to_chat replacing stream operator

code/modules/spells/aoe_turf/charge.dm

@@ -27,9 +27,9 @@
 		for(var/spell/S in M.spell_list)
 			if(!istype(S, /spell/aoe_turf/charge))
 				S.charge_counter = S.charge_max
-		M <<"<span class='notice'>You feel raw magic flowing through you, it feels good!</span>"
+		to_chat(M, "<span class='notice'>You feel raw magic flowing through you, it feels good!</span>")
 	else
-		M <<"<span class='notice'>You feel very strange for a moment, but then it passes.</span>"
+		to_chat(M, "<span class='notice'>You feel very strange for a moment, but then it passes.</span>")
 	return M
 
 /spell/aoe_turf/charge/proc/cast_charge(var/atom/target)

code/modules/spells/aoe_turf/conjure/conjure.dm

@@ -45,7 +45,7 @@ How they spawn stuff is decided by behaviour vars, which are explained below
 		var/atom/summoned_object
 		if(ispath(summoned_object_type,/turf))
 			if(istype(get_turf(user),/turf/simulated/shuttle) || istype(spawn_place, /turf/simulated/shuttle))
-				user << "<span class='warning'>You can't build things on shuttles!</span>"
+				to_chat(user, "<span class='warning'>You can't build things on shuttles!</span>")
 				continue
 			spawn_place.ChangeTurf(summoned_object_type)
 			summoned_object = spawn_place

code/modules/spells/artifacts.dm

@@ -14,10 +14,10 @@
 
 /obj/item/weapon/scrying/attack_self(mob/user as mob)
 	if((user.mind && !wizards.is_antagonist(user.mind)))
-		user << "<span class='warning'>You stare into the orb and see nothing but your own reflection.</span>"
+		to_chat(user, "<span class='warning'>You stare into the orb and see nothing but your own reflection.</span>")
 		return
 
-	user << "<span class='info'>You can see... everything!</span>"
+	to_chat(user, "<span class='info'>You can see... everything!</span>")
 	visible_message("<span class='danger'>[user] stares into [src], their eyes glazing over.</span>")
 	
 	user.teleop = user.ghostize(1)

code/modules/spells/general/area_teleport.dm

@@ -50,7 +50,7 @@
 				L+=T
 
 	if(!L.len)
-		user <<"The spell matrix was unable to locate a suitable teleport destination for an unknown reason. Sorry."
+		to_chat(user, "The spell matrix was unable to locate a suitable teleport destination for an unknown reason. Sorry.")
 		return
 
 	if(user && user.buckled)

code/modules/spells/general/rune_write.dm

@@ -171,5 +171,5 @@
 					R.word3=cultwords["technology"]
 					R.check_icon()
 	else
-		user << "<span class='warning'> You do not have enough space to write a proper rune.</span>"
+		to_chat(user, "<span class='warning'> You do not have enough space to write a proper rune.</span>")
 	return

code/modules/spells/spell_code.dm

@@ -156,7 +156,7 @@ var/list/spells = typesof(/spell) //needed for the badmin verb for now
 	for(var/atom/target in targets)
 		var/location = get_turf(target)
 		if(istype(target,/mob/living) && message)
-			target << text("[message]")
+			to_chat(target, "[message]")
 		if(sparks_spread)
 			var/datum/effect/effect/system/spark_spread/sparks = new /datum/effect/effect/system/spark_spread()
 			sparks.set_up(sparks_amt, 0, location) //no idea what the 0 is
@@ -180,7 +180,7 @@ var/list/spells = typesof(/spell) //needed for the badmin verb for now
 
 	if(!(src in user.spell_list) && holder == user)
 		error("[user] utilized the spell '[src]' without having it.")
-		user << "<span class='warning'>You shouldn't have this spell! Something's wrong.</span>"
+		to_chat(user, "<span class='warning'>You shouldn't have this spell! Something's wrong.</span>")
 		return 0
 
 	if(silenced > 0)
@@ -188,7 +188,7 @@ var/list/spells = typesof(/spell) //needed for the badmin verb for now
 
 	var/turf/user_turf = get_turf(user)
 	if(!user_turf)
-		user << "<span class='warning'>You cannot cast spells in null space!</span>"
+		to_chat(user, "<span class='warning'>You cannot cast spells in null space!</span>")
 
 	if(spell_flags & Z2NOCAST && (user_turf.z in using_map.admin_levels)) //Certain spells are not allowed on the CentCom zlevel
 		return 0
@@ -201,7 +201,7 @@ var/list/spells = typesof(/spell) //needed for the badmin verb for now
 	if(istype(user, /mob/living/simple_mob) && holder == user)
 		var/mob/living/simple_mob/SM = user
 		if(SM.purge)
-			SM << "<span class='warning'>The nullrod's power interferes with your own!</span>"
+			to_chat(SM, "<span class='warning'>The nullrod's power interferes with your own!</span>")
 			return 0
 
 	if(!src.check_charge(skipcharge, user)) //sees if we can cast based on charges alone
@@ -209,12 +209,12 @@ var/list/spells = typesof(/spell) //needed for the badmin verb for now
 
