--whitelist for productivity module effect
for _, mod in pairs(data.raw.module) do
	if mod.effect ~= nil then
		for _, effect in pairs(mod.effect) do
			if effect[1] == productivity then
				if mod.limitation ~= nil then
					local limitation = mod.limitation
					--new stuff
					table.insert(limitation, "17-military-science-pack")
					table.insert(limitation, "17-chemical-science-pack")
					table.insert(limitation, "17-production-science-pack")
					table.insert(limitation, "17-utility-science-pack")
					table.insert(limitation, "17-low-density-structure")					
				end
			end
		end
	end
end

--increase belt speed to 15x
for _, belt in pairs(data.raw["splitter"]) do
	if (belt.speed * 32) % 1 == 0 and belt.speed * 32 < 8 then
		belt.speed = belt.speed * 45 / 40;
	end
end
for _, belt in pairs(data.raw["transport-belt"]) do
	if (belt.speed * 32) % 1 == 0 and belt.speed * 32 < 8 then
		belt.speed = belt.speed * 45 / 40;
	end
end
for _, belt in pairs(data.raw["underground-belt"]) do
	if (belt.speed * 32) % 1 == 0 and belt.speed * 32 < 8 then
		belt.speed = belt.speed * 45 / 40;
	end
end

--simplify drill stats
data.raw["mining-drill"]["burner-mining-drill"].mining_speed = 0.25
data.raw["mining-drill"]["burner-mining-drill"].mining_power = 3

--simplify ore hardness
for _, ore in pairs(data.raw.resource) do
	if ore.minable.hardness == 0.9 then
		ore.minable.hardness = 1
	end
end
data.raw.resource.stone.minable.hardness = 1

--decrease smelting times
for _, recipe in pairs(data.raw.recipe) do
	if recipe.category=="smelting" then
		if recipe.energy_required then
			if (recipe.energy_required / 3.5) % 1 == 0 then
				recipe.energy_required = recipe.energy_required * 3.2 / 3.5
			end
		else
			if (recipe.normal.energy_required / 3.5) % 1 == 0 then
				recipe.normal.energy_required = recipe.normal.energy_required * 3.2 / 3.5
			end
			if (recipe.expensive.energy_required / 3.5) % 1 == 0 then
				recipe.expensive.energy_required = recipe.expensive.energy_required * 3.2 / 3.5
			end			
		end
	end
end

--remove assembling-machine ingredient_count limits
for _, machine in pairs(data.raw["assembling-machine"]) do
	if machine.ingredient_count < 10 then
		machine.ingredient_count = 10
	end
end