riversong code showcase
This commit is contained in:
Daniele Marotta
292
Source/Riversong/Game/UI/DayNightUITheme.cs
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292
Source/Riversong/Game/UI/DayNightUITheme.cs
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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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using System.Text.RegularExpressions;
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using Sirenix.OdinInspector;
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using UnityEngine;
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#if UNITY_EDITOR
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using UnityEditor;
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#endif
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namespace DanieleMarotta.RiversongCodeShowcase
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{
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[CreateAssetMenu(fileName = "DayNightUITheme", menuName = "Riversong Code Showcase/Day Night UI Theme")]
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public class DayNightUITheme : ScriptableObject
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{
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private const string CommonUssAssetPath = "_Project/GameAssets/UI/Common.uss";
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private const string CommonUssEditorAssetPath = "Assets/_Project/GameAssets/UI/Common.uss";
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private static readonly Regex RootColorVariableRegex = new(@"^(?<name>--[a-z0-9-]+)\s*:\s*(?<value>#[0-9A-Fa-f]{6,8})\s*;$", RegexOptions.Compiled);
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[TableList(AlwaysExpanded = true, ShowIndexLabels = true, HideToolbar = true)]
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[ListDrawerSettings(DefaultExpandedState = true, DraggableItems = false, HideAddButton = true, HideRemoveButton = true, ShowFoldout = false)]
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public List<ThemeColorProperty> Properties = new();
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internal IReadOnlyList<ThemeColorProperty> OrderedProperties => Properties;
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private void OnEnable()
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{
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EnsureProperties();
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}
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private void OnValidate()
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{
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EnsureProperties();
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}
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private void EnsureProperties()
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{
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Properties ??= new List<ThemeColorProperty>();
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var definitions = GetThemePropertyDefinitions();
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var existingProperties = Properties;
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var existingPropertiesByName = CreatePropertiesByName(existingProperties);
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var definitionNames = CreateDefinitionNames(definitions);
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var orderedProperties = new List<ThemeColorProperty>(definitions.Count);
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for (var i = 0; i < definitions.Count; i++)
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{
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var definition = definitions[i];
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var property = TryGetProperty(existingPropertiesByName, definition.Name) ?? TryGetSameIndexFallbackProperty(existingProperties, definitionNames, i);
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property ??= new ThemeColorProperty(definition.Name, Color.white, Color.white);
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property.Name = definition.Name;
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orderedProperties.Add(property);
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}
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Properties = orderedProperties;
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}
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private static Dictionary<string, ThemeColorProperty> CreatePropertiesByName(IEnumerable<ThemeColorProperty> properties)
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{
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var propertiesByName = new Dictionary<string, ThemeColorProperty>(StringComparer.Ordinal);
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foreach (var property in properties)
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{
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if (property == null || string.IsNullOrWhiteSpace(property.Name)) continue;
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propertiesByName.TryAdd(property.Name, property);
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}
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return propertiesByName;
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}
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private static HashSet<string> CreateDefinitionNames(IEnumerable<ThemePropertyDefinition> definitions)
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{
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var names = new HashSet<string>(StringComparer.Ordinal);
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foreach (var definition in definitions) names.Add(definition.Name);
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return names;
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}
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private static ThemeColorProperty TryGetProperty(Dictionary<string, ThemeColorProperty> propertiesByName, string propertyName)
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{
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return propertiesByName.GetValueOrDefault(propertyName);
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}
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private static ThemeColorProperty TryGetSameIndexFallbackProperty(IReadOnlyList<ThemeColorProperty> existingProperties, HashSet<string> definitionNames, int index)
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{
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if (index >= existingProperties.Count) return null;
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var property = existingProperties[index];
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if (property == null) return null;
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return string.IsNullOrWhiteSpace(property.Name) || !definitionNames.Contains(property.Name) ? property : null;
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}
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private static List<ThemePropertyDefinition> GetThemePropertyDefinitions()
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{
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return TryReadThemePropertyDefinitionsFromCommonUss();
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}
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private static List<ThemePropertyDefinition> TryReadThemePropertyDefinitionsFromCommonUss()
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{
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var path = GetCommonUssFullPath();
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if (!File.Exists(path)) return new List<ThemePropertyDefinition>();
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var definitions = new List<ThemePropertyDefinition>();
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var lines = File.ReadAllLines(path);
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var inRootBlock = false;
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foreach (var rawLine in lines)
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{
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var line = rawLine.Trim();
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if (!inRootBlock)
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{
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if (line == ":root {") inRootBlock = true;
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continue;
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}
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if (line == "}") break;
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var match = RootColorVariableRegex.Match(line);
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if (!match.Success) continue;
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var name = match.Groups["name"].Value;
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var dayColor = FromHex(match.Groups["value"].Value);
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var nightColor = GetDefaultNightColor(name, dayColor);
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definitions.Add(new ThemePropertyDefinition(name, dayColor, nightColor));
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}
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return definitions;
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}
