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added comment explaining why a complex piece of code is the way it is

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Dave White 2005-01-29 18:11:26 +00:00
parent 4a48f5e585
commit 4d2fb70cc4
1 changed files with 5 additions and 0 deletions
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src/ai.cpp
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@ -259,6 +259,11 @@ bool ai_interface::recruit(const std::string& unit_name, location loc)
const int num = std::distance(recruits.begin(),i);
//we have to add the recruit command now, because when the unit is created it has
//to have the recruit command in the recorder to be able to put random numbers into
//to generate unit traits. However we're not sure the transaction is going through yet,
//so use a replay_undo object to cancel it if we don't get to the point where the transaction
//is confirmed
recorder.add_recruit(num,loc);
replay_undo replay_guard(recorder);