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331 lines
7.8 KiB
331 lines
7.8 KiB
14 years ago
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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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14 years ago
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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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Additional permissions under GNU GPL version 3 section 7
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If you modify this Program, or any covered work, by linking or
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combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
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NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
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JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
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(or a modified version of those libraries),
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containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
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PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
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JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
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licensors of this Program grant you additional
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permission to convey the resulting work. Corresponding Source for a
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non-source form of such a combination shall include the source code for
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the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
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work.
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14 years ago
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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 "plQuatChannel.h"
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#include "plPointChannel.h"
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#include "plMatrixChannel.h"
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#include "../pnSceneObject/plDrawInterface.h"
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#include "../pnSceneObject/plSimulationInterface.h"
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#include "../pnSceneObject/plCoordinateInterface.h"
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#include "../pnSceneObject/plAudioInterface.h"
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#include "../plInterp/plAnimTimeConvert.h"
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#include "hsMatrix44.h"
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////////////////
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// PLQUATCHANNEL
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////////////////
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// CTOR
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plQuatChannel::plQuatChannel()
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: plAGChannel()
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{
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fResult.Identity();
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}
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// DTOR
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plQuatChannel::~plQuatChannel()
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{
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}
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// VALUE (time)
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const hsQuat &plQuatChannel::Value(double time)
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{
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return fResult;
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}
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// VALUE (quaternion, time)
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void plQuatChannel::Value(hsQuat &quat, double time)
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{
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quat = Value(time);
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}
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// CANCOMBINE
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hsBool plQuatChannel::CanCombine(plAGChannel *channelA)
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{
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return false;
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if(plPointChannel::ConvertNoRef(channelA))
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{
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return true;
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} else {
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return false;
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}
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}
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// MAKECOMBINE
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plAGChannel * plQuatChannel::MakeCombine(plAGChannel *channelA)
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{
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if(plPointChannel::ConvertNoRef(channelA))
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{
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return TRACKED_NEW plQuatPointCombine(this, (plPointChannel *)channelA);
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} else {
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return nil;
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}
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}
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// MAKEBLEND
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plAGChannel *plQuatChannel::MakeBlend(plAGChannel *channelB, plScalarChannel *channelBias, int blendPriority)
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{
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plQuatChannel *chanB = plQuatChannel::ConvertNoRef(channelB);
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plScalarChannel *chanBias = plScalarChannel::ConvertNoRef(channelBias);
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if(chanB && chanBias)
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{
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return TRACKED_NEW plQuatBlend(this, chanB, chanBias);
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} else {
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hsStatusMessageF("Blend operation failed.");
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return this;
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}
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}
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// MAKEZEROSTATE
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plAGChannel * plQuatChannel::MakeZeroState()
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{
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return TRACKED_NEW plQuatConstant(Value(0));
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}
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// MAKETIMESCALE
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plAGChannel * plQuatChannel::MakeTimeScale(plScalarChannel *timeSource)
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{
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return TRACKED_NEW plQuatTimeScale(this, timeSource);
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}
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/////////////////
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// PLQUATCONSTANT
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/////////////////
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// CTOR
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plQuatConstant::plQuatConstant()
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: plQuatChannel()
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{
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}
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// CTOR(name, quaternion)
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plQuatConstant::plQuatConstant(const hsQuat &quaternion)
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{
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fResult = quaternion;
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}
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// DTOR
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plQuatConstant::~plQuatConstant()
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{
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}
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void plQuatConstant::Read(hsStream *stream, hsResMgr *mgr)
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{
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plQuatChannel::Read(stream, mgr);
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fResult.Read(stream);
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}
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void plQuatConstant::Write(hsStream *stream, hsResMgr *mgr)
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{
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plQuatChannel::Write(stream, mgr);
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fResult.Write(stream);
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}
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////////////////////
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// PLQUATTIMESCALE
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////////////////////
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// Insert into the graph when you need to change the speed or direction of time
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// Also serves as a handy instancing node, since it just passes its data through.
