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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 "plLayerOr.h"
plLayerOr::plLayerOr()
{
fState = TRACKED_NEW hsGMatState;
fState->Reset();
fOwnedChannels = kState;
}
plLayerOr::~plLayerOr()
{
}
void plLayerOr::SetState( const hsGMatState& state )
{
SetBlendFlags( state.fBlendFlags );
SetClampFlags( state.fClampFlags );
SetShadeFlags( state.fShadeFlags );
SetZFlags( state.fZFlags );
SetMiscFlags( state.fMiscFlags );
}
plLayerInterface *plLayerOr::Attach( plLayerInterface* prev )
{
fDirty = true;
return plLayerInterface::Attach( prev );
}
UInt32 plLayerOr::Eval(double secs, UInt32 frame, UInt32 ignore)
{
UInt32 ret = plLayerInterface::Eval(secs, frame, ignore);
if( fUnderLay )
{
if( fDirty || (ret & kState) )
{
*fState = fUnderLay->GetState();
if( fOringState.fBlendFlags & hsGMatState::kBlendMask )
fState->fBlendFlags &= ~hsGMatState::kBlendMask;
fState->fBlendFlags |= fOringState.fBlendFlags;
fState->fClampFlags = fUnderLay->GetClampFlags() | fOringState.fClampFlags;
fState->fShadeFlags = fUnderLay->GetShadeFlags() | fOringState.fShadeFlags;
fState->fZFlags = fUnderLay->GetZFlags() | fOringState.fZFlags;
fState->fMiscFlags = fUnderLay->GetMiscFlags() | fOringState.fMiscFlags;
fDirty = false;
}
}
return ret;
}