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aea9388a4d
* Fixes an issue with station pets and the multiple_lives component (#64783) * Fixes an issue with the multiple_lives component * Ah yes, suicide cases. * rephrases a sentence * Fixes an issue with station pets and the multiple_lives component Co-authored-by: Ghom <42542238+Ghommie@users.noreply.github.com>
57 lines
2.3 KiB
Plaintext
57 lines
2.3 KiB
Plaintext
/**
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* A simple component that spawns a mob of the same type and transfers itself to it when parent dies.
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* For more complex behaviors, use the COMSIG_ON_MULTIPLE_LIVES_RESPAWN comsig.
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*/
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/datum/component/multiple_lives
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can_transfer = TRUE
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dupe_mode = COMPONENT_DUPE_UNIQUE_PASSARGS
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/// The number of respawns the living mob has left.
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var/lives_left
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/datum/component/multiple_lives/Initialize(lives_left)
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if(!isliving(parent))
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return COMPONENT_INCOMPATIBLE
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src.lives_left = lives_left
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/datum/component/multiple_lives/RegisterWithParent()
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RegisterSignal(parent, COMSIG_LIVING_DEATH, .proc/respawn)
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RegisterSignal(parent, COMSIG_PARENT_EXAMINE, .proc/on_examine)
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RegisterSignal(parent, COMSIG_LIVING_WRITE_MEMORY, .proc/on_write_memory)
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/datum/component/multiple_lives/UnregisterFromParent()
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UnregisterSignal(parent, list(COMSIG_LIVING_DEATH, COMSIG_PARENT_EXAMINE, COMSIG_LIVING_WRITE_MEMORY))
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/// Stops a dying station pet from overriding persistence data before we respawn it and thus causing issues.
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/datum/component/multiple_lives/proc/on_write_memory(mob/living/source, dead, gibbed)
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if(dead && !source.suiciding)
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return COMPONENT_DONT_WRITE_MEMORY
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/datum/component/multiple_lives/proc/respawn(mob/living/source, gibbed)
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SIGNAL_HANDLER
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if(source.suiciding) //Freed from this mortail coil.
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qdel(src)
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return
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//Gives the old mob this trait in case it gets revived, so we won't end up eventually overriding data
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//that would be read by the current holder when he respawns if the old corpse is ever revived.
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ADD_TRAIT(source, TRAIT_DONT_WRITE_MEMORY, EXPIRED_LIFE_TRAIT)
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var/mob/living/respawned_mob = new source.type (source.drop_location())
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source.mind?.transfer_to(respawned_mob)
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lives_left--
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if(lives_left <= 0)
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qdel(src)
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source.TransferComponents(respawned_mob)
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SEND_SIGNAL(source, COMSIG_ON_MULTIPLE_LIVES_RESPAWN, respawned_mob, gibbed, lives_left)
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/datum/component/multiple_lives/proc/on_examine(mob/living/source, mob/user, list/examine_list)
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SIGNAL_HANDLER
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if(isobserver(user) || source == user)
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examine_list += "[source.p_theyve(TRUE)] [lives_left] extra lives left."
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/datum/component/multiple_lives/InheritComponent(datum/component/multiple_lives/new_comp , lives_left)
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src.lives_left += new_comp ? new_comp.lives_left : lives_left
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/datum/component/multiple_lives/PostTransfer()
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if(!isliving(parent))
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return COMPONENT_INCOMPATIBLE
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