public static VertexDeclaration ReadVertexDeclaration(XNAGame game, TWXmlNode node)
{
if (node.Value == "NULL")
{
return(null);
}
TWXmlNode elementsNode = node.FindChildNode("Elements");
VertexElement[] elements = new VertexElement[elementsNode.GetAttributeInt("count")];
TWXmlNode[] elementNodes = elementsNode.FindChildNodes("VertexElement");
if (elementNodes.Length != elements.Length)
{
throw new InvalidOperationException("Invalid XML format!");
}
for (int i = 0; i < elementNodes.Length; i++)
{
TWXmlNode elementNode = elementNodes[i];
VertexElement element = new VertexElement();
element.Offset = short.Parse(elementNode.ReadChildNodeValue("Offset"));
element.Stream = short.Parse(elementNode.ReadChildNodeValue("Stream"));
element.UsageIndex = byte.Parse(elementNode.ReadChildNodeValue("UsageIndex"));
element.VertexElementFormat = (VertexElementFormat)System.Enum.Parse(typeof(VertexElementFormat), elementNode.ReadChildNodeValue("VertexElementFormat"));
element.VertexElementMethod = (VertexElementMethod)System.Enum.Parse(typeof(VertexElementMethod), elementNode.ReadChildNodeValue("VertexElementMethod"));
element.VertexElementUsage = (VertexElementUsage)System.Enum.Parse(typeof(VertexElementUsage), elementNode.ReadChildNodeValue("VertexElementUsage"));
elements[i] = element;
}
return(new VertexDeclaration(game.GraphicsDevice, elements));
}
public static Vector2 ReadVector2(TWXmlNode node)
{
Vector2 v = new Vector2();
v.X = float.Parse(node.ReadChildNodeValue("X"));
v.Y = float.Parse(node.ReadChildNodeValue("Y"));
return(v);
}
private static Quaternion ReadQuaternion(TWXmlNode node)
{
Quaternion q = new Quaternion();
q.X = float.Parse(node.ReadChildNodeValue("X"));
q.Y = float.Parse(node.ReadChildNodeValue("Y"));
q.Z = float.Parse(node.ReadChildNodeValue("Z"));
q.W = float.Parse(node.ReadChildNodeValue("W"));
return(q);
}
public static BoundingSphere ReadBoundingSphere(TWXmlNode node)
{
Vector3 center = ReadVector3(node.FindChildNode("Center"));
float radius = float.Parse(node.ReadChildNodeValue("Radius"));
return(new BoundingSphere(center, radius));
}
public static VertexBuffer ReadVertexBuffer(TWXmlNode node, XNAGame game)
{
if (node.Value == "NULL")
{
return(null);
}
BufferUsage bufferUsage = (BufferUsage)Enum.Parse(typeof(BufferUsage), node.ReadChildNodeValue("BufferUsage"));
TWXmlNode dataNode = node.FindChildNode("Data");
int length = dataNode.GetAttributeInt("length");
byte[] data = new byte[length];
data = Convert.FromBase64String(dataNode.ReadCData());
VertexBuffer vb = new VertexBuffer(game.GraphicsDevice, length, bufferUsage);
vb.SetData <byte>(data);
return(vb);
}