public static Comparison CompareTo(StaticMesh left, StaticMesh right)
{
int comparison = left.Id.CompareTo(right.Id);
if (comparison > 0)
return Comparison.Greater;
else if (comparison < 0)
return Comparison.Less;
else
return Comparison.Equal;
}
public static Comparison CompareTo(StaticMesh left, string right)
{
int comparison = left.Id.CompareTo(right);
if (comparison > 0)
{
return(Comparison.Greater);
}
else if (comparison < 0)
{
return(Comparison.Less);
}
else
{
return(Comparison.Equal);
}
}
/// <summary>Creates a static model from the ids provided.</summary>
/// <param name="staticModelId">The id to represent this model as.</param>
/// <param name="textures">An array of the texture ids for each sub-mesh of this model.</param>
/// <param name="meshes">An array of each mesh id for this model.</param>
/// <param name="meshNames">An array of mesh names for this specific instanc3e of a static model.</param>
internal StaticModel(string staticModelId, string[] meshNames, string[] meshes, string[] textures)
{
if (textures.Length != meshes.Length && textures.Length != meshNames.Length)
{
throw new System.Exception("Attempting to create a static model with non-matching number of components.");
}
_id = staticModelId;
_meshes = new AvlTree_Linked <StaticMesh>(StaticMesh.CompareTo);
for (int i = 0; i < textures.Length; i++)
{
StaticMesh mesh = StaticModelManager.GetMesh(meshes[i]);
mesh.Texture = TextureManager.Get(textures[i]);
_meshes.Add(mesh);
}
_shaderOverride = null;
_position = new Vector <float>(0, 0, 0);
_scale = new Vector <float>(1, 1, 1);
_orientation = Quaternion <float> .FactoryIdentity;
}
public static int CompareTo(StaticMesh left, string right)
{
return left.Id.CompareTo(right);
}
public static int CompareTo(StaticMesh left, StaticMesh right)
{
return left.Id.CompareTo(right.Id);
}
private static void DrawStaticModelPart(StaticMesh staticMesh)
{
// Make sure something will render
if (staticMesh.VertexBufferHandle == 0 ||
(staticMesh.ColorBufferHandle == 0 && staticMesh.TextureCoordinateBufferHandle == 0))
return;
// Push current Array Buffer state so we can restore it later
GL.PushClientAttrib(ClientAttribMask.ClientVertexArrayBit);
if (GL.IsEnabled(EnableCap.Lighting))
{
// Normal Array Buffer
if (staticMesh.NormalBufferHandle != 0)
{
// Set up normals
GL.BindBuffer(BufferTarget.ArrayBuffer, staticMesh.NormalBufferHandle);
GL.NormalPointer(NormalPointerType.Float, 0, IntPtr.Zero);
GL.EnableClientState(ArrayCap.NormalArray);
}
}
else
{
// Color Array Buffer
if (staticMesh.ColorBufferHandle != 0)
{
// Set up colors
GL.BindBuffer(BufferTarget.ArrayBuffer, staticMesh.ColorBufferHandle);
GL.ColorPointer(3, ColorPointerType.Float, 0, IntPtr.Zero);
GL.EnableClientState(ArrayCap.ColorArray);
}
}
// Texture Array Buffer
if (GL.IsEnabled(EnableCap.Texture2D) && staticMesh.TextureCoordinateBufferHandle != 0)
{
// Select the texture and set up texture coordinates
GL.BindTexture(TextureTarget.Texture2D, staticMesh.Texture.GpuHandle);
GL.BindBuffer(BufferTarget.ArrayBuffer, staticMesh.TextureCoordinateBufferHandle);
GL.TexCoordPointer(2, TexCoordPointerType.Float, 0, IntPtr.Zero);
GL.EnableClientState(ArrayCap.TextureCoordArray);
}
else
// Nothing will render if this branching is reached.
return;
// Set up verteces
GL.BindBuffer(BufferTarget.ArrayBuffer, staticMesh.VertexBufferHandle);
GL.VertexPointer(3, VertexPointerType.Float, 0, IntPtr.Zero);
GL.EnableClientState(ArrayCap.VertexArray);
if (staticMesh.ElementBufferHandle != 0)
{
// Set up indeces
GL.BindBuffer(BufferTarget.ElementArrayBuffer, staticMesh.ElementBufferHandle);
GL.IndexPointer(IndexPointerType.Int, 0, IntPtr.Zero);
GL.EnableClientState(ArrayCap.IndexArray);
// Ready to render using an index buffer
int elements = 0;
//GL.DrawElements(PrimitiveType.Triangles, staticMesh.VertexCount, DrawElementsType.UnsignedInt, ref elements);
GL.DrawElements(BeginMode.Triangles, staticMesh.VertexCount, DrawElementsType.UnsignedInt, ref elements);
}
else
// Ready to render
//GL.DrawArrays(PrimitiveType.Triangles, 0, staticMesh.VertexCount);
GL.DrawArrays(BeginMode.Triangles, 0, staticMesh.VertexCount);
GL.PopClientAttrib();
}
private static void CopyMeshes(StaticMesh mesh, ListLinked<StaticMesh, string> meshes)
{
mesh.Texture.ExistingReferences++;
mesh.StaticMeshInstance.ExistingReferences++;
meshes.Add(new StaticMesh(mesh.Id, mesh.Texture, mesh.StaticMeshInstance));
}
