184 lines
4.6 KiB
C++
184 lines
4.6 KiB
C++
/**
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* @file llmaterialid.cpp
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* @brief Implementation of llmaterialid
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* @author Stinson@lindenlab.com
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*
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* $LicenseInfo:firstyear=2012&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2012, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "linden_common.h"
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#include "llmaterialid.h"
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#include <string>
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#include "llformat.h"
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const LLMaterialID LLMaterialID::null;
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LLMaterialID::LLMaterialID()
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{
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clear();
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}
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LLMaterialID::LLMaterialID(const LLSD& pMaterialID)
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{
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llassert(pMaterialID.isBinary());
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parseFromBinary(pMaterialID.asBinary());
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}
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LLMaterialID::LLMaterialID(const LLSD::Binary& pMaterialID)
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{
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parseFromBinary(pMaterialID);
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}
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LLMaterialID::LLMaterialID(const void* pMemory)
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{
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set(pMemory);
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}
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LLMaterialID::LLMaterialID(const LLMaterialID& pOtherMaterialID)
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{
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copyFromOtherMaterialID(pOtherMaterialID);
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}
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LLMaterialID::~LLMaterialID()
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{
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}
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bool LLMaterialID::operator == (const LLMaterialID& pOtherMaterialID) const
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{
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return (compareToOtherMaterialID(pOtherMaterialID) == 0);
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}
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bool LLMaterialID::operator != (const LLMaterialID& pOtherMaterialID) const
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{
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return (compareToOtherMaterialID(pOtherMaterialID) != 0);
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}
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bool LLMaterialID::operator < (const LLMaterialID& pOtherMaterialID) const
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{
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return (compareToOtherMaterialID(pOtherMaterialID) < 0);
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}
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bool LLMaterialID::operator <= (const LLMaterialID& pOtherMaterialID) const
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{
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return (compareToOtherMaterialID(pOtherMaterialID) <= 0);
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}
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bool LLMaterialID::operator > (const LLMaterialID& pOtherMaterialID) const
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{
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return (compareToOtherMaterialID(pOtherMaterialID) > 0);
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}
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bool LLMaterialID::operator >= (const LLMaterialID& pOtherMaterialID) const
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{
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return (compareToOtherMaterialID(pOtherMaterialID) >= 0);
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}
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LLMaterialID& LLMaterialID::operator = (const LLMaterialID& pOtherMaterialID)
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{
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copyFromOtherMaterialID(pOtherMaterialID);
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return (*this);
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}
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bool LLMaterialID::isNull() const
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{
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return (compareToOtherMaterialID(LLMaterialID::null) == 0);
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}
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const U8* LLMaterialID::get() const
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{
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return mID;
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}
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void LLMaterialID::set(const void* pMemory)
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{
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llassert(pMemory != NULL);
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// assumes that the required size of memory is available
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memcpy(mID, pMemory, MATERIAL_ID_SIZE * sizeof(U8));
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}
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void LLMaterialID::clear()
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{
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memset(mID, 0, MATERIAL_ID_SIZE * sizeof(U8));
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}
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LLSD LLMaterialID::asLLSD() const
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{
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LLSD::Binary materialIDBinary;
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materialIDBinary.resize(MATERIAL_ID_SIZE * sizeof(U8));
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memcpy(materialIDBinary.data(), mID, MATERIAL_ID_SIZE * sizeof(U8));
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LLSD materialID = materialIDBinary;
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return materialID;
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}
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std::string LLMaterialID::asString() const
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{
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std::string materialIDString;
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for (unsigned int i = 0U; i < static_cast<unsigned int>(MATERIAL_ID_SIZE / sizeof(U32)); ++i)
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{
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if (i != 0U)
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{
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materialIDString += "-";
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}
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const U32 *value = reinterpret_cast<const U32*>(&get()[i * sizeof(U32)]);
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materialIDString += llformat("%08x", *value);
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}
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return materialIDString;
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}
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std::ostream& operator<<(std::ostream& s, const LLMaterialID &material_id)
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{
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s << material_id.asString();
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return s;
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}
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void LLMaterialID::parseFromBinary (const LLSD::Binary& pMaterialID)
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{
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llassert(pMaterialID.size() == (MATERIAL_ID_SIZE * sizeof(U8)));
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memcpy(mID, &pMaterialID[0], MATERIAL_ID_SIZE * sizeof(U8));
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}
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void LLMaterialID::copyFromOtherMaterialID(const LLMaterialID& pOtherMaterialID)
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{
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memcpy(mID, pOtherMaterialID.get(), MATERIAL_ID_SIZE * sizeof(U8));
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}
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int LLMaterialID::compareToOtherMaterialID(const LLMaterialID& pOtherMaterialID) const
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{
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int retVal = 0;
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for (unsigned int i = 0U; (retVal == 0) && (i < static_cast<unsigned int>(MATERIAL_ID_SIZE / sizeof(U32))); ++i)
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{
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const U32 *thisValue = reinterpret_cast<const U32*>(&get()[i * sizeof(U32)]);
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const U32 *otherValue = reinterpret_cast<const U32*>(&pOtherMaterialID.get()[i * sizeof(U32)]);
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retVal = ((*thisValue < *otherValue) ? -1 : ((*thisValue > *otherValue) ? 1 : 0));
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}
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return retVal;
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}
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