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using System; |
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using Oni.Motoko; |
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|
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namespace Oni.Totoro |
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{ |
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internal static class BodyDatReader |
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{ |
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public static Body Read(InstanceDescriptor source) |
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{ |
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InstanceDescriptor trcm = ReadTRCM(source); |
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|
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InstanceDescriptor trga; |
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InstanceDescriptor trta; |
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InstanceDescriptor tria; |
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|
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using (var reader = trcm.OpenRead(84)) |
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{ |
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trga = reader.ReadInstance(); |
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trta = reader.ReadInstance(); |
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tria = reader.ReadInstance(); |
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} |
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|
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var geometries = ReadTRGA(trga); |
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var translations = ReadTRTA(trta); |
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var indices = ReadTRIA(tria); |
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|
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var nodes = new BodyNode[geometries.Length]; |
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|
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for (int i = 0; i < nodes.Length; i++) |
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{ |
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nodes[i] = new BodyNode |
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{ |
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Name = BodyNode.Names[i], |
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Index = i, |
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Geometry = geometries[i], |
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Translation = translations[i], |
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}; |
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} |
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|
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for (int i = 0; i < nodes.Length; i++) |
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{ |
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var node = nodes[i]; |
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|
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for (int j = indices[i].FirstChildIndex; j != 0; j = indices[j].SiblingIndex) |
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{ |
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nodes[j].Parent = node; |
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node.Nodes.Add(nodes[j]); |
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} |
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} |
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|
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var body = new Body(); |
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body.Nodes.AddRange(nodes); |
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return body; |
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} |
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|
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private static InstanceDescriptor ReadTRCM(InstanceDescriptor source) |
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{ |
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if (source.Template.Tag == TemplateTag.TRCM) |
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return source; |
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|
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if (source.Template.Tag == TemplateTag.ONCC) |
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source = Game.CharacterClass.Read(source).Body; |
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|
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if (source.Template.Tag != TemplateTag.TRBS) |
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throw new InvalidOperationException(string.Format("Invalid body source type {0}", source.Template.Tag)); |
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|
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return ReadTRBS(source).Last(); |
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} |
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|
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private static InstanceDescriptor[] ReadTRBS(InstanceDescriptor trbs) |
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{ |
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using (var reader = trbs.OpenRead()) |
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return reader.ReadInstanceArray(5); |
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} |
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|
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private static Geometry[] ReadTRGA(InstanceDescriptor trga) |
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{ |
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InstanceDescriptor[] descriptors; |
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|
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using (var reader = trga.OpenRead(22)) |
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descriptors = reader.ReadInstanceArray(reader.ReadInt16()); |
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|
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var geometries = new Geometry[descriptors.Length]; |
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|
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for (int i = 0; i < descriptors.Length; i++) |
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geometries[i] = GeometryDatReader.Read(descriptors[i]); |
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|
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return geometries; |
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} |
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|
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private static Vector3[] ReadTRTA(InstanceDescriptor trta) |
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{ |
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using (var reader = trta.OpenRead(22)) |
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return reader.ReadVector3Array(reader.ReadInt16()); |
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} |
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|
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private struct NodeIndices |
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{ |
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public byte ParentIndex; |
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public byte FirstChildIndex; |
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public byte SiblingIndex; |
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} |
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|
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private static NodeIndices[] ReadTRIA(InstanceDescriptor tria) |
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{ |
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using (var reader = tria.OpenRead(22)) |
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{ |
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var indices = new NodeIndices[reader.ReadInt16()]; |
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|
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for (int i = 0; i < indices.Length; i++) |
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{ |
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indices[i].ParentIndex = reader.ReadByte(); |
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indices[i].FirstChildIndex = reader.ReadByte(); |
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indices[i].SiblingIndex = reader.ReadByte(); |
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reader.Skip(1); |
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} |
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|
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return indices; |
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} |
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} |
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} |
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} |
