Adds the modsuit Chameleon Module (#23411)

* Adds the modsuit Chameleon Module

* Update code/datums/uplink_items/uplink_general.dm

Co-authored-by: Burzah <116982774+Burzah@users.noreply.github.com>

* Update code/datums/uplink_items/uplink_general.dm

Co-authored-by: Luc <89928798+lewcc@users.noreply.github.com>

* even clearer

* Update code/datums/uplink_items/uplink_general.dm

Co-authored-by: Henri215 <77684085+Henri215@users.noreply.github.com>

---------

Co-authored-by: Burzah <116982774+Burzah@users.noreply.github.com>
Co-authored-by: Luc <89928798+lewcc@users.noreply.github.com>
Co-authored-by: Henri215 <77684085+Henri215@users.noreply.github.com>

code/modules/clothing/chameleon.dm

@@ -648,3 +648,29 @@
 /obj/item/stamp/chameleon/broken/Initialize(mapload)
 	. = ..()
 	chameleon_action.emp_randomise(INFINITY)
+
+/datum/action/item_action/chameleon/change/modsuit/update_item(obj/item/picked_item)
+	. = ..()
+	if(ismodcontrol(target))
+		var/obj/item/mod/control/C = target
+		if(C.current_disguise) //backup check
+			for(var/obj/item/mod/module/chameleon/toreturn in C.contents)
+				toreturn.return_look()
+			return
+		C.current_disguise = TRUE
+		C.item_state = initial(picked_item.item_state)
+		for(var/obj/item/mod/module/chameleon/tosignal in C.contents)
+			tosignal.RegisterSignal(C, COMSIG_MOD_ACTIVATE, TYPE_PROC_REF(/obj/item/mod/module/chameleon, return_look))
+
+/datum/action/item_action/chameleon/change/modsuit/select_look(mob/user)
+	if(ismodcontrol(target))
+		var/obj/item/mod/control/C = target
+		if(C.current_disguise) //backup check
+			for(var/obj/item/mod/module/chameleon/toreturn in C.contents)
+				toreturn.return_look()
+				return
+		if(C.active || C.activating)
+			to_chat(C.wearer, "<span class='warning'>Your suit is already active!</span>")
+			return
+	..()
+

code/modules/mod/mod_control.dm

@@ -90,6 +90,10 @@
 	var/list/mod_overlays = list()
 	/// Is the jetpack on so we should make ion effects?
 	var/jetpack_active = FALSE
+	/// Cham option for when the cham module is installed.
+	var/datum/action/item_action/chameleon/change/modsuit/chameleon_action
+	/// Is the control unit disquised?
+	var/current_disguise = FALSE
 
 /obj/item/mod/control/serialize()
 	var/list/data = ..()
@@ -482,7 +486,8 @@
 	return ..()
 
 /obj/item/mod/control/update_icon_state()
-	icon_state = "[skin]-[base_icon_state][active ? "-sealed" : ""]"
+	if(current_disguise)
+		icon_state = "[skin]-[base_icon_state][active ? "-sealed" : ""]"
 	return ..()
 
 /obj/item/mod/control/proc/set_wearer(mob/living/carbon/human/user)

code/modules/mod/modules/modules_antag.dm

@@ -410,6 +410,57 @@
 /obj/item/mod/module/ert_camera/on_suit_deactivation(deleting = FALSE)
 	QDEL_NULL(camera)
 
+///Chameleon - lets the suit disguise as any item that would fit on that slot.
+/obj/item/mod/module/chameleon
+	name = "MOD chameleon module"
+	desc = "A module using chameleon technology to disguise the suit as another object."
+	icon_state = "chameleon"
+	module_type = MODULE_USABLE
+	complexity = 2
+	incompatible_modules = list(/obj/item/mod/module/chameleon)
+	cooldown_time = 0.5 SECONDS
+	allow_flags = MODULE_ALLOW_INACTIVE
+	origin_tech = "materials=6;bluespace=5;syndicate=1"
+
+/obj/item/mod/module/chameleon/on_install()
+	mod.chameleon_action = new(mod)
+	mod.chameleon_action.chameleon_type = /obj/item/storage/backpack
+	mod.chameleon_action.chameleon_name = "Backpack"
+	mod.chameleon_action.initialize_disguises()
+
+
+/obj/item/mod/module/chameleon/on_uninstall(deleting = FALSE)
+	if(mod.current_disguise)
+		return_look()
+	QDEL_NULL(mod.chameleon_action)
+
+/obj/item/mod/module/chameleon/on_use()
+	if(mod.active || mod.activating)
+		to_chat(mod.wearer, "<span class='warning'>Your suit is already active!</span>")
+		return
+	. = ..()
+	if(!.)
+		return
+	if(mod.current_disguise)
+		return_look()
+		return
+	mod.chameleon_action.select_look(mod.wearer)
+	mod.current_disguise = TRUE
+	RegisterSignal(mod, COMSIG_MOD_ACTIVATE, PROC_REF(return_look))
+
+/obj/item/mod/module/chameleon/proc/return_look()
+	mod.current_disguise = FALSE
+	mod.name = "[mod.theme.name] [initial(mod.name)]"
+	mod.desc = "[initial(mod.desc)] [mod.theme.desc]"
+	mod.icon_state = "[mod.skin]-control"
+	var/list/mod_skin = mod.theme.skins[mod.skin]
+	mod.icon = mod_skin[MOD_ICON_OVERRIDE] || 'icons/obj/clothing/modsuit/mod_clothing.dmi'
+	mod.icon_override = mod_skin[MOD_ICON_OVERRIDE] || 'icons/mob/clothing/modsuit/mod_clothing.dmi'
+	mod.lefthand_file = initial(mod.lefthand_file)
+	mod.righthand_file = initial(mod.righthand_file)
+	mod.wearer.update_inv_back()
+	UnregisterSignal(mod, COMSIG_MOD_ACTIVATE)
+
 ///Energy Shield - Gives you a rechargeable energy shield that nullifies attacks.
 /obj/item/mod/module/energy_shield
 	name = "MOD energy shield module"