nevrax.org : docs

00001 
+00007 /* Copyright, 2001 Nevrax Ltd.
+00008  *
+00009  * This file is part of NEVRAX NEL.
+00010  * NEVRAX NEL is free software; you can redistribute it and/or modify
+00011  * it under the terms of the GNU General Public License as published by
+00012  * the Free Software Foundation; either version 2, or (at your option)
+00013  * any later version.
+00014 
+00015  * NEVRAX NEL is distributed in the hope that it will be useful, but
+00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
+00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+00018  * General Public License for more details.
+00019 
+00020  * You should have received a copy of the GNU General Public License
+00021  * along with NEVRAX NEL; see the file COPYING. If not, write to the
+00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+00023  * MA 02111-1307, USA.
+00024  */
+00025 
+00026 #include "std3d.h"
+00027 
+00028 #include "3d/mesh_instance.h"
+00029 #include "3d/mesh.h"
+00030 #include "3d/skeleton_model.h"
+00031 #include <list>
+00032 
+00033 using namespace std;
+00034 
+00035 namespace NL3D 
+00036 {
+00037 
+00038 // ***************************************************************************
+00039 CMeshInstance::CMeshInstance()
+00040 {
+00041         // LoadBalancing is not usefull for Mesh, because meshs cannot be reduced in faces.
+00042         // Override CTransformShape state.
+00043         CTransform::setIsLoadbalancable(false);
+00044 }
+00045 
+00046 // ***************************************************************************
+00047 CMeshInstance::~CMeshInstance()
+00048 {
+00049         // Auto detach me from skeleton. Must do it here, not in ~CTransform().
+00050         if(_FatherSkeletonModel)
+00051         {
+00052                 // detach me from the skeleton.
+00053                 // Observers hierarchy is modified.
+00054                 _FatherSkeletonModel->detachSkeletonSon(this);
+00055                 nlassert(_FatherSkeletonModel==NULL);
+00056         }
+00057 }
+00058 
+00059 
+00060 // ***************************************************************************
+00061 void            CMeshInstance::registerBasic()
+00062 {
+00063         CMOT::registerModel(MeshInstanceId, MeshBaseInstanceId, CMeshInstance::creator);
+00064 }
+00065 
+00066 // ***************************************************************************
+00067 void            CMeshInstance::setApplySkin(bool state)
+00068 {
+00069         // Call parents method
+00070         CMeshBaseInstance::setApplySkin (state);
+00071 
+00072         // Get a pointer on the shape
+00073         CMesh *pMesh = NLMISC::safe_cast<CMesh *>((IShape*)Shape);
+00074 
+00075         // Recompute the id
+00076         if (state)
+00077         {
+00078                 pMesh->computeBonesId (_FatherSkeletonModel);
+00079         }
+00080 
+00081         // update the skeleton usage according to the mesh.
+00082         pMesh->updateSkeletonUsage(_FatherSkeletonModel, state);
+00083 }
+00084 
+00085 
+00086 // ***************************************************************************
+00087 const std::vector<sint32>       *CMeshInstance::getSkinBoneUsage() const
+00088 {
+00089         // Get a pointer on the shape
+00090         CMesh   *pMesh = NLMISC::safe_cast<CMesh *>((IShape*)Shape);
+00091 
+00092         // Recompute the id
+00093         pMesh->computeBonesId (_FatherSkeletonModel);
+00094 
+00095         // get ids.
+00096         return &pMesh->getMeshGeom().getSkinBoneUsage();
+00097 }
+00098 
+00099 
+00100 // ***************************************************************************
+00101 bool    CMeshInstance::isSkinnable() const
+00102 {
+00103         if(Shape==NULL)
+00104                 return false;
+00105 
+00106         // Get a pointer on the shape
+00107         CMesh *pMesh = NLMISC::safe_cast<CMesh *>((IShape*)Shape);
+00108 
+00109         // true if the mesh is skinned
+00110         return pMesh->getMeshGeom().isSkinned();
+00111 }
+00112 
+00113 
+00114 // ***************************************************************************
+00115 void    CMeshInstance::renderSkin(float alphaMRM)
+00116 {
+00117         // Don't setup lighting or matrix in Skin. Done by the skeleton
+00118 
+00119         if(Shape && getVisibility() != CHrcTrav::Hide)
+00120         {
+00121                 // Get a pointer on the shape
+00122                 CMesh *pMesh = NLMISC::safe_cast<CMesh *>((IShape*)Shape);
+00123 
+00124                 // render the meshGeom
+00125                 CMeshGeom       &meshGeom= const_cast<CMeshGeom&>(pMesh->getMeshGeom ());
+00126                 meshGeom.renderSkin( this, alphaMRM );
+00127         }
+00128 }
+00129 
+00130 
+00131 } // NL3D
+
mesh_instance.cpp
