Kitchen rework part 1: machines and recipes. (#28277)

* Kitchen rework part 1: machines and recipes.

* update oldstation

* update updatepaths script number

* fix blank icon test

* remove old deep fryer completely

* fix duped recipes and recipe datum names

* add chef PDA cart to chefdrobe

* nerf grill wood consumption rate

* multiply food for cooking machine rating

* fix runtime

* add cookware to syndie base and oldstation

* remove dupe burger recipe, update syndie/oldstation setups

* nerf potency quality award

* buff burn/ignite times, remove pointless on_fire flag

* more grill woodburn nerf

* meh

* try and unfuck timing issues

* more fixes and icon updates

* more fixes

* more review changes

* fix linter

* disable pcwj debug

* fix grill and deep fryer overlays

* fix timers with no containers

* attempt to fix reagent adding issues

* more cleanups

* allow rped usage

* grammar, null checks, reagent display

* PDA updates, map updates

* fix mats values

* new panel sprites

* recipe fixes, add prep bowl

* revert unused icon file changes

* move this to mesh with smith TM

* remove food quality for now

* New sprites, autochef.

* fix examine text

* reduce oven cook times

* lots of fixes

* fix autochef recipes that start with reagents

* prevent shenanigans

* megapatch 1

* block ingredients behind oven door

* PDA app improvements

* remove unused proc

* fixes for cookbook, descontructions, completed steps

* allow empty containers with a tracker to be claimed

* allow reclaiming

* autochef reliability fixes

* autochef reliability fixes

* fix quality product count

* update updatepaths script

* better stack handling

* more fixes for stacks and reagents

* timers no longer turn off burners automatically

* autochef turn offs and make sure we can see output storage

* add microwave recipe for roundremoving player brains

* Apply suggestions from code review

Co-authored-by: Burzah <116982774+Burzah@users.noreply.github.com>
Signed-off-by: warriorstar-orion <orion@snowfrost.garden>

* burza review 1

* Apply suggestions from code review

Co-authored-by: Burzah <116982774+Burzah@users.noreply.github.com>
Signed-off-by: warriorstar-orion <orion@snowfrost.garden>

* fix berry muffin name while i'm here

* grill -> microwave in new tests

* grill -> microwave in new tests, but actually for realsies

* i definitely know what i'm doing

* redundant attack chain setting

* add examine text about clearing buffer

* remove unused vars and start improving docs

---------

Signed-off-by: warriorstar-orion <orion@snowfrost.garden>
Co-authored-by: Burzah <116982774+Burzah@users.noreply.github.com>

code/modules/reagents/chemistry/reagents_holder.dm

@@ -675,6 +675,9 @@
 		var/amt = list_reagents[r_id]
 		add_reagent(r_id, amt, data)
 
+/datum/reagents/proc/get_free_space()
+	return maximum_volume - total_volume
+
 /**
  * Attempts to add X of the matching reagent to the holder.
  *
@@ -783,6 +786,9 @@
 					return FALSE
 	return FALSE
 
+/datum/reagents/proc/is_empty()
+	return length(reagent_list) == 0
+
 /**
  * Returns the amount of the matching reagent inside the holder.
  *

code/modules/reagents/reagent_containers.dm

@@ -34,6 +34,9 @@
 	if(!length(possible_transfer_amounts))
 		// Nothing to configure.
 		return FALSE
+	return TRUE
+
+/obj/item/reagent_containers/proc/is_valid_interaction(mob/user)
 	if(isrobot(user) && src.loc == user)
 		// Borgs can configure their modules.
 		return TRUE
@@ -49,6 +52,7 @@
 		// I guess there's, like, a switch or a dial or something?
 		// Whatever, you need to use your hands for this.
 		return FALSE
+
 	return TRUE
 
 /obj/item/reagent_containers/AltClick(mob/user)