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private static Color GetDefaultNightColor(string name, Color dayColor)
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{
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return name switch
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{
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"--wood-color" => FromHex("#424C54"),
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_ => dayColor
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};
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}
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private static Color FromHex(string hex)
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{
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if (ColorUtility.TryParseHtmlString(hex, out var color)) return color;
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throw new ArgumentException($"Invalid color value: {hex}", nameof(hex));
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}
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private static string GetCommonUssFullPath()
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{
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return Path.Combine(Application.dataPath, CommonUssAssetPath.Replace('/', Path.DirectorySeparatorChar));
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}
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private static string ToHex(Color color)
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{
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var color32 = (Color32)color;
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return color32.a == byte.MaxValue ? $"#{color32.r:X2}{color32.g:X2}{color32.b:X2}" : $"#{color32.r:X2}{color32.g:X2}{color32.b:X2}{color32.a:X2}";
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}
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private readonly struct ThemePropertyDefinition
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{
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public readonly string Name;
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public readonly Color DayColor;
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public readonly Color NightColor;
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public ThemePropertyDefinition(string name, Color dayColor, Color nightColor)
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{
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Name = name;
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DayColor = dayColor;
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NightColor = nightColor;
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}
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}
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[Serializable]
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public class ThemeColorProperty
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{
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[ReadOnly]
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public string Name;
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public Color DayColor = Color.white;
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public Color NightColor = Color.white;
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public ThemeColorProperty()
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{
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}
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public ThemeColorProperty(string name, Color dayColor, Color nightColor)
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{
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Name = name;
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DayColor = dayColor;
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NightColor = nightColor;
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}
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}
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#if UNITY_EDITOR
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[HorizontalGroup("Sync")]
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[Button("Copy Day Colors From USS", ButtonSizes.Large)]
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[GUIColor("cyan")]
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private void CopyDayColorsFromUss()
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{
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EnsureProperties();
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var definitions = TryReadThemePropertyDefinitionsFromCommonUss();
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if (definitions.Count == 0)
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{
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Debug.LogWarning($"Could not read any theme properties from '{CommonUssEditorAssetPath}'.", this);
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return;
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}
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var propertiesByName = CreatePropertiesByName(Properties);
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foreach (var definition in definitions)
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{
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if (!propertiesByName.TryGetValue(definition.Name, out var property)) continue;
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property.DayColor = definition.DayColor;
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}
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EditorUtility.SetDirty(this);
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AssetDatabase.SaveAssetIfDirty(this);
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}
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[HorizontalGroup("Sync")]
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[Button("Apply Day Colors To USS", ButtonSizes.Large)]
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[GUIColor("cyan")]
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private void ApplyDayColorsToUss()
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{
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EnsureProperties();
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var path = GetCommonUssFullPath();
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if (!File.Exists(path))
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{
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Debug.LogWarning($"Could not find '{CommonUssEditorAssetPath}'.", this);
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return;
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}
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var propertiesByName = CreatePropertiesByName(Properties);
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var lines = File.ReadAllLines(path);
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var updatedAnyLine = false;
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var inRootBlock = false;
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for (var i = 0; i < lines.Length; i++)
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{
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var rawLine = lines[i];
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var trimmedLine = rawLine.Trim();
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if (!inRootBlock)
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{
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if (trimmedLine == ":root {") inRootBlock = true;
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continue;
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}
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if (trimmedLine == "}") break;
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var match = RootColorVariableRegex.Match(trimmedLine);
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if (!match.Success) continue;
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var propertyName = match.Groups["name"].Value;
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if (!propertiesByName.TryGetValue(propertyName, out var property)) continue;
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var indentationLength = rawLine.Length - rawLine.TrimStart().Length;
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var indentation = rawLine.Substring(0, indentationLength);
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lines[i] = $"{indentation}{propertyName}: {ToHex(property.DayColor)};";
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updatedAnyLine = true;
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}
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if (!updatedAnyLine)
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{
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Debug.LogWarning($"No matching ':root' theme color properties were updated in '{CommonUssEditorAssetPath}'.", this);
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return;
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}
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File.WriteAllLines(path, lines);
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AssetDatabase.ImportAsset(CommonUssEditorAssetPath);
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}
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#endif
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}
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}
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