Research rework - Xenobiology edition

code/__DEFINES/chemistry.dm

@@ -79,12 +79,20 @@
 #define CHEM_CLASS_UNCOMMON 3
 /// Chemicals that are either can't be made or require rare or expandable components.
 #define CHEM_CLASS_RARE 4
+
+// xenomorph-related chems, obtained from xenobotany
+/// Common chemicals obtained from all xeno types
+#define CHEM_CLASS_XENO_BASIC 5
+/// Uncommon chemicals obtained from strong-variant specific castes
+#define CHEM_CLASS_XENO_SPECIALIZED 6
+/// Rare chemicals obtained from royal-type castes
+#define CHEM_CLASS_XENO_ROYAL 7
+
 /// Chemicals that can't be made
-#define CHEM_CLASS_SPECIAL 5
+#define CHEM_CLASS_SPECIAL 8
 /// Randomly generated chemicals
-#define CHEM_CLASS_ULTRA 6
-/// Rare chemicals ONLY acquired via hydroponics, Those are mostly useless but very important for hard difficulty on contracts.
-#define CHEM_CLASS_HYDRO 7
+#define CHEM_CLASS_ULTRA 9
+
 
 //chem_effect_flags, used to quickly check if the mob has a chem that provides a special effect
 #define CHEM_EFFECT_RESIST_FRACTURE (1<<0)
@@ -107,16 +115,29 @@
 /// potential replacement for CHEM_REACTION_CALM. makes the reaction go slower. no longer will stuff mix instantly.
 #define CHEM_REACTION_ENDOTHERMIC (1<<5)
 
-//Blood plasma
+//BLOOD PLASMA
+
+// Basic
 #define PLASMA_PURPLE "purpleplasma"
-#define PLASMA_PHEROMONE "pheromoneplasma"
 #define PLASMA_CHITIN "chitinplasma"
 #define PLASMA_CATECHOLAMINE "catecholamineplasma"
-#define PLASMA_NUTRIENT "nutrientplasma"
-#define PLASMA_EGG "eggplasma"
 #define PLASMA_NEUROTOXIN "neurotoxinplasma"
+
+// Specialized
+#define PLASMA_NUTRIENT "nutrientplasma"
+#define PLASMA_REINFORCED_CHITIN "reinforcedchitinplasma"
+#define PLASMA_ADRENALINE "adrenalplasma"
+#define PLASMA_ACIDIC "acidicplasma"
+
+// Royal
 #define PLASMA_ROYAL "royalplasma"
 
+// Special
+#define PLASMA_EGG "eggplasma"
+#define PLASMA_PHEROMONE "pheromoneplasma"
+
+
+
 // Flags for Reagent
 
 /// Used to restrict recipes in the generator from employing all reagents of this type
@@ -223,6 +244,11 @@
 #define PROPERTY_HYPERGENETIC "hypergenetic"
 #define PROPERTY_OPTIMIZED "optimizing"
 #define PROPERTY_REGULATING "regulating"
+//Beyond legendary, only unlockable by processing a xenomorph queen organ
+//Essentially requires a corrupted xenomorph queen because the only way to produce the chemicals needed is by grinding a queen heart.
+#define PROPERTY_WEED_RESISTANT "weed-resistant"
+#define PROPERTY_SCREECH_RESISTANT "vibration-stabilizing"
+#define PROPERTY_RENEGADING "renegading"
 //Admin Only Properties
 #define PROPERTY_ORGAN_HEALING "organ-healing"
 #define PROPERTY_CROSSMETABOLIZING "cross-metabolizing"
@@ -253,7 +279,8 @@
 
 ///Legendary properties, no PROPERTY_TYPE_ANOMALOUS, only normal ones.
 #define PROPERTY_LEGENDARY_LIST list(PROPERTY_HYPERGENETIC, PROPERTY_BOOSTING, PROPERTY_REGULATING, PROPERTY_OPTIMIZED)
-
+///Xenomorphic properties
+#define PROPERTY_XENOMORPHIC_LIST list(PROPERTY_WEED_RESISTANT, PROPERTY_SCREECH_RESISTANT, PROPERTY_RENEGADING)
 
