update

data-util.lua

@@ -77,14 +77,33 @@ function util.remove_prerequisite(technology_name, prerequisite)
   end
 end
 
+
 -- Add an effect to a given technology
 function util.add_effect(technology_name, effect)
   local technology = data.raw.technology[technology_name]
   if technology then
+    if not technology.effects then technology.effects = {} end
     table.insert(technology.effects, effect)
   end
 end
 
+-- remove recipe unlock effect from a given technology
+function util.remove_recipe_effect(technology_name, recipe_name)
+  local technology = data.raw.technology[technology_name]
+  local index = -1
+  if technology then
+    for i, effect in pairs(technology.effects) do
+      if effect.type == "unlock-recipe" and effect.recipe == recipe_name then
+        index = i
+        break
+      end
+    end
+    if index > -1 then
+      table.remove(technology.effects, index)
+    end
+  end
+end
+
 -- Set technology ingredients
 function util.set_tech_recipe(technology_name, ingredients)
   local technology = data.raw.technology[technology_name]
@@ -93,6 +112,37 @@ function util.set_tech_recipe(technology_name, ingredients)
   end
 end
 
+function util.set_enabled(recipe_name, enabled)
+  if data.raw.recipe[recipe_name] then
+    if data.raw.recipe[recipe_name].normal then data.raw.recipe[recipe_name].normal.enabled = enabled end
+    if data.raw.recipe[recipe_name].expensive then data.raw.recipe[recipe_name].expensive.enabled = enabled end
+    if not data.raw.recipe[recipe_name].normal then data.raw.recipe[recipe_name].enabled = enabled end
+  end
+end
+
+-- Add a given quantity of ingredient to a given recipe
+function util.add_or_add_to_ingredient(recipe_name, ingredient, quantity)
+  if me.bypass[recipe_name] then return end
+  if data.raw.recipe[recipe_name] and data.raw.item[ingredient] then
+    me.add_modified(recipe_name)
+    add_or_add_to_ingredient(data.raw.recipe[recipe_name], ingredient, quantity)
+    add_or_add_to_ingredient(data.raw.recipe[recipe_name].normal, ingredient, quantity)
+    add_or_add_to_ingredient(data.raw.recipe[recipe_name].expensive, ingredient, quantity)
+  end
+end
+
+function add_or_add_to_ingredient(recipe, ingredient, quantity)
+  if recipe ~= nil and recipe.ingredients ~= nil then
+    for i, existing in pairs(recipe.ingredients) do
+      if existing[1] == ingredient or existing.name == ingredient then
+        add_to_ingredient(recipe, ingredient, quantity)
+        return
+      end
+    end
+    table.insert(recipe.ingredients, {ingredient, quantity})
+  end
+end
+
 -- Add a given quantity of ingredient to a given recipe
 function util.add_ingredient(recipe_name, ingredient, quantity)
   if me.bypass[recipe_name] then return end
@@ -115,7 +165,6 @@ function add_ingredient(recipe, ingredient, quantity)
     table.insert(recipe.ingredients, {ingredient, quantity})
   end
 end
-
 -- Add a given quantity of product to a given recipe. 
 -- Only works for recipes with multiple products
 function util.add_product(recipe_name, product)
@@ -438,7 +487,7 @@ function add_to_ingredient(recipe, it, amount)
         return
       end
 			if ingredient[1] == it then
-        ingredient[2] = ingredients[2] + amount
+        ingredient[2] = ingredient[2] + amount
         return
       end
 		end