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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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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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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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#ifndef plProxyGen_inc
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#define plProxyGen_inc
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#include "../pnKeyedObject/hsKeyedObject.h"
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#include "hsColorRGBA.h"
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#include "hsTemplates.h"
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class plDrawableSpans;
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class hsGMaterial;
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struct hsMatrix44;
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//
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// Making your own ProxyGen suitable for visualizing class YourObject.
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//
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// Derive YourObjectProxy() from ProxyGen.
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// YourObjectProxy() should set fProxyMsgType and the colors fAmbient,fColor, either
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// in the constructor or in Init().
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// Implement IGetNode() (see below).
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// Implement ICreateProxy() (see below).
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// Implement a CreateProxy() member to YourObject (see below).
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// Add DrawableType kYourObjectProxy to plDrawable.h
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// Add console commands under Graphics.Show.YourObjectProxy.
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//
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// See plLightSpace and plLightProxy for examples.
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//
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// More details.
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// ============
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// To make your own ProxyGen, you should subclass plProxyGen and override Init()
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// because you'll probably want to keep a pointer to your owner (of type only you
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// need to understand).
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//
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// The IGetNode() function lets your owner specify which plSceneNode to place the
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// drawable in. That will normally just return your owner's GetSceneNode() call.
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//
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// ICreateProxy() let's your ProxyGen do any tweaking before calling CreateProxy()
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// on your object. Your ProxyGen::ICreateProxy() could just do the work itself, but
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// normally doesn't have enough protected information to really do the job.
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//
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// Typically your object's CreateProxy() function will just translate its internal
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// data to a form suitable for the plDrawableGenerator suite of helper functions
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// and return the result of a call into one of them.
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//
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class plProxyGen : public hsKeyedObject
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{
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protected:
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hsColorRGBA fAmbient; // opacity in ambient.a
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hsColorRGBA fColor;
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plDrawableSpans* fProxyDraw;
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hsGMaterial* fProxyMat;
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UInt32 fProxyMsgType;
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hsTArray<UInt32> fProxyIndex;
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// These must be implemented by the specific type, so we know what to draw.
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virtual plDrawableSpans* ICreateProxy(hsGMaterial* mat, hsTArray<UInt32>& idx, plDrawableSpans* addTo=nil) = 0; // called by IGenerate
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virtual plKey IGetNode() const = 0;
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// Derived type should set fProxyMsgType as one of plProxyDrawMsg::types
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UInt32 IGetProxyMsgType() const { return fProxyMsgType; }
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// These are all fine by default.
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UInt32 IGetProxyIndex() const;
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UInt32 IGetDrawableType() const;
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virtual hsGMaterial* IMakeProxyMaterial() const;
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virtual hsGMaterial* IGetProxyMaterial() const; // will make material if needed.
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hsGMaterial* IFindProxyMaterial() const;
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virtual void IGenerateProxy();
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virtual void IApplyProxy(UInt32 drawIdx) const; // called by IGenerate
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virtual void IRemoveProxy(UInt32 drawIdx) const;
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virtual void IDestroyProxy();
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public:
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plProxyGen(const hsColorRGBA& amb, const hsColorRGBA& dif, hsScalar opac);
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virtual ~plProxyGen();
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virtual void SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l);
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virtual void SetDisable(hsBool on);
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virtual void Init(const hsKeyedObject* owner);
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virtual hsBool MsgReceive(plMessage* msg);
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};
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#endif // plProxyGen_inc
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