Merge pull request #6964 from Citadel-Station-13/upstream-merge-37695

[MIRROR] AI Multicamera mode

_maps/map_files/Deltastation/DeltaStation2.dmm

@@ -92691,7 +92691,6 @@
 /turf/open/floor/plating,
 /area/maintenance/port/aft)
 "dQF" = (
-/obj/machinery/droneDispenser,
 /obj/effect/decal/cleanable/dirt,
 /obj/effect/turf_decal/bot,
 /turf/open/floor/plasteel,

_maps/map_files/MetaStation/MetaStation.dmm

@@ -897,6 +897,13 @@
 	},
 /turf/open/floor/plasteel/floorgrime,
 /area/security/prison)
+"acx" = (
+/obj/machinery/airalarm{
+	dir = 8;
+	pixel_x = 24
+	},
+/turf/open/floor/plasteel/floorgrime,
+/area/security/prison)
 "acy" = (
 /obj/machinery/door/airlock/external{
 	name = "Escape Pod Two"
@@ -1042,6 +1049,15 @@
 /obj/machinery/light,
 /turf/open/floor/plasteel/floorgrime,
 /area/security/prison)
+"acM" = (
+/obj/structure/table,
+/obj/item/paper_bin{
+	pixel_x = -3;
+	pixel_y = 7
+	},
+/obj/item/pen,
+/turf/open/floor/plasteel/floorgrime,
+/area/security/prison)
 "acN" = (
 /obj/structure/table/glass,
 /obj/item/reagent_containers/syringe,
@@ -6013,6 +6029,11 @@
 	},
 /turf/open/floor/plating,
 /area/maintenance/port/fore)
+"amU" = (
+/turf/open/floor/plating{
+	icon_state = "platingdmg2"
+	},
+/area/maintenance/port)
 "amW" = (
 /obj/structure/table/reinforced,
 /obj/item/folder,
@@ -21724,6 +21745,18 @@
 "aUM" = (
 /turf/closed/wall,
 /area/crew_quarters/locker)
+"aUN" = (
+/obj/structure/closet/wardrobe/black,
+/turf/open/floor/plasteel/vault,
+/area/crew_quarters/locker)
+"aUO" = (
+/obj/structure/closet/wardrobe/grey,
+/turf/open/floor/plasteel/vault,
+/area/crew_quarters/locker)
+"aUP" = (
+/obj/structure/closet/wardrobe/white,
+/turf/open/floor/plasteel/vault,
+/area/crew_quarters/locker)
 "aUQ" = (
 /turf/open/floor/plasteel/vault,
 /area/crew_quarters/locker)
@@ -25533,6 +25566,12 @@
 	dir = 4
 	},
 /area/security/checkpoint/engineering)
+"bcO" = (
+/obj/structure/easel,
+/turf/open/floor/plating{
+	icon_state = "platingdmg3"
+	},
+/area/maintenance/starboard/fore)
 "bcP" = (
 /obj/machinery/light{
 	dir = 8
@@ -54314,8 +54353,7 @@
 /turf/open/floor/plating,
 /area/maintenance/starboard/aft)
 "cmb" = (
-/obj/machinery/chem_master/condimaster{
+/obj/machinery/chem_master{
-	name = "CondiMaster Neo";
 	pixel_x = -4
 	},
 /turf/open/floor/plating,
@@ -71412,6 +71450,10 @@
 /obj/structure/easel,
 /turf/open/floor/plating,
 /area/maintenance/port)
+"dbl" = (
+/obj/structure/easel,
+/turf/open/floor/plating,
+/area/maintenance/starboard/aft)
 "dbm" = (
 /obj/effect/landmark/event_spawn,
 /turf/open/floor/plasteel,
@@ -76191,14 +76233,6 @@
 	},
 /turf/open/floor/plating,
 /area/security/prison)
-"hAJ" = (
-/obj/machinery/airalarm{
-	dir = 8;
-	pixel_x = 24
-	},
-/obj/machinery/cryopod,
-/turf/open/floor/plasteel/floorgrime,
-/area/security/prison)
 "ioI" = (
 /obj/machinery/atmospherics/pipe/simple/scrubbers/hidden{
 	dir = 4
@@ -76447,10 +76481,6 @@
 	},
 /turf/open/floor/plasteel/white,
 /area/science/circuit)
-"mEW" = (
-/obj/machinery/vending/kink,
-/turf/open/floor/plasteel/vault,
-/area/crew_quarters/locker)
 "nnK" = (
 /obj/item/stack/sheet/glass/fifty,
 /obj/item/paper_bin,
@@ -76711,12 +76741,6 @@
 	},
 /turf/open/floor/wood,
 /area/library)
-"rhY" = (
-/obj/machinery/vending/kink,
-/turf/open/floor/plating{
-	icon_state = "platingdmg2"
-	},
-/area/maintenance/port)
 "rzX" = (
 /obj/structure/chair/office/light{
 	dir = 1;
@@ -76930,15 +76954,6 @@
 	},
 /turf/open/floor/plasteel,
 /area/science/misc_lab)
-"vlg" = (
-/obj/machinery/atmospherics/pipe/simple/scrubbers/hidden{
-	dir = 4
-	},
-/obj/effect/turf_decal/tile/green/side,
-/turf/open/floor/plasteel/neutral/corner{
-	dir = 2
-	},
-/area/crew_quarters/locker)
 "vlx" = (
 /obj/machinery/vr_sleeper,
 /turf/open/floor/plasteel/neutral/corner{
@@ -76994,7 +77009,6 @@
 /turf/closed/wall,
 /area/science/circuit)
 "wOE" = (
-/obj/machinery/droneDispenser,
 /turf/open/floor/plating,
 /area/maintenance/aft)
 "wPk" = (
@@ -77083,79 +77097,6 @@
 /obj/machinery/light,
 /turf/open/floor/plasteel/white,
 /area/science/circuit)
-"AIY" = (
-/obj/machinery/computer/cryopod{
-	pixel_y = -24
-	},
-/obj/effect/turf_decal/stripes/line{
-	dir = 1
-	},
-/obj/effect/turf_decal/box/white/corners,
-/obj/effect/turf_decal/box/white/corners{
-	dir = 8
-	},
-/turf/open/floor/plasteel/vault,
-/area/crew_quarters/locker)
-"FiY" = (
-/obj/machinery/vending/kink,
-/turf/open/floor/plating{
-	icon_state = "platingdmg3"
-	},
-/area/maintenance/starboard/fore)
-"KHe" = (
-/obj/machinery/atmospherics/pipe/simple/scrubbers/hidden{
-	dir = 4
-	},
-/obj/effect/turf_decal/tile/green/corner{
-	dir = 1
-	},
-/turf/open/floor/plasteel/neutral/corner{
-	dir = 2
-	},
-/area/crew_quarters/locker)
-"RbF" = (
-/obj/machinery/vending/kink,
-/obj/machinery/vending/kink,
-/turf/open/floor/plating,
-/area/maintenance/starboard/aft)
-"SuJ" = (
-/obj/machinery/cryopod,
-/obj/effect/turf_decal/stripes/line{
-	dir = 5
-	},
-/turf/open/floor/plasteel/vault,
-/area/crew_quarters/locker)
-"WoM" = (
-/obj/machinery/cryopod{
-	dir = 4
-	},
-/obj/effect/turf_decal/stripes/line{
-	dir = 1
-	},
-/turf/open/floor/plasteel/vault,
-/area/crew_quarters/locker)
-"Xvm" = (
-/obj/structure/table,
-/obj/item/paper_bin{
-	pixel_x = -3;
-	pixel_y = 7
-	},
-/obj/item/pen,
-/obj/machinery/computer/cryopod{
-	pixel_x = 30;
-	pixel_y = 6
-	},
-/turf/open/floor/plasteel/floorgrime,
-/area/security/prison)
-"XMx" = (
-/obj/machinery/atmospherics/pipe/simple/scrubbers/hidden{
-	dir = 4
-	},
-/obj/effect/turf_decal/tile/green/corner,
-/turf/open/floor/plasteel/neutral/corner{
-	dir = 2
-	},
-/area/crew_quarters/locker)
 
