khanat-code-old/code/ryzom/client/src/custom_matrix.cpp

48 lines
1.3 KiB
C++

// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "stdpch.h"
#include "custom_matrix.h"
// *********************************************************
bool CCustomMatrix::set(bool newOn, const NLMISC::CMatrix &newMat)
{
if (newOn)
{
if (On)
{
float srcMatUnpacked[16];
float destMatUnpacked[16];
Matrix.get(srcMatUnpacked);
newMat.get(destMatUnpacked);
if (std::equal(srcMatUnpacked, srcMatUnpacked + 16, destMatUnpacked)) return false;
}
On = newOn;
Matrix = newMat;
return true;
}
Matrix = newMat;
if (newOn != On)
{
On = newOn;
return true;
}
return false;
}