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--- lua:scripting:firetemple [2015/01/01 09:10] – vodur
+++ lua:scripting:firetemple [2015/01/01 09:50] (current) – vodur
@@ Line 91: / Line 91: @@
 sendtochar(mob, table.concat(out))
+end
+</code>
+Generate maze
+<code lua>
+do
+local function revdir( dir )
+    if dir == "north" then return "south"
+    elseif dir == "south" then return "north"
+    elseif dir == "east" then return "west"
+    elseif dir == "west" then return "east"
+    end
+end
+--Randomized Prim's algorithm http://en.wikipedia.org/wiki/Maze_generation_algorithm
+local walls={}
+local maze={}
+for k,v in pairs(getroom(501).exits) do
+    table.insert(walls, { dir=v, exit=getroom(501)[v]} )
+end
+while #walls>0 do
+    local wallind=randnum(1,#walls)
+    local wall=walls[wallind]
+    table.remove(walls, wallind)
+    if not maze[wall.exit.toroom] then
+        wall.exit:setflag("dormant", false)
+        wall.exit:setflag("door", false)
+        wall.exit.toroom[revdir(wall.dir)]:setflag("dormant", false)
+        wall.exit.toroom[revdir(wall.dir)]:setflag("door", false)
+        maze[wall.exit.toroom]=true
+        for k,v in pairs(wall.exit.toroom.exits) do
+            table.insert(walls, { dir=v, exit=wall.exit.toroom[v]} )
+        end
+    end
+end
 end
 </code>