/// <summary>
/// Initializes a new instance of the <see cref="VertexCompressor"/> class.
/// </summary>
/// <param name="info">The compression info to use.</param>
public VertexCompressor(RenderModel.CompressionInfo info)
{
_info = info;
_xScale = info.PositionMaxX - info.PositionMinX;
_yScale = info.PositionMaxY - info.PositionMinY;
_zScale = info.PositionMaxZ - info.PositionMinZ;
_uScale = info.TextureMaxU - info.TextureMinU;
_vScale = info.TextureMaxV - info.TextureMinV;
}
public static CommandContext Create(CommandContext parent, OpenTagCache info, TagInstance tag, RenderModel renderModel)
{
var groupName = info.StringIds.GetString(tag.GroupName);
var context = new CommandContext(parent,
string.Format("{0:X8}.{1}", tag.Index, groupName));
Populate(context, info, tag, renderModel);
return context;
}
public SpecifyShadersCommand(OpenTagCache info, TagInstance tag, RenderModel definition)
: base(CommandFlags.Inherit,
"SpecifyShaders",
"Allows the shaders of a render_model to be respecified.",
"SpecifyShaders",
"Allows the shaders of a render_model to be respecified.")
{
Info = info;
Tag = tag;
Definition = definition;
}
/// <summary>
/// Adds a node to the model.
/// </summary>
/// <param name="node">The node to add.</param>
/// <returns>The node index.</returns>
public byte AddNode(RenderModel.Node node)
{
_model.Nodes.Add(node);
// Generate runtime data
_model.RuntimeNodes.Add(new RenderModel.RuntimeNode
{
Translation = node.DefaultTranslation,
Rotation = node.DefaultRotation,
Scale = node.DefaultScale,
});
return (byte)(_model.Nodes.Count - 1);
}
/// <summary>
/// Get an Assimp matrix for the mesh of a rendermesh.
/// This is an approximation of the logic applied by the
/// game to scaling the model using the assigned node.
/// </summary>
public static Assimp.Matrix4x4 getMatForMesh(RenderModel model, Mesh mesh)
{
var rot_mat = Assimp.Matrix3x3.Identity;
int node_idx = mesh.RigidNodeIndex;
if (node_idx < 0) {
node_idx = 0;
}
if (node_idx < model.Nodes.Count)
{
float s = model.Nodes[node_idx].DefaultScale;
RenderModel.Node node = model.Nodes[node_idx];
rot_mat = new Assimp.Matrix3x3(node.InverseForward.X *s , node.InverseForward.Y * s, node.InverseForward.Z*s,
node.InverseLeft.X*s, node.InverseLeft.Y*s, node.InverseLeft.Z*s,
node.InverseUp.X*s, node.InverseUp.Y*s, node.InverseUp.Z*s);
//Console.WriteLine("Loaded matrix: {0}", rot_mat);
}
var matrix_local = new Assimp.Matrix4x4(rot_mat);
return matrix_local;
}
public static void Populate(CommandContext context, OpenTagCache info, TagInstance tag, RenderModel renderModel)
{
context.AddCommand(new SpecifyShadersCommand(info, tag, renderModel));
}
/// <summary>
/// Adds a material to the model.
/// </summary>
/// <param name="material">The material.</param>
/// <returns>The material index.</returns>
public short AddMaterial(RenderModel.Material material)
{
_model.Materials.Add(material);
return (short)(_model.Materials.Count - 1);
}