diff --git a/code/__HELPERS/maths.dm b/code/__HELPERS/maths.dm
index 41d2f721f5..8374b305ad 100644
--- a/code/__HELPERS/maths.dm
+++ b/code/__HELPERS/maths.dm
@@ -155,7 +155,6 @@ GLOBAL_LIST_INIT(sqrtTable, list(1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4,
 		var/size_factor = ((-cos(inputToDegrees) +1) /2) //returns a value from 0 to 1
 
 		return size_factor + scaling_modifier //scale mod of 0 results in a number from 0 to 1. A scale modifier of +0.5 returns 0.5 to 1.5
-		//to_chat(world, "Transform multiplier of [src] is [size_factor + scaling_modifer]")
 
 //converts a uniform distributed random number into a normal distributed one
 //since this method produces two random numbers, one is saved for subsequent calls
diff --git a/code/controllers/configuration.dm b/code/controllers/configuration.dm
index 6a9cf9b963..1de153ce15 100644
--- a/code/controllers/configuration.dm
+++ b/code/controllers/configuration.dm
@@ -962,7 +962,6 @@ GLOBAL_PROTECT(config_dir)
 	var/list/datum/game_mode/runnable_modes = new
 	for(var/T in gamemode_cache)
 		var/datum/game_mode/M = new T()
-		//to_chat(world, "DEBUG: [T], tag=[M.config_tag], prob=[probabilities[M.config_tag]]")
 		if(!(M.config_tag in modes))
 			qdel(M)
 			continue
diff --git a/code/controllers/subsystem/shuttle.dm b/code/controllers/subsystem/shuttle.dm
index de6445831d..4770689778 100644
--- a/code/controllers/subsystem/shuttle.dm
+++ b/code/controllers/subsystem/shuttle.dm
@@ -430,17 +430,14 @@ SUBSYSTEM_DEF(shuttle)
 					continue base
 				if(!(T.flags_1 & UNUSED_TRANSIT_TURF_1))
 					continue base
-			//to_chat(world, "[COORD(topleft)] and [COORD(bottomright)]")
 			break base
 
 	if((!proposed_zone) || (!proposed_zone.len))
 		return FALSE
 
 	var/turf/topleft = proposed_zone[1]
-	//to_chat(world, "[COORD(topleft)] is TOPLEFT")
 	// Then create a transit docking port in the middle
 	var/coords = M.return_coords(0, 0, dock_dir)
-	//to_chat(world, json_encode(coords))
 	/*  0------2
         |      |
         |      |
@@ -478,11 +475,9 @@ SUBSYSTEM_DEF(shuttle)
 		if(WEST)
 			transit_path = /turf/open/space/transit/west
 
-	//to_chat(world, "Docking port at [transit_x], [transit_y], [topleft.z]")
 	var/turf/midpoint = locate(transit_x, transit_y, topleft.z)
 	if(!midpoint)
 		return FALSE
-	//to_chat(world, "Making transit dock at [COORD(midpoint)]")
 	var/area/shuttle/transit/A = new()
 	A.parallax_movedir = travel_dir
 	A.contents = proposed_zone
diff --git a/code/datums/browser.dm b/code/datums/browser.dm
index c854d20f18..cae6e04e9b 100644
--- a/code/datums/browser.dm
+++ b/code/datums/browser.dm
@@ -256,7 +256,6 @@
 
 	winset(user, windowid, "on-close=\".windowclose [param]\"")
 
-	//to_chat(world, "OnClose [user]: [windowid] : ["on-close=\".windowclose [param]\""]")
 
 
 // the on-close client verb
@@ -268,12 +267,10 @@
 	set hidden = 1						// hide this verb from the user's panel
 	set name = ".windowclose"			// no autocomplete on cmd line
 
-	//to_chat(world, "windowclose: [atomref]")
 	if(atomref!="null")				// if passed a real atomref
 		var/hsrc = locate(atomref)	// find the reffed atom
 		var/href = "close=1"
 		if(hsrc)
-			//to_chat(world, "[src] Topic [href] [hsrc]")
 			usr = src.mob
 			src.Topic(href, params2list(href), hsrc)	// this will direct to the atom's
 			return										// Topic() proc via client.Topic()
@@ -281,6 +278,5 @@
 	// no atomref specified (or not found)
 	// so just reset the user mob's machine var
 	if(src && src.mob)
-		//to_chat(world, "[src] was [src.mob.machine], setting to null")
 		src.mob.unset_machine()
 	return
diff --git a/code/datums/diseases/advance/advance.dm b/code/datums/diseases/advance/advance.dm
index 9be242a391..26f42fa059 100644
--- a/code/datums/diseases/advance/advance.dm
+++ b/code/datums/diseases/advance/advance.dm
@@ -245,7 +245,6 @@
 /datum/disease/advance/proc/GenerateCure()
 	if(properties && properties.len)
 		var/res = Clamp(properties["resistance"] - (symptoms.len / 2), 1, advance_cures.len)
-		//to_chat(world, "Res = [res]")
 		cures = list(advance_cures[res])
 
