Massive research refactor; changes research system to techwebs; Decentralized research

code/modules/research/techweb/_techweb_node.dm

@@ -0,0 +1,30 @@
+
+//Techweb nodes are GLOBAL, there should only be one instance of them in the game. Persistant changes should never be made to them in-game.
+
+/datum/techweb_node
+	var/id
+	var/display_name = "Errored Node"
+	var/description = "Why are you seeing this?"
+	var/hidden = FALSE			//Whether it starts off hidden.
+	var/starting_node = FALSE	//Whether it's available without any research.
+	var/list/prereq_ids = list()
+	var/list/design_ids = list()
+	var/list/datum/techweb_node/prerequisites = list()		//Assoc list id = datum
+	var/list/datum/techweb_node/unlocks = list()			//CALCULATED FROM OTHER NODE'S PREREQUISITES. Assoc list id = datum.
+	var/list/datum/design/designs = list()					//Assoc list id = datum
+	var/list/boost_item_paths = list()		//Associative list, path = point_value.
+	var/autounlock_by_boost = TRUE			//boosting this will autounlock this node.
+	var/export_price = 0					//Cargo export price.
+	var/research_cost = 0					//Point cost to research.
+	var/actual_cost = 0
+	var/category = "Misc"				//Category
+
+/datum/techweb_node/New()
+	actual_cost = research_cost
+
+/datum/techweb_node/proc/get_price(datum/techweb/host)
+	if(!host)
+		return actual_cost
+	var/discount = boost_item_paths[host.boosted_nodes[src]]
+	actual_cost = research_cost - discount
+	return actual_cost