From d556ef69bf367a3df09fc2a0a85c0a4d37639d09 Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop+git@gmail.com>
Date: Tue, 11 Oct 2011 12:11:24 -0400
Subject: [PATCH] fill out LogoBox::draw(), rendering logos with shaders now

---
 src/LogoBox.cc | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/src/LogoBox.cc b/src/LogoBox.cc
index bec312a..bdd8526 100644
--- a/src/LogoBox.cc
+++ b/src/LogoBox.cc
@@ -93,10 +93,45 @@ bool LogoBox::loadShaders()
     glUniform4f(diffuse_loc, 1.0, 0.6, 0.0, 1.0);
     glUniform4f(specular_loc, 1.0, 1.0, 1.0, 1.0);
     glUniform1f(shininess_loc, 85.0);
+    return true;
+}
+
+static void renderMaterial(const WFObj::Material & m)
+{
+    if (m.flags & WFObj::Material::SHININESS_BIT)
+        glUniform1f(shininess_loc, m.shininess);
+    if (m.flags & WFObj::Material::AMBIENT_BIT)
+        glUniform4fv(ambient_loc, 1, &m.ambient[0]);
+    if (m.flags & WFObj::Material::DIFFUSE_BIT)
+        glUniform4fv(diffuse_loc, 1, &m.diffuse[0]);
+    if (m.flags & WFObj::Material::SPECULAR_BIT)
+        glUniform4fv(specular_loc, 1, &m.specular[0]);
+    if (m.flags & WFObj::Material::TEXTURE_BIT)
+    {
+        cerr << "error: textured materials not implemented yet" << endl;
+    }
 }
 
 void LogoBox::draw()
 {
     if (!loaded)
         return;
+    obj.bindBuffers();
+    glUseProgram(program);
+    glEnableVertexAttribArray(LOC_POSITION);
+    glEnableVertexAttribArray(LOC_NORMAL);
+    int stride = obj.getStride();
+    glVertexAttribPointer(LOC_POSITION, 3, GL_FLOAT, GL_FALSE,
+            stride, (GLvoid *) obj.getVertexOffset());
+    glVertexAttribPointer(LOC_NORMAL, 3, GL_FLOAT, GL_FALSE,
+            stride, (GLvoid *) obj.getNormalOffset());
+    for (map<string, WFObj::Material>::iterator it = obj.getMaterials().begin();
+            it != obj.getMaterials().end();
+            it++)
+    {
+        renderMaterial(it->second);
+        glDrawElements(GL_TRIANGLES, it->second.num_vertices,
+                GL_UNSIGNED_SHORT,
+                (GLvoid *) (sizeof(GLushort) * it->second.first_vertex));
+    }
 }