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state_machine: prev_state_name

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This commit is contained in:
Bill Hilbert 2023-12-12 22:22:13 -05:00
parent f29882c2ee
commit 01e871c415
1 changed files with 2 additions and 0 deletions
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state_machine.lua
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@ -33,6 +33,7 @@ local state_machine = class({
function state_machine:new(states, start_in_state) function state_machine:new(states, start_in_state)
self.states = states or {} self.states = states or {}
self.current_state_name = "" self.current_state_name = ""
self.prev_state_name = ""
self.reset_state_name = start_in_state or "" self.reset_state_name = start_in_state or ""
self:reset() self:reset()
end end
@ -151,6 +152,7 @@ end
function state_machine:set_state(name, reset) function state_machine:set_state(name, reset)
if self.current_state_name ~= name or reset then if self.current_state_name ~= name or reset then
self:_call("exit") self:_call("exit")
self.prev_state_name = self.current_state_name
self.current_state_name = name self.current_state_name = name
self:_call_and_transition("enter", self) self:_call_and_transition("enter", self)
end end