82 lines
2.6 KiB
C#
82 lines
2.6 KiB
C#
using System.Xml;
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using RobloxFiles.DataTypes;
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namespace RobloxFiles.Tokens
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{
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public class NumberSequenceToken : IXmlPropertyToken, IAttributeToken<NumberSequence>
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{
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public string XmlPropertyToken => "NumberSequence";
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public AttributeType AttributeType => AttributeType.NumberSequence;
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public bool ReadProperty(Property prop, XmlNode token)
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{
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string contents = token.InnerText.Trim();
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string[] buffer = contents.Split(' ');
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int length = buffer.Length;
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bool valid = (length % 3 == 0);
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if (valid)
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{
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try
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{
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NumberSequenceKeypoint[] keypoints = new NumberSequenceKeypoint[length / 3];
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for (int i = 0; i < length; i += 3)
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{
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float Time = Formatting.ParseFloat(buffer[ i ]);
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float Value = Formatting.ParseFloat(buffer[i + 1]);
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float Envelope = Formatting.ParseFloat(buffer[i + 2]);
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keypoints[i / 3] = new NumberSequenceKeypoint(Time, Value, Envelope);
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}
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prop.Type = PropertyType.NumberSequence;
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prop.Value = new NumberSequence(keypoints);
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}
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catch
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{
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valid = false;
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}
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}
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return valid;
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}
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public void WriteProperty(Property prop, XmlDocument doc, XmlNode node)
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{
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NumberSequence value = prop.CastValue<NumberSequence>();
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node.InnerText = value.ToString() + ' ';
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}
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public NumberSequence ReadAttribute(RbxAttribute attr)
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{
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int numKeys = attr.ReadInt();
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var keypoints = new NumberSequenceKeypoint[numKeys];
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for (int i = 0; i < numKeys; i++)
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{
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float envelope = attr.ReadInt(),
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time = attr.ReadFloat(),
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value = attr.ReadFloat();
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keypoints[i] = new NumberSequenceKeypoint(time, value, envelope);
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}
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return new NumberSequence(keypoints);
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}
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public void WriteAttribute(RbxAttribute attr, NumberSequence value)
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{
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attr.WriteInt(value.Keypoints.Length);
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foreach (var keypoint in value.Keypoints)
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{
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attr.WriteFloat(keypoint.Envelope);
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attr.WriteFloat(keypoint.Time);
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attr.WriteFloat(keypoint.Value);
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}
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}
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}
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}
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