[DRAFT] Elzuose Carapace Prototype

code/__DEFINES/mobs.dm

@@ -250,8 +250,7 @@
 //Used as an upper limit for species that continuously gain nutriment
 #define NUTRITION_LEVEL_ALMOST_FULL 535
 
-//Charge levels for Ethereals
-//WS Begin -- Ethereal Charge Scaling
+//Charge levels for Elzu
 #define ELZUOSE_CHARGE_SCALING_MULTIPLIER 20
 #define ELZUOSE_CHARGE_NONE (0 * ELZUOSE_CHARGE_SCALING_MULTIPLIER)
 #define ELZUOSE_CHARGE_LOWPOWER (20 * ELZUOSE_CHARGE_SCALING_MULTIPLIER)
@@ -260,7 +259,12 @@
 #define ELZUOSE_CHARGE_FULL (100 * ELZUOSE_CHARGE_SCALING_MULTIPLIER)
 #define ELZUOSE_CHARGE_OVERLOAD (125 * ELZUOSE_CHARGE_SCALING_MULTIPLIER)
 #define ELZUOSE_CHARGE_DANGEROUS (150 * ELZUOSE_CHARGE_SCALING_MULTIPLIER)
-//WS End
+
+//Carapace conditions for Elzuose
+#define CARAPACE_BROKEN "carapace_broken"
+#define CARAPACE_BREAKING "carapace_breaking"
+#define CARAPACE_DAMAGED "carapace_damaged"
+#define CARAPACE_FINE "carapace_fine"
 
 //Slime evolution threshold. Controls how fast slimes can split/grow
 #define SLIME_EVOLUTION_THRESHOLD 10

code/_onclick/hud/alert.dm

@@ -476,6 +476,34 @@ or shoot a gun to move around via Newton's 3rd Law of Motion."
 	desc = "Your blood's electric charge is becoming dangerously high, find an outlet for your energy. Use Grab Intent on an APC to channel your energy into it."
 	icon_state = "ethereal_overcharge"
 
+/atom/movable/screen/alert/elzucarapace
+	name = "Carapace"
+	icon_state = "elzucarapace"
+	desc = "Your carapace is protecting your delicate internal tissues from damage."
+
+/atom/movable/screen/alert/elzucarapace/Initialize()
+	. = ..()
+	START_PROCESSING(SSprocessing, src)
+
+/atom/movable/screen/alert/elzucarapace/Destroy()
+	STOP_PROCESSING(SSprocessing, src)
+	return ..()
+
+/atom/movable/screen/alert/elzucarapace/process()
+	var/mob/living/carbon/human/elzu = owner
+	var/datum/species/elzuose/elzu_stuff = elzu.dna.species
+
+	switch(elzu_stuff.carapace_state)
+		if(CARAPACE_FINE)
+			desc = "Your carapace is protecting your delicate internal tissues from damage."
+		if(CARAPACE_DAMAGED)
+			desc = "Your carapace is damaged, and won't be as effective at absorbing incoming trauma."
+		if(CARAPACE_BREAKING)
+			desc = "Your carapace is in very bad shape... Don't let it break!"
+		if(CARAPACE_BROKEN)
+			desc = "Your carapace has broken into pieces! Any damage you take now will cause additional injury, and movement may harm you."
+	return
+
 //MODsuit unique
 /atom/movable/screen/alert/nocore
 	name = "Missing Core"

code/modules/mob/living/carbon/human/examine.dm

@@ -336,6 +336,17 @@
 		if(151 to INFINITY)
 			. += "<b>[t_He] [t_is] covered in glistening dust!</b>" //End WS edit
 
+	//slop. Someone please add an examine proc to species
+	if(iselzuose(src))
+		var/datum/species/elzuose/ourspecies = dna.species
+		switch(ourspecies.carapace_state)
+			if(CARAPACE_DAMAGED)
+				. += span_warning("[t_His] skin is backlit by small, hairline fractures.")
+			if(CARAPACE_BREAKING)
+				. += span_warning("[t_His] skin is underlaid with precarious looking cracks, on the verge of splitting apart.")
+			if(CARAPACE_BROKEN)
+				. += span_warning("<b>[t_His] carapace has completely splintered apart, exposing flashes of the delicate tissue beneath.<b>")
+
 	var/trait_exam = common_trait_examine()
 	if (!isnull(trait_exam))
 		. += trait_exam

code/modules/mob/living/carbon/human/species_types/ethereal.dm

@@ -4,6 +4,11 @@
 #define ROOT_TIME (3 SECONDS)
 #define ROOT_CHARGE_GAIN (5 * ELZUOSE_CHARGE_SCALING_MULTIPLIER)
 
