Engine directory for ticket #1

Engine/source/T3D/fx/cameraFXMgr.h

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+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#ifndef _CAMERAFXMGR_H_
+#define _CAMERAFXMGR_H_
+
+#ifndef _TORQUE_LIST_
+#include "core/util/tList.h"
+#endif
+#ifndef _MPOINT3_H_
+#include "math/mPoint3.h"
+#endif
+#ifndef _MMATRIX_H_
+#include "math/mMatrix.h"
+#endif
+
+//**************************************************************************
+// Abstract camera effect template
+//**************************************************************************
+class CameraFX
+{
+protected:
+   MatrixF  mCamFXTrans;
+   F32      mElapsedTime;
+   F32      mDuration;
+
+public:
+   CameraFX();
+
+   MatrixF &   getTrans(){ return mCamFXTrans; }
+   virtual bool isExpired(){ return mElapsedTime >= mDuration; }
+   void        setDuration( F32 duration ){ mDuration = duration; }
+
+   virtual void update( F32 dt );
+};
+
+//--------------------------------------------------------------------------
+// Camera shake effect
+//--------------------------------------------------------------------------
+class CameraShake : public CameraFX
+{
+   typedef CameraFX Parent;
+
+   VectorF mFreq;  // these are vectors to represent these values in 3D
+   VectorF mStartAmp;
+   VectorF mAmp;
+   VectorF mTimeOffset;
+   F32     mFalloff;
+
+public:
+
+   /// Is controlled by someone else, ignore duration and do not delete.
+   bool remoteControlled;
+   bool isAdded;
+
+   CameraShake();
+
+   void init();
+   void fadeAmplitude();
+   void setFalloff( F32 falloff ){ mFalloff = falloff; }
+   void setFrequency( VectorF &freq ){ mFreq = freq; }
+   void setAmplitude( VectorF &amp ){ mStartAmp = amp; }
+   bool isExpired();
+
+   virtual void update( F32 dt );
+};
+
+
+//**************************************************************************
+// CameraFXManager
+//**************************************************************************
+class CameraFXManager
+{
+   typedef CameraFX * CameraFXPtr;
+
+   MatrixF              mCamFXTrans;
+   typedef Torque::List<CameraFXPtr> CamFXList;
+   CamFXList mFXList;
+
+public:
+   void addFX( CameraFX *newFX );
+   void removeFX( CameraFX *fx );
+   void        clear();
+   MatrixF &   getTrans(){ return mCamFXTrans; }
+   void        update( F32 dt );
+
+   CameraFXManager();
+   ~CameraFXManager();
+};
+
+extern CameraFXManager gCamFXMgr;
+
+
+#endif