 		// Get the cure name from the cure_id
@@ -333,9 +332,6 @@
 
 // Mix a list of advance diseases and return the mixed result.
 /proc/Advance_Mix(var/list/D_list)
-
-	//to_chat(world, "Mixing!!!!")
-
 	var/list/diseases = list()
 
 	for(var/datum/disease/advance/A in D_list)
@@ -359,7 +355,6 @@
 		D2.Mix(D1)
 
 	 // Should be only 1 entry left, but if not let's only return a single entry
-	//to_chat(world, "END MIXING!!!!!")
 	var/datum/disease/advance/to_return = pick(diseases)
 	to_return.Refresh(1)
 	return to_return
diff --git a/code/datums/mind.dm b/code/datums/mind.dm
index e824cc9914..8b7674083a 100644
--- a/code/datums/mind.dm
+++ b/code/datums/mind.dm
@@ -1278,7 +1278,6 @@
 						src = null
 						M = H.monkeyize()
 						src = M.mind
-						//to_chat(world, "DEBUG: \"healthy\": M=[M], M.mind=[M.mind], src=[src]!")
 					else if (istype(M) && length(M.viruses))
 						for(var/thing in M.viruses)
 							var/datum/disease/D = thing
diff --git a/code/datums/progressbar.dm b/code/datums/progressbar.dm
index e3e8d0e366..f9883cfe50 100644
--- a/code/datums/progressbar.dm
+++ b/code/datums/progressbar.dm
@@ -29,7 +29,6 @@
 	bar.pixel_y = 32 + (PROGRESSBAR_HEIGHT * (listindex - 1))
 
 /datum/progressbar/proc/update(progress)
-	//to_chat(world, "Update [progress] - [goal] - [(progress / goal)] - [((progress / goal) * 100)] - [round(((progress / goal) * 100), 5)]")
 	if (!user || !user.client)
 		shown = 0
 		return
diff --git a/code/game/atoms.dm b/code/game/atoms.dm
index a28f4d0dc7..6698cab092 100644
--- a/code/game/atoms.dm
+++ b/code/game/atoms.dm
@@ -454,7 +454,6 @@ GLOBAL_LIST_EMPTY(blood_splatter_icons)
 		cur_y = y_arr.Find(src.z)
 		if(cur_y)
 			break
-//	to_chat(world, "X = [cur_x]; Y = [cur_y]")
 	if(cur_x && cur_y)
 		return list("x"=cur_x,"y"=cur_y)
 	else
diff --git a/code/game/machinery/overview.dm b/code/game/machinery/overview.dm
index 545414577e..f800309131 100644
--- a/code/game/machinery/overview.dm
+++ b/code/game/machinery/overview.dm
@@ -31,8 +31,6 @@
 		imap += icon('icons/misc/imap.dmi', "blank")
 		imap += icon('icons/misc/imap.dmi', "blank")
 
-	//to_chat(world, "[icount] images in list")
-
 
 	for(var/wx = 1 ; wx <= world.maxx; wx++)
 
@@ -142,13 +140,10 @@
 			var/rx = ((wx*2+xoff)%32) + 1
 			var/ry = ((wy*2+yoff)%32) + 1
 
-			//to_chat(world, "trying [ix],[iy] : [ix+icx*iy]")
 			var/icon/I = imap[1+(ix + icx*iy)*2]
 			var/icon/I2 = imap[2+(ix + icx*iy)*2]
 
 
-			//to_chat(world, "icon: [icon2html(I, world)]")
-
 			I.DrawBox(colour, rx, ry, rx+1, ry+1)
 
 			I2.DrawBox(colour2, rx, ry, rx+1, ry+1)
@@ -164,8 +159,6 @@
 
 		H.screen_loc = "[5 + i%icx],[6+ round(i/icx)]"
 
-		//to_chat(world, "[icon2html(I, world)] at [H.screen_loc]")
-
 		H.name = (i==0)?"maprefresh":"map"
 
 		var/icon/HI = new/icon
@@ -272,12 +265,8 @@
 			var/rx = ((wx*2+xoff)%32) + 1
 			var/ry = ((wy*2+yoff)%32) + 1
 