 (1,1,1) = {"
 aaa
@@ -95026,7 +94967,7 @@ bHQ
 bvW
 bLg
 bLf
-rhY
+amU
 bPL
 alK
 bOf
@@ -101641,8 +101582,8 @@ aay
 abs
 abK
 ace
-hAJ
+acx
-Xvm
+acM
 abe
 ady
 adT
@@ -110487,7 +110428,7 @@ cGl
 cHg
 cIh
 dAh
-RbF
+dbl
 dyc
 dxQ
 dvY
@@ -110675,8 +110616,8 @@ aOx
 aPJ
 aQT
 aOu
-XMx
+aTt
-WoM
+aUN
 aUM
 aYc
 aTC
@@ -110932,8 +110873,8 @@ aOy
 aOt
 aQU
 aSg
-vlg
+aTt
-AIY
+aUO
 aUM
 boW
 aZt
@@ -111189,8 +111130,8 @@ aOz
 aOu
 aQV
 aOv
-KHe
+aTt
-SuJ
+aUP
 aUM
 dCD
 aZt
@@ -112475,7 +112416,7 @@ aPL
 aQZ
 aSh
 aTA
-mEW
+aUT
 aUM
 aYh
 aCM
@@ -118361,7 +118302,7 @@ aaf
 aaf
 ack
 dni
-FiY
+bcO
 dnS
 dnS
 dnS

_maps/map_files/OmegaStation/OmegaStation.dmm

@@ -7629,7 +7629,6 @@
 	},
 /area/teleporter)
 "aoJ" = (
-/obj/machinery/droneDispenser,
 /obj/effect/turf_decal/stripes/line{
 	dir = 10
 	},
@@ -14629,6 +14628,18 @@
 	dir = 5
 	},
 /area/crew_quarters/dorms)
+"aEL" = (
+/obj/item/twohanded/required/kirbyplants{
+	icon_state = "plant-21"
+	},
+/obj/machinery/status_display{
+	pixel_y = -32
+	},
+/obj/effect/turf_decal/bot,
+/turf/open/floor/plasteel/vault{
+	dir = 5
+	},
+/area/crew_quarters/dorms)
 "aEM" = (
 /obj/structure/closet/crate/bin,
 /obj/effect/turf_decal/bot,
@@ -35974,16 +35985,6 @@
 	dir = 5
 	},
 /area/engine/atmos)
-"ZwS" = (
-/obj/machinery/status_display{
-	pixel_y = -32
-	},
-/obj/effect/turf_decal/bot,
-/obj/machinery/vending/kink,
-/turf/open/floor/plasteel/vault{
-	dir = 5
-	},
-/area/crew_quarters/dorms)
 
 (1,1,1) = {"
 aaa
@@ -72590,7 +72591,7 @@ aAF
 aBO
 aCN
 aDD
-ZwS
+aEL
 awQ
 aGz
 aGM

