Vore code to json and more (#5789)

* Vore 2.0

Initial commit

* double checked porting

* Fixes compile issues

* converts Ash Drake bellies to new system

digs out lingering datum/belly stuff too

* Let's just work on this later

* System operational

* Update preferences.dm

code/controllers/subsystem/vore.dm

@@ -0,0 +1,41 @@
+#define SSBELLIES_PROCESSED 1
+#define SSBELLIES_IGNORED 2
+
+//
+// Bellies subsystem - Process vore bellies
+//
+
+SUBSYSTEM_DEF(bellies)
+	name = "Bellies"
+	priority = 5
+	wait = 1 SECONDS
+	flags = SS_KEEP_TIMING|SS_NO_INIT
+	runlevels = RUNLEVEL_GAME|RUNLEVEL_POSTGAME
+
+	var/static/list/belly_list = list()
+	var/list/currentrun = list()
+	var/ignored_bellies = 0
+
+/datum/controller/subsystem/bellies/stat_entry()
+	..("#: [belly_list.len] | P: [ignored_bellies]")
+
+/datum/controller/subsystem/bellies/fire(resumed = 0)
+	if (!resumed)
+		ignored_bellies = 0
+		src.currentrun = belly_list.Copy()
+
+	//cache for sanic speed (lists are references anyways)
+	var/list/currentrun = src.currentrun
+	var/times_fired = src.times_fired
+	while(currentrun.len)
+		var/obj/belly/B = currentrun[currentrun.len]
+		currentrun.len--
+
+		if(QDELETED(B))
+			belly_list -= B
+		else
+			if(B.process_belly(times_fired,wait) == SSBELLIES_IGNORED)
+				ignored_bellies++
+
+		if (MC_TICK_CHECK)
+			return