Ajoute certaines modifications venant de MFF + ajustement HUD

* Aires openfarming
* Privilège megabuilder
* HUD légèrement modifié pour laisser de la place à celui de factions

api.lua

@@ -1,5 +1,14 @@
 local hudHandlers = {}
 
+---plants to place in openfarming
+local plants = {
+	["farming:blueberries"]="air", ["farming:carrot"]="air", ["farming:coffee_beans"]="air",
+	["farming:corn"]="air", ["farming:cucumber"]="air", ["farming:melon_slice"]="air",
+	["farming:potato"]="air", ["farming:pumpkin_slice"]="air", ["farming:raspberries"]="air",
+	["farming:rhubarb"]="air",	["farming:tomato"]="air", ["farming:seed_cotton"]="air",
+	["farming:seed_wheat"]="air",["default:papyrus"]="air", ["farming:trellis"]="air",
+	["farming:grapes"]="farming:trellis", ["farming:beanpole"]="air", ["farming:beans"]="farming:beanpole",
+}
 
 areas.registered_on_adds = {}
 areas.registered_on_removes = {}
@@ -94,6 +103,24 @@ function areas:canInteract(pos, name)
 	for _, area in pairs(self:getAreasAtPos(pos)) do
 		if area.owner == name or area.open then
 			return true
+		elseif area.openfarming then
+			-- if area is openfarming
+			local node = minetest.get_node(pos).name
+			if not minetest.registered_nodes[node] then return false end
+			local player = minetest.get_player_by_name(name)
+			if not player then return false end
+			local wstack = player:get_wielded_item():get_name()
+			if wstack == "" then wstack = "hand" end
+
+			--on_dig
+			if minetest.get_item_group(node, "plant") == 1 and (wstack == "hand" or minetest.registered_tools[wstack]) then
+				return true
+			end
+
+			--on_place
+			if plants[wstack] ~= nil and plants[wstack] == node then
+				return true
+			end
 		elseif areas.factions_available and area.faction_open then
 			local faction_name = factions.get_player_faction(area.owner)
 			if faction_name ~= nil and faction_name == factions.get_player_faction(name) then