just thinking out loud...
mech movement points are determined by its speed (the distance it can travel per turn), which is in turn determined by its movement allowance.
Factors which affect movement allowance:
chassis
"Reactor" type (available energy to specific mech)
chip
terrain
(is weight going to be an issue, or is it simply connected with chassis type?)
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terrain & chassis type have already been interlinked. chip and reactor are also connected in energy management-
therefore the two factors required to determine movement are:
energy availabilty
and
physical movement factor
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hmm, i think im just dribbling now...