Merge pull request #7779 from deathride58/buffednightvision

Buffs and nerfs night vision trait - makes the night vision trait expand your darksight to 7 tiles but increases the night vision trait's lighting plane alpha from 245 to 250

code/__DEFINES/lighting.dm

@@ -58,7 +58,7 @@
 #define LIGHT_RANGE_FIRE		3 //How many tiles standard fires glow.
 
 #define LIGHTING_PLANE_ALPHA_VISIBLE 255
-#define LIGHTING_PLANE_ALPHA_NV_TRAIT 245
+#define LIGHTING_PLANE_ALPHA_NV_TRAIT 250
 #define LIGHTING_PLANE_ALPHA_MOSTLY_VISIBLE 192
 #define LIGHTING_PLANE_ALPHA_MOSTLY_INVISIBLE 128 //For lighting alpha, small amounts lead to big changes. even at 128 its hard to figure out what is dark and what is light, at 64 you almost can't even tell.
 #define LIGHTING_PLANE_ALPHA_INVISIBLE 0

code/modules/surgery/organs/eyes.dm

@@ -28,6 +28,7 @@
 			eye_color = HMN.eye_color
 		if(HMN.has_trait(TRAIT_NIGHT_VISION) && !lighting_alpha)
 			lighting_alpha = LIGHTING_PLANE_ALPHA_NV_TRAIT
+			see_in_dark = 8
 	M.update_tint()
 	owner.update_sight()