2.1.3

info.json

@@ -1,6 +1,6 @@
 {
 	"name": "Flow Control",
-	"version": "2.1.2",
+	"version": "2.1.3",
 	"title": "Flow Control",
 	"author": "GotLag",
 	"homepage": "https://forums.factorio.com/viewtopic.php?f=94&t=20645",

locale/en/locale.cfg

@@ -1,10 +1,13 @@
 [entity-name]
 check-valve=Non-return valve
 overflow-valve=Overflow valve
+underflow-valve=Float valve
 express-pump=Express pump
 pipe-elbow=Elbow pipe
 pipe-junction=T-Junction pipe
 pipe-straight=Straight pipe
+
 [item-description]
 check-valve=Only allows flow in one direction
-overflow-valve=Only allows flow when pipe is over 80% full
+overflow-valve=Blocks flow when input is under 80% full
+underflow-valve=Blocks flow when output is over 80% full

migrations/Flow Control_2.1.3.lua

@@ -0,0 +1,29 @@
+-- Reload recipes and technologies
+for i, player in ipairs(game.players) do
+  player.force.reset_recipes()
+  player.force.reset_technologies()
+end
+
+for index, force in pairs(game.forces) do
+  -- Generate technology and recipe tables
+  local tech = force.technologies
+  local recipes = force.recipes
+
+  recipes["small-pump"].enabled = true
+
+  -- Unlock researched recipes
+  if tech["fluid-handling"] and tech["fluid-handling"].researched then
+    if recipes["check-valve"] then
+      recipes["check-valve"].enabled = true
+    end
+    if recipes["overflow-valve"] then
+      recipes["overflow-valve"].enabled = true
+    end
+    if recipes["underflow-valve"] then
+      recipes["underflow-valve"].enabled = true
+    end
+    if recipes["express-pump"] then
+      recipes["express-pump"].enabled = true
+    end
+  end
+end

prototypes/entities.lua

@@ -65,6 +65,15 @@ overflow_valve.fluid_box.base_level = 0.8
 overflow_valve.pictures.picture.sheet.filename =
   "__Flow Control__/graphics/entity/overflow-valve/overflow-valve.png"
 
+-- Underflow Valve ***********************************************************************
+underflow_valve = util.table.deepcopy(overflow_valve)
+underflow_valve.name = "underflow-valve"
+underflow_valve.icon = "__Flow Control__/graphics/icon/underflow-valve.png"
+underflow_valve.minable.result = "underflow-valve"
+underflow_valve.fluid_box.base_level = -0.2
+underflow_valve.pictures.picture.sheet.filename =
+  "__Flow Control__/graphics/entity/underflow-valve/underflow-valve.png"
+
 -- Express Pump **************************************************************************
 express_pump = util.table.deepcopy(data.raw["pump"]["small-pump"])
 express_pump.name = "express-pump"
@@ -155,6 +164,7 @@ data:extend(
 {
   check_valve,
   overflow_valve,
+  underflow_valve,
   express_pump,
   pipe_elbow,
   pipe_junction,

prototypes/items.lua

@@ -23,6 +23,16 @@ data:extend(
     place_result = "overflow-valve",
     stack_size = 50
   },
+  {
+    type = "item",
+    name = "underflow-valve",
+    icon = "__Flow Control__/graphics/icon/underflow-valve.png",
+    flags = {"goes-to-quickbar"},
+    subgroup = "energy-pipe-distribution",
+    order = "b[pipe]-c[small-pump]bb",
+    place_result = "underflow-valve",
+    stack_size = 50
+  },
   {
     type = "item",
     name = "express-pump",

prototypes/recipes.lua

@@ -35,6 +35,20 @@ data:extend(
     },
     result = "overflow-valve"
   },
+  {
+    type = "recipe",
+    name = "underflow-valve",
+    energy_required = 2,
+    enabled = false,
+    ingredients =
+    {
+      {"electronic-circuit", 1},
+      {"steel-plate", 1},
+      {"iron-gear-wheel", 1},
+      {"pipe", 1}
+    },
+    result = "underflow-valve"
+  },
   {
     type = "recipe",
     name = "express-pump",

prototypes/technology.lua

@@ -10,6 +10,9 @@ table.insert(
 table.insert(
   data.raw["technology"]["fluid-handling"].effects,
   {type = "unlock-recipe",recipe = "overflow-valve"})
+table.insert(
+  data.raw["technology"]["fluid-handling"].effects,
+  {type = "unlock-recipe",recipe = "underflow-valve"})
 table.insert(
   data.raw["technology"]["fluid-handling"].effects,
   {type = "unlock-recipe",recipe = "express-pump"})