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sprbuild.h

00001 /*
00002     Copyright (C) 2001 by Martin Geisse <mgeisse@gmx.net>
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_SPRBUILD_H__
00020 #define __CS_SPRBUILD_H__
00021 
00022 #include "csextern.h"
00023 
00024 #include "csutil/csstring.h"
00025 #include "csutil/ref.h"
00026 
00027 class csVector3;
00028 class csVector2;
00029 struct iModelDataMaterial;
00030 struct iModelDataObject;
00031 struct iSprite3DFactoryState;
00032 struct iSpriteFrame;
00033 struct iSpriteAction;
00034 struct iDataBuffer;
00035 
00041 class CS_CRYSTALSPACE_EXPORT csSpriteBuilder
00042 {
00043 public:
00044   virtual ~csSpriteBuilder () { }
00045 
00046   // begin the build process
00047   virtual void Begin () = 0;
00048   // finish the build process
00049   virtual void Finish () = 0;
00050   // store a triangle
00051   virtual void StoreTriangle (int a, int b, int c) = 0;
00052   // store the material
00053   virtual void StoreMaterial (iModelDataMaterial *mat) = 0;
00054   // store the frame information. Returns the number of existing frames.
00055   virtual int StoreFrameInfo (int FrameCount, int VertexCount) = 0;
00056   // set mixing mode to tiling
00057   virtual void EnableTiling () = 0;
00058 
00059   // begin a frame
00060   virtual void BeginFrame (int Num) = 0;
00061   // finish a frame
00062   virtual void FinishFrame () = 0;
00063   // add a vertex
00064   virtual void AddVertex (const csVector3 &pos, const csVector3 &nrm,
00065         const csVector2 &tex) = 0;
00066 
00067   // begin an action
00068   virtual void BeginAction (const char *Name) = 0;
00069   // finish an action
00070   virtual void FinishAction () = 0;
00071   // store an action frame
00072   virtual void StoreActionFrame (int Frame, csTicks Delay,
00073         float displacement) = 0;
00074 
00075   // Build a sprite
00076   bool Build (iModelDataObject *Input);
00077 };
00078 
00080 class CS_CRYSTALSPACE_EXPORT csSpriteBuilderFile : private csSpriteBuilder
00081 {
00082 private:
00083   csString Out;
00084 
00085   virtual void Begin ();
00086   virtual void Finish ();
00087   virtual void StoreTriangle (int a, int b, int c);
00088   virtual void StoreMaterial (iModelDataMaterial *mat);
00089   virtual int StoreFrameInfo (int FrameCount, int VertexCount);
00090   virtual void EnableTiling ();
00091   virtual void BeginFrame (int Num);
00092   virtual void FinishFrame ();
00093   virtual void AddVertex (const csVector3 &pos, const csVector3 &nrm,
00094         const csVector2 &tex);
00095   virtual void BeginAction (const char *Name);
00096   virtual void FinishAction ();
00097   virtual void StoreActionFrame (int Frame, csTicks Delay, float displacement);
00098 
00099 public:
00100   csPtr<iDataBuffer> Build (iModelDataObject *Input);
00101 };
00102 
00104 class CS_CRYSTALSPACE_EXPORT csSpriteBuilderMesh : private csSpriteBuilder
00105 {
00106 private:
00107   iSprite3DFactoryState *Out;
00108   iSpriteFrame *CurrentFrame;
00109   int CurrentFrameNum, CurrentVertexNum;
00110   iSpriteAction *CurrentAction;
00111 
00112   virtual void Begin ();
00113   virtual void Finish ();
00114   virtual void StoreTriangle (int a, int b, int c);
00115   virtual void StoreMaterial (iModelDataMaterial *mat);
00116   virtual int StoreFrameInfo (int FrameCount, int VertexCount);
00117   virtual void EnableTiling ();
00118   virtual void BeginFrame (int Num);
00119   virtual void FinishFrame ();
00120   virtual void AddVertex (const csVector3 &pos, const csVector3 &nrm,
00121         const csVector2 &tex);
00122   virtual void BeginAction (const char *Name);
00123   virtual void FinishAction ();
00124   virtual void StoreActionFrame (int Frame, csTicks Delay, float displacement);
00125 
00126 public:
00127   bool Build (iModelDataObject *Input, iSprite3DFactoryState *Output);
00128 };
00129 
00130 #endif // __CS_SPRBUILD_H__

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