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Diffstat (limited to 'indra/llprimitive/llmaterialid.cpp')
| -rw-r--r-- | indra/llprimitive/llmaterialid.cpp | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/indra/llprimitive/llmaterialid.cpp b/indra/llprimitive/llmaterialid.cpp new file mode 100644 index 0000000000..590f5cd91f --- /dev/null +++ b/indra/llprimitive/llmaterialid.cpp @@ -0,0 +1,176 @@ +/** +* @file llmaterialid.cpp +* @brief Implementation of llmaterialid +* @author Stinson@lindenlab.com +* +* $LicenseInfo:firstyear=2012&license=viewerlgpl$ +* Second Life Viewer Source Code +* Copyright (C) 2012, 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 +* $/LicenseInfo$ +*/ + +#include "linden_common.h" + +#include "llmaterialid.h" + +#include <string> + +#include "llformat.h" + +const LLMaterialID LLMaterialID::null; + +LLMaterialID::LLMaterialID() +{ + clear(); +} + +LLMaterialID::LLMaterialID(const LLSD& pMaterialID) +{ + llassert(pMaterialID.isBinary()); + parseFromBinary(pMaterialID.asBinary()); +} + +LLMaterialID::LLMaterialID(const LLSD::Binary& pMaterialID) +{ + parseFromBinary(pMaterialID); +} + +LLMaterialID::LLMaterialID(const void* pMemory) +{ + set(pMemory); +} + +LLMaterialID::LLMaterialID(const LLMaterialID& pOtherMaterialID) +{ + copyFromOtherMaterialID(pOtherMaterialID); +} + +LLMaterialID::~LLMaterialID() +{ +} + +bool LLMaterialID::operator == (const LLMaterialID& pOtherMaterialID) const +{ + return (compareToOtherMaterialID(pOtherMaterialID) == 0); +} + +bool LLMaterialID::operator != (const LLMaterialID& pOtherMaterialID) const +{ + return (compareToOtherMaterialID(pOtherMaterialID) != 0); +} + +bool LLMaterialID::operator < (const LLMaterialID& pOtherMaterialID) const +{ + return (compareToOtherMaterialID(pOtherMaterialID) < 0); +} + +bool LLMaterialID::operator <= (const LLMaterialID& pOtherMaterialID) const +{ + return (compareToOtherMaterialID(pOtherMaterialID) <= 0); +} + +bool LLMaterialID::operator > (const LLMaterialID& pOtherMaterialID) const +{ + return (compareToOtherMaterialID(pOtherMaterialID) > 0); +} + +bool LLMaterialID::operator >= (const LLMaterialID& pOtherMaterialID) const +{ + return (compareToOtherMaterialID(pOtherMaterialID) >= 0); +} + +LLMaterialID& LLMaterialID::operator = (const LLMaterialID& pOtherMaterialID) +{ + copyFromOtherMaterialID(pOtherMaterialID); + return (*this); +} + +bool LLMaterialID::isNull() const +{ + return (compareToOtherMaterialID(LLMaterialID::null) == 0); +} + +const U8* LLMaterialID::get() const +{ + return mID; +} + +void LLMaterialID::set(const void* pMemory) +{ + llassert(pMemory != NULL); + + // assumes that the required size of memory is available + memcpy(mID, pMemory, MATERIAL_ID_SIZE * sizeof(U8)); +} + +void LLMaterialID::clear() +{ + memset(mID, 0, MATERIAL_ID_SIZE * sizeof(U8)); +} + +LLSD LLMaterialID::asLLSD() const +{ + LLSD::Binary materialIDBinary; + + materialIDBinary.resize(MATERIAL_ID_SIZE * sizeof(U8)); + memcpy(materialIDBinary.data(), mID, MATERIAL_ID_SIZE * sizeof(U8)); + + LLSD materialID = materialIDBinary; + return materialID; +} + +std::string LLMaterialID::asString() const +{ + std::string materialIDString; + for (unsigned int i = 0U; i < static_cast<unsigned int>(MATERIAL_ID_SIZE / sizeof(U32)); ++i) + { + if (i != 0U) + { + materialIDString += "-"; + } + const U32 *value = reinterpret_cast<const U32*>(&get()[i * sizeof(U32)]); + materialIDString += llformat("%08x", *value); + } + return materialIDString; +} + +void LLMaterialID::parseFromBinary (const LLSD::Binary& pMaterialID) +{ + llassert(pMaterialID.size() == (MATERIAL_ID_SIZE * sizeof(U8))); + memcpy(mID, &pMaterialID[0], MATERIAL_ID_SIZE * sizeof(U8)); +} + +void LLMaterialID::copyFromOtherMaterialID(const LLMaterialID& pOtherMaterialID) +{ + memcpy(mID, pOtherMaterialID.get(), MATERIAL_ID_SIZE * sizeof(U8)); +} + +int LLMaterialID::compareToOtherMaterialID(const LLMaterialID& pOtherMaterialID) const +{ + int retVal = 0; + + for (unsigned int i = 0U; (retVal == 0) && (i < static_cast<unsigned int>(MATERIAL_ID_SIZE / sizeof(U32))); ++i) + { + const U32 *thisValue = reinterpret_cast<const U32*>(&get()[i * sizeof(U32)]); + const U32 *otherValue = reinterpret_cast<const U32*>(&pOtherMaterialID.get()[i * sizeof(U32)]); + retVal = ((*thisValue < *otherValue) ? -1 : ((*thisValue > *otherValue) ? 1 : 0)); + } + + return retVal; +} |