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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 "csutil/csstring.h"
00023 
00024 class csVector3;
00025 class csVector2;
00026 struct iModelDataMaterial;
00027 struct iModelDataObject;
00028 struct iSprite3DFactoryState;
00029 struct iSpriteFrame;
00030 struct iSpriteAction;
00031 struct iDataBuffer;
00032 
00038 class csSpriteBuilder
00039 {
00040 public:
00041   virtual ~csSpriteBuilder () { }
00042 
00043   // begin the build process
00044   virtual void Begin () = 0;
00045   // finish the build process
00046   virtual void Finish () = 0;
00047   // store a triangle
00048   virtual void StoreTriangle (int a, int b, int c) = 0;
00049   // store the material
00050   virtual void StoreMaterial (iModelDataMaterial *mat) = 0;
00051   // store the frame information. Returns the number of existing frames.
00052   virtual int StoreFrameInfo (int FrameCount, int VertexCount) = 0;
00053   // set mixing mode to tiling
00054   virtual void EnableTiling () = 0;
00055 
00056   // begin a frame
00057   virtual void BeginFrame (int Num) = 0;
00058   // finish a frame
00059   virtual void FinishFrame () = 0;
00060   // add a vertex
00061   virtual void AddVertex (const csVector3 &pos, const csVector3 &nrm,
00062         const csVector2 &tex) = 0;
00063 
00064   // begin an action
00065   virtual void BeginAction (const char *Name) = 0;
00066   // finish an action
00067   virtual void FinishAction () = 0;
00068   // store an action frame
00069   virtual void StoreActionFrame (int Frame, csTicks Delay,
00070         float displacement) = 0;
00071 
00072   // Build a sprite
00073   bool Build (iModelDataObject *Input);
00074 };
00075 
00077 class csSpriteBuilderFile : private csSpriteBuilder
00078 {
00079 private:
00080   csString Out;
00081 
00082   virtual void Begin ();
00083   virtual void Finish ();
00084   virtual void StoreTriangle (int a, int b, int c);
00085   virtual void StoreMaterial (iModelDataMaterial *mat);
00086   virtual int StoreFrameInfo (int FrameCount, int VertexCount);
00087   virtual void EnableTiling ();
00088   virtual void BeginFrame (int Num);
00089   virtual void FinishFrame ();
00090   virtual void AddVertex (const csVector3 &pos, const csVector3 &nrm,
00091         const csVector2 &tex);
00092   virtual void BeginAction (const char *Name);
00093   virtual void FinishAction ();
00094   virtual void StoreActionFrame (int Frame, csTicks Delay, float displacement);
00095 
00096 public:
00097   csPtr<iDataBuffer> Build (iModelDataObject *Input);
00098 };
00099 
00101 class csSpriteBuilderMesh : private csSpriteBuilder
00102 {
00103 private:
00104   iSprite3DFactoryState *Out;
00105   iSpriteFrame *CurrentFrame;
00106   int CurrentFrameNum, CurrentVertexNum;
00107   iSpriteAction *CurrentAction;
00108 
00109   virtual void Begin ();
00110   virtual void Finish ();
00111   virtual void StoreTriangle (int a, int b, int c);
00112   virtual void StoreMaterial (iModelDataMaterial *mat);
00113   virtual int StoreFrameInfo (int FrameCount, int VertexCount);
00114   virtual void EnableTiling ();
00115   virtual void BeginFrame (int Num);
00116   virtual void FinishFrame ();
00117   virtual void AddVertex (const csVector3 &pos, const csVector3 &nrm,
00118         const csVector2 &tex);
00119   virtual void BeginAction (const char *Name);
00120   virtual void FinishAction ();
00121   virtual void StoreActionFrame (int Frame, csTicks Delay, float displacement);
00122 
00123 public:
00124   bool Build (iModelDataObject *Input, iSprite3DFactoryState *Output);
00125 };
00126 
00127 #endif // __CS_SPRBUILD_H__

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