/datum/tech/materials
	name = "Materials Research"
	desc = "Development of new and improved materials."
	id = "materials"

/datum/tech/engineering
	name = "Engineering Research"
	desc = "Development of new and improved engineering parts and tools."
	id = "engineering"

/datum/tech/plasmatech
	name = "Plasma Research"
	desc = "Research into the mysterious substance colloquially known as \"plasma\"."
	id = "plasmatech"
	rare = 3

/datum/tech/powerstorage
	name = "Power Manipulation Technology"
	desc = "The various technologies behind the storage and generation of electricity."
	id = "powerstorage"

/datum/tech/bluespace
	name = "\"Blue-space\" Research"
	desc = "Research into the sub-reality known as \"blue-space\"."
	id = "bluespace"
	rare = 2

/datum/tech/biotech
	name = "Biological Technology"
	desc = "Research into the deeper mysteries of life and organic substances."
	id = "biotech"

/datum/tech/combat
	name = "Combat Systems Research"
	desc = "The development of offensive and defensive systems."
	id = "combat"

/datum/tech/magnets
	name = "Electromagnetic Spectrum Research"
	desc = "Research into the electromagnetic spectrum. No clue how they actually work, though."
	id = "magnets"

/datum/tech/programming
	name = "Data Theory Research"
	desc = "The development of new computer and artificial intelligence and data storage systems."
	id = "programming"

/datum/tech/syndicate
	name = "Illegal Technologies Research"
	desc = "The study of technologies that violate Nanotrasen regulations."
	id = "syndicate"
	rare = 4


//Secret Technologies (hidden by default, require rare items to reveal)

/datum/tech/abductor
	name = "Alien Technologies Research"
	desc = "The study of technologies used by the advanced alien race known as Abductors."
	id = "abductor"
	rare = 5
	level = 0

/datum/tech/arcane
	name = "Arcane Research"
	desc = "When sufficiently analyzed, any magic becomes indistinguishable from technology."
	id = "arcane"
	rare = 5
	level = 0

/*
//Branch Techs
/datum/tech/explosives
	name = "Explosives Research"
	desc = "The creation and application of explosive materials."
	id = "explosives"
	req_tech = list("materials" = 3)
/datum/tech/generators
	name = "Power Generation Technology"
	desc = "Research into more powerful and more reliable sources."
	id = "generators"
	req_tech = list("powerstorage" = 2)
/datum/tech/robotics
	name = "Robotics Technology"
	desc = "The development of advanced automated, autonomous machines."
	id = "robotics"
	req_tech = list("materials" = 3, "programming" = 3)
*/


/datum/tech/proc/getCost(var/current_level = null)
	// Calculates tech disk's supply points sell cost
	if(!current_level)
		current_level = initial(level)

	if(current_level >= level)
		return 0

	var/cost = 0
	for(var/i=current_level+1, i<=level, i++)
		if(i == initial(level))
			continue
		cost += i*rare

	return cost

/datum/tech/proc/copy()
	var/datum/tech/T = new type()
	T.level = level
	return T

/obj/item/disk/tech_disk
	name = "technology disk"
	desc = "A disk for storing technology data for further research."
	icon_state = "datadisk0"
	materials = list(MAT_METAL=300, MAT_GLASS=100)
	var/list/tech_stored = list()
	var/max_tech_stored = 1

/obj/item/disk/tech_disk/Initialize()
	. = ..()
	pixel_x = rand(-5, 5)
	pixel_y = rand(-5, 5)
	for(var/i in 1 to max_tech_stored)
		tech_stored += null


/obj/item/disk/tech_disk/adv
	name = "advanced technology disk"
	desc = "A disk for storing technology data for further research. This one has extra storage space."
	materials = list(MAT_METAL=300, MAT_GLASS=100, MAT_SILVER=50)
	max_tech_stored = 5

/obj/item/disk/tech_disk/super_adv
	name = "quantum technology disk"
	desc = "A disk for storing technology data for further research. This one has extremely large storage space."
	materials = list(MAT_METAL=300, MAT_GLASS=100, MAT_SILVER=100, MAT_GOLD=100)
	max_tech_stored = 10

/obj/item/disk/tech_disk/debug
	name = "\improper CentCom technology disk"
	desc = "A debug item for research."
	materials = list()
	max_tech_stored = 0

/obj/item/disk/tech_disk/debug/Initialize()
	. = ..()
	var/list/techs = subtypesof(/datum/tech)
	max_tech_stored = techs.len
	for(var/V in techs)
		var/datum/tech/T = new V()
		tech_stored += T
		T.level = 8