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/**
* @file llmotioncontroller.h
* @brief Implementation of LLMotionController class.
*
* Copyright (c) 2001-$CurrentYear$, Linden Research, Inc.
* $License$
*/
#ifndef LL_LLMOTIONCONTROLLER_H
#define LL_LLMOTIONCONTROLLER_H
//-----------------------------------------------------------------------------
// Header files
//-----------------------------------------------------------------------------
#include <string>
#include <map>
#include <deque>
#include "lluuidhashmap.h"
#include "llmotion.h"
#include "llpose.h"
#include "llframetimer.h"
#include "llstatemachine.h"
#include "llstring.h"
//-----------------------------------------------------------------------------
// Class predeclaration
// This is necessary because llcharacter.h includes this file.
//-----------------------------------------------------------------------------
class LLCharacter;
//-----------------------------------------------------------------------------
// LLMotionRegistry
//-----------------------------------------------------------------------------
typedef LLMotion*(*LLMotionConstructor)(const LLUUID &id);
class LLMotionTableEntry
{
public:
LLMotionTableEntry();
LLMotionTableEntry(LLMotionConstructor constructor, const LLUUID& id);
~LLMotionTableEntry(){};
LLMotion* create(const LLUUID& id);
static BOOL uuidEq(const LLUUID &uuid, const LLMotionTableEntry &id_pair)
{
if (uuid == id_pair.mID)
{
return TRUE;
}
return FALSE;
}
const LLUUID& getID() { return mID; }
protected:
LLMotionConstructor mConstructor;
LLUUID mID;
};
class LLMotionRegistry
{
public:
// Constructor
LLMotionRegistry();
// Destructor
~LLMotionRegistry();
// adds motion classes to the registry
// returns true if successfull
BOOL addMotion( const LLUUID& id, LLMotionConstructor create);
// creates a new instance of a named motion
// returns NULL motion is not registered
LLMotion *createMotion( const LLUUID &id );
// initialization of motion failed, don't try to create this motion again
void markBad( const LLUUID& id );
protected:
LLUUIDHashMap<LLMotionTableEntry, 32> mMotionTable;
};
//-----------------------------------------------------------------------------
// class LLMotionController
//-----------------------------------------------------------------------------
class LLMotionController
{
public:
typedef std::list<LLMotion*> motion_list_t;
typedef std::set<LLMotion*> motion_set_t;
public:
// Constructor
LLMotionController();
// Destructor
virtual ~LLMotionController();
// set associated character
// this must be called exactly once by the containing character class.
// this is generally done in the Character constructor
void setCharacter( LLCharacter *character );
// registers a motion with the controller
// (actually just forwards call to motion registry)
// returns true if successfull
BOOL addMotion( const LLUUID& id, LLMotionConstructor create );
// creates a motion from the registry
LLMotion *createMotion( const LLUUID &id );
// unregisters a motion with the controller
// (actually just forwards call to motion registry)
// returns true if successfull
void removeMotion( const LLUUID& id );
// start motion
// begins playing the specified motion
// returns true if successful
BOOL startMotion( const LLUUID &id, F32 start_offset );
// stop motion
// stops a playing motion
// in reality, it begins the ease out transition phase
// returns true if successful
BOOL stopMotionLocally( const LLUUID &id, BOOL stop_immediate );
// update motions
// invokes the update handlers for each active motion
// activates sequenced motions
// deactivates terminated motions`
void updateMotion();
// flush motions
// releases all motion instances
void flushAllMotions();
// pause and continue all motions
void pause();
void unpause();
BOOL isPaused() { return mPaused; }
void setTimeStep(F32 step);
void setTimeFactor(F32 time_factor);
F32 getTimeFactor() { return mTimeFactor; }
motion_list_t& getActiveMotions() { return mActiveMotions; }
//protected:
bool isMotionActive( LLMotion *motion );
bool isMotionLoading( LLMotion *motion );
LLMotion *findMotion( const LLUUID& id );
protected:
void deleteAllMotions();
void addLoadedMotion(LLMotion *motion);
BOOL activateMotion(LLMotion *motion, F32 time);
BOOL deactivateMotion(LLMotion *motion);
void updateRegularMotions();
void updateAdditiveMotions();
void resetJointSignatures();
void updateMotionsByType(LLMotion::LLMotionBlendType motion_type);
protected:
F32 mTimeFactor;
static LLMotionRegistry sRegistry;
LLPoseBlender mPoseBlender;
LLCharacter *mCharacter;
// Life cycle of an animation:
//
// Animations are instantiated and immediately put in the mAllMotions map for their entire lifetime.
// If the animations depend on any asset data, the appropriate data is fetched from the data server,
// and the animation is put on the mLoadingMotions list.
// Once an animations is loaded, it will be initialized and put on the mLoadedMotions deque.
// Any animation that is currently playing also sits in the mActiveMotions list.
std::map<LLUUID, LLMotion*> mAllMotions;
motion_set_t mLoadingMotions;
motion_list_t mLoadedMotions;
motion_list_t mActiveMotions;
LLFrameTimer mTimer;
F32 mTime;
F32 mTimeOffset;
F32 mLastTime;
BOOL mHasRunOnce;
BOOL mPaused;
F32 mTimeStep;
S32 mTimeStepCount;
F32 mLastInterp;
F32 mPauseTime;
U8 mJointSignature[2][LL_CHARACTER_MAX_JOINTS];
};
//-----------------------------------------------------------------------------
// Class declaractions
//-----------------------------------------------------------------------------
#include "llcharacter.h"
#endif // LL_LLMOTIONCONTROLLER_H
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