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sharevar.h

00001 /*
00002     Copyright (C) 1998-2002 by Jorrit Tyberghein and Keith Fulton
00003 
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License as published by the Free Software Foundation; either
00007     version 2 of the License, or (at your option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public
00015     License along with this library; if not, write to the Free
00016     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 */
00018 
00019 #ifndef __CS_SHAREVAR_H__
00020 #define __CS_SHAREVAR_H__
00021 
00022 #include "csutil/nobjvec.h"
00023 #include "csutil/csstring.h"
00024 #include "csutil/csobject.h"
00025 #include "csutil/refarr.h"
00026 #include "iengine/sharevar.h"
00027 
00028 
00029 SCF_VERSION (csSharedVariable, 0, 0, 2);
00030 
00034 class csSharedVariable : public csObject
00035 {
00036 private:
00037   int   type;
00038   float value;
00039   csColor color;
00040   csVector3 vec;
00041   csRefArray<iSharedVariableListener> listeners;
00042 
00043   void FireListeners ();
00044 
00045 public:
00046 
00047   SCF_DECLARE_IBASE_EXT (csObject);
00048 
00053   csSharedVariable () : csObject()
00054   { 
00055     SCF_CONSTRUCT_EMBEDDED_IBASE (scfiSharedVariable);
00056     value = 0;
00057     type = iSharedVariable::SV_UNKNOWN;
00058   }
00059 
00060   void Set (float val)
00061   {
00062     value = val;
00063     type = iSharedVariable::SV_FLOAT;
00064     FireListeners ();
00065   }
00066   
00067   float Get () const
00068   {
00069     return (type == iSharedVariable::SV_FLOAT) ? value : 0;
00070   }
00071   
00072   void SetColor (const csColor& col)
00073   {
00074     color.Set(col.red,col.green,col.blue);
00075     type = iSharedVariable::SV_COLOR;
00076     FireListeners ();
00077   }
00078 
00079   const csColor& GetColor() const
00080   {
00081     return (type == iSharedVariable::SV_COLOR)
00082         ? color
00083         : csColor (0,0,0),color;
00084   }
00085 
00086   void SetVector (const csVector3& v)
00087   {
00088     vec = v;
00089     type = iSharedVariable::SV_VECTOR;
00090     FireListeners ();
00091   }
00092 
00093   const csVector3& GetVector() const
00094   {
00095     return (type == iSharedVariable::SV_VECTOR) ? vec : csVector3 (0,0,0),vec;
00096   }
00097 
00098   int GetType () const
00099   {
00100     return type;
00101   }
00102 
00103   void AddListener (iSharedVariableListener* listener)
00104   {
00105     listeners.Push (listener);
00106   }
00107 
00108   void RemoveListener (iSharedVariableListener* listener)
00109   {
00110     listeners.Delete (listener);
00111   }
00112 
00113   //---------------------- iSharedVariable interface --------------------------
00114   struct eiSharedVariable : public iSharedVariable
00115   {
00116     SCF_DECLARE_EMBEDDED_IBASE (csSharedVariable);
00117 
00118     virtual iObject* QueryObject () { return scfParent; }
00119     virtual void Set(float val)
00120     { scfParent->Set(val); }
00121     virtual float Get() const
00122     { return scfParent->Get(); }
00123     virtual void SetName (const char *iName)
00124     { scfParent->SetName(iName); }
00125     virtual const char *GetName () const
00126     { return scfParent->GetName(); }
00127     virtual void SetColor (const csColor& color)
00128     { scfParent->SetColor (color); }
00129     virtual const csColor& GetColor() const
00130     { return scfParent->GetColor(); }
00131     virtual void SetVector (const csVector3& v)
00132     { scfParent->SetVector (v); }
00133     virtual const csVector3& GetVector () const
00134     { return scfParent->GetVector (); }
00135     int GetType () const
00136     { return scfParent->GetType (); }
00137     virtual void AddListener (iSharedVariableListener* listener)
00138     {
00139       scfParent->AddListener (listener);
00140     }
00141     virtual void RemoveListener (iSharedVariableListener* listener)
00142     {
00143       scfParent->RemoveListener (listener);
00144     }
00145   } scfiSharedVariable;
00146   friend struct eiSharedVariable;
00147 };
00148 
00150 class csSharedVariableList : public csRefArrayObject<iSharedVariable>
00151 {
00152 public:
00153   SCF_DECLARE_IBASE;
00154 
00156   csSharedVariableList ();
00158   virtual ~csSharedVariableList ();
00159 
00161   csPtr<iSharedVariable> New() const;
00162 
00163   class SharedVariableList : public iSharedVariableList
00164   {
00165   public:
00166     SCF_DECLARE_EMBEDDED_IBASE (csSharedVariableList);
00167 
00168     virtual int GetCount () const;
00169     virtual iSharedVariable *Get (int n) const;
00170     virtual int Add (iSharedVariable *obj);
00171     virtual bool Remove (iSharedVariable *obj);
00172     virtual bool Remove (int n);
00173     virtual void RemoveAll ();
00174     virtual int Find (iSharedVariable *obj) const;
00175     virtual iSharedVariable *FindByName (const char *Name) const;
00176     virtual csPtr<iSharedVariable> New() const
00177     { return scfParent->New(); }
00178   } scfiSharedVariableList;
00179 };
00180 
00181 #endif // __CS_SHAREVAR_H__
00182 

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