Some uses of ismouse() replaced with isanimal()

world.time used to calculate mouse spawn timer.

Spawn timer now applies to being killed via splat().

code/modules/mob/dead/observer/observer.dm

@@ -263,8 +263,11 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 	set name = "Become mouse"
 	set category = "Ghost"
 
-	if(client.can_spawn_as_mouse == 0)
-		src << "<span class='warning'>You may only spawn again as a mouse more than [mouse_respawn_time] minutes after your death.</span>"
+	var/timedifference = world.time - client.time_died_as_mouse
+	if(client.time_died_as_mouse && timedifference <= mouse_respawn_time * 600)
+		var/timedifference_text
+		timedifference_text = time2text(mouse_respawn_time * 600 - timedifference,"mm:ss")
+		src << "<span class='warning'>You may only spawn again as a mouse more than [mouse_respawn_time] minutes after your death. You have [timedifference_text] left.</span>"
 		return
 
 	//find a viable mouse candidate

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

@@ -461,7 +461,7 @@ It can still be worn/put on as normal.
 */
 /obj/effect/equip_e/human/done()	//TODO: And rewrite this :< ~Carn
 	target.cpr_time = 1
-	if(ismouse(source)) return //mice cannot strip people
+	if(isanimal(source)) return //animals cannot strip people
 	if(!source || !target) return		//Target or source no longer exist
 	if(source.loc != s_loc) return		//source has moved
 	if(target.loc != t_loc) return		//target has moved

code/modules/mob/living/simple_animal/friendly/mouse.dm

@@ -48,6 +48,8 @@
 	src.stat = DEAD
 	src.icon_dead = "mouse_[color]_splat"
 	src.icon_state = "mouse_[color]_splat"
+	if(client)
+		client.time_died_as_mouse = world.time
 
 //copy paste from alien/larva, if that func is updated please update this one also
 /mob/living/simple_animal/mouse/verb/ventcrawl()
@@ -160,15 +162,9 @@
 
 /mob/living/simple_animal/mouse/Die()
 	if(client)
-		client.mouse_respawn_timer()
+		client.time_died_as_mouse = world.time
 	..()
 
-/client/proc/mouse_respawn_timer()
-	can_spawn_as_mouse = 0
-	spawn(mouse_respawn_time * 600)
-		can_spawn_as_mouse = 1
-	return
-
 /*
  * Mouse types
  */