]> de.git.xonotic.org Git - xonotic/netradiant.git/blobdiff - radiant/patch.h
my own uncrustify run
[xonotic/netradiant.git] / radiant / patch.h
index 403c43bcc02ee7e920e1dabd1b85a530e90b586b..a1f1d272a20a682bb987337d12f8f481925d787b 100644 (file)
@@ -1,25 +1,25 @@
 /*
-Copyright (C) 2001-2006, William Joseph.
-All Rights Reserved.
+   Copyright (C) 2001-2006, William Joseph.
+   All Rights Reserved.
 
-This file is part of GtkRadiant.
+   This file is part of GtkRadiant.
 
-GtkRadiant is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+   GtkRadiant is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
 
-GtkRadiant is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+   GtkRadiant is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
 
-You should have received a copy of the GNU General Public License
-along with GtkRadiant; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
-*/
+   You should have received a copy of the GNU General Public License
+   along with GtkRadiant; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
 
-#if !defined(INCLUDED_PATCH_H)
+#if !defined( INCLUDED_PATCH_H )
 #define INCLUDED_PATCH_H
 
 /// \file
@@ -66,8 +66,8 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 enum EPatchType
 {
-  ePatchTypeQuake3,
-  ePatchTypeDoom3,
+       ePatchTypeQuake3,
+       ePatchTypeDoom3,
 };
 
 extern int g_PatchSubdivideThreshold;
@@ -79,1846 +79,1658 @@ extern int g_PatchSubdivideThreshold;
 extern std::size_t MAX_PATCH_WIDTH;
 extern std::size_t MAX_PATCH_HEIGHT;
 
-#define MAX_PATCH_ROWCTRL (((MAX_PATCH_WIDTH-1)-1)/2)
-#define MAX_PATCH_COLCTRL (((MAX_PATCH_HEIGHT-1)-1)/2)
+#define MAX_PATCH_ROWCTRL ( ( ( MAX_PATCH_WIDTH - 1 ) - 1 ) / 2 )
+#define MAX_PATCH_COLCTRL ( ( ( MAX_PATCH_HEIGHT - 1 ) - 1 ) / 2 )
 
 enum EPatchCap
 {
-  eCapBevel,
-  eCapEndCap,
-  eCapIBevel,
-  eCapIEndCap,
-  eCapCylinder,
+       eCapBevel,
+       eCapEndCap,
+       eCapIBevel,
+       eCapIEndCap,
+       eCapCylinder,
 };
 
 enum EPatchPrefab
 {
-  ePlane,
-  eBevel,
-  eEndCap,
-  eCylinder,
-  eDenseCylinder,
-  eVeryDenseCylinder,
-  eSqCylinder,
-  eCone,
-  eSphere,
-  eXactCylinder,
-  eXactSphere,
-  eXactCone,
+       ePlane,
+       eBevel,
+       eEndCap,
+       eCylinder,
+       eDenseCylinder,
+       eVeryDenseCylinder,
+       eSqCylinder,
+       eCone,
+       eSphere,
+       eXactCylinder,
+       eXactSphere,
+       eXactCone,
 };
 
 enum EMatrixMajor
 {
-  ROW, COL,
+       ROW, COL,
 };
 
 struct BezierCurve
 {
-  Vector3 crd;
-  Vector3 left;
-  Vector3 right;
+       Vector3 crd;
+       Vector3 left;
+       Vector3 right;
 };
 
-const std::size_t BEZIERCURVETREE_MAX_INDEX = std::size_t(1) << (std::numeric_limits<std::size_t>::digits - 1);
+const std::size_t BEZIERCURVETREE_MAX_INDEX = std::size_t( 1 ) << ( std::numeric_limits<std::size_t>::digits - 1 );
 
 struct BezierCurveTree
 {
-  std::size_t index;
-  BezierCurveTree* left;
-  BezierCurveTree* right;
+       std::size_t index;
+       BezierCurveTree* left;
+       BezierCurveTree* right;
 };
 
-inline bool BezierCurveTree_isLeaf(const BezierCurveTree* node)
-{
-  return node->left == 0 && node->right == 0;
+inline bool BezierCurveTree_isLeaf( const BezierCurveTree* node ){
+       return node->left == 0 && node->right == 0;
 }
 
-void BezierCurveTree_Delete(BezierCurveTree *pCurve);
+void BezierCurveTree_Delete( BezierCurveTree *pCurve );
 
 
-inline VertexPointer vertexpointer_arbitrarymeshvertex(const ArbitraryMeshVertex* array)
-{
-  return VertexPointer(VertexPointer::pointer(&array->vertex), sizeof(ArbitraryMeshVertex));
+inline VertexPointer vertexpointer_arbitrarymeshvertex( const ArbitraryMeshVertex* array ){
+       return VertexPointer( VertexPointer::pointer( &array->vertex ), sizeof( ArbitraryMeshVertex ) );
 }
 
 typedef PatchControl* PatchControlIter;
 typedef const PatchControl* PatchControlConstIter;
 
-inline void copy_ctrl(PatchControlIter ctrl, PatchControlConstIter begin, PatchControlConstIter end)
-{
-  std::copy(begin, end, ctrl);
+inline void copy_ctrl( PatchControlIter ctrl, PatchControlConstIter begin, PatchControlConstIter end ){
+       std::copy( begin, end, ctrl );
 }
 
-const Colour4b colour_corner(0, 255, 0, 255);
-const Colour4b colour_inside(255, 0, 255, 255);
+const Colour4b colour_corner( 0, 255, 0, 255 );
+const Colour4b colour_inside( 255, 0, 255, 255 );
 
 class Patch;
 
 class PatchFilter
 {
 public:
-  virtual bool filter(const Patch& patch) const = 0;
+virtual bool filter( const Patch& patch ) const = 0;
 };
 
-bool patch_filtered(Patch& patch);
-void add_patch_filter(PatchFilter& filter, int mask, bool invert = false);
+bool patch_filtered( Patch& patch );
+void add_patch_filter( PatchFilter& filter, int mask, bool invert = false );
 
-void Patch_addTextureChangedCallback(const SignalHandler& handler);
+void Patch_addTextureChangedCallback( const SignalHandler& handler );
 void Patch_textureChanged();
 
-inline void BezierCurveTreeArray_deleteAll(Array<BezierCurveTree*>& curveTrees)
-{
-  for(Array<BezierCurveTree*>::iterator i = curveTrees.begin(); i != curveTrees.end(); ++i)
-  {
-    BezierCurveTree_Delete(*i);
-  }
+inline void BezierCurveTreeArray_deleteAll( Array<BezierCurveTree*>& curveTrees ){
+       for ( Array<BezierCurveTree*>::iterator i = curveTrees.begin(); i != curveTrees.end(); ++i )
+       {
+               BezierCurveTree_Delete( *i );
+       }
 }
 
-inline void PatchControlArray_invert(Array<PatchControl>& ctrl, std::size_t width, std::size_t height)
-{
-  Array<PatchControl> tmp(width);
-
-  PatchControlIter from = ctrl.data() + (width * (height - 1));
-  PatchControlIter to = ctrl.data();
-  for(std::size_t h = 0; h != ((height - 1) >> 1); ++h, to += width, from -= width)
-  {
-    copy_ctrl(tmp.data(), to, to + width);
-    copy_ctrl(to, from, from + width);
-    copy_ctrl(from, tmp.data(), tmp.data() + width);
-  }
+inline void PatchControlArray_invert( Array<PatchControl>& ctrl, std::size_t width, std::size_t height ){
+       Array<PatchControl> tmp( width );
+
+       PatchControlIter from = ctrl.data() + ( width * ( height - 1 ) );
+       PatchControlIter to = ctrl.data();
+       for ( std::size_t h = 0; h != ( ( height - 1 ) >> 1 ); ++h, to += width, from -= width )
+       {
+               copy_ctrl( tmp.data(), to, to + width );
+               copy_ctrl( to, from, from + width );
+               copy_ctrl( from, tmp.data(), tmp.data() + width );
+       }
 }
 
 class PatchTesselation
 {
 public:
-  PatchTesselation()
-    : m_numStrips(0), m_lenStrips(0), m_nArrayWidth(0), m_nArrayHeight(0)
-  {
-  }
-  Array<ArbitraryMeshVertex> m_vertices;
-  Array<RenderIndex> m_indices;
-  std::size_t m_numStrips;
-  std::size_t m_lenStrips;
-
-  Array<std::size_t> m_arrayWidth;
-  std::size_t m_nArrayWidth;
-  Array<std::size_t> m_arrayHeight;
-  std::size_t m_nArrayHeight;
-
-  Array<BezierCurveTree*> m_curveTreeU;
-  Array<BezierCurveTree*> m_curveTreeV;
+PatchTesselation()
+       : m_numStrips( 0 ), m_lenStrips( 0 ), m_nArrayWidth( 0 ), m_nArrayHeight( 0 ){
+}
+Array<ArbitraryMeshVertex> m_vertices;
+Array<RenderIndex> m_indices;
+std::size_t m_numStrips;
+std::size_t m_lenStrips;
+
+Array<std::size_t> m_arrayWidth;
+std::size_t m_nArrayWidth;
+Array<std::size_t> m_arrayHeight;
+std::size_t m_nArrayHeight;
+
+Array<BezierCurveTree*> m_curveTreeU;
+Array<BezierCurveTree*> m_curveTreeV;
 };
 
 class RenderablePatchWireframe : public OpenGLRenderable
 {
-  PatchTesselation& m_tess;
+PatchTesselation& m_tess;
 public:
-  RenderablePatchWireframe(PatchTesselation& tess) : m_tess(tess)
-  {
-  }
-  void render(RenderStateFlags state) const
-  {
-    {
+RenderablePatchWireframe( PatchTesselation& tess ) : m_tess( tess ){
+}
+void render( RenderStateFlags state ) const {
+       {
   #if NV_DRIVER_BUG
-      glVertexPointer(3, GL_FLOAT, 0, 0);
-      glDrawArrays(GL_TRIANGLE_FAN, 0, 0);
+               glVertexPointer( 3, GL_FLOAT, 0, 0 );
+               glDrawArrays( GL_TRIANGLE_FAN, 0, 0 );
   #endif
 
-      std::size_t n = 0;
-      glVertexPointer(3, GL_FLOAT, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->vertex);
-      for(std::size_t i = 0; i <= m_tess.m_curveTreeV.size(); ++i)
-      {
-        glDrawArrays(GL_LINE_STRIP, GLint(n), GLsizei(m_tess.m_nArrayWidth));
-
-        if(i == m_tess.m_curveTreeV.size()) break;
-
-        if(!BezierCurveTree_isLeaf(m_tess.m_curveTreeV[i]))
-          glDrawArrays(GL_LINE_STRIP, GLint(m_tess.m_curveTreeV[i]->index), GLsizei(m_tess.m_nArrayWidth));
-
-        n += (m_tess.m_arrayHeight[i]*m_tess.m_nArrayWidth);
-      
-      }
-    }
-
-    {
-      const ArbitraryMeshVertex* p = m_tess.m_vertices.data();
-      std::size_t n = m_tess.m_nArrayWidth * sizeof(ArbitraryMeshVertex);
-      for(std::size_t i = 0; i <= m_tess.m_curveTreeU.size(); ++i)
-      {
-        glVertexPointer(3, GL_FLOAT, GLsizei(n), &p->vertex);
-        glDrawArrays(GL_LINE_STRIP, 0, GLsizei(m_tess.m_nArrayHeight));
-
-        if(i == m_tess.m_curveTreeU.size()) break;
-
-        if(!BezierCurveTree_isLeaf(m_tess.m_curveTreeU[i]))
-        {
-          glVertexPointer(3, GL_FLOAT, GLsizei(n), &(m_tess.m_vertices.data() + (m_tess.m_curveTreeU[i]->index))->vertex);
-          glDrawArrays(GL_LINE_STRIP, 0, GLsizei(m_tess.m_nArrayHeight));
-        }
-
-        p += m_tess.m_arrayWidth[i];
-      }
-    }
-  }
+               std::size_t n = 0;
+               glVertexPointer( 3, GL_FLOAT, sizeof( ArbitraryMeshVertex ), &m_tess.m_vertices.data()->vertex );
+               for ( std::size_t i = 0; i <= m_tess.m_curveTreeV.size(); ++i )
+               {
+                       glDrawArrays( GL_LINE_STRIP, GLint( n ), GLsizei( m_tess.m_nArrayWidth ) );
+
+                       if ( i == m_tess.m_curveTreeV.size() ) {
+                               break;
+                       }
+
+                       if ( !BezierCurveTree_isLeaf( m_tess.m_curveTreeV[i] ) ) {
+                               glDrawArrays( GL_LINE_STRIP, GLint( m_tess.m_curveTreeV[i]->index ), GLsizei( m_tess.m_nArrayWidth ) );
+                       }
+
+                       n += ( m_tess.m_arrayHeight[i] * m_tess.m_nArrayWidth );
+
+               }
+       }
+
+       {
+               const ArbitraryMeshVertex* p = m_tess.m_vertices.data();
+               std::size_t n = m_tess.m_nArrayWidth * sizeof( ArbitraryMeshVertex );
+               for ( std::size_t i = 0; i <= m_tess.m_curveTreeU.size(); ++i )
+               {
+                       glVertexPointer( 3, GL_FLOAT, GLsizei( n ), &p->vertex );
+                       glDrawArrays( GL_LINE_STRIP, 0, GLsizei( m_tess.m_nArrayHeight ) );
+
+                       if ( i == m_tess.m_curveTreeU.size() ) {
+                               break;
+                       }
+
+                       if ( !BezierCurveTree_isLeaf( m_tess.m_curveTreeU[i] ) ) {
+                               glVertexPointer( 3, GL_FLOAT, GLsizei( n ), &( m_tess.m_vertices.data() + ( m_tess.m_curveTreeU[i]->index ) )->vertex );
+                               glDrawArrays( GL_LINE_STRIP, 0, GLsizei( m_tess.m_nArrayHeight ) );
+                       }
+
+                       p += m_tess.m_arrayWidth[i];
+               }
+       }
+}
 };
 
 class RenderablePatchFixedWireframe : public OpenGLRenderable
 {
-  PatchTesselation& m_tess;
+PatchTesselation& m_tess;
 public:
-  RenderablePatchFixedWireframe(PatchTesselation& tess) : m_tess(tess)
-  {
-  }
-  void render(RenderStateFlags state) const
-  {
-    glVertexPointer(3, GL_FLOAT, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->vertex);
-    const RenderIndex* strip_indices = m_tess.m_indices.data();
-    for(std::size_t i = 0; i<m_tess.m_numStrips; i++, strip_indices += m_tess.m_lenStrips)
-    {
-      glDrawElements(GL_QUAD_STRIP, GLsizei(m_tess.m_lenStrips), RenderIndexTypeID, strip_indices);
-    }
-  }
+RenderablePatchFixedWireframe( PatchTesselation& tess ) : m_tess( tess ){
+}
+void render( RenderStateFlags state ) const {
+       glVertexPointer( 3, GL_FLOAT, sizeof( ArbitraryMeshVertex ), &m_tess.m_vertices.data()->vertex );
+       const RenderIndex* strip_indices = m_tess.m_indices.data();
+       for ( std::size_t i = 0; i < m_tess.m_numStrips; i++, strip_indices += m_tess.m_lenStrips )
+       {
+               glDrawElements( GL_QUAD_STRIP, GLsizei( m_tess.m_lenStrips ), RenderIndexTypeID, strip_indices );
+       }
+}
 };
 
