Massive code fix to get the codebase ready to compile in BYOND 500

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

@@ -493,7 +493,7 @@ proc/get_damage_icon_part(damage_state, body_part)
 /mob/living/carbon/human/update_inv_w_uniform(var/update_icons=1)
 	if(w_uniform && istype(w_uniform, /obj/item/clothing/under) )
 		w_uniform.screen_loc = ui_iclothing
-		var/t_color = w_uniform.color
+		var/t_color = w_uniform._color
 		if(!t_color)		t_color = icon_state
 		var/image/lying		= image("icon_state" = "[t_color]_l")
 		var/image/standing	= image("icon_state" = "[t_color]_s")
@@ -507,7 +507,7 @@ proc/get_damage_icon_part(damage_state, body_part)
 			standing.overlays	+= image("icon" = 'icons/effects/blood.dmi', "icon_state" = "uniformblood")
 
 		if(w_uniform:hastie)	//WE CHECKED THE TYPE ABOVE. THIS REALLY SHOULD BE FINE.
-			var/tie_color = w_uniform:hastie.color
+			var/tie_color = w_uniform:hastie._color
 			if(!tie_color) tie_color = w_uniform:hastie.icon_state
 			lying.overlays		+= image("icon" = 'icons/mob/ties.dmi', "icon_state" = "[tie_color]2")
 			standing.overlays	+= image("icon" = 'icons/mob/ties.dmi', "icon_state" = "[tie_color]")

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

@@ -900,7 +900,7 @@ mob/living/carbon/slime/var/temperature_resistance = T0C+75
 	desc = "a golem's skin"
 	icon_state = "golem"
 	item_state = "golem"
-	color = "golem"
+	_color = "golem"
 	has_sensor = 0
 	armor = list(melee = 10, bullet = 0, laser = 0,energy = 0, bomb = 0, bio = 0, rad = 0)
 	canremove = 0
@@ -965,7 +965,7 @@ mob/living/carbon/slime/var/temperature_resistance = T0C+75
 /obj/item/clothing/head/space/golem
 	icon_state = "golem"
 	item_state = "dermal"
-	color = "dermal"
+	_color = "dermal"
 	name = "golem's head"
 	desc = "a golem's head"
 	canremove = 0

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

@@ -207,17 +207,17 @@ var/global/chicken_count = 0
 	attacktext = "kicks"
 	health = 10
 	var/eggsleft = 0
-	var/color
+	var/_color
 	pass_flags = PASSTABLE
 	small = 1
 
 /mob/living/simple_animal/chicken/New()
 	..()
-	if(!color)
-		color = pick( list("brown","black","white") )
-	icon_state = "chicken_[color]"
-	icon_living = "chicken_[color]"
-	icon_dead = "chicken_[color]_dead"
+	if(!_color)
+		_color = pick( list("brown","black","white") )
+	icon_state = "chicken_[_color]"
+	icon_living = "chicken_[_color]"
+	icon_dead = "chicken_[_color]_dead"
 	pixel_x = rand(-6, 6)
 	pixel_y = rand(0, 10)
 	chicken_count += 1

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

@@ -21,7 +21,7 @@
 	response_disarm = "gently pushes aside the"
 	response_harm   = "stamps on the"
 	density = 0
-	var/color //brown, gray and white, leave blank for random
+	var/_color //brown, gray and white, leave blank for random
 	layer = MOB_LAYER
 	min_oxy = 16 //Require atleast 16kPA oxygen
 	minbodytemp = 223		//Below -50 Degrees Celcius
@@ -36,33 +36,33 @@
 
 	if(!ckey && stat == CONSCIOUS && prob(0.5))
 		stat = UNCONSCIOUS
-		icon_state = "mouse_[color]_sleep"
+		icon_state = "mouse_[_color]_sleep"
 		wander = 0
 		speak_chance = 0
 		//snuffles
 	else if(stat == UNCONSCIOUS)
 		if(ckey || prob(1))
 			stat = CONSCIOUS
-			icon_state = "mouse_[color]"
+			icon_state = "mouse_[_color]"
 			wander = 1
 		else if(prob(5))
 			emote("snuffles")
 
 /mob/living/simple_animal/mouse/New()
 	..()
-	if(!color)
-		color = pick( list("brown","gray","white") )
-	icon_state = "mouse_[color]"
-	icon_living = "mouse_[color]"
-	icon_dead = "mouse_[color]_dead"
-	desc = "It's a small [color] rodent, often seen hiding in maintenance areas and making a nuisance of itself."
+	if(!_color)
+		_color = pick( list("brown","gray","white") )
+	icon_state = "mouse_[_color]"
+	icon_living = "mouse_[_color]"
+	icon_dead = "mouse_[_color]_dead"
+	desc = "It's a small [_color] rodent, often seen hiding in maintenance areas and making a nuisance of itself."
 
 
 /mob/living/simple_animal/mouse/proc/splat()
 	src.health = 0
 	src.stat = DEAD
-	src.icon_dead = "mouse_[color]_splat"
-	src.icon_state = "mouse_[color]_splat"
+	src.icon_dead = "mouse_[_color]_splat"
+	src.icon_state = "mouse_[_color]_splat"
 	if(client)
 		client.time_died_as_mouse = world.time
 
@@ -188,15 +188,15 @@
  */
 
 /mob/living/simple_animal/mouse/white
-	color = "white"
+	_color = "white"
 	icon_state = "mouse_white"
 
 /mob/living/simple_animal/mouse/gray
-	color = "gray"
+	_color = "gray"
 	icon_state = "mouse_gray"
 
 /mob/living/simple_animal/mouse/brown
-	color = "brown"
+	_color = "brown"
 	icon_state = "mouse_brown"
 
 //TOM IS ALIVE! SQUEEEEEEEE~K :)