From f0494e70fd58a111ea7007cfbb011e7dd4555374 Mon Sep 17 00:00:00 2001
From: Seth Scherer <supernovaa41@gmx.com>
Date: Fri, 25 Mar 2022 23:08:58 -0400
Subject: [PATCH] Makes the heretic worm use the blood walk element (#65658)

* Makes the heretic worm use the blood walk element
It was using a custom proc for this, but we have an element just for
this.

* Update code/modules/mob/living/simple_animal/heretic_monsters.dm

Co-authored-by: John Willard <53777086+JohnFulpWillard@users.noreply.github.com>

* dont need this'

* adds an extra arg the to the element to keep direction

* moves da eement

Co-authored-by: John Willard <53777086+JohnFulpWillard@users.noreply.github.com>
---
 code/datums/elements/blood_walk.dm                    |  8 +++++++-
 .../mob/living/simple_animal/heretic_monsters.dm      | 11 ++---------
 2 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/code/datums/elements/blood_walk.dm b/code/datums/elements/blood_walk.dm
index e27ba3ccc7c..2b37bea1625 100644
--- a/code/datums/elements/blood_walk.dm
+++ b/code/datums/elements/blood_walk.dm
@@ -11,6 +11,8 @@
 	var/sound_volume
 	///The chance of spawning blood whenever walking
 	var/blood_spawn_chance
+	///Should the decal face the direction of the target
+	var/target_dir_change
 
 
 /datum/element/blood_walk/Attach(
@@ -19,6 +21,7 @@
 	sound_played,
 	sound_volume = 80,
 	blood_spawn_chance = 100,
+	target_dir_change = FALSE
 )
 	. = ..()
 	if(!ismovable(target))
@@ -28,6 +31,7 @@
 	src.sound_played = sound_played
 	src.sound_volume = sound_volume
 	src.blood_spawn_chance = blood_spawn_chance
+	src.target_dir_change = target_dir_change
 	RegisterSignal(target, COMSIG_MOVABLE_MOVED, .proc/spread_blood)
 
 /datum/element/blood_walk/Detach(datum/target)
@@ -45,6 +49,8 @@
 	if(!prob(blood_spawn_chance))
 		return
 
-	new blood_type(current_turf)
+	var/obj/effect/decal/blood = new blood_type(current_turf)
+	if (target_dir_change)
+		blood.setDir(movable_source.dir)
 	if(!isnull(sound_played))
 		playsound(movable_source, sound_played, sound_volume, TRUE, 2, TRUE)
diff --git a/code/modules/mob/living/simple_animal/heretic_monsters.dm b/code/modules/mob/living/simple_animal/heretic_monsters.dm
index 94227d3a298..af19683a97f 100644
--- a/code/modules/mob/living/simple_animal/heretic_monsters.dm
+++ b/code/modules/mob/living/simple_animal/heretic_monsters.dm
@@ -187,6 +187,8 @@
 	if(!spawn_bodyparts)
 		return
 
+	AddElement(/datum/element/blood_walk, /obj/effect/decal/cleanable/blood/tracks, target_dir_change = TRUE)
+
 	allow_pulling = TRUE
 	// Sets the hp of the head to be exactly the (length * hp), so the head is de facto the hardest to destroy.
 	maxHealth = worm_length * maxHealth
@@ -251,7 +253,6 @@
 	if(!follow)
 		return
 
-	gib_trail()
 	if(back && back.loc != oldloc)
 		back.Move(oldloc)
 
@@ -261,14 +262,6 @@
 
 	oldloc = loc
 
-/// Creates a tail of blood / gibs as we move.
-/mob/living/simple_animal/hostile/heretic_summon/armsy/proc/gib_trail()
-	if(front) // head makes gibs
-		return
-	var/chosen_decal = pick(typesof(/obj/effect/decal/cleanable/blood/tracks))
-	var/obj/effect/decal/cleanable/blood/gibs/decal = new chosen_decal(drop_location())
-	decal.setDir(dir)
-
 /mob/living/simple_animal/hostile/heretic_summon/armsy/Destroy()
 	if(front)
 		front.icon_state = "armsy_end"