Fix mutually exclusive keys in key assignment

MichaelSinsbeck / platformer

A ninja platformer written in LÖVE

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Fix mutually exclusive keys in key assignment #92

Closed Germanunkol closed 7 years ago

Germanunkol commented 10 years ago

Some keys are allowed to be the same, others aren't. Right now, this isn't checked correctly... needs a bit of thought and a few changes to keys:checkInvalid() in keys.lua.