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/**
* @file llgltfmaterial.h
* @brief Material definition
*
* $LicenseInfo:firstyear=2022&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2022, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#pragma once
#include "llrefcount.h"
#include "v4color.h"
#include "v3color.h"
#include "lluuid.h"
#include "llmd5.h"
class LLGLTFMaterial : public LLRefCount
{
public:
enum AlphaMode
{
ALPHA_MODE_OPAQUE = 0,
ALPHA_MODE_BLEND,
ALPHA_MODE_MASK
};
LLUUID mAlbedoId;
LLUUID mNormalId;
LLUUID mMetallicRoughnessId;
LLUUID mEmissiveId;
LLColor4 mAlbedoColor = LLColor4(1,1,1,1);
LLColor3 mEmissiveColor = LLColor3(0,0,0);
F32 mMetallicFactor = 0.f;
F32 mRoughnessFactor = 0.f;
bool mDoubleSided = false;
AlphaMode mAlphaMode = ALPHA_MODE_OPAQUE;
// get a UUID based on a hash of this LLGLTFMaterial
LLUUID getHash() const
{
LLMD5 md5;
md5.update((unsigned char*) this, sizeof(this));
LLUUID id;
md5.raw_digest(id.mData);
return id;
}
// set mAlphaMode from string.
// Anything otherthan "MASK" or "BLEND" sets mAlphaMode to ALPHA_MODE_OPAQUE
void setAlphaMode(const std::string& mode)
{
if (mode == "MASK")
{
mAlphaMode = ALPHA_MODE_MASK;
}
else if (mode == "BLEND")
{
mAlphaMode = ALPHA_MODE_BLEND;
}
else
{
mAlphaMode = ALPHA_MODE_OPAQUE;
}
}
const char* getAlphaMode()
{
switch (mAlphaMode)
{
case ALPHA_MODE_MASK: return "MASK";
case ALPHA_MODE_BLEND: return "BLEND";
default: return "OPAQUE";
}
}
};
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