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Diffstat (limited to 'indra/llprimitive/lltextureentry.h')
| -rw-r--r-- | indra/llprimitive/lltextureentry.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/indra/llprimitive/lltextureentry.h b/indra/llprimitive/lltextureentry.h new file mode 100644 index 0000000000..b9558a159a --- /dev/null +++ b/indra/llprimitive/lltextureentry.h @@ -0,0 +1,126 @@ +/** + * @file lltextureentry.h + * @brief LLTextureEntry base class + * + * Copyright (c) 2001-$CurrentYear$, Linden Research, Inc. + * $License$ + */ + +#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); + + 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; } + + // 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. +}; + +#endif |