-			//to_chat(world, "trying [ix],[iy] : [ix+icx*iy]")
 			var/icon/I = imap[1+(ix + icx*iy)]
 
-
-			//to_chat(world, "icon: [icon2html(I, world)]")
-
 			I.DrawBox(colour, rx, ry, rx, ry)
 
 
@@ -291,8 +280,6 @@
 
 		H.screen_loc = "[5 + i%icx],[6+ round(i/icx)]"
 
-		//to_chat(world, "[icon2html(I, world)] at [H.screen_loc]")
-
 		H.name = (i==0)?"maprefresh":"map"
 
 		var/icon/I = imap[i+1]
diff --git a/code/game/objects/items/tanks/tanks.dm b/code/game/objects/items/tanks/tanks.dm
index c2a1666aef..dd2ea47dc4 100644
--- a/code/game/objects/items/tanks/tanks.dm
+++ b/code/game/objects/items/tanks/tanks.dm
@@ -236,7 +236,6 @@
 		if(!istype(src.loc, /obj/item/device/transfer_valve))
 			message_admins("Explosive tank rupture! Last key to touch the tank was [src.fingerprintslast].")
 			log_game("Explosive tank rupture! Last key to touch the tank was [src.fingerprintslast].")
-		//to_chat(world, "\blue[x],[y] tank is exploding: [pressure] kPa")
 		//Give the gas a chance to build up more pressure through reacting
 		air_contents.react()
 		air_contents.react()
@@ -245,7 +244,6 @@
 		var/range = (pressure-TANK_FRAGMENT_PRESSURE)/TANK_FRAGMENT_SCALE
 		var/turf/epicenter = get_turf(loc)
 
-		//to_chat(world, "\blue Exploding Pressure: [pressure] kPa, intensity: [range]")
 
 		explosion(epicenter, round(range*0.25), round(range*0.5), round(range), round(range*1.5))
 		if(istype(src.loc, /obj/item/device/transfer_valve))
@@ -254,7 +252,6 @@
 			qdel(src)
 
 	else if(pressure > TANK_RUPTURE_PRESSURE)
-		//to_chat(world, "\blue[x],[y] tank is rupturing: [pressure] kPa, integrity [integrity]")
 		if(integrity <= 0)
 			var/turf/T = get_turf(src)
 			if(!T)
@@ -266,7 +263,6 @@
 			integrity--
 
 	else if(pressure > TANK_LEAK_PRESSURE)
-		//to_chat(world, "\blue[x],[y] tank is leaking: [pressure] kPa, integrity [integrity]")
 		if(integrity <= 0)
 			var/turf/T = get_turf(src)
 			if(!T)
diff --git a/code/game/objects/structures/musician.dm b/code/game/objects/structures/musician.dm
index ed0deef7d9..d253cbcf44 100644
--- a/code/game/objects/structures/musician.dm
+++ b/code/game/objects/structures/musician.dm
@@ -97,19 +97,15 @@
 			cur_acc[i] = "n"
 
 		for(var/line in lines)
-			//to_chat(world, line)
 			for(var/beat in splittext(lowertext(line), ","))
-				//to_chat(world, "beat: [beat]")
 				var/list/notes = splittext(beat, "/")
 				for(var/note in splittext(notes[1], "-"))
-					//to_chat(world, "note: [note]")
 					if(!playing || shouldStopPlaying(user))//If the instrument is playing, or special case
 						playing = FALSE
 						hearing_mobs = null
 						return
 					if(!lentext(note))
 						continue
-					//to_chat(world, "Parse: [copytext(note,1,2)]")
 					var/cur_note = text2ascii(note) - 96
 					if(cur_note < 1 || cur_note > 7)
 						continue
diff --git a/code/modules/admin/admin.dm b/code/modules/admin/admin.dm
index c2b5c1cd8d..48af29616e 100644
--- a/code/modules/admin/admin.dm
+++ b/code/modules/admin/admin.dm
@@ -380,8 +380,6 @@
 		else
 			dat+="I'm sorry to break your immersion. This shit's bugged. Report this bug to Agouri, polyxenitopalidou@gmail.com"
 
