From 5bf111d05a22073d66e6c696f475e1dd708887d6 Mon Sep 17 00:00:00 2001
From: Ellpeck <megamaximal@gmail.com>
Date: Thu, 6 Feb 2020 02:27:21 +0100
Subject: [PATCH] fixed SplitString not respecting long words

---
 Demos/UiDemo.cs                         |  1 +
 MLEM/Extensions/SpriteFontExtensions.cs | 30 +++++++++++++++++++------
 2 files changed, 24 insertions(+), 7 deletions(-)

diff --git a/Demos/UiDemo.cs b/Demos/UiDemo.cs
index 9e1b7fc..c1c18da 100644
--- a/Demos/UiDemo.cs
+++ b/Demos/UiDemo.cs
@@ -209,6 +209,7 @@ namespace Demos {
 
             root.AddChild(ElementHelper.ImageButton(Anchor.AutoLeft, new Vector2(1, 10), tree, "Button with image")).PositionOffset = new Vector2(0, 1);
             root.AddChild(new Button(Anchor.AutoLeft, new Vector2(1, 10), "Disabled button") {IsDisabled = true}).PositionOffset = new Vector2(0, 1);
+            //root.AddChild(new Paragraph(Anchor.AutoLeft, 1, "This_is_a_really_long_line_to_see_if_splitting_without_spaces_works_properly._I_also_want_to_see_if_it_works_across_multiple_lines_or_just_on_the_first_one. But after this, I want the text to continue normally before changing_back_to_being_really_long_oh_yes"));
 
             // Below are some querying examples that help you find certain elements easily
 
diff --git a/MLEM/Extensions/SpriteFontExtensions.cs b/MLEM/Extensions/SpriteFontExtensions.cs
index 8b55de2..88b0cb5 100644
--- a/MLEM/Extensions/SpriteFontExtensions.cs
+++ b/MLEM/Extensions/SpriteFontExtensions.cs
@@ -29,17 +29,33 @@ namespace MLEM.Extensions {
             return total.ToString();
         }
 
-        public static string SplitString(Func<StringBuilder, float> widthFunc, string text, float width, float scale) {
+        public static string SplitString(Func<string, float> widthFunc, string text, float width, float scale) {
             var total = new StringBuilder();
             foreach (var line in text.Split('\n')) {
                 var curr = new StringBuilder();
                 foreach (var word in line.Split(' ')) {
-                    curr.Append(word).Append(' ');
-                    if (widthFunc(curr) * scale >= width) {
-                        var len = curr.Length - word.Length - 1;
-                        if (len > 0) {
-                            total.Append(curr.ToString(0, len - 1)).Append('\n');
-                            curr.Remove(0, len);
+                    if (widthFunc(word) * scale >= width) {
+                        if (curr.Length > 0) {
+                            total.Append(curr.ToString(0, curr.Length - 1)).Append('\n');
+                            curr.Clear();
+                        }
+                        var wordBuilder = new StringBuilder();
+                        for (var i = 0; i < word.Length; i++) {
+                            wordBuilder.Append(word[i]);
+                            if (widthFunc(wordBuilder.ToString()) * scale >= width) {
+                                total.Append(wordBuilder.ToString(0, wordBuilder.Length - 1)).Append('\n');
+                                wordBuilder.Remove(0, wordBuilder.Length - 1);
+                            }
+                        }
+                        curr.Append(wordBuilder).Append(' ');
+                    } else {
+                        curr.Append(word).Append(' ');
+                        if (widthFunc(curr.ToString()) * scale >= width) {
+                            var len = curr.Length - word.Length - 1;
+                            if (len > 0) {
+                                total.Append(curr.ToString(0, len - 1)).Append('\n');
+                                curr.Remove(0, len);
+                            }
                         }
                     }
                 }