Implemented autodeconstruct. Closes #70

autodeconstruct.lua

@@ -0,0 +1,27 @@
+--Author: Valansch
+local function is_depleted(drill)
+  local position = drill.position
+  local area = {}
+  if drill.name == "electric-mining-drill" then
+    area = {{position.x - 2, position.y - 2},{position.x + 2, position.y + 2}}
+  else
+      area = {{position.x - 1, position.y - 1},{position.x + 1, position.y + 1}}
+  end
+  return #drill.surface.find_entities_filtered{type="resource", area = area} == 1
+end
+
+local function mark_if_depleted(drill)
+  if is_depleted(drill) then
+    drill.order_deconstruction(drill.force)
+  end
+end
+
+local function on_resource_depleted(event)
+  local area = {{event.entity.position.x-1, event.entity.position.y-1}, {event.entity.position.x+1, event.entity.position.y + 1}}
+  local drills = event.entity.surface.find_entities_filtered{area = area, type="mining-drill"}
+  for _,drill in pairs(drills) do
+    mark_if_depleted(drill)
+  end
+end
+
+Event.register(defines.events.on_resource_depleted, on_resource_depleted)

control.lua

@@ -21,6 +21,7 @@ require "follow"
 require "wells"
 require "custom_commands"
 require "tasklist"
+require "autodeconstruct"
 
 local function player_joined(event)
 	local player = game.players[event.player_index]
@@ -37,7 +38,7 @@ end
 
 local hodor_messages = {{"Hodor.", 16}, {"Hodor?", 16},{"Hodor!", 16}, {"Hodor! Hodor! Hodor! Hodor!", 4}, {"Hodor :(",4}, {"Hodor :)",4}, {"HOOOODOOOR!", 4}, {"( ͡° ͜ʖ ͡°)",1}, {"☉ ‿ ⚆",1}}
 local message_weight_sum = 0
-for _,w in pairs(hodor_messages) do 
+for _,w in pairs(hodor_messages) do
 message_weight_sum = message_weight_sum + w[2]
 end
 
@@ -45,10 +46,10 @@ function hodor(event)
 	local message = event.message:lower()
 	if message:match("hodor") then
 		local index = math.random(1, message_weight_sum)
-		local message_weight_sum = 0	
+		local message_weight_sum = 0
 		for _,m in pairs(hodor_messages) do
 			message_weight_sum = message_weight_sum + m[2]
-			if message_weight_sum >= index then 
+			if message_weight_sum >= index then
 				game.print("Hodor: " .. m[1])
 				return
 			end