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Thread: EU3 DW Steam-Gamersgamte Checksum Issue

  1. #1

    Question EU3 DW Steam-Gamersgamte Checksum Issue

    Code:
    5.0		OJDM	12/13/10	GamersGate  (displays as 11/26/10 in system.log)
    5.0		OUMN	01/??/11	Steam
    So, we were about to try EU3 DW multi amongs friends tonight and after trying to Host the game for 1h, we noticed this issue.
    2 of us have bought the game from Steam, while our 3rd friend has bought it from Gamersgate.

    I have 2 questions:
    1) How can we play MP together?
    2) Will this be solved in future patches?
    3) Why is this an issue in first place?

  2. #2
    Sometimes Hero Demi Moderator silktrader's Avatar

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    1. Steam players can decompress the latest beta patch in their "steamapps" folder and run the game by executing "eu3game.exe" — you would need to backup your current Steam "Europa Universalis" installation before doing so. Once the latest beta patch is extracted and files are overwritten, the checksum will read just the same as other versions of the game. In short, you will be able to host and join games with people who don't have Steam versions, that is the majority of players.

    2. This isn't considered an issue that necessarily needs to be solved on Paradox side. Steam actually alters the main executable: when a file that is present in the verification list is modified, the checksum itself will then diverge from stock installations. Since Steam's "eu3game.exe" is not identical to the boxed, GamersGate or other vendors' version of the game, you end up featuring a different checksum. For the moment, the procedure described in the first point is a workaround to the problem. Paradox developers are aware of checksum incompatibilities with Steam.
    Last edited by silktrader; 17-04-2011 at 02:59.

  3. #3
    Quote Originally Posted by silktrader View Post
    ...In short, you will be able to host and join games with people who don't have Steam versions, that is the majority of players...
    So, why sell the game through Steam if the customers just get crippled just because they bought from Steam? I don't understand.

  4. #4
    Sometimes Hero Demi Moderator silktrader's Avatar

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    Quote Originally Posted by Novalon View Post
    So, why sell the game through Steam if the customers just get crippled just because they bought from Steam? I don't understand.
    Steam differentiates itself from other distributors by providing distinctive services to its customers (DRM, multiplayer voice chat, statistics, etc.): these features come, in Europa Universalis case, at the cost of some incompatibility with other vendors.

    Europa Universalis Steam players are able to play with each others, without workarounds needed — when the need arises they can also play with GamersGate, Impulse or retail customers, although the required information on how to do so is not always readily available. One could argue that since it is Steam which alters the executable file, it may be their responsibility to provide compatibility with other versions.

    It is not my place to comment on distribution policies by these companies. For what concerns me and other users, whenever we can help we do. We also provide developers with feedback on problems like this one — since the Paradox crew is aware of this issue I am confident it will be solved by either Steam or their initiative.
    Last edited by silktrader; 19-04-2011 at 05:37.

  5. #5
    Whateverist Moderator AndrewT's Avatar
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    I believe you can play together via the metaserver, just not by direct IP or lan. However the better solution would be for you all to make a copy of your whole EU3 directory elsewhere, like c:\games\eu3-beta\ , and then apply the current 5.1 beta to it, then delete the entire contents of the c:\games\eu3-beta\map\cache\ directory. You'll all have the same checksum then.
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  6. #6
    Sometimes Hero Demi Moderator silktrader's Avatar

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    You can't play together through the metaserver, the checksum issue will still show. At this time you can't actually connect to the metaserver with a OUMN checksum — although it's a temporary issue.

  7. #7
    need to use some sort of vpn client if ou want to play beta patch. i recommend a couple:

    tunngle
    leaf networks
    wippien


    or hamachi, but that lags a lot

  8. #8
    Sometimes Hero Demi Moderator silktrader's Avatar

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    need to use some sort of vpn client if ou want to play beta patch.
    You don't need to use any VPN software to play the latest beta patch, or any other version of Europa Universalis (and other Clausewitz based games). Most, if not all, multiplayer campaigns that are listed in this forum section are hosted by a player who communicates his IP to others. When the host has properly set up his network and his ISP allows incoming connections most players (but those few behind exotic setups) will connect without issues.

    Hamachi networks were once limited to sixteen players, for the free version — several campaigns feature more players than that.

    VPN setups will require software to be installed and possibly introduce lag. It's true that they actually allow people who do not have control over their network configuration to host games, for instance. If the ISP is featuring restrictive NAT rules though (as with many universities) not even a VPN solution will be sufficient.

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