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Torque/SDK/lib/maxsdk31/IComponent.h

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+/**********************************************************************
+ *<
+	FILE: IComponent.h
+
+	DESCRIPTION:  An interface representing the composite pattern.
+
+	CREATED BY: John Hutchinson
+
+	HISTORY: created 9/1/98
+
+ *>	Copyright (c) 1994, All Rights Reserved.
+ **********************************************************************/
+#ifndef _ICOMP
+#define _ICOMP
+
+/* 
+The composite pattern relies on a common interface for leaves and composites.
+This class embodies that commonality. Classes which realize this interface 
+will generally be of two forms: composites and leaves. A composite will 
+implement its methods by iterating over its components and making a recursive
+call. A leaf will actually do something. 
+
+*/
+class ComponentIterator;
+class INode;
+class Object;
+
+class IComponent {
+public:
+	virtual void DisposeTemporary() = 0;
+	virtual void Remove(ComponentIterator& c) = 0;
+	virtual void Add(TimeValue t, Object* obj, TSTR objname, Matrix3& oppTm, Matrix3& boolTm, Matrix3& parTM, Control* opCont = NULL) = 0;
+	virtual void Add(TimeValue t, INode *node, Matrix3& boolTm, bool delnode = true) = 0;
+
+	virtual ComponentIterator * MakeIterator() /*const*/ = 0;
+	virtual ComponentIterator * MakeReverseIterator() /*const*/ = 0;
+
+	virtual Object* MakeLeaf(Object* o) = 0;
+	virtual bool IsLeaf() const = 0;
+
+	virtual void SelectOp(int which, BOOL selected) = 0;
+	virtual void ClearSelection() = 0;
+	virtual int GetSubSelectionCount() = 0;
+};
+
+
+class ComponentIterator {
+public:
+	virtual void First() = 0;
+	virtual void Next() = 0;
+	virtual bool IsDone() /*const*/ = 0; //Should be const but we want to call nonconst methods from within
+	virtual int SubObjIndex() = 0;
+	virtual IComponent* GetComponent(void** ipp = NULL, ULONG iid = I_BASEOBJECT) const = 0;
+	//Note: this object may be dynamically allocated. Calls must 
+	//be matched with calls to DisposeTemporary()
+
+	virtual Object* GetComponentObject() const = 0;
+	virtual INode* GetComponentINode(INode *node) const = 0;
+	virtual void DisposeComponentINode(INode *node) const = 0;
+	virtual Control* GetComponentControl() const = 0;//This need not be released
+	virtual bool Selected() const = 0;//is the corresponding component selected?
+	virtual bool Hidden() const = 0;//is the corresponding component hidden?
+	virtual void DeleteThis() = 0;
+	
+	//JH 4/12/99 Adding some methods for better display control
+	virtual bool WantsDisplay(DWORD flags) = 0;
+	virtual Point3 DisplayColor(DWORD flags, INode* n = NULL, GraphicsWindow* gw = NULL) = 0;
+protected:
+	virtual bool ValidIndex(int which) const = 0;
+};
+
+class CompositeClassDesc: public ClassDesc
+{
+public:
+	virtual int				NumValenceTypes(){return 0;}
+	virtual Class_ID		GetValenceClassID(int which) {return Class_ID(0,0);}
+};
+
+#endif //_ICOMP