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# cstool/userrndbuf.h

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    00001 /*
    00002     Copyright (C) 2003 by Philipp Aumayr
    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_CSTOOL_USERRNDBUF_H__
    00020 #define __CS_CSTOOL_USERRNDBUF_H__
    00021
    00026 #include "csextern.h"
    00027
    00028 #include "csutil/scf.h"
    00029 #include "csutil/strset.h"
    00030
    00031 struct iRenderBuffer;
    00032
    00036 struct iUserRenderBufferIterator : public virtual iBase
    00037 {
    00038   SCF_INTERFACE(iUserRenderBufferIterator, 2,0,0);
    00040   virtual bool HasNext() = 0;
    00042   virtual csStringID Next (csRef<iRenderBuffer>* buf = 0) = 0;
    00044   virtual void Reset() = 0;
    00045 };
    00046
    00051 class CS_CRYSTALSPACE_EXPORT csUserRenderBufferManager
    00052 {
    00053   struct userbuffer
    00054   {
    00055     csRef<iRenderBuffer> buf;
    00056     csStringID name;
    00057   };
    00058   class UserBufArrayCmp : public csArrayCmp<userbuffer, csStringID>
    00059   {
    00060     static int BufKeyCompare (userbuffer const& b, csStringID const& k)
    00061     {
    00062       return b.name - k;
    00063     }
    00064   public:
    00065     UserBufArrayCmp (csStringID key) :
    00066       csArrayCmp<userbuffer, csStringID> (key, &BufKeyCompare)
    00067     {
    00068     }
    00069   };
    00070   static int BufCompare (userbuffer const& r, userbuffer const& k);
    00071
    00072   csArray<userbuffer> userBuffers;
    00073 public:
    00075   iRenderBuffer* GetRenderBuffer (csStringID name) const;
    00080   bool AddRenderBuffer (csStringID name, iRenderBuffer* buffer);
    00085   bool RemoveRenderBuffer (csStringID name);
    00086
    00087   csRef<iUserRenderBufferIterator> GetBuffers() const;
    00088 };
    00089
    00090 #endif // __CS_CSTOOL_USERRNDBUF_H__