From 24d78af91541cca3bd881889548e703e19554e13 Mon Sep 17 00:00:00 2001
From: Guillaume Melquiond <guillaume.melquiond@gmail.com>
Date: Sun, 6 Dec 2009 09:56:46 +0000
Subject: [PATCH] Removed unused function display::rectangle_need_update.

---
 src/display.cpp | 20 --------------------
 src/display.hpp |  3 ---
 2 files changed, 23 deletions(-)

diff --git a/src/display.cpp b/src/display.cpp
index bc73258ffa9..ab3dbadec25 100644
--- a/src/display.cpp
+++ b/src/display.cpp
@@ -2334,26 +2334,6 @@ bool display::invalidate_locations_in_rect(const SDL_Rect& rect)
 	return result;
 }
 
-bool display::rectangle_need_update(const SDL_Rect& rect) const
-{
-	SDL_Rect visible_rect = intersect_rects(map_area(), rect);
-
-	// check if rectangle is visible
-	if(visible_rect.w <=0 || visible_rect.h <=0)
-		return false;
-
-	// invalidateAll_ is about visible hexes, so only check if visible
-	if(invalidateAll_)
-		return true;
-
-	foreach (const map_location &loc, hexes_under_rect(visible_rect)) {
-		if (invalidated_.find(loc) != invalidated_.end())
-			return true;
-	}
-
-	return false;
-}
-
 void display::invalidate_animations()
 {
 	if (!preferences::animate_map()) {
diff --git a/src/display.hpp b/src/display.hpp
index 17622ab09a3..36b4d3ac2b2 100644
--- a/src/display.hpp
+++ b/src/display.hpp
@@ -285,9 +285,6 @@ public:
 	bool invalidate_locations_in_rect(const SDL_Rect& rect);
 	bool invalidate_visible_locations_in_rect(const SDL_Rect& rect);
 
-	/** check if visible hexes under the rectangle is invalidated */
-	bool rectangle_need_update(const SDL_Rect& rect) const;
-
 	/**
 	 * Function to invalidate animated terrains which may have changed.
 	 */