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65 lines
1.7 KiB
65 lines
1.7 KiB
/*==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 "hsGeometry3.h" |
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#include "hsSfxIntenseAlpha.h" |
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#include "../plGeometry/hsTriangle3.h" |
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hsSfxIntenseAlpha::hsSfxIntenseAlpha() |
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: fMinAlpha(0) |
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{ |
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fFlags |= kInclusive; |
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} |
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hsSfxIntenseAlpha::~hsSfxIntenseAlpha() |
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{ |
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} |
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void hsSfxIntenseAlpha::ProcessPreInterpShadeVerts(hsExpander<hsGShadeVertex*>& vList) |
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{ |
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hsScalar oScale = 1.f - fMinAlpha; |
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for( vList.First(); vList.More(); vList.Plus() ) |
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{ |
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hsGShadeVertex* s = vList.Current(); |
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hsScalar o = hsMaximum(hsMaximum(s->fShade.r, s->fShade.g), s->fShade.b); |
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o *= oScale; |
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o += fMinAlpha; |
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s->fShade.a *= o; |
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} |
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} |
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void hsSfxIntenseAlpha::Read(hsStream* s) |
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{ |
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fMinAlpha = s->ReadSwapScalar(); |
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} |
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void hsSfxIntenseAlpha::Write(hsStream* s) |
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{ |
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s->WriteSwapScalar(fMinAlpha); |
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}
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