 	if(!(spell_flags & GHOSTCAST) && holder == user)
 		if(user.stat && !(spell_flags & STATALLOWED))
-			usr << "Not when you're incapacitated."
+			to_chat(usr, "Not when you're incapacitated.")
 			return 0
 
 		if(ishuman(user) && !(invocation_type in list(SpI_EMOTE, SpI_NONE)))
 			if(user.is_muzzled())
-				user << "Mmmf mrrfff!"
+				to_chat(user, "Mmmf mrrfff!")
 				return 0
 
 	var/spell/noclothes/spell = locate() in user.spell_list
@@ -229,11 +229,11 @@ var/list/spells = typesof(/spell) //needed for the badmin verb for now
 		switch(charge_type)
 			if(Sp_RECHARGE)
 				if(charge_counter < charge_max)
-					user << still_recharging_msg
+					to_chat(user,still_recharging_msg)
 					return 0
 			if(Sp_CHARGES)
 				if(!charge_counter)
-					user << "<span class='notice'>[name] has no charges left.</span>"
+					to_chat(user, "<span class='notice'>[name] has no charges left.</span>")
 					return 0
 	return 1
 

code/modules/spells/spellbook.dm

@@ -15,7 +15,7 @@
 	if(!user)
 		return
 	if((user.mind && !wizards.is_antagonist(user.mind)))
-		usr << "<span class='warning'>You stare at the book but cannot make sense of the markings!</span>"
+		to_chat(usr, "<span class='warning'>You stare at the book but cannot make sense of the markings!</span>")
 		return
 
 	user.set_machine(src)
@@ -229,7 +229,7 @@
 								H.sight |= (SEE_MOBS|SEE_OBJS|SEE_TURFS)
 								H.see_in_dark = 8
 								H.see_invisible = SEE_INVISIBLE_LEVEL_TWO
-								H << "<span class='notice'>The walls suddenly disappear.</span>"
+								to_chat(H, "<span class='notice'>The walls suddenly disappear.</span>")
 							temp = "You have purchased a scrying orb, and gained x-ray vision."
 							max_uses--
 		else
@@ -261,15 +261,15 @@
 			if(user.mind)
 				// TODO: Update to new antagonist system.
 				if(user.mind.special_role == "apprentice" || user.mind.special_role == "Wizard")
-					user <<"<span class='notice'>You're already far more versed in this spell than this flimsy how-to book can provide.</span>"
+					to_chat(user, "<span class='notice'>You're already far more versed in this spell than this flimsy how-to book can provide.</span>")
 				else
-					user <<"<span class='notice'>You've already read this one.</span>"
+					to_chat(user, "<span class='notice'>You've already read this one.</span>")
 			return
 	if(used)
 		recoil(user)
 	else
 		user.add_spell(S)
-		user <<"<span class='notice'>you rapidly read through the arcane book. Suddenly you realize you understand [spellname]!</span>"
+		to_chat(user, "<span class='notice'>you rapidly read through the arcane book. Suddenly you realize you understand [spellname]!</span>")
 		user.attack_log += text("\[[time_stamp()]\] <font color='orange'>[user.real_name] ([user.ckey]) learned the spell [spellname] ([S]).</font>")
 		onlearned(user)
 
@@ -302,7 +302,7 @@
 
 /obj/item/weapon/spellbook/oneuse/smoke/recoil(mob/user as mob)
 	..()
-	user <<"<span class='caution'>Your stomach rumbles...</span>"
+	to_chat(user, "<span class='caution'>Your stomach rumbles...</span>")
 	if(user.nutrition)
 		user.nutrition -= 200
 		if(user.nutrition <= 0)
@@ -316,7 +316,7 @@
 
 /obj/item/weapon/spellbook/oneuse/blind/recoil(mob/user as mob)
 	..()
-	user <<"<span class='warning'>You go blind!</span>"
+	to_chat(user, "<span class='warning'>You go blind!</span>")
 	user.Blind(10)
 
 /obj/item/weapon/spellbook/oneuse/mindswap
@@ -338,10 +338,10 @@
 		stored_swap = null
 	if(!stored_swap)
 		stored_swap = user
-		user <<"<span class='warning'>For a moment you feel like you don't even know who you are anymore.</span>"
+		to_chat(user, "<span class='warning'>For a moment you feel like you don't even know who you are anymore.</span>")
 		return
 	if(stored_swap == user)
-		user <<"<span class='notice'>You stare at the book some more, but there doesn't seem to be anything else to learn...</span>"
+		to_chat(user, "<span class='notice'>You stare at the book some more, but there doesn't seem to be anything else to learn...</span>")
 		return
 
 	if(user.mind.special_verbs.len)
@@ -370,8 +370,8 @@
 		for(var/V in user.mind.special_verbs)
 			user.verbs += V
 
