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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 "plLayerMultiply.h"
plLayerMultiply::plLayerMultiply() : fDirtyChannels(0), fSrcOpacity(1.f)
{
fSrcPreshadeColor.Set(1.f, 1.f, 1.f, 1.f);
fSrcRuntimeColor.Set(1.f, 1.f, 1.f, 1.f);
fSrcAmbientColor.Set(1.f, 1.f, 1.f, 1.f);
fSrcTransform.Reset();
}
plLayerMultiply::~plLayerMultiply()
{
}
void plLayerMultiply::Read(hsStream* s, hsResMgr* mgr)
{
plLayerInterface::Read(s, mgr);
fOwnedChannels = s->ReadSwap32();
if (fOwnedChannels & kOpacity)
{
fOpacity = TRACKED_NEW hsScalar;
*fOpacity = fSrcOpacity = s->ReadSwapScalar();
fDirtyChannels |= kOpacity;
}
if (fOwnedChannels & kPreshadeColor)
{
fPreshadeColor = TRACKED_NEW hsColorRGBA;
fSrcPreshadeColor.Read(s);
*fPreshadeColor = fSrcPreshadeColor;
fDirtyChannels |= kPreshadeColor;
}
if (fOwnedChannels & kRuntimeColor)
{
fRuntimeColor = TRACKED_NEW hsColorRGBA;
fSrcRuntimeColor.Read(s);
*fRuntimeColor = fSrcRuntimeColor;
fDirtyChannels |= kRuntimeColor;
}
if (fOwnedChannels & kAmbientColor)
{
fAmbientColor = TRACKED_NEW hsColorRGBA;
fSrcAmbientColor.Read(s);
*fAmbientColor = fSrcAmbientColor;
fDirtyChannels |= kAmbientColor;
}
if (fOwnedChannels & kTransform)
{
fTransform = TRACKED_NEW hsMatrix44;
fSrcTransform.Read(s);
*fTransform = fSrcTransform;
fDirtyChannels |= kTransform;
}
}
void plLayerMultiply::Write(hsStream* s, hsResMgr* mgr)
{
plLayerInterface::Write(s, mgr);
s->WriteSwap32(fOwnedChannels);
if (fOwnedChannels & kOpacity)
s->WriteSwapScalar(fSrcOpacity);
if (fOwnedChannels & kPreshadeColor)
fSrcPreshadeColor.Write(s);
if (fOwnedChannels & kRuntimeColor)
fSrcRuntimeColor.Write(s);
if (fOwnedChannels & kAmbientColor)
fSrcAmbientColor.Write(s);
if (fOwnedChannels & kTransform)
fSrcTransform.Write(s);
}
plLayerInterface* plLayerMultiply::Attach(plLayerInterface* prev)
{
return plLayerInterface::Attach(prev);
}
UInt32 plLayerMultiply::Eval(double wSecs, UInt32 frame, UInt32 ignore)
{
UInt32 dirtyChannels = fDirtyChannels | plLayerInterface::Eval(wSecs, frame, ignore);
UInt32 evalChannels = dirtyChannels & fOwnedChannels;
if (evalChannels & kPreshadeColor)
*fPreshadeColor = fSrcPreshadeColor * fUnderLay->GetPreshadeColor();
if (evalChannels & kRuntimeColor)
*fRuntimeColor = fSrcRuntimeColor * fUnderLay->GetRuntimeColor();
if (evalChannels & kAmbientColor)
*fAmbientColor = fSrcAmbientColor * fUnderLay->GetAmbientColor();
if (evalChannels & kOpacity)
*fOpacity = fSrcOpacity * fUnderLay->GetOpacity();
if (evalChannels & kTransform)
*fTransform = fSrcTransform * fUnderLay->GetTransform();
fDirtyChannels = 0;
return dirtyChannels;
}
hsBool plLayerMultiply::MsgReceive(plMessage* msg)
{
return plLayerInterface::MsgReceive(msg);
}
void plLayerMultiply::SetPreshadeColor(const hsColorRGBA& col)
{
fSrcPreshadeColor = col;
fDirtyChannels |= kPreshadeColor;
}
void plLayerMultiply::SetRuntimeColor(const hsColorRGBA& col)
{
fSrcRuntimeColor = col;
fDirtyChannels |= kRuntimeColor;
}
void plLayerMultiply::SetAmbientColor(const hsColorRGBA& col)
{
fSrcAmbientColor = col;
fDirtyChannels |= kAmbientColor;
}
void plLayerMultiply::SetOpacity(hsScalar a)
{
fSrcOpacity = a;
fDirtyChannels |= kOpacity;
}
void plLayerMultiply::SetTransform(const hsMatrix44& xfm)
{
fSrcTransform = xfm;
fDirtyChannels |= kTransform;
}