Engine directory for ticket #1

Engine/source/T3D/physics/physx/pxCloth.h

@@ -0,0 +1,176 @@
+//-----------------------------------------------------------------------------
+// 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 _PXCLOTH_H_
+#define _PXCLOTH_H_
+
+#ifndef _GAMEBASE_H_
+#include "T3D/gameBase/gameBase.h"
+#endif
+#ifndef _GFXPRIMITIVEBUFFER_H_
+#include "gfx/gfxPrimitiveBuffer.h"
+#endif
+#ifndef _GFXVERTEXBUFFER_H_
+#include "gfx/gfxVertexBuffer.h"
+#endif
+#ifndef _PHYSX_H_
+#include "T3D/physics/physx/px.h"
+#endif
+#ifndef _T3D_PHYSICS_PHYSICSPLUGIN_H_
+#include "T3D/physics/physicsPlugin.h"
+#endif
+
+class Material;
+class BaseMatInstance;
+class PxWorld;
+class NxScene;
+class NxClothMesh;
+class NxCloth;
+
+
+class PxCloth : public GameBase
+{
+   typedef GameBase Parent;
+
+   enum MaskBits 
+   {
+      TransformMask  = Parent::NextFreeMask << 0,
+      ClothMask      = Parent::NextFreeMask << 1,
+      MaterialMask   = Parent::NextFreeMask << 3,
+      NextFreeMask   = Parent::NextFreeMask << 4
+   };  
+
+public:
+
+   PxCloth();
+   virtual ~PxCloth();
+
+   DECLARE_CONOBJECT( PxCloth );      
+
+   // SimObject
+   virtual bool onAdd();
+   virtual void onRemove();
+   static void initPersistFields();
+   virtual void inspectPostApply();
+   void onPhysicsReset( PhysicsResetEvent reset );
+
+   // NetObject
+   virtual U32 packUpdate( NetConnection *conn, U32 mask, BitStream *stream );
+   virtual void unpackUpdate( NetConnection *conn, BitStream *stream );
+
+   // SceneObject
+   virtual void setTransform( const MatrixF &mat );
+   virtual void setScale( const VectorF &scale );
+   virtual void prepRenderImage( SceneRenderState *state );
+
+   // GameBase
+   virtual bool onNewDataBlock( GameBaseData *dptr, bool reload );
+   virtual void processTick( const Move *move );
+   virtual void interpolateTick( F32 delta );
+
+protected:
+
+   PxWorld *mWorld;
+
+   NxScene *mScene;
+
+   /// Cooked cloth collision mesh.
+   NxClothMesh *mClothMesh;
+
+   /// The cloth actor used 
+   NxCloth *mCloth;
+
+   NxMeshData mReceiveBuffers;
+
+   bool mBendingEnabled;
+   bool mDampingEnabled;
+   bool mTriangleCollisionEnabled;
+   bool mSelfCollisionEnabled;
+
+   F32 mDensity;
+   F32 mThickness;
+   F32 mFriction;
+   F32 mBendingStiffness;
+   F32 mStretchingStiffness;
+   F32 mDampingCoefficient;
+   F32 mCollisionResponseCoefficient;
+   F32 mAttachmentResponseCoefficient;
+
+   U32 mAttachmentMask;
+
+   static EnumTable mAttachmentFlagTable;
+
+   String mMaterialName;
+   SimObjectPtr<Material> mMaterial;
+   BaseMatInstance *mMatInst;
+
+   String lookupName;
+
+   /// The output verts from the PhysX simulation.
+   GFXVertexPNTT *mVertexRenderBuffer;
+
+   /// The output indices from the PhysX simulation.
+   U16 *mIndexRenderBuffer;
+
+   U32 mMaxVertices;
+   U32 mMaxIndices;
+
+   /// The number of indices in the cloth which
+   /// is updated by the PhysX simulation.
+   U32 mNumIndices;
+
+   /// The number of verts in the cloth which
+   /// is updated by the PhysX simulation.
+   U32 mNumVertices;
+
+   U32 mMeshDirtyFlags;
+   bool mIsVBDirty;
+
+   GFXPrimitiveBufferHandle mPrimBuffer;
+   GFXVertexBufferHandle<GFXVertexPNTT> mVB;
+
+   Point2I mPatchVerts; 
+   Point2F mPatchSize;
+
+   MatrixF mResetXfm;
+
+   void _initMaterial();
+
+   void _releaseMesh();
+   void _releaseCloth();
+
+   bool _createClothPatch();
+
+   void _recreateCloth( const MatrixF &transform );
+
+   void _updateClothProperties();
+
+   void _initClothMesh();
+   void _initReceiveBuffers();
+   void _setupAttachments();
+
+   void _updateStaticCloth();
+
+   void _updateVBIB();
+};
+
+#endif // _PXCLOTH_H_