98 lines
2.9 KiB
C#
98 lines
2.9 KiB
C#
using System.Xml;
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using RobloxFiles.DataTypes;
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using RobloxFiles.XmlFormat;
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namespace RobloxFiles.Tokens
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{
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public class Color3Token : IXmlPropertyToken, IAttributeToken<Color3>
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{
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public string XmlPropertyToken => "Color3";
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private readonly string[] XmlFields = new string[3] { "R", "G", "B" };
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public AttributeType AttributeType => AttributeType.Color3;
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public Color3 ReadAttribute(RbxAttribute attr) => ReadColor3(attr);
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public void WriteAttribute(RbxAttribute attr, Color3 value) => WriteColor3(attr, value);
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public static Color3 ReadColor3(RbxAttribute attr)
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{
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float r = attr.ReadFloat(),
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g = attr.ReadFloat(),
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b = attr.ReadFloat();
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return new Color3(r, g, b);
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}
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public static void WriteColor3(RbxAttribute attr, Color3 value)
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{
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attr.WriteFloat(value.R);
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attr.WriteFloat(value.G);
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attr.WriteFloat(value.B);
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}
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public bool ReadProperty(Property prop, XmlNode token)
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{
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bool success = true;
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float[] fields = new float[XmlFields.Length];
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for (int i = 0; i < fields.Length; i++)
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{
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string key = XmlFields[i];
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try
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{
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var coord = token[key];
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string text = coord?.InnerText;
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if (text == null)
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{
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text = "0";
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success = false;
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}
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fields[i] = Formatting.ParseFloat(text);
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}
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catch
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{
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success = false;
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break;
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}
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}
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if (success)
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{
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float r = fields[0],
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g = fields[1],
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b = fields[2];
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prop.Type = PropertyType.Color3;
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prop.Value = new Color3(r, g, b);
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}
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else
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{
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// Try falling back to the Color3uint8 technique...
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var color3uint8 = XmlPropertyTokens.GetHandler<Color3uint8Token>();
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success = color3uint8.ReadProperty(prop, token);
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}
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return success;
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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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Color3 color = prop.CastValue<Color3>();
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float[] rgb = new float[3] { color.R, color.G, color.B };
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for (int i = 0; i < 3; i++)
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{
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string field = XmlFields[i];
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float value = rgb[i];
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XmlElement channel = doc.CreateElement(field);
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channel.InnerText = value.ToInvariantString();
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node.AppendChild(channel);
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}
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}
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}
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}
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