From aa6a7fda5b25a8fa739dab292e89076444959f88 Mon Sep 17 00:00:00 2001
From: vng <viktor.govako@gmail.com>
Date: Fri, 6 May 2011 18:19:17 +0300
Subject: [PATCH] Fix area feature emitting during World generation.

---
 generator/feature_merger.hpp      | 9 ++++++---
 generator/world_map_generator.hpp | 8 +++++---
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/generator/feature_merger.hpp b/generator/feature_merger.hpp
index 103c43bad5..0bede7358c 100644
--- a/generator/feature_merger.hpp
+++ b/generator/feature_merger.hpp
@@ -11,10 +11,13 @@ public:
   /// but only if they have common point
   void AppendFeature(FeatureBuilder1Merger const & fb);
 
-  void SetAreaSafe()
+  bool SetAreaSafe()
   {
-    if (!m_bArea)
-      m_bArea = true;
+    if (m_Geometry.size() < 3)
+      return false;
+
+    m_bArea = true;
+    return true;
   }
 
   uint32_t KeyType() const
diff --git a/generator/world_map_generator.hpp b/generator/world_map_generator.hpp
index 98ff0ea3ce..e02fa8c0ae 100644
--- a/generator/world_map_generator.hpp
+++ b/generator/world_map_generator.hpp
@@ -40,9 +40,11 @@ private:
   {
     if (fbm.FirstPoint() == fbm.LastPoint())
     {
-      fbm.SetAreaSafe();
-      (*m_worldBucket)(fbm);
-      ++m_areasCounter;
+      if (fbm.SetAreaSafe())
+      {
+        (*m_worldBucket)(fbm);
+        ++m_areasCounter;
+      }
       return true;
     }
     else return false;