[TG Mirror] Adds 'Bloody Spreader' component that bloodies everything it touches

code/__DEFINES/dcs/signals/signals_storage.dm

@@ -5,3 +5,5 @@
 /// Sent after dumping into some other storage object: (atom/dest_object, mob/user)
 #define COMSIG_STORAGE_DUMP_POST_TRANSFER "storage_dump_into_storage"
 
+/// Sent to the STORAGE when an ITEM is STORED INSIDE.
+#define COMSIG_STORAGE_STORED_ITEM "storage_storing_item"

code/datums/components/bloody_spreader.dm

@@ -0,0 +1,45 @@
+/datum/component/bloody_spreader
+	dupe_mode = COMPONENT_DUPE_UNIQUE_PASSARGS
+	// How many bloodening instances are left. Deleted on zero.
+	var/blood_left
+	// We will spread this blood DNA to targets!
+	var/list/blood_dna
+	// Blood splashed around everywhere will carry these diseases. Oh no...
+	var/list/diseases
+
+/datum/component/bloody_spreader/Initialize(blood_left, list/blood_dna, list/diseases)
+	if(!isatom(parent))
+		return COMPONENT_INCOMPATIBLE
+	var/list/signals_to_add = list(COMSIG_ATOM_ENTERED, COMSIG_ATOM_BLOB_ACT, COMSIG_ATOM_HULK_ATTACK, COMSIG_ATOM_ATTACKBY)
+	if(ismovable(parent))
+		signals_to_add += list(COMSIG_MOVABLE_BUMP, COMSIG_MOVABLE_IMPACT)
+		if(isitem(parent))
+			signals_to_add += list(COMSIG_ITEM_ATTACK, COMSIG_ITEM_ATTACK_ATOM, COMSIG_ITEM_HIT_REACT, COMSIG_ITEM_ATTACK_SELF, COMSIG_ITEM_EQUIPPED, COMSIG_ITEM_DROPPED)
+		var/atom/atom_parent = parent
+		if(atom_parent.atom_storage)
+			signals_to_add += list(COMSIG_STORAGE_STORED_ITEM)
+		else if(isstructure(parent))
+			signals_to_add += list(COMSIG_ATOM_ATTACK_HAND)
+
+	RegisterSignals(parent, signals_to_add, PROC_REF(spread_yucky_blood))
+
+	if(isclothing(parent))
+		parent.AddComponent(/datum/component/bloodysoles)
+
+	src.blood_left = blood_left
+	src.blood_dna = blood_dna
+	src.diseases = diseases
+
+/datum/component/bloody_spreader/proc/spread_yucky_blood(atom/parent, atom/bloody_fool)
+	SIGNAL_HANDLER
+	bloody_fool.add_blood_DNA(blood_dna, diseases)
+
+/datum/component/bloody_spreader/InheritComponent(/datum/component/new_comp, i_am_original, blood_left = 0)
+
+	if(!i_am_original)
+		return
+
+	if(src.blood_left >= INFINITY)
+		return
+
+	src.blood_left += blood_left

code/datums/materials/meat.dm

@@ -18,23 +18,44 @@
 /datum/material/meat/on_removed(atom/source, amount, material_flags)
 	. = ..()
 	qdel(source.GetComponent(/datum/component/edible))
+	qdel(source.GetComponent(/datum/component/blood_walk))
+	qdel(source.GetComponent(/datum/component/bloody_spreader))
 
 /datum/material/meat/on_applied_obj(obj/O, amount, material_flags)
 	. = ..()
-	make_edible(O, amount, material_flags)
+	make_meaty(O, amount, material_flags)
 
 /datum/material/meat/on_applied_turf(turf/T, amount, material_flags)
 	. = ..()
-	make_edible(T, amount, material_flags)
+	make_meaty(T, amount, material_flags)
 
-/datum/material/meat/proc/make_edible(atom/source, amount, material_flags)
+/datum/material/meat/proc/make_meaty(atom/source, amount, material_flags)
 	var/nutriment_count = 3 * (amount / SHEET_MATERIAL_AMOUNT)
 	var/oil_count = 2 * (amount / SHEET_MATERIAL_AMOUNT)
 	source.AddComponent(/datum/component/edible, \
 		initial_reagents = list(/datum/reagent/consumable/nutriment = nutriment_count, /datum/reagent/consumable/nutriment/fat/oil = oil_count), \
 		foodtypes = RAW | MEAT | GROSS, \
 		eat_time = 3 SECONDS, \
-		tastes = list("Fleshy"))
+		tastes = list("Meaty"))
+
+
+	source.AddComponent(
+		/datum/component/bloody_spreader,\
+		blood_left = (nutriment_count + oil_count) * 0.3,\
+		blood_dna = list("meaty DNA" = "MT-"),\
+		diseases = null,\
+	)
+
+	// Turfs can't handle the meaty goodness of blood walk.
+	if(!ismovable(source))
+		return
+
+	source.AddComponent(
+		/datum/component/blood_walk,\
+		blood_type = /obj/effect/decal/cleanable/blood,\
+		blood_spawn_chance = 35,\
+		max_blood = (nutriment_count + oil_count) * 0.3,\
+	)
 
