Add functions to retrieve material properties

[libs/gl.git] / source / material.h

diff --git a/source/material.h b/source/material.h
index b2ea995ef66a083d265eccde7feef0e5e9997c15..b0c9cd0d3510c2e2d76612bea410f8b13670423a 100644 (file)
--- a/source/material.h
+++ b/source/material.h
@@ -8,13 +8,35 @@ Distributed under the LGPL
 #ifndef MSP_GL_MATERIAL_H_
 #define MSP_GL_MATERIAL_H_
 
+#include <msp/datafile/loader.h>
 #include "color.h"
 
 namespace Msp {
 namespace GL {
 
+/**
+Stores OpenGL material properties.  Since OpenGL does not support material
+objects, application of material is done with several calls to glMaterial.
+*/
 class Material
 {
+public:
+       class Loader: public DataFile::Loader
+       {
+       private:
+               Material &mat;
+
+       public:
+               Loader(Material &);
+               Material &get_object() const { return mat; }
+       
+       private:
+               void ambient(float, float, float, float);
+               void diffuse(float, float, float, float);
+               void specular(float, float, float, float);
+               void emission(float, float, float, float);
+       };
+
 private:
        Color ambient;
        Color diffuse;
@@ -29,7 +51,12 @@ public:
        void set_specular(const Color &s);
        void set_emission(const Color &e);
        void set_shininess(float s);
-       void apply();
+       const Color &get_ambient() const { return ambient; }
+       const Color &get_diffuse() const { return diffuse; }
+       const Color &get_specular() const { return specular; }
+       const Color &get_emission() const { return emission; }
+       float get_shininess() const { return shininess; }
+       void apply() const;
 };
 
 } // namespace GL