Broken support for textures, trying to switch to opengl-bindings gem

lib/wavefront/material.rb

@@ -1,12 +1,37 @@
 class IMICFPS
   class Wavefront
     class Material
+      include OpenGL
       attr_accessor :name, :ambient, :diffuse, :specular
+      attr_reader :texture
       def initialize(name)
         @name    = name
         @ambient = Wavefront::Model::Color.new(1, 1, 1, 1)
         @diffuse = Wavefront::Model::Color.new(1, 1, 1, 1)
         @specular= Wavefront::Model::Color.new(1, 1, 1, 1)
+        @texture = nil
+        @texture_id = nil
+      end
+
+      def set_texture(texture_path)
+        puts "#{name} texture #{texture_path}"
+        @texture = Gosu::Image.new(texture_path)
+        array_of_pixels = @texture.to_blob
+        if @texture.gl_tex_info
+          @texture_id = @texture.gl_tex_info.tex_name
+        else
+          tex_names_buf = ' ' * 8
+          glGenTextures(1, tex_names_buf)
+          @texture_id = tex_names_buf.unpack('L2').first
+        end
+        glBindTexture(GL_TEXTURE_2D, @texture_id)
+        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, @texture.width, @texture.height, 0, GL_RGBA, GL_UNSIGNED_BYTE, array_of_pixels) unless @texture.gl_tex_info
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST)
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST)
+      end
+
+      def texture_id
+        @texture_id
       end
     end
   end