share/hedgewars/Data/Scripts/OfficialChallenges.lua
author alfadur
Thu, 09 Jul 2020 00:45:27 +0300
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parent 14252 74bf2d906097
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HedgewarsScriptLoad("/Scripts/OfficialChallengeHashes.lua")
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-- modified Adler hash
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local hashA = 0
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local hashB = 0
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local hashModule = 299993
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function resetHash()
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    hashA = 0
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    hashB = 0
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end
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function addHashData(i)
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    hashA = (hashA + i + 65536) % hashModule
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    hashB = (hashB + hashA) % hashModule
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end
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function hashDigest()
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    return(hashB * hashModule + hashA)
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end
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function detectMapWithDigest()
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    if RopePercent == 100 and MinesNum == 0 then
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        local mapString = hashDigest() .. "," .. LandDigest
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        if band(GameFlags, gfBorder) ~= 0 then
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            mapString = "Border," .. mapString
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        end
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        WriteLnToConsole("OfficialChallenges: Hash: "..mapString)
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        local map = official_racer_maps[mapString]
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        if map ~= nil then
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            WriteLnToConsole("OfficialChallenges: Detected official challenge: "..map)
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        end
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        return map
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    end
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end