[0.14.8][Twinsen] Redundant Steel prerequisite: Gates, Railway

[Align]

Researching Gates requires Military 2 which already requires Steel.
Ditto Railway requiring Engines, which already requires Steel.

[Twinsen]

Fixed in Version: 0.14.10.
Let me know of you find more.

[DaveMcW]

data-final-fixes.lua

Code: Select all

function prereq_search(name, list)
	if (not list or #list == 0) then return end
	for _, prereq in pairs(list) do
		if (prereq == name) then 
			return name
		end
		local next = data.raw.technology[prereq]
		if (next.prerequisites) then
			local result = prereq_search(name, next.prerequisites)
			if (result) then
				return result .. " --> " .. prereq
			end
		end
	end
end

for name, tech in pairs(data.raw.technology) do
	if (tech.prerequisites) then
		for _, this_prereq in pairs (tech.prerequisites) do
			local others = {}
			for _, prereq in pairs(tech.prerequisites) do
				if (prereq ~= this_prereq) then
					table.insert(others, prereq)
				end
			end
			local result = prereq_search(this_prereq, others)
			if (result) then 
				log("Redundant technology prerequisite:\n" .. this_prereq .. " --> " .. name .. "\n" .. result .. " --> " .. name .. "\n")
			end
		end
	end
end

Results in 0.14.9:

Code: Select all

Redundant technology prerequisite:
steel-processing --> railway
steel-processing --> engine --> railway

Redundant technology prerequisite:
steel-processing --> gates
steel-processing --> military-2 --> gates

Redundant technology prerequisite:
rocketry --> rocket-silo
rocketry --> rocket-speed-1 --> rocket-speed-2 --> rocket-speed-3 --> rocket-speed-4 --> rocket-speed-5 --> rocket-silo

Redundant technology prerequisite:
oil-processing --> electric-engine
oil-processing --> plastics --> advanced-electronics --> electric-engine

Redundant technology prerequisite:
rocketry --> rocket-damage-1
rocketry --> alien-technology --> rocket-damage-1

Redundant technology prerequisite:
rocketry --> rocket-speed-1
rocketry --> alien-technology --> rocket-speed-1