prj/cam/src/object/propman_.h

   1 /*
   2 @Copyright Looking Glass Studios, Inc.
   3 1996,1997,1998,1999,2000 Unpublished Work.
   4 */
   5
   6 // $Header: r:/t2repos/thief2/src/object/propman_.h,v 1.18 2000/01/29 13:24:39 adurant Exp $
   7 #pragma once
   8
   9 #ifndef PROPMAN__H
  10 #define PROPMAN__H
  11
  12
  13 #include <objtype.h>
  14 #include <lgassert.h>
  15 #include <dynarray.h>
  16 #include <hashset.h>
  17 #include <str.h>
  18 #include <aggmemb.h>
  19
  20 #include <dbasemsg.h>
  21
  22 #include <appagg.h>
  23 #include <propman.h>
  24
  25 class cNullProperty;
  26
  27 typedef cDynArray<IProperty*> PropArray;
  28 typedef cDynArray<PropertyID> PropIDArray;
  29
  30
  31 ////////////////////////////////////////////////////////////
  32 //
  33 // cPropertyManager
  34 //
  35 // The cPropertyManager is the one place that knows about all the
  36 // properties.  Only it has the ability to do things like iterate over
  37 // all properties, etc.
  38 //
  39 ////////////////////////////////////////////////////////////
  40
  41
  42 class cPropertyManager : public IPropertyManager
  43 {
  44    // Hash table mapping strings to Properties
  45    class cPropertyTable : public cStrIHashSet <IProperty *>
  46    {
  47    public:
  48       cPropertyTable () {};
  49       tHashSetKey GetKey (tHashSetNode node) const
  50       {
  51          return (tHashSetKey) (((IProperty *) (node))->Describe()->name);
  52       };
  53    };
  54
  55
  56    // We're going to be an aggregate member when we grow up
  57    DECLARE_AGGREGATION(cPropertyManager);
  58
  59 public:
  60    cPropertyManager (IUnknown* outer);  // constructor
  61    virtual ~cPropertyManager (); // destructor
  62
  63    // Find the Property with a given name, can return NULL
  64    STDMETHOD_(IProperty *,GetProperty) (PropertyID id) const;
  65    STDMETHOD_(IProperty *,GetPropertyNamed) (const char* name) const;
  66
  67
  68    // Notify the property system of an event
  69    STDMETHOD(Notify)(ePropertyNotifyMsg msg, PropNotifyData data);
  70
  71    // Iteration functions
  72    STDMETHOD(BeginIter)(struct sPropertyIter* iter);
  73    STDMETHOD_(IProperty*,NextIter)(struct sPropertyIter* iter);
  74
  75    //------------------------------------------------------------
  76    // Property system internal methods
  77    //
  78
  79 public:
  80    // Add a Property to the list being managed, return success
  81    // Sets id to be unique
  82    STDMETHOD_(BOOL,AddProperty)(IProperty *prop, PropertyID *id);
  83
  84    // Remove a Property from the list being managed, return success
  85    STDMETHOD_(BOOL,DelProperty)(IProperty *prop);
  86
  87    // Lookups that don't bump refcount
  88    IProperty* ByID (PropertyID id) const;
  89    IProperty* ByName (const char* name) const;
  90
  91 private:
  92    // Called when a property message is recieved.  Will be sent to appropriate prop for handling.
  93    static void NetworkMessageCallback(const sNetMsg_Generic *pMsg, ulong size, ObjID from, void *pClientData);
  94
  95    // Code shared by AddProperty and AddMetaProperty
  96    BOOL AddPropertyBase (IProperty * prop);
  97
  98    //----------------------------------------
  99    // Aggregate protocol
 100    //
 101
 102    HRESULT Init();
 103    HRESULT End();
 104
 105    //
 106    // Data members
 107    //
 108
 109    cPropertyTable name_hash_;    // mapping of names to Properties
 110    PropArray props_;  // mapping of IDs to properties
 111    PropIDArray sort_order_; // constrained sort order.
 112    PropIDArray begin_create_; // props that need begin create
 113    PropIDArray end_create_; // props that need end create
 114    PropIDArray load_obj_; // props that need load obj
 115
 116    cNullProperty* nullprop_;
 117    BOOL props_sorted_; // is sort_order valid?
 118 };
 119
 120
 121 #endif // PROPMAN__H
 122
 123
 124
 125