compose descriptionparser

scripts/systems/DescriptionParser.cs

@@ -0,0 +1,173 @@
+using System.Collections.Generic;
+using Newlon.Components.Plants;
+using Newlon.Systems.Effects;
+using Godot;
+using Newlon.Resources;
+
+namespace Newlon;
+
+public static class DescriptionParser
+{
+	public static string GetParsed(EntityResource resource, Node searchScene)
+	{
+		string descriptionText;
+		if (resource.isDescriptionParsed == false)
+		{
+			var unparsedDescription = TranslationServer.Translate(resource.DescriptionKey);
+			var keys = GetRequestedKeys(unparsedDescription);
+			FillPlaceholders(keys, resource, searchScene);
+			descriptionText = ReplaceTextUsingDict(keys, unparsedDescription);
+
+			resource.parsedDescription = descriptionText;
+			resource.isDescriptionParsed = true;
+		}
+		else
+		{
+			descriptionText = resource.parsedDescription;
+		}
+		return descriptionText;
+	}
+	private static Dictionary<string, float> GetRequestedKeys(string text)
+	{
+		var result = new Dictionary<string, float>();
+		int start = -1;
+
+		for (int i = 0; i < text.Length; i++)
+		{
+			if (text[i] == '{')
+			{
+				start = i;
+			}
+			if (text[i] == '}')
+			{
+				if (start == -1) continue;
+				result.Add(text.Substr(start + 1, i - start - 1), 0);
+				start = -1;
+			}
+		}
+
+		return result;
+	}
+	private static void FillPlaceholders(Dictionary<string, float> placeholderDictionary, EntityResource resource, Node searchScene)
+	{
+		var searchList = new List<GodotObject>() { resource, searchScene };
+		while (searchList.Count > 0)
+		{
+			var lookedObject = searchList[0];
+			searchList.RemoveAt(0);
+
+			if (lookedObject is Node lookedNode)
+				searchList.AddRange(lookedNode.GetChildren());
+			if (lookedObject is Shooter shooter)
+			{
+				var projectile = shooter._projectile.Instantiate();
+				searchList.Add(projectile);
+			}
+			foreach (var property in lookedObject.GetPropertyList())
+			{
+				if ((Variant.Type)property["type"].AsInt32() == Variant.Type.Object)
+				{
+					if (lookedObject.Get(property["name"].AsString()).AsGodotObject() is Effect effect)
+					{
+						searchList.Add(effect);
+					}
+				}
+			}
+
+			foreach (var key in placeholderDictionary.Keys)
+			{
+				string request = key.Split('|')[0];
+				var namePropertyPair = request.Split('.');
+				Variant property;
+				if (namePropertyPair.Length == 2)
+				{
+					if ((namePropertyPair[0] == "?" && lookedObject != searchScene) || (namePropertyPair[0] != "?" && lookedObject is Node node && node.Name != namePropertyPair[0]))
+					{
+						continue;
+					}
+					property = lookedObject.Get(namePropertyPair[1]);
+				}
+				else
+				{
+					property = lookedObject.Get(namePropertyPair[0]);
+				}
+				if (property.VariantType == Variant.Type.Nil)
+				{
+					continue;
+				}
+
+				float value = property.As<float>();
+				value = float.Round(value, 3);
+
+				placeholderDictionary[key] = value;
+			}
+
+
+		}
+		
+		// Apply any modifiers
+		foreach (var key in placeholderDictionary.Keys)
+		{
+			if (key.Split('|').Length < 2) continue;
+			string[] modifiers = key.Split('|')[1..];
+
+			float value = placeholderDictionary[key];
+
+			for (int i = 0; i < modifiers.Length; i++)
+			{
+				if (modifiers[i] != "")
+				{
+					switch (modifiers[i][0])
+					{
+						case '%':
+							value *= 100;
+							break;
+						case '*':
+							if (placeholderDictionary.ContainsKey(modifiers[i][1..]))
+							{
+								value *= placeholderDictionary[modifiers[i][1..]];
+							}
+							else if (float.TryParse(modifiers[i][1..], out float mult))
+							{
+								value *= mult;
+							}
+							break;
+						case '/':
+							if (placeholderDictionary.ContainsKey(modifiers[i][1..]))
+							{
+								value /= placeholderDictionary[modifiers[i][1..]];
+							}
+							else if (float.TryParse(modifiers[i][1..], out float div))
+							{
+								value /= div;
+							}
+							break;
+						case '+':
+							if (float.TryParse(modifiers[i][1..], out float add))
+							{
+								value += add;
+							}
+							break;
+						case '-':
+							if(float.TryParse(modifiers[i][1..], out float sub))
+							{
+								value -= sub;
+							}
+							break;
+					}
+				}
+			}
+
+			placeholderDictionary[key] = value;
+		}
+	}
+	private static string ReplaceTextUsingDict(Dictionary<string, float> dictionary, string text)
+	{
+		var resStr = text;
+		foreach (var key in dictionary.Keys)
+		{
+			resStr = resStr.Replace('{' + key + '}', dictionary[key].ToString());
+		}
+		return resStr;
+	}
+}

scripts/systems/DescriptionParser.cs.uid

@@ -0,0 +1 @@
+uid://bmb41nht2es3h