 //Property rarity
 
@@ -267,8 +294,10 @@
 #define PROPERTY_RARE 3
 /// can strictly only be made through random generated property combinations, hints are found groundside.
 #define PROPERTY_LEGENDARY 4
+/// can be made by processing a queen organ, extremely difficult to produce
+#define PROPERTY_XENOMORPHIC 5
 /// can only be spawned through admin powers
-#define PROPERTY_ADMIN 5
+#define PROPERTY_ADMIN 6
 
 //Property category
 #define PROPERTY_TYPE_ALL 0

code/__DEFINES/dcs/signals/atom/mob/living/signals_xeno.dm

@@ -99,3 +99,5 @@
 
 /// From /mob/living/carbon/xenomorph/larva/proc/chest_burst
 #define COMSIG_XENO_BURSTED "xeno_burst"
+
+#define COMSIG_XENO_ORGAN_REMOVED "xeno_organ_removed"

code/__DEFINES/mobs.dm

@@ -288,6 +288,9 @@
 #define BLOOD_VOLUME_BAD 224
 #define BLOOD_VOLUME_SURVIVE 122
 
+//Blood level for a dead xenomorph
+#define BLOOD_VOLUME_DEAD_XENO 60
+
 
 //diseases
 #define SPECIAL -1

code/__DEFINES/traits.dm

@@ -257,6 +257,10 @@
 #define TRAIT_SPEC(spec_type) "t_spec_[spec_type]"
 /// If the mob won't drop items held in face slot when downed
 #define TRAIT_IRON_TEETH "t_iron_teeth"
+/// Mob is resistant to xenomorph weeds
+#define TRAIT_WEED_RESISTANT "weed_resistant"
+/// Mob is resistant to queen screeches
+#define TRAIT_SCREECH_RESISTANT "screech_resistant"
 
 // -- ability traits --
 /// Xenos with this trait cannot have plasma transferred to them
@@ -552,3 +556,5 @@ GLOBAL_LIST(trait_name_map)
 #define TURF_Z_TRANSPARENT_TRAIT "turf_z_transparent"
 /// traits from wall hiding
 #define WALL_HIDING_TRAIT "wallhiding"
+/// traits from reagents
+#define REAGENT_TRAIT "reagent"

code/__DEFINES/xeno.dm

@@ -806,3 +806,38 @@
 #define FACEHUGGER_JUMP_RANGE 1 // dont really want them to hug you immediately as you break down a corner or a door when a carrier stacks them on a tile
 #define EGG_JUMP_RANGE 2 // This is for egg huggers, they are supposed to be scary and leap at people yes.
 #define CARRIER_HUGGER_THROW_RANGE 6
+
+// xeno organ flags
+
+// these organs are automatically assigned
+
+/// Organ is capable of generating plasma
+#define XENO_ORGAN_PLASMA (1<<0)
+/// Organ was taken from a living xenomorph
+#define XENO_ORGAN_FRESH (1<<1)
+
+// these need to be manually added
+
+/// Organ is capable of generating acid (sentinel evo tree)
+#define XENO_ORGAN_ACID (1<<2)
+/// Organ belongs to a support-type caste (drone evo tree)
+#define XENO_ORGAN_SUPPORT (1<<3)
+/// Organ belongs to a brute caste (defender evo tree)
+#define XENO_ORGAN_HARDENED (1<<4)
+/// Organ belongs to a fast caste (runner evo tree)
+#define XENO_ORGAN_TACHYCARDIA (1<<4)
+
+/// Organ belongs to a fragile caste (boiler)
+/// Obtaining it is very difficult and essentially
+/// requires a corrupted hive that evolves a boiler
+#define XENO_ORGAN_FRAGILE (1<<5)
+
+/// Organ taken from a low-tier caste
+#define XENO_ORGAN_WEAK (1<<6)
+/// Organ taken from a high-tier caste
+#define XENO_ORGAN_STRONG (1<<7)
+/// Organ taken from a royal-tier caste
+#define XENO_ORGAN_ROYAL (1<<8)
+
+/// Determines how fast xeno botany chems produce.
+#define XENO_BOTANY_RATE 10 SECONDS

