| 1 | /**********************************************************************
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| 2 | *<
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| 3 | FILE: modstack.h
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| 4 |
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| 5 | DESCRIPTION:
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| 6 |
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| 7 | CREATED BY: Rolf Berteig
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| 8 |
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| 9 | HISTORY: created January 20, 1996
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| 10 |
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| 11 | *> Copyright (c) 1994, All Rights Reserved.
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| 12 | **********************************************************************/
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| 13 |
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| 14 | #ifndef __MODSTACK__
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| 15 | #define __MODSTACK__
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| 16 |
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| 17 |
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| 18 | // These are the class IDs for object space derived objects and
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| 19 | // world space derived objects
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| 20 | extern CoreExport Class_ID derivObjClassID;
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| 21 | extern CoreExport Class_ID WSMDerivObjClassID;
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| 22 |
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| 23 |
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| 24 | class IDerivedObject : public Object {
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| 25 | public:
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| 26 | // Adds a modifier to the derived object.
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| 27 | // before = 0 :Place modifier at the end of the pipeline (top of stack)
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| 28 | // before = NumModifiers() :Place modifier at the start of the pipeline (bottom of stack)
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| 29 | virtual void AddModifier(Modifier *mod, ModContext *mc=NULL, int before=0)=0;
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| 30 | virtual void DeleteModifier(int index=0)=0;
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| 31 | virtual int NumModifiers()=0;
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| 32 |
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| 33 | // Searches down the pipeline for the base object (an object that is not a
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| 34 | // derived object). May step into other derived objects
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| 35 | virtual Object *FindBaseObject()=0;
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| 36 |
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| 37 | // Get and set the object that this derived object reference.
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| 38 | // This is the next object down in the stack and may be the base object.
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| 39 | virtual Object *GetObjRef()=0;
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| 40 | virtual RefResult ReferenceObject(Object *pob)=0;
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| 41 |
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| 42 | // Access the ith modifier.
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| 43 | virtual Modifier *GetModifier(int index)=0;
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| 44 |
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| 45 | // Replaces the ith modifier in the stack
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| 46 | virtual void SetModifier(int index, Modifier *mod)=0;
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| 47 |
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| 48 | // Access the mod context for the ith modifier
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| 49 | virtual ModContext* GetModContext(int index)=0;
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| 50 | };
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| 51 |
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| 52 | // Create a world space or object space derived object.
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| 53 | // If the given object pointer is non-NULL then the derived
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| 54 | // object will be set up to reference that object.
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| 55 | CoreExport IDerivedObject *CreateWSDerivedObject(Object *pob=NULL);
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| 56 | CoreExport IDerivedObject *CreateDerivedObject(Object *pob=NULL);
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| 57 |
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| 58 |
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| 59 | #endif //__MODSTACK__
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