sprbuild.h Source File

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 __SPRBUILD_H__
00020 #define __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) = 0;
00070 
00071   // Build a sprite
00072   bool Build (iModelDataObject *Input);
00073 };
00074 
00076 class csSpriteBuilderFile : private csSpriteBuilder
00077 {
00078 private:
00079   csString Out;
00080 
00081   virtual void Begin ();
00082   virtual void Finish ();
00083   virtual void StoreTriangle (int a, int b, int c);
00084   virtual void StoreMaterial (iModelDataMaterial *mat);
00085   virtual int StoreFrameInfo (int FrameCount, int VertexCount);
00086   virtual void EnableTiling ();
00087   virtual void BeginFrame (int Num);
00088   virtual void FinishFrame ();
00089   virtual void AddVertex (const csVector3 &pos, const csVector3 &nrm,
00090         const csVector2 &tex);
00091   virtual void BeginAction (const char *Name);
00092   virtual void FinishAction ();
00093   virtual void StoreActionFrame (int Frame, csTicks Delay);
00094 public:
00095 
00096   iDataBuffer *Build (iModelDataObject *Input);
00097 };
00098 
00100 class csSpriteBuilderMesh : private csSpriteBuilder
00101 {
00102 private:
00103   iSprite3DFactoryState *Out;
00104   iSpriteFrame *CurrentFrame;
00105   int CurrentFrameNum, CurrentVertexNum;
00106   iSpriteAction *CurrentAction;
00107 
00108   virtual void Begin ();
00109   virtual void Finish ();
00110   virtual void StoreTriangle (int a, int b, int c);
00111   virtual void StoreMaterial (iModelDataMaterial *mat);
00112   virtual int StoreFrameInfo (int FrameCount, int VertexCount);
00113   virtual void EnableTiling ();
00114   virtual void BeginFrame (int Num);
00115   virtual void FinishFrame ();
00116   virtual void AddVertex (const csVector3 &pos, const csVector3 &nrm,
00117         const csVector2 &tex);
00118   virtual void BeginAction (const char *Name);
00119   virtual void FinishAction ();
00120   virtual void StoreActionFrame (int Frame, csTicks Delay);
00121 public:
00122 
00123   bool Build (iModelDataObject *Input, iSprite3DFactoryState *Output);
00124 };
00125 
00126 #endif // __SPRBUILD_H__