 class RenderablePatchSolid : public OpenGLRenderable
 {
-  PatchTesselation& m_tess;
+PatchTesselation& m_tess;
 public:
-  RenderablePatchSolid(PatchTesselation& tess) : m_tess(tess)
-  {
-  }
-  void RenderNormals() const;
-  void render(RenderStateFlags state) const
-  {
+RenderablePatchSolid( PatchTesselation& tess ) : m_tess( tess ){
+}
+void RenderNormals() const;
+void render( RenderStateFlags state ) const {
 #if 0
-    if((state & RENDER_FILL) == 0)
-    {
-      RenderablePatchWireframe(m_tess).render(state);
-    }
-    else
+       if ( ( state & RENDER_FILL ) == 0 ) {
+               RenderablePatchWireframe( m_tess ).render( state );
+       }
+       else
 #endif
-    {
-      if((state & RENDER_BUMP) != 0)
-      {
-        if(GlobalShaderCache().useShaderLanguage())
-        {
-          glNormalPointer(GL_FLOAT, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->normal);
-          glVertexAttribPointerARB(c_attr_TexCoord0, 2, GL_FLOAT, 0, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->texcoord);
-          glVertexAttribPointerARB(c_attr_Tangent, 3, GL_FLOAT, 0, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->tangent);
-          glVertexAttribPointerARB(c_attr_Binormal, 3, GL_FLOAT, 0, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->bitangent);
-        }
-        else
-        {
-          glVertexAttribPointerARB(11, 3, GL_FLOAT, 0, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->normal);
-          glVertexAttribPointerARB(8, 2, GL_FLOAT, 0, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->texcoord);
-          glVertexAttribPointerARB(9, 3, GL_FLOAT, 0, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->tangent);
-          glVertexAttribPointerARB(10, 3, GL_FLOAT, 0, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->bitangent);
-        }
-      }
-      else
-      {
-        glNormalPointer(GL_FLOAT, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->normal);
-        glTexCoordPointer(2, GL_FLOAT, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->texcoord);
-      }
-      glVertexPointer(3, GL_FLOAT, sizeof(ArbitraryMeshVertex), &m_tess.m_vertices.data()->vertex);
-      const RenderIndex* strip_indices = m_tess.m_indices.data();
-      for(std::size_t i = 0; i<m_tess.m_numStrips; i++, strip_indices += m_tess.m_lenStrips)
-      {
-        glDrawElements(GL_QUAD_STRIP, GLsizei(m_tess.m_lenStrips), RenderIndexTypeID, strip_indices);
-      }
-    }
-#if defined(_DEBUG)
-    RenderNormals();
+       {
+               if ( ( state & RENDER_BUMP ) != 0 ) {
+                       if ( GlobalShaderCache().useShaderLanguage() ) {
+                               glNormalPointer( GL_FLOAT, sizeof( ArbitraryMeshVertex ), &m_tess.m_vertices.data()->normal );
+                               glVertexAttribPointerARB( c_attr_TexCoord0, 2, GL_FLOAT, 0, sizeof( ArbitraryMeshVertex ), &m_tess.m_vertices.data()->texcoord );
+                               glVertexAttribPointerARB( c_attr_Tangent, 3, GL_FLOAT, 0, sizeof( ArbitraryMeshVertex ), &m_tess.m_vertices.data()->tangent );
+                               glVertexAttribPointerARB( c_attr_Binormal, 3, GL_FLOAT, 0, sizeof( ArbitraryMeshVertex ), &m_tess.m_vertices.data()->bitangent );
+                       }
+                       else
+                       {
+                               glVertexAttribPointerARB( 11, 3, GL_FLOAT, 0, sizeof( ArbitraryMeshVertex ), &m_tess.m_vertices.data()->normal );
+                               glVertexAttribPointerARB( 8, 2, GL_FLOAT, 0, sizeof( ArbitraryMeshVertex ), &m_tess.m_vertices.data()->texcoord );
+                               glVertexAttribPointerARB( 9, 3, GL_FLOAT, 0, sizeof( ArbitraryMeshVertex ), &m_tess.m_vertices.data()->tangent );
+                               glVertexAttribPointerARB( 10, 3, GL_FLOAT, 0, sizeof( ArbitraryMeshVertex ), &m_tess.m_vertices.data()->bitangent );
+                       }
+               }
+               else
+               {
+                       glNormalPointer( GL_FLOAT, sizeof( ArbitraryMeshVertex ), &m_tess.m_vertices.data()->normal );
+                       glTexCoordPointer( 2, GL_FLOAT, sizeof( ArbitraryMeshVertex ), &m_tess.m_vertices.data()->texcoord );
+               }
+               glVertexPointer( 3, GL_FLOAT, sizeof( ArbitraryMeshVertex ), &m_tess.m_vertices.data()->vertex );
+               const RenderIndex* strip_indices = m_tess.m_indices.data();
+               for ( std::size_t i = 0; i < m_tess.m_numStrips; i++, strip_indices += m_tess.m_lenStrips )
+               {
+                       glDrawElements( GL_QUAD_STRIP, GLsizei( m_tess.m_lenStrips ), RenderIndexTypeID, strip_indices );
+               }
+       }
+
+#if defined( _DEBUG )
+       RenderNormals();
 #endif
-  }
+}
 };
 
 // parametric surface defined by quadratic bezier control curves
 class Patch :
-  public XMLImporter,
-  public XMLExporter,
-  public TransformNode,
-  public Bounded,
-  public Cullable,
-  public Snappable,
-  public Undoable,
-  public Filterable,
-  public Nameable
+       public XMLImporter,
+       public XMLExporter,
+       public TransformNode,
+       public Bounded,
+       public Cullable,
+       public Snappable,
+       public Undoable,
+       public Filterable,
+       public Nameable
+{
+class xml_state_t
+{
+public:
+enum EState
+{
+       eDefault,
+       ePatch,
+       eMatrix,
+       eShader,
+};
+xml_state_t( EState state )
+       : m_state( state )
+{}
+EState state() const {
+       return m_state;
+}
+const char* content() const {
+       return m_content.c_str();
+}
+std::size_t write( const char* buffer, std::size_t length ){
+       return m_content.write( buffer, length );
+}
+private:
+EState m_state;
+StringOutputStream m_content;
+};
+
+std::vector<xml_state_t> m_xml_state;
+
+typedef Array<PatchControl> PatchControlArray;
+
+class SavedState : public UndoMemento
 {
-  class xml_state_t
-  {
-  public:
-    enum EState
-    {
-      eDefault,
-      ePatch,
-      eMatrix,
-      eShader,
-    };
-    xml_state_t(EState state)
-      : m_state(state)
-    {}
-    EState state() const
-    {
-      return m_state;
-    }
-    const char* content() const
-    {
-      return m_content.c_str();
-    }
-    std::size_t write(const char* buffer, std::size_t length)
-    {
-      return m_content.write(buffer, length);
-    }
-  private:
-    EState m_state;
-    StringOutputStream m_content;
-  };
-
-  std::vector<xml_state_t> m_xml_state;
-
-  typedef Array<PatchControl> PatchControlArray;
-
-  class SavedState : public UndoMemento
-  {
-  public:
-    SavedState(
-      std::size_t width,
-      std::size_t height,
-      const PatchControlArray& ctrl,
-      const char* shader,
-      bool patchDef3,
-      std::size_t subdivisions_x,
-      std::size_t subdivisions_y
-    ) :
-      m_width(width),
-      m_height(height),
-      m_shader(shader),
-      m_ctrl(ctrl),
-      m_patchDef3(patchDef3),
-      m_subdivisions_x(subdivisions_x),
-      m_subdivisions_y(subdivisions_y)
-    {
-    }
-
-    void release()
-    {
-      delete this;
-    }
-
-    std::size_t m_width, m_height;
-    CopiedString m_shader;
-    PatchControlArray m_ctrl;
-    bool m_patchDef3;
-    std::size_t m_subdivisions_x;
-    std::size_t m_subdivisions_y;
-  };
+public:
+SavedState(
+       std::size_t width,
+       std::size_t height,
+       const PatchControlArray& ctrl,
+       const char* shader,
+       bool patchDef3,
+       std::size_t subdivisions_x,
+       std::size_t subdivisions_y
+       ) :
+       m_width( width ),
+       m_height( height ),
+       m_shader( shader ),
+       m_ctrl( ctrl ),
+       m_patchDef3( patchDef3 ),
+       m_subdivisions_x( subdivisions_x ),
+       m_subdivisions_y( subdivisions_y ){
+}
+
+void release(){
+       delete this;
+}
+
+std::size_t m_width, m_height;
+CopiedString m_shader;
+PatchControlArray m_ctrl;
+bool m_patchDef3;
+std::size_t m_subdivisions_x;
+std::size_t m_subdivisions_y;
+};
 
 public:
-  class Observer
-  {
-  public:
-    virtual void allocate(std::size_t size) = 0;
-  };
+class Observer
+{
+public:
+virtual void allocate( std::size_t size ) = 0;
+};
 
 private:
-  typedef UniqueSet<Observer*> Observers;
-  Observers m_observers;
+typedef UniqueSet<Observer*> Observers;
+Observers m_observers;
 
-  scene::Node* m_node;
+scene::Node* m_node;
 
-  AABB m_aabb_local; // local bbox
+AABB m_aabb_local;   // local bbox
 
-  CopiedString m_shader;
-  Shader* m_state;
+CopiedString m_shader;
+Shader* m_state;
 
-  std::size_t m_width;
-  std::size_t m_height;
+std::size_t m_width;
+std::size_t m_height;
 public:
-  bool m_patchDef3;
-  std::size_t m_subdivisions_x;
-  std::size_t m_subdivisions_y;
+bool m_patchDef3;
+std::size_t m_subdivisions_x;
+std::size_t m_subdivisions_y;
 private:
-  
-  UndoObserver* m_undoable_observer;
-  MapFile* m_map;
 
-  // dynamically allocated array of control points, size is m_width*m_height
-  PatchControlArray m_ctrl;
-  PatchControlArray m_ctrlTransformed;
+UndoObserver* m_undoable_observer;
+MapFile* m_map;
 
-  PatchTesselation m_tess;
-  RenderablePatchSolid m_render_solid;
-  RenderablePatchWireframe m_render_wireframe;
-  RenderablePatchFixedWireframe m_render_wireframe_fixed;
+// dynamically allocated array of control points, size is m_width*m_height
+PatchControlArray m_ctrl;
+PatchControlArray m_ctrlTransformed;
 
-  static Shader* m_state_ctrl;
-  static Shader* m_state_lattice;
-  VertexBuffer<PointVertex> m_ctrl_vertices;
-  RenderableVertexBuffer m_render_ctrl;
-  IndexBuffer m_lattice_indices;
-  RenderableIndexBuffer m_render_lattice;
+PatchTesselation m_tess;
+RenderablePatchSolid m_render_solid;
+RenderablePatchWireframe m_render_wireframe;
+RenderablePatchFixedWireframe m_render_wireframe_fixed;
 
-  bool m_bOverlay;
+static Shader* m_state_ctrl;
+static Shader* m_state_lattice;
+VertexBuffer<PointVertex> m_ctrl_vertices;
+RenderableVertexBuffer m_render_ctrl;
+IndexBuffer m_lattice_indices;
+RenderableIndexBuffer m_render_lattice;
 
-  bool m_transformChanged;
-  Callback m_evaluateTransform;
-  Callback m_boundsChanged;
+bool m_bOverlay;
 
-  void construct()
-  {
-    m_bOverlay = false;
-    m_width = m_height = 0;
+bool m_transformChanged;
+Callback m_evaluateTransform;
+Callback m_boundsChanged;
 
-    m_patchDef3 = false;
-    m_subdivisions_x = 0;
-    m_subdivisions_y = 0;
+void construct(){
+       m_bOverlay = false;
+       m_width = m_height = 0;
 
-    check_shader();
-    captureShader();
+       m_patchDef3 = false;
+       m_subdivisions_x = 0;
+       m_subdivisions_y = 0;
 
-    m_xml_state.push_back(xml_state_t::eDefault);
-  }
+       check_shader();
+       captureShader();
+
+       m_xml_state.push_back( xml_state_t::eDefault );
+}
 