_maps/map_files/PubbyStation/PubbyStation.dmm

@@ -3054,6 +3054,10 @@
 	},
 /turf/open/space,
 /area/space/nearstation)
+"ajB" = (
+/obj/item/storage/box/mousetraps,
+/turf/open/floor/plating,
+/area/maintenance/department/security/brig)
 "ajC" = (
 /obj/structure/chair/stool,
 /turf/open/floor/plating,
@@ -3448,6 +3452,10 @@
 	},
 /turf/open/floor/plating,
 /area/maintenance/department/security/brig)
+"aks" = (
+/obj/machinery/light/small,
+/turf/open/floor/plating,
+/area/maintenance/department/security/brig)
 "akt" = (
 /obj/structure/bed,
 /obj/item/bedsheet,
@@ -10349,6 +10357,14 @@
 	},
 /turf/open/floor/plasteel,
 /area/hallway/primary/central)
+"aBK" = (
+/obj/structure/table,
+/obj/machinery/light{
+	dir = 4
+	},
+/obj/item/crowbar,
+/turf/open/floor/plasteel,
+/area/hallway/primary/central)
 "aBL" = (
 /obj/effect/spawner/structure/window/reinforced,
 /obj/machinery/door/poddoor/shutters/preopen{
@@ -10422,6 +10438,10 @@
 /obj/machinery/atmospherics/components/unary/vent_pump/on,
 /turf/open/floor/plasteel,
 /area/crew_quarters/dorms)
+"aBT" = (
+/obj/structure/closet/wardrobe/white,
+/turf/open/floor/plasteel/arrival,
+/area/crew_quarters/fitness/recreation)
 "aBU" = (
 /obj/structure/closet/wardrobe/mixed,
 /turf/open/floor/plasteel/arrival,
@@ -12047,6 +12067,14 @@
 /obj/machinery/vending/snack,
 /turf/open/floor/plasteel,
 /area/hallway/primary/central)
+"aFD" = (
+/obj/structure/table,
+/obj/machinery/light{
+	dir = 4
+	},
+/obj/item/taperecorder,
+/turf/open/floor/plasteel,
+/area/hallway/primary/central)
 "aFE" = (
 /obj/structure/cable{
 	icon_state = "1-2"
@@ -12420,6 +12448,13 @@
 /obj/machinery/vending/cigarette,
 /turf/open/floor/plasteel,
 /area/hallway/primary/central)
+"aGA" = (
+/obj/structure/cable{
+	icon_state = "1-2"
+	},
+/obj/machinery/atmospherics/pipe/simple/supply/hidden,
+/turf/open/floor/plating,
+/area/storage/emergency/starboard)
 "aGB" = (
 /obj/machinery/space_heater,
 /turf/open/floor/plating,
@@ -21173,7 +21208,6 @@
 	},
 /area/maintenance/department/cargo)
 "bdA" = (
-/obj/machinery/droneDispenser,
 /turf/open/floor/plating,
 /area/maintenance/department/cargo)
 "bdB" = (
@@ -33115,6 +33149,10 @@
 	},
 /turf/open/space/basic,
 /area/space/nearstation)
+"bHP" = (
+/obj/effect/decal/cleanable/cobweb,
+/turf/open/floor/plasteel/dark,
+/area/maintenance/department/engine)
 "bHQ" = (
 /turf/open/floor/plasteel/dark,
 /area/maintenance/department/engine)
@@ -43077,6 +43115,19 @@
 	},
 /turf/open/floor/plasteel/dark,
 /area/chapel/main/monastery)
+"cjO" = (
+/obj/effect/decal/cleanable/cobweb{
+	icon_state = "cobweb2"
+	},
+/obj/item/stack/sheet/glass/fifty{
+	layer = 4
+	},
+/obj/item/stack/sheet/metal{
+	amount = 20;
+	layer = 3.1
+	},
+/turf/open/floor/plating,
+/area/maintenance/department/chapel/monastery)
 "cjP" = (
 /obj/item/twohanded/required/kirbyplants{
 	icon_state = "plant-22"
@@ -47905,7 +47956,6 @@
 /obj/structure/cable{
 	icon_state = "1-2"
 	},
-/obj/machinery/atmospherics/pipe/simple/general/hidden,
 /obj/machinery/atmospherics/pipe/simple/supply/hidden,
 /turf/open/floor/plating,
 /area/maintenance/department/cargo)
@@ -48014,16 +48064,6 @@
 	},
 /turf/open/floor/plating,
 /area/engine/engineering)
-"eWf" = (
-/obj/machinery/light{
-	dir = 4
-	},
-/obj/machinery/cryopod,
-/obj/machinery/computer/cryopod{
-	pixel_y = 24
-	},
-/turf/open/floor/plasteel/dark,
-/area/hallway/primary/central)
 "eWi" = (
 /obj/structure/reagent_dispensers/fueltank,
 /turf/open/floor/plasteel/dark,
@@ -50991,11 +51031,6 @@
 /obj/structure/disposalpipe/segment,
 /turf/open/floor/wood,
 /area/lawoffice)
-"nSH" = (
-/obj/effect/decal/cleanable/cobweb,
-/obj/machinery/vending/kink,
-/turf/open/floor/plasteel/dark,
-/area/maintenance/department/engine)
 "nVU" = (
 /obj/item/twohanded/spear,
 /turf/open/floor/plating,
@@ -51957,15 +51992,6 @@
 	},
 /turf/open/floor/plating,
 /area/crew_quarters/heads/chief)
-"qHi" = (
-/obj/structure/table,
-/obj/machinery/light{
-	dir = 4
-	},
-/obj/item/crowbar,
-/obj/item/taperecorder,
-/turf/open/floor/plasteel,
-/area/hallway/primary/central)
 "qHI" = (
 /obj/structure/disposalpipe/segment{
 	dir = 9
@@ -52354,7 +52380,7 @@
 	width = 9
 	},
 /turf/open/floor/plating,
-/area/shuttle/auxillary_base)
+/area/construction/mining/aux_base)
 "rKr" = (
 /obj/structure/cable{
 	icon_state = "4-8"
@@ -53135,7 +53161,7 @@
 /area/construction/mining/aux_base)
 "uoS" = (
 /turf/open/floor/plating,
-/area/shuttle/auxillary_base)
+/area/construction/mining/aux_base)
 "uqJ" = (
 /obj/effect/spawner/structure/window/reinforced,
 /obj/structure/cable,
@@ -54452,65 +54478,6 @@
 /obj/machinery/atmospherics/pipe/simple/scrubbers/hidden,
 /turf/open/floor/plasteel/dark,
 /area/engine/engineering)
-"yzM" = (
-/obj/machinery/light/small,
-/obj/item/storage/box/mousetraps,
-/turf/open/floor/plating,
-/area/maintenance/department/security/brig)
-"Drm" = (
-/obj/effect/turf_decal/stripes/corner,
-/turf/open/floor/plasteel/green/corner,
-/area/hallway/primary/central)
-"EjC" = (
-/obj/machinery/cryopod,
-/turf/open/floor/plasteel/dark,
-/area/hallway/primary/central)
-"JAb" = (
-/obj/structure/cable{
-	icon_state = "1-2"
-	},
-/obj/machinery/atmospherics/pipe/simple/supply/hidden,
-/obj/item/taperecorder,
-/turf/open/floor/plating,
-/area/storage/emergency/starboard)
-"KhG" = (
-/obj/machinery/vending/kink,
-/turf/open/floor/plating,
-/area/maintenance/department/security/brig)
-"QYc" = (
-/obj/machinery/vending/kink,
-/obj/effect/decal/cleanable/cobweb{
-	icon_state = "cobweb2"
-	},
-/turf/open/floor/plating,
-/area/maintenance/department/chapel/monastery)
-"RST" = (
-/obj/effect/turf_decal/stripes/line{
-	dir = 4
-	},
-/turf/open/floor/plasteel/green/side{
-	dir = 4
-	},
-/area/hallway/primary/central)
-"Xmf" = (
-/obj/item/stack/sheet/metal{
-	amount = 20;
-	layer = 3.1
-	},
-/obj/item/stack/sheet/glass/fifty{
-	layer = 4
-	},
-/turf/open/floor/plating,
-/area/maintenance/department/chapel/monastery)
-"YSB" = (
-/obj/machinery/vending/kink,
-/turf/closed/wall,
-/area/storage/emergency/starboard)
-"Zud" = (
-/obj/machinery/vending/kink,
-/obj/machinery/vending/kink,
-/turf/open/floor/plasteel/arrival,
-/area/crew_quarters/fitness/recreation)
 
 (1,1,1) = {"
 aaa
@@ -70775,7 +70742,7 @@ aaa
 aaa
 ait
 aiV
-KhG
+ajB
 akr
 aiu
 ait
@@ -71149,7 +71116,7 @@ cvw
 cvI
 ckQ
 clf
-Xmf
+cwA
 cwA
 cwS
 cjm
@@ -71290,7 +71257,7 @@ aaa
 aiu
 aiX
 ajD
-yzM
+aks
 aiu
 ait
 ait
@@ -71405,7 +71372,7 @@ cgG
 cfn
 ciR
 cwa
-QYc
+cjO
 ckk
 ckC
 ckR
@@ -75731,7 +75698,7 @@ bDg
 bEj
 bFF
 bva
-nSH
+bHP
 bJb
 bJb
 bJb
@@ -90583,12 +90550,12 @@ awd
 abI
 awd
 aAM
-qHi
+aBK
 aDa
 aEb
-Drm
+aAM
-RST
+aFD
-RST
+aDa
 aAN
 aIf
 aJe
@@ -90844,8 +90811,8 @@ awd
 awd
 aAN
 aAN
-eWf
+awd
-EjC
+awd
 aAN
 aIg
 aJf
@@ -91100,10 +91067,10 @@ aaa
 aaa
 aaa
 aaa
-aAN
+aaa
-aAN
+aaa
-aAN
+aaa
-aAN
+awd
 aHN
 aIU
 aJI
@@ -92387,7 +92354,7 @@ aDd
 apX
 aEU
 aFE
-JAb
+aGA
 aHn
 aIi
 aJi
@@ -92901,7 +92868,7 @@ com
 apX
 aET
 lKL
-YSB
+aET
 aET
 aHN
 aIU
@@ -95209,7 +95176,7 @@ axw
 ayu
 azC
 axw
-Zud
+aBT
 atn
 aEf
 aFc

