160 lines
4.2 KiB
C++
160 lines
4.2 KiB
C++
/**
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* @file llrigginginfo.cpp
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* @brief Functions for tracking rigged box extents
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*
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* $LicenseInfo:firstyear=2018&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2018, 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 "llmath.h"
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#include "llrigginginfo.h"
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//-----------------------------------------------------------------------------
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// LLJointRiggingInfo
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//-----------------------------------------------------------------------------
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LLJointRiggingInfo::LLJointRiggingInfo()
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{
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mRiggedExtents[0].clear();
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mRiggedExtents[1].clear();
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mIsRiggedTo = false;
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}
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bool LLJointRiggingInfo::isRiggedTo() const
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{
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return mIsRiggedTo;
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}
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void LLJointRiggingInfo::setIsRiggedTo(bool val)
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{
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mIsRiggedTo = val;
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}
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LLVector4a *LLJointRiggingInfo::getRiggedExtents()
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{
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return mRiggedExtents;
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}
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const LLVector4a *LLJointRiggingInfo::getRiggedExtents() const
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{
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return mRiggedExtents;
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}
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// Combine two rigging info states.
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// - isRiggedTo if either of the source infos are rigged to
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// - box is union of the two sources
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void LLJointRiggingInfo::merge(const LLJointRiggingInfo& other)
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{
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if (other.mIsRiggedTo)
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{
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if (mIsRiggedTo)
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{
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// Combine existing boxes
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update_min_max(mRiggedExtents[0], mRiggedExtents[1], other.mRiggedExtents[0]);
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update_min_max(mRiggedExtents[0], mRiggedExtents[1], other.mRiggedExtents[1]);
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}
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else
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{
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// Initialize box
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mIsRiggedTo = true;
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mRiggedExtents[0] = other.mRiggedExtents[0];
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mRiggedExtents[1] = other.mRiggedExtents[1];
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}
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}
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}
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LLJointRiggingInfoTab::LLJointRiggingInfoTab():
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mRigInfoPtr(NULL),
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mSize(0),
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mNeedsUpdate(true)
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{
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}
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LLJointRiggingInfoTab::~LLJointRiggingInfoTab()
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{
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clear();
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}
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// This doesn't preserve data if the size changes. In practice
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// this doesn't matter because the size is always either
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// LL_CHARACTER_MAX_ANIMATED_JOINTS or 0.
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void LLJointRiggingInfoTab::resize(S32 size)
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{
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if (size != mSize)
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{
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clear();
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if (size > 0)
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{
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mRigInfoPtr = new LLJointRiggingInfo[size];
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mSize = size;
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}
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}
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}
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void LLJointRiggingInfoTab::clear()
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{
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if (mRigInfoPtr)
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{
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delete[](mRigInfoPtr);
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mRigInfoPtr = NULL;
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mSize = 0;
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}
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}
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void showDetails(const LLJointRiggingInfoTab& src, const std::string& str)
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{
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S32 count_rigged = 0;
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S32 count_box = 0;
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LLVector4a zero_vec;
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zero_vec.clear();
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for (S32 i=0; i<src.size(); i++)
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{
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if (src[i].isRiggedTo())
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{
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count_rigged++;
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if ((!src[i].getRiggedExtents()[0].equals3(zero_vec)) ||
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(!src[i].getRiggedExtents()[1].equals3(zero_vec)))
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{
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count_box++;
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}
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}
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}
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LL_DEBUGS("RigSpammish") << "details: " << str << " has " << count_rigged << " rigged joints, of which " << count_box << " are non-empty" << LL_ENDL;
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}
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void LLJointRiggingInfoTab::merge(const LLJointRiggingInfoTab& src)
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{
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//showDetails(*this, "input this");
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// Size should be either LL_CHARACTER_MAX_ANIMATED_JOINTS, or 0 if
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// no data. Not necessarily the same for both inputs.
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if (src.size() > size())
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{
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resize(src.size());
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}
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S32 min_size = llmin(size(), src.size());
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for (S32 i=0; i<min_size; i++)
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{
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(*this)[i].merge(src[i]);
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}
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//showDetails(src, "input src");
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//showDetails(*this, "output this");
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}
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