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https://github.com/vgstation-coders/vgstation13.git
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91 lines
1.8 KiB
Plaintext
91 lines
1.8 KiB
Plaintext
/datum/unlockable
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var/id = "" // Used in prerequisites.
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var/name=""
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var/desc=""
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var/cost=0 // Cost to unlock
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var/cost_units=""
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var/time=0 // Time to unlock
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var/unlocked=0
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//var/remove_on_detach=1
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var/list/prerequisites=list()
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var/datum/research_tree/tree
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// CALL BEFORE USING ANY OTHER PROCS.
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/datum/unlockable/proc/set_context(var/datum/research_tree/T)
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tree = T
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/datum/unlockable/proc/check_prerequisites()
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if(prerequisites.len>0)
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for(var/prereq in prerequisites)
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if(!(prereq in tree.unlocked))
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return 0
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return 1
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// INTERNAL: Begin unlocking process.
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/datum/unlockable/proc/unlock()
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if(tree.unlocking)
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return 0
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begin_unlock()
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// Lock tree
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tree.unlocking=1
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if(unlock_check())
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sleep(time) // do_after has too many human-specific checks that don't work on a glorified datum.
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// We don't have hands, and we can't control if the host moves.
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if(unlock_check())
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unlock_action()
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end_unlock()
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unlocked=1
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tree.unlocking=0
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return 1
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// Do this, then wait and unlock.
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/datum/unlockable/proc/begin_unlock()
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return
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// Finished unlocking.
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/datum/unlockable/proc/end_unlock()
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return
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/datum/unlockable/proc/toTableRow(var/datum/research_tree/tree, var/mob/user)
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return {"
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<tr>
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<th>
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<a href="?src=\ref[tree];user=\ref[user];unlock=[id]">[name]</a>
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</th>
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<th>
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[cost][cost_units]
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</th>
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<th>
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[altFormatTimeDuration(time)]
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</th>
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</tr>
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<tr>
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<td colspan="3">[desc]</td>
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</tr>"}
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/**
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* additional checks to perform when unlocking things.
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* @returns Can unlock
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*/
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/datum/unlockable/proc/unlock_check()
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return 0
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/**
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* What to do when unlocked.
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*/
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/datum/unlockable/proc/unlock_action()
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return
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/**
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* How to remove the unlockable (such as when detached)
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*/
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/datum/unlockable/proc/remove_action()
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return
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/datum/unlockable/proc/can_buy()
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return unlock_check() && !tree.unlocking |