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meshobjtmpl.h

00001 /*
00002     Copyright (C) 2003 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_MESHOBJTMPL_H__
00020 #define __CS_MESHOBJTMPL_H__
00021 
00022 #include "csextern.h"
00023 
00024 #include "csgeom/box.h"
00025 #include "csgeom/objmodel.h"
00026 #include "csutil/flags.h"
00027 #include "csutil/refarr.h"
00028 
00029 #include "imesh/object.h"
00030 #include "iutil/comp.h"
00031 
00032 struct iEngine;
00033 
00034 
00036 #define CS_DECLARE_SIMPLE_MESH_FACTORY(name,meshclass)                      \
00037   class name : public csMeshFactory {                                       \
00038   public:                                                                   \
00039     name (iEngine *e, iObjectRegistry* reg, iMeshObjectType* type)          \
00040     : csMeshFactory (e, reg, type) {}                                       \
00041     virtual csPtr<iMeshObject> NewInstance ()                               \
00042     { return new meshclass (Engine, this); }                                \
00043     virtual csPtr<iMeshObjectFactory> Clone () { return 0; }                \
00044   };
00045 
00047 #define CS_DECLARE_SIMPLE_MESH_PLUGIN(name,factclass)                       \
00048   class name : public csMeshType {                                          \
00049   public:                                                                   \
00050     name (iBase *p) : csMeshType (p) {}                                     \
00051     virtual csPtr<iMeshObjectFactory> NewFactory ()                         \
00052     { return new factclass (Engine, object_reg, this); }                    \
00053   };
00054 
00068 class CS_CRYSTALSPACE_EXPORT csMeshObject : public iMeshObject
00069 {
00070 protected:
00072   csRef<iMeshObjectDrawCallback> VisCallback;
00073 
00075   iBase *LogParent;
00076 
00078   iEngine *Engine;
00079 
00081   void WantToDie ();
00082 
00084   csFlags flags;
00085 
00087   csBox3 boundingbox;
00088 
00089 public:
00090   SCF_DECLARE_IBASE;
00091 
00093   csMeshObject (iEngine *engine);
00094 
00096   virtual ~csMeshObject ();
00097 
00102   virtual iMeshObjectFactory* GetFactory () const = 0;
00103 
00108   virtual csPtr<iMeshObject> Clone () { return 0; }
00109   
00113   virtual csFlags& GetFlags () { return flags; }
00114 
00121   virtual csRenderMesh** GetRenderMeshes (int& num, iRenderView*, iMovable*,
00122         uint32)
00123   {
00124     num = 0;
00125     return 0;
00126   }
00127 
00133   virtual void SetVisibleCallback (iMeshObjectDrawCallback* cb);
00134 
00139   virtual iMeshObjectDrawCallback* GetVisibleCallback () const;
00140 
00145   virtual void NextFrame (csTicks current_time,const csVector3& pos);
00146 
00151   virtual void HardTransform (const csReversibleTransform& t);
00152 
00157   virtual bool SupportsHardTransform () const;
00158 
00163   virtual bool HitBeamOutline (const csVector3& start,
00164         const csVector3& end, csVector3& isect, float* pr);
00165 
00170   virtual bool HitBeamObject (const csVector3& start, const csVector3& end,
00171         csVector3& isect, float* pr, int* polygon_idx = 0);
00172 
00177   virtual void SetLogicalParent (iBase* logparent);
00178 
00183   virtual iBase* GetLogicalParent () const;
00184 
00188   virtual iObjectModel* GetObjectModel () { return &scfiObjectModel; }
00189 
00194   virtual bool SetColor (const csColor& color);
00195 
00200   virtual bool GetColor (csColor& color) const;
00201 
00206   virtual bool SetMaterialWrapper (iMaterialWrapper* material);
00207 
00212   virtual iMaterialWrapper* GetMaterialWrapper () const;
00213 
00218   virtual void InvalidateMaterialHandles () { }
00219 
00224   virtual void PositionChild (iMeshObject* /*child*/,csTicks /*current_time*/) { }
00225 
00230   virtual void GetObjectBoundingBox (csBox3& bbox);
00231 
00236   virtual void SetObjectBoundingBox (const csBox3& bbox);
00237 
00242   virtual void GetRadius (csVector3& radius, csVector3& center);
00243 
00244   // implementation of iObjectModel
00245   struct CS_CRYSTALSPACE_EXPORT eiObjectModel : public csObjectModel
00246   {
00247     SCF_DECLARE_EMBEDDED_IBASE (csMeshObject);
00248     virtual void GetObjectBoundingBox (csBox3& bbox)
00249     {
00250       scfParent->GetObjectBoundingBox (bbox);
00251     }
00252     virtual void SetObjectBoundingBox (const csBox3& bbox)
00253     {
00254       scfParent->SetObjectBoundingBox (bbox);
00255     }
00256     virtual void GetRadius (csVector3& radius, csVector3& center)
00257     {
00258       scfParent->GetRadius (radius, center);
00259     }
00260   } scfiObjectModel;
00261   friend struct eiObjectModel;
00262 };
00263 
00268 class CS_CRYSTALSPACE_EXPORT csMeshFactory : public iMeshObjectFactory
00269 {
00270 protected:
00272   iBase *LogParent;
00273 
00275   iMeshObjectType* mesh_type;
00276 
00278   iEngine *Engine;
00279 
00281   iObjectRegistry* object_reg;
00282 
00284   csFlags flags;
00285 
00286 public:
00287   SCF_DECLARE_IBASE;
00288 
00290   csMeshFactory (iEngine *engine, iObjectRegistry* object_reg,
00291     iMeshObjectType* parent);
00292 
00294   iObjectRegistry* GetObjectRegistry () { return object_reg; }
00295 
00297   virtual ~csMeshFactory ();
00298 
00302   virtual csFlags& GetFlags () { return flags; }
00303 
00308   virtual csPtr<iMeshObject> NewInstance () = 0;
00309 
00314   virtual void HardTransform (const csReversibleTransform& t);
00315 
00320   virtual bool SupportsHardTransform () const;
00321 
00326   virtual void SetLogicalParent (iBase* logparent);
00327 
00332   virtual iBase* GetLogicalParent () const;
00333 
00337   virtual iMeshObjectType* GetMeshObjectType () const;
00338 
00342   virtual iObjectModel* GetObjectModel () { return 0; }
00343 
00344 };
00345 
00349 class CS_CRYSTALSPACE_EXPORT csMeshType : public iMeshObjectType
00350 {
00351 protected:
00353   iEngine *Engine;
00354 
00356   iObjectRegistry* object_reg;
00357 
00358 public:
00359   SCF_DECLARE_IBASE;
00360 
00362   csMeshType (iBase *p);
00363 
00365   virtual ~csMeshType ();
00366 
00370   bool Initialize (iObjectRegistry* reg);
00371 
00376   virtual csPtr<iMeshObjectFactory> NewFactory () = 0;
00377 
00381   struct CS_CRYSTALSPACE_EXPORT eiComponent : public iComponent
00382   {
00383     SCF_DECLARE_EMBEDDED_IBASE (csMeshType);
00384     virtual bool Initialize (iObjectRegistry* p)
00385     { return scfParent->Initialize (p); }
00386   } scfiComponent;
00387 };
00388 
00389 #endif // __CS_MESHOBJTMPL_H__

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