Spellbooks

code/__DEFINES/flags.dm

@@ -146,3 +146,11 @@ GLOBAL_LIST_INIT(bitflags, list(1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 204
 //alternate appearance flags
 #define AA_TARGET_SEE_APPEARANCE (1<<0)
 #define AA_MATCH_TARGET_OVERLAYS (1<<1)
+
+// spell rarities
+#define SPELL_COMMON (1 << 0)
+#define SPELL_UNCOMMON (1 << 1)
+#define SPELL_RARE (1 << 2)
+#define SPELL_EPIC (1 << 3)
+#define SPELL_LEGENDARY (1 << 4)
+#define SPELL_ALL (SPELL_COMMON | SPELL_UNCOMMON | SPELL_RARE | SPELL_EPIC | SPELL_LEGENDARY)

code/__DEFINES/misc.dm

@@ -235,6 +235,7 @@ GLOBAL_LIST_INIT(ghost_accs_options, list(GHOST_ACCS_NONE, GHOST_ACCS_DIR, GHOST
 #define GHOST_MAX_VIEW_RANGE_DEFAULT 10
 #define GHOST_MAX_VIEW_RANGE_MEMBER 14
 
+GLOBAL_LIST_INIT(learnables, list())
 
 GLOBAL_LIST_INIT(ghost_others_options, list(GHOST_OTHERS_SIMPLE, GHOST_OTHERS_DEFAULT_SPRITE, GHOST_OTHERS_THEIR_SETTING)) //Same as ghost_accs_options.
 

code/__HELPERS/global_lists.dm

@@ -74,6 +74,8 @@
 	for(var/god in subtypesof(/datum/patrongods))
 		var/datum/patrongods/A = new god()
 		GLOB.patronlist[A.name] = A
+
+	GLOB.learnables = Get_Learnable_Spells()
 
 //creates every subtype of prototype (excluding prototype) and adds it to list L.
 //if no list/L is provided, one is created.

code/__HELPERS/unsorted.dm

@@ -41,6 +41,14 @@
 	else if(dx<0)
 		.+=360
 
+/proc/Get_Learnable_Spells()
+	var/ret = list()
+	for(var/S in GLOB.spells)
+		var/obj/effect/proc_holder/spell/spell = S
+		if(spell.learnable)
+			ret += spell
+	return ret
+
 /proc/Get_Pixel_Angle(y, x)//for getting the angle when animating something's pixel_x and pixel_y
 	if(!y)
 		return (x>=0)?90:270

code/datums/mutations/antenna.dm

@@ -53,6 +53,8 @@
 	name = "Mindread"
 	desc = ""
 	charge_max = 50
+	learnable = TRUE
+	rarity = 0
 	range = 7
 	clothes_req = FALSE
 	action_icon_state = "mindread"

code/game/objects/items/granters.dm

@@ -438,6 +438,47 @@
     drop_sound = 'sound/foley/dropsound/paper_drop.ogg'
     pickup_sound =  'sound/blank.ogg'
 
+/obj/item/book/granter/spell/generic
+	name = "Spellbook"
+	desc = "A book of potential known only to those that can decipher its secrets."
+	icon = 'icons/obj/library.dmi'
+	icon_state = "book1"
+	oneuse = TRUE
+	drop_sound = 'sound/foley/dropsound/paper_drop.ogg'
+	pickup_sound =  'sound/blank.ogg'
+	var/obj/effect/proc_holder/spell/target = null
+
+/obj/item/book/granter/spell/generic/Initialize(loc, rarity = SPELL_ALL)
+	. = ..()
+	target = pick(GLOB.learnables)
+	var/obj/effect/proc_holder/spell/S = new target
+	spellname = S.name
+	name = "Book of [spellname]"
+
+/obj/item/book/granter/spell/generic/already_known(mob/user)
+	if(!target)
+		return TRUE
+	for(var/obj/effect/proc_holder/spell/knownspell in user.mind.spell_list)
+		if(knownspell.type == target)
+			to_chat(user,"<span class='warning'>You already know this one!</span>")
+			return TRUE
+	return FALSE
+
+/obj/item/book/granter/spell/generic/on_reading_start(mob/user)
+	to_chat(user, "<span class='notice'>I start reading about [spellname]...</span>")
+
+/obj/item/book/granter/spell/generic/on_reading_finished(mob/user)
+	. = ..()
+	if(oneuse)
+		name = "Siphoned Book of [target.name]"
+		desc = "A book once inscribed with magical scripture. The surface is now barren of knowledge, siphoned by someone else. It's utterly useless."
+		user.visible_message("<span class='warning'>[src] has had its magic ink ripped from the book!</span>")
+	to_chat(user, "<span class='notice'>Your knowledge expands, you understand how to cast [spellname]!</span>")
+	var/S = new target
+	user.mind.AddSpell(S)
+	user.log_message("learned the spell [target.name] ([target])", LOG_ATTACK, color="orange")
+	onlearned(user)
+
 /obj/item/book/granter/spell/blackstone/onlearned(mob/living/carbon/user)
 	..()
 	if(oneuse == TRUE)