-	//to_chat(world, "Channelname: [src.admincaster_feed_channel.channel_name] [src.admincaster_feed_channel.author]")
-	//to_chat(world, "Msg: [src.admincaster_feed_message.author] [src.admincaster_feed_message.body]")
 	usr << browse(dat, "window=admincaster_main;size=400x600")
 	onclose(usr, "admincaster_main")
 
diff --git a/code/modules/admin/verbs/SDQL2/SDQL_2.dm b/code/modules/admin/verbs/SDQL2/SDQL_2.dm
index eaa98934d5..4cbac86270 100644
--- a/code/modules/admin/verbs/SDQL2/SDQL_2.dm
+++ b/code/modules/admin/verbs/SDQL2/SDQL_2.dm
@@ -37,7 +37,6 @@
 	if(!query_text || length(query_text) < 1)
 		return
 
-	//to_chat(world, query_text)
 
 	var/list/query_list = SDQL2_tokenize(query_text)
 
diff --git a/code/modules/atmospherics/gasmixtures/reactions.dm b/code/modules/atmospherics/gasmixtures/reactions.dm
index 1060c2daf2..a37e4d61c4 100644
--- a/code/modules/atmospherics/gasmixtures/reactions.dm
+++ b/code/modules/atmospherics/gasmixtures/reactions.dm
@@ -108,8 +108,6 @@
 	var/list/cached_gases = air.gases //this speeds things up because accessing datum vars is slow
 	var/temperature = air.temperature
 	var/list/cached_results = air.reaction_results
-
-	//to_chat(world, "pre [temperature], [cached_gases["o2"][MOLES]], [cached_gases["plasma"][MOLES]]")
 	cached_results[id] = 0
 
 	//General volatile gas burn
@@ -165,8 +163,6 @@
 		if(new_heat_capacity > MINIMUM_HEAT_CAPACITY)
 			air.temperature = (temperature*old_heat_capacity + energy_released)/new_heat_capacity
 
-	//to_chat(world, "post [temperature], [cached_gases["o2"][MOLES]], [cached_gases["plasma"][MOLES]]")
-
 	//let the floor know a fire is happening
 	if(istype(location))
 		temperature = air.temperature
@@ -201,7 +197,6 @@
 		//Fusion wont occur if the level of impurities is too high.
 		return NO_REACTION
 
-	//to_chat(world, "pre [temperature, [cached_gases["plasma"][MOLES]], [cached_gases["co2"][MOLES]])
 	var/old_heat_capacity = air.heat_capacity()
 	var/carbon_efficency = min(cached_gases["plasma"][MOLES]/cached_gases["co2"][MOLES],MAX_CARBON_EFFICENCY)
 	var/reaction_energy = air.thermal_energy()
@@ -226,7 +221,6 @@
 		if(new_heat_capacity > MINIMUM_HEAT_CAPACITY)
 			air.temperature = max(((temperature*old_heat_capacity + reaction_energy)/new_heat_capacity),TCMB)
 			//Prevents whatever mechanism is causing it to hit negative temperatures.
-		//to_chat(world, "post [temperature], [cached_gases["plasma"][MOLES]], [cached_gases["co2"][MOLES]])
 		return REACTING
 
 #undef REACTING
diff --git a/code/modules/atmospherics/machinery/airalarm.dm b/code/modules/atmospherics/machinery/airalarm.dm
index 1a03c69d49..9807fed513 100644
--- a/code/modules/atmospherics/machinery/airalarm.dm
+++ b/code/modules/atmospherics/machinery/airalarm.dm
@@ -415,7 +415,6 @@
 	signal.data["sigtype"] = "command"
 
 	radio_connection.post_signal(src, signal, GLOB.RADIO_FROM_AIRALARM)
-//			to_chat(world, text("Signal [] Broadcasted to []", command, target))
 
 	return 1
 
diff --git a/code/modules/atmospherics/machinery/components/binary_devices/circulator.dm b/code/modules/atmospherics/machinery/components/binary_devices/circulator.dm
index f76eb3bb65..011c73caa5 100644
--- a/code/modules/atmospherics/machinery/components/binary_devices/circulator.dm
+++ b/code/modules/atmospherics/machinery/components/binary_devices/circulator.dm
@@ -14,6 +14,7 @@
 
 	anchored = TRUE
 	density = TRUE
+<<<<<<< HEAD
 
 	var/global/const/CIRC_LEFT = 1
 	var/global/const/CIRC_RIGHT = 2
@@ -68,3 +69,55 @@
 		icon_state = "circ[side]-off"
 
