CWE-ou-minkata/Sources/Plasma/FeatureLib/pfAnimation/plRandomCommandMod.h

/*==LICENSE==*

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*==LICENSE==*/

#ifndef plRandomCommandMod_inc
#define plRandomCommandMod_inc

#include "pnModifier/plSingleModifier.h"
#include "hsTemplates.h"

class plRandomCommandMod : public plSingleModifier
{
public:
    enum {
        kNormal             = 0x0,  // randomly select the next
        kNoRepeats          = 0x1,  // random, but no cmd twice in a row
        kCoverall           = 0x2,  // random, but no cmd played twice till all cmds played
        kOneCycle           = 0x4,  // after playing through all cmds, stop
        kOneCmd             = 0x8,  // after playing a random cmd, stop until started again.
        kDelayFromEnd       = 0x10,
        kSequential         = 0x20
    };

    enum {
        kStopped            = 0x1
    };
protected:

    // These are only lightly synched, the only synched state is whether
    // they are currently active.
    uint8_t                           fState;

    hsBitVector                     fExcluded;
    int8_t                            fCurrent;
    uint8_t                           fMode; // static, if it becomes dynamic, move to SynchedValue
    hsTArray<double>                fEndTimes;

    float                        fMinDelay;
    float                        fMaxDelay;
    
    void            IStart();
    virtual void    IStop();
    bool            IStopped() const { return hsCheckBits(fState, kStopped); }
    void            IRetry(float secs);
    virtual void    IPlayNextIfMaster();

    void            IReset();
    
    float        IGetDelay(float len) const;      
    
    int             IExcludeSelections(int ncmds);
    bool            ISelectNext(int nAnim); // return false if we should stop, else set fCurrent to next index

    // Once fCurrent is set to the next animation index to play, 
    // IPlayNext() does whatever it takes to actually play it.
    virtual void        IPlayNext() = 0;

    // We only act in response to messages.
    virtual bool IEval(double secs, float del, uint32_t dirty) { return false; }

public:
    plRandomCommandMod();
    ~plRandomCommandMod();

    CLASSNAME_REGISTER( plRandomCommandMod );
    GETINTERFACE_ANY( plRandomCommandMod, plSingleModifier );

    virtual bool MsgReceive(plMessage* pMsg);
    
    virtual void Read(hsStream* s, hsResMgr* mgr);
    virtual void Write(hsStream* s, hsResMgr* mgr);

    // Export only
    void    SetMode(uint8_t m) { fMode = m; }
    uint8_t GetMode() const { return fMode; }

    void    SetState(uint8_t s) { fState = s; }
    uint8_t GetState() const { return fState; }

    void    SetMinDelay(float f) { fMinDelay = f; }
    float   GetMinDelay() const { return fMinDelay; }

    void    SetMaxDelay(float f) { fMaxDelay = f; }
    float   GetMaxDelay() const { return fMaxDelay; }
};


#endif // plRandomCommandMod_inc