Eternity Engine Game Configuration: add & enable UDMF wall/local sidedef brightness (#924)

Build/Configurations/Includes/Eternity_common.cfg

@@ -239,8 +239,12 @@ mapformat_udmf
 	// Enables support for individual offsets of upper/middle/lower sidedef textures
 	localsidedeftextureoffsets = true;
 
-	// Enables setting brightness for floor and ceiling independently from each other
+	// Enables setting brightness for floor, ceiling, and walls independently from each other
 	distinctfloorandceilingbrightness = true;
+	distinctwallbrightness = true;
+
+	// Enabled setting brightness for upper, middle, and lower sidedef independently from each other
+	distinctsidedefpartbrightness = true;
 	
 	// Default nodebuilder configurations
 	defaultsavecompiler = "zdbsp_udmf_normal";

Build/Configurations/Includes/Eternity_misc.cfg

@@ -112,6 +112,42 @@ universalfields
 			default = 0.0;
 		}
 
+		light_top
+		{
+			type = 0;
+			default = 0;
+		}
+
+		lightabsolute_top
+		{
+			type = 3;
+			default = false;
+		}
+
+		light_mid
+		{
+			type = 0;
+			default = 0;
+		}
+
+		lightabsolute_mid
+		{
+			type = 3;
+			default = false;
+		}
+
+		light_bottom
+		{
+			type = 0;
+			default = 0;
+		}
+
+		lightabsolute_bottom
+		{
+			type = 3;
+			default = false;
+		}
+
 		skew_top_type
 		{
 			type = 16;