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using System; |
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using System.Collections.Generic; |
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using System.IO; |
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|
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namespace Oni.Totoro |
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{ |
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internal class BodyDaeReader |
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{ |
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private Body body; |
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private float shellOffset = 0.07f; |
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private bool generateNormals; |
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private bool flatNormals; |
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|
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private BodyDaeReader() |
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{ |
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} |
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|
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public static Body Read(Dae.Scene scene) |
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{ |
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var reader = new BodyDaeReader |
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{ |
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body = new Body() |
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}; |
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|
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reader.ReadBodyParts(scene); |
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return reader.body; |
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} |
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|
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public static Body Read(Dae.Scene scene, bool generateNormals, bool flatNormals, float shellOffset) |
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{ |
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var reader = new BodyDaeReader |
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{ |
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body = new Body(), |
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flatNormals = flatNormals, |
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generateNormals = generateNormals, |
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shellOffset = shellOffset |
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}; |
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|
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reader.ReadBodyParts(scene); |
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return reader.body; |
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} |
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|
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private void ReadBodyParts(Dae.Scene scene) |
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{ |
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var rootBodyNode = FindRootNode(scene); |
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|
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if (rootBodyNode == null) |
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throw new InvalidDataException("The scene does not contain any geometry nodes."); |
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|
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// |
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// Make sure the pelvis is not translated from origin. |
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// |
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|
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rootBodyNode.Translation = Vector3.Zero; |
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|
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if (body.Nodes.Count != 19) |
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Console.Error.WriteLine("Non standard bone count: {0}", body.Nodes.Count); |
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} |
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|
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private BodyNode FindRootNode(Dae.Node daeNode) |
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{ |
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if (daeNode.GeometryInstances.Any()) |
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return ReadNode(daeNode, null); |
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|
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foreach (var childDaeNode in daeNode.Nodes) |
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{ |
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var bodyNode = FindRootNode(childDaeNode); |
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|
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if (bodyNode != null) |
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return bodyNode; |
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} |
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|
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return null; |
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} |
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|
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private BodyNode ReadNode(Dae.Node daeNode, BodyNode parentNode) |
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{ |
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var bodyNode = new BodyNode |
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{ |
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DaeNode = daeNode, |
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Parent = parentNode, |
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Index = body.Nodes.Count |
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}; |
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|
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body.Nodes.Add(bodyNode); |
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|
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// |
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// Find and read the geometry for this node |
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// |
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|
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foreach (var geometryInstance in daeNode.GeometryInstances.Where(n => n.Target != null)) |
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{ |
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var daeGeometry = geometryInstance.Target; |
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|
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if (bodyNode.Geometry != null) |
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Console.Error.WriteLine("The node {0} contains more than one geometry. Only the first geometry will be used.", daeGeometry.Name); |
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|
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bodyNode.Geometry = Motoko.GeometryDaeReader.Read(daeGeometry, generateNormals, flatNormals, shellOffset); |
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} |
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|
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// |
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// Extract the translation part of this node's transform |
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// |
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|
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bodyNode.Translation = daeNode.Transforms.ToMatrix().Translation; |
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|
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// |
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// Read child nodes |
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// |
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|
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foreach (var daeChildNode in daeNode.Nodes) |
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bodyNode.Nodes.Add(ReadNode(daeChildNode, parentNode)); |
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|
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return bodyNode; |
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} |
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} |
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} |