 /datum/material/meat/mob_meat
 	init_flags = MATERIAL_INIT_BESPOKE

code/datums/storage/storage.dm

@@ -433,6 +433,8 @@ GLOBAL_LIST_EMPTY(cached_storage_typecaches)
 	if(!can_insert(to_insert, user, force = force))
 		return FALSE
 
+	SEND_SIGNAL(resolve_location, COMSIG_STORAGE_STORED_ITEM, to_insert, user, force)
+
 	to_insert.item_flags |= IN_STORAGE
 	to_insert.forceMove(resolve_location)
 	item_insertion_feedback(user, to_insert, override)

code/game/objects/items/food/meatslab.dm

@@ -4,6 +4,28 @@
 	icon = 'icons/obj/food/meat.dmi'
 	var/subjectname = ""
 	var/subjectjob = null
+	var/blood_decal_type = /obj/effect/decal/cleanable/blood
+
+/obj/item/food/meat/Initialize(mapload)
+	. = ..()
+
+	if(!blood_decal_type)
+		return
+
+	AddComponent(
+		/datum/component/blood_walk,\
+		blood_type = blood_decal_type,\
+		blood_spawn_chance = 45,\
+		max_blood = custom_materials[custom_materials[1]],\
+	)
+
+	AddComponent(
+		/datum/component/bloody_spreader,\
+		blood_left = custom_materials[custom_materials[1]],\
+		blood_dna = list("meaty DNA" = "MT-"),\
+		diseases = null,\
+	)
+
 
 /obj/item/food/meat/slab
 	name = "meat"
@@ -55,6 +77,7 @@
 	tastes = list("slime" = 1, "jelly" = 1)
 	foodtypes = MEAT | RAW | TOXIC
 	venue_value = FOOD_MEAT_MUTANT_RARE
+	blood_decal_type = null
 
 /obj/item/food/meat/slab/human/mutant/golem
 	icon_state = "golemmeat"
@@ -66,6 +89,7 @@
 	tastes = list("rock" = 1)
 	foodtypes = MEAT | RAW | GROSS
 	venue_value = FOOD_MEAT_MUTANT_RARE
+	blood_decal_type = null
 
 /obj/item/food/meat/slab/human/mutant/golem/adamantine
 	icon_state = "agolemmeat"
@@ -89,6 +113,7 @@
 	tastes = list("salad" = 1, "wood" = 1)
 	foodtypes = VEGETABLES
 	venue_value = FOOD_MEAT_MUTANT_RARE
+	blood_decal_type = /obj/effect/decal/cleanable/food/plant_smudge
 
 /obj/item/food/meat/slab/human/mutant/shadow
 	icon_state = "shadowmeat"
@@ -107,6 +132,7 @@
 	tastes = list("maggots" = 1, "the inside of a reactor" = 1)
 	foodtypes = MEAT | RAW | GROSS | BUGS | GORE
 	venue_value = FOOD_MEAT_MUTANT
+	blood_decal_type = /obj/effect/decal/cleanable/insectguts
 
 /obj/item/food/meat/slab/human/mutant/moth
 	icon_state = "mothmeat"
@@ -122,6 +148,7 @@
 	tastes = list("bone" = 1)
 	foodtypes = GROSS | GORE
 	venue_value = FOOD_MEAT_MUTANT_RARE
+	blood_decal_type = null
 
 /obj/item/food/meat/slab/human/mutant/skeleton/make_processable()
 	return //skeletons dont have cutlets
@@ -140,6 +167,7 @@
 	tastes = list("pure electricity" = 2, "meat" = 1)
 	foodtypes = RAW | MEAT | TOXIC | GORE
 	venue_value = FOOD_MEAT_MUTANT
+	blood_decal_type = null
 
 ////////////////////////////////////// OTHER MEATS ////////////////////////////////////////////////////////
 
@@ -174,6 +202,7 @@
 	name = "bug meat"
 	icon_state = "spidermeat"
 	foodtypes = RAW | MEAT | BUGS
+	blood_decal_type = /obj/effect/decal/cleanable/insectguts
 