 	return 1
+=======
+
+	var/global/const/CIRC_LEFT = 1
+	var/global/const/CIRC_RIGHT = 2
+
+
+/obj/machinery/atmospherics/components/binary/circulator/proc/return_transfer_air()
+
+	var/datum/gas_mixture/air1 = AIR1
+	var/datum/gas_mixture/air2 = AIR2
+
+	var/output_starting_pressure = air1.return_pressure()
+	var/input_starting_pressure = air2.return_pressure()
+
+	if(output_starting_pressure >= input_starting_pressure-10)
+		//Need at least 10 KPa difference to overcome friction in the mechanism
+		last_pressure_delta = 0
+		return null
+
+	//Calculate necessary moles to transfer using PV = nRT
+	if(air2.temperature>0)
+		var/pressure_delta = (input_starting_pressure - output_starting_pressure)/2
+
+		var/transfer_moles = pressure_delta*air1.volume/(air2.temperature * R_IDEAL_GAS_EQUATION)
+
+		last_pressure_delta = pressure_delta
+
+		//Actually transfer the gas
+		var/datum/gas_mixture/removed = air2.remove(transfer_moles)
+
+		update_parents()
+
+		return removed
+
+	else
+		last_pressure_delta = 0
+
+/obj/machinery/atmospherics/components/binary/circulator/process_atmos()
+	..()
+	update_icon()
+
+/obj/machinery/atmospherics/components/binary/circulator/update_icon()
+	if(!is_operational())
+		icon_state = "circ[side]-p"
+	else if(last_pressure_delta > 0)
+		if(last_pressure_delta > ONE_ATMOSPHERE)
+			icon_state = "circ[side]-run"
+		else
+			icon_state = "circ[side]-slow"
+	else
+		icon_state = "circ[side]-off"
+>>>>>>> 3791f0b... Merge pull request #30896 from ShizCalev/debug-text
diff --git a/code/modules/holiday/holidays.dm b/code/modules/holiday/holidays.dm
index b8fe3e777a..c8e9235646 100644
--- a/code/modules/holiday/holidays.dm
+++ b/code/modules/holiday/holidays.dm
@@ -485,7 +485,6 @@ Since Ramadan is an entire month that lasts 29.5 days on average, the start and
 				begin_day += 31
 				begin_month-- //begins in march, ends in april
 
-//	to_chat(world, "Easter calculates to be on [begin_day] of [begin_month] ([days_early] early) to [end_day] of [end_month] ([days_extra] extra) for 20[yy]")
 	return ..()
 
