBumpShiny() const { return mBump & TEM_BUMP_SHINY_MASK; }
U8 getBumpShinyFullbright() const { return mBump; }
U8 getMediaFlags() const { return mMediaFlags & TEM_MEDIA_MASK; }
U8 getTexGen() const { return mMediaFlags & TEM_TEX_GEN_MASK; }
U8 getMediaTexGen() const { return mMediaFlags; }
F32 getGlow() const { return mGlow; }
// Media flags
enum { MF_NONE = 0x0, MF_WEB_PAGE = 0x1 };
public:
F32 mScaleS; // S, T offset
F32 mScaleT; // S, T offset
F32 mOffsetS; // S, T offset
F32 mOffsetT; // S, T offset
F32 mRotation; // anti-clockwise rotation in rad about the bottom left corner
static const LLTextureEntry null;
protected:
LLUUID mID; // Texture GUID
LLColor4 mColor;
U8 mBump; // Bump map, shiny, and fullbright
U8 mMediaFlags; // replace with web page, movie, etc.
F32 mGlow;
};
#endif
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