tge/lib/maxsdk31/CompBase.h
2017-04-17 06:17:10 -06:00

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7.1 KiB
C++
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/**********************************************************************
*<
FILE: compbase.h
DESCRIPTION: A base class for components implemented as RefArrays
CREATED BY: John Hutchinson
HISTORY: created 9/1/98
*> Copyright (c) 1994, All Rights Reserved.
**********************************************************************/
#ifndef _COMPBASE
#define _COMPBASE
#include "RefArrayBase.h"
#include "Icomponent.h"
class CompositeBase : public RefArrayBase, public IComponent
{
protected:
int iSelLevel;
enum authority_context {eOpColor};
public:
CompositeBase():iSelLevel(0){};
// From Animatable
CoreExport void DeleteThis();
// CompositeBase now returns SHAPE_CLASS_ID for its SuperClassID when
// it only contains shapes. This allows an instance to behave more
// like a true shape if it only contains shapes. If you want to support
// this behavior, you'll need two ClassDesc's, one returning GEOM and
// one returning SHAPE for the super class id. They should both return
// the same class id. If you want to disable this behavior, override
// this method.
CoreExport SClass_ID SuperClassID();
// This is a flag that *should* be exported elsewhere in the SDK.
#define DISP_NODEFAULTCOLOR (1<<12)
// This is an additional flag that can be used by Display() and HitTest().
#define EDITOBJ_THIS (1 << (HITFLAG_STARTUSERBIT+1))
//This flag is used by hostcomposite when using special materilas in the viewport
//It needs to indicate that the material has been usurped and that the mesh
//should not be passed inode::NumMtls(), rather it should be passed 1.
#define DISP_NUMMATS_INVALID (1 << (HITFLAG_STARTUSERBIT+2))
// From BaseObject
CoreExport int Display(TimeValue t, INode* inode, ViewExp *vpt, int flags);
CoreExport int HitTest(TimeValue t, INode* inode, int type, int crossing, int flags, IPoint2 *p, ViewExp *vpt);
CoreExport void Snap(TimeValue t, INode* inode, SnapInfo *snap, IPoint2 *p, ViewExp *vpt);
CoreExport void GetWorldBoundBox(TimeValue t, INode *mat, ViewExp *vpt, Box3& box );
CoreExport void GetLocalBoundBox(TimeValue t, INode *mat, ViewExp *vpt, Box3& box );
// For sub-object selection
CoreExport void Move( TimeValue t, Matrix3& partm, Matrix3& tmAxis, Point3& val, BOOL localOrigin=FALSE);
CoreExport void Rotate( TimeValue t, Matrix3& partm, Matrix3& tmAxis, Quat& val, BOOL localOrigin=FALSE);
CoreExport void Scale( TimeValue t, Matrix3& partm, Matrix3& tmAxis, Point3& val, BOOL localOrigin=FALSE);
CoreExport int HitTest(TimeValue t, INode* inode, int type, int crossing, int flags, IPoint2 *p, ViewExp *vpt, ModContext* mc);
CoreExport int Display(TimeValue t, INode* inode, ViewExp *vpt, int flags, ModContext* mc);
CoreExport int SubObjectIndex(HitRecord *hitRec);
CoreExport void GetSubObjectCenters(SubObjAxisCallback *cb,TimeValue t,INode *node,ModContext *mc);
CoreExport void GetSubObjectTMs(SubObjAxisCallback *cb,TimeValue t,INode *node,ModContext *mc);
// From Object
CoreExport void GetDeformBBox(TimeValue t, Box3& box, Matrix3 *tm = NULL, BOOL useSel = FALSE );
CoreExport BOOL HasUVW();
CoreExport void SetGenUVW(BOOL sw);
CoreExport int CanConvertToType(Class_ID obtype);
CoreExport Object* ConvertToType(TimeValue t, Class_ID obtype);
CoreExport void GetCollapseTypes(Tab<Class_ID> &clist,Tab<TSTR*> &nlist);
CoreExport Class_ID PreferredCollapseType();
CoreExport int IntersectRay(TimeValue t, Ray& ray, float& at, Point3& norm);
