Adds 'antifuel' reagent + associated chem grenades (#15074)

* initial test?

* adds them

* cl

* oops forgot recipe

code/game/machinery/vending_types.dm

@@ -1023,7 +1023,8 @@
 		/obj/item/module/power_control = 10,
 		/obj/item/airalarm_electronics = 10,
 		/obj/item/firealarm_electronics = 10,
-		/obj/item/cell/high = 10
+		/obj/item/cell/high = 10,
+		/obj/item/grenade/chem_grenade/antifuel = 5
 	)
 	contraband = list(
 		/obj/item/cell/potato = 3

code/game/objects/items/weapons/grenades/chem_grenade.dm

@@ -301,6 +301,27 @@
 	beakers += B2
 	icon_state = initial(icon_state) +"_locked"
 
+/obj/item/grenade/chem_grenade/antifuel
+	name = "antifuel grenade"
+	desc = "This grenade is loaded with a foaming antifuel compound -- the twenty-fifth century standard for eliminating industrial spills."
+	stage = 2
+	path = 1
+
+/obj/item/grenade/chem_grenade/antifuel/Initialize()
+	. = ..()
+	var/obj/item/reagent_containers/glass/beaker/B1 = new(src)
+	var/obj/item/reagent_containers/glass/beaker/B2 = new(src)
+
+	B1.reagents.add_reagent(/decl/reagent/surfactant, 40)
+	B2.reagents.add_reagent(/decl/reagent/water, 40)
+	B2.reagents.add_reagent(/decl/reagent/antifuel, 10)
+
+	detonator = new/obj/item/device/assembly_holder/timer_igniter(src)
+
+	beakers += B1
+	beakers += B2
+	icon_state = initial(icon_state) +"_locked"
+
 /obj/item/grenade/chem_grenade/large/phoroncleaner
 	name = "large cardox grenade"
 	desc = "A large chemical grenade containing a heavy amount of cardox. Use in case of phoron leaks. Warning: Harmful to Vaurca health."

code/game/objects/structures/crates_lockers/closets/secure/engineering.dm

@@ -28,6 +28,7 @@
 	new /obj/item/grenade/chem_grenade/large/phoroncleaner(src)
 	new /obj/item/crowbar/rescue_axe/red(src)
 	new /obj/item/device/radio/eng/off(src)
+	new /obj/item/grenade/chem_grenade/antifuel(src)
 
 // Chief Engineer - Clothing Satchel
 // This satchel is used nowhere except in conjunction with the locker above,
@@ -73,6 +74,7 @@
 	new /obj/item/storage/belt/utility(src)
 	new /obj/item/device/gps/engineering(src)
 	new /obj/item/pipewrench(src)
+	new /obj/item/grenade/chem_grenade/antifuel(src)
 
 	// Painters
 	new /obj/item/device/floor_painter(src)
@@ -106,6 +108,7 @@
 	new /obj/item/pipewrench(src)
 	new /obj/item/crowbar/rescue_axe(src)
 	new /obj/item/device/flashlight/heavy(src)
+	new /obj/item/grenade/chem_grenade/antifuel(src)
 
 	// Painters
 	new /obj/item/device/floor_painter(src)

code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Other.dm

@@ -337,6 +337,43 @@
 		if(prob(25))
 			M.add_chemical_effect(CE_NEPHROTOXIC, 1)
 
+/decl/reagent/antifuel
+	name = "Antifuel"
+	description = "This compound is very specifically designed to react with and break up common combustible fuels."
+	taste_description = "varnish"
+
+/decl/reagent/antifuel/touch_obj(var/obj/O, var/amount, var/datum/reagents/holder)
+	if (istype(O, /obj/effect/decal/cleanable/liquid_fuel))
+		O.clean_blood()
+
+/decl/reagent/antifuel/affect_ingest(var/mob/living/carbon/M, var/alien, var/removed, var/datum/reagents/holder)
+	if(REAGENT_VOLUME(holder, type) > 15)
+		M.add_chemical_effect(CE_EMETIC, 5)
+		if(M.losebreath < 15)
+			M.losebreath++
+		if(prob(5))
+			to_chat(M, SPAN_WARNING(pick("Your throat burns!", "All you can taste is metal!", "Your insides are on fire!", "Your feel a burning pain in your gut!")))
+	else
+		if(prob(5))
+			to_chat(M, SPAN_WARNING(pick("Your throat stings a bit.", "You can taste something sour.")))
+
+/decl/reagent/antifuel/affect_breathe(var/mob/living/carbon/M, var/alien, var/removed, var/datum/reagents/holder)
+	if(REAGENT_VOLUME(holder, type) > 15)
+		M.add_chemical_effect(CE_EMETIC, 5)
+		if(M.losebreath < 15)
+			M.losebreath++
+		if(prob(5))
+			to_chat(M, SPAN_WARNING(pick("Your throat burns!", "All you can taste is metal!", "Your insides are on fire!", "Your feel a burning pain in your gut!")))
+	else
+		if(prob(5))
+			to_chat(M, SPAN_NOTICE(pick("You get a strong whiff of industrial fumes - careful.")))
+
+/decl/reagent/antifuel/affect_blood(var/mob/living/carbon/M, var/alien, var/removed, var/datum/reagents/holder)
+	if(REAGENT_VOLUME(holder, type) > 15)
+		M.add_chemical_effect(CE_EMETIC, 5)
+		if(prob(25))
+			M.add_chemical_effect(CE_NEPHROTOXIC, 1)
+
 /decl/reagent/lube
 	name = "Space Lube"
 	description = "Lubricant is a substance introduced between two moving surfaces to reduce the friction and wear between them."

code/modules/reagents/Chemistry-Recipes.dm

@@ -517,6 +517,13 @@
 	required_reagents = list(/decl/reagent/ammonia = 1, /decl/reagent/water = 1)
 	result_amount = 2
 
+/datum/chemical_reaction/antifuel
+	name = "Antifuel"
+	id = "antifuel"
+	result = /decl/reagent/antifuel
+	required_reagents = list(/decl/reagent/spacecleaner = 1, /decl/reagent/sodium = 1)
+	result_amount = 2
+
 /datum/chemical_reaction/plantbgone
 	name = "Plant-B-Gone"
 	id = "plantbgone"

html/changelogs/omicega-fdsifgdsiogdfiogd.yml

@@ -0,0 +1,13 @@
+# Your name.
+author: Omicega
+
+# Optional: Remove this file after generating master changelog.  Useful for PR changelogs that won't get used again.
+delete-after: True
+
+# Any changes you've made.  See valid prefix list above.
+# INDENT WITH TWO SPACES.  NOT TABS.  SPACES.
+# SCREW THIS UP AND IT WON'T WORK.
+# Also, all entries are changed into a single [] after a master changelog generation. Just remove the brackets when you add new entries.
+# Please surround your changes in  double quotes ("), as certain characters otherwise screws up compiling. The quotes will not show up in the changelog.
+changes:
+  - rscadd: "Adds antifuel reagent (for cleaning liquid fuel exclusively) + associated chemical grenades to engineering."