From 18651dd8b13d8a427ae71d8af00792d52ad9ed60 Mon Sep 17 00:00:00 2001
From: PeterN <peter1138@openttd.org>
Date: Sun, 2 May 2021 10:43:14 +0100
Subject: [PATCH] Fix: Update text effect size when font zoom is changed.
 (#9174)

---
 src/saveload/afterload.cpp |  1 +
 src/texteff.cpp            | 11 ++++++++++-
 src/texteff.hpp            |  1 +
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/saveload/afterload.cpp b/src/saveload/afterload.cpp
index d4b230dfd0..56680511cb 100644
--- a/src/saveload/afterload.cpp
+++ b/src/saveload/afterload.cpp
@@ -219,6 +219,7 @@ void UpdateAllVirtCoords()
 	UpdateAllStationVirtCoords();
 	UpdateAllSignVirtCoords();
 	UpdateAllTownVirtCoords();
+	UpdateAllTextEffectVirtCoords();
 	RebuildViewportKdtree();
 }
 
diff --git a/src/texteff.cpp b/src/texteff.cpp
index f08701939f..e29326a90a 100644
--- a/src/texteff.cpp
+++ b/src/texteff.cpp
@@ -73,7 +73,16 @@ void UpdateTextEffect(TextEffectID te_id, StringID msg)
 	te->params_1 = GetDParam(0);
 	te->params_2 = GetDParam(1);
 
-	te->UpdatePosition(te->center, te->top, msg);
+	te->UpdatePosition(te->center, te->top, te->string_id, te->string_id - 1);
+}
+
+void UpdateAllTextEffectVirtCoords()
+{
+	for (auto &te : _text_effects) {
+		SetDParam(0, te.params_1);
+		SetDParam(1, te.params_2);
+		te.UpdatePosition(te.center, te.top, te.string_id, te.string_id - 1);
+	}
 }
 
 void RemoveTextEffect(TextEffectID te_id)
diff --git a/src/texteff.hpp b/src/texteff.hpp
index 789b12d540..d122b17e9b 100644
--- a/src/texteff.hpp
+++ b/src/texteff.hpp
@@ -32,6 +32,7 @@ void InitTextEffects();
 void DrawTextEffects(DrawPixelInfo *dpi);
 void UpdateTextEffect(TextEffectID effect_id, StringID msg);
 void RemoveTextEffect(TextEffectID effect_id);
+void UpdateAllTextEffectVirtCoords();
 
 /* misc_gui.cpp */
 TextEffectID ShowFillingPercent(int x, int y, int z, uint8 percent, StringID colour);