code/_onclick/ai.dm

@@ -26,6 +26,14 @@
 		return
 	next_click = world.time + 1
 
+	if(multicam_on)
+		var/turf/T = get_turf(A)
+		if(T)
+			for(var/obj/screen/movable/pic_in_pic/ai/P in T.vis_locs)
+				if(P.ai == src)
+					P.Click(params)
+					break
+
 	if(check_click_intercept(params,A))
 		return
 

code/_onclick/hud/_defines.dm

@@ -134,6 +134,8 @@
 #define ui_ai_take_picture "SOUTH:6,WEST+12"
 #define ui_ai_view_images "SOUTH:6,WEST+13"
 #define ui_ai_sensor "SOUTH:6,WEST+14"
+#define ui_ai_multicam "SOUTH+1:6,WEST+13"
+#define ui_ai_add_multicam "SOUTH+1:6,WEST+14"
 
 //Pop-up inventory
 #define ui_shoes "WEST+1:8,SOUTH:5"

code/_onclick/hud/ai.dm

@@ -164,6 +164,26 @@
 	var/mob/living/silicon/S = usr
 	S.toggle_sensors()
 
+/obj/screen/ai/multicam
+	name = "Multicamera Mode"
+	icon_state = "multicam"
+
+/obj/screen/ai/multicam/Click()
+	if(..())
+		return
+	var/mob/living/silicon/ai/AI = usr
+	AI.toggle_multicam()
+
+/obj/screen/ai/add_multicam
+	name = "New Camera"
+	icon_state = "new_cam"
+
+/obj/screen/ai/add_multicam/Click()
+	if(..())
+		return
+	var/mob/living/silicon/ai/AI = usr
+	AI.drop_new_multicam()
+
 
 /datum/hud/ai
 	ui_style_icon = 'icons/mob/screen_ai.dmi'
@@ -247,12 +267,20 @@
 	using.screen_loc = ui_ai_view_images
 	static_inventory += using
 
-
 //Medical/Security sensors
 	using = new /obj/screen/ai/sensors()
 	using.screen_loc = ui_ai_sensor
 	static_inventory += using
 
+//Multicamera mode
+	using = new /obj/screen/ai/multicam()
+	using.screen_loc = ui_ai_multicam
+	static_inventory += using
+
+//Add multicamera camera
+	using = new /obj/screen/ai/add_multicam()
+	using.screen_loc = ui_ai_add_multicam
+	static_inventory += using
 
 /mob/living/silicon/ai/create_mob_hud()
 	if(client && !hud_used)

code/_onclick/hud/movable_screen_objects.dm

@@ -12,6 +12,8 @@
 	var/snap2grid = FALSE
 	var/moved = FALSE
 	var/locked = FALSE
+	var/x_off = -16
+	var/y_off = -16
 
 //Snap Screen Object
 //Tied to the grid, snaps to the nearest turf
@@ -42,8 +44,8 @@
 		screen_loc = "[screen_loc_X[1]],[screen_loc_Y[1]]"
 
 	else //Normalise Pixel Values (So the object drops at the center of the mouse, not 16 pixels off)
-		var/pix_X = text2num(screen_loc_X[2]) - 16
+		var/pix_X = text2num(screen_loc_X[2]) + x_off
-		var/pix_Y = text2num(screen_loc_Y[2]) - 16
+		var/pix_Y = text2num(screen_loc_Y[2]) + y_off
 		screen_loc = "[screen_loc_X[1]]:[pix_X],[screen_loc_Y[1]]:[pix_Y]"
 
