Differential D8762 Diff 28333 extern/bullet2/src/BulletSoftBody/btSoftBodySolvers.h

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extern/bullet2/src/BulletSoftBody/btSoftBodySolvers.h

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	3. This notice may not be removed or altered from any source distribution.			3. This notice may not be removed or altered from any source distribution.
	*/			*/

	#ifndef BT_SOFT_BODY_SOLVERS_H			#ifndef BT_SOFT_BODY_SOLVERS_H
	#define BT_SOFT_BODY_SOLVERS_H			#define BT_SOFT_BODY_SOLVERS_H

	#include "BulletCollision/CollisionShapes/btTriangleIndexVertexArray.h"			#include "BulletCollision/CollisionShapes/btTriangleIndexVertexArray.h"


	class btSoftBodyTriangleData;			class btSoftBodyTriangleData;
	class btSoftBodyLinkData;			class btSoftBodyLinkData;
	class btSoftBodyVertexData;			class btSoftBodyVertexData;
	class btVertexBufferDescriptor;			class btVertexBufferDescriptor;
	class btCollisionObject;			class btCollisionObject;
	class btSoftBody;			class btSoftBody;


	class btSoftBodySolver			class btSoftBodySolver
	{			{
	public:			public:
	enum SolverTypes			enum SolverTypes
	{			{
	DEFAULT_SOLVER,			DEFAULT_SOLVER,
	CPU_SOLVER,			CPU_SOLVER,
	CL_SOLVER,			CL_SOLVER,
	CL_SIMD_SOLVER,			CL_SIMD_SOLVER,
	DX_SOLVER,			DX_SOLVER,
	DX_SIMD_SOLVER			DX_SIMD_SOLVER,
				DEFORMABLE_SOLVER
	};			};


	protected:			protected:
	int m_numberOfPositionIterations;			int m_numberOfPositionIterations;
	int m_numberOfVelocityIterations;			int m_numberOfVelocityIterations;
	// Simulation timescale			// Simulation timescale
	float m_timeScale;			float m_timeScale;

	public:			public:
	btSoftBodySolver() :			btSoftBodySolver() : m_numberOfPositionIterations(10),
	m_numberOfPositionIterations( 10 ),
	m_timeScale( 1 )			m_timeScale(1)
	{			{
	m_numberOfVelocityIterations = 0;			m_numberOfVelocityIterations = 0;
	m_numberOfPositionIterations = 5;			m_numberOfPositionIterations = 5;
	}			}

	virtual ~btSoftBodySolver()			virtual ~btSoftBodySolver()
	{			{
	}			}

	/**			/**
	* Return the type of the solver.			* Return the type of the solver.
	*/			*/
	virtual SolverTypes getSolverType() const = 0;			virtual SolverTypes getSolverType() const = 0;


	/** Ensure that this solver is initialized. */			/** Ensure that this solver is initialized. */
	virtual bool checkInitialized() = 0;			virtual bool checkInitialized() = 0;

	/** Optimize soft bodies in this solver. */			/** Optimize soft bodies in this solver. */
	virtual void optimize( btAlignedObjectArray< btSoftBody * > &softBodies , bool forceUpdate=false) = 0;			virtual void optimize(btAlignedObjectArray<btSoftBody *> &softBodies, bool forceUpdate = false) = 0;

	/** Copy necessary data back to the original soft body source objects. */			/** Copy necessary data back to the original soft body source objects. */
	virtual void copyBackToSoftBodies(bool bMove = true) = 0;			virtual void copyBackToSoftBodies(bool bMove = true) = 0;

	/** Predict motion of soft bodies into next timestep */			/** Predict motion of soft bodies into next timestep */
	virtual void predictMotion( float solverdt ) = 0;			virtual void predictMotion(btScalar solverdt) = 0;

	/** Solve constraints for a set of soft bodies */			/** Solve constraints for a set of soft bodies */
	virtual void solveConstraints( float solverdt ) = 0;			virtual void solveConstraints(btScalar solverdt) = 0;

	/** Perform necessary per-step updates of soft bodies such as recomputing normals and bounding boxes */			/** Perform necessary per-step updates of soft bodies such as recomputing normals and bounding boxes */
	virtual void updateSoftBodies() = 0;			virtual void updateSoftBodies() = 0;

	/** Process a collision between one of the world's soft bodies and another collision object */			/** Process a collision between one of the world's soft bodies and another collision object */
	virtual void processCollision( btSoftBody , const struct btCollisionObjectWrapper ) = 0;			virtual void processCollision(btSoftBody , const struct btCollisionObjectWrapper ) = 0;

	/** Process a collision between two soft bodies */			/** Process a collision between two soft bodies */
	virtual void processCollision( btSoftBody, btSoftBody ) = 0;			virtual void processCollision(btSoftBody , btSoftBody ) = 0;

	/** Set the number of velocity constraint solver iterations this solver uses. */			/** Set the number of velocity constraint solver iterations this solver uses. */
	virtual void setNumberOfPositionIterations( int iterations )			virtual void setNumberOfPositionIterations(int iterations)
	{			{
	m_numberOfPositionIterations = iterations;			m_numberOfPositionIterations = iterations;
	}			}

	/** Get the number of velocity constraint solver iterations this solver uses. */			/** Get the number of velocity constraint solver iterations this solver uses. */
	virtual int getNumberOfPositionIterations()			virtual int getNumberOfPositionIterations()
	{			{
	return m_numberOfPositionIterations;			return m_numberOfPositionIterations;
	}			}

	/** Set the number of velocity constraint solver iterations this solver uses. */			/** Set the number of velocity constraint solver iterations this solver uses. */
	virtual void setNumberOfVelocityIterations( int iterations )			virtual void setNumberOfVelocityIterations(int iterations)
	{			{
	m_numberOfVelocityIterations = iterations;			m_numberOfVelocityIterations = iterations;
	}			}

	/** Get the number of velocity constraint solver iterations this solver uses. */			/** Get the number of velocity constraint solver iterations this solver uses. */
	virtual int getNumberOfVelocityIterations()			virtual int getNumberOfVelocityIterations()
	{			{
	return m_numberOfVelocityIterations;			return m_numberOfVelocityIterations;
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	/**			/**
	* Class to manage movement of data from a solver to a given target.			* Class to manage movement of data from a solver to a given target.
	* This version is abstract. Subclasses will have custom pairings for different combinations.			* This version is abstract. Subclasses will have custom pairings for different combinations.
	*/			*/
	class btSoftBodySolverOutput			class btSoftBodySolverOutput
	{			{
	protected:			protected:

	public:			public:
	btSoftBodySolverOutput()			btSoftBodySolverOutput()
	{			{
	}			}

	virtual ~btSoftBodySolverOutput()			virtual ~btSoftBodySolverOutput()
	{			{
	}			}


	/** Output current computed vertex data to the vertex buffers for all cloths in the solver. */			/** Output current computed vertex data to the vertex buffers for all cloths in the solver. */
	virtual void copySoftBodyToVertexBuffer( const btSoftBody * const softBody, btVertexBufferDescriptor *vertexBuffer ) = 0;			virtual void copySoftBodyToVertexBuffer(const btSoftBody const softBody, btVertexBufferDescriptor vertexBuffer) = 0;
	};			};


	#endif // #ifndef BT_SOFT_BODY_SOLVERS_H			#endif // #ifndef BT_SOFT_BODY_SOLVERS_H