Merge pull request #13905 from AffectedArc07/book-drm

Adds book DRM

code/game/objects/items/weapons/manuals.dm

@@ -5,6 +5,7 @@
 	icon = 'icons/obj/library.dmi'
 	due_date = 0 // Game time in 1/10th seconds
 	unique = 1   // 0 - Normal book, 1 - Should not be treated as normal book, unable to be copied, unable to be modified
+	has_drm = TRUE // No reuploading. Piracy is a crime
 
 
 /obj/item/book/manual/engineering_construction

code/modules/library/computers/checkout.dm

@@ -463,4 +463,5 @@
 		B.author = newbook.author
 		B.dat = newbook.content
 		B.icon_state = "book[rand(1,16)]"
+		B.has_drm = TRUE
 	visible_message("[src]'s printer hums as it produces a completely bound book. How did it do that?")

code/modules/library/lib_items.dm

@@ -151,6 +151,8 @@
 	var/carved = 0	 // Has the book been hollowed out for use as a secret storage item?
 	var/forbidden = 0     // Prevent ordering of this book. (0=no, 1=yes, 2=emag only)
 	var/obj/item/store	// What's in the book?
+	/// Book DRM. If this var is TRUE, it cannot be scanned and re-uploaded
+	var/has_drm = FALSE
 
 /obj/item/book/attack_self(var/mob/user as mob)
 	if(carved)

code/modules/library/lib_machines.dm

@@ -150,6 +150,11 @@ GLOBAL_LIST_INIT(library_section_names, list("Any", "Fiction", "Non-Fiction", "A
 		power_change()
 		return
 	if(istype(I, /obj/item/book))
+		// NT with those pesky DRM schemes
+		var/obj/item/book/B = I
+		if(B.has_drm)
+			atom_say("Copyrighted material detected. Scanner is unable to copy book to memory.")
+			return FALSE
 		user.drop_item()
 		I.forceMove(src)
 		return 1