Ported action button system from Paradise/tg

code/modules/clothing/clothing.dm

@@ -250,11 +250,6 @@ BLIND     // can't see anything
 	var/brightness_on
 	var/on = 0
 
-/obj/item/clothing/head/New()
-	..()
-	if(!icon_action_button && brightness_on)
-		icon_action_button = "[icon_state]"
-
 /obj/item/clothing/head/attack_self(mob/user)
 	if(brightness_on)
 		if(!isturf(user.loc))
@@ -382,19 +377,19 @@ BLIND     // can't see anything
 	var/displays_id = 1
 	var/rolled_down = -1 //0 = unrolled, 1 = rolled, -1 = cannot be toggled
 	sprite_sheets = list("Vox" = 'icons/mob/species/vox/uniform.dmi')
-	
+
 	//convenience var for defining the icon state for the overlay used when the clothing is worn.
 	//Also used by rolling/unrolling.
 	var/worn_state = null
 
 /obj/item/clothing/under/New()
 	if(worn_state)
-		if(!item_state_slots) 
+		if(!item_state_slots)
 			item_state_slots = list()
 		item_state_slots[slot_w_uniform_str] = worn_state
 	else
 		worn_state = icon_state
-		
+
 	//autodetect rollability
 	if(rolled_down < 0)
 		if((worn_state + "_d_s") in icon_states('icons/mob/uniform.dmi'))
@@ -458,10 +453,10 @@ BLIND     // can't see anything
 
 		if (( usr.restrained() ) || ( usr.stat ))
 			return
-		
+
 		if (!usr.unEquip(src))
 			return
-		
+
 		switch(over_object.name)
 			if("r_hand")
 				usr.put_in_r_hand(src)
@@ -544,7 +539,7 @@ BLIND     // can't see anything
 	if(rolled_down < 0)
 		usr << "<span class='notice'>You cannot roll down [src]!</span>"
 		return
-	
+
 	rolled_down = !rolled_down
 	if(rolled_down)
 		body_parts_covered &= LOWER_TORSO|LEGS|FEET

code/modules/clothing/glasses/glasses.dm

@@ -37,7 +37,7 @@
 	desc = "Used for seeing walls, floors, and stuff through anything."
 	icon_state = "meson"
 	item_state = "glasses"
-	icon_action_button = "action_meson" //This doesn't actually matter, the action button is generated from the current icon_state. But, this is the only way to get it to show up.
+	action_button_name = "Toggle Goggles"
 	origin_tech = list(TECH_MAGNET = 2, TECH_ENGINERING = 2)
 	toggleable = 1
 	vision_flags = SEE_TURFS
@@ -57,7 +57,6 @@
 	icon_state = "purple"
 	item_state = "glasses"
 	toggleable = 1
-	icon_action_button = "action_science"
 
 /obj/item/clothing/glasses/science/New()
 	..()
@@ -76,7 +75,6 @@
 	origin_tech = list(TECH_MAGNET = 2)
 	darkness_view = 7
 	toggleable = 1
-	icon_action_button = "action_nvg"
 	off_state = "denight"
 
 /obj/item/clothing/glasses/night/New()
@@ -102,7 +100,6 @@
 	desc = "Very confusing glasses."
 	icon_state = "material"
 	item_state = "glasses"
-	icon_action_button = "action_material"
 	origin_tech = list(TECH_MAGNET = 3, TECH_ENGINERING = 3)
 	toggleable = 1
 	vision_flags = SEE_OBJS
@@ -147,7 +144,7 @@
 	desc = "Protects the eyes from welders, approved by the mad scientist association."
 	icon_state = "welding-g"
 	item_state = "welding-g"
-	icon_action_button = "action_welding_g"
+	action_button_name = "Flip Welding Goggles"
 	var/up = 0
 
 /obj/item/clothing/glasses/welding/attack_self()
@@ -182,7 +179,6 @@
 	desc = "Welding goggles made from more expensive materials, strangely smells like potatoes."
 	icon_state = "rwelding-g"
 	item_state = "rwelding-g"
-	icon_action_button = "action_welding_g"
 
 /obj/item/clothing/glasses/sunglasses/blindfold
 	name = "blindfold"
@@ -223,7 +219,6 @@
 	item_state = "glasses"
 	origin_tech = list(TECH_MAGNET = 3)
 	toggleable = 1
-	icon_action_button = "action_thermal"
 	vision_flags = SEE_MOBS
 	invisa_view = 2
 
@@ -249,12 +244,12 @@
 	name = "Optical Meson Scanner"
 	desc = "Used for seeing walls, floors, and stuff through anything."
 	icon_state = "meson"
-	origin_tech = list(TECH_MAGNET = 3, TECH_ILLEGAL = 4)
+	origin_tech = list(TECH_MAGNET = 3, TECH_ILLEGAL = 4)
 
