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/*==LICENSE==*
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CyanWorlds.com Engine - MMOG client, server and tools
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Copyright (C) 2011 Cyan Worlds, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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You can contact Cyan Worlds, Inc. by email legal@cyan.com
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or by snail mail at:
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Cyan Worlds, Inc.
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14617 N Newport Hwy
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Mead, WA 99021
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*==LICENSE==*/
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#include "hsTypes.h"
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#include "plLayerOr.h"
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plLayerOr::plLayerOr()
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{
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fState = TRACKED_NEW hsGMatState;
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fState->Reset();
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fOwnedChannels = kState;
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}
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plLayerOr::~plLayerOr()
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{
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}
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void plLayerOr::SetState( const hsGMatState& state )
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{
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SetBlendFlags( state.fBlendFlags );
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SetClampFlags( state.fClampFlags );
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SetShadeFlags( state.fShadeFlags );
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SetZFlags( state.fZFlags );
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SetMiscFlags( state.fMiscFlags );
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}
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plLayerInterface *plLayerOr::Attach( plLayerInterface* prev )
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{
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fDirty = true;
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return plLayerInterface::Attach( prev );
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}
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UInt32 plLayerOr::Eval(double secs, UInt32 frame, UInt32 ignore)
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{
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UInt32 ret = plLayerInterface::Eval(secs, frame, ignore);
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if( fUnderLay )
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{
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if( fDirty || (ret & kState) )
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{
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*fState = fUnderLay->GetState();
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if( fOringState.fBlendFlags & hsGMatState::kBlendMask )
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fState->fBlendFlags &= ~hsGMatState::kBlendMask;
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fState->fBlendFlags |= fOringState.fBlendFlags;
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fState->fClampFlags = fUnderLay->GetClampFlags() | fOringState.fClampFlags;
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fState->fShadeFlags = fUnderLay->GetShadeFlags() | fOringState.fShadeFlags;
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fState->fZFlags = fUnderLay->GetZFlags() | fOringState.fZFlags;
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fState->fMiscFlags = fUnderLay->GetMiscFlags() | fOringState.fMiscFlags;
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fDirty = false;
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}
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}
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return ret;
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}
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