materials.xml format update

[simgear.git] / simgear / scene / material / mat.hxx

diff --git a/simgear/scene/material/mat.hxx b/simgear/scene/material/mat.hxx
index e041b6987a97dd8972c2f27eec44d30065a61265..9e2d06e432d58d7f490a85c4222040ab4f87ece2 100644 (file)
--- a/simgear/scene/material/mat.hxx
+++ b/simgear/scene/material/mat.hxx
@@ -45,6 +45,7 @@ namespace osg
 class StateSet;
 }
 
+#include <simgear/scene/model/SGReaderWriterXMLOptions.hxx>
 #include <simgear/props/props.hxx>
 #include <simgear/structure/SGSharedPtr.hxx>
 #include <simgear/scene/util/SGSceneFeatures.hxx>
@@ -54,6 +55,7 @@ class StateSet;
 namespace simgear
 {
 class Effect;
+void reload_shaders();
 }
 
 class SGMaterialGlyph;
@@ -83,29 +85,10 @@ public:
    * state information for the material.  This node is usually
    * loaded from the $FG_ROOT/materials.xml file.
    */
-  SGMaterial( const std::string &fg_root, const SGPropertyNode *props);
-
-
-  /**
-   * Construct a material from an absolute texture path.
-   *
-   * @param texture_path A string containing an absolute path
-   * to a texture file (usually RGB).
-   */
-  SGMaterial( const std::string &texpath );
-
-
-  /**
-   * Construct a material around an existing state.
-   *
-   * This constructor allows the application to create a custom,
-   * low-level state for the scene graph and wrap a material around
-   * it.  Note: the pointer ownership is transferred to the material.
-   *
-   * @param s The state for this material.
-   */
-  SGMaterial( osg::StateSet *s );
+  SGMaterial( const osgDB::ReaderWriter::Options*, const SGPropertyNode *props);
 
+  SGMaterial(const simgear::SGReaderWriterXMLOptions*,
+             const SGPropertyNode *props);
   /**
    * Destructor.
    */
@@ -150,23 +133,37 @@ public:
   inline double get_light_coverage () const { return light_coverage; }
 
   /**
-   * Get the forest coverage.
+   * Get the wood coverage.
    *
-   * A smaller number means more generated forest canopy.
+   * A smaller number means more generated woods within the forest.
    *
-   * @return The area (m^2) covered by each canopy.
+   * @return The area (m^2) covered by each wood.
    */
-  inline double get_tree_coverage () const { return tree_coverage; }
+  inline double get_wood_coverage () const { return wood_coverage; }
 
   /**
-   * Get the forest height.
+   * Get the density of the wood
+   *
+   * @return The area (m^2) covered by each tree in the wood.
+   */
+  inline double get_tree_density () const { return tree_density; }
+  
+  /**
+   * Get the size of each wood
+   *
+   * @return the average area (m^2) of each wood
+   */
+  inline double get_wood_size () const { return wood_size; }
+  
+  /**
+   * Get the tree height.
    *
    * @return The average height of the trees.
    */
   inline double get_tree_height () const { return tree_height; }
 
   /**
-   * Get the forest width.
+   * Get the tree width.
    *
    * @return The average width of the trees.
    */
@@ -275,11 +272,15 @@ protected:
 protected:
 
   struct _internal_state {
-      _internal_state( osg::StateSet *s, const std::string &t, bool l );
-      osg::ref_ptr<osg::StateSet> state;
+      _internal_state(simgear::Effect *e, bool l,
+                      const simgear::SGReaderWriterXMLOptions *o);
+      _internal_state(simgear::Effect *e, const std::string &t, bool l,
+                      const simgear::SGReaderWriterXMLOptions *o);
+      void add_texture(const std::string &t, int i);
       osg::ref_ptr<simgear::Effect> effect;
-      std::string texture_path;
-      bool texture_loaded;
+      std::vector<std::pair<std::string,int> > texture_paths;
+      bool effect_realized;
+      osg::ref_ptr<const simgear::SGReaderWriterXMLOptions> options;
   };
 
 private:
@@ -307,9 +308,15 @@ private:
   // coverage of night lighting.
   double light_coverage;
   
-  // coverage of trees
-  double tree_coverage;
-  
+  // coverage of woods
+  double wood_coverage;
+
+  // The size of each wood
+  double wood_size;
+
+  // Tree density within the wood
+  double tree_density;
+
   // Range at which trees become visible
   double tree_range;
 
@@ -341,6 +348,9 @@ private:
   SGVec4f ambient, diffuse, specular, emission;
   double shininess;
 
+  // effect for this material
+  std::string effect;
+
   // the list of names for this material. May be empty.
   std::vector<std::string> _names;
 
@@ -356,14 +366,9 @@ private:
   // Internal constructors and methods.
   ////////////////////////////////////////////////////////////////////
 
-  SGMaterial( const std::string &fg_root, const SGMaterial &mat ); // unimplemented
-
-  void read_properties( const std::string &fg_root, const SGPropertyNode *props );
-  void build_state( bool defer_tex_load );
-  void set_state( osg::StateSet *s );
-
-  void assignTexture( osg::StateSet *state, const std::string &fname, bool _wrapu = true, bool _wrapv = true, bool _mipmap = true );
-
+  void read_properties(const simgear::SGReaderWriterXMLOptions* options,
+                        const SGPropertyNode *props);
+  void buildEffectProperties(const simgear::SGReaderWriterXMLOptions* options);
 };