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using System; |
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using System.Xml; |
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using Oni.Metadata; |
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using Oni.Xml; |
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|
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namespace Oni.Sound |
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{ |
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internal sealed class OsbdXmlExporter : RawXmlExporter |
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{ |
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private OsbdXmlExporter(BinaryReader reader, XmlWriter xml) |
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: base(reader, xml) |
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{ |
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} |
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|
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public static void Export(BinaryReader reader, XmlWriter xml) |
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{ |
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var exporter = new OsbdXmlExporter(reader, xml); |
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exporter.Export(); |
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} |
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|
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private void Export() |
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{ |
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int tag = Reader.ReadInt32(); |
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int size = Reader.ReadInt32(); |
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int version = Reader.ReadInt32(); |
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|
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if (version > 6) |
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throw new NotSupportedException("Sound version {0} is not supported"); |
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|
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switch (tag) |
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{ |
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case SoundMetadata.OSAm: |
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Xml.WriteStartElement("AmbientSound"); |
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ExportAmbient(version); |
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break; |
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|
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case SoundMetadata.OSGr: |
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Xml.WriteStartElement("SoundGroup"); |
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ExportGroup(version); |
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break; |
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|
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case SoundMetadata.OSIm: |
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Xml.WriteStartElement("ImpulseSound"); |
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ExportImpulse(version); |
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break; |
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|
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default: |
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throw new NotSupportedException(string.Format("Unknown sound binary data tag {0:X}", tag)); |
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} |
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|
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Xml.WriteEndElement(); |
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} |
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|
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private void ExportGroup(int version) |
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{ |
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if (version < 6) |
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{ |
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float volume = 1.0f; |
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float pitch = 1.0f; |
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var flags = SoundMetadata.OSGrFlags.None; |
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int channelCount; |
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int permutationCount; |
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|
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if (version >= 2) |
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volume = Reader.ReadSingle(); |
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|
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if (version >= 3) |
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pitch = Reader.ReadSingle(); |
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|
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channelCount = Reader.ReadInt32(); |
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permutationCount = Reader.ReadInt32(); |
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|
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if (permutationCount >= 4) |
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flags |= SoundMetadata.OSGrFlags.PreventRepeat; |
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|
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Xml.WriteElementString("Volume", XmlConvert.ToString(volume)); |
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Xml.WriteElementString("Pitch", XmlConvert.ToString(pitch)); |
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Xml.WriteStartElement("Flags"); |
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Xml.WriteString(MetaEnum.ToString(flags)); |
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Xml.WriteEndElement(); |
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Xml.WriteElementString("NumberOfChannels", XmlConvert.ToString(channelCount)); |
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Xml.WriteStartElement("Permutations"); |
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|
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for (int i = 0; i < permutationCount; i++) |
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{ |
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Xml.WriteStartElement("Permutation"); |
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SoundMetadata.osgrPermutation.Accept(this); |
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Xml.WriteEndElement(); |
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} |
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|
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Xml.WriteEndElement(); |
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} |
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else |
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{ |
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SoundMetadata.osgr6.Accept(this); |
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} |
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} |
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|
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private void ExportAmbient(int version) |
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{ |
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if (version <= 4) |
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{ |
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SoundMetadata.osam4.Accept(this); |
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Xml.WriteElementString("Treshold", "3"); |
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Xml.WriteElementString("MinOcclusion", "0"); |
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} |
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else if (version <= 5) |
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{ |
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SoundMetadata.osam5.Accept(this); |
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Xml.WriteElementString("MinOcclusion", "0"); |
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} |
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else |
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{ |
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SoundMetadata.osam6.Accept(this); |
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} |
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} |
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|
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private void ExportImpulse(int version) |
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{ |
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if (version <= 3) |
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{ |
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SoundMetadata.osim3.Accept(this); |
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Xml.WriteStartElement("AlternateImpulse"); |
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Xml.WriteElementString("Treshold", "0"); |
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Xml.WriteStartElement("Impulse"); |
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Xml.WriteString(""); |
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Xml.WriteEndElement(); |
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Xml.WriteEndElement(); |
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Xml.WriteElementString("ImpactVelocity", "0"); |
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Xml.WriteElementString("MinOcclusion", "0"); |
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} |
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else if (version <= 4) |
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{ |
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SoundMetadata.osim4.Accept(this); |
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Xml.WriteElementString("ImpactVelocity", "0"); |
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Xml.WriteElementString("MinOcclusion", "0"); |
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} |
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else if (version <= 5) |
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{ |
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SoundMetadata.osim5.Accept(this); |
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Xml.WriteElementString("MinOcclusion", "0"); |
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} |
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else |
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{ |
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SoundMetadata.osim6.Accept(this); |
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} |
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} |
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} |
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} |