 public:
-  Callback m_lightsChanged;
-
-  static int m_CycleCapIndex;// = 0;
-  static EPatchType m_type;
-
-  STRING_CONSTANT(Name, "Patch");
-
-  Patch(scene::Node& node, const Callback& evaluateTransform, const Callback& boundsChanged) :
-    m_node(&node),
-    m_shader(texdef_name_default()),
-    m_state(0),
-    m_undoable_observer(0),
-    m_map(0),
-    m_render_solid(m_tess),
-    m_render_wireframe(m_tess),
-    m_render_wireframe_fixed(m_tess),
-    m_render_ctrl(GL_POINTS, m_ctrl_vertices),
-    m_render_lattice(GL_LINES, m_lattice_indices, m_ctrl_vertices),
-    m_transformChanged(false),
-    m_evaluateTransform(evaluateTransform),
-    m_boundsChanged(boundsChanged)
-  {
-    construct();
-  }
-  Patch(const Patch& other, scene::Node& node, const Callback& evaluateTransform, const Callback& boundsChanged) :
-    m_node(&node),
-    m_shader(texdef_name_default()),
-    m_state(0),
-    m_undoable_observer(0),
-    m_map(0),
-    m_render_solid(m_tess),
-    m_render_wireframe(m_tess),
-    m_render_wireframe_fixed(m_tess),
-    m_render_ctrl(GL_POINTS, m_ctrl_vertices),
-    m_render_lattice(GL_LINES, m_lattice_indices, m_ctrl_vertices),
-    m_transformChanged(false),
-    m_evaluateTransform(evaluateTransform),
-    m_boundsChanged(boundsChanged)
-  {
-    construct();
-
-    m_patchDef3 = other.m_patchDef3;
-    m_subdivisions_x = other.m_subdivisions_x;
-    m_subdivisions_y = other.m_subdivisions_y;
-    setDims(other.m_width, other.m_height);
-    copy_ctrl(m_ctrl.data(), other.m_ctrl.data(), other.m_ctrl.data()+(m_width*m_height));
-    SetShader(other.m_shader.c_str());
-    controlPointsChanged();
-  }
-
-  Patch(const Patch& other) :
-    XMLImporter(other),
-    XMLExporter(other),
-    TransformNode(other),
-    Bounded(other),
-    Cullable(other),
-    Snappable(),
-    Undoable(other),
-    Filterable(other),
-    Nameable(other),
-    m_state(0),
-    m_undoable_observer(0),
-    m_map(0),
-    m_render_solid(m_tess),
-    m_render_wireframe(m_tess),
-    m_render_wireframe_fixed(m_tess),
-    m_render_ctrl(GL_POINTS, m_ctrl_vertices),
-    m_render_lattice(GL_LINES, m_lattice_indices, m_ctrl_vertices),
-    m_transformChanged(false),
-    m_evaluateTransform(other.m_evaluateTransform),
-    m_boundsChanged(other.m_boundsChanged)
-  {
-    m_bOverlay = false;
-
-    m_patchDef3 = other.m_patchDef3;
-    m_subdivisions_x = other.m_subdivisions_x;
-    m_subdivisions_y = other.m_subdivisions_y;
-    setDims(other.m_width, other.m_height);
-    copy_ctrl(m_ctrl.data(), other.m_ctrl.data(), other.m_ctrl.data()+(m_width*m_height));
-    SetShader(other.m_shader.c_str());
-    controlPointsChanged();
-  }
-
-  ~Patch()
-  {
-    BezierCurveTreeArray_deleteAll(m_tess.m_curveTreeU);
-    BezierCurveTreeArray_deleteAll(m_tess.m_curveTreeV);
-
-    releaseShader();
-
-    ASSERT_MESSAGE(m_observers.empty(), "Patch::~Patch: observers still attached");
-  }
-
-  InstanceCounter m_instanceCounter;
-  void instanceAttach(const scene::Path& path)
-  {
-    if(++m_instanceCounter.m_count == 1)
-    {
-      m_state->incrementUsed();
-      m_map = path_find_mapfile(path.begin(), path.end());
-      m_undoable_observer = GlobalUndoSystem().observer(this);
-      GlobalFilterSystem().registerFilterable(*this);
-    }
-    else
-    {
-      ASSERT_MESSAGE(path_find_mapfile(path.begin(), path.end()) == m_map, "node is instanced across more than one file");
-    }
-  }
-  void instanceDetach(const scene::Path& path)
-  {
-    if(--m_instanceCounter.m_count == 0)
-    {
-      m_map = 0;
-      m_undoable_observer = 0;
-      GlobalUndoSystem().release(this);
-      GlobalFilterSystem().unregisterFilterable(*this);
-      m_state->decrementUsed();
-    }
-  }
-
-  const char* name() const
-  {
-    return "patch";
-  }
-  void attach(const NameCallback& callback)
-  {
-  }
-  void detach(const NameCallback& callback)
-  {
-  }
-
-  void attach(Observer* observer)
-  {
-    observer->allocate(m_width * m_height);
-    
-    m_observers.insert(observer);
-  }
-  void detach(Observer* observer)
-  {
-    m_observers.erase(observer);
-  }
-
-  void updateFiltered()
-  {
-    if(m_node != 0)
-    {
-      if(patch_filtered(*this))
-      {
-          m_node->enable(scene::Node::eFiltered);
-      }
-      else
-      {
-        m_node->disable(scene::Node::eFiltered);
-      }
-    }
-  }
-
-  void onAllocate(std::size_t size)
-  {
-    for(Observers::iterator i = m_observers.begin(); i != m_observers.end(); ++i)
-    {
-      (*i)->allocate(size);
-    }
-  }
-  const Matrix4& localToParent() const
-  {
-    return g_matrix4_identity;
-  }
-  const AABB& localAABB() const
-  {
-    return m_aabb_local;
-  }
-  VolumeIntersectionValue intersectVolume(const VolumeTest& test, const Matrix4& localToWorld) const
-  {
-    return test.TestAABB(m_aabb_local, localToWorld);
-  }
-  void render_solid(Renderer& renderer, const VolumeTest& volume, const Matrix4& localToWorld) const
-  {
-    renderer.SetState(m_state, Renderer::eFullMaterials);
-    renderer.addRenderable(m_render_solid, localToWorld);
-  }
-  void render_wireframe(Renderer& renderer, const VolumeTest& volume, const Matrix4& localToWorld) const
-  {
-    renderer.SetState(m_state, Renderer::eFullMaterials);
-    if(m_patchDef3)
-    {
-      renderer.addRenderable(m_render_wireframe_fixed, localToWorld);
-    }
-    else
-    {
-      renderer.addRenderable(m_render_wireframe, localToWorld);
-    }
-  }
-
-  void render_component(Renderer& renderer, const VolumeTest& volume, const Matrix4& localToWorld) const
-  {
-    renderer.SetState(m_state_lattice, Renderer::eWireframeOnly);
-    renderer.SetState(m_state_lattice, Renderer::eFullMaterials);
-    renderer.addRenderable(m_render_lattice, localToWorld);
-
-    renderer.SetState(m_state_ctrl, Renderer::eWireframeOnly);
-    renderer.SetState(m_state_ctrl, Renderer::eFullMaterials);
-    renderer.addRenderable(m_render_ctrl, localToWorld);
-  }
-  void testSelect(Selector& selector, SelectionTest& test)
-  {
-    SelectionIntersection best;
-    IndexPointer::index_type* pIndex = m_tess.m_indices.data();
-    for(std::size_t s=0; s<m_tess.m_numStrips; s++)
-    {
-      test.TestQuadStrip(vertexpointer_arbitrarymeshvertex(m_tess.m_vertices.data()), IndexPointer(pIndex, m_tess.m_lenStrips), best);
-      pIndex += m_tess.m_lenStrips;
-    }
-    if(best.valid())
-    {
-      selector.addIntersection(best);
-    }
-  }
-  void transform(const Matrix4& matrix)
-  {
-    for(PatchControlIter i = m_ctrlTransformed.data(); i != m_ctrlTransformed.data() + m_ctrlTransformed.size(); ++i)
-    {
-      matrix4_transform_point(matrix, (*i).m_vertex);
-    }
-
-    if(matrix4_handedness(matrix) == MATRIX4_LEFTHANDED)
-    {
-      PatchControlArray_invert(m_ctrlTransformed, m_width, m_height);
-    }
-    UpdateCachedData();
-  }
-  void transformChanged()
-  {
-    m_transformChanged = true;
-    m_lightsChanged();
-    SceneChangeNotify();
-  }
-  typedef MemberCaller<Patch, &Patch::transformChanged> TransformChangedCaller;
-
-  void evaluateTransform()
-  {
-    if(m_transformChanged)
-    {
-      m_transformChanged = false;
-      revertTransform();
-      m_evaluateTransform();
-    }
-  }
-
-  void revertTransform()
-  {
-    m_ctrlTransformed = m_ctrl;
-  }
-  void freezeTransform()
-  {
-    undoSave();
-    evaluateTransform();
-    ASSERT_MESSAGE(m_ctrlTransformed.size() == m_ctrl.size(), "Patch::freeze: size mismatch");
-    std::copy(m_ctrlTransformed.begin(), m_ctrlTransformed.end(), m_ctrl.begin());
-  }
-
-  void controlPointsChanged()
-  {
-    transformChanged();
-    evaluateTransform();
-    UpdateCachedData();
-  }
-  bool isValid() const;
-
-  void snapto(float snap)
-  {
-    undoSave();
-
-    for(PatchControlIter i = m_ctrl.data(); i != m_ctrl.data() + m_ctrl.size(); ++i)
-    {
-      vector3_snap((*i).m_vertex, snap);
-    }
-
-    controlPointsChanged();
-  }
-
-
-
-
-  void RenderDebug(RenderStateFlags state) const;
-  void RenderNormals(RenderStateFlags state) const;
-
-  void pushElement(const XMLElement& element)
-  {
-    switch(m_xml_state.back().state())
-    {
-    case xml_state_t::eDefault:
-      ASSERT_MESSAGE(string_equal(element.name(), "patch"), "parse error");
-      m_xml_state.push_back(xml_state_t::ePatch);
-      break;
-    case xml_state_t::ePatch:
-      if(string_equal(element.name(), "matrix"))
-      {
-        setDims(atoi(element.attribute("width")), atoi(element.attribute("height")));
-        m_xml_state.push_back(xml_state_t::eMatrix);
-      }
-      else if(string_equal(element.name(), "shader"))
-      {
-        m_xml_state.push_back(xml_state_t::eShader);
-      }
-      break;
-    default:
-      ERROR_MESSAGE("parse error");
-    }
-
-  }
-  void popElement(const char* name)
-  {
-    switch(m_xml_state.back().state())
-    {
-    case xml_state_t::eDefault:
-      ERROR_MESSAGE("parse error");
-      break;
-    case xml_state_t::ePatch:
-      break;
-    case xml_state_t::eMatrix:
-      {
-        StringTokeniser content(m_xml_state.back().content());
-
-        for(PatchControlIter i = m_ctrl.data(), end = m_ctrl.data() + m_ctrl.size(); i != end; ++i)
-        {
-          (*i).m_vertex[0] = string_read_float(content.getToken());
-          (*i).m_vertex[1] = string_read_float(content.getToken());
-          (*i).m_vertex[2] = string_read_float(content.getToken());
-          (*i).m_texcoord[0] = string_read_float(content.getToken());
-          (*i).m_texcoord[1] = string_read_float(content.getToken());
-        }
-        controlPointsChanged();
-      }
-      break;
-    case xml_state_t::eShader:
-      {
-        SetShader(m_xml_state.back().content());
-      }
-      break;
-    default:
-      ERROR_MESSAGE("parse error");
-    }
-
-    ASSERT_MESSAGE(!m_xml_state.empty(), "popping empty stack");
-    m_xml_state.pop_back();
-  }
-  std::size_t write(const char* buffer, std::size_t length)
-  {
-    switch(m_xml_state.back().state())
-    {
-    case xml_state_t::eDefault:
-      break;
-    case xml_state_t::ePatch:
-      break;
-    case xml_state_t::eMatrix:
-    case xml_state_t::eShader:
-      return m_xml_state.back().write(buffer, length);
-      break;
-    default:
-      ERROR_MESSAGE("parse error");
-    }
-    return length;
-  }
-
-  void exportXML(XMLImporter& importer)
-  {
-    StaticElement patchElement("patch");
-    importer.pushElement(patchElement);
-
-    {
-      const StaticElement element("shader");
-      importer.pushElement(element);
-      importer.write(m_shader.c_str(), strlen(m_shader.c_str()));
-      importer.popElement(element.name());
-    }
-
-    {
-      char width[16], height[16];
-      sprintf(width, "%u", Unsigned(m_width));
-      sprintf(height, "%u", Unsigned(m_height));
-      StaticElement element("matrix");
-      element.insertAttribute("width", width);
-      element.insertAttribute("height", height);
-
-      importer.pushElement(element);
-      {
-        for(PatchControlIter i = m_ctrl.data(), end = m_ctrl.data() + m_ctrl.size(); i != end; ++i)
-        {
-          importer << (*i).m_vertex[0]
-            << ' ' << (*i).m_vertex[1]
-            << ' ' << (*i).m_vertex[2]
-            << ' ' << (*i).m_texcoord[0]
-            << ' ' << (*i).m_texcoord[1];
-        }
-      }
-      importer.popElement(element.name());
-    }
-
-    importer.popElement(patchElement.name());
-  }
-
-  void UpdateCachedData();
-
-  const char *GetShader() const
-  {
-    return m_shader.c_str();
-  }
-  void SetShader(const char* name)
-  {
-    ASSERT_NOTNULL(name);
-  
-    if(shader_equal(m_shader.c_str(), name))
-      return;
-
-    undoSave();
-
-    if(m_instanceCounter.m_count != 0)
-    {
-      m_state->decrementUsed();
-    }
-    releaseShader();
-    m_shader = name;
-    captureShader();
-    if(m_instanceCounter.m_count != 0)
-    {
-      m_state->incrementUsed();
-    }
-
-    check_shader();
-    Patch_textureChanged();
-  }
-  int getShaderFlags() const
-  {
-    if(m_state != 0)
-    {
-      return m_state->getFlags();
-    }
-    return 0;
-  }
-
-  typedef PatchControl* iterator;
-  typedef const PatchControl* const_iterator;
-
-  iterator begin()
-  {
-    return m_ctrl.data();
-  }
-  const_iterator begin() const
-  {
-    return m_ctrl.data();
-  }
-  iterator end()
-  {
-    return m_ctrl.data() + m_ctrl.size();
-  }
-  const_iterator end() const
-  {
-    return m_ctrl.data() + m_ctrl.size();
-  }
-
-  PatchControlArray& getControlPoints()
-  {
-    return m_ctrl;
-  }
-  PatchControlArray& getControlPointsTransformed()
-  {
-    return m_ctrlTransformed;
-  }
-
-  void setDims (std::size_t w, std::size_t h);
-  std::size_t getWidth() const
-  {
-    return m_width;
-  }
-  std::size_t getHeight() const
-  {
-    return m_height;
-  }
-  PatchControl& ctrlAt(std::size_t row, std::size_t col)
-  {
-    return m_ctrl[row*m_width+col];
-  } 
-  const PatchControl& ctrlAt(std::size_t row, std::size_t col) const
-  {
-    return m_ctrl[row*m_width+col];
-  } 
-  void ConstructPrefab(const AABB& aabb, EPatchPrefab eType, int axis, std::size_t width = 3, std::size_t height = 3);
-  void constructPlane(const AABB& aabb, int axis, std::size_t width, std::size_t height);
-  void InvertMatrix();
-  void TransposeMatrix();
-  void Redisperse(EMatrixMajor mt);
-  void Smooth(EMatrixMajor mt);
-  void InsertRemove(bool bInsert, bool bColumn, bool bFirst);
-  Patch* MakeCap(Patch* patch, EPatchCap eType, EMatrixMajor mt, bool bFirst);
-  void ConstructSeam(EPatchCap eType, Vector3* p, std::size_t width);
-  
-  void FlipTexture(int nAxis);
-  void TranslateTexture(float s, float t);
-  void ScaleTexture(float s, float t);
-  void RotateTexture(float angle);
-  void SetTextureRepeat(float s, float t); // call with s=1 t=1 for FIT
-  void CapTexture();
-  void NaturalTexture();
-  void ProjectTexture(int nAxis);
-  void undoSave()
-  {
-    if(m_map != 0)
-    {
-      m_map->changed();
-    }
-    if(m_undoable_observer != 0)
-    {
-      m_undoable_observer->save(this);
-    }
-  }
-
-  UndoMemento* exportState() const
-  {
-    return new SavedState(m_width, m_height, m_ctrl, m_shader.c_str(), m_patchDef3, m_subdivisions_x, m_subdivisions_y);
-  }
-  void importState(const UndoMemento* state)
-  {
-    undoSave();
-
-    const SavedState& other = *(static_cast<const SavedState*>(state));
-
-    // begin duplicate of SavedState copy constructor, needs refactoring
-
-    // copy construct
-    {
-      m_width = other.m_width;
-      m_height = other.m_height;
-      SetShader(other.m_shader.c_str());
-      m_ctrl = other.m_ctrl;
-      onAllocate(m_ctrl.size());
-      m_patchDef3 = other.m_patchDef3;
-      m_subdivisions_x = other.m_subdivisions_x;
-      m_subdivisions_y = other.m_subdivisions_y;
-    }
-
-    // end duplicate code
-
-    Patch_textureChanged();
-
-    controlPointsChanged();
-  }
-
-  static void constructStatic(EPatchType type)
-  {
-    Patch::m_type = type;
-    Patch::m_state_ctrl = GlobalShaderCache().capture("$POINT");
-    Patch::m_state_lattice = GlobalShaderCache().capture("$LATTICE");
-  }
-
-  static void destroyStatic()
-  {
-    GlobalShaderCache().release("$LATTICE");
-    GlobalShaderCache().release("$POINT");
-  }
+Callback m_lightsChanged;
+
+static int m_CycleCapIndex;  // = 0;
+static EPatchType m_type;
+
+STRING_CONSTANT( Name, "Patch" );
+
+Patch( scene::Node& node, const Callback& evaluateTransform, const Callback& boundsChanged ) :
+       m_node( &node ),
+       m_shader( texdef_name_default() ),
+       m_state( 0 ),
+       m_undoable_observer( 0 ),
+       m_map( 0 ),
+       m_render_solid( m_tess ),
+       m_render_wireframe( m_tess ),
+       m_render_wireframe_fixed( m_tess ),
+       m_render_ctrl( GL_POINTS, m_ctrl_vertices ),
+       m_render_lattice( GL_LINES, m_lattice_indices, m_ctrl_vertices ),
+       m_transformChanged( false ),
+       m_evaluateTransform( evaluateTransform ),
+       m_boundsChanged( boundsChanged ){
+       construct();
+}
+Patch( const Patch& other, scene::Node& node, const Callback& evaluateTransform, const Callback& boundsChanged ) :
+       m_node( &node ),
+       m_shader( texdef_name_default() ),
+       m_state( 0 ),
+       m_undoable_observer( 0 ),
+       m_map( 0 ),
+       m_render_solid( m_tess ),
+       m_render_wireframe( m_tess ),
+       m_render_wireframe_fixed( m_tess ),
+       m_render_ctrl( GL_POINTS, m_ctrl_vertices ),
+       m_render_lattice( GL_LINES, m_lattice_indices, m_ctrl_vertices ),
+       m_transformChanged( false ),
+       m_evaluateTransform( evaluateTransform ),
+       m_boundsChanged( boundsChanged ){
+       construct();
+
+       m_patchDef3 = other.m_patchDef3;
+       m_subdivisions_x = other.m_subdivisions_x;
+       m_subdivisions_y = other.m_subdivisions_y;
+       setDims( other.m_width, other.m_height );
+       copy_ctrl( m_ctrl.data(), other.m_ctrl.data(), other.m_ctrl.data() + ( m_width * m_height ) );
+       SetShader( other.m_shader.c_str() );
+       controlPointsChanged();
+}
+
+Patch( const Patch& other ) :
+       XMLImporter( other ),
+       XMLExporter( other ),
+       TransformNode( other ),
+       Bounded( other ),
+       Cullable( other ),
+       Snappable(),
+       Undoable( other ),
+       Filterable( other ),
+       Nameable( other ),
+       m_state( 0 ),
+       m_undoable_observer( 0 ),
+       m_map( 0 ),
+       m_render_solid( m_tess ),
+       m_render_wireframe( m_tess ),
+       m_render_wireframe_fixed( m_tess ),
+       m_render_ctrl( GL_POINTS, m_ctrl_vertices ),
+       m_render_lattice( GL_LINES, m_lattice_indices, m_ctrl_vertices ),
+       m_transformChanged( false ),
+       m_evaluateTransform( other.m_evaluateTransform ),