code/_globalvars/global_lists.dm

@@ -148,7 +148,7 @@ GLOBAL_LIST_INIT_TYPED(combining_properties, /list, list( PROPERTY_DEFIBRILLATIN
 											PROPERTY_BONEMENDING = list(PROPERTY_CRYSTALLIZATION, PROPERTY_NUTRITIOUS)))
 
 //List of all id's from classed /datum/reagent datums indexed by class or tier. Used by chemistry generator and chem spawners.
-GLOBAL_LIST_INIT_TYPED(chemical_gen_classes_list, /list, list("C" = list(),"C1" = list(),"C2" = list(),"C3" = list(),"C4" = list(),"C5" = list(),"C6" = list(),"T1" = list(),"T2" = list(),"T3" = list(),"T4" = list(), "H1" = list(), "tau", list()))
+GLOBAL_LIST_INIT_TYPED(chemical_gen_classes_list, /list, list("C" = list(),"C1" = list(),"C2" = list(),"C3" = list(),"C4" = list(),"C5" = list(),"C6" = list(),"T1" = list(),"T2" = list(),"T3" = list(),"T4" = list(), "X1" = list(), "X2" = list(), "X3" = list(), "tau", list()))
 //properties generated in chemicals, helps to make sure the same property doesn't show up 10 times
 GLOBAL_LIST_INIT_TYPED(generated_properties, /list, list("positive" = list(), "negative" = list(), "neutral" = list()))
 

code/_onclick/item_attack.dm

@@ -27,16 +27,6 @@
 			return ATTACKBY_HINT_UPDATE_NEXT_MOVE
 
 /mob/living/attackby(obj/item/I, mob/user)
-	/* Commented surgery code, proof of concept. Would need to tweak human attackby to prevent duplication; mob/living don't have separate limb objects.
-	if((user.mob_flags & SURGERY_MODE_ON) && user.a_intent & (INTENT_HELP|INTENT_DISARM))
-		safety = TRUE
-		var/datum/surgery/current_surgery = active_surgeries[user.zone_selected]
-		if(current_surgery)
-			if(current_surgery.attempt_next_step(user, I))
-				return TRUE
-		else if(initiate_surgery_moment(I, src, null, user))
-			return TRUE
-	*/
 	if(HAS_TRAIT(user, TRAIT_HAULED))
 		return
 	if(istype(I) && ismob(user))

code/controllers/subsystem/processing/xeno_botany.dm

@@ -0,0 +1,4 @@
+PROCESSING_SUBSYSTEM_DEF(xeno_botany)
+	name = "Xenomorph Botany"
+	flags = SS_NO_INIT
+	wait = XENO_BOTANY_RATE

code/datums/research_upgrade_datum.dm

@@ -7,6 +7,8 @@
 	var/behavior = RESEARCH_UPGRADE_EXCLUDE_BUY // should this be on the list?
 	/// the price of the upgrade, refer to this: 500 is a runner, 8k is queen. T3 is usually 3k, woyer is 2k.
 	var/value_upgrade = 1000
+	/// how much royal biomatter is needed to purchase this
+	var/royal_value_upgrade = 0
 	///In which tab the upgrade should be.
 	var/upgrade_type
 	///Path to the item, upgrade, if any.
@@ -95,8 +97,8 @@
 	clearance_req = 1
 
 /datum/research_upgrades/machinery/autoharvest
-	name = "Auto-Harvest Botany Upgrade"
-	desc = "Research upgrade for hydroponics system, technology on this disk automatically shakes the plant once it is ready to be harvested."
+	name = "Chemical Extractor"
+	desc = "A chemical extractor that can be used to extract chemicals from a specified vessel. Sends them to the tagged chemical network. These ones are configured for research."
 	behavior = RESEARCH_UPGRADE_ITEM
 	value_upgrade = 250
 	item_reference = /obj/item/research_upgrades/autoharvest
@@ -107,6 +109,34 @@
 	name = "Items"
 	behavior = RESEARCH_UPGRADE_CATEGORY
 
