From 73921052970fb4416a25d037c88466a801092ef0 Mon Sep 17 00:00:00 2001
From: Marcus Huderle <huderlem@gmail.com>
Date: Sat, 27 Jun 2020 17:14:37 -0500
Subject: [PATCH] Early exit magic fill if it would be a no-op

---
 src/ui/mappixmapitem.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/ui/mappixmapitem.cpp b/src/ui/mappixmapitem.cpp
index d6f4b2c4..7fec4421 100644
--- a/src/ui/mappixmapitem.cpp
+++ b/src/ui/mappixmapitem.cpp
@@ -322,6 +322,11 @@ void MapPixmapItem::magicFill(
         bool fromScriptCall) {
     Block *block = map->getBlock(initialX, initialY);
     if (block) {
+        if (selectedMetatiles->length() == 1 && selectedMetatiles->value(0) == block->tile) {
+            logInfo("early exit");
+            return;
+        }
+
         bool setCollisions = selectedCollisions && selectedCollisions->length() == selectedMetatiles->length();
         uint16_t tile = block->tile;
         for (int y = 0; y < map->getHeight(); y++) {