+       m_boundsChanged( other.m_boundsChanged ){
+       m_bOverlay = false;
+
+       m_patchDef3 = other.m_patchDef3;
+       m_subdivisions_x = other.m_subdivisions_x;
+       m_subdivisions_y = other.m_subdivisions_y;
+       setDims( other.m_width, other.m_height );
+       copy_ctrl( m_ctrl.data(), other.m_ctrl.data(), other.m_ctrl.data() + ( m_width * m_height ) );
+       SetShader( other.m_shader.c_str() );
+       controlPointsChanged();
+}
+
+~Patch(){
+       BezierCurveTreeArray_deleteAll( m_tess.m_curveTreeU );
+       BezierCurveTreeArray_deleteAll( m_tess.m_curveTreeV );
+
+       releaseShader();
+
+       ASSERT_MESSAGE( m_observers.empty(), "Patch::~Patch: observers still attached" );
+}
+
+InstanceCounter m_instanceCounter;
+void instanceAttach( const scene::Path& path ){
+       if ( ++m_instanceCounter.m_count == 1 ) {
+               m_state->incrementUsed();
+               m_map = path_find_mapfile( path.begin(), path.end() );
+               m_undoable_observer = GlobalUndoSystem().observer( this );
+               GlobalFilterSystem().registerFilterable( *this );
+       }
+       else
+       {
+               ASSERT_MESSAGE( path_find_mapfile( path.begin(), path.end() ) == m_map, "node is instanced across more than one file" );
+       }
+}
+void instanceDetach( const scene::Path& path ){
+       if ( --m_instanceCounter.m_count == 0 ) {
+               m_map = 0;
+               m_undoable_observer = 0;
+               GlobalUndoSystem().release( this );
+               GlobalFilterSystem().unregisterFilterable( *this );
+               m_state->decrementUsed();
+       }
+}
+
+const char* name() const {
+       return "patch";
+}
+void attach( const NameCallback& callback ){
+}
+void detach( const NameCallback& callback ){
+}
+
+void attach( Observer* observer ){
+       observer->allocate( m_width * m_height );
+
+       m_observers.insert( observer );
+}
+void detach( Observer* observer ){
+       m_observers.erase( observer );
+}
+
+void updateFiltered(){
+       if ( m_node != 0 ) {
+               if ( patch_filtered( *this ) ) {
+                       m_node->enable( scene::Node::eFiltered );
+               }
+               else
+               {
+                       m_node->disable( scene::Node::eFiltered );
+               }
+       }
+}
+
+void onAllocate( std::size_t size ){
+       for ( Observers::iterator i = m_observers.begin(); i != m_observers.end(); ++i )
+       {
+               ( *i )->allocate( size );
+       }
+}
+
+const Matrix4& localToParent() const {
+       return g_matrix4_identity;
+}
+const AABB& localAABB() const {
+       return m_aabb_local;
+}
+VolumeIntersectionValue intersectVolume( const VolumeTest& test, const Matrix4& localToWorld ) const {
+       return test.TestAABB( m_aabb_local, localToWorld );
+}
+void render_solid( Renderer& renderer, const VolumeTest& volume, const Matrix4& localToWorld ) const {
+       renderer.SetState( m_state, Renderer::eFullMaterials );
+       renderer.addRenderable( m_render_solid, localToWorld );
+}
+void render_wireframe( Renderer& renderer, const VolumeTest& volume, const Matrix4& localToWorld ) const {
+       renderer.SetState( m_state, Renderer::eFullMaterials );
+       if ( m_patchDef3 ) {
+               renderer.addRenderable( m_render_wireframe_fixed, localToWorld );
+       }
+       else
+       {
+               renderer.addRenderable( m_render_wireframe, localToWorld );
+       }
+}
+
+void render_component( Renderer& renderer, const VolumeTest& volume, const Matrix4& localToWorld ) const {
+       renderer.SetState( m_state_lattice, Renderer::eWireframeOnly );
+       renderer.SetState( m_state_lattice, Renderer::eFullMaterials );
+       renderer.addRenderable( m_render_lattice, localToWorld );
+
+       renderer.SetState( m_state_ctrl, Renderer::eWireframeOnly );
+       renderer.SetState( m_state_ctrl, Renderer::eFullMaterials );
+       renderer.addRenderable( m_render_ctrl, localToWorld );
+}
+void testSelect( Selector& selector, SelectionTest& test ){
+       SelectionIntersection best;
+       IndexPointer::index_type* pIndex = m_tess.m_indices.data();
+       for ( std::size_t s = 0; s < m_tess.m_numStrips; s++ )
+       {
+               test.TestQuadStrip( vertexpointer_arbitrarymeshvertex( m_tess.m_vertices.data() ), IndexPointer( pIndex, m_tess.m_lenStrips ), best );
+               pIndex += m_tess.m_lenStrips;
+       }
+       if ( best.valid() ) {
+               selector.addIntersection( best );
+       }
+}
+void transform( const Matrix4& matrix ){
+       for ( PatchControlIter i = m_ctrlTransformed.data(); i != m_ctrlTransformed.data() + m_ctrlTransformed.size(); ++i )
+       {
+               matrix4_transform_point( matrix, ( *i ).m_vertex );
+       }
+
+       if ( matrix4_handedness( matrix ) == MATRIX4_LEFTHANDED ) {
+               PatchControlArray_invert( m_ctrlTransformed, m_width, m_height );
+       }
+       UpdateCachedData();
+}
+void transformChanged(){
+       m_transformChanged = true;
+       m_lightsChanged();
+       SceneChangeNotify();
+}
+typedef MemberCaller<Patch, &Patch::transformChanged> TransformChangedCaller;
+
+void evaluateTransform(){
+       if ( m_transformChanged ) {
+               m_transformChanged = false;
+               revertTransform();
+               m_evaluateTransform();
+       }
+}
+
+void revertTransform(){
+       m_ctrlTransformed = m_ctrl;
+}
+void freezeTransform(){
+       undoSave();
+       evaluateTransform();
+       ASSERT_MESSAGE( m_ctrlTransformed.size() == m_ctrl.size(), "Patch::freeze: size mismatch" );
+       std::copy( m_ctrlTransformed.begin(), m_ctrlTransformed.end(), m_ctrl.begin() );
+}
+
+void controlPointsChanged(){
+       transformChanged();
+       evaluateTransform();
+       UpdateCachedData();
+}
+bool isValid() const;
+
+void snapto( float snap ){
+       undoSave();
+
+       for ( PatchControlIter i = m_ctrl.data(); i != m_ctrl.data() + m_ctrl.size(); ++i )
+       {
+               vector3_snap( ( *i ).m_vertex, snap );
+       }
+
+       controlPointsChanged();
+}
+
+
+
+
+void RenderDebug( RenderStateFlags state ) const;
+void RenderNormals( RenderStateFlags state ) const;
+
+void pushElement( const XMLElement& element ){
+       switch ( m_xml_state.back().state() )
+       {
+       case xml_state_t::eDefault:
+               ASSERT_MESSAGE( string_equal( element.name(), "patch" ), "parse error" );
+               m_xml_state.push_back( xml_state_t::ePatch );
+               break;
+       case xml_state_t::ePatch:
+               if ( string_equal( element.name(), "matrix" ) ) {
+                       setDims( atoi( element.attribute( "width" ) ), atoi( element.attribute( "height" ) ) );
+                       m_xml_state.push_back( xml_state_t::eMatrix );
+               }
+               else if ( string_equal( element.name(), "shader" ) ) {
+                       m_xml_state.push_back( xml_state_t::eShader );
+               }
+               break;
+       default:
+               ERROR_MESSAGE( "parse error" );
+       }
+
+}
+void popElement( const char* name ){
+       switch ( m_xml_state.back().state() )
+       {
+       case xml_state_t::eDefault:
+               ERROR_MESSAGE( "parse error" );
+               break;
+       case xml_state_t::ePatch:
+               break;
+       case xml_state_t::eMatrix:
+       {
+               StringTokeniser content( m_xml_state.back().content() );
+
+               for ( PatchControlIter i = m_ctrl.data(), end = m_ctrl.data() + m_ctrl.size(); i != end; ++i )
+               {
+                       ( *i ).m_vertex[0] = string_read_float( content.getToken() );
+                       ( *i ).m_vertex[1] = string_read_float( content.getToken() );
+                       ( *i ).m_vertex[2] = string_read_float( content.getToken() );
+                       ( *i ).m_texcoord[0] = string_read_float( content.getToken() );
+                       ( *i ).m_texcoord[1] = string_read_float( content.getToken() );
+               }
+               controlPointsChanged();
+       }
+       break;
+       case xml_state_t::eShader:
+       {
+               SetShader( m_xml_state.back().content() );
+       }
+       break;
+       default:
+               ERROR_MESSAGE( "parse error" );
+       }
+
+       ASSERT_MESSAGE( !m_xml_state.empty(), "popping empty stack" );
+       m_xml_state.pop_back();
+}
+std::size_t write( const char* buffer, std::size_t length ){
+       switch ( m_xml_state.back().state() )
+       {
+       case xml_state_t::eDefault:
+               break;
+       case xml_state_t::ePatch:
+               break;
+       case xml_state_t::eMatrix:
+       case xml_state_t::eShader:
+               return m_xml_state.back().write( buffer, length );
+               break;
+       default:
+               ERROR_MESSAGE( "parse error" );
+       }
+       return length;
+}
+
+void exportXML( XMLImporter& importer ){
+       StaticElement patchElement( "patch" );
+       importer.pushElement( patchElement );
+
+       {
+               const StaticElement element( "shader" );
+               importer.pushElement( element );
+               importer.write( m_shader.c_str(), strlen( m_shader.c_str() ) );
+               importer.popElement( element.name() );
+       }
+
+       {
+               char width[16], height[16];
+               sprintf( width, "%u", Unsigned( m_width ) );
+               sprintf( height, "%u", Unsigned( m_height ) );
+               StaticElement element( "matrix" );
+               element.insertAttribute( "width", width );
+               element.insertAttribute( "height", height );
+
+               importer.pushElement( element );
+               {
+                       for ( PatchControlIter i = m_ctrl.data(), end = m_ctrl.data() + m_ctrl.size(); i != end; ++i )
+                       {
+                               importer << ( *i ).m_vertex[0]
+                                                << ' ' << ( *i ).m_vertex[1]
+                                                << ' ' << ( *i ).m_vertex[2]
+                                                << ' ' << ( *i ).m_texcoord[0]
+                                                << ' ' << ( *i ).m_texcoord[1];
+                       }
+               }
+               importer.popElement( element.name() );
+       }
+
+       importer.popElement( patchElement.name() );
+}
+
+void UpdateCachedData();
+
+const char *GetShader() const {
+       return m_shader.c_str();
+}
+void SetShader( const char* name ){
+       ASSERT_NOTNULL( name );
+
+       if ( shader_equal( m_shader.c_str(), name ) ) {
+               return;
+       }
+
+       undoSave();
+
+       if ( m_instanceCounter.m_count != 0 ) {
+               m_state->decrementUsed();
+       }
+       releaseShader();
+       m_shader = name;
+       captureShader();
+       if ( m_instanceCounter.m_count != 0 ) {
+               m_state->incrementUsed();
+       }
+
+       check_shader();
+       Patch_textureChanged();
+}
+int getShaderFlags() const {
+       if ( m_state != 0 ) {
+               return m_state->getFlags();
+       }
+       return 0;
+}
+
+typedef PatchControl* iterator;
+typedef const PatchControl* const_iterator;
+
+iterator begin(){
+       return m_ctrl.data();
+}
+const_iterator begin() const {
+       return m_ctrl.data();
+}
+iterator end(){
+       return m_ctrl.data() + m_ctrl.size();
+}
+const_iterator end() const {
+       return m_ctrl.data() + m_ctrl.size();
+}
+
+PatchControlArray& getControlPoints(){
+       return m_ctrl;
+}
+PatchControlArray& getControlPointsTransformed(){
+       return m_ctrlTransformed;
+}
+
+void setDims( std::size_t w, std::size_t h );
+std::size_t getWidth() const {
+       return m_width;
+}
+std::size_t getHeight() const {
+       return m_height;
+}
+PatchControl& ctrlAt( std::size_t row, std::size_t col ){
+       return m_ctrl[row * m_width + col];
+}
+const PatchControl& ctrlAt( std::size_t row, std::size_t col ) const {
+       return m_ctrl[row * m_width + col];
+}
+
+void ConstructPrefab( const AABB& aabb, EPatchPrefab eType, int axis, std::size_t width = 3, std::size_t height = 3 );
+void constructPlane( const AABB& aabb, int axis, std::size_t width, std::size_t height );
+void InvertMatrix();
+void TransposeMatrix();
+void Redisperse( EMatrixMajor mt );
+void Smooth( EMatrixMajor mt );
+void InsertRemove( bool bInsert, bool bColumn, bool bFirst );
+Patch* MakeCap( Patch* patch, EPatchCap eType, EMatrixMajor mt, bool bFirst );
+void ConstructSeam( EPatchCap eType, Vector3* p, std::size_t width );
+
+void FlipTexture( int nAxis );
+void TranslateTexture( float s, float t );
+void ScaleTexture( float s, float t );
+void RotateTexture( float angle );
+void SetTextureRepeat( float s, float t ); // call with s=1 t=1 for FIT
+void CapTexture();
+void NaturalTexture();
+void ProjectTexture( int nAxis );
+
+void undoSave(){
+       if ( m_map != 0 ) {
+               m_map->changed();
+       }
+       if ( m_undoable_observer != 0 ) {
+               m_undoable_observer->save( this );
+       }
+}
+
+UndoMemento* exportState() const {
+       return new SavedState( m_width, m_height, m_ctrl, m_shader.c_str(), m_patchDef3, m_subdivisions_x, m_subdivisions_y );
+}
+void importState( const UndoMemento* state ){
+       undoSave();
+
+       const SavedState& other = *( static_cast<const SavedState*>( state ) );
+
+       // begin duplicate of SavedState copy constructor, needs refactoring
+
+       // copy construct
+       {
+               m_width = other.m_width;
+               m_height = other.m_height;
+               SetShader( other.m_shader.c_str() );
+               m_ctrl = other.m_ctrl;
+               onAllocate( m_ctrl.size() );
+               m_patchDef3 = other.m_patchDef3;
+               m_subdivisions_x = other.m_subdivisions_x;
+               m_subdivisions_y = other.m_subdivisions_y;
+       }
+
+       // end duplicate code
+
+       Patch_textureChanged();
+
+       controlPointsChanged();
+}
+
+static void constructStatic( EPatchType type ){
+       Patch::m_type = type;
+       Patch::m_state_ctrl = GlobalShaderCache().capture( "$POINT" );
+       Patch::m_state_lattice = GlobalShaderCache().capture( "$LATTICE" );
+}
+
+static void destroyStatic(){
+       GlobalShaderCache().release( "$LATTICE" );
+       GlobalShaderCache().release( "$POINT" );
+}
 private:
-  void captureShader()
-  {
-    m_state = GlobalShaderCache().capture(m_shader.c_str());
-  }
-
-  void releaseShader()
-  {
-    GlobalShaderCache().release(m_shader.c_str());
-  }
-
-  void check_shader()
-  {
-    if(!shader_valid(GetShader()))
-    {
-      globalErrorStream() << "patch has invalid texture name: '" << GetShader() << "'\n";
-    }
-  }
-
-  void InsertPoints(EMatrixMajor mt, bool bFirst);
-  void RemovePoints(EMatrixMajor mt, bool bFirst);
-  
-  void AccumulateBBox();
-  
-  void TesselateSubMatrixFixed(ArbitraryMeshVertex* vertices, std::size_t strideX, std::size_t strideY, unsigned int nFlagsX, unsigned int nFlagsY, PatchControl* subMatrix[3][3]);
-
-  // uses binary trees representing bezier curves to recursively tesselate a bezier sub-patch
-  void TesselateSubMatrix( const BezierCurveTree *BX, const BezierCurveTree *BY,
-                           std::size_t offStartX, std::size_t offStartY,
-                           std::size_t offEndX, std::size_t offEndY,
-                           std::size_t nFlagsX, std::size_t nFlagsY,
-                           Vector3& left, Vector3& mid, Vector3& right,
-                           Vector2& texLeft, Vector2& texMid, Vector2& texRight,
-                           bool bTranspose );
-  
-  // tesselates the entire surface
-  void BuildTesselationCurves(EMatrixMajor major);
-  void accumulateVertexTangentSpace(std::size_t index, Vector3 tangentX[6], Vector3 tangentY[6], Vector2 tangentS[6], Vector2 tangentT[6], std::size_t index0, std::size_t index1);
-  void BuildVertexArray();
+void captureShader(){
+       m_state = GlobalShaderCache().capture( m_shader.c_str() );
+}
+
+void releaseShader(){
+       GlobalShaderCache().release( m_shader.c_str() );
+}
+
+void check_shader(){
+       if ( !shader_valid( GetShader() ) ) {
+               globalErrorStream() << "patch has invalid texture name: '" << GetShader() << "'\n";
+       }
+}
+
+void InsertPoints( EMatrixMajor mt, bool bFirst );
+void RemovePoints( EMatrixMajor mt, bool bFirst );
+
+void AccumulateBBox();
+
+void TesselateSubMatrixFixed( ArbitraryMeshVertex * vertices, std::size_t strideX, std::size_t strideY, unsigned int nFlagsX, unsigned int nFlagsY, PatchControl * subMatrix[3][3] );
+
+// uses binary trees representing bezier curves to recursively tesselate a bezier sub-patch
+void TesselateSubMatrix( const BezierCurveTree *BX, const BezierCurveTree *BY,
+                                                std::size_t offStartX, std::size_t offStartY,
+                                                std::size_t offEndX, std::size_t offEndY,
+                                                std::size_t nFlagsX, std::size_t nFlagsY,
+                                                Vector3& left, Vector3& mid, Vector3& right,
+                                                Vector2& texLeft, Vector2& texMid, Vector2& texRight,
+                                                bool bTranspose );
+
+// tesselates the entire surface
+void BuildTesselationCurves( EMatrixMajor major );
+void accumulateVertexTangentSpace( std::size_t index, Vector3 tangentX[6], Vector3 tangentY[6], Vector2 tangentS[6], Vector2 tangentT[6], std::size_t index0, std::size_t index1 );
+void BuildVertexArray();
 };
 