 /obj/item/food/meat/slab/mouse
 	name = "mouse meat"
@@ -219,6 +248,7 @@
 	food_reagents = list(/datum/reagent/consumable/nutriment = 2)
 	tastes = list("tomato" = 1)
 	foodtypes = FRUIT
+	blood_decal_type = /obj/effect/decal/cleanable/food/tomato_smudge
 
 /obj/item/food/meat/slab/killertomato/make_grillable()
 	AddComponent(/datum/component/grillable, /obj/item/food/meat/steak/killertomato, rand(70 SECONDS, 85 SECONDS), TRUE, TRUE)
@@ -260,6 +290,7 @@
 	bite_consumption = 4
 	tastes = list("meat" = 1, "acid" = 1)
 	foodtypes = RAW | MEAT
+	blood_decal_type = /obj/effect/decal/cleanable/xenoblood
 
 /obj/item/food/meat/slab/xeno/make_processable()
 	AddElement(/datum/element/processable, TOOL_KNIFE, /obj/item/food/meat/rawcutlet/xeno, 3, 3 SECONDS, table_required = TRUE, screentip_verb = "Cut")
@@ -278,6 +309,7 @@
 	)
 	tastes = list("cobwebs" = 1)
 	foodtypes = RAW | MEAT | TOXIC
+	blood_decal_type = /obj/effect/decal/cleanable/insectguts
 
 /obj/item/food/meat/slab/spider/make_processable()
 	AddElement(/datum/element/processable, TOOL_KNIFE, /obj/item/food/meat/rawcutlet/spider, 3, 3 SECONDS, table_required = TRUE, screentip_verb = "Cut")
@@ -512,10 +544,12 @@
 /obj/item/food/meat/steak/xeno
 	name = "xeno steak"
 	tastes = list("meat" = 1, "acid" = 1)
+	blood_decal_type = /obj/effect/decal/cleanable/xenoblood
 
 /obj/item/food/meat/steak/spider
 	name = "spider steak"
 	tastes = list("cobwebs" = 1)
+	blood_decal_type = /obj/effect/decal/cleanable/insectguts
 
 /obj/item/food/meat/steak/goliath
 	name = "goliath steak"
@@ -618,6 +652,7 @@
 	name = "raw killer tomato cutlet"
 	tastes = list("tomato" = 1)
 	foodtypes = FRUIT
+	blood_decal_type = /obj/effect/decal/cleanable/food/tomato_smudge
 
 /obj/item/food/meat/rawcutlet/killertomato/make_grillable()
 	AddComponent(/datum/component/grillable, /obj/item/food/meat/cutlet/killertomato, rand(35 SECONDS, 50 SECONDS), TRUE, TRUE)
@@ -636,13 +671,15 @@
 /obj/item/food/meat/rawcutlet/xeno
 	name = "raw xeno cutlet"
 	tastes = list("meat" = 1, "acid" = 1)
+	blood_decal_type = /obj/effect/decal/cleanable/xenoblood
 
 /obj/item/food/meat/rawcutlet/xeno/make_grillable()
 	AddComponent(/datum/component/grillable, /obj/item/food/meat/cutlet/xeno, rand(35 SECONDS, 50 SECONDS), TRUE, TRUE)
 
 /obj/item/food/meat/rawcutlet/spider
 	name = "raw spider cutlet"
 	tastes = list("cobwebs" = 1)
+	blood_decal_type = /obj/effect/decal/cleanable/insectguts
 
 /obj/item/food/meat/rawcutlet/spider/make_grillable()
 	AddComponent(/datum/component/grillable, /obj/item/food/meat/cutlet/spider, rand(35 SECONDS, 50 SECONDS), TRUE, TRUE)
@@ -719,6 +756,7 @@
 	name = "killer tomato cutlet"
 	tastes = list("tomato" = 1)
 	foodtypes = FRUIT
+	blood_decal_type = /obj/effect/decal/cleanable/food/tomato_smudge
 
 /obj/item/food/meat/cutlet/bear
 	name = "bear cutlet"
@@ -727,10 +765,12 @@
 /obj/item/food/meat/cutlet/xeno
 	name = "xeno cutlet"
 	tastes = list("meat" = 1, "acid" = 1)
+	blood_decal_type = /obj/effect/decal/cleanable/xenoblood
 
 /obj/item/food/meat/cutlet/spider
 	name = "spider cutlet"
 	tastes = list("cobwebs" = 1)
+	blood_decal_type = /obj/effect/decal/cleanable/insectguts
 
