Please refer to #20867 and #20870 for a easier view of the changes. Those two PRs show all meaningful changes (hopefully) and doesn't show the files changed with just 3 lines changed.
This PR does three things:
It makes all children of /obj/ use the same damage system.
Previously to make your new machine/structure be destroyable you needed to give it a var/health, and its own version of many damage related proc such as bullet_act(), take_damage(), attacked_by(), attack_animal(), attack_hulk(), ex_act(), etc... But now, all /obj/ use the same version of those procs at the /obj/ level in code/game/obj_defense.dm. All these obj share the same necessary vars: obj_integrity (health), max_integrity, integrity_failure (optional, below that health level failure happens), and the armor list var which was previously only for items, as well as the resistance_flags bitfield. When you want your new object to be destroyable, you only have to give it a value for those vars and maybe override one proc if you want a special behavior but that's it. This reorganization removes a lot of copypasta (most bullet_act() version for each obj were nearly identical). Two new elements are added to the armor list var: fire and acid armor values.
How much damage an obj take depends on the armor value for each damage category. But some objects are INDESTRUCTIBLE and simply never take any damage no matter the type.
The armor categories are:
-melee(punches, item attacks, xeno/animal/hulk attacks, blob attacks, thrown weapons)
-bullet
-laser
-energy (used by projectiles like ionrifle, taser, and also by EMPs)
-bio (unused for this, only here because clothes use them when worn)
-rad (same)
-bomb (self-explanatory)
-fire (for fire damage, not for heat damage though)
-acid
For machines and structures, when their health reaches zero the object is not just deleted but gets somewhat forcedeconstructed (the proc used is shared with the actual deconstruction system) which can drops things. To not frustrates players most of these objects drop most of the elements necessary to rebuild them (think window dropping shards). Machines drop a machine frame and all components for example (but the frame can then be itself smashed to pieces).
For clothes, when they are damaged, they get a "damaged" overlay, which can also be seen when worn, similar to the "bloody" overlay.
It refactors acid. See #20537.
Some objects are ACID_PROOF and take no damage from acid, while others take varying amounts
of damage depending on their acid armor value. Some objects are even UNACIDABLE, no acid effect can even land on them. Acid on objects can be washed off using water.
It changes some aspect of damage from fires.
All /obj/ can now take fire damage and be flammable, instead of just items. And instead of having just FLAMMABLE objs that become ON_FIRE as soon as some fire touch them (paper), we now have objects that are non flammable but do take damage from fire and become ashes if their health reaches zero (only for items). The damage taken varies depending on the obj's fire armor value and total health. There's also still obj and items that are FIRE_PROOF (although some might still be melted by lava if they're not LAVA_PROOF).
When a mob is on fire, its clothes now take fire damage and can turn to ashes. Similarly, when a mob takes melee damages, its clothes gets damaged a bit and can turn to shreds. You can repair clothes with cloth that is produceable by botany's biogenerator.
It also does many minor things:
Clicking a structure/machine with an item on help intent never results in an attack (so you don't destroy a structure while trying to figure out which tool to use).
I moved a lot of objects away from /obj/effect, it should only be used for visual effects, decals and stuff, not for things you can hit and destroy.
I tweaked a bit how clothes shredding from bombs work.
I made a machine or structure un/anchorable with the wrench, I don't remember which object...
Since I changed the meaning of the FIRE_PROOF bitflag to actually mean fire immune, I'm buffing the slime extract that you apply on items to make them fire proof. well now they're really 100% fire proof!
animals with environment_smash = 1 no longer one-hit destroy tables and stuff, we give them a decent obj_damage value so they can destroy most obj relatively fast depending on the animal.
Probably a million things I forgot.
If you want to know how the damage system works all you need is the three obj vars "obj_integrity", "max_integrity", "integrity_failure", as well as the armor list var and the resistance_flags bitfield, and read the file obj_defense.dm
* Replaces a bunch of istypes with their proper macros
* i'm not sure doing a 100+ file changed pr on a whim is something you do when bored
especially if you do it by hand because you never actually learned the regex that would let you automate it
* i'm just... gonna do this, because that check was true a lot and it shouldn't matter
This just adds some vars that the refactor will use. Putting this in a separate PR prevent the damage refactor PR from becoming too big (number of files changed) and hard to read and review.
Introduces the resistance_flags bitflag that replaces unacidable and burn_state.
Moves the armor var from item to /obj level and gives specific armor values to many objects, the armor list also gets two new armor types: fire and acid, which will be used in the refactor. the new fire and acid armor values are given to plenty of items.
* Does some stuff
* Fixes ties on humans and corgis not applying color and alpha to the overlays
* Renames /datum/dog_fashion vars to reduce confusion
Also fixes issue introduced in d2fd3f36918b9abfa833b75fda8af3c124c85336 where custom DF icon_states (now obj_icon_state) would not carry over to the corgi
* Fixes consistency mess up with dog_fashion
caused by 2595ce2d322cd74653eca2be43f79ad63104e61a
Sprites by Nienhaus with edits done to them by me
The colors look almost identical but now only the white, and striped versions of the beanies exist with the other colors being done via color variable.
This PR ports pockets (from Animus Green) and adds them to some clothing.
Shoes that support storing items now use pockets system.
Some hats have 1 small pocket.
Detective's hat spawns with a flask in it.
Clown's mask has a single tiny top-secret pocket. Honk!
This PR also includes two or three path fixes. It also fixes internal storages (pockets, storage implant) having less "max depth" than external ones.
The "set internals" button of tank items now turn green when it's used as internals.
Removed research scanner from drones (since cyborgs don't have it, it's more consistent)
Removed the ignore_madkadjust mask var.
The sechailer mask now has an adjust mask action button, so I removed the adjust verb that it was using.
The item's action are now created on item/New() instead of trying to create it every time someone picks the item up.
I split hud/action.dm, the datum/action stuff is now in the datum folder (/datum/action.dm), whereas the code for action buttons is kept in the hud folder under action_button.dm. Also I moved some /datum/action code that was in some files back into datum/action.dm where it belongs.
The action buttons now update their icon instantly.
Fixes versions of pickup(),equipped() and dropped not calling the parent.
Fixes drone not being able to remove a defib from their storage.
You can now cycle the mime mask by clicking it in your hand.
The action buttons for hardsuit and hooded suits now only appears when you're wearing the suit.
Created two mob helper procs getBeltSlot() and getBackSlot().
Created /datum/species/proc/on_species_loss() to handle stuff when our race change, currently only used by jelly and slime race to remove their exotic blood from our reagents and to remove slime people's action buttons.
Fixes not seeing glasses through the riot helmet.
Fixes gas mask protruding from the abductor helmet.
Fixed radiation hood not hiding your hair, earpiece, mask.
Fixes colored justice hats not having an on-mob icon_stat.
Removed BLOCKHAIR bit from var/flags , moved it to flags_inv and renamed to HIDEHAIR
Added HIDEFACIALHAIR bitflag so certain hat/helmet can show just the beard.
Fixed human/update_inv_glasses not checking if our mask hides our glasses.
Fixed check_obscured_slots() not checking if our masj obscur our glasses.
Fixes some bits of flags_inv having the same value.
Fixes crusader hood and other headgear not hiding your identity when they should.
Fixes drone mask icon not appearing.
This code is awful and full of copy-paste and I can't be assed/can't
manage to figure out how to fix it properly so I just got the hammer and
made it always update everything whenever you toggle a helmet. Exploit's
dead at least.
Fixes#13486