<function name="CalcMainActivity" parent="GM" type="hook"> <ishook>yes</ishook> <description> This hook is used to calculate animations for a player. <warning>This hook must return the same values at the same time on both, client **and** server. On client for players to see the animations, on server for hit detection to work properly.</warning> <bug issue="3322">This can return the incorrect velocity when on a moving object.</bug>⤶ </description> <realm>Shared</realm> <predicted>No</predicted> <args> <arg name="ply" type="Player">The player to apply the animation.</arg> <arg name="vel" type="Vector">The velocity of the player.</arg> </args> <rets> <ret name="" type="number"><page>Enums/ACT</page> for the activity the player should use. A nil return will be treated as ACT_INVALID.</ret> <ret name="" type="number">Sequence for the player to use. This takes precedence over the activity (the activity is still used for layering). Return -1 or nil to let the activity determine the sequence.</ret> </rets> </function>