Adds new human ability: "Explain Custom Traits"

* New verb of category "Abilities"
* New var for /datum/traits: tutorial
* Prints to_chat: Name, Desc, Category, Tutorial
* var/tutorial defined as a string by default
* Developers are to use <br> over \n when defining subtypes of tutorial
* bloodsucker obligate/freeform have a tutorial defined as example.

code/modules/mob/living/carbon/human/species/station/traits_vr/neutral.dm

@@ -85,6 +85,16 @@
 /datum/trait/neutral/bloodsucker
 	name = "Bloodsucker, Obligate"
 	desc = "Makes you unable to gain nutrition from anything but blood. To compenstate, you get fangs that can be used to drain blood from prey."
+	tutorial = "This trait forces you to only consume blood - you cannot have normal food anymore. Vore is, of course, an exception! <br> \
+		You can satisfy this by clicking bloodbags in your hand on harm intent, drinking from glasses, blood tomatoes \
+		or finding a (un)willing donor for your appropriate appendage! <br><br> \
+		Controls for taking blood from your victim can be changed at will by trying to drink from yourself.\
+		Intent-based control scheme: <br> \
+		HELP - Loud, No Bleeding <br> \
+		DISARM - Subtle, Causes bleeding <br> \
+		GRAB - Subtle, No Bleeding <br> \
+		HARM - Loud, Causes Bleeding"
+
 	cost = 0
 	custom_only = FALSE
 	var_changes = list("organic_food_coeff" = 0, "bloodsucker" = TRUE)
@@ -97,6 +107,15 @@
 /datum/trait/neutral/bloodsucker_freeform
 	name = "Bloodsucker"
 	desc = "You get fangs that can be used to drain blood from prey."
+	tutorial = "This trait allows you to consume blood on top of normal food! <br> \
+		You can do this by clicking bloodbags in your hand on harm intent, drinking from glasses, blood tomatoes \
+		or finding a (un)willing donor for your appropriate appendage! <br><br> \
+		Controls for taking blood from your victim can be changed at will by trying to drink from yourself.\
+		Intent-based control scheme: <br> \
+		HELP - Loud, No Bleeding <br> \
+		DISARM - Subtle, Causes bleeding <br> \
+		GRAB - Subtle, No Bleeding <br> \
+		HARM - Loud, Causes Bleeding"
 	cost = 0
 	custom_only = FALSE
 	var_changes = list("bloodsucker" = TRUE)

code/modules/mob/living/carbon/human/species/station/traits_vr/trait.dm

@@ -1,6 +1,7 @@
 /datum/trait
 	var/name
 	var/desc = "Contact a developer if you see this trait."
+	var/tutorial = "This trait has no detailed tutorial yet. Suggest one at #Dev-Suggestions on the discord!"
 
 	var/cost = 0
 	var/sort = TRAIT_SORT_NORMAL	// Sort order, 1 before 2 before 3 etc. Alphabetical is used for same-group traits.

code/modules/mob/living/carbon/human/species/station/traits_vr/traits_tutorial.dm

@@ -0,0 +1,58 @@
+/*
+A new Ability given to all human mobs
+
+This ability intends to retrieve all positive, neutral and negative traits chosen in the character set-up
+then retrieve their relevant vars by assuming the character's species has the full list. This should always work. Should
+
+The ability is intended to be developed both as a to_chat() and a tgui window.
+The user is given the ability to choose which they would like whenever they press the ability to better suit whatever scenario they find themselves
+thirsty for knowledge.
+*/
+
+
+
+
+
+/mob/living/carbon/human/verb/trait_tutorial()
+	set name = "Explain Custom Traits"
+	set desc = "Click this verb to obtain a detailed tutorial on your selected traits. "
+	set category = "Abilities"
+
+	var/list/list_of_traits = species.traits
+	if(!list_of_traits)
+		to_chat(usr, SPAN_NOTICE("You do not have any custom traits!"))
+
+
+	var/UI_choice = tgui_alert(src, "Would you like the tutorial text to be printed to chat?", "Choose preferred tutorial interface", list("To Chat", "Cancel"))
+	if(UI_choice == "Cancel")
+		return
+
+	//Initializing associative lists
+	var/trait_names = list() //List of keys
+	var/trait_category = list() // name:category
+	var/trait_desc = list() // name:desc
+	var/trait_tutorial = list() //name:tutorial
+	for(var/trait in list_of_traits)
+		var/datum/trait/T = all_traits[trait]
+		to_world_log("##DEBUG [T.name] is of category [T.category]")
+		trait_names += T.name
+		trait_desc[T.name] = T.desc
+		trait_tutorial[T.name] = T.tutorial
+		switch(T.category) //Using magic numbers rather than the #defines because it did not work with defines and idk why
+			if(-1) //TRAIT_TYPE_NEGATIVE
+				trait_category[T.name] = "Negative Trait"
+			if(0) //TRAIT_TYPE_NEUTRAL
+				trait_category[T.name] = "Neutral Trait"
+			if(1) //TRAIT_TYPE_POSITIVE
+				trait_category[T.name] = "Positive Trait"
+
+
+	if(UI_choice == "To Chat")
+		var/to_chat_choice = tgui_input_list(usr, "Please choose the trait to be explained", "Print to Chat", trait_names, null)
+		if(to_chat_choice)
+			to_chat(usr,SPAN_NOTICE("<b>Name:</b> [to_chat_choice] \n <b>Category:</b> [trait_category[to_chat_choice]] \n <b>Description:</b> [trait_desc[to_chat_choice]] \n \
+			<b>Guide:</b> \n [trait_tutorial[to_chat_choice]]"))
+
+
+//	else if(UI_choice == "TGUI")
+		to_chat(usr, SPAN_NOTICE("TGUI functionality is not yet implemented, sorry!"))