 /obj/item/food/meat/cutlet/gondola
 	name = "gondola cutlet"

code/game/objects/items/storage/backpack.dm

@@ -247,6 +247,7 @@
 	throwforce = 15
 	attack_verb_continuous = list("MEATS", "MEAT MEATS")
 	attack_verb_simple = list("MEAT", "MEAT MEAT")
+	custom_materials = list(/datum/material/meat = SHEET_MATERIAL_AMOUNT * 25) // MEAT
 	///Sounds used in the squeak component
 	var/list/meat_sounds = list('sound/effects/blobattack.ogg' = 1)
 	///Reagents added to the edible component, ingested when you EAT the MEAT
@@ -263,13 +264,26 @@
 
 /obj/item/storage/backpack/meat/Initialize(mapload)
 	. = ..()
-	AddComponent(/datum/component/edible,\
+	AddComponent(
+		/datum/component/edible,\
 		initial_reagents = meat_reagents,\
 		foodtypes = foodtypes,\
 		tastes = tastes,\
 		eatverbs = eatverbs,\
 	)
 	AddComponent(/datum/component/squeak, meat_sounds)
+	AddComponent(
+		/datum/component/blood_walk,\
+		blood_type = /obj/effect/decal/cleanable/blood,\
+		blood_spawn_chance = 15,\
+		max_blood = 300,\
+	)
+	AddComponent(
+		/datum/component/bloody_spreader,\
+		blood_left = INFINITY,\
+		blood_dna = list("MEAT DNA" = "MT+"),\
+		diseases = null,\
+	)
 
 /*
  * Satchel Types

code/modules/antagonists/fugitive/hunters/hunter_gear.dm

@@ -139,6 +139,19 @@
 	if(gored)
 		name = gored.real_name
 
+	AddComponent(
+		/datum/component/blood_walk,\
+		blood_type = /obj/effect/decal/cleanable/blood,\
+		blood_spawn_chance = 66.6,\
+		max_blood = INFINITY,\
+	)
+
+	AddComponent(/datum/component/bloody_spreader,\
+		blood_left = INFINITY,\
+		blood_dna = list("meaty DNA" = "MT-"),\
+		diseases = null,\
+	)
+
 /obj/structure/bouncy_castle/play_attack_sound(damage_amount, damage_type = BRUTE, damage_flag = 0)
 	switch(damage_type)
 		if(BRUTE)

code/modules/antagonists/heretic/items/heretic_blades.dm

@@ -88,6 +88,23 @@
 	inhand_icon_state = "flesh_blade"
 	after_use_message = "The Marshal hears your call..."
 
+/obj/item/melee/sickly_blade/flesh/Initialize(mapload)
+	. = ..()
+
+	AddComponent(
+		/datum/component/blood_walk,\
+		blood_type = /obj/effect/decal/cleanable/blood,\
+		blood_spawn_chance = 66.6,\
+		max_blood = INFINITY,\
+	)
+
+	AddComponent(
+		/datum/component/bloody_spreader,\
+		blood_left = INFINITY,\
+		blood_dna = list("Unknown DNA" = "X*"),\
+		diseases = null,\
+	)
+
 // Path of Void's blade
 /obj/item/melee/sickly_blade/void
 	name = "\improper void blade"

code/modules/mapfluff/ruins/spaceruin_code/meateor.dm

@@ -44,6 +44,14 @@
 	icon = 'icons/mob/simple/meteor_heart.dmi'
 	anchored = TRUE
 
+/obj/structure/meateor_fluff/Initialize(mapload)
+	. = ..()
+	AddComponent(/datum/component/bloody_spreader,\
+		blood_left = INFINITY,\
+		blood_dna = list("meaty DNA" = "MT-"),\
+		diseases = null,\
+	)
+
 /obj/structure/meateor_fluff/play_attack_sound(damage_amount, damage_type, damage_flag)
 	switch(damage_type)
 		if(BRUTE)

code/modules/mob/living/basic/space_fauna/meteor_heart/meteor_heart.dm

@@ -60,6 +60,12 @@
 	soundloop.pressure_affected = FALSE
 	soundloop.start()
 
+
+	AddComponent(/datum/component/bloody_spreader,\
+		blood_left = INFINITY,\
+		blood_dna = list("meaty DNA" = "MT-"),\
+		diseases = null,\
+	)
 /// Called when we get mad at something, either for attacking us or attacking the nearby area
 /mob/living/basic/meteor_heart/proc/aggro()
 	if (ai_controller.ai_status == AI_STATUS_ON)

tgstation.dme

@@ -1051,6 +1051,7 @@
 #include "code\datums\components\beetlejuice.dm"
 #include "code\datums\components\blob_minion.dm"
 #include "code\datums\components\blood_walk.dm"
+#include "code\datums\components\bloody_spreader.dm"
 #include "code\datums\components\bloodysoles.dm"
 #include "code\datums\components\boomerang.dm"
 #include "code\datums\components\boss_music.dm"