 	moved = screen_loc

code/_onclick/hud/picture_in_picture.dm

@@ -0,0 +1,144 @@
+/obj/screen/movable/pic_in_pic
+	name = "Picture-in-picture"
+	screen_loc = "CENTER"
+	plane = GAME_PLANE
+	var/atom/center
+	var/width = 0
+	var/height = 0
+	var/list/shown_to = list()
+	var/list/viewing_turfs = list()
+	var/obj/screen/component_button/button_x
+	var/obj/screen/component_button/button_expand
+	var/obj/screen/component_button/button_shrink
+
+	var/mutable_appearance/standard_background
+	var/const/max_dimensions = 10
+
+/obj/screen/movable/pic_in_pic/Initialize()
+	. = ..()
+	make_backgrounds()
+
+/obj/screen/movable/pic_in_pic/Destroy()
+	for(var/C in shown_to)
+		unshow_to(C)
+	QDEL_NULL(button_x)
+	QDEL_NULL(button_shrink)
+	QDEL_NULL(button_expand)
+	return ..()
+
+/obj/screen/movable/pic_in_pic/component_click(obj/screen/component_button/component, params)
+	if(component == button_x)
+		qdel(src)
+	else if(component == button_expand)
+		set_view_size(width+1, height+1)
+	else if(component == button_shrink)
+		set_view_size(width-1, height-1)
+
+/obj/screen/movable/pic_in_pic/proc/make_backgrounds()
+	standard_background = new /mutable_appearance()
+	standard_background.icon = 'icons/misc/pic_in_pic.dmi'
+	standard_background.icon_state = "background"
+	standard_background.layer = SPACE_LAYER
+
+/obj/screen/movable/pic_in_pic/proc/add_buttons()
+	var/static/mutable_appearance/move_tab
+	if(!move_tab)
+		move_tab = new /mutable_appearance()
+		//all these properties are always the same, and since adding something to the overlay
+		//list makes a copy, there is no reason to make a new one each call
+		move_tab.icon = 'icons/misc/pic_in_pic.dmi'
+		move_tab.icon_state = "move"
+		move_tab.plane = HUD_PLANE
+	var/matrix/M = matrix()
+	M.Translate(0, (height + 0.25) * world.icon_size)
+	move_tab.transform = M
+	add_overlay(move_tab)
+
+	if(!button_x)
+		button_x = new /obj/screen/component_button(null, src)
+		var/mutable_appearance/MA = new /mutable_appearance()
+		MA.name = "close"
+		MA.icon = 'icons/misc/pic_in_pic.dmi'
+		MA.icon_state = "x"
+		MA.plane = HUD_PLANE
+		button_x.appearance = MA
+	M = matrix()
+	M.Translate((max(4, width) - 0.75) * world.icon_size, (height + 0.25) * world.icon_size)
+	button_x.transform = M
+	vis_contents += button_x
+
+	if(!button_expand)
+		button_expand = new /obj/screen/component_button(null, src)
+		var/mutable_appearance/MA = new /mutable_appearance()
+		MA.name = "expand"
+		MA.icon = 'icons/misc/pic_in_pic.dmi'
+		MA.icon_state = "expand"
+		MA.plane = HUD_PLANE
+		button_expand.appearance = MA
+	M = matrix()
+	M.Translate(world.icon_size, (height + 0.25) * world.icon_size)
+	button_expand.transform = M
+	vis_contents += button_expand
+
+	if(!button_shrink)
+		button_shrink = new /obj/screen/component_button(null, src)
+		var/mutable_appearance/MA = new /mutable_appearance()
+		MA.name = "shrink"
+		MA.icon = 'icons/misc/pic_in_pic.dmi'
+		MA.icon_state = "shrink"
+		MA.plane = HUD_PLANE
+		button_shrink.appearance = MA
+	M = matrix()
+	M.Translate(2 * world.icon_size, (height + 0.25) * world.icon_size)
+	button_shrink.transform = M
+	vis_contents += button_shrink
+
+/obj/screen/movable/pic_in_pic/proc/add_background()
+	if((width > 0) && (height > 0))
+		var/matrix/M = matrix()
+		M.Scale(width + 0.5, height + 0.5)
+		M.Translate((width-1)/2 * world.icon_size, (height-1)/2 * world.icon_size)
+		standard_background.transform = M
+		add_overlay(standard_background)
+
+/obj/screen/movable/pic_in_pic/proc/set_view_size(width, height, do_refresh = TRUE)
+	width = CLAMP(width, 0, max_dimensions)
+	height = CLAMP(height, 0, max_dimensions)
+	src.width = width
+	src.height = height
+
+	y_off = -height * world.icon_size - 16
+
+	cut_overlays()
+	add_background()
+	add_buttons()
+	if(do_refresh)
+		refresh_view()
+
+/obj/screen/movable/pic_in_pic/proc/set_view_center(atom/target, do_refresh = TRUE)
+	center = target
+	if(do_refresh)
+		refresh_view()
+
+/obj/screen/movable/pic_in_pic/proc/refresh_view()
+	vis_contents -= viewing_turfs
+	if(!width || !height)
+		return
+	var/turf/T = get_turf(center)
+	if(!T)
+		return
+	var/turf/lowerleft = locate(max(1, T.x - round(width/2)), max(1, T.y - round(height/2)), T.z)
+	var/turf/upperright = locate(min(world.maxx, lowerleft.x + width - 1), min(world.maxy, lowerleft.y + height - 1), lowerleft.z)
+	viewing_turfs = block(lowerleft, upperright)
+	vis_contents += viewing_turfs
+
+
+/obj/screen/movable/pic_in_pic/proc/show_to(client/C)
+	if(C)
+		shown_to[C] = 1
+		C.screen += src
+
+/obj/screen/movable/pic_in_pic/proc/unshow_to(client/C)
+	if(C)
+		shown_to -= C
+		C.screen -= src

code/_onclick/hud/screen_objects.dm

@@ -30,6 +30,9 @@
 /obj/screen/orbit()
 	return
 
+/obj/screen/proc/component_click(obj/screen/component_button/component, params)
+	return
+
 /obj/screen/text
 	icon = null
 	icon_state = null
@@ -604,3 +607,15 @@
 		holder.screen -= src
 		holder = null
 	return ..()
+
+
+/obj/screen/component_button
+	var/obj/screen/parent
+
+/obj/screen/component_button/Initialize(mapload, obj/screen/parent)
+	. = ..()
+	src.parent = parent
+
+/obj/screen/component_button/Click(params)
+	if(parent)
+		parent.component_click(src, params)

code/datums/holocall.dm

@@ -60,9 +60,6 @@
 		user.remote_control = null
 
 	if(!QDELETED(eye))
-		if(user_good && user.client)
-			for(var/datum/camerachunk/chunk in eye.visibleCameraChunks)
-				chunk.remove(eye)
 		qdel(eye)
 	eye = null
 

code/game/machinery/camera/camera.dm

@@ -36,6 +36,7 @@
 	var/alarm_on = FALSE
 	var/busy = FALSE
 	var/emped = FALSE  //Number of consecutive EMP's on this camera
+	var/in_use_lights = 0
 
 	// Upgrades bitflag
 	var/upgrades = 0
@@ -285,7 +286,7 @@
 	else if (stat & EMPED)
 		icon_state = "[initial(icon_state)]emp"
 	else
-		icon_state = "[initial(icon_state)]"
+		icon_state = "[initial(icon_state)][in_use_lights ? "_in_use" : ""]"
 
 /obj/machinery/camera/proc/toggle_cam(mob/user, displaymessage = 1)
 	status = !status

code/game/machinery/computer/camera_advanced.dm

@@ -190,7 +190,7 @@
 		else
 			moveToNullspace()
 		if(use_static)
-			GLOB.cameranet.visibility(src)
+			GLOB.cameranet.visibility(src, GetViewerClient())
 		if(visible_icon)
 			if(eye_user.client)
 				eye_user.client.images -= user_image

code/modules/lighting/lighting_object.dm

@@ -11,8 +11,6 @@
 	layer            = LIGHTING_LAYER
 	invisibility     = INVISIBILITY_LIGHTING
 
-	blend_mode       = BLEND_ADD
-
 	var/needs_update = FALSE
 	var/turf/myturf
 

code/modules/mob/living/silicon/ai/ai.dm

@@ -74,7 +74,7 @@
 	var/nuking = FALSE
 	var/obj/machinery/doomsday_device/doomsday_device
 
-	var/mob/camera/aiEye/eyeobj = new
+	var/mob/camera/aiEye/eyeobj
 	var/sprint = 10
 	var/cooldown = 0
 	var/acceleration = 1
@@ -85,6 +85,13 @@
 	var/datum/action/innate/deploy_last_shell/redeploy_action = new
 	var/chnotify = 0
 
+	var/multicam_allowed = FALSE
+	var/multicam_on = FALSE
+	var/obj/screen/movable/pic_in_pic/ai/master_multicam
+	var/list/multicam_screens = list()
+	var/list/all_eyes = list()
+	var/max_multicams = 6
+
 /mob/living/silicon/ai/Initialize(mapload, datum/ai_laws/L, mob/target_ai)
 	. = ..()
 	if(!target_ai) //If there is no player/brain inside.
@@ -116,8 +123,7 @@
 
 	job = "AI"
 