code/game/objects/items/rogueitems/books.dm

@@ -432,6 +432,52 @@
 	var/qdel_source = FALSE
 
 /obj/item/manuscript/attackby(obj/item/I, mob/living/user)
+	if(resistance_flags & ON_FIRE)
+		return ..()
+
+	if(is_blind(user))
+		return ..()
+
+	if(istype(I, /obj/item/natural/feather/magic))
+		var/qualifying = 0
+		var/exp_gain = 0
+		var/obj/item/natural/feather/magic/F = I
+
+		if(prob(5)) // They rolled a nat20
+			qualifying = SPELL_EPIC | SPELL_LEGENDARY
+			exp_gain = 100
+			to_chat(user, "You feel your feather moving with a life of its own, as you struggle to comprehend what you write.")
+		else
+			var/skill_score = 0
+			var/spell_score = 0
+			if(/datum/skill/magic/arcane in user.mind.known_skills)
+				skill_score = user.mind.known_skills[/datum/skill/magic/arcane] * 0.1
+			spell_score = number_of_pages * 10 + skill_score
+			if(spell_score >= 10) // No, this doesn't make sense right now. I'm going to sleep on it
+				qualifying |= SPELL_COMMON // and figure out how to balance this thing.
+			if(spell_score >= 50)
+				qualifying |= SPELL_UNCOMMON
+			if(spell_score >= 95)
+				qualifying |= SPELL_RARE
+			if(spell_score >= 105)
+				qualifying |= SPELL_EPIC
+			if(spell_score >= 115)
+				qualifying |= SPELL_LEGENDARY
+
+			if(qualifying)
+				var/obj/item/book/granter/spell/generic/SB = new /obj/item/book/granter/spell/generic(get_turf(I.loc), qualifying)
+				if(user.Adjacent(SB))
+					SB.add_fingerprint(user)
+					user.put_in_hands(SB)
+				if(exp_gain)
+					user.mind.adjust_experience(/datum/skill/magic/arcane, exp_gain)
+				to_chat(user, "As you finish writing, the feather glows and envelops the manuscript, becoming a new spellbook.")
+			// else something here about the feather not being able to write a spellbook
+			if(F.uses >= F.max_uses)
+				to_chat(user, "The feather's magic glows dimly, and then it turns into dust.")
+				new /obj/item/ash(get_turf(user.loc))
+				qdel(F)
+		return
 	// why is a book crafting kit using the craft system, but crafting a book isn't? Well the crafting system for *some reason* is made in such a way as to make reworking it to allow you to put reqs vars in the crafted item near *impossible.*
 	if(istype(I, /obj/item/book_crafting_kit))
 		var/obj/item/book/rogue/playerbook/PB = new /obj/item/book/rogue/playerbook(get_turf(I.loc), TRUE, user, compiled_pages)

code/game/objects/items/rogueitems/natural/feather.dm

@@ -15,4 +15,12 @@
 	max_integrity = 20
 	muteinmouth = TRUE
 	spitoutmouth = FALSE
-	w_class = WEIGHT_CLASS_TINY
+	w_class = WEIGHT_CLASS_TINY
+
+/obj/item/natural/feather/magic
+	name = "magic feather"
+	color = "#ffee00"
+	desc = "A fluffy feather that seems to shimmer with a faint magical aura."
+	var/uses = 0
+	var/max_uses = 3 // TODO: Balance this
+

