VS: Rewrites basically all of how bellies work

And cleans up a ton of stuff.

code/unit_tests/vore_tests_vr.dm

@@ -21,21 +21,25 @@
 	// Unfortuantely we need to wait for the pred's belly to initialize. (Currently after a spawn())
 	if(!pred.vore_organs || !pred.vore_organs.len)
 		return 0
+
 	// Now that pred belly exists, we can eat the prey.
-	if(prey.loc != pred)
-		if(!pred.vore_selected)
-			fail("[pred] has no vore_selected.")
-			return 1
-		var/datum/belly/TB = pred.vore_organs[pred.vore_selected]
-		TB.nom_mob(prey)
-		if(prey.loc != pred)
-			fail("[TB].nom_mob([prey]) did not put prey inside [pred]")
+	if(!pred.vore_selected)
+		fail("[pred] has no vore_selected.")
+		return 1
+	
+	// Attempt to eat the prey
+	if(prey.loc != pred.vore_selected)
+		pred.vore_selected.nom_mob(prey)
+		
+		if(prey.loc != pred.vore_selected)
+			fail("[pred.vore_selected].nom_mob([prey]) did not put prey inside [pred]")
 			return 1
+	
 		// Okay, we succeeded in eating them, now lets wait a bit
 		startLifeTick = pred.life_tick
 		startOxyloss = prey.getOxyLoss()
 		return 0
-
+	
 	if(pred.life_tick < (startLifeTick + 10))
 		return 0 // Wait for them to breathe a few times
 
@@ -49,3 +53,123 @@
 	qdel(prey)
 	qdel(pred)
 	return 1
+////////////////////////////////////////////////////////////////
+/datum/unit_test/belly_spacesafe
+	name = "MOB: human mob protected from space in a belly"
+	var/startLifeTick
+	var/startOxyloss
+	var/endOxyloss
+	var/mob/living/carbon/human/pred
+	var/mob/living/carbon/human/prey
+	async = 1
+
+/datum/unit_test/belly_spacesafe/start_test()
+	pred = create_test_mob()
+	if(!istype(pred))
+		return 0
+	prey = create_test_mob(pred.loc)
+	if(!istype(prey))
+		return 0
+
+	return 1
+
+/datum/unit_test/belly_spacesafe/check_result()
+	// Unfortuantely we need to wait for the pred's belly to initialize. (Currently after a spawn())
+	if(!pred.vore_organs || !pred.vore_organs.len)
+		return 0
+
+	// Now that pred belly exists, we can eat the prey.
+	if(!pred.vore_selected)
+		fail("[pred] has no vore_selected.")
+		return 1
+	
+	// Attempt to eat the prey
+	if(prey.loc != pred.vore_selected)
+		pred.vore_selected.nom_mob(prey)
+		
+		if(prey.loc != pred.vore_selected)
+			fail("[pred.vore_selected].nom_mob([prey]) did not put prey inside [pred]")
+			return 1
+		else
+			var/turf/T = locate(/turf/space)
+			if(!T)
+				fail("could not find a space turf for testing")
+				return 1
+			else
+				pred.forceMove(T)
+
+		// Okay, we succeeded in eating them, now lets wait a bit
+		startLifeTick = pred.life_tick
+		startOxyloss = prey.getOxyLoss()
+		return 0
+	
+	if(pred.life_tick < (startLifeTick + 10))
+		return 0 // Wait for them to breathe a few times
+
+	// Alright lets check it!
+	endOxyloss = prey.getOxyLoss()
+	if(startOxyloss < endOxyloss)
+		fail("Prey takes oxygen damage in space! (Before: [startOxyloss]; after: [endOxyloss])")
+	else
+		pass("Prey is not taking oxygen damage in space. (Before: [startOxyloss]; after: [endOxyloss])")
+
+	qdel(prey)
+	qdel(pred)
+	return 1
+////////////////////////////////////////////////////////////////
+/datum/unit_test/belly_damage
+	name = "MOB: human mob takes damage from digestion"
+	var/startLifeTick
+	var/startBruteBurn
+	var/endBruteBurn
+	var/mob/living/carbon/human/pred
+	var/mob/living/carbon/human/prey
+	async = 1
+
+/datum/unit_test/belly_damage/start_test()
+	pred = create_test_mob()
+	if(!istype(pred))
+		return 0
+	prey = create_test_mob(pred.loc)
+	if(!istype(prey))
+		return 0
+
+	return 1
+
+/datum/unit_test/belly_damage/check_result()
+	// Unfortuantely we need to wait for the pred's belly to initialize. (Currently after a spawn())
+	if(!pred.vore_organs || !pred.vore_organs.len)
+		return 0
+
+	// Now that pred belly exists, we can eat the prey.
+	if(!pred.vore_selected)
+		fail("[pred] has no vore_selected.")
+		return 1
+	
+	// Attempt to eat the prey
+	if(prey.loc != pred.vore_selected)
+		pred.vore_selected.nom_mob(prey)
+		
+		if(prey.loc != pred.vore_selected)
+			fail("[pred.vore_selected].nom_mob([prey]) did not put prey inside [pred]")
+			return 1
+	
+		// Okay, we succeeded in eating them, now lets wait a bit
+		pred.vore_selected.digest_mode = DM_DIGEST
+		startLifeTick = pred.life_tick
+		startBruteBurn = prey.getBruteLoss() + prey.getFireLoss()
+		return 0
+	
+	if(pred.life_tick < (startLifeTick + 10))
+		return 0 // Wait a few ticks for damage to happen
+
+	// Alright lets check it!
+	endBruteBurn = prey.getBruteLoss() + prey.getFireLoss()
+	if(startBruteBurn >= endBruteBurn)
+		fail("Prey doesn't take damage in digesting belly! (Before: [startBruteBurn]; after: [endBruteBurn])")
+	else
+		pass("Prey is taking damage in pred's belly. (Before: [startBruteBurn]; after: [endBruteBurn])")
+
+	qdel(prey)
+	qdel(pred)
+	return 1