-	eyeobj.ai = src
+	create_eye()
-	eyeobj.forceMove(src.loc)
 	rename_self("ai")
 
 	holo_icon = getHologramIcon(icon('icons/mob/ai.dmi',"default"))
@@ -871,9 +877,12 @@
 		current = A
 	if(client)
 		if(ismovableatom(A))
+			if(A != GLOB.ai_camera_room_landmark)
+				end_multicam()
 			client.perspective = EYE_PERSPECTIVE
 			client.eye = A
 		else
+			end_multicam()
 			if(isturf(loc))
 				if(eyeobj)
 					client.eye = eyeobj
@@ -993,3 +1002,11 @@
 	. = ..()
 	if(!target_ai)
 		target_ai = src //cheat! just give... ourselves as the spawned AI, because that's technically correct
+
+/mob/living/silicon/ai/proc/camera_visibility(mob/camera/aiEye/moved_eye)
+	GLOB.cameranet.visibility(moved_eye, client, all_eyes)
+
+/mob/living/silicon/ai/forceMove(atom/destination)
+	. = ..()
+	if(.)
+		end_multicam()

code/modules/mob/living/silicon/ai/freelook/cameranet.dm

@@ -38,29 +38,63 @@ GLOBAL_DATUM_INIT(cameranet, /datum/cameranet, new)
 
 // 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)
+/datum/cameranet/proc/visibility(list/moved_eyes, client/C, list/other_eyes)
-	// 0xf = 15
+	if(!islist(moved_eyes))
-	var/x1 = max(0, ai.x - 16) & ~(CHUNK_SIZE - 1)
+		moved_eyes = moved_eyes ? list(moved_eyes) : list()
-	var/y1 = max(0, ai.y - 16) & ~(CHUNK_SIZE - 1)
+	if(islist(other_eyes))
-	var/x2 = min(world.maxx, ai.x + 16) & ~(CHUNK_SIZE - 1)
+		other_eyes = (other_eyes - moved_eyes)
-	var/y2 = min(world.maxy, ai.y + 16) & ~(CHUNK_SIZE - 1)
+	else
+		other_eyes = list()
 
-	var/list/visibleChunks = list()
+	var/list/chunks_pre_seen = list()
+	var/list/chunks_post_seen = list()
 
-	for(var/x = x1; x <= x2; x += CHUNK_SIZE)
+	for(var/V in moved_eyes)
-		for(var/y = y1; y <= y2; y += CHUNK_SIZE)
+		var/mob/camera/aiEye/eye = V
-			visibleChunks |= getCameraChunk(x, y, ai.z)
+		if(C)
+			chunks_pre_seen |= eye.visibleCameraChunks
+		// 0xf = 15
+		var/static_range = eye.static_visibility_range
+		var/x1 = max(0, eye.x - static_range) & ~(CHUNK_SIZE - 1)
+		var/y1 = max(0, eye.y - static_range) & ~(CHUNK_SIZE - 1)
+		var/x2 = min(world.maxx, eye.x + static_range) & ~(CHUNK_SIZE - 1)
+		var/y2 = min(world.maxy, eye.y + static_range) & ~(CHUNK_SIZE - 1)
 
-	var/list/remove = ai.visibleCameraChunks - visibleChunks
+		var/list/visibleChunks = list()
-	var/list/add = visibleChunks - ai.visibleCameraChunks
 
-	for(var/chunk in remove)
+		for(var/x = x1; x <= x2; x += CHUNK_SIZE)
-		var/datum/camerachunk/c = chunk
+			for(var/y = y1; y <= y2; y += CHUNK_SIZE)
-		c.remove(ai)
+				visibleChunks |= getCameraChunk(x, y, eye.z)
 
-	for(var/chunk in add)
+		var/list/remove = eye.visibleCameraChunks - visibleChunks
-		var/datum/camerachunk/c = chunk
+		var/list/add = visibleChunks - eye.visibleCameraChunks
-		c.add(ai)
+
+		for(var/chunk in remove)
+			var/datum/camerachunk/c = chunk
+			c.remove(eye, FALSE)
+
+		for(var/chunk in add)
+			var/datum/camerachunk/c = chunk
+			c.add(eye, FALSE)
+
+		if(C)
+			chunks_post_seen |= eye.visibleCameraChunks
+
+	if(C)
+		for(var/V in other_eyes)
+			var/mob/camera/aiEye/eye = V
+			chunks_post_seen |= eye.visibleCameraChunks
+
+		var/list/remove = chunks_pre_seen - chunks_post_seen
+		var/list/add = chunks_post_seen - chunks_pre_seen
+
+		for(var/chunk in remove)
+			var/datum/camerachunk/c = chunk
+			C.images -= c.obscured
+
+		for(var/chunk in add)
+			var/datum/camerachunk/c = chunk
+			C.images += c.obscured
 
 // Updates the chunks that the turf is located in. Use this when obstacles are destroyed or	when doors open.
 

code/modules/mob/living/silicon/ai/freelook/chunk.dm

@@ -20,10 +20,11 @@
 
 // Add an AI eye to the chunk, then update if changed.
 
-/datum/camerachunk/proc/add(mob/camera/aiEye/eye)
+/datum/camerachunk/proc/add(mob/camera/aiEye/eye, add_images = TRUE)
-	var/client/client = eye.GetViewerClient()
+	if(add_images)
-	if(client)
+		var/client/client = eye.GetViewerClient()
-		client.images += obscured
+		if(client)
+			client.images += obscured
 	eye.visibleCameraChunks += src
 	visible++
 	seenby += eye
@@ -32,10 +33,11 @@
 
 // Remove an AI eye from the chunk, then update if changed.
 
-/datum/camerachunk/proc/remove(mob/camera/aiEye/eye)
+/datum/camerachunk/proc/remove(mob/camera/aiEye/eye, remove_images = TRUE)
-	var/client/client = eye.GetViewerClient()
+	if(remove_images)
-	if(client)
+		var/client/client = eye.GetViewerClient()
-		client.images -= obscured
+		if(client)
+			client.images -= obscured
 	eye.visibleCameraChunks -= src
 	seenby -= eye
 	if(visible > 0)

code/modules/mob/living/silicon/ai/freelook/eye.dm

@@ -11,6 +11,7 @@
 	var/mob/living/silicon/ai/ai = null
 	var/relay_speech = FALSE
 	var/use_static = TRUE
+	var/static_visibility_range = 16
 
 // Use this when setting the aiEye's location.
 // It will also stream the chunk that the new loc is in.
@@ -25,8 +26,8 @@
 		else
 			moveToNullspace() // ????
 		if(use_static)
-			GLOB.cameranet.visibility(src)
+			ai.camera_visibility(src)
-		if(ai.client)
+		if(ai.client && !ai.multicam_on)
 			ai.client.eye = src
 		update_parallax_contents()
 		//Holopad
@@ -35,6 +36,8 @@
 			H.move_hologram(ai, T)
 		if(ai.camera_light_on)
 			ai.light_cameras()
+		if(ai.master_multicam)
+			ai.master_multicam.refresh_view()
 