 /obj/item/clothing/glasses/thermal/plain
 	toggleable = 0
 	activation_sound = null
-	icon_action_button = ""
+	action_button_name = null
 
 /obj/item/clothing/glasses/thermal/plain/monocle
 	name = "Thermoncle"

code/modules/clothing/head/misc_special.dm

@@ -22,7 +22,7 @@
 	armor = list(melee = 10, bullet = 0, laser = 0,energy = 0, bomb = 0, bio = 0, rad = 0)
 	flags_inv = (HIDEMASK|HIDEEARS|HIDEEYES|HIDEFACE)
 	body_parts_covered = HEAD|FACE|EYES
-	icon_action_button = "action_welding"
+	action_button_name = "Flip Welding Mask"
 	siemens_coefficient = 0.9
 	w_class = 3
 
@@ -48,7 +48,7 @@
 			flags_inv &= ~(HIDEMASK|HIDEEARS|HIDEEYES|HIDEFACE)
 			icon_state = "[initial(icon_state)]up"
 			usr << "You push the [src] up out of your face."
-		update_clothing_icon()	//so our mob-overlays 
+		update_clothing_icon()	//so our mob-overlays
 		usr.update_action_buttons()
 
 

code/modules/clothing/shoes/magboots.dm

@@ -7,11 +7,10 @@
 	overshoes = 1
 	var/magpulse = 0
 	var/icon_base = "magboots"
-	icon_action_button = "action_blank"
-	action_button_name = "Toggle the magboots"
+	action_button_name = "Toggle Magboots"
 	var/obj/item/clothing/shoes/shoes = null	//Undershoes
 	var/mob/living/carbon/human/wearer = null	//For shoe procs
-	
+
 /obj/item/clothing/shoes/magboots/proc/set_slowdown()
 	slowdown = shoes? max(SHOES_SLOWDOWN, shoes.slowdown): SHOES_SLOWDOWN	//So you can't put on magboots to make you walk faster.
 	if (magpulse)
@@ -37,7 +36,7 @@
 
 /obj/item/clothing/shoes/magboots/mob_can_equip(mob/user)
 	var/mob/living/carbon/human/H = user
-	
+
 	if(H.shoes)
 		shoes = H.shoes
 		if(shoes.overshoes)

code/modules/clothing/spacesuits/spacesuits.dm

@@ -20,6 +20,7 @@
 	var/obj/machinery/camera/camera
 	var/list/camera_networks
 
+	action_button_name = "Toggle Helmet Light"
 	light_overlay = "helmet_light"
 	brightness_on = 4
 	on = 0
@@ -28,9 +29,6 @@
 
 	if(!camera && camera_networks)
 
-		if(!icon_action_button)
-			icon_action_button = "[icon_state]"
-
 		camera = new /obj/machinery/camera(src)
 		camera.replace_networks(camera_networks)
 		camera.c_tag = user.name

code/modules/mob/living/carbon/alien/life.dm

@@ -27,6 +27,7 @@
 
 	//Status updates, death etc.
 	handle_regular_status_updates()
+	handle_actions()
 	update_canmove()
 	update_icons()
 

code/modules/mob/living/carbon/brain/life.dm

@@ -27,6 +27,7 @@
 	//Status updates, death etc.
 	handle_regular_status_updates()
 	update_canmove()
+	handle_actions()
 
 	if(client)
 		handle_regular_hud_updates()

code/modules/mob/living/carbon/human/inventory.dm

@@ -315,7 +315,7 @@ This saves us from having to call add_fingerprint() any time something is put in
 
 	W.layer = 20
 
-	if(W.icon_action_button)
+	if(W.action_button_name)
 		update_action_buttons()
 
 	return 1

code/modules/mob/living/carbon/human/life.dm

@@ -117,6 +117,7 @@
 
 	//Status updates, death etc.
 	handle_regular_status_updates()		//Optimized a bit
+	handle_actions()
 	update_canmove()
 
 	//Update our name based on whether our face is obscured/disfigured
@@ -242,7 +243,7 @@
 					src << "<span class='danger'>Your hand won't respond properly, you drop what you're holding!</span>"
 					drop_item()
 			if(getBrainLoss() >= 45)
-				if(10 <= rn && rn <= 12) 
+				if(10 <= rn && rn <= 12)
 					if(prob(50))
 						src << "<span class='danger'>You suddenly black out!</span>"
 						Paralyse(10)
@@ -1035,12 +1036,12 @@
 						blinded = 1
 