-	stored_swap <<"<span class='warning'>You're suddenly somewhere else... and someone else?!</span>"
-	user <<"<span class='warning'>Suddenly you're staring at [src] again... where are you, who are you?!</span>"
+	to_chat(stored_swap, "<span class='warning'>You're suddenly somewhere else... and someone else?!</span>")
+	to_chat(user, "<span class='warning'>Suddenly you're staring at [src] again... where are you, who are you?!</span>")
 	stored_swap = null
 
 /obj/item/weapon/spellbook/oneuse/forcewall
@@ -382,7 +382,7 @@
 
 /obj/item/weapon/spellbook/oneuse/forcewall/recoil(mob/user as mob)
 	..()
-	user <<"<span class='warning'>You suddenly feel very solid!</span>"
+	to_chat(user, "<span class='warning'>You suddenly feel very solid!</span>")
 	var/obj/structure/closet/statue/S = new /obj/structure/closet/statue(user.loc, user)
 	S.timer = 30
 	user.drop_item()
@@ -396,7 +396,7 @@
 
 /obj/item/weapon/spellbook/oneuse/knock/recoil(mob/user as mob)
 	..()
-	user <<"<span class='warning'>You're knocked down!</span>"
+	to_chat(user, "<span class='warning'>You're knocked down!</span>")
 	user.Weaken(20)
 
 /obj/item/weapon/spellbook/oneuse/horsemask
@@ -407,7 +407,7 @@
 
 /obj/item/weapon/spellbook/oneuse/horsemask/recoil(mob/living/carbon/user as mob)
 	if(istype(user, /mob/living/carbon/human))
-		user <<"<font size='15' color='red'><b>HOR-SIE HAS RISEN</b></font>"
+		to_chat(user, "<font size='15' color='red'><b>HOR-SIE HAS RISEN</b></font>")
 		var/obj/item/clothing/mask/horsehead/magichead = new /obj/item/clothing/mask/horsehead
 		magichead.canremove = 0		//curses!
 		magichead.flags_inv = null	//so you can still see their face
@@ -416,7 +416,7 @@
 		user.equip_to_slot_if_possible(magichead, slot_wear_mask, 1, 1)
 		qdel(src)
 	else
-		user <<"<span class='notice'>I say thee neigh</span>"
+		to_chat(user, "<span class='notice'>I say thee neigh</span>")
 
 /obj/item/weapon/spellbook/oneuse/charge
 	spell = /spell/aoe_turf/charge
@@ -426,5 +426,5 @@
 
 /obj/item/weapon/spellbook/oneuse/charge/recoil(mob/user as mob)
 	..()
-	user <<"<span class='warning'>[src] suddenly feels very warm!</span>"
+	to_chat(user, "<span class='warning'>[src] suddenly feels very warm!</span>")
 	empulse(src, 1, 1, 1, 1)

code/modules/spells/targeted/ethereal_jaunt.dm

@@ -97,7 +97,7 @@
 		if(!T.contains_dense_objects())
 			last_valid_turf = T
 	else
-		user << "<span class='warning'>Some strange aura is blocking the way!</span>"
+		to_chat(user, "<span class='warning'>Some strange aura is blocking the way!</span>")
 	src.canmove = 0
 	spawn(2) src.canmove = 1
 

code/modules/spells/targeted/harvest.dm

@@ -38,7 +38,7 @@
 				M.forceMove(destination)
 				if(M != user)
 					prey = 1
-		user << "<span class='sinister'>You warp back to Nar-Sie[prey ? " along with your prey":""].</span>"
+		to_chat(user, "<span class='sinister'>You warp back to Nar-Sie[prey ? " along with your prey":""].</span>")
 	else
-		user << "<span class='danger'>...something's wrong!</span>"//There shouldn't be an instance of Harvesters when Nar-Sie isn't in the world.
+		to_chat(user, "<span class='danger'>...something's wrong!</span>")//There shouldn't be an instance of Harvesters when Nar-Sie isn't in the world.
 */

code/modules/spells/targeted/mind_transfer.dm

@@ -24,15 +24,15 @@
 
 	for(var/mob/living/target in targets)
 		if(target.stat == DEAD)
-			user << "You didn't study necromancy back at the Space Wizard Federation academy."
+			to_chat(user, "You didn't study necromancy back at the Space Wizard Federation academy.")
 			continue
 
 		if(!target.key || !target.mind)
-			user << "They appear to be catatonic. Not even magic can affect their vacant mind."
+			to_chat(user, "They appear to be catatonic. Not even magic can affect their vacant mind.")
 			continue
 
 		if(target.mind.special_role in protected_roles)
-			user << "Their mind is resisting your spell."
+			to_chat(user, "Their mind is resisting your spell.")
 			continue
 
 		var/mob/living/victim = target//The target of the spell whos body will be transferred to.
@@ -78,4 +78,4 @@
 
 		//After a certain amount of time the victim gets a message about being in a different body.
 		spawn(msg_wait)
-			caster << "<span class='danger'>You feel woozy and lightheaded. Your body doesn't seem like your own.</span>"
+			to_chat(caster, "<span class='danger'>You feel woozy and lightheaded. Your body doesn't seem like your own.</span>")