 /datum/holiday/easter/celebrate()
diff --git a/code/modules/mob/living/silicon/ai/freelook/cameranet.dm b/code/modules/mob/living/silicon/ai/freelook/cameranet.dm
index ca0a2e8c1c..42108f08a7 100644
--- a/code/modules/mob/living/silicon/ai/freelook/cameranet.dm
+++ b/code/modules/mob/living/silicon/ai/freelook/cameranet.dm
@@ -1,3 +1,4 @@
+<<<<<<< HEAD
 // CAMERA NET
 //
 // The datum containing all the chunks.
@@ -161,4 +162,166 @@ GLOBAL_DATUM_INIT(cameranet, /datum/cameranet, new)
 	if(cameranet.chunkGenerated(x, y, z))
 		var/datum/camerachunk/chunk = cameranet.getCameraChunk(x, y, z)
 		usr.client.debug_variables(chunk)
+=======
+// CAMERA NET
+//
+// The datum containing all the chunks.
+
+#define CHUNK_SIZE 16 // Only chunk sizes that are to the power of 2. E.g: 2, 4, 8, 16, etc..
+
+GLOBAL_DATUM_INIT(cameranet, /datum/cameranet, new)
+
+/datum/cameranet
+	var/name = "Camera Net" // Name to show for VV and stat()
+
+	// The cameras on the map, no matter if they work or not. Updated in obj/machinery/camera.dm by New() and Del().
+	var/list/cameras = list()
+	// The chunks of the map, mapping the areas that the cameras can see.
+	var/list/chunks = list()
+	var/ready = 0
+
+	// The object used for the clickable stat() button.
+	var/obj/effect/statclick/statclick
+
+// Checks if a chunk has been Generated in x, y, z.
+/datum/cameranet/proc/chunkGenerated(x, y, z)
+	x &= ~(CHUNK_SIZE - 1)
+	y &= ~(CHUNK_SIZE - 1)
+	var/key = "[x],[y],[z]"
+	return (chunks[key])
+
+// Returns the chunk in the x, y, z.
+// If there is no chunk, it creates a new chunk and returns that.
+/datum/cameranet/proc/getCameraChunk(x, y, z)
+	x &= ~(CHUNK_SIZE - 1)
+	y &= ~(CHUNK_SIZE - 1)
+	var/key = "[x],[y],[z]"
+	if(!chunks[key])
+		chunks[key] = new /datum/camerachunk(null, x, y, z)
+
+	return chunks[key]
+
+// Updates what the aiEye can see. It is recommended you use this when the aiEye moves or it's location is set.
+
+/datum/cameranet/proc/visibility(mob/camera/aiEye/ai)
+	// 0xf = 15
+	var/x1 = max(0, ai.x - 16) & ~(CHUNK_SIZE - 1)
+	var/y1 = max(0, ai.y - 16) & ~(CHUNK_SIZE - 1)
+	var/x2 = min(world.maxx, ai.x + 16) & ~(CHUNK_SIZE - 1)
+	var/y2 = min(world.maxy, ai.y + 16) & ~(CHUNK_SIZE - 1)
+
+	var/list/visibleChunks = list()
+
+	for(var/x = x1; x <= x2; x += CHUNK_SIZE)
+		for(var/y = y1; y <= y2; y += CHUNK_SIZE)
+			visibleChunks |= getCameraChunk(x, y, ai.z)
+
+	var/list/remove = ai.visibleCameraChunks - visibleChunks
+	var/list/add = visibleChunks - ai.visibleCameraChunks
+
+	for(var/chunk in remove)
+		var/datum/camerachunk/c = chunk
+		c.remove(ai)
+
+	for(var/chunk in add)
+		var/datum/camerachunk/c = chunk
+		c.add(ai)
+
+// Updates the chunks that the turf is located in. Use this when obstacles are destroyed or	when doors open.
+
+/datum/cameranet/proc/updateVisibility(atom/A, opacity_check = 1)
+
+	if(!SSticker || (opacity_check && !A.opacity))
+		return
+	majorChunkChange(A, 2)
+
+/datum/cameranet/proc/updateChunk(x, y, z)
+	// 0xf = 15
+	if(!chunkGenerated(x, y, z))
+		return
+	var/datum/camerachunk/chunk = getCameraChunk(x, y, z)
+	chunk.hasChanged()
+
+// Removes a camera from a chunk.
+
+/datum/cameranet/proc/removeCamera(obj/machinery/camera/c)
+	if(c.can_use())
+		majorChunkChange(c, 0)
+
+// Add a camera to a chunk.
+
+/datum/cameranet/proc/addCamera(obj/machinery/camera/c)
+	if(c.can_use())
+		majorChunkChange(c, 1)
+
+// Used for Cyborg cameras. Since portable cameras can be in ANY chunk.
+
+/datum/cameranet/proc/updatePortableCamera(obj/machinery/camera/c)
+	if(c.can_use())
+		majorChunkChange(c, 1)
+	//else
+	//	majorChunkChange(c, 0)
+
+// Never access this proc directly!!!!
+// This will update the chunk and all the surrounding chunks.
+// It will also add the atom to the cameras list if you set the choice to 1.
+// Setting the choice to 0 will remove the camera from the chunks.
+// If you want to update the chunks around an object, without adding/removing a camera, use choice 2.
+
+/datum/cameranet/proc/majorChunkChange(atom/c, choice)
+	// 0xf = 15
+	if(!c)
+		return
+
+	var/turf/T = get_turf(c)
+	if(T)
+		var/x1 = max(0, T.x - (CHUNK_SIZE / 2)) & ~(CHUNK_SIZE - 1)
+		var/y1 = max(0, T.y - (CHUNK_SIZE / 2)) & ~(CHUNK_SIZE - 1)
+		var/x2 = min(world.maxx, T.x + (CHUNK_SIZE / 2)) & ~(CHUNK_SIZE - 1)
+		var/y2 = min(world.maxy, T.y + (CHUNK_SIZE / 2)) & ~(CHUNK_SIZE - 1)
+		for(var/x = x1; x <= x2; x += CHUNK_SIZE)
+			for(var/y = y1; y <= y2; y += CHUNK_SIZE)
+				if(chunkGenerated(x, y, T.z))
+					var/datum/camerachunk/chunk = getCameraChunk(x, y, T.z)
+					if(choice == 0)
+						// Remove the camera.
+						chunk.cameras -= c
+					else if(choice == 1)
+						// You can't have the same camera in the list twice.
+						chunk.cameras |= c
+					chunk.hasChanged()
+
+// Will check if a mob is on a viewable turf. Returns 1 if it is, otherwise returns 0.
+
+/datum/cameranet/proc/checkCameraVis(mob/living/target)
+
+	// 0xf = 15
+	var/turf/position = get_turf(target)
+	return checkTurfVis(position)
+
+
+/datum/cameranet/proc/checkTurfVis(turf/position)
+	var/datum/camerachunk/chunk = getCameraChunk(position.x, position.y, position.z)
+	if(chunk)
+		if(chunk.changed)
+			chunk.hasChanged(1) // Update now, no matter if it's visible or not.
+		if(chunk.visibleTurfs[position])
+			return 1
+	return 0
+
+/datum/cameranet/proc/stat_entry()
+	if(!statclick)
+		statclick = new/obj/effect/statclick/debug(null, "Initializing...", src)
+
+	stat(name, statclick.update("Cameras: [GLOB.cameranet.cameras.len] | Chunks: [GLOB.cameranet.chunks.len]"))
+
+// Debug verb for VVing the chunk that the turf is in.
+/*
+/turf/verb/view_chunk()
+	set src in world
+
+	if(cameranet.chunkGenerated(x, y, z))
+		var/datum/camerachunk/chunk = cameranet.getCameraChunk(x, y, z)
+		usr.client.debug_variables(chunk)
+>>>>>>> 3791f0b... Merge pull request #30896 from ShizCalev/debug-text
 */
\ No newline at end of file
diff --git a/code/modules/mob/living/simple_animal/bot/mulebot.dm b/code/modules/mob/living/simple_animal/bot/mulebot.dm
index 4007822ebb..e6a4b978ca 100644
--- a/code/modules/mob/living/simple_animal/bot/mulebot.dm
+++ b/code/modules/mob/living/simple_animal/bot/mulebot.dm
@@ -432,7 +432,6 @@
 		return
 	if(on)
 		var/speed = (wires.is_cut(WIRE_MOTOR1) ? 0 : 1) + (wires.is_cut(WIRE_MOTOR2) ? 0 : 2)
-		//to_chat(world, "speed: [speed]")
 		var/num_steps = 0
 		switch(speed)
 			if(0)
@@ -474,8 +473,6 @@
 					path -= next
 					return
 				if(isturf(next))
-					//to_chat(world, "at ([x],[y]) moving to ([next.x],[next.y])")
-
 					if(bloodiness)
 						var/obj/effect/decal/cleanable/blood/tracks/B = new(loc)
 						if(blood_DNA && blood_DNA.len)
@@ -497,7 +494,6 @@
 					var/moved = step_towards(src, next)	// attempt to move
 					if(cell) cell.use(1)
 					if(moved && oldloc!=loc)	// successful move
-						//to_chat(world, "Successful move.")
 						blockcount = 0
 						path -= loc
 
