Tames Some Exploits (#5099)

* Removed anatomy from heirloom weapon

* Capped vig's reduction of environmental sanity

Having sanity above 72 will no longer allow you to gain sanity by staring at blood and crayon runes.

code/datums/perks/backgrounds.dm

@@ -172,7 +172,7 @@ This is NOT for racial-specific perks, but rather specifically for general backg
 	W.desc += " It has been inscribed with the \"[holder.name]\" family name."
 	W.name = "[W] of [holder.name]"
 	var/oddities = rand(2,4) //Will boost 2-4 random stats
-	var/list/stats = ALL_STATS
+	var/list/stats = ALL_STATS_FOR_LEVEL_UP
 	var/list/final_oddity = list()
 	for(var/i = 1 to oddities)
 		var/stat = pick(stats)

code/modules/sanity/sanity_mob.dm

@@ -9,7 +9,7 @@ GLOBAL_VAR_INIT(GLOBAL_INSIGHT_MOD, 1)
 #define SANITY_VIEW_DAMAGE_MOD (0.4 * GLOB.GLOBAL_SANITY_MOD)
 
 // Damage received from unpleasant stuff in view
-#define SANITY_DAMAGE_VIEW(damage, vig, dist) ((damage) * SANITY_VIEW_DAMAGE_MOD * (1.2 - (vig) / STAT_LEVEL_MAX) * (1 - (dist)/15))
+#define SANITY_DAMAGE_VIEW(damage, vig, dist) ((damage) * SANITY_VIEW_DAMAGE_MOD * max((1.2 - (vig) / STAT_LEVEL_MAX), 0.05) * (1 - (dist)/15))
 
 // Damage received from body damage
 #define SANITY_DAMAGE_HURT(damage, vig) (min((damage) / 5 * SANITY_DAMAGE_MOD * (1.2 - (vig) / STAT_LEVEL_MAX), 60))