refactor is_blocked_turf (#29324)

code/modules/mob/living/basic/farm_animals/deer_ai.dm

@@ -133,7 +133,7 @@
 	var/list/possible_turfs = get_adjacent_open_turfs(target)
 	shuffle_inplace(possible_turfs)
 	for(var/turf/possible_turf as anything in possible_turfs)
-		if(!is_blocked_turf(possible_turf))
+		if(!possible_turf.is_blocked_turf())
 			set_movement_target(controller, possible_turf)
 			return TRUE
 	return FALSE

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

@@ -133,7 +133,7 @@
 				adjustToxLoss(-3)
 
 		T = get_step(T, dir)
-		if(is_blocked_turf(T))
+		if(T.is_blocked_turf())
 			break
 
 /mob/living/carbon/gib()

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

@@ -65,7 +65,7 @@
 	for(var/turf/T in target_turfs)
 		if(isspaceturf(T))
 			continue
-		if(is_blocked_turf(T))
+		if(T.is_blocked_turf())
 			continue
 		if(T.x > world.maxx - 5 || T.x < 5)
 			continue	//putting them at the edge is dumb

code/modules/mob/living/simple_animal/hostile/gorilla/gorilla.dm

@@ -118,7 +118,8 @@
 			movable_target.forceMove(src)
 			return COMPONENT_CANCEL_ATTACK_CHAIN
 
-		if(isturf(target) && !is_blocked_turf(target) && LAZYLEN(crates_in_hand))
+		var/turf/target_turf = target
+		if(istype(target_turf) && !target_turf.is_blocked_turf() && LAZYLEN(crates_in_hand))
 			drop_random_crate(target)
 			return COMPONENT_CANCEL_ATTACK_CHAIN
 

code/modules/mob/living/simple_animal/hostile/megafauna/blood_drunk_miner.dm

@@ -246,7 +246,7 @@ Difficulty: Medium
 		if(get_dist(src, O) >= MINER_DASH_RANGE && turf_dist_to_target <= self_dist_to_target && !islava(O) && !ischasm(O))
 			var/valid = TRUE
 			for(var/turf/T in get_line(own_turf, O))
-				if(is_blocked_turf(T, TRUE))
+				if(T.is_blocked_turf(exclude_mobs = TRUE))
 					valid = FALSE
 					continue
 			if(valid)