-inline bool Patch_importHeader(Patch& patch, Tokeniser& tokeniser)
-{
-  tokeniser.nextLine();
-  RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "{"));
-  return true;
+inline bool Patch_importHeader( Patch& patch, Tokeniser& tokeniser ){
+       tokeniser.nextLine();
+       RETURN_FALSE_IF_FAIL( Tokeniser_parseToken( tokeniser, "{" ) );
+       return true;
 }
 
-inline bool Patch_importShader(Patch& patch, Tokeniser& tokeniser)
-{
-  // parse shader name
-  tokeniser.nextLine();
-  const char* texture = tokeniser.getToken();
-  if(texture == 0)
-  {
-    Tokeniser_unexpectedError(tokeniser, texture, "#texture-name");
-    return false;
-  }
-  if(string_equal(texture, "NULL"))
-  {
-    patch.SetShader(texdef_name_default());
-  }
-  else
-  {
-    StringOutputStream shader(string_length(GlobalTexturePrefix_get()) + string_length(texture));
-    shader << GlobalTexturePrefix_get() << texture;
-    patch.SetShader(shader.c_str());
-  }
-  return true;
-}
-
-inline bool PatchDoom3_importShader(Patch& patch, Tokeniser& tokeniser)
-{
-  // parse shader name
-  tokeniser.nextLine();
-  const char *shader = tokeniser.getToken();
-  if(shader == 0)
-  {
-    Tokeniser_unexpectedError(tokeniser, shader, "#shader-name");
-    return false;
-  }
-  if(string_equal(shader, "_emptyname"))
-  {
-    shader = texdef_name_default();
-  }
-  patch.SetShader(shader);
-  return true;
-}
-
-inline bool Patch_importParams(Patch& patch, Tokeniser& tokeniser)
-{
-  tokeniser.nextLine();
-  RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "("));
+inline bool Patch_importShader( Patch& patch, Tokeniser& tokeniser ){
+       // parse shader name
+       tokeniser.nextLine();
+       const char* texture = tokeniser.getToken();
+       if ( texture == 0 ) {
+               Tokeniser_unexpectedError( tokeniser, texture, "#texture-name" );
+               return false;
+       }
+       if ( string_equal( texture, "NULL" ) ) {
+               patch.SetShader( texdef_name_default() );
+       }
+       else
+       {
+               StringOutputStream shader( string_length( GlobalTexturePrefix_get() ) + string_length( texture ) );
+               shader << GlobalTexturePrefix_get() << texture;
+               patch.SetShader( shader.c_str() );
+       }
+       return true;
+}
+
+inline bool PatchDoom3_importShader( Patch& patch, Tokeniser& tokeniser ){
+       // parse shader name
+       tokeniser.nextLine();
+       const char *shader = tokeniser.getToken();
+       if ( shader == 0 ) {
+               Tokeniser_unexpectedError( tokeniser, shader, "#shader-name" );
+               return false;
+       }
+       if ( string_equal( shader, "_emptyname" ) ) {
+               shader = texdef_name_default();
+       }
+       patch.SetShader( shader );
+       return true;
+}
+
+inline bool Patch_importParams( Patch& patch, Tokeniser& tokeniser ){
+       tokeniser.nextLine();
+       RETURN_FALSE_IF_FAIL( Tokeniser_parseToken( tokeniser, "(" ) );
 
-  // parse matrix dimensions
-  {
-    std::size_t c, r;
-    RETURN_FALSE_IF_FAIL(Tokeniser_getSize(tokeniser, c));
-    RETURN_FALSE_IF_FAIL(Tokeniser_getSize(tokeniser, r));
+       // parse matrix dimensions
+       {
+               std::size_t c, r;
+               RETURN_FALSE_IF_FAIL( Tokeniser_getSize( tokeniser, c ) );
+               RETURN_FALSE_IF_FAIL( Tokeniser_getSize( tokeniser, r ) );
 
-    patch.setDims(c, r);
-  }
+               patch.setDims( c, r );
+       }
 
-  if(patch.m_patchDef3)
-  {
-    RETURN_FALSE_IF_FAIL(Tokeniser_getSize(tokeniser, patch.m_subdivisions_x));
-    RETURN_FALSE_IF_FAIL(Tokeniser_getSize(tokeniser, patch.m_subdivisions_y));
-  }
+       if ( patch.m_patchDef3 ) {
+               RETURN_FALSE_IF_FAIL( Tokeniser_getSize( tokeniser, patch.m_subdivisions_x ) );
+               RETURN_FALSE_IF_FAIL( Tokeniser_getSize( tokeniser, patch.m_subdivisions_y ) );
+       }
 
-  // ignore contents/flags/value
-  int tmp;
-  RETURN_FALSE_IF_FAIL(Tokeniser_getInteger(tokeniser, tmp));
-  RETURN_FALSE_IF_FAIL(Tokeniser_getInteger(tokeniser, tmp));
-  RETURN_FALSE_IF_FAIL(Tokeniser_getInteger(tokeniser, tmp));
+       // ignore contents/flags/value
+       int tmp;
+       RETURN_FALSE_IF_FAIL( Tokeniser_getInteger( tokeniser, tmp ) );
+       RETURN_FALSE_IF_FAIL( Tokeniser_getInteger( tokeniser, tmp ) );
+       RETURN_FALSE_IF_FAIL( Tokeniser_getInteger( tokeniser, tmp ) );
 
-  RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, ")"));
-  return true;
+       RETURN_FALSE_IF_FAIL( Tokeniser_parseToken( tokeniser, ")" ) );
+       return true;
 }
 
-inline bool Patch_importMatrix(Patch& patch, Tokeniser& tokeniser)
-{
-  // parse matrix
-  tokeniser.nextLine();
-  RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "("));
-  {
-    for(std::size_t c=0; c<patch.getWidth(); c++)
-    {
-      tokeniser.nextLine();
-      RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "("));
-      for(std::size_t r=0; r<patch.getHeight(); r++)
-      {
-        RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "("));
-    
-        RETURN_FALSE_IF_FAIL(Tokeniser_getFloat(tokeniser, patch.ctrlAt(r,c).m_vertex[0]));
-        RETURN_FALSE_IF_FAIL(Tokeniser_getFloat(tokeniser, patch.ctrlAt(r,c).m_vertex[1]));
-        RETURN_FALSE_IF_FAIL(Tokeniser_getFloat(tokeniser, patch.ctrlAt(r,c).m_vertex[2]));
-        RETURN_FALSE_IF_FAIL(Tokeniser_getFloat(tokeniser, patch.ctrlAt(r,c).m_texcoord[0]));
-        RETURN_FALSE_IF_FAIL(Tokeniser_getFloat(tokeniser, patch.ctrlAt(r,c).m_texcoord[1]));
-
-        RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, ")"));
-      }
-      RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, ")"));
-    }
-  }
-  tokeniser.nextLine();
-  RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, ")"));
-  return true;
-}
-
-inline bool Patch_importFooter(Patch& patch, Tokeniser& tokeniser)
-{
-  patch.controlPointsChanged();
+inline bool Patch_importMatrix( Patch& patch, Tokeniser& tokeniser ){
+       // parse matrix
+       tokeniser.nextLine();
+       RETURN_FALSE_IF_FAIL( Tokeniser_parseToken( tokeniser, "(" ) );
+       {
+               for ( std::size_t c = 0; c < patch.getWidth(); c++ )
+               {
+                       tokeniser.nextLine();
+                       RETURN_FALSE_IF_FAIL( Tokeniser_parseToken( tokeniser, "(" ) );
+                       for ( std::size_t r = 0; r < patch.getHeight(); r++ )
+                       {
+                               RETURN_FALSE_IF_FAIL( Tokeniser_parseToken( tokeniser, "(" ) );
+
+                               RETURN_FALSE_IF_FAIL( Tokeniser_getFloat( tokeniser, patch.ctrlAt( r,c ).m_vertex[0] ) );
+                               RETURN_FALSE_IF_FAIL( Tokeniser_getFloat( tokeniser, patch.ctrlAt( r,c ).m_vertex[1] ) );
+                               RETURN_FALSE_IF_FAIL( Tokeniser_getFloat( tokeniser, patch.ctrlAt( r,c ).m_vertex[2] ) );
+                               RETURN_FALSE_IF_FAIL( Tokeniser_getFloat( tokeniser, patch.ctrlAt( r,c ).m_texcoord[0] ) );
+                               RETURN_FALSE_IF_FAIL( Tokeniser_getFloat( tokeniser, patch.ctrlAt( r,c ).m_texcoord[1] ) );
+
+                               RETURN_FALSE_IF_FAIL( Tokeniser_parseToken( tokeniser, ")" ) );
+                       }
+                       RETURN_FALSE_IF_FAIL( Tokeniser_parseToken( tokeniser, ")" ) );
+               }
+       }
+       tokeniser.nextLine();
+       RETURN_FALSE_IF_FAIL( Tokeniser_parseToken( tokeniser, ")" ) );
+       return true;
+}
 
-  tokeniser.nextLine();
-  RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "}"));
+inline bool Patch_importFooter( Patch& patch, Tokeniser& tokeniser ){
+       patch.controlPointsChanged();
 
-  tokeniser.nextLine();
-  RETURN_FALSE_IF_FAIL(Tokeniser_parseToken(tokeniser, "}"));
-  return true;
+       tokeniser.nextLine();
+       RETURN_FALSE_IF_FAIL( Tokeniser_parseToken( tokeniser, "}" ) );
+
+       tokeniser.nextLine();
+       RETURN_FALSE_IF_FAIL( Tokeniser_parseToken( tokeniser, "}" ) );
+       return true;
 }
 
 class PatchTokenImporter : public MapImporter
 {
-  Patch& m_patch;
+Patch& m_patch;
 public:
-  PatchTokenImporter(Patch& patch) : m_patch(patch)
-  {
-  }
-  bool importTokens(Tokeniser& tokeniser)
-  {
-    RETURN_FALSE_IF_FAIL(Patch_importHeader(m_patch, tokeniser));
-    RETURN_FALSE_IF_FAIL(Patch_importShader(m_patch, tokeniser));
-    RETURN_FALSE_IF_FAIL(Patch_importParams(m_patch, tokeniser));
-    RETURN_FALSE_IF_FAIL(Patch_importMatrix(m_patch, tokeniser));
-    RETURN_FALSE_IF_FAIL(Patch_importFooter(m_patch, tokeniser));
-
-    return true;
-  }
+PatchTokenImporter( Patch& patch ) : m_patch( patch ){
+}
+bool importTokens( Tokeniser& tokeniser ){
+       RETURN_FALSE_IF_FAIL( Patch_importHeader( m_patch, tokeniser ) );
+       RETURN_FALSE_IF_FAIL( Patch_importShader( m_patch, tokeniser ) );
+       RETURN_FALSE_IF_FAIL( Patch_importParams( m_patch, tokeniser ) );
+       RETURN_FALSE_IF_FAIL( Patch_importMatrix( m_patch, tokeniser ) );
+       RETURN_FALSE_IF_FAIL( Patch_importFooter( m_patch, tokeniser ) );
+
+       return true;
+}
 };
 
 class PatchDoom3TokenImporter : public MapImporter
 {
-  Patch& m_patch;
+Patch& m_patch;
 public:
-  PatchDoom3TokenImporter(Patch& patch) : m_patch(patch)
-  {
-  }
-  bool importTokens(Tokeniser& tokeniser)
-  {
-    RETURN_FALSE_IF_FAIL(Patch_importHeader(m_patch, tokeniser));
-    RETURN_FALSE_IF_FAIL(PatchDoom3_importShader(m_patch, tokeniser));
-    RETURN_FALSE_IF_FAIL(Patch_importParams(m_patch, tokeniser));
-    RETURN_FALSE_IF_FAIL(Patch_importMatrix(m_patch, tokeniser));
-    RETURN_FALSE_IF_FAIL(Patch_importFooter(m_patch, tokeniser));
-
-    return true;
-  }
+PatchDoom3TokenImporter( Patch& patch ) : m_patch( patch ){
+}
+bool importTokens( Tokeniser& tokeniser ){
+       RETURN_FALSE_IF_FAIL( Patch_importHeader( m_patch, tokeniser ) );
+       RETURN_FALSE_IF_FAIL( PatchDoom3_importShader( m_patch, tokeniser ) );
+       RETURN_FALSE_IF_FAIL( Patch_importParams( m_patch, tokeniser ) );
+       RETURN_FALSE_IF_FAIL( Patch_importMatrix( m_patch, tokeniser ) );
+       RETURN_FALSE_IF_FAIL( Patch_importFooter( m_patch, tokeniser ) );
+
+       return true;
+}
 };
 
-inline void Patch_exportHeader(const Patch& patch, TokenWriter& writer)
-{
-  writer.writeToken("{");
-  writer.nextLine();
-  writer.writeToken(patch.m_patchDef3 ? "patchDef3" : "patchDef2");
-  writer.nextLine();
-  writer.writeToken("{");
-  writer.nextLine();
+inline void Patch_exportHeader( const Patch& patch, TokenWriter& writer ){
+       writer.writeToken( "{" );
+       writer.nextLine();
+       writer.writeToken( patch.m_patchDef3 ? "patchDef3" : "patchDef2" );
+       writer.nextLine();
+       writer.writeToken( "{" );
+       writer.nextLine();
 }
 