@@ -508,7 +504,6 @@
 
 					else		// failed to move
 
-						//to_chat(world, "Unable to move.")
 						blockcount++
 						mode = BOT_BLOCKED
 						if(blockcount == 3)
@@ -528,16 +523,13 @@
 						return
 				else
 					buzz(ANNOYED)
-					//to_chat(world, "Bad turf.")
 					mode = BOT_NAV
 					return
 			else
-				//to_chat(world, "No path.")
 				mode = BOT_NAV
 				return
 
 		if(BOT_NAV)	// calculate new path
-			//to_chat(world, "Calc new path.")
 			mode = BOT_WAIT_FOR_NAV
 			spawn(0)
 				calc_path()
diff --git a/code/modules/mob/living/simple_animal/friendly/farm_animals.dm b/code/modules/mob/living/simple_animal/friendly/farm_animals.dm
index b48e676a23..c29236c2fc 100644
--- a/code/modules/mob/living/simple_animal/friendly/farm_animals.dm
+++ b/code/modules/mob/living/simple_animal/friendly/farm_animals.dm
@@ -278,7 +278,6 @@
 			user.drop_item()
 			qdel(O)
 			eggsleft += rand(1, 4)
-			//to_chat(world, eggsleft)
 		else
 			to_chat(user, "<span class='warning'>[name] doesn't seem hungry!</span>")
 	else
diff --git a/code/modules/mob/living/simple_animal/simple_animal.dm b/code/modules/mob/living/simple_animal/simple_animal.dm
index dab8210940..144fec4a4a 100644
--- a/code/modules/mob/living/simple_animal/simple_animal.dm
+++ b/code/modules/mob/living/simple_animal/simple_animal.dm
@@ -233,7 +233,6 @@
 		if( abs(areatemp - bodytemperature) > 40 )
 			var/diff = areatemp - bodytemperature
 			diff = diff / 5
-			//to_chat(world, "changed from [bodytemperature] by [diff] to [bodytemperature + diff]")
 			bodytemperature += diff
 
 	if(!environment_is_safe(environment))
diff --git a/code/modules/power/generator.dm b/code/modules/power/generator.dm
index b5eef4260e..6aeaff9477 100644
--- a/code/modules/power/generator.dm
+++ b/code/modules/power/generator.dm
@@ -82,24 +82,16 @@
 		return
 
 	if(powernet)
-		//to_chat(world, "cold_circ and hot_circ pass")
-
 		var/datum/gas_mixture/cold_air = cold_circ.return_transfer_air()
 		var/datum/gas_mixture/hot_air = hot_circ.return_transfer_air()
 