 /mob/camera/aiEye/Move()
 	return 0
@@ -45,20 +48,27 @@
 	return null
 
 /mob/camera/aiEye/proc/RemoveImages()
-	if(use_static)
+	var/client/C = GetViewerClient()
-		for(var/datum/camerachunk/chunk in visibleCameraChunks)
+	if(C && use_static)
-			chunk.remove(src)
+		for(var/V in visibleCameraChunks)
+			var/datum/camerachunk/c = V
+			C.images -= c.obscured
 
 /mob/camera/aiEye/Destroy()
-	ai = null
+	if(ai)
+		ai.all_eyes -= src
+		ai = null
+	for(var/V in visibleCameraChunks)
+		var/datum/camerachunk/c = V
+		c.remove(src)
 	return ..()
 
 /atom/proc/move_camera_by_click()
 	if(isAI(usr))
 		var/mob/living/silicon/ai/AI = usr
-		if(AI.eyeobj && AI.client.eye == AI.eyeobj)
+		if(AI.eyeobj && (AI.multicam_on || (AI.client.eye == AI.eyeobj)) && (AI.eyeobj.z == z))
 			AI.cameraFollow = null
-			if (isturf(src.loc) || isturf(src))
+			if (isturf(loc) || isturf(src))
 				AI.eyeobj.setLoc(src)
 
 // This will move the AIEye. It will also cause lights near the eye to light up, if toggled.
@@ -95,12 +105,19 @@
 
 	if(!eyeobj || !eyeobj.loc || QDELETED(eyeobj))
 		to_chat(src, "ERROR: Eyeobj not found. Creating new eye...")
-		eyeobj = new(loc)
+		create_eye()
-		eyeobj.ai = src
-		eyeobj.name = "[src.name] (AI Eye)" // Give it a name
 
 	eyeobj.setLoc(loc)
 
+/mob/living/silicon/ai/proc/create_eye()
+	if(eyeobj)
+		return
+	eyeobj = new /mob/camera/aiEye()
+	all_eyes += eyeobj
+	eyeobj.ai = src
+	eyeobj.setLoc(loc)
+	eyeobj.name = "[name] (AI Eye)"
+
 /mob/living/silicon/ai/verb/toggle_acceleration()
 	set category = "AI Commands"
 	set name = "Toggle Camera Acceleration"

code/modules/mob/living/silicon/ai/life.dm

@@ -96,6 +96,7 @@
 
 /mob/living/silicon/ai/proc/start_RestorePowerRoutine()
 	to_chat(src, "Backup battery online. Scanners, camera, and radio interface offline. Beginning fault-detection.")
+	end_multicam()
 	sleep(50)
 	var/turf/T = get_turf(src)
 	var/area/AIarea = get_area(src)

code/modules/mob/living/silicon/ai/login.dm

@@ -4,4 +4,6 @@
 		for(var/obj/machinery/ai_status_display/O in GLOB.ai_status_displays) //change status
 			O.mode = 1
 			O.emotion = "Neutral"
+	if(multicam_on)
+		end_multicam()
 	view_core()

