Ported action button system from Paradise/tg

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()