+/datum/research_upgrades/item/biological_decoding
+	name = "Xenobiological Decoding"
+	desc = "Decode the foreign and unknown xenobiological biomatter to acquire an exotic"
+	clearance_req = 6
+	value_upgrade = 5000
+	change_purchase = 5000
+	royal_value_upgrade = 1
+	behavior = RESEARCH_UPGRADE_ITEM
+	upgrade_type = ITEM_ACCESSORY_UPGRADE
+
+/datum/research_upgrades/item/biological_decoding/on_purchase(turf/machine_loc)
+	var/datum/reagent/generated/endgame_chem = new /datum/reagent/generated
+	endgame_chem.id = "tau-[length(GLOB.chemical_gen_classes_list["tau"])]"
+	endgame_chem.generate_name()
+	endgame_chem.gen_tier = 4
+	endgame_chem.add_property(pick(PROPERTY_XENOMORPHIC_LIST), 0)
+	endgame_chem.generate_stats()
+	endgame_chem.credit_reward = 10
+	endgame_chem.reagent_recipe_hint = pick(GLOB.chemical_gen_classes_list["X3"])
+
+	GLOB.chemical_gen_classes_list["tau"] += endgame_chem.id
+	GLOB.chemical_reagents_list[endgame_chem.id] = endgame_chem
+	var/datum/chemical_reaction/generated/generated = endgame_chem.generate_assoc_recipe(null, list(endgame_chem.reagent_recipe_hint))
+	generated.locked_reagents = list(endgame_chem.reagent_recipe_hint)
+
+	new /obj/item/paper/research_notes(machine_loc, GLOB.chemical_reagents_list[endgame_chem.id], "synthesis", TRUE)
+
+
 /datum/research_upgrades/item/research_credits
 	name = "Research Contract Reroll"
 	desc = "Sell the data acquired to the nearest Weyland-Yutani Science division team to request new contract chemicals."
@@ -229,3 +259,4 @@
 	change_purchase = -100
 	minimum_price = 100
 	item_reference = /obj/item/clothing/accessory/health/research_plate/anti_decay
+

