CWE-ou-minkata/Sources/Plasma/NucleusLib/pnSceneObject/plDrawInterface.h

/*==LICENSE==*

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*==LICENSE==*/

#ifndef plDrawInterface_inc
#define plDrawInterface_inc

#include "plObjInterface.h"

class plDrawable;
class hsStream;
class hsResMgr;
struct hsMatrix44;
class hsBounds3Ext;
class hsGMaterial;
class plParticleEmitter;

class plDrawInterface : public plObjInterface
{
public:
    // Props inc by 1 (bit shift in bitvector).
    enum plDrawProperties {
        kDisable                = 0,

        kNumProps               // last in the list
    };
    enum {
        kRefVisRegion
    };

protected:
    hsTArray<plDrawable*>       fDrawables;
    hsTArray<uint32_t>            fDrawableIndices;

    hsTArray<hsKeyedObject*>    fRegions;

    void ISetVisRegions(int iDraw);
    void ISetVisRegion(hsKeyedObject* ref, hsBool on);
    void ISetDrawable(uint8_t which, plDrawable* dr);
    void IRemoveDrawable(plDrawable* dr);
    void ISetSceneNode(plKey newNode);
    virtual void ICheckDrawableIndex(uint8_t which);

    friend class plSceneObject;

public:
    plDrawInterface();
    virtual ~plDrawInterface();

    CLASSNAME_REGISTER( plDrawInterface );
    GETINTERFACE_ANY( plDrawInterface, plObjInterface );

    virtual void Read(hsStream* stream, hsResMgr* mgr);
    virtual void Write(hsStream* stream, hsResMgr* mgr);

    void        SetProperty(int prop, hsBool on);
    int32_t       GetNumProperties() const { return kNumProps; }

    // Transform settable only, if you want it get it from the coordinate interface.
    void        SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l);

    // Bounds are gettable only, they are computed on the drawable.
    const hsBounds3Ext GetLocalBounds() const;
    const hsBounds3Ext GetWorldBounds() const;
    const hsBounds3Ext GetMaxWorldBounds() const;

    virtual hsBool MsgReceive(plMessage* msg);

    virtual void    ReleaseData( void );

    /// Funky particle system functions
    void    SetUpForParticleSystem( uint32_t maxNumEmitters, uint32_t maxNumParticles, hsGMaterial *material, hsTArray<plKey>& lights );
    void    ResetParticleSystem( void );
    void    AssignEmitterToParticleSystem( plParticleEmitter *emitter );

    /// EXPORT-ONLY
    void    SetDrawable(uint8_t which, plDrawable* dr);
    plDrawable* GetDrawable( uint8_t which ) const { return which < fDrawables.GetCount() ? fDrawables[which] : nil; }
    uint32_t  GetNumDrawables() const { return fDrawables.GetCount(); }
    // Sets the triMesh index to be used when referring to our spans in the drawable
    void    SetDrawableMeshIndex( uint8_t which, uint32_t index );
    uint32_t  GetDrawableMeshIndex( uint8_t which ) const { return which < fDrawableIndices.GetCount() ? fDrawableIndices[which] : uint32_t(-1); }
};


#endif // plDrawInterface_inc