-inline void Patch_exportShader(const Patch& patch, TokenWriter& writer)
-{
-  // write shader name
-  if(*(shader_get_textureName(patch.GetShader())) == '\0')
-  {
-    writer.writeToken("NULL");
-  }
-  else
-  {
-    writer.writeToken(shader_get_textureName(patch.GetShader()));
-  }
-  writer.nextLine();
-}
-
-inline void PatchDoom3_exportShader(const Patch& patch, TokenWriter& writer)
-{
-  // write shader name
-  if(*(shader_get_textureName(patch.GetShader())) == '\0')
-  {
-    writer.writeString("_emptyname");
-  }
-  else
-  {
-    writer.writeString(patch.GetShader());
-  }
-  writer.nextLine();
-}
-
-inline void Patch_exportParams(const Patch& patch, TokenWriter& writer)
-{
-  // write matrix dimensions
-  writer.writeToken("(");
-  writer.writeUnsigned(patch.getWidth());
-  writer.writeUnsigned(patch.getHeight());
-  if(patch.m_patchDef3)
-  {
-    writer.writeUnsigned(patch.m_subdivisions_x);
-    writer.writeUnsigned(patch.m_subdivisions_y);
-  }
-  writer.writeInteger(0);
-  writer.writeInteger(0);
-  writer.writeInteger(0);
-  writer.writeToken(")");
-  writer.nextLine();
-}
-
-inline void Patch_exportMatrix(const Patch& patch, TokenWriter& writer)
-{
-  // write matrix
-  writer.writeToken("(");
-  writer.nextLine();
-  for(std::size_t c=0; c<patch.getWidth(); c++)
-  {
-    writer.writeToken("(");
-    for(std::size_t r=0; r<patch.getHeight(); r++)
-    {
-      writer.writeToken("(");
-
-      writer.writeFloat(patch.ctrlAt(r,c).m_vertex[0]);
-      writer.writeFloat(patch.ctrlAt(r,c).m_vertex[1]);
-      writer.writeFloat(patch.ctrlAt(r,c).m_vertex[2]);
-      writer.writeFloat(patch.ctrlAt(r,c).m_texcoord[0]);
-      writer.writeFloat(patch.ctrlAt(r,c).m_texcoord[1]);
-
-      writer.writeToken(")");
-    }
-    writer.writeToken(")");
-    writer.nextLine();
-  }
-  writer.writeToken(")");
-  writer.nextLine();
-}
-  
-inline void Patch_exportFooter(const Patch& patch, TokenWriter& writer)
-{
-  writer.writeToken("}");
-  writer.nextLine();
-  writer.writeToken("}");
-  writer.nextLine();
+inline void Patch_exportShader( const Patch& patch, TokenWriter& writer ){
+       // write shader name
+       if ( *( shader_get_textureName( patch.GetShader() ) ) == '\0' ) {
+               writer.writeToken( "NULL" );
+       }
+       else
+       {
+               writer.writeToken( shader_get_textureName( patch.GetShader() ) );
+       }
+       writer.nextLine();
+}
+
+inline void PatchDoom3_exportShader( const Patch& patch, TokenWriter& writer ){
+       // write shader name
+       if ( *( shader_get_textureName( patch.GetShader() ) ) == '\0' ) {
+               writer.writeString( "_emptyname" );
+       }
+       else
+       {
+               writer.writeString( patch.GetShader() );
+       }
+       writer.nextLine();
+}
+
+inline void Patch_exportParams( const Patch& patch, TokenWriter& writer ){
+       // write matrix dimensions
+       writer.writeToken( "(" );
+       writer.writeUnsigned( patch.getWidth() );
+       writer.writeUnsigned( patch.getHeight() );
+       if ( patch.m_patchDef3 ) {
+               writer.writeUnsigned( patch.m_subdivisions_x );
+               writer.writeUnsigned( patch.m_subdivisions_y );
+       }
+       writer.writeInteger( 0 );
+       writer.writeInteger( 0 );
+       writer.writeInteger( 0 );
+       writer.writeToken( ")" );
+       writer.nextLine();
+}
+
+inline void Patch_exportMatrix( const Patch& patch, TokenWriter& writer ){
+       // write matrix
+       writer.writeToken( "(" );
+       writer.nextLine();
+       for ( std::size_t c = 0; c < patch.getWidth(); c++ )
+       {
+               writer.writeToken( "(" );
+               for ( std::size_t r = 0; r < patch.getHeight(); r++ )
+               {
+                       writer.writeToken( "(" );
+
+                       writer.writeFloat( patch.ctrlAt( r,c ).m_vertex[0] );
+                       writer.writeFloat( patch.ctrlAt( r,c ).m_vertex[1] );
+                       writer.writeFloat( patch.ctrlAt( r,c ).m_vertex[2] );
+                       writer.writeFloat( patch.ctrlAt( r,c ).m_texcoord[0] );
+                       writer.writeFloat( patch.ctrlAt( r,c ).m_texcoord[1] );
+
+                       writer.writeToken( ")" );
+               }
+               writer.writeToken( ")" );
+               writer.nextLine();
+       }
+       writer.writeToken( ")" );
+       writer.nextLine();
+}
+
+inline void Patch_exportFooter( const Patch& patch, TokenWriter& writer ){
+       writer.writeToken( "}" );
+       writer.nextLine();
+       writer.writeToken( "}" );
+       writer.nextLine();
 }
 
 class PatchTokenExporter : public MapExporter
 {
-  const Patch& m_patch;
+const Patch& m_patch;
 public:
-  PatchTokenExporter(Patch& patch) : m_patch(patch)
-  {
-  }
-  void exportTokens(TokenWriter& writer) const
-  {
-    Patch_exportHeader(m_patch, writer);
-    Patch_exportShader(m_patch, writer);
-    Patch_exportParams(m_patch, writer);
-    Patch_exportMatrix(m_patch, writer);
-    Patch_exportFooter(m_patch, writer);
-  }
+PatchTokenExporter( Patch& patch ) : m_patch( patch ){
+}
+void exportTokens( TokenWriter& writer ) const {
+       Patch_exportHeader( m_patch, writer );
+       Patch_exportShader( m_patch, writer );
+       Patch_exportParams( m_patch, writer );
+       Patch_exportMatrix( m_patch, writer );
+       Patch_exportFooter( m_patch, writer );
+}
 };
 
 class PatchDoom3TokenExporter : public MapExporter
 {
-  const Patch& m_patch;
+const Patch& m_patch;
 public:
-  PatchDoom3TokenExporter(Patch& patch) : m_patch(patch)
-  {
-  }
-  void exportTokens(TokenWriter& writer) const
-  {
-    Patch_exportHeader(m_patch, writer);
-    PatchDoom3_exportShader(m_patch, writer);
-    Patch_exportParams(m_patch, writer);
-    Patch_exportMatrix(m_patch, writer);
-    Patch_exportFooter(m_patch, writer);
-  }
+PatchDoom3TokenExporter( Patch& patch ) : m_patch( patch ){
+}
+void exportTokens( TokenWriter& writer ) const {
+       Patch_exportHeader( m_patch, writer );
+       PatchDoom3_exportShader( m_patch, writer );
+       Patch_exportParams( m_patch, writer );
+       Patch_exportMatrix( m_patch, writer );
+       Patch_exportFooter( m_patch, writer );
+}
 };
 
 class PatchControlInstance
 {
 public:
-  PatchControl* m_ctrl;
-  ObservedSelectable m_selectable;
-
-  PatchControlInstance(PatchControl* ctrl, const SelectionChangeCallback& observer)
-    : m_ctrl(ctrl), m_selectable(observer)
-  {
-  }
-
-  void testSelect(Selector& selector, SelectionTest& test)
-  {
-    SelectionIntersection best;
-    test.TestPoint(m_ctrl->m_vertex, best);
-    if(best.valid())
-    {
-      Selector_add(selector, m_selectable, best);
-    }
-  }
-  void snapto(float snap)
-  {
-    vector3_snap(m_ctrl->m_vertex, snap);
-  }
+PatchControl* m_ctrl;
+ObservedSelectable m_selectable;
+
+PatchControlInstance( PatchControl* ctrl, const SelectionChangeCallback& observer )
+       : m_ctrl( ctrl ), m_selectable( observer ){
+}
+
+void testSelect( Selector& selector, SelectionTest& test ){
+       SelectionIntersection best;
+       test.TestPoint( m_ctrl->m_vertex, best );
+       if ( best.valid() ) {
+               Selector_add( selector, m_selectable, best );
+       }
+}
+void snapto( float snap ){
+       vector3_snap( m_ctrl->m_vertex, snap );
+}
 };
 
 
 class PatchInstance :
-public Patch::Observer,
-public scene::Instance,
-public Selectable,
-public Renderable,
-public SelectionTestable,
-public ComponentSelectionTestable,
-public ComponentEditable,
-public ComponentSnappable,
-public PlaneSelectable,
-public LightCullable
+       public Patch::Observer,
+       public scene::Instance,
+       public Selectable,
+       public Renderable,
+       public SelectionTestable,
+       public ComponentSelectionTestable,
+       public ComponentEditable,
+       public ComponentSnappable,
+       public PlaneSelectable,
+       public LightCullable
+{
+class TypeCasts
 {
-  class TypeCasts
-  {
-    InstanceTypeCastTable m_casts;
-  public:
-    TypeCasts()
-    {
-      InstanceStaticCast<PatchInstance, Selectable>::install(m_casts);
-      InstanceContainedCast<PatchInstance, Bounded>::install(m_casts);
-      InstanceContainedCast<PatchInstance, Cullable>::install(m_casts);
-      InstanceStaticCast<PatchInstance, Renderable>::install(m_casts);
-      InstanceStaticCast<PatchInstance, SelectionTestable>::install(m_casts);
-      InstanceStaticCast<PatchInstance, ComponentSelectionTestable>::install(m_casts);
-      InstanceStaticCast<PatchInstance, ComponentEditable>::install(m_casts);
-      InstanceStaticCast<PatchInstance, ComponentSnappable>::install(m_casts);
-      InstanceStaticCast<PatchInstance, PlaneSelectable>::install(m_casts);
-      InstanceIdentityCast<PatchInstance>::install(m_casts);
-      InstanceContainedCast<PatchInstance, Transformable>::install(m_casts);
-    }
-    InstanceTypeCastTable& get()
-    {
-      return m_casts;
-    }
-  };
-
-
-  Patch& m_patch;
-  typedef std::vector<PatchControlInstance> PatchControlInstances;
-  PatchControlInstances m_ctrl_instances;
-
-  ObservedSelectable m_selectable;
-
-  DragPlanes m_dragPlanes;
-
-  mutable RenderablePointVector m_render_selected;
-  mutable AABB m_aabb_component;
-
-  static Shader* m_state_selpoint;
-
-  const LightList* m_lightList;
-
-  TransformModifier m_transform;
+InstanceTypeCastTable m_casts;
 public:
+TypeCasts(){
+       InstanceStaticCast<PatchInstance, Selectable>::install( m_casts );
+       InstanceContainedCast<PatchInstance, Bounded>::install( m_casts );
+       InstanceContainedCast<PatchInstance, Cullable>::install( m_casts );
+       InstanceStaticCast<PatchInstance, Renderable>::install( m_casts );
+       InstanceStaticCast<PatchInstance, SelectionTestable>::install( m_casts );
+       InstanceStaticCast<PatchInstance, ComponentSelectionTestable>::install( m_casts );
+       InstanceStaticCast<PatchInstance, ComponentEditable>::install( m_casts );
+       InstanceStaticCast<PatchInstance, ComponentSnappable>::install( m_casts );
+       InstanceStaticCast<PatchInstance, PlaneSelectable>::install( m_casts );
+       InstanceIdentityCast<PatchInstance>::install( m_casts );
+       InstanceContainedCast<PatchInstance, Transformable>::install( m_casts );
+}
+InstanceTypeCastTable& get(){
+       return m_casts;
+}
+};
+
+
+Patch& m_patch;
+typedef std::vector<PatchControlInstance> PatchControlInstances;
+PatchControlInstances m_ctrl_instances;
+
+ObservedSelectable m_selectable;
+
+DragPlanes m_dragPlanes;
+
+mutable RenderablePointVector m_render_selected;
+mutable AABB m_aabb_component;
+
+static Shader* m_state_selpoint;
+
+const LightList* m_lightList;
+
+TransformModifier m_transform;
+public:
+
+typedef LazyStatic<TypeCasts> StaticTypeCasts;
+
+void lightsChanged(){
+       m_lightList->lightsChanged();
+}
+typedef MemberCaller<PatchInstance, &PatchInstance::lightsChanged> LightsChangedCaller;
+
+STRING_CONSTANT( Name, "PatchInstance" );
+
+PatchInstance( const scene::Path& path, scene::Instance* parent, Patch& patch ) :
+       Instance( path, parent, this, StaticTypeCasts::instance().get() ),
+       m_patch( patch ),
+       m_selectable( SelectedChangedCaller( *this ) ),
+       m_dragPlanes( SelectedChangedComponentCaller( *this ) ),
+       m_render_selected( GL_POINTS ),
+       m_transform( Patch::TransformChangedCaller( m_patch ), ApplyTransformCaller( *this ) ){
+       m_patch.instanceAttach( Instance::path() );
+       m_patch.attach( this );
+
+       m_lightList = &GlobalShaderCache().attach( *this );
+       m_patch.m_lightsChanged = LightsChangedCaller( *this );
+
+       Instance::setTransformChangedCallback( LightsChangedCaller( *this ) );
+}
+~PatchInstance(){
+       Instance::setTransformChangedCallback( Callback() );
+
+       m_patch.m_lightsChanged = Callback();
+       GlobalShaderCache().detach( *this );
+
+       m_patch.detach( this );
+       m_patch.instanceDetach( Instance::path() );
+}
+
+void selectedChanged( const Selectable& selectable ){
+       GlobalSelectionSystem().getObserver ( SelectionSystem::ePrimitive )( selectable );
+       GlobalSelectionSystem().onSelectedChanged( *this, selectable );
+
+       Instance::selectedChanged();
+}
+typedef MemberCaller1<PatchInstance, const Selectable&, &PatchInstance::selectedChanged> SelectedChangedCaller;
+
+void selectedChangedComponent( const Selectable& selectable ){
+       GlobalSelectionSystem().getObserver ( SelectionSystem::eComponent )( selectable );
+       GlobalSelectionSystem().onComponentSelection( *this, selectable );
+}
+typedef MemberCaller1<PatchInstance, const Selectable&, &PatchInstance::selectedChangedComponent> SelectedChangedComponentCaller;
+
+Patch& getPatch(){
+       return m_patch;
+}
+Bounded& get( NullType<Bounded>){
+       return m_patch;
+}
+Cullable& get( NullType<Cullable>){
+       return m_patch;
+}
+Transformable& get( NullType<Transformable>){
+       return m_transform;
+}
+
+static void constructStatic(){
+       m_state_selpoint = GlobalShaderCache().capture( "$SELPOINT" );
+}
+
+static void destroyStatic(){
+       GlobalShaderCache().release( "$SELPOINT" );
+}
 