-		//to_chat(world, "hot_air = [hot_air]; cold_air = [cold_air];")
-
 		if(cold_air && hot_air)
 
-			//to_chat(world, "hot_air = [hot_air] temperature = [hot_air.temperature]; cold_air = [cold_air] temperature = [hot_air.temperature];")
-
-			//to_chat(world, "coldair and hotair pass")
 			var/cold_air_heat_capacity = cold_air.heat_capacity()
 			var/hot_air_heat_capacity = hot_air.heat_capacity()
 
 			var/delta_temperature = hot_air.temperature - cold_air.temperature
 
-			//to_chat(world, "delta_temperature = [delta_temperature]; cold_air_heat_capacity = [cold_air_heat_capacity]; hot_air_heat_capacity = [hot_air_heat_capacity]")
 
 			if(delta_temperature > 0 && cold_air_heat_capacity > 0 && hot_air_heat_capacity > 0)
 				var/efficiency = 0.65
@@ -109,13 +101,9 @@
 				var/heat = energy_transfer*(1-efficiency)
 				lastgen += energy_transfer*efficiency
 
-				//to_chat(world, "lastgen = [lastgen]; heat = [heat]; delta_temperature = [delta_temperature]; hot_air_heat_capacity = [hot_air_heat_capacity]; cold_air_heat_capacity = [cold_air_heat_capacity];")
-
 				hot_air.temperature = hot_air.temperature - energy_transfer/hot_air_heat_capacity
 				cold_air.temperature = cold_air.temperature + heat/cold_air_heat_capacity
 
-				//to_chat(world, "POWER: [lastgen] W generated at [efficiency*100]% efficiency and sinks sizes [cold_air_heat_capacity], [hot_air_heat_capacity]")
-
 				//add_avail(lastgen) This is done in process now
 		// update icon overlays only if displayed level has changed
 
diff --git a/code/modules/projectiles/projectile.dm b/code/modules/projectiles/projectile.dm
index 527d02e52a..a0f4712471 100644
--- a/code/modules/projectiles/projectile.dm
+++ b/code/modules/projectiles/projectile.dm
@@ -324,7 +324,6 @@
 
 		//Split Y+Pixel_Y up into list(Y, Pixel_Y)
 		var/list/screen_loc_Y = splittext(screen_loc_params[2],":")
-		// to_chat(world, "X: [screen_loc_X[1]] PixelX: [screen_loc_X[2]] / Y: [screen_loc_Y[1]] PixelY: [screen_loc_Y[2]]")
 		var/x = text2num(screen_loc_X[1]) * 32 + text2num(screen_loc_X[2]) - 32
 		var/y = text2num(screen_loc_Y[1]) * 32 + text2num(screen_loc_Y[2]) - 32
 
@@ -333,9 +332,7 @@
 
 		var/ox = round(screenview/2) - user.client.pixel_x //"origin" x
 		var/oy = round(screenview/2) - user.client.pixel_y //"origin" y
-		// to_chat(world, "Pixel position: [x] [y]")
 		angle = Atan2(y - oy, x - ox)
-		// to_chat(world, "Angle: [angle]")
 	return list(angle, p_x, p_y)
 
 /obj/item/projectile/Crossed(atom/movable/AM) //A mob moving on a tile with a projectile is hit by it.
diff --git a/code/modules/reagents/chemistry/holder.dm b/code/modules/reagents/chemistry/holder.dm
index ad339b8e39..9bcd909faf 100644
--- a/code/modules/reagents/chemistry/holder.dm
+++ b/code/modules/reagents/chemistry/holder.dm
@@ -671,7 +671,6 @@
 	for(var/reagent in cached_reagents)
 		var/datum/reagent/R = reagent
 		if(R.id == reagent_id)
-			//to_chat(world, "proffering a data-carrying reagent ([reagent_id])")
 			return R.data
 
 /datum/reagents/proc/set_data(reagent_id, new_data)
@@ -679,7 +678,6 @@
 	for(var/reagent in cached_reagents)
 		var/datum/reagent/R = reagent
 		if(R.id == reagent_id)
-			//to_chat(world, "reagent data set ([reagent_id])")
 			R.data = new_data
 
 /datum/reagents/proc/copy_data(datum/reagent/current_reagent)