CWE-ou-minkata/Sources/Plasma/PubUtilLib/plAvatar/plAvTaskBrain.h

/*==LICENSE==*

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*==LICENSE==*/
#ifndef plAvTaskBrain_h
#define plAvTaskBrain_h

/////////////////////////////////////////////////////////////////////////////////////////
//
// INCLUDES
//
/////////////////////////////////////////////////////////////////////////////////////////
#include "plAvTask.h"

/////////////////////////////////////////////////////////////////////////////////////////
//
// DEFINITIONS
//
/////////////////////////////////////////////////////////////////////////////////////////

/** \class plAvTaskBrain
	Push a new brain onto the avatar or pull an old brain off.
	If a brain is supplied, it's a push. Otherwise it's a pull.
*/
class plAvTaskBrain : public plAvTask
{
public:
	/** Default constructor. Used as is, will function as a pop brain message. */
	plAvTaskBrain();
	/** Constructor for a push configuration. If the brain is non, nil, it 
		will be pushed onto the receiving avatar when the task is dequeued.
		If the brain is nil, the current brain will be popped. */
	plAvTaskBrain(plArmatureBrain *brain);
	virtual ~plAvTaskBrain();

	// task protocol
	virtual hsBool Start(plArmatureMod *avatar, plArmatureBrain *brain, double time, hsScalar elapsed);
	virtual void Finish(plArmatureMod *avatar, plArmatureBrain *brain, double time, hsScalar elapsed);
		
	/** dump descriptive stuff to the given debug text */
	virtual void DumpDebug(const char *name, int &x, int&y, int lineHeight, char *strBuf, plDebugText &debugTxt);

	plArmatureBrain *GetBrain();

	CLASSNAME_REGISTER( plAvTaskBrain );
	GETINTERFACE_ANY( plAvTaskBrain, plAvTask );

	/** Read the task from a stream. Not all tasks need to read/write, so the base implementation
		gives a warning to expose tasks that are being read/written unexpectedly. */
	virtual void Read(hsStream *stream, hsResMgr *mgr);

	/** Write the task to a stream. Not all tasks need to read/write, so the base implementation
		gives a warning to expose tasks that are being read/written unexpectedly. */
	virtual void Write(hsStream *stream, hsResMgr *mgr);
protected:
	plArmatureBrain *fBrain;
};

#endif