Re-adds support for pixel shifting (#17332)

* Re-adds support for pixel shifting

* Allow rebinding

* fuck

* Reset upon walking

code/__DEFINES/dcs/signals/signals_atom/signals_atom_movement.dm

@@ -36,6 +36,8 @@
 	#define COMSIG_BLOCK_RELAYMOVE (1<<0)
 ///from base of atom/setDir(): (old_dir, new_dir). Called before the direction changes.
 #define COMSIG_ATOM_DIR_CHANGE "atom_dir_change"
+///from base of atom/setShift(): (dir). Called before the shift changes.
+#define COMSIG_ATOM_SHIFT_CHANGE "atom_shift_change"
 /// from /datum/component/singularity/proc/can_move(), as well as /obj/energy_ball/proc/can_move()
 /// if a callback returns `SINGULARITY_TRY_MOVE_BLOCK`, then the singularity will not move to that turf
 #define COMSIG_ATOM_SINGULARITY_TRY_MOVE "atom_singularity_try_move"

code/datums/emotes.dm

@@ -83,7 +83,7 @@
 		return TRUE
 	var/cd = cooldown
 	if (is_keybind)
-		cd = 1 SECONDS // cooldown when used as a keybind
+		cd = 2 SECONDS // cooldown when used as a keybind
 	if(user.emotes_used && user.emotes_used[src] + cd > world.time)
 		return FALSE
 	if(!update)

code/datums/keybinding/mob.dm

@@ -228,3 +228,18 @@
 
 /datum/keybinding/mob/prevent_movement/up(client/user)
 	user.movement_locked = FALSE
+
+
+/datum/keybinding/mob/pixel_shift
+	hotkey_keys = list("CtrlShift")
+	name = "pixel_shift"
+	full_name = "Pixel shift"
+	description = "Allows you to shift your characters by a few pixels"
+
+/datum/keybinding/mob/prevent_movement/down(client/user)
+	user.movement_locked = TRUE // we also set this to ensure we don't move
+	user.pixel_shifting = TRUE
+
+/datum/keybinding/mob/prevent_movement/up(client/user)
+	user.movement_locked = FALSE
+	user.pixel_shifting = FALSE

code/game/atoms.dm

@@ -826,6 +826,31 @@
 	SEND_SIGNAL(src, COMSIG_ATOM_DIR_CHANGE, dir, newdir)
 	dir = newdir
 
+/**
+  * Used to change the pixel shift of an atom
+  */
+/atom/proc/setShift(dir)
+	SHOULD_CALL_PARENT(TRUE)
+	SEND_SIGNAL(src, COMSIG_ATOM_SHIFT_CHANGE, dir)
+
+	var/new_x = pixel_x
+	var/new_y = pixel_y
+	
+	if (dir & NORTH)
+		new_y++
+	
+	if (dir & EAST)
+		new_x++
+	
+	if (dir & SOUTH)
+		new_y--
+	
+	if (dir & WEST)
+		new_x--
+	
+	pixel_x = clamp(new_x, -16, 16)
+	pixel_y = clamp(new_y, -16, 16)
+
 ///Handle melee attack by a mech
 /atom/proc/mech_melee_attack(obj/mecha/M, equip_allowed = TRUE)
 	return

code/modules/client/client_defines.dm

@@ -154,6 +154,8 @@
 	var/list/movement_keys = list()
 	///Are we locking our movement input?
 	var/movement_locked = FALSE
+	///Are we trying to pixel-shift
+	var/pixel_shifting = FALSE
 
 	/// A buffer of currently held keys.
 	var/list/keys_held = list()

code/modules/keybindings/bindings_atom.dm

@@ -15,7 +15,9 @@
 	if((movement_dir & EAST) && (movement_dir & WEST))
 		movement_dir &= ~(EAST|WEST)
 
-	if(user.movement_locked)
+	if (user.pixel_shifting)
+		setShift(movement_dir)
+	else if(user.movement_locked)
 		setDir(movement_dir)
 	else
 		user.Move(get_step(src, movement_dir), movement_dir)

code/modules/mob/mob.dm

@@ -879,81 +879,13 @@
 		return FALSE
 	return ..()
 
-///Hidden verb to turn east
-/mob/verb/eastface()
-	set hidden = TRUE
-	if(!canface())
+/mob/setShift(dir)
+	if (!canface())
 		return FALSE
-	setDir(EAST)
-	client.last_turn = world.time + MOB_FACE_DIRECTION_DELAY
-	return TRUE
 	
-///Hidden verb to turn west
-/mob/verb/westface()
-	set hidden = TRUE
-	if(!canface())
-		return FALSE
-	setDir(WEST)
-	client.last_turn = world.time + MOB_FACE_DIRECTION_DELAY
-	return TRUE
-
-///Hidden verb to turn north
-/mob/verb/northface()
-	set hidden = TRUE
-	if(!canface())
-		return FALSE
-	setDir(NORTH)
-	client.last_turn = world.time + MOB_FACE_DIRECTION_DELAY
-	return TRUE
-
-///Hidden verb to turn south
-/mob/verb/southface()
-	set hidden = TRUE
-	if(!canface())
-		return FALSE
-	setDir(SOUTH)
-	client.last_turn = world.time + MOB_FACE_DIRECTION_DELAY
-	return TRUE
-
-/mob/verb/eastshift()
-    set hidden = TRUE
-    if(!canface())
-        return FALSE
-    if (istype(src,/mob/living/silicon/ai) || istype(src,/mob/camera))
-        return FALSE
-    if(pixel_x <= 16)
-        pixel_x++
 	is_shifted = TRUE
 	
-/mob/verb/westshift()
-    set hidden = TRUE
-    if(!canface())
-        return FALSE
-    if (istype(src,/mob/living/silicon/ai) || istype(src,/mob/camera))
-        return FALSE
-    if(pixel_x >= -16)
-        pixel_x--
-        is_shifted = TRUE
-
-/mob/verb/northshift()
-    set hidden = TRUE
-    if(!canface())
-        return FALSE
-    if (istype(src,/mob/living/silicon/ai) || istype(src,/mob/camera))
-        return FALSE
-    if(pixel_y <= 16)
-        pixel_y++
-        is_shifted = TRUE
-
-/mob/verb/southshift()
-    set hidden = TRUE
-    if(!canface())
-        return FALSE
-    if (istype(src,/mob/living/silicon/ai) || istype(src,/mob/camera))
-        return FALSE
-    if(pixel_y >= -16)
-        pixel_y--
-        is_shifted = TRUE
+	return ..()
 
 ///This might need a rename but it should replace the can this mob use things check
 /mob/proc/IsAdvancedToolUser()