CoreExport ObjectState Eval(TimeValue t);
// From GeomObject
CoreExport Mesh* GetRenderMesh(TimeValue t, INode *inode, View& view, BOOL& needDelete);
// From ShapeObject
CoreExport void SetRenderable(BOOL sw);
CoreExport void SetThickness(float t);
CoreExport void SetGenUVs(BOOL sw);
CoreExport int NumberOfVertices(TimeValue t, int curve = -1);
CoreExport int NumberOfCurves();
CoreExport BOOL CurveClosed(TimeValue t, int curve);
CoreExport Point3 InterpCurve3D(TimeValue t, int curve, float param, int ptype=PARAM_SIMPLE);
CoreExport Point3 TangentCurve3D(TimeValue t, int curve, float param, int ptype=PARAM_SIMPLE);
CoreExport float LengthOfCurve(TimeValue t, int curve);
CoreExport int NumberOfPieces(TimeValue t, int curve);
CoreExport Point3 InterpPiece3D(TimeValue t, int curve, int piece, float param, int ptype=PARAM_SIMPLE);
CoreExport Point3 TangentPiece3D(TimeValue t, int curve, int piece, float param, int ptype=PARAM_SIMPLE);
CoreExport MtlID GetMatID(TimeValue t, int curve, int piece);
CoreExport BOOL CanMakeBezier();
CoreExport void MakeBezier(TimeValue t, BezierShape &shape);
CoreExport void MakePolyShape(TimeValue t, PolyShape &shape, int steps = PSHAPE_BUILTIN_STEPS, BOOL optimize = FALSE);
CoreExport ShapeHierarchy &OrganizeCurves(TimeValue t, ShapeHierarchy *hier=NULL);
CoreExport int MakeCap(TimeValue t, MeshCapInfo &capInfo, int capType);
CoreExport int MakeCap(TimeValue t, PatchCapInfo &capInfo);
CoreExport BOOL AttachShape(TimeValue t, INode *thisNode, INode *attachNode, BOOL weldEnds=FALSE, float weldThreshold=0.0f);
// From RefArrayBase
CoreExport class IRefArray *Containee(void){return NULL;}
// Local methods
CoreExport virtual ObjectState EvalPipeObj(TimeValue t, Object* obj) = 0;
CoreExport virtual void CombineComponentMeshes(TimeValue t, Mesh& m) = 0;
CoreExport virtual void CombineComponentShapes(TimeValue t, BezierShape& Dest) = 0;
CoreExport virtual void CombineRenderMeshes(TimeValue t, INode *inode, View& view, Mesh& m) = 0;
CoreExport virtual bool HasOnlyShapeOperands(TimeValue t) = 0;
CoreExport virtual bool isCompositeAuthority(authority_context context, int contextflags);
CoreExport virtual bool IsAShape(Object *obj);
CoreExport void LockComponent();
CoreExport void UnlockComponent();
protected:
// Used by most ShapeObject methods.
CoreExport bool GetNextShape(ComponentIterator* iter, ShapeObject*& shape);
CoreExport bool CurveFound(int& curve, ComponentIterator* iter, ShapeObject*& shape);
};
//If you implement a component using the compbase class, then you can implement
//the iterator for it by deriving from the following class. The assumptions include:
// 1) The composite isa IRefArray
class CompositeIteratorBase: public ComponentIterator
{
protected:
long m_current;
public:
CoreExport CompositeIteratorBase() : m_current(0) {}
CoreExport virtual ~CompositeIteratorBase();
CoreExport virtual void First();
CoreExport virtual void Next();
CoreExport virtual bool IsDone() /*const*/;
CoreExport virtual int SubObjIndex() { return m_current; }
CoreExport virtual IComponent* GetComponent(void** ipp = NULL, ULONG iid = I_BASEOBJECT) const;
//Note: this object may be dynamically allocated. Calls must
//be matched with calls to DisposeTemporary()
CoreExport virtual void DeleteThis();
CoreExport virtual bool WantsDisplay(DWORD flags){return !Hidden();}
CoreExport virtual Point3 DisplayColor(DWORD flags, INode* n = NULL, GraphicsWindow* gw = NULL);
protected:
CoreExport virtual Object* GetCompositeObject() = 0;
CoreExport virtual const Object* GetCompositeObject() const = 0;
};
#endif //_COMPBASE