terrfunc.h Source File

00001 /*
00002     Copyright (C) 2001 by Jorrit Tyberghein
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 __IMESH_TERRFUNC_H_
00020 #define __IMESH_TERRFUNC_H_
00021 
00022 #include "csutil/scf.h"
00023 
00024 struct iEngine;
00025 struct iImage;
00026 struct iMaterialWrapper;
00027 struct iMaterialList;
00028 struct iLoaderContext;
00029 class csVector3;
00030 class csColor;
00031 class csTransform;
00032 
00033 SCF_VERSION (iTerrainHeightFunction, 0, 0, 1);
00034 
00039 struct iTerrainHeightFunction : public iBase
00040 {
00042   virtual float GetHeight (float dx, float dy) = 0;
00043 };
00044 
00045 SCF_VERSION (iTerrainNormalFunction, 0, 0, 1);
00046 
00051 struct iTerrainNormalFunction : public iBase
00052 {
00054   virtual csVector3 GetNormal (float dx, float dy) = 0;
00055 };
00056 
00057 SCF_VERSION (iTerrFuncState, 0, 0, 10);
00058 
00062 struct iTerrFuncState : public iBase
00063 {
00065   virtual void LoadMaterialGroup (iLoaderContext* ldr_context,
00066         const char *pName, int iStart, int iEnd) = 0;
00068   virtual void SetTopLeftCorner (const csVector3& topleft) = 0;
00069   // Get the top-left corner.
00070   virtual csVector3 GetTopLeftCorner () = 0;
00072   virtual void SetScale (const csVector3& scale) = 0;
00074   virtual csVector3 GetScale () = 0;
00076   virtual void SetResolution (int x, int y) = 0;
00078   virtual int GetXResolution () = 0;
00080   virtual int GetYResolution () = 0;
00084   virtual void SetGridResolution (int x, int y) = 0;
00086   virtual int GetXGridResolution () = 0;
00088   virtual int GetYGridResolution () = 0;
00090   virtual void SetColor (const csColor& col) = 0;
00092   virtual csColor GetColor () const = 0;
00094   virtual void SetHeightFunction (iTerrainHeightFunction* func) = 0;
00096   virtual void SetNormalFunction (iTerrainNormalFunction* func) = 0;
00098   virtual void SetHeightMap (iImage* im, float hscale, float hshift) = 0;
00099 
00104   virtual void SetLODDistance (int lod, float dist) = 0;
00108   virtual float GetLODDistance (int lod) = 0;
00112   virtual void SetMaximumLODCost (int lod, float maxcost) = 0;
00116   virtual float GetMaximumLODCost (int lod) = 0;
00117 
00122   virtual void CorrectSeams (int tw, int th) = 0;
00126   virtual void GetCorrectSeams (int& tw, int& th) const = 0;
00130   virtual void SetQuadDepth (int qd) = 0;
00134   virtual int GetQuadDepth () const = 0;
00135 
00139   virtual void SetVisTesting (bool en) = 0;
00143   virtual bool IsVisTestingEnabled () = 0;
00144 
00145   virtual void SetDirLight (const csVector3& pos, const csColor& col) = 0;
00146   virtual csVector3 GetDirLightPosition () const = 0;
00147   virtual csColor GetDirLightColor () const = 0;
00148   virtual void DisableDirLight () = 0;
00149   virtual bool IsDirLightEnabled () const = 0;
00150   virtual void SetMaterial (int i, iMaterialWrapper* mat) = 0;
00151   virtual int GetMaterialCount () const = 0;
00152 
00153   virtual int CollisionDetect (csTransform *p) = 0;
00154 };
00155 
00156 #endif // __IMESH_TERRFUNC_H_
00157