-  typedef LazyStatic<TypeCasts> StaticTypeCasts;
-
-  void lightsChanged()
-  {
-    m_lightList->lightsChanged();
-  }
-  typedef MemberCaller<PatchInstance, &PatchInstance::lightsChanged> LightsChangedCaller;
-
-  STRING_CONSTANT(Name, "PatchInstance");
-
-  PatchInstance(const scene::Path& path, scene::Instance* parent, Patch& patch) :
-    Instance(path, parent, this, StaticTypeCasts::instance().get()),
-    m_patch(patch),
-    m_selectable(SelectedChangedCaller(*this)),
-    m_dragPlanes(SelectedChangedComponentCaller(*this)),
-    m_render_selected(GL_POINTS),
-    m_transform(Patch::TransformChangedCaller(m_patch), ApplyTransformCaller(*this))
-  {
-    m_patch.instanceAttach(Instance::path());
-    m_patch.attach(this);
-
-    m_lightList = &GlobalShaderCache().attach(*this);
-    m_patch.m_lightsChanged = LightsChangedCaller(*this);
-
-    Instance::setTransformChangedCallback(LightsChangedCaller(*this));
-  }
-  ~PatchInstance()
-  {
-    Instance::setTransformChangedCallback(Callback());
-
-    m_patch.m_lightsChanged = Callback();
-    GlobalShaderCache().detach(*this);
-
-    m_patch.detach(this);
-    m_patch.instanceDetach(Instance::path());
-  }
-
-  void selectedChanged(const Selectable& selectable)
-  {
-    GlobalSelectionSystem().getObserver(SelectionSystem::ePrimitive)(selectable);
-    GlobalSelectionSystem().onSelectedChanged(*this, selectable);
-
-    Instance::selectedChanged();
-  }
-  typedef MemberCaller1<PatchInstance, const Selectable&, &PatchInstance::selectedChanged> SelectedChangedCaller;
-
-  void selectedChangedComponent(const Selectable& selectable)
-  {
-    GlobalSelectionSystem().getObserver(SelectionSystem::eComponent)(selectable);
-    GlobalSelectionSystem().onComponentSelection(*this, selectable);
-  }
-  typedef MemberCaller1<PatchInstance, const Selectable&, &PatchInstance::selectedChangedComponent> SelectedChangedComponentCaller;
-
-  Patch& getPatch()
-  {
-    return m_patch;
-  }
-  Bounded& get(NullType<Bounded>)
-  {
-    return m_patch;
-  }
-  Cullable& get(NullType<Cullable>)
-  {
-    return m_patch;
-  }
-  Transformable& get(NullType<Transformable>)
-  {
-    return m_transform;
-  }
-
-  static void constructStatic()
-  {
-    m_state_selpoint = GlobalShaderCache().capture("$SELPOINT");
-  }
-
-  static void destroyStatic()
-  {
-    GlobalShaderCache().release("$SELPOINT");
-  }
-
-
-  void allocate(std::size_t size)
-  {
-    m_ctrl_instances.clear();
-    m_ctrl_instances.reserve(size);
-    for(Patch::iterator i = m_patch.begin(); i != m_patch.end(); ++i)
-    {
-      m_ctrl_instances.push_back(PatchControlInstance(&(*i), SelectedChangedComponentCaller(*this)));
-    }
-  }
-
-  void setSelected(bool select)
-  {
-    m_selectable.setSelected(select);
-  }
-  bool isSelected() const
-  {
-    return m_selectable.isSelected();
-  }
-
-
-  void update_selected() const
-  {
-    m_render_selected.clear();
-    Patch::iterator ctrl = m_patch.getControlPointsTransformed().begin();
-    for(PatchControlInstances::const_iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i, ++ctrl)
-    {
-      if((*i).m_selectable.isSelected())
-      {
-        const Colour4b colour_selected(0, 0, 255, 255);
-        m_render_selected.push_back(PointVertex(reinterpret_cast<Vertex3f&>((*ctrl).m_vertex), colour_selected));
-      }
-    }
-  }
+
+void allocate( std::size_t size ){
+       m_ctrl_instances.clear();
+       m_ctrl_instances.reserve( size );
+       for ( Patch::iterator i = m_patch.begin(); i != m_patch.end(); ++i )
+       {
+               m_ctrl_instances.push_back( PatchControlInstance( &( *i ), SelectedChangedComponentCaller( *this ) ) );
+       }
+}
+
+void setSelected( bool select ){
+       m_selectable.setSelected( select );
+}
+bool isSelected() const {
+       return m_selectable.isSelected();
+}
+
+
+void update_selected() const {
+       m_render_selected.clear();
+       Patch::iterator ctrl = m_patch.getControlPointsTransformed().begin();
+       for ( PatchControlInstances::const_iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i, ++ctrl )
+       {
+               if ( ( *i ).m_selectable.isSelected() ) {
+                       const Colour4b colour_selected( 0, 0, 255, 255 );
+                       m_render_selected.push_back( PointVertex( reinterpret_cast<Vertex3f&>( ( *ctrl ).m_vertex ), colour_selected ) );
+               }
+       }
+}
 
 #if 0
-  void render(Renderer& renderer, const VolumeTest& volume) const
-  {
-    if(GlobalSelectionSystem().Mode() == SelectionSystem::eComponent
-      && m_selectable.isSelected())
-    {
-      renderer.Highlight(Renderer::eFace, false);
-
-      m_patch.render(renderer, volume, localToWorld());
-
-      if(GlobalSelectionSystem().ComponentMode() == SelectionSystem::eVertex)
-      {
-        renderer.Highlight(Renderer::ePrimitive, false);
-
-        m_patch.render_component(renderer, volume, localToWorld());
-
-        renderComponentsSelected(renderer, volume);
-      }
-    }
-    else
-      m_patch.render(renderer, volume, localToWorld());
-  }
+void render( Renderer& renderer, const VolumeTest& volume ) const {
+       if ( GlobalSelectionSystem().Mode() == SelectionSystem::eComponent
+                && m_selectable.isSelected() ) {
+               renderer.Highlight( Renderer::eFace, false );
+
+               m_patch.render( renderer, volume, localToWorld() );
+
+               if ( GlobalSelectionSystem().ComponentMode() == SelectionSystem::eVertex ) {
+                       renderer.Highlight( Renderer::ePrimitive, false );
+
+                       m_patch.render_component( renderer, volume, localToWorld() );
+
+                       renderComponentsSelected( renderer, volume );
+               }
+       }
+       else{
+               m_patch.render( renderer, volume, localToWorld() );
+       }
+}
 #endif
 
-  void renderSolid(Renderer& renderer, const VolumeTest& volume) const
-  {
-    m_patch.evaluateTransform();
-    renderer.setLights(*m_lightList);
-    m_patch.render_solid(renderer, volume, localToWorld());
-
-    renderComponentsSelected(renderer, volume);
-  }
-
-  void renderWireframe(Renderer& renderer, const VolumeTest& volume) const
-  {
-    m_patch.evaluateTransform();
-    m_patch.render_wireframe(renderer, volume, localToWorld());
-
-    renderComponentsSelected(renderer, volume);
-  }
-
-  void renderComponentsSelected(Renderer& renderer, const VolumeTest& volume) const
-  {
-    m_patch.evaluateTransform();
-    update_selected();
-    if(!m_render_selected.empty())
-    {
-      renderer.Highlight(Renderer::ePrimitive, false);
-      renderer.SetState(m_state_selpoint, Renderer::eWireframeOnly);
-      renderer.SetState(m_state_selpoint, Renderer::eFullMaterials);
-      renderer.addRenderable(m_render_selected, localToWorld());
-    }
-  }
-  void renderComponents(Renderer& renderer, const VolumeTest& volume) const
-  {
-    m_patch.evaluateTransform();
-    if(GlobalSelectionSystem().ComponentMode() == SelectionSystem::eVertex)
-    {
-      m_patch.render_component(renderer, volume, localToWorld());
-    }
-  }
-
-  void testSelect(Selector& selector, SelectionTest& test)
-  {
-    test.BeginMesh(localToWorld(), true);
-    m_patch.testSelect(selector, test);
-  }
-
-  void selectCtrl(bool select)
-  {
-    for(PatchControlInstances::iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i)
-    {
-      (*i).m_selectable.setSelected(select);
-    }
-  }
-  bool isSelectedComponents() const
-  {
-    for(PatchControlInstances::const_iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i)
-    {
-      if((*i).m_selectable.isSelected())
-      {
-        return true;
-      }
-    }
-    return false;
-  }
-  void setSelectedComponents(bool select, SelectionSystem::EComponentMode mode)
-  {
-    if(mode == SelectionSystem::eVertex)
-    {
-      selectCtrl(select);
-    }
-    else if(mode == SelectionSystem::eFace)
-    {
-      m_dragPlanes.setSelected(select);
-    }
-  }
-  const AABB& getSelectedComponentsBounds() const
-  {
-    m_aabb_component = AABB();
-
-    for(PatchControlInstances::const_iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i)
-    {
-      if((*i).m_selectable.isSelected())
-      {
-        aabb_extend_by_point_safe(m_aabb_component, (*i).m_ctrl->m_vertex);
-      }
-    }
-
-    return m_aabb_component;
-  }
-
-  void testSelectComponents(Selector& selector, SelectionTest& test, SelectionSystem::EComponentMode mode)
-  {
-    test.BeginMesh(localToWorld());
-
-    switch(mode)
-    {
-    case SelectionSystem::eVertex:
-      {
-        for(PatchControlInstances::iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i)
-        {
-          (*i).testSelect(selector, test);
-        }
-      }
-      break;
-    default:
-      break;
-    }
-  }
-
-  bool selectedVertices()
-  {
-    for(PatchControlInstances::iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i)
-    {
-      if((*i).m_selectable.isSelected())
-      {
-        return true;
-      }
-    }
-    return false;
-  }
-
-  void transformComponents(const Matrix4& matrix)
-  {
-    if(selectedVertices())
-    {
-      PatchControlIter ctrl = m_patch.getControlPointsTransformed().begin();
-      for(PatchControlInstances::iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i, ++ctrl)
-      {
-        if((*i).m_selectable.isSelected())
-        {
-          matrix4_transform_point(matrix, (*ctrl).m_vertex);
-        }
-      }
-      m_patch.UpdateCachedData();
-    }
-
-    if(m_dragPlanes.isSelected()) // this should only be true when the transform is a pure translation.
-    {
-      m_patch.transform(m_dragPlanes.evaluateTransform(vector4_to_vector3(matrix.t())));
-    }
-  }
-
-
-  void selectPlanes(Selector& selector, SelectionTest& test, const PlaneCallback& selectedPlaneCallback)
-  {
-    test.BeginMesh(localToWorld());
-
-    m_dragPlanes.selectPlanes(m_patch.localAABB(), selector, test, selectedPlaneCallback);
-  }
-  void selectReversedPlanes(Selector& selector, const SelectedPlanes& selectedPlanes)
-  {
-    m_dragPlanes.selectReversedPlanes(m_patch.localAABB(), selector, selectedPlanes);
-  }
-
-
-  void snapComponents(float snap)
-  {
-    if(selectedVertices())
-    {
-      m_patch.undoSave();
-      for(PatchControlInstances::iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i)
-      {
-        if((*i).m_selectable.isSelected())
-        {
-          (*i).snapto(snap);
-        }
-      }
-      m_patch.controlPointsChanged();
-    }
-  }
-
-  void evaluateTransform()
-  {
-    Matrix4 matrix(m_transform.calculateTransform());
-
-    if(m_transform.getType() == TRANSFORM_PRIMITIVE)
-    {
-      m_patch.transform(matrix);
-    }
-    else
-    {
-      transformComponents(matrix);
-    }
-  }
-  void applyTransform()
-  {
-    m_patch.revertTransform();
-    evaluateTransform();
-    m_patch.freezeTransform();
-  }
-  typedef MemberCaller<PatchInstance, &PatchInstance::applyTransform> ApplyTransformCaller;
-
-
-  bool testLight(const RendererLight& light) const
-  {
-    return light.testAABB(worldAABB());
-  }
+void renderSolid( Renderer& renderer, const VolumeTest& volume ) const {
+       m_patch.evaluateTransform();
+       renderer.setLights( *m_lightList );
+       m_patch.render_solid( renderer, volume, localToWorld() );
+
+       renderComponentsSelected( renderer, volume );
+}
+
+void renderWireframe( Renderer& renderer, const VolumeTest& volume ) const {
+       m_patch.evaluateTransform();
+       m_patch.render_wireframe( renderer, volume, localToWorld() );
+
+       renderComponentsSelected( renderer, volume );
+}
+
+void renderComponentsSelected( Renderer& renderer, const VolumeTest& volume ) const {
+       m_patch.evaluateTransform();
+       update_selected();
+       if ( !m_render_selected.empty() ) {
+               renderer.Highlight( Renderer::ePrimitive, false );
+               renderer.SetState( m_state_selpoint, Renderer::eWireframeOnly );
+               renderer.SetState( m_state_selpoint, Renderer::eFullMaterials );
+               renderer.addRenderable( m_render_selected, localToWorld() );
+       }
+}
+void renderComponents( Renderer& renderer, const VolumeTest& volume ) const {
+       m_patch.evaluateTransform();
+       if ( GlobalSelectionSystem().ComponentMode() == SelectionSystem::eVertex ) {
+               m_patch.render_component( renderer, volume, localToWorld() );
+       }
+}
+
+void testSelect( Selector& selector, SelectionTest& test ){
+       test.BeginMesh( localToWorld(), true );
+       m_patch.testSelect( selector, test );
+}
+
+void selectCtrl( bool select ){
+       for ( PatchControlInstances::iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i )
+       {
+               ( *i ).m_selectable.setSelected( select );
+       }
+}
+bool isSelectedComponents() const {
+       for ( PatchControlInstances::const_iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i )
+       {
+               if ( ( *i ).m_selectable.isSelected() ) {
+                       return true;
+               }
+       }
+       return false;
+}
+void setSelectedComponents( bool select, SelectionSystem::EComponentMode mode ){
+       if ( mode == SelectionSystem::eVertex ) {
+               selectCtrl( select );
+       }
+       else if ( mode == SelectionSystem::eFace ) {
+               m_dragPlanes.setSelected( select );
+       }
+}
+const AABB& getSelectedComponentsBounds() const {
+       m_aabb_component = AABB();
+
+       for ( PatchControlInstances::const_iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i )
+       {
+               if ( ( *i ).m_selectable.isSelected() ) {
+                       aabb_extend_by_point_safe( m_aabb_component, ( *i ).m_ctrl->m_vertex );
+               }
+       }
+
+       return m_aabb_component;
+}
+
+void testSelectComponents( Selector& selector, SelectionTest& test, SelectionSystem::EComponentMode mode ){
+       test.BeginMesh( localToWorld() );
+
+       switch ( mode )
+       {
+       case SelectionSystem::eVertex:
+       {
+               for ( PatchControlInstances::iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i )
+               {
+                       ( *i ).testSelect( selector, test );
+               }
+       }
+       break;
+       default:
+               break;
+       }
+}
+
+bool selectedVertices(){
+       for ( PatchControlInstances::iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i )
+       {
+               if ( ( *i ).m_selectable.isSelected() ) {
+                       return true;
+               }
+       }
+       return false;
+}
+
+void transformComponents( const Matrix4& matrix ){
+       if ( selectedVertices() ) {
+               PatchControlIter ctrl = m_patch.getControlPointsTransformed().begin();
+               for ( PatchControlInstances::iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i, ++ctrl )
+               {
+                       if ( ( *i ).m_selectable.isSelected() ) {
+                               matrix4_transform_point( matrix, ( *ctrl ).m_vertex );
+                       }
+               }
+               m_patch.UpdateCachedData();
+       }
+
+       if ( m_dragPlanes.isSelected() ) { // this should only be true when the transform is a pure translation.
+               m_patch.transform( m_dragPlanes.evaluateTransform( vector4_to_vector3( matrix.t() ) ) );
+       }
+}
+
+
+void selectPlanes( Selector& selector, SelectionTest& test, const PlaneCallback& selectedPlaneCallback ){
+       test.BeginMesh( localToWorld() );
+
+       m_dragPlanes.selectPlanes( m_patch.localAABB(), selector, test, selectedPlaneCallback );
+}
+void selectReversedPlanes( Selector& selector, const SelectedPlanes& selectedPlanes ){
+       m_dragPlanes.selectReversedPlanes( m_patch.localAABB(), selector, selectedPlanes );
+}
+
+
+void snapComponents( float snap ){
+       if ( selectedVertices() ) {
+               m_patch.undoSave();
+               for ( PatchControlInstances::iterator i = m_ctrl_instances.begin(); i != m_ctrl_instances.end(); ++i )
+               {
+                       if ( ( *i ).m_selectable.isSelected() ) {
+                               ( *i ).snapto( snap );
+                       }
+               }
+               m_patch.controlPointsChanged();
+       }
+}
+
+void evaluateTransform(){
+       Matrix4 matrix( m_transform.calculateTransform() );
+
+       if ( m_transform.getType() == TRANSFORM_PRIMITIVE ) {
+               m_patch.transform( matrix );
+       }
+       else
+       {
+               transformComponents( matrix );
+       }
+}
+void applyTransform(){
+       m_patch.revertTransform();
+       evaluateTransform();
+       m_patch.freezeTransform();
+}
+typedef MemberCaller<PatchInstance, &PatchInstance::applyTransform> ApplyTransformCaller;
+
+
+bool testLight( const RendererLight& light ) const {
+       return light.testAABB( worldAABB() );
+}
 };
 
 
 template<typename TokenImporter, typename TokenExporter>
 class PatchNode :
-  public scene::Node::Symbiot,
-  public scene::Instantiable,
-  public scene::Cloneable
+       public scene::Node::Symbiot,
+       public scene::Instantiable,
+       public scene::Cloneable
 {
-  typedef PatchNode<TokenImporter, TokenExporter> Self;
-
-  class TypeCasts
-  {
-    InstanceTypeCastTable m_casts;
-  public:
-    TypeCasts()
-    {
-      NodeStaticCast<PatchNode, scene::Instantiable>::install(m_casts);
-      NodeStaticCast<PatchNode, scene::Cloneable>::install(m_casts);
-      NodeContainedCast<PatchNode, Snappable>::install(m_casts);
-      NodeContainedCast<PatchNode, TransformNode>::install(m_casts);
-      NodeContainedCast<PatchNode, Patch>::install(m_casts);
-      NodeContainedCast<PatchNode, XMLImporter>::install(m_casts);
-      NodeContainedCast<PatchNode, XMLExporter>::install(m_casts);
-      NodeContainedCast<PatchNode, MapImporter>::install(m_casts);
-      NodeContainedCast<PatchNode, MapExporter>::install(m_casts);
-      NodeContainedCast<PatchNode, Nameable>::install(m_casts);
-    }
-    InstanceTypeCastTable& get()
-    {
-      return m_casts;
-    }
-  };
-
-
-  scene::Node m_node;
-  InstanceSet m_instances;
-  Patch m_patch;
-  TokenImporter m_importMap;
-  TokenExporter m_exportMap;
+typedef PatchNode<TokenImporter, TokenExporter> Self;
 
