From 47d3d648907ef22ee1a3493ac403b5e9ca8281b3 Mon Sep 17 00:00:00 2001
From: Bjørn Lindeijer <bjorn@lindeijer.nl>
Date: Mon, 8 Dec 2008 13:56:04 +0100
Subject: Don't scroll past the edges of the minimap

When centering the minimap on the player, it would often happen that the
minimap scrolled past its edge.

Based on a patch by QOAL.
---
 src/gui/minimap.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/gui/minimap.cpp b/src/gui/minimap.cpp
index f07cb417..c9bfe673 100644
--- a/src/gui/minimap.cpp
+++ b/src/gui/minimap.cpp
@@ -70,6 +70,18 @@ void Minimap::draw(gcn::Graphics *graphics)
         {
             mapOriginX += (a.width - player_node->mX) / 2;
             mapOriginY += (a.height - player_node->mY) / 2;
+
+            const int minOriginX = a.x + a.width - mMapImage->getWidth();
+            const int minOriginY = a.y + a.height - mMapImage->getHeight();
+
+            if (mapOriginX < minOriginX)
+                mapOriginX = minOriginX;
+            if (mapOriginY < minOriginY)
+                mapOriginY = minOriginY;
+            if (mapOriginX > a.x)
+                mapOriginX = a.x;
+            if (mapOriginY > a.y)
+                mapOriginY = a.y;
         }
         static_cast<Graphics*>(graphics)->
             drawImage(mMapImage, mapOriginX, mapOriginY);
-- 
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