func_area dup bugfix & cactus farm

func_areas_limitations/init.lua

@@ -24,32 +24,43 @@
 
 local S = minetest.get_translator("func_areas_limitations")
 
+local function rm_chat_send(pos, name, msg)
+    if minetest.get_node(pos).name ~= "air" then
+        minetest.remove_node(pos)
+    end
+    minetest.chat_send_player(name, msg)
+end
+
 minetest.register_on_placenode(function(pos, newnode, placer, oldnode, itemstack, pointed_thing)
     if not placer:is_player() then return end
     local name = placer:get_player_name()
     local item_name = itemstack:get_name()
 
     -- Public Tree farm top [41]
     if func_areas.is_in_func_area(pos, 41) then
-        minetest.remove_node(pos)
-        minetest.chat_send_player(name,
+        rm_chat_send(pos, name,
             S("You can only place down apple tree saplings in the Public Tree Farm."))
         return true
     end
 
     -- Public Tree farm bottom [225]
     if func_areas.is_in_func_area(pos, 225) and item_name ~= "default:sapling" then
-        minetest.remove_node(pos)
-        minetest.chat_send_player(name,
+        rm_chat_send(pos, name,
             S("You can only place down apple tree saplings in the Public Tree Farm."))
         return true
     end
 
     -- Public farm [13]
     if func_areas.is_in_func_area(pos, 13) and minetest.get_item_group(item_name, "seed") == 0 then
-        minetest.remove_node(pos)
-        minetest.chat_send_player(name,
+        rm_chat_send(pos, name,
             S("You can only place down plant seeds in the Public Farm."))
         return true
     end
+
+    -- Cactus Farm [136]
+    if func_areas.is_in_func_area(pos, 136) then
+        rm_chat_send(pos, name,
+            S("You are not allowed to place blocks in the Public Cactus Farm."))
+        return true
+    end
 end)