Engine directory for ticket #1

Engine/source/T3D/pathCamera.h

@@ -0,0 +1,129 @@
+//-----------------------------------------------------------------------------
+// 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 _PATHCAMERA_H_
+#define _PATHCAMERA_H_
+
+#ifndef _SHAPEBASE_H_
+#include "T3D/shapeBase.h"
+#endif
+
+#ifndef _CAMERASPLINE_H_
+#include "T3D/cameraSpline.h"
+#endif
+
+
+//----------------------------------------------------------------------------
+struct PathCameraData: public ShapeBaseData {
+   typedef ShapeBaseData Parent;
+
+   //
+   DECLARE_CONOBJECT(PathCameraData);
+   static void consoleInit();
+   static void initPersistFields();
+   virtual void packData(BitStream* stream);
+   virtual void unpackData(BitStream* stream);
+};
+
+
+//----------------------------------------------------------------------------
+class PathCamera: public ShapeBase
+{
+public:
+   enum State {
+      Forward,
+      Backward,
+      Stop,
+      StateBits = 3
+   };
+
+private:
+   typedef ShapeBase Parent;
+
+   enum MaskBits {
+      WindowMask     = Parent::NextFreeMask,
+      PositionMask   = Parent::NextFreeMask + 1,
+      TargetMask     = Parent::NextFreeMask + 2,
+      StateMask      = Parent::NextFreeMask + 3,
+      NextFreeMask   = Parent::NextFreeMask << 1
+   };
+
+   struct StateDelta {
+      F32 time;
+      F32 timeVec;
+   };
+   StateDelta delta;
+
+   enum Constants {
+      NodeWindow = 128    // Maximum number of active nodes
+   };
+
+   //
+   PathCameraData* mDataBlock;
+   CameraSpline mSpline;
+   S32 mNodeBase;
+   S32 mNodeCount;
+   F32 mPosition;
+   int mState;
+   F32 mTarget;
+   bool mTargetSet;
+
+   void interpolateMat(F32 pos,MatrixF* mat);
+   void advancePosition(S32 ms);
+
+public:
+   DECLARE_CONOBJECT(PathCamera);
+   
+   DECLARE_CALLBACK( void, onNode, (const char* node));
+
+   PathCamera();
+   ~PathCamera();
+   static void initPersistFields();
+   static void consoleInit();
+
+   void onEditorEnable();
+   void onEditorDisable();
+
+   bool onAdd();
+   void onRemove();
+   bool onNewDataBlock( GameBaseData *dptr, bool reload );
+   void onNode(S32 node);
+
+   void processTick(const Move*);
+   void interpolateTick(F32 dt);
+   void getCameraTransform(F32* pos,MatrixF* mat);
+
+   U32  packUpdate(NetConnection *, U32 mask, BitStream *stream);
+   void unpackUpdate(NetConnection *, BitStream *stream);
+
+   void reset(F32 speed = 1);
+   void pushFront(CameraSpline::Knot *knot);
+   void pushBack(CameraSpline::Knot *knot);
+   void popFront();
+
+   void setPosition(F32 pos);
+   void setTarget(F32 pos);
+   void setState(State s);
+};
+
+
+#endif