s

code/__DEFINES/misc.dm

@@ -427,6 +427,7 @@ GLOBAL_LIST_INIT(pda_reskins, list(PDA_SKIN_CLASSIC = 'icons/obj/pda.dmi', PDA_S
 
 //Dummy mob reserve slots
 #define DUMMY_HUMAN_SLOT_PREFERENCES "dummy_preference_preview"
+#define DUMMY_HUMAN_SLOT_HOLOFORM			"dummy_holoform_generation"
 #define DUMMY_HUMAN_SLOT_ADMIN "admintools"
 #define DUMMY_HUMAN_SLOT_MANIFEST "dummy_manifest_generation"
 
@@ -528,3 +529,9 @@ GLOBAL_LIST_INIT(pda_reskins, list(PDA_SKIN_CLASSIC = 'icons/obj/pda.dmi', PDA_S
 #define FOURSPACES "    "
 
 #define CRYOMOBS 'icons/obj/cryo_mobs.dmi'
+
+#define CUSTOM_HOLOFORM_DELAY		10 SECONDS			//prevents spamming to make lag. it's pretty expensive to do this.
+
+#define HOLOFORM_FILTER_AI		"FILTER_AI"
+#define HOLOFORM_FILTER_PAI		"FILTER_PAI"
+#define HOLOFORM_FILTER_STATIC	"FILTER_STATIC"

code/__HELPERS/custom_holoforms.dm

@@ -0,0 +1,68 @@
+// Generates a holoform appearance
+// Equipment list is slot = path.
+/proc/generate_custom_holoform_from_prefs(datum/preferences/prefs, filter_type = HOLOFORM_FILTER_AI, list/equipment_by_slot, list/inhand_equipment)
+	ASSERT(prefs)
+	var/mob/living/carbon/human/dummy/mannequin = generate_or_wait_for_human_dummy(DUMMY_HUMAN_SLOT_HOLOFORM)
+	prefs.copy_to(mannequin)
+	if(length(equipment_by_slot))
+		LAZYINITLIST(spawned)
+		for(var/slot in equipment_by_slot)
+			var/obj/item/I = new equipment_by_slot[slot]
+			mannequin.equip_to_slot_if_possible(I, slot, TRUE, TRUE, TRUE, TRUE)
+	if(length(inhand_equipment))
+		LAZYINITLIST(spawned)
+		for(var/path in inhand_equipment)
+			var/obj/item/I = new path
+			mannequin.equip_to_slot_if_possible(I, SLOT_IN_HANDS, TRUE, TRUE, TRUE, TRUE)
+	var/icon/result = get_custom_holoform_icon(mannequin, filter_type)
+	unset_busy_human_dummy(DUMMY_HUMAN_SLOT_HOLOFORM)
+	return result
+
+/proc/get_custom_holoform_icon(atom/A, filter_type)
+	var/icon/I = getFlatIcon(A)
+	switch(filter_type)
+		if(HOLOFORM_FILTER_AI)
+			I = getHologramIcon(I)
+		if(HOLOFORM_FILTER_STATIC)
+			I = getStaticIcon(I)
+		if(HOLOFORM_FILTER_PAI)
+			I = getPAIHologramIcon(I)
+	return I
+
+//Errors go to user.
+/proc/generate_custom_holoform_from_prefs_safe(datum/preferences/prefs, filter_type, list/equipment_by_slot, list/inhand_equipment, mob/user)
+	if(user)
+		if(user.prefs.last_custom_holoform < world.time + CUSTOM_HOLOFORM_DELAY)
+			return
+	if(length(equipment_by_slot))
+		for(var/slot in equipment_by_slot)
+			var/path = equipment_by_slot[slot]
+			if(!ispath(path, /obj/item))
+				equipment_by_slot -= slot
+				to_chat(user, "<span class='boldwarning'>[path] is not a valid path and has been removed.</span>")
+				continue
+			else
+				var/obj/item/I = path
+				if(!initial(I.allow_virtual_spawn))
+					equipment_by_slot -= slot
+					to_chat(user, "<span class='boldwarning'>[path] is not an allowed path and has been removed.</span>")
+					continue
+	if(length(inhand_equipment))
+		for(var/path in inhand_equipment)
+			if(!ispath(path, /obj/item))
+				inhand_equipment -= path
+				to_chat(user, "<span class='boldwarning'>[path] is not a valid path and has been removed.</span>")
+				continue
+			else
+				var/obj/item/I = path
+				if(!initial(I.allow_virtual_spawn))
+					inhand_equipment -= slot
+					to_chat(user, "<span class='boldwarning'>[path] is not an allowed path and has been removed.</span>")
+					continue
+	return generate_custom_holoform_from_prefs(prefs, filter_type, equipment_by_slot, inhand_equipment)
+
+//Prompts this client for custom holoform parameters.
+/proc/user_interface_custom_holoform(client/C)
+	var/datum/preferences/target_prefs = C.prefs
+	ASSERT(target_prefs)
+

code/game/objects/items.dm

@@ -109,6 +109,8 @@ GLOBAL_VAR_INIT(rpg_loot_items, FALSE)
 	var/list/grind_results //A reagent list containing the reagents this item produces when ground up in a grinder - this can be an empty list to allow for reagent transferring only
 	var/list/juice_results //A reagent list containing blah blah... but when JUICED in a grinder!
 
+	var/allow_virtual_spawn = TRUE		//allow players to use this in holoforms, which will cause it to be instantiated in nullspace for long enough for us to grab the appearance/icons.
+
 /obj/item/Initialize()
 
 	materials =	typelist("materials", materials)

code/modules/client/preferences.dm

@@ -21,6 +21,9 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 	var/last_ip
 	var/last_id
 
+	var/mutable_appearance/custom_holoform
+	var/last_custom_holoform = 0
+
 	//Cooldowns for saving/loading. These are four are all separate due to loading code calling these one after another
 	var/saveprefcooldown
 	var/loadprefcooldown

code/modules/client/verbs/custom_holoform.dm

@@ -0,0 +1,18 @@
+/client/verb/clear_custom_holoform()
+	set naame = "Clear Custom Holoform"
+	set desc = "Clear your current custom holoform"
+
+	prefs?.custom_holoform = null
+	to_chat(src, "<span class='boldnotice'>Holoform removed.</span>")
+
+/client/verb/set_custom_holoform()
+	set name = "Set Custom Holoform"
+	set desc = "Set your custom holoform using your current preferences slot and a specified set of gear."
+
+	if(prefs.last_custom_holoform < world.time + CUSTOM_HOLOFORM_DELAY)
+		to_chat(src, "<span class='warning'>You are attempting to change custom holoforms too fast!</span>")
+	var/mutable_appearance/new_holoform = user_interface_custom_holoform(src)
+	if(new_holoform)
+		prefs.custom_holoform = new_holoform
+		prefs.last_custom_holoform = world.time
+		to_chat(src, "<span class='boldnotice'>Holoform set.</span>")

code/modules/clothing/clothing.dm

@@ -47,7 +47,6 @@
 	//Add a "exclude" string to do the opposite, making it only only species listed that can't wear it.
 	//You append this to clothing objects.
 
-
 /obj/item/clothing/Initialize()
 	. = ..()
 	if(CHECK_BITFIELD(clothing_flags, VOICEBOX_TOGGLABLE))