add texture support

WFObj.cc

@@ -419,9 +419,15 @@ void WFObj::loadMaterial(const std::string & name)
         {
             /* ignore these parameters */
         }
+        else if (tokens[0] == "map_Kd")
+        {
+            m_materials[mat_name].texture = loadTexture(tokens[1]);
+            if (m_materials[mat_name].texture != 0)
+                m_materials[mat_name].flags |= Material::TEXTURE_BIT;
+        }
         else
         {
-            cerr << "WFObj: error: unrecognized material directive: '"
+            cerr << "WFObj: warning: unrecognized material directive: '"
                 << tokens[0] << "'" << endl;
         }
     }
@@ -553,6 +559,17 @@ void WFObj::bindBuffers()
     glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_index_vbo);
 }
 
+GLuint WFObj::loadTexture(const std::string & path)
+{
+    if (m_loadtexture == NULL)
+        return 0;
+    if (m_textures.find(path) != m_textures.end())
+        return m_textures[path];
+    GLuint id = m_loadtexture(path.c_str());
+    m_textures[path] = id;
+    return id;
+}
+
 bool WFObj::VertexRef::operator<(const VertexRef & other) const
 {
     if (vertex != other.vertex)

WFObj.h

@@ -48,7 +48,7 @@ public:
             GLfloat ambient[4];
             GLfloat diffuse[4];
             GLfloat specular[4];
-            std::string texture;
+            GLuint texture;
             int flags;
             int first_vertex;
             int num_vertices;
@@ -115,6 +115,7 @@ protected:
     std::string getLine(const Buffer & buff, size_t idx, size_t *update_idx);
     void loadMaterial(const std::string & name);
     bool buildVBO();
+    GLuint loadTexture(const std::string & path);
 
     /* variables */
     std::vector<Vertex> m_vertices[VERTEX_TYPES];
@@ -130,6 +131,7 @@ protected:
     bool m_do_textures;
     size_t m_n_floats_per_vref;
     size_t m_num_materials;
+    std::map<std::string, GLuint> m_textures;
 };
 
 #endif