+#define CARAPACE_REGEN_LOWCHARGE 0.002
+#define CARAPACE_REGEN_MEDCHARGE 0.004
+#define CARAPACE_REGEN_HIGHCHARGE 0.008
+#define CARAPACE_REGEN_FASTCHARGE 0.032//finally a reason to risk intentional overload
+
 /datum/species/elzuose
 	name = "\improper Elzuose"
 	id = SPECIES_ELZUOSE
@@ -13,8 +18,6 @@
 	meat = /obj/item/reagent_containers/food/snacks/meat/slab/human/mutant/ethereal
 	mutantstomach = /obj/item/organ/stomach/ethereal
 	mutanttongue = /obj/item/organ/tongue/ethereal
-	siemens_coeff = 0.5 //They thrive on energy
-	brutemod = 1.25 //They're weak to punches
 	attack_type = BURN //burn bish
 	exotic_bloodtype = "E"
 	species_age_max = 300
@@ -54,6 +57,16 @@
 	var/obj/effect/dummy/lighting_obj/ethereal_light
 	var/datum/action/innate/root/rooting
 
+	siemens_coeff = 0.5 //They thrive on energy
+	brutemod = 1.25 //They're weak to punches
+
+	//Elzu carapace. Greatly reduces damage taken until shattered. Takes a long time to recover.
+	var/carapace_hp = 100
+	var/carapace_state = CARAPACE_FINE
+	var/carapace_regen_factor = CARAPACE_REGEN_MEDCHARGE
+	var/shattered = FALSE
+
+
 /datum/species/elzuose/Destroy(force)
 	if(ethereal_light)
 		QDEL_NULL(ethereal_light)
@@ -71,7 +84,7 @@
 	rooting = new
 	rooting.Grant(_carbon)
 	RegisterSignal(ethereal, COMSIG_DIGOUT, PROC_REF(digout))
-	RegisterSignal(ethereal, COMSIG_MOVABLE_MOVED, PROC_REF(uproot))
+	RegisterSignal(ethereal, COMSIG_MOVABLE_MOVED, PROC_REF(elzu_move_handling))
 
 	//The following code is literally only to make admin-spawned ethereals not be black.
 	_carbon.dna.features["mcolor"] = _carbon.dna.features["ethcolor"] //Ethcolor and Mut color are both dogshit and will be replaced
@@ -125,6 +138,7 @@
 			stomach.adjust_charge(ROOT_CHARGE_GAIN)
 			_human.adjustBruteLoss(-3)
 			_human.adjustFireLoss(-3)
+			_elzu.adjust_cara_hp(CARAPACE_REGEN_FASTCHARGE)//should be okay because this is limited by charge
 
 			if(stomach.crystal_charge > ELZUOSE_CHARGE_FULL)
 				stomach.crystal_charge = ELZUOSE_CHARGE_FULL
@@ -141,8 +155,14 @@
 		_human.remove_status_effect(/datum/status_effect/rooted)
 		return
 
-/datum/species/elzuose/proc/uproot(mob/living/carbon/human/_human)
-	//You got moved and uprooted, time to suffer the consequences.
+//Handles damage from a broken carapace and the effects of being uprooted
+/datum/species/elzuose/proc/elzu_move_handling(mob/living/carbon/human/_human)
+	//if your carapace is broken, occasionally suffer damage when moving..
+	if(shattered == TRUE && prob(5))
+		var/obj/item/bodypart/limb = pick(_human.bodyparts)
+		to_chat(_human, span_danger("You feel a broken shard of your carapace slice into your [limb]!"))
+		_human.apply_damage(5,BRUTE,limb.body_zone)//actually 10 dmg, because shatter
+	//If rooted, you got moved and uprooted, time to suffer the consequences.
 	if(_human.has_status_effect(/datum/status_effect/rooted))
 		_human.visible_message(span_warning("[_human] is forcefully uprooted. That looked like it hurt."),span_warning("You're forcefully unrooted! Ouch!"),span_warning("You hear someone scream in pain."))
 		_human.apply_damage(8,BRUTE,BODY_ZONE_CHEST)
@@ -236,32 +256,36 @@
 /datum/species/elzuose/spec_life(mob/living/carbon/human/_human)
 	.=..()
 	handle_charge(_human)
+	handle_carapace(_human)
 
 /datum/species/elzuose/proc/stop_emp(mob/living/carbon/human/_human)
 	EMPeffect = FALSE
 	spec_updatehealth(_human)
 	to_chat(_human, span_notice("You feel more energized as your shine comes back."))
 
