diff --git a/TODO b/TODO
index 947f9b4..7421375 100644
--- a/TODO
+++ b/TODO
@@ -4,7 +4,7 @@ Assets and i18n:
     - all texts (terrain, mobs, quests) also in at least 2 languages
 
 ECS & engine:
-    - implement time queue (how to deal with closures?)
+    - implement time queue (how to deal with closures?) (?) github.com/thefish/sheduleq - get rid od time.Now inside
     - move all rendering to systems
     - try to move input handling to systems
 
@@ -14,9 +14,14 @@ Dungeon and branches:
     - erosion (?)
     - global map of valley
     Prefabs:
-    - load prefabs
+    + load prefabs
     - compose from gens and prefabs
     - editor for prefabs
+    Mapgen
+    - use delaunay -> minimum spanning tree for room connection (Краскал в gonum)
+        github.com/algds/kruskals - MST
+        github.com/esimov/triangle - delaunay
+    - или граф относительных окрестностей
 
 Combat:
     - generate skeleton / intesines / muscle / eyes&ears & fingers from templates
diff --git a/util/delenay.go b/util/delenay.go
new file mode 100644
index 0000000..c7d8682
--- /dev/null
+++ b/util/delenay.go
@@ -0,0 +1 @@
+package util