code/modules/cm_aliens/structures/research/producer.dm

@@ -0,0 +1,134 @@
+/obj/effect/alien/resin/chem_producer
+	name = "resin gland"
+	icon = 'icons/mob/xenos/fruits.dmi'
+	desc = "A weird-looking pulsating node that produces chemicals"
+	density = FALSE
+	opacity = FALSE
+	anchored = TRUE
+	health = 50
+	layer = RESIN_STRUCTURE_LAYER
+	plane = FLOOR_PLANE
+
+	// Production stats
+	/// Which chem does this produce?
+	var/producing_chems = list()
+	/// How much is produced every XENO_BOTANY_RATE?
+	var/production_amt = 5
+
+/obj/effect/alien/resin/chem_producer/Initialize(mapload, mob/builder)
+	. = ..()
+	create_reagents(100)
+	START_PROCESSING(SSxeno_botany, src)
+
+/obj/effect/alien/resin/chem_producer/process(delta_time)
+	var/turf/current_turf = get_turf(src)
+	if(!current_turf.weeds)
+		return
+
+	var/max_per_reagent = reagents.maximum_volume / length(producing_chems)
+	for(var/chem in producing_chems)
+		var/reagent_amt = reagents.get_reagent_amount(chem)
+		// Conservative, so that reagents don't end up overflowing and having weird floating point values
+		// because they all didn't fit into the volume
+		if(reagent_amt + production_amt > max_per_reagent)
+			continue
+		reagents.add_reagent(chem, production_amt, safety = TRUE)
+
+
+/obj/effect/alin/resin/chem_producer/Destroy(force)
+	STOP_PROCESSING(SSxeno_botany, src)
+	return ..()
+
+/obj/effect/alien/resin/chem_producer/basic
+	name = "basic gland"
+	desc = "A weird-looking pulsating node that produces all basic xenobiology reagents, at slower speeds."
+	icon = 'icons/mob/xenos/effects.dmi'
+	icon_state = "static_costnode"
+
+	producing_chems = list(PLASMA_PURPLE, PLASMA_CATECHOLAMINE, PLASMA_CHITIN)
+	production_amt = 1
+
+/obj/effect/alien/resin/chem_producer/advanced
+	name = "advanced gland"
+	desc = "A weird-looking pulsating node that produces all advanced xenobiology reagents, at slower speeds."
+	icon = 'icons/mob/xenos/effects.dmi'
+	icon_state = "static_constructnode"
+
+	producing_chems = list(PLASMA_REINFORCED_CHITIN, PLASMA_ADRENALINE, PLASMA_ACIDIC)
+	production_amt = 1
+
+/obj/effect/alien/resin/chem_producer/plasma
+	name = "plasma gland"
+	desc = "A weird-looking pulsating node that produces purple plasma"
+	icon_state = "fruit_plasma_immature"
+
+	producing_chems = list(PLASMA_PURPLE)
+	production_amt = 10
+
+/obj/effect/alien/resin/chem_producer/nutrient
+	name = "nutrient gland"
+	desc = "A weird-looking pulsating node that produces nutrient plasma"
+	icon_state = "fruit_plasma"
+
+	producing_chems = list(PLASMA_NUTRIENT)
+	production_amt = 10
+
+/obj/effect/alien/resin/chem_producer/chitin
+	name = "chitin gland"
+	desc = "A weird-looking pulsating node that produces chitin"
+	icon_state = "fruit_spore_immature"
+
+	producing_chems = list(PLASMA_CHITIN)
+	production_amt = 10
+
+/obj/effect/alien/resin/chem_producer/reinforced_chitin
+	name = "reinforced chitin gland"
+	desc = "A weird-looking pulsating node that produces reinforced chitin plasma"
+	icon_state = "fruit_spore"
+
+	producing_chems = list(PLASMA_REINFORCED_CHITIN)
+	production_amt = 10
+
+/obj/effect/alien/resin/chem_producer/neurotoxin
+	name = "neurotoxin gland"
+	desc = "A weird-looking pulsating node that produces neurotoxin plasma"
+	icon_state = "fruit_greater_immature"
+
+	producing_chems = list(PLASMA_NEUROTOXIN)
+	production_amt = 10
+
+/obj/effect/alien/resin/chem_producer/acid
+	name = "acid gland"
+	desc = "A weird-looking pulsating node that produces acidic plasma"
+	icon_state = "fruit_greater"
+
+	producing_chems = list(PLASMA_ACIDIC)
+	production_amt = 10
+
+/obj/effect/alien/resin/chem_producer/catecholamine
+	name = "catecholamine gland"
+	desc = "A weird-looking pulsating node that produces catecholamine plasma"
+	icon_state = "fruit_speed_immature"
+
+	producing_chems = list(PLASMA_CATECHOLAMINE)
+	production_amt = 10
+
+/obj/effect/alien/resin/chem_producer/adrenal
+	name = "adrenal gland"
+	desc = "A weird-looking pulsating node that produces adrenal plasma"
+	icon_state = "fruit_speed"
+
+	producing_chems = list(PLASMA_ADRENALINE)
+	production_amt = 10
+
+/obj/effect/alien/resin/chem_producer/royal
+	name = "royal gland"
+	desc = "A weird-looking pulsating node that produces royal plasma"
+	icon = 'icons/mob/xenos/structures64x64.dmi'
+	icon_state = "collector_gather"
+	plane = GAME_PLANE
+	pixel_x = -16
+	pixel_y = -16
+
+	producing_chems = list(PLASMA_ROYAL)
+	production_amt = 5