smooth movement twaeks

code/modules/client/client_defines.dm

@@ -31,6 +31,7 @@
 	var/datum/preferences/prefs = null
 	var/last_turn = 0
 	var/move_delay = 0
+	var/last_move = 0
 	var/area			= null
 
 	/// Last time we Click()ed. No clicking twice in one tick!

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

@@ -3,7 +3,7 @@
 	real_name = "Unknown"
 	icon = 'icons/mob/human.dmi'
 	icon_state = "caucasian_m"
-	appearance_flags = KEEP_TOGETHER|TILE_BOUND|PIXEL_SCALE
+	SET_APPEARANCE_FLAGS(KEEP_TOGETHER|TILE_BOUND|PIXEL_SCALE)
 
 /mob/living/carbon/human/Initialize()
 	add_verb(src, /mob/living/proc/mob_sleep)

code/modules/mob/mob_defines.dm

@@ -16,9 +16,6 @@
 	attack_hand_unwieldlyness = CLICK_CD_MELEE
 	attack_hand_speed = 0
 
-	/// Was our last move diagonal
-	var/last_move_diagonal = FALSE
-
 	/// What receives our keyboard input. src by default.
 	var/datum/focus
 

code/modules/mob/mob_movement.dm

@@ -96,9 +96,6 @@
 
 	if((direction & (direction - 1)) && mob.loc == n) //moved diagonally successfully
 		add_delay *= 2
-		mob.last_move_diagonal = TRUE
-	else
-		mob.last_move_diagonal = FALSE
 	mob.set_glide_size(DELAY_TO_GLIDE_SIZE(add_delay), FALSE)
 	move_delay += add_delay
 	if(.) // If mob is null here, we deserve the runtime
@@ -109,6 +106,8 @@
 	if(AM && AM.density && !SEND_SIGNAL(L, COMSIG_COMBAT_MODE_CHECK, COMBAT_MODE_ACTIVE) && !ismob(AM))
 		L.setDir(turn(L.dir, 180))
 
+	last_move = world.time
+
 	SEND_SIGNAL(mob, COMSIG_MOB_CLIENT_MOVE, src, direction, n, oldloc, add_delay)
 
 /// Process_Grab(): checks for grab, attempts to break if so. Return TRUE to prevent movement.

code/modules/movespeed/_movespeed_modifier.dm

@@ -224,6 +224,18 @@ GLOBAL_LIST_EMPTY(movespeed_modification_cache)
 	if((diff > 0) && client)
 		if(client.move_delay > world.time + 1.5)
 			client.move_delay -= diff
+		var/timeleft = world.time - client.move_delay
+		var/elapsed = world.time - client.last_move
+		var/glide_size_current = glide_size
+		if((timeleft <= 0) || (elapsed > 20))
+			set_glide_size(16, TRUE)
+			return
+		var/pixels_moved = glide_size_current * elapsed * (1 / world.tick_lag)
+		// calculate glidesize needed to move to the next tile within timeleft deciseconds
+		var/ticks_allowed = timeleft / world.tick_lag
+		var/pixels_per_tick = pixels_moved / ticks_allowed
+		set_glide_size(pixels_per_tick * GLOB.glide_size_multiplier, TRUE)
+
 
 /// Get the move speed modifiers list of the mob
 /mob/proc/get_movespeed_modifiers()