 			// Check everything else.
-			
+
 			//Vision
 			var/obj/item/organ/vision
 			if(species.vision_organ)
 				vision = internal_organs_by_name[species.vision_organ]
-			
+
 			if(!vision) // Presumably if a species has no vision organs, they see via some other means.
 				eye_blind =  0
 				blinded =    0
@@ -1049,7 +1050,7 @@
 				eye_blind =  1
 				blinded =    1
 				eye_blurry = 1
-			else 
+			else
 				//blindness
 				if(sdisabilities & BLIND) // Disabled-blind, doesn't get better on its own
 					blinded =    1
@@ -1059,7 +1060,7 @@
 				else if(istype(glasses, /obj/item/clothing/glasses/sunglasses/blindfold))	//resting your eyes with a blindfold heals blurry eyes faster
 					eye_blurry = max(eye_blurry-3, 0)
 					blinded =    1
-				
+
 				//blurry sight
 				if(vision.is_bruised())   // Vision organs impaired? Permablurry.
 					eye_blurry = 1

code/modules/mob/living/carbon/metroid/life.dm

@@ -28,6 +28,7 @@
 		handle_environment(environment) // Handle temperature/pressure differences between body and environment
 
 	handle_regular_status_updates() // Status updates, death etc.
+	handle_actions()
 
 /mob/living/carbon/slime/proc/handle_environment(datum/gas_mixture/environment)
 	if(!environment)

code/modules/mob/living/living_defense.dm

@@ -247,6 +247,81 @@
 	//Scale quadratically so that single digit numbers of fire stacks don't burn ridiculously hot.
 	return round(FIRESUIT_MAX_HEAT_PROTECTION_TEMPERATURE*(fire_stacks/FIRE_MAX_FIRESUIT_STACKS)**2)
 
+/mob/living/regular_hud_updates()
+	..()
+	update_action_buttons()
+
+/mob/living/proc/handle_actions()
+	//Pretty bad, i'd use picked/dropped instead but the parent calls in these are nonexistent
+	for(var/datum/action/A in actions)
+		if(A.CheckRemoval(src))
+			A.Remove(src)
+	for(var/obj/item/I in src)
+		if(I.action_button_name)
+			if(!I.action)
+				if(I.action_button_is_hands_free)
+					I.action = new/datum/action/item_action/hands_free
+				else
+					I.action = new/datum/action/item_action
+				I.action.name = I.action_button_name
+				I.action.target = I
+			I.action.Grant(src)
+	return
+
+/mob/living/update_action_buttons()
+	if(!hud_used) return
+	if(!client) return
+
+	if(hud_used.hud_shown != 1)	//Hud toggled to minimal
+		return
+
+	client.screen -= hud_used.hide_actions_toggle
+	for(var/datum/action/A in actions)
+		if(A.button)
+			client.screen -= A.button
+
+	if(hud_used.action_buttons_hidden)
+		if(!hud_used.hide_actions_toggle)
+			hud_used.hide_actions_toggle = new(hud_used)
+			hud_used.hide_actions_toggle.UpdateIcon()
+
+		if(!hud_used.hide_actions_toggle.moved)
+			hud_used.hide_actions_toggle.screen_loc = hud_used.ButtonNumberToScreenCoords(1)
+			//hud_used.SetButtonCoords(hud_used.hide_actions_toggle,1)
+
+		client.screen += hud_used.hide_actions_toggle
+		return
+
+	var/button_number = 0
+	for(var/datum/action/A in actions)
+		button_number++
+		if(A.button == null)
+			var/obj/screen/movable/action_button/N = new(hud_used)
+			N.owner = A
+			A.button = N
+
+		var/obj/screen/movable/action_button/B = A.button
+
+		B.UpdateIcon()
+
+		B.name = A.UpdateName()
+
+		client.screen += B
+
+		if(!B.moved)
+			B.screen_loc = hud_used.ButtonNumberToScreenCoords(button_number)
+			//hud_used.SetButtonCoords(B,button_number)
+
+	if(button_number > 0)
+		if(!hud_used.hide_actions_toggle)
+			hud_used.hide_actions_toggle = new(hud_used)
+			hud_used.hide_actions_toggle.InitialiseIcon(src)
+		if(!hud_used.hide_actions_toggle.moved)
+			hud_used.hide_actions_toggle.screen_loc = hud_used.ButtonNumberToScreenCoords(button_number+1)
+			//hud_used.SetButtonCoords(hud_used.hide_actions_toggle,button_number+1)
+		client.screen += hud_used.hide_actions_toggle
+
+
 //If simple_animals are ever moved under carbon, then this can probably be moved to carbon as well
 /mob/living/proc/attack_throat(obj/item/W, obj/item/weapon/grab/G, mob/user)
 	

code/modules/mob/living/living_defines.dm

@@ -34,6 +34,7 @@
 	var/mob_always_swap = 0
 
 	var/mob/living/cameraFollow = null
+	var/list/datum/action/actions = list()
 
 	var/tod = null // Time of death
 	var/update_slimes = 1

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

@@ -10,6 +10,7 @@
 	//Status updates, death etc.
 	clamp_values()
 	handle_regular_status_updates()
+	handle_actions()
 
 	if(client)
 		handle_regular_hud_updates()