From 5c59a04e253bf7868796fc0dc8e9768ad1988b33 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Fri, 9 Nov 2007 17:13:31 +0000
Subject: [PATCH] Support for loading materials from datafiles

---
 source/material.cpp | 31 +++++++++++++++++++++++++++++++
 source/material.h   | 22 ++++++++++++++++++++++
 source/object.cpp   |  5 ++---
 3 files changed, 55 insertions(+), 3 deletions(-)

diff --git a/source/material.cpp b/source/material.cpp
index 58cd15cb..f165c744 100644
--- a/source/material.cpp
+++ b/source/material.cpp
@@ -52,5 +52,36 @@ void Material::apply() const
 	glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, shininess);
 }
 
+
+Material::Loader::Loader(Material &m):
+	mat(m)
+{
+	add("ambient",   &Loader::ambient);
+	add("diffuse",   &Loader::diffuse);
+	add("specular",  &Loader::specular);
+	add("emission",  &Loader::emission);
+	add("shininess", &Material::shininess);
+}
+
+void Material::Loader::ambient(float r, float g, float b, float a)
+{
+	mat.ambient=GL::Color(r, g, b, a);
+}
+
+void Material::Loader::diffuse(float r, float g, float b, float a)
+{
+	mat.diffuse=GL::Color(r, g, b, a);
+}
+
+void Material::Loader::specular(float r, float g, float b, float a)
+{
+	mat.specular=GL::Color(r, g, b, a);
+}
+
+void Material::Loader::emission(float r, float g, float b, float a)
+{
+	mat.emission=GL::Color(r, g, b, a);
+}
+
 } // namespace GL
 } // namespace Msp
diff --git a/source/material.h b/source/material.h
index babf2676..0e0033b4 100644
--- 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;
diff --git a/source/object.cpp b/source/object.cpp
index 3ba2d64c..19abe36b 100644
--- a/source/object.cpp
+++ b/source/object.cpp
@@ -164,11 +164,10 @@ void Object::Loader::lod_mesh(unsigned l, const string &n)
 
 void Object::Loader::material_inline()
 {
-	throw Exception("material_inline not supported yet");
-	/*RefPtr<Material> mat=new Material;
+	RefPtr<Material> mat=new Material;
 	load_sub(*mat);
 	coll.add(format("%p%p", &obj, mat.get()), mat.get());
-	obj.material=mat.release();*/
+	obj.material=mat.release();
 }
 
 void Object::Loader::mesh(const string &n)
-- 
2.43.0