+class TypeCasts
+{
+InstanceTypeCastTable m_casts;
 public:
+TypeCasts(){
+       NodeStaticCast<PatchNode, scene::Instantiable>::install( m_casts );
+       NodeStaticCast<PatchNode, scene::Cloneable>::install( m_casts );
+       NodeContainedCast<PatchNode, Snappable>::install( m_casts );
+       NodeContainedCast<PatchNode, TransformNode>::install( m_casts );
+       NodeContainedCast<PatchNode, Patch>::install( m_casts );
+       NodeContainedCast<PatchNode, XMLImporter>::install( m_casts );
+       NodeContainedCast<PatchNode, XMLExporter>::install( m_casts );
+       NodeContainedCast<PatchNode, MapImporter>::install( m_casts );
+       NodeContainedCast<PatchNode, MapExporter>::install( m_casts );
+       NodeContainedCast<PatchNode, Nameable>::install( m_casts );
+}
+InstanceTypeCastTable& get(){
+       return m_casts;
+}
+};
+
+
+scene::Node m_node;
+InstanceSet m_instances;
+Patch m_patch;
+TokenImporter m_importMap;
+TokenExporter m_exportMap;
+
+public:
+
+typedef LazyStatic<TypeCasts> StaticTypeCasts;
 
-  typedef LazyStatic<TypeCasts> StaticTypeCasts;
-
-  Snappable& get(NullType<Snappable>)
-  {
-    return m_patch;
-  }
-  TransformNode& get(NullType<TransformNode>)
-  {
-    return m_patch;
-  }
-  Patch& get(NullType<Patch>)
-  {
-    return m_patch;
-  }
-  XMLImporter& get(NullType<XMLImporter>)
-  {
-    return m_patch;
-  }
-  XMLExporter& get(NullType<XMLExporter>)
-  {
-    return m_patch;
-  }
-  MapImporter& get(NullType<MapImporter>)
-  {
-    return m_importMap;
-  }
-  MapExporter& get(NullType<MapExporter>)
-  {
-    return m_exportMap;
-  }
-  Nameable& get(NullType<Nameable>)
-  {
-    return m_patch;
-  }
-
-  PatchNode(bool patchDef3 = false) :
-    m_node(this, this, StaticTypeCasts::instance().get()),
-    m_patch(m_node, InstanceSetEvaluateTransform<PatchInstance>::Caller(m_instances), InstanceSet::BoundsChangedCaller(m_instances)),
-    m_importMap(m_patch),
-    m_exportMap(m_patch)
-  {
-    m_patch.m_patchDef3 = patchDef3;
-  }
-  PatchNode(const PatchNode& other) :
-    scene::Node::Symbiot(other),
-    scene::Instantiable(other),
-    scene::Cloneable(other),
-    m_node(this, this, StaticTypeCasts::instance().get()),
-    m_patch(other.m_patch, m_node, InstanceSetEvaluateTransform<PatchInstance>::Caller(m_instances), InstanceSet::BoundsChangedCaller(m_instances)),
-    m_importMap(m_patch),
-    m_exportMap(m_patch)
-  {
-  }
-  void release()
-  {
-    delete this;
-  }
-  scene::Node& node()
-  {
-    return m_node;
-  }
-  Patch& get()
-  {
-    return m_patch;
-  }
-  const Patch& get() const
-  {
-    return m_patch;
-  }
-  
-  scene::Node& clone() const
-  {
-    return (new PatchNode(*this))->node();
-  }
-
-  scene::Instance* create(const scene::Path& path, scene::Instance* parent)
-  {
-    return new PatchInstance(path, parent, m_patch);
-  }
-  void forEachInstance(const scene::Instantiable::Visitor& visitor)
-  {
-    m_instances.forEachInstance(visitor);
-  }
-  void insert(scene::Instantiable::Observer* observer, const scene::Path& path, scene::Instance* instance)
-  {
-    m_instances.insert(observer, path, instance);
-  }
-  scene::Instance* erase(scene::Instantiable::Observer* observer, const scene::Path& path)
-  {
-    return m_instances.erase(observer, path);
-  }
+Snappable& get( NullType<Snappable>){
+       return m_patch;
+}
+TransformNode& get( NullType<TransformNode>){
+       return m_patch;
+}
+Patch& get( NullType<Patch>){
+       return m_patch;
+}
+XMLImporter& get( NullType<XMLImporter>){
+       return m_patch;
+}
+XMLExporter& get( NullType<XMLExporter>){
+       return m_patch;
+}
+MapImporter& get( NullType<MapImporter>){
+       return m_importMap;
+}
+MapExporter& get( NullType<MapExporter>){
+       return m_exportMap;
+}
+Nameable& get( NullType<Nameable>){
+       return m_patch;
+}
+
+PatchNode( bool patchDef3 = false ) :
+       m_node( this, this, StaticTypeCasts::instance().get() ),
+       m_patch( m_node, InstanceSetEvaluateTransform<PatchInstance>::Caller( m_instances ), InstanceSet::BoundsChangedCaller( m_instances ) ),
+       m_importMap( m_patch ),
+       m_exportMap( m_patch ){
+       m_patch.m_patchDef3 = patchDef3;
+}
+PatchNode( const PatchNode& other ) :
+       scene::Node::Symbiot( other ),
+       scene::Instantiable( other ),
+       scene::Cloneable( other ),
+       m_node( this, this, StaticTypeCasts::instance().get() ),
+       m_patch( other.m_patch, m_node, InstanceSetEvaluateTransform<PatchInstance>::Caller( m_instances ), InstanceSet::BoundsChangedCaller( m_instances ) ),
+       m_importMap( m_patch ),
+       m_exportMap( m_patch ){
+}
+void release(){
+       delete this;
+}
+scene::Node& node(){
+       return m_node;
+}
+Patch& get(){
+       return m_patch;
+}
+const Patch& get() const {
+       return m_patch;
+}
+
+scene::Node& clone() const {
+       return ( new PatchNode( *this ) )->node();
+}
+
+scene::Instance* create( const scene::Path& path, scene::Instance* parent ){
+       return new PatchInstance( path, parent, m_patch );
+}
+void forEachInstance( const scene::Instantiable::Visitor& visitor ){
+       m_instances.forEachInstance( visitor );
+}
+void insert( scene::Instantiable::Observer* observer, const scene::Path& path, scene::Instance* instance ){
+       m_instances.insert( observer, path, instance );
+}
+scene::Instance* erase( scene::Instantiable::Observer* observer, const scene::Path& path ){
+       return m_instances.erase( observer, path );
+}
 };
 
 
@@ -1926,149 +1738,124 @@ public:
 typedef PatchNode<PatchTokenImporter, PatchTokenExporter> PatchNodeQuake3;
 typedef PatchNode<PatchDoom3TokenImporter, PatchDoom3TokenExporter> PatchNodeDoom3;
 
-inline Patch* Node_getPatch(scene::Node& node)
-{
-  return NodeTypeCast<Patch>::cast(node);
+inline Patch* Node_getPatch( scene::Node& node ){
+       return NodeTypeCast<Patch>::cast( node );
 }
 
-inline PatchInstance* Instance_getPatch(scene::Instance& instance)
-{
-  return InstanceTypeCast<PatchInstance>::cast(instance);
+inline PatchInstance* Instance_getPatch( scene::Instance& instance ){
+       return InstanceTypeCast<PatchInstance>::cast( instance );
 }
 
 template<typename Functor>
 class PatchSelectedVisitor : public SelectionSystem::Visitor
 {
-  const Functor& m_functor;
+const Functor& m_functor;
 public:
-  PatchSelectedVisitor(const Functor& functor) : m_functor(functor)
-  {
-  }
-  void visit(scene::Instance& instance) const
-  {
-    PatchInstance* patch = Instance_getPatch(instance);
-    if(patch != 0)
-    {
-      m_functor(*patch);
-    }
-  }
+PatchSelectedVisitor( const Functor& functor ) : m_functor( functor ){
+}
+void visit( scene::Instance& instance ) const {
+       PatchInstance* patch = Instance_getPatch( instance );
+       if ( patch != 0 ) {
+               m_functor( *patch );
+       }
+}
 };
 
 template<typename Functor>
-inline void Scene_forEachSelectedPatch(const Functor& functor)
-{
-  GlobalSelectionSystem().foreachSelected(PatchSelectedVisitor<Functor>(functor));
+inline void Scene_forEachSelectedPatch( const Functor& functor ){
+       GlobalSelectionSystem().foreachSelected( PatchSelectedVisitor<Functor>( functor ) );
 }
 
 
 template<typename Functor>
 class PatchVisibleSelectedVisitor : public SelectionSystem::Visitor
 {
-  const Functor& m_functor;
+const Functor& m_functor;
 public:
-  PatchVisibleSelectedVisitor(const Functor& functor) : m_functor(functor)
-  {
-  }
-  void visit(scene::Instance& instance) const
-  {
-    PatchInstance* patch = Instance_getPatch(instance);
-    if(patch != 0
-      && instance.path().top().get().visible())
-    {
-      m_functor(*patch);
-    }
-  }
+PatchVisibleSelectedVisitor( const Functor& functor ) : m_functor( functor ){
+}
+void visit( scene::Instance& instance ) const {
+       PatchInstance* patch = Instance_getPatch( instance );
+       if ( patch != 0
+                && instance.path().top().get().visible() ) {
+               m_functor( *patch );
+       }
+}
 };
 
 template<typename Functor>
-inline void Scene_forEachVisibleSelectedPatchInstance(const Functor& functor)
-{
-  GlobalSelectionSystem().foreachSelected(PatchVisibleSelectedVisitor<Functor>(functor));
+inline void Scene_forEachVisibleSelectedPatchInstance( const Functor& functor ){
+       GlobalSelectionSystem().foreachSelected( PatchVisibleSelectedVisitor<Functor>( functor ) );
 }
 
 template<typename Functor>
 class PatchForEachWalker : public scene::Graph::Walker
 {
-  const Functor& m_functor;
+const Functor& m_functor;
 public:
-  PatchForEachWalker(const Functor& functor) : m_functor(functor)
-  {
-  }
-  bool pre(const scene::Path& path, scene::Instance& instance) const
-  {
-    if(path.top().get().visible())
-    {
-      Patch* patch = Node_getPatch(path.top());
-      if(patch != 0)
-      {
-        m_functor(*patch);
-      }
-    }
-    return true;
-  }
+PatchForEachWalker( const Functor& functor ) : m_functor( functor ){
+}
+bool pre( const scene::Path& path, scene::Instance& instance ) const {
+       if ( path.top().get().visible() ) {
+               Patch* patch = Node_getPatch( path.top() );
+               if ( patch != 0 ) {
+                       m_functor( *patch );
+               }
+       }
+       return true;
+}
 };
 
 template<typename Functor>
-inline void Scene_forEachVisiblePatch(const Functor& functor)
-{
-  GlobalSceneGraph().traverse(PatchForEachWalker<Functor>(functor));
+inline void Scene_forEachVisiblePatch( const Functor& functor ){
+       GlobalSceneGraph().traverse( PatchForEachWalker<Functor>( functor ) );
 }
 
 template<typename Functor>
 class PatchForEachSelectedWalker : public scene::Graph::Walker
 {
-  const Functor& m_functor;
+const Functor& m_functor;
 public:
-  PatchForEachSelectedWalker(const Functor& functor) : m_functor(functor)
-  {
-  }
-  bool pre(const scene::Path& path, scene::Instance& instance) const
-  {
-    if(path.top().get().visible())
-    {
-      Patch* patch = Node_getPatch(path.top());
-      if(patch != 0
-        && Instance_getSelectable(instance)->isSelected())
-      {
-        m_functor(*patch);
-      }
-    }
-    return true;
-  }
+PatchForEachSelectedWalker( const Functor& functor ) : m_functor( functor ){
+}
+bool pre( const scene::Path& path, scene::Instance& instance ) const {
+       if ( path.top().get().visible() ) {
+               Patch* patch = Node_getPatch( path.top() );
+               if ( patch != 0
+                        && Instance_getSelectable( instance )->isSelected() ) {
+                       m_functor( *patch );
+               }
+       }
+       return true;
+}
 };
 
 template<typename Functor>
-inline void Scene_forEachVisibleSelectedPatch(const Functor& functor)
-{
-  GlobalSceneGraph().traverse(PatchForEachSelectedWalker<Functor>(functor));
+inline void Scene_forEachVisibleSelectedPatch( const Functor& functor ){
+       GlobalSceneGraph().traverse( PatchForEachSelectedWalker<Functor>( functor ) );
 }
 
 template<typename Functor>
 class PatchForEachInstanceWalker : public scene::Graph::Walker
 {
-  const Functor& m_functor;
+const Functor& m_functor;
 public:
-  PatchForEachInstanceWalker(const Functor& functor) : m_functor(functor)
-  {
-  }
-  bool pre(const scene::Path& path, scene::Instance& instance) const
-  {
-    if(path.top().get().visible())
-    {
-      PatchInstance* patch = Instance_getPatch(instance);
-      if(patch != 0)
-      {
-        m_functor(*patch);
-      }
-    }
-    return true;
-  }
+PatchForEachInstanceWalker( const Functor& functor ) : m_functor( functor ){
+}
+bool pre( const scene::Path& path, scene::Instance& instance ) const {
+       if ( path.top().get().visible() ) {
+               PatchInstance* patch = Instance_getPatch( instance );
+               if ( patch != 0 ) {
+                       m_functor( *patch );
+               }
+       }
+       return true;
+}
 };
 
 template<typename Functor>
-inline void Scene_forEachVisiblePatchInstance(const Functor& functor)
-{
-  GlobalSceneGraph().traverse(PatchForEachInstanceWalker<Functor>(functor));
+inline void Scene_forEachVisiblePatchInstance( const Functor& functor ){
+       GlobalSceneGraph().traverse( PatchForEachInstanceWalker<Functor>( functor ) );
 }
 
 #endif