 /datum/species/elzuose/proc/handle_charge(mob/living/carbon/human/_human)
-	brutemod = 1.25
 	switch(get_charge(_human))
 		if(ELZUOSE_CHARGE_NONE to ELZUOSE_CHARGE_LOWPOWER)
 			if(get_charge(_human) == ELZUOSE_CHARGE_NONE)
 				_human.throw_alert("ELZUOSE_CHARGE", /atom/movable/screen/alert/etherealcharge, 3)
+				carapace_regen_factor = null
 			else
 				_human.throw_alert("ELZUOSE_CHARGE", /atom/movable/screen/alert/etherealcharge, 2)
+				carapace_regen_factor = CARAPACE_REGEN_LOWCHARGE
 			if(_human.health > 10.5)
 				apply_damage(0.2, TOX, null, null, _human)
-			brutemod = 1.75
+
 		if(ELZUOSE_CHARGE_LOWPOWER to ELZUOSE_CHARGE_NORMAL)
 			_human.throw_alert("ELZUOSE_CHARGE", /atom/movable/screen/alert/etherealcharge, 1)
-			brutemod = 1.5
+			carapace_regen_factor = CARAPACE_REGEN_MEDCHARGE
+
 		if(ELZUOSE_CHARGE_FULL to ELZUOSE_CHARGE_OVERLOAD)
 			_human.throw_alert("ethereal_overcharge", /atom/movable/screen/alert/ethereal_overcharge, 1)
-			brutemod = 1.5
+			carapace_regen_factor = CARAPACE_REGEN_HIGHCHARGE
+
 		if(ELZUOSE_CHARGE_OVERLOAD to ELZUOSE_CHARGE_DANGEROUS)
 			_human.throw_alert("ethereal_overcharge", /atom/movable/screen/alert/ethereal_overcharge, 2)
-			brutemod = 1.75
+			carapace_regen_factor = CARAPACE_REGEN_FASTCHARGE
 			if(prob(10)) //10% each tick for ethereals to explosively release excess energy if it reaches dangerous levels
 				discharge_process(_human)
 		else
@@ -283,11 +307,15 @@
 			stomach.adjust_charge(ELZUOSE_CHARGE_FULL - stomach.crystal_charge)
 		to_chat(_human,span_warning("You violently discharge energy!"))
 		_human.visible_message(span_danger("[_human] violently discharges energy!"))
-		if(prob(10)) //chance of developing heart disease to dissuade overcharging oneself
-			var/datum/disease/D = new /datum/disease/heart_failure
-			_human.ForceContractDisease(D)
-			to_chat(_human, span_userdanger("You're pretty sure you just felt your heart stop for a second there."))
-			_human.playsound_local(_human, 'sound/effects/singlebeat.ogg', 100, 0)
+		if(prob(15)) //May damage the heart. If the heart is damaged enough, triggers heart failure.
+			var/obj/item/organ/heart/heart = _human.getorganslot(ORGAN_SLOT_HEART)
+			to_chat(_human, span_danger("Your chest aches."))
+			heart.damage += 5
+			if(heart.damage >= 50)
+				var/datum/disease/D = new /datum/disease/heart_failure
+				_human.ForceContractDisease(D)
+				to_chat(_human, span_userdanger("You're pretty sure you just felt your heart stop for a second there."))
+				_human.playsound_local(_human, 'sound/effects/singlebeat.ogg', 100, 0)
 		_human.Paralyze(100)
 		return
 
