public void Initialize(Device device, string sceneName)
{
m_ObjectLoader.Load(sceneName + ".obj");
m_ObjectLoader.LoadMaterials(sceneName + ".mtl");
m_MaterialsResources = new TexWrapper[m_ObjectLoader.m_MatTexMappingDiffuse.Count];
int counter = 0;
foreach (var v in m_ObjectLoader.m_MatTexMappingDiffuse)
{
TexWrapper tex = new TexWrapper();
bool found = false;
foreach (var t in m_MaterialsResources)
{
if (t.textureName == v.Value)
{
tex.name = v.Key;
tex.textureName = v.Value;
tex.textureObject = t.textureObject;
tex.textureSrv = t.textureSrv;
found = true;
break;
}
}
if (!found)
{
tex.name = v.Key;
tex.textureName = v.Value;
try
{
tex.textureObject = Texture2D.FromFile(device, v.Value);
tex.textureSrv = new ShaderResourceView(device, tex.textureObject);
}
catch
{
tex.textureObject = null;
tex.textureSrv = null;
}
}
m_MaterialsResources[counter++] = tex;
}
int numVertices = m_ObjectLoader.m_Vertices.Count;
int numIndices = m_ObjectLoader.m_Indices.Count;
// create test vertex data, making sure to rewind the stream afterward
var vertices = new DataStream(8 * sizeof(System.Single) * numVertices, true, true);
foreach (var vertex in m_ObjectLoader.m_Vertices)
{
vertices.Write(new Vector3(vertex.x, vertex.y, vertex.z));
Vector3 normal = new Vector3(vertex.nx, vertex.ny, vertex.nz);
vertices.Write(normal);
Vector2 uv = new Vector2(vertex.u, vertex.v);
vertices.Write(uv);
}
vertices.Position = 0;
var indices = new DataStream(sizeof(System.Int32) * numIndices, true, true);
foreach (var index in m_ObjectLoader.m_Indices)
{
indices.Write(index);
}
indices.Position = 0;
// create the vertex layout and buffer
var elements = new[] { new InputElement("POSITION", 0, Format.R32G32B32_Float, 0), new InputElement("NORMAL", 0, Format.R32G32B32_Float, 0), new InputElement("TEXCOORD", 0, Format.R32G32_Float, 0) };
m_SceneInputLayout = new InputLayout(device, ShaderManager.GetVertexShaderSignature("VertexScene"), elements);
m_VertexBuffer = new Buffer(device, vertices, 8 * sizeof(System.Single) * numVertices, ResourceUsage.Default, BindFlags.VertexBuffer, CpuAccessFlags.None, ResourceOptionFlags.None, 0);
m_IndexBuffer = new Buffer(device, indices, 4 * numIndices, ResourceUsage.Default, BindFlags.IndexBuffer, CpuAccessFlags.None, ResourceOptionFlags.None, 0);
}
