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Torque/SDK/lib/maxsdk40/IReagent.h

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+/**********************************************************************
+ *<
+	FILE: IReagent.h
+
+	DESCRIPTION: Declares a class of objects which react
+
+	CREATED BY:	John Hutchinson
+
+	HISTORY: Created January 9, 1999
+
+ *>	Copyright (c) 1994, All Rights Reserved.
+ **********************************************************************/
+#pragma once
+
+#include <IAggregation.h>
+class IAggregation;
+class IGeomImp;
+class IValence;
+class ValenceDescIterator;
+class IHost;
+
+class IReagent 
+{
+public:
+	//completes the construction process
+	virtual void InitializeSubstrate(INode* n) = 0;//completes the construction process
+
+	virtual IValence* OpenValence() = 0;
+	virtual void OpenValenceTM(TimeValue t, Matrix3& tm)= 0;
+	virtual int OpenValenceIndex() = 0;
+	virtual void CloseValence(IValence* val, bool done = false)= 0;
+	virtual int NumValenceTypes() = 0;
+	virtual Class_ID GetValenceClassID(int which) = 0;
+	//create a valence given a class descriptor and a node(used for its location)
+	//may create a new instance of this type
+	virtual IValence* PrepValence(ClassDesc* cd, INode* me, INode* loc) = 0;
+
+	//pass back the chemistry/geometry of the reagent viz-a-viz the current reaction
+	//Thus this excludes any pending reaction results.
+	//Currently we assumes one reaction at a time. Could pass a valence to identify which.
+	virtual IGeomImp* ReactionSite() = 0;
+};
+
+
+class IValence
+{
+public:
+	enum bondtype {
+		eStrongBond,//absorb the node
+			eWeakBond,//don't absorb the node
+	eTransientBond,//temporary but affect permanaent change to object stack
+	eTopicalBond};//unused but coneptually a weaker type of transient bonds which just copy node properties
+
+	//set up a controller and possibly record subobj hit data from the host
+	virtual Control* Locate(INode* host, INode *loc, Control* c, Matrix3& oldP, Matrix3& newP) = 0;//may clone the controller
+	virtual commitlevels Occupy(Object* obj) = 0;
+	virtual Object* Occupant()=0;
+	virtual bool Bind(TimeValue t, IGeomImp &complex_geom, Matrix3& tm, Interval iv, IHost* attentivehost = NULL, bool expedite = false) = 0;
+	virtual commitlevels Validate(TimeValue t, int action,  commitlevels current, Matrix3* tm) = 0;
+	virtual bondtype BondStrength()=0;
+	virtual void SetOwner(Object* owner)=0;
+	virtual void SetMaterialBase(int matidx) = 0;
+};
+
+/*
+class ValenceDescIterator
+{
+public:
+	ValenceDescIterator();
+	~ValenceDescIterator();
+
+	Class_ID First();
+	virtual bool IsDone();
+	Class_ID Next();
+private:
+	int m_current;
+};
+*/
+//mechanism to test compatibility needs to be done at the class descriptor level. 
+//Since this is what gets enumerated at the point prio to the valence getting created.