code/modules/roguetown/roguecrafting/items.dm

@@ -238,3 +238,11 @@
 			/obj/item/natural/cloth = 1)
 	tools = list(/obj/item/needle = 1)
 	req_table = TRUE
+
+/datum/crafting_recipe/roguetown/magic_feather
+	name = "magic feather"
+	result = /obj/item/natural/feather/magic
+	reqs = list(
+		/obj/item/reagent_containers/powder = 1,
+		/obj/item/natural/feather = 1
+	)

code/modules/spells/roguetown/necromancer.dm

@@ -4,6 +4,8 @@
 	releasedrain = 30
 	chargetime = 5
 	range = 7
+	learnable = TRUE
+	rarity = 0
 	warnie = "sydwarning"
 	movement_interrupt = FALSE
 	chargedloop = null
@@ -37,6 +39,8 @@
 	overlay_state = "raiseskele"
 	releasedrain = 30
 	chargetime = 15
+	learnable = TRUE
+	rarity = 0
 	range = 7
 	warnie = "sydwarning"
 	movement_interrupt = FALSE
@@ -63,6 +67,8 @@
 	desc = ""
 	clothes_req = FALSE
 	range = 7
+	learnable = TRUE
+	rarity = 0
 	overlay_state = "raiseskele"
 	sound = list('sound/magic/magnet.ogg')
 	releasedrain = 40
@@ -86,6 +92,8 @@
 	name = "Ray of Sickness"
 	desc = ""
 	clothes_req = FALSE
+	learnable = TRUE
+	rarity = 0
 	range = 15
 	projectile_type = /obj/projectile/magic/sickness
 	overlay_state = "raiseskele"

code/modules/spells/roguetown/wizard.dm

@@ -3,6 +3,8 @@
 	name = "Bolt of Lightning"
 	desc = ""
 	clothes_req = FALSE
+	learnable = TRUE
+	rarity = 0
 	overlay_state = "lightning"
 	sound = 'sound/magic/lightning.ogg'
 	range = 8
@@ -154,6 +156,8 @@
 /obj/effect/proc_holder/spell/invoked/projectile/fireball
 	name = "Fireball"
 	desc = ""
+	learnable = TRUE
+	rarity = 80
 	clothes_req = FALSE
 	range = 8
 	projectile_type = /obj/projectile/magic/aoe/fireball/rogue
@@ -205,6 +209,8 @@
 	desc = ""
 	clothes_req = FALSE
 	range = 8
+	learnable = TRUE
+	rarity = 10
 	projectile_type = /obj/projectile/magic/aoe/fireball/rogue/great
 	overlay_state = "fireball"
 	sound = list('sound/magic/fireball.ogg')
@@ -230,6 +236,8 @@
 	name = "Fetch"
 	desc = ""
 	clothes_req = FALSE
+	learnable = TRUE
+	rarity = 0
 	range = 15
 	projectile_type = /obj/projectile/magic/fetch
 	overlay_state = ""

code/modules/spells/spell.dm

@@ -1,7 +1,6 @@
 #define TARGET_CLOSEST 1
 #define TARGET_RANDOM 2
 
-
 /obj/effect/proc_holder
 	var/panel = "Debug"//What panel the proc holder needs to go on.
 	var/active = FALSE //Used by toggle based abilities.
@@ -129,6 +128,8 @@ GLOBAL_LIST_INIT(spells, typesof(/obj/effect/proc_holder/spell)) //needed for th
 	opacity = 0
 
 	var/school = "evocation" //not relevant at now, but may be important later if there are changes to how spells work. the ones I used for now will probably be changed... maybe spell presets? lacking flexibility but with some other benefit?
+	var/learnable = FALSE // The spell is acquirable outside of admin intervention or through spawning. Default to "No" because many shouldn't be learned.
+	var/rarity = 0 // Percentage chance to scribe.
 
 	var/charge_type = "recharge" //can be recharge or charges, see charge_max and charge_counter descriptions; can also be based on the holder's vars now, use "holder_var" for that
 

tools/mapmerge2/requirements.txt

@@ -1,3 +1,3 @@
-#pygit2==0.27.2
+pygit2==0.27.2
 bidict==0.13.1
 Pillow==6.2.0