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57067892d8
* part 1 * compiles? * IT WORKS * vis contents * fixes * umbrelloid * umbrella 2 * dsasdd * stuff * lmao --------- Co-authored-by: Matt Atlas <liermattia@gmail.com>
31 lines
1.1 KiB
Plaintext
31 lines
1.1 KiB
Plaintext
// An individual state, defined as a `/singleton` to save memory.
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// On a directed graph, these would be the nodes themselves, connected to each other by unidirectional arrows.
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/singleton/state
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// Transition decl types, which get turned into refs to those types.
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// Note that the order DOES matter, as decls earlier in the list have higher priority
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// if more than one becomes 'open'.
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var/list/transitions = null
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/singleton/state/Initialize()
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. = ..()
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for(var/i in 1 to LAZYLEN(transitions))
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var/singleton/state_transition/T = GET_SINGLETON(transitions[i])
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T.from += src
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transitions[i] = T
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// Returns a list of transitions that a FSM could switch to.
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// Note that `holder` is NOT the FSM, but instead the thing the FSM is attached to.
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/singleton/state/proc/get_open_transitions(datum/holder)
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for(var/singleton/state_transition/T as anything in transitions)
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if(T.is_open(holder))
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LAZYADD(., T)
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// Stub for child states to modify the holder when switched to.
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// Again, `holder` is not the FSM.
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/singleton/state/proc/entered_state(datum/holder)
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return
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// Another stub for when leaving a state.
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/singleton/state/proc/exited_state(datum/holder)
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return
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