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Band-aids three runtimes (#4591)

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* Runtime in dna_modifier.dm,330: Cannot read null.occupant

* Runtime in Chemistry-Reagents.dm,47: Cannot execute null.remove reagent().

* Runtime in blood.dm,182: Division by zero

* Compiled with the right map this time
This commit is contained in:
Atermonera
2018-01-20 11:28:51 -08:00
committed by Anewbe
parent 93b4df4517
commit 17accf2e28
3 changed files with 4 additions and 3 deletions
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3
code/modules/reagents/Chemistry-Reagents.dm
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@@ -44,7 +44,8 @@
var/list/glass_special = null // null equivalent to list()
/datum/reagent/proc/remove_self(var/amount) // Shortcut
holder.remove_reagent(id, amount)
if(holder)
holder.remove_reagent(id, amount)
// This doesn't apply to skin contact - this is for, e.g. extinguishers and sprays. The difference is that reagent is not directly on the mob's skin - it might just be on their clothing.
/datum/reagent/proc/touch_mob(var/mob/M, var/amount)