code/modules/mob/living/silicon/ai/multicam.dm

@@ -0,0 +1,266 @@
+//Picture in picture
+
+/obj/screen/movable/pic_in_pic/ai
+	var/mob/living/silicon/ai/ai
+	var/mutable_appearance/highlighted_background
+	var/highlighted = FALSE
+	var/mob/camera/aiEye/pic_in_pic/aiEye
+
+/obj/screen/movable/pic_in_pic/ai/Initialize()
+	. = ..()
+	aiEye = new /mob/camera/aiEye/pic_in_pic()
+	aiEye.screen = src
+
+/obj/screen/movable/pic_in_pic/ai/Destroy()
+	set_ai(null)
+	QDEL_NULL(aiEye)
+	return ..()
+
+/obj/screen/movable/pic_in_pic/ai/Click()
+	..()
+	if(ai)
+		ai.select_main_multicam_window(src)
+
+/obj/screen/movable/pic_in_pic/ai/make_backgrounds()
+	..()
+	highlighted_background = new /mutable_appearance()
+	highlighted_background.icon = 'icons/misc/pic_in_pic.dmi'
+	highlighted_background.icon_state = "background_highlight"
+	highlighted_background.layer = SPACE_LAYER
+
+/obj/screen/movable/pic_in_pic/ai/add_background()
+	if((width > 0) && (height > 0))
+		var/matrix/M = matrix()
+		M.Scale(width + 0.5, height + 0.5)
+		M.Translate((width-1)/2 * world.icon_size, (height-1)/2 * world.icon_size)
+		highlighted_background.transform = M
+		standard_background.transform = M
+		add_overlay(highlighted ? highlighted_background : standard_background)
+
+/obj/screen/movable/pic_in_pic/ai/set_view_size(width, height, do_refresh = TRUE)
+	aiEye.static_visibility_range =	(round(max(width, height) / 2) + 1)
+	if(ai)
+		ai.camera_visibility(aiEye)
+	..()
+
+/obj/screen/movable/pic_in_pic/ai/set_view_center(atom/target, do_refresh = TRUE)
+	..()
+	aiEye.setLoc(get_turf(target))
+
+/obj/screen/movable/pic_in_pic/ai/refresh_view()
+	..()
+	aiEye.setLoc(get_turf(center))
+
+/obj/screen/movable/pic_in_pic/ai/proc/highlight()
+	if(highlighted)
+		return
+	highlighted = TRUE
+	cut_overlay(standard_background)
+	add_overlay(highlighted_background)
+
+/obj/screen/movable/pic_in_pic/ai/proc/unhighlight()
+	if(!highlighted)
+		return
+	highlighted = FALSE
+	cut_overlay(highlighted_background)
+	add_overlay(standard_background)
+
+/obj/screen/movable/pic_in_pic/ai/proc/set_ai(mob/living/silicon/ai/new_ai)
+	if(ai)
+		ai.multicam_screens -= src
+		ai.all_eyes -= aiEye
+		if(ai.master_multicam == src)
+			ai.master_multicam = null
+		if(ai.multicam_on)
+			unshow_to(ai.client)
+	ai = new_ai
+	if(new_ai)
+		new_ai.multicam_screens += src
+		ai.all_eyes += aiEye
+		if(new_ai.multicam_on)
+			show_to(new_ai.client)
+
+//Turf, area, and landmark for the viewing room
+
+/turf/open/ai_visible
+	name = ""
+	icon = 'icons/misc/pic_in_pic.dmi'
+	icon_state = "room_background"
+	flags_1 = NOJAUNT_1
+
+/turf/open/ai_visible/Initialize()
+	. = ..()
+	obscured = image(null, src, null)
+
+/area/ai_multicam_room
+	name = "ai_multicam_room"
+	icon_state = "ai_camera_room"
+	dynamic_lighting = DYNAMIC_LIGHTING_DISABLED
+	valid_territory = FALSE
+	ambientsounds = list()
+	blob_allowed = FALSE
+	noteleport = TRUE
+	hidden = TRUE
+	safe = TRUE
+
+GLOBAL_DATUM(ai_camera_room_landmark, /obj/effect/landmark/ai_multicam_room)
+
+/obj/effect/landmark/ai_multicam_room
+	name = "ai camera room"
+	icon = 'icons/mob/landmarks.dmi'
+	icon_state = "x"
+
+/obj/effect/landmark/ai_multicam_room/Initialize()
+	. = ..()
+	qdel(GLOB.ai_camera_room_landmark)
+	GLOB.ai_camera_room_landmark = src
+
+/obj/effect/landmark/ai_multicam_room/Destroy()
+	if(GLOB.ai_camera_room_landmark == src)
+		GLOB.ai_camera_room_landmark = null
+	return ..()
+
+//Dummy camera eyes
+
+/mob/camera/aiEye/pic_in_pic
+	name = "Secondary AI Eye"
+	var/obj/screen/movable/pic_in_pic/ai/screen
+	var/list/cameras_telegraphed = list()
+	var/telegraph_cameras = TRUE
+	var/telegraph_range = 7
+
+/mob/camera/aiEye/pic_in_pic/GetViewerClient()
+	if(screen && screen.ai)
+		return screen.ai.client
+
+/mob/camera/aiEye/pic_in_pic/setLoc(turf/T)
+	if (T)
+		forceMove(T)
+	else
+		moveToNullspace()
+	if(screen && screen.ai)
+		screen.ai.camera_visibility(src)
+	else
+		GLOB.cameranet.visibility(src)
+	update_camera_telegraphing()
+
+/mob/camera/aiEye/pic_in_pic/proc/update_camera_telegraphing()
+	if(!telegraph_cameras)
+		return
+	var/list/obj/machinery/camera/add = list()
+	var/list/obj/machinery/camera/remove = list()
+	var/list/obj/machinery/camera/visible = list()
+	for (var/VV in visibleCameraChunks)
+		var/datum/camerachunk/CC = VV
+		for (var/V in CC.cameras)
+			var/obj/machinery/camera/C = V
+			if (!C.can_use() || (get_dist(C, src) > telegraph_range))
+				continue
+			visible |= C
+
+	add = visible - cameras_telegraphed
+	remove = cameras_telegraphed - visible
+
+	for (var/V in remove)
+		var/obj/machinery/camera/C = V
+		if(QDELETED(C))
+			continue
+		cameras_telegraphed -= C
+		C.in_use_lights--
+		C.update_icon()
+	for (var/V in add)
+		var/obj/machinery/camera/C = V
+		if(QDELETED(C))
+			continue
+		cameras_telegraphed |= C
+		C.in_use_lights++
+		C.update_icon()
+
+/mob/camera/aiEye/pic_in_pic/proc/disable_camera_telegraphing()
+	telegraph_cameras = FALSE
+	for (var/V in cameras_telegraphed)
+		var/obj/machinery/camera/C = V
+		if(QDELETED(C))
+			continue
+		C.in_use_lights--
+		C.update_icon()
+	cameras_telegraphed.Cut()
+
+/mob/camera/aiEye/pic_in_pic/Destroy()
+	disable_camera_telegraphing()
+	return ..()
+
+//AI procs
+
+/mob/living/silicon/ai/proc/drop_new_multicam(silent = FALSE)
+	if(!multicam_allowed)
+		if(!silent)
+			to_chat(src, "<span class='warning'>This action is currently disabled. Contact an administrator to enable this feature.</span>")
+		return
+	if(!eyeobj)
+		return
+	if(multicam_screens.len >= max_multicams)
+		if(!silent)
+			to_chat(src, "<span class='warning'>Cannot place more than [max_multicams] multicamera windows.</span>")
+		return
+	var/obj/screen/movable/pic_in_pic/ai/C = new /obj/screen/movable/pic_in_pic/ai()
+	C.set_view_size(3, 3, FALSE)
+	C.set_view_center(get_turf(eyeobj))
+	C.set_ai(src)
+	if(!silent)
+		to_chat(src, "<span class='notice'>Added new multicamera window.</span>")
+	return C
+
+/mob/living/silicon/ai/proc/toggle_multicam()
+	if(!multicam_allowed)
+		to_chat(src, "<span class='warning'>This action is currently disabled. Contact an administrator to enable this feature.</span>")
+		return
+	if(multicam_on)
+		end_multicam()
+	else
+		start_multicam()
+
+/mob/living/silicon/ai/proc/start_multicam()
+	if(multicam_on || aiRestorePowerRoutine || !isturf(loc))
+		return
+	if(!GLOB.ai_camera_room_landmark)
+		to_chat(src, "<span class='warning'>This function is not available at this time.</span>")
+		return
+	multicam_on = TRUE
+	refresh_multicam()
+	to_chat(src, "<span class='notice'>Multiple-camera viewing mode activated.</span>")
+
+/mob/living/silicon/ai/proc/refresh_multicam()
+	reset_perspective(GLOB.ai_camera_room_landmark)
+	if(client)
+		for(var/V in multicam_screens)
+			var/obj/screen/movable/pic_in_pic/P = V
+			P.show_to(client)
+
+/mob/living/silicon/ai/proc/end_multicam()
+	if(!multicam_on)
+		return
+	multicam_on = FALSE
+	select_main_multicam_window(null)
+	if(client)
+		for(var/V in multicam_screens)
+			var/obj/screen/movable/pic_in_pic/P = V
+			P.unshow_to(client)
+	reset_perspective()
+	to_chat(src, "<span class='notice'>Multiple-camera viewing mode deactivated.</span>")
+
+
+/mob/living/silicon/ai/proc/select_main_multicam_window(obj/screen/movable/pic_in_pic/ai/P)
+	if(master_multicam == P)
+		return
+
+	if(master_multicam)
+		master_multicam.set_view_center(get_turf(eyeobj), FALSE)
+		master_multicam.unhighlight()
+		master_multicam = null
+
+	if(P)
+		P.highlight()
+		eyeobj.setLoc(get_turf(P.center))
+		P.set_view_center(eyeobj)
+		master_multicam = P

tgstation.dme

@@ -181,6 +181,7 @@
 #include "code\_onclick\hud\monkey.dm"
 #include "code\_onclick\hud\movable_screen_objects.dm"
 #include "code\_onclick\hud\parallax.dm"
+#include "code\_onclick\hud\picture_in_picture.dm"
 #include "code\_onclick\hud\plane_master.dm"
 #include "code\_onclick\hud\revenanthud.dm"
 #include "code\_onclick\hud\robot.dm"
@@ -1949,6 +1950,7 @@
 #include "code\modules\mob\living\silicon\ai\life.dm"
 #include "code\modules\mob\living\silicon\ai\login.dm"
 #include "code\modules\mob\living\silicon\ai\logout.dm"
+#include "code\modules\mob\living\silicon\ai\multicam.dm"
 #include "code\modules\mob\living\silicon\ai\say.dm"
 #include "code\modules\mob\living\silicon\ai\vox_sounds.dm"
 #include "code\modules\mob\living\silicon\ai\freelook\cameranet.dm"