@@ -296,3 +324,88 @@
 	if(istype(stomach))
 		return stomach.crystal_charge
 	return ELZUOSE_CHARGE_NONE
+
+//CARAPACE CODE STUFF//
+
+//handles the life tick involved with carapace behavior
+/datum/species/elzuose/proc/handle_carapace(mob/living/carbon/human/_human)
+	//var/examine_string = _human.get_examine_string(_human, thats = TRUE)
+	//passive carapace regeneration
+	adjust_cara_hp(carapace_regen_factor)
+	switch(carapace_hp)
+		if(85.01 to 100)
+			carapace_state = CARAPACE_FINE
+			_human.throw_alert("ELZUOSE_CARAPACE", /atom/movable/screen/alert/elzucarapace, 1)
+			//examine_string += span_warning("test fine") //this doesn't work :(
+		if(40.01 to 85)
+			carapace_state = CARAPACE_DAMAGED
+			_human.throw_alert("ELZUOSE_CARAPACE", /atom/movable/screen/alert/elzucarapace, 2)
+			//examine_string += span_warning("test damaged")
+		if(7.01 to 40)
+			carapace_state = CARAPACE_BREAKING
+			_human.throw_alert("ELZUOSE_CARAPACE", /atom/movable/screen/alert/elzucarapace, 3)
+			if(shattered == TRUE)
+				toggle_carapace_break(_human)
+		if(1 to 7)
+			carapace_state = CARAPACE_BROKEN
+			_human.throw_alert("ELZUOSE_CARAPACE", /atom/movable/screen/alert/elzucarapace, 4)
+			if(shattered == FALSE)
+				toggle_carapace_break(_human)
+		else
+			_human.clear_alert("ELZUOSE_CARAPACE")
+
+/datum/species/elzuose/proc/adjust_cara_hp(amount)
+	carapace_hp = clamp(carapace_hp + amount, 1, 100)
+	return
+
+/datum/species/elzuose/apply_damage(damage, damagetype = BRUTE, def_zone = null, blocked, mob/living/carbon/human/H, forced = FALSE, spread_damage = FALSE, break_modifier = 1, sharpness = FALSE)
+	if((damagetype == BRUTE || damagetype == BURN) && damage)
+		var/newdam = damage_to_carapace(damage, damagetype)
+		damage = newdam
+
+	. = ..()
+
+//handles the absorption of damage by elzu carapace.
+//Basically, use brute force to smash an elzu- okay maybe don't say it like tha
+/datum/species/elzuose/proc/damage_to_carapace(damage, damagetype)
+	//reduce damage proportunate to current carapace hp. 75% reduction at full carapace.
+	//one of the math operations of all time
+	var/new_damage = max(damage * ((100 - carapace_hp * 0.75) / 100), 1)
+	//transfers a portion of damage taken to carapace.
+	switch(damagetype)
+		if(BRUTE)
+			adjust_cara_hp((damage * -0.3))//30%
+		if(BURN)
+			adjust_cara_hp((damage * -0.1))//10%
+	return new_damage
+
+/datum/species/elzuose/proc/toggle_carapace_break(mob/living/carbon/human/_human)
+	if(shattered == FALSE)
+		shattered = TRUE
+		_human.do_jitter_animation(4)
+		_human.visible_message(span_warning("[_human] jolts with a terrible cracking noise!"), span_userdanger("You feel a stabbing pain spread under your skin as your carapace shatters!"))
+		//when carapace fully breaks, damage taken greatly increased
+		brutemod = 2
+		burnmod = 1.50
+		playsound(_human.loc, 'sound/effects/woodbreak.ogg', 25, FALSE, 2)
+	else
+		shattered = FALSE
+		brutemod = 1.25
+		burnmod = 1
+
+//CHEM EFFECTS
+
+/datum/species/elzuose/handle_chemicals(datum/reagent/chem, mob/living/carbon/human/H)
+	//var/obj/item/organ/stomach/ethereal/stomach = H.getorganslot(ORGAN_SLOT_STOMACH)
+	//consuming minerals simulates repair of an elzu's carapace.
+	//we don't have actual silicate so silicon is filling in for a "mineral deposit" chemical, as it does in sand
+	if(chem.type == /datum/reagent/silicon || /datum/reagent/iron || /datum/reagent/consumable/sodiumchloride)
+		adjust_cara_hp(CARAPACE_REGEN_HIGHCHARGE)
+		H.reagents.remove_reagent(chem.type, chem.metabolization_rate * 3)//om nom nom (this technically 'nerfs' Iron I guess?)
+		return TRUE
+	//incredibly shitty mineral
+	if(chem.type == /datum/reagent/consumable/sodiumchloride)
+		adjust_cara_hp(CARAPACE_REGEN_LOWCHARGE)
+		H.reagents.remove_reagent(chem.type, chem.metabolization_rate * 3)
+		return TRUE
+	return ..()

code/modules/reagents/chemistry/reagents/other_reagents.dm

@@ -924,6 +924,7 @@
 				H.reagents.add_reagent(/datum/reagent/hydrogen, (hydrogen-base))
 				return TRUE
 	return
+
 /datum/reagent/fuel
 	name = "Welding fuel"
 	description = "Required for welders. Flammable."