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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
#include "hsTypes.h"
#include "plFadeOpacityLay.h"
plFadeOpacityLay::plFadeOpacityLay()
: fOpScale(1.f)
{
fOwnedChannels |= kOpacity;
fOpacity = TRACKED_NEW hsScalar;
}
plFadeOpacityLay::~plFadeOpacityLay()
{
}
UInt32 plFadeOpacityLay::Eval(double secs, UInt32 frame, UInt32 ignore)
{
UInt32 ret = plLayerInterface::Eval(secs, frame, ignore);
if( fUnderLay )
{
if( GetBlendFlags() & hsGMatState::kBlendAdd )
{
*fRuntimeColor = fUnderLay->GetRuntimeColor() * fOpScale;
}
else
{
*fOpacity = fUnderLay->GetOpacity() * fOpScale;
}
}
return ret;
}
void plFadeOpacityLay::Read(hsStream* s, hsResMgr* mgr)
{
plLayerInterface::Read(s, mgr);
fOpScale = s->ReadSwapScalar();
}
void plFadeOpacityLay::Write(hsStream* s, hsResMgr* mgr)
{
plLayerInterface::Write(s, mgr);
s->WriteSwapScalar(fOpScale);
}