Files
Bubberstation/code/game/objects/items/chromosome.dm
FalloutFalcon d2f34e33be moves abstract_type up to datum, spawners wont spawn them (#92909)
## About The Pull Request
moves all implementations (im aware of) for "Im a parent type dont spawn
me please" to the datum layer to standardized behavior
adds a standerized proc for filtering out "bad" items that we dont want
spawning. applies to it the subtype vendor, gifts, and a new spawner and
mystery box for a random gun (neither playerfacing)
"port" of https://github.com/shiptest-ss13/Shiptest/pull/4621



https://github.com/user-attachments/assets/22f6f0b2-b44e-411a-b3dc-6b97dc0287aa

small warning: I dont have EVERY abstract type defined right now but,
ive done a good enough job for now. Im tired of data entry rn
## Why It's Good For The Game
standardizing behavior. Might be a micro hit to performance however

having this lets us not rely on icon state to determine whether
something is a parent type and makes it much easier to tell something is
a parent type (could be applied further to things like admin spawning
menus and things like that).

need feedback on if this is actually good for the game.
## Changelog
🆑
add: Soda cans show up in the silver slime drink table.
add: Examine tag for items that are not mean to show up ingame.
refactor: Standardizes how gifts rule out abstract types.
fix: gifts no longer check if something has an inhand, massively
expanding the list of potential items.
/🆑
2025-09-13 00:36:15 +02:00

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/obj/item/chromosome
name = "blank chromosome"
icon = 'icons/obj/science/chromosomes.dmi'
icon_state = ""
abstract_type = /obj/item/chromosome
desc = "A tube holding chromosomal data."
force = 0
w_class = WEIGHT_CLASS_SMALL
///If set, this will affect the stability of the mutation, lower is better.
var/stabilizer_coeff
///If set, this will affect the chance of backfire, lower is better.
var/synchronizer_coeff
///If set, this will affect the overall strength of the mutation, higher is better.
var/power_coeff //higher is better, affects "strength"
///If set, this will affect the cooldowns of actions specific to a mutation, lower is better.
var/energy_coeff
///The chance of a specific mutation of being generated compared to others when generate_chromosome() is called.
var/weight = 5
/obj/item/chromosome/proc/can_apply(datum/mutation/mutation)
if(!mutation || QDELETED(mutation.owner) || mutation.can_chromosome != CHROMOSOME_NONE)
return FALSE
if(!isnull(stabilizer_coeff) && (mutation.stabilizer_coeff != MUTATION_COEFFICIENT_UNMODIFIABLE))
return TRUE
if(!isnull(synchronizer_coeff) && (mutation.synchronizer_coeff != MUTATION_COEFFICIENT_UNMODIFIABLE))
return TRUE
if(!isnull(power_coeff) && (mutation.power_coeff != MUTATION_COEFFICIENT_UNMODIFIABLE))
return TRUE
if(!isnull(energy_coeff) && (mutation.energy_coeff != MUTATION_COEFFICIENT_UNMODIFIABLE))
return TRUE
/obj/item/chromosome/proc/apply(datum/mutation/mutation)
if(mutation.stabilizer_coeff != MUTATION_COEFFICIENT_UNMODIFIABLE && stabilizer_coeff)
mutation.stabilizer_coeff = stabilizer_coeff
if(mutation.synchronizer_coeff != MUTATION_COEFFICIENT_UNMODIFIABLE && synchronizer_coeff)
mutation.synchronizer_coeff = synchronizer_coeff
if(mutation.power_coeff != MUTATION_COEFFICIENT_UNMODIFIABLE && power_coeff)
mutation.power_coeff = power_coeff
if(mutation.energy_coeff != MUTATION_COEFFICIENT_UNMODIFIABLE && energy_coeff)
mutation.energy_coeff = energy_coeff
mutation.can_chromosome = CHROMOSOME_USED
mutation.chromosome_name = name
mutation.setup()
qdel(src)
/proc/generate_chromosome()
var/static/list/chromosomes
if(!chromosomes)
chromosomes = list()
for(var/A in subtypesof(/obj/item/chromosome))
var/obj/item/chromosome/CM = A
if(!initial(CM.weight))
break
chromosomes[A] = initial(CM.weight)
return pick_weight(chromosomes)
/obj/item/chromosome/stabilizer
name = "stabilizer chromosome"
desc = "A chromosome that reduces mutation instability by 20%."
icon_state = "stabilizer"
stabilizer_coeff = 0.8
weight = 1
/obj/item/chromosome/synchronizer
name = "synchronizer chromosome"
desc = "A chromosome that reduces mutation knockback and downsides by 50%."
icon_state = "synchronizer"
synchronizer_coeff = 0.5
/obj/item/chromosome/power
name = "power chromosome"
desc = "A chromosome that increases mutation power by 50%."
icon_state = "power"
power_coeff = 1.5
/obj/item/chromosome/energy
name = "energetic chromosome"
desc = "A chromosome that reduces action based mutation cooldowns by 50%."
icon_state = "energy"
energy_coeff = 0.5