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// CTOR
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plQuatTimeScale::plQuatTimeScale()
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: fTimeSource(nil),
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fChannelIn(nil)
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{
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}
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// CTOR (channel, converter)
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plQuatTimeScale::plQuatTimeScale(plQuatChannel *channel, plScalarChannel *timeSource)
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: fChannelIn(channel),
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fTimeSource(timeSource)
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{
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}
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// DTOR
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plQuatTimeScale::~plQuatTimeScale()
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{
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}
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hsBool plQuatTimeScale::IsStoppedAt(double time)
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{
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return fTimeSource->IsStoppedAt(time);
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}
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// VALUE
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const hsQuat & plQuatTimeScale::Value(double time)
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{
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fResult = fChannelIn->Value(fTimeSource->Value(time));
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return fResult;
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}
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// DETACH
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plAGChannel * plQuatTimeScale::Detach(plAGChannel * channel)
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{
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plAGChannel *result = this;
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fChannelIn = plQuatChannel::ConvertNoRef(fChannelIn->Detach(channel));
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if(!fChannelIn || channel == this)
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result = nil;
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if (result != this)
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delete this;
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return result;
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}
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//////////////
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// PLQUATBLEND
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//////////////
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// CTOR
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plQuatBlend::plQuatBlend()
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: fQuatA(nil),
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fQuatB(nil),
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fChannelBias(nil)
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{
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}
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// CTOR(channelA, channelB, blend)
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plQuatBlend::plQuatBlend(plQuatChannel *channelA, plQuatChannel *channelB, plScalarChannel *channelBias)
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: fQuatA(channelA),
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fQuatB(channelB),
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fChannelBias(channelBias)
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{
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}
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// DTOR
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plQuatBlend::~plQuatBlend()
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{
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//if (fQuatA) delete fQuatA;
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//if (fQuatB) delete fQuatB;
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fQuatA = fQuatB = nil;
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fChannelBias = nil;
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}
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hsBool plQuatBlend::IsStoppedAt(double time)
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{
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hsScalar blend = fChannelBias->Value(time);
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if (blend == 0)
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return fQuatA->IsStoppedAt(time);
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if (blend == 1)
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return fQuatB->IsStoppedAt(time);
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return (fQuatA->IsStoppedAt(time) && fQuatB->IsStoppedAt(time));
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}
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// VALUE(time)
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const hsQuat &plQuatBlend::Value(double time)
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{
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hsQuat quatA = fQuatA->Value(time);
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hsQuat quatB = fQuatB->Value(time);
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fResult.SetFromSlerp(quatA, quatB, fChannelBias->Value(time));
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return fResult;
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}
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// REMOVE
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// Remove the given channel wherever it may be in the graph (including this node)
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plAGChannel * plQuatBlend::Detach(plAGChannel *remove)
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{
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plAGChannel *result = this;
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hsAssert(remove != this, "Cannot remove blenders explicitly. Remove blended source instead.");
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if (remove != this)
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{
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fChannelBias = plScalarChannel::ConvertNoRef(fChannelBias->Detach(remove));
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if (!fChannelBias)
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{
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// No more bias channel, assume it's zero from now on, (a.k.a. We just want channelA)
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result = fQuatA;
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}
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else
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{
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fQuatA = (plQuatChannel *)fQuatA->Detach(remove);
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if(fQuatA)
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{
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// channel a still here(although children may be gone); try channel b
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fQuatB = (plQuatChannel *)fQuatB->Detach(remove);
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if(!fQuatB)
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{
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result = fQuatA; // channel b is gone: return channel a as blender's replacement
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}
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} else {
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result = fQuatB; // channel a is gone: return channel b
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}
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if (result != this)
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{
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delete this; // lost one of our channels: kill the blender.
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}
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}
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}
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return result;
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}
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//////////////////////////////////////////////////////////////////////////////////////
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// Applicators
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void plQuatChannelApplicator::IApply(const plAGModifier *mod, double time)
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{
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plQuatChannel *quatChan = plQuatChannel::ConvertNoRef(fChannel);
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hsAssert(quatChan, "Invalid channel in plQuatChannelApplicator");
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const hsQuat &rotate = quatChan->Value(time);
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plCoordinateInterface *CI = IGetCI(mod);
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hsMatrix44 l2w;
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hsMatrix44 w2l;
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rotate.MakeMatrix(&l2w);
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l2w.GetInverse(&w2l);
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CI->SetLocalToParent(l2w, w2l);
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}
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