Update scripts/bf2/_settings/StaticObjects_Import.ms, scripts/bf2/alternate_Mesh_Import.ms files

scripts/bf2/_settings/StaticObjects_Import.ms

@@ -30,7 +30,11 @@ global g_bf2Level_IncludeDummies = #( \
 	"e_sAmb_wreckfire",
 	"glow"
 )
-	
+
+-- Meshes that are always to be loaded two-sided, e.g. underground bunkers without fake terrain
+global g_bf2Level_ForceTwoSided = #( \
+    "command_underground"
+)	
 
 -- Textures to be replaced during import for lightmapping, 1st value original, 2nd value replacement, 3rd value to force alpha on mesh
 global g_bf2Level_ReplaceTextures = #( \

scripts/bf2/alternate_Mesh_Import.ms

@@ -1199,6 +1199,15 @@ fn alternate_meshImport fname lightmapInt s =
 	local combinedMats = Multimaterial numsubs:(allBF2Mats.count) name:"BF2Material"
 	local hasRealMat = false
 	local hasForcedAlpha = false
+	local forceTwoSided = false
+	if (lightmapInt == 1) and (g_bf2Level_ForceTwoSided != undefined) do
+	(
+		for testName in g_bf2Level_ForceTwoSided do
+		(
+			pattern = "*" + testName + ".*mesh"
+			if matchPattern fname pattern:pattern do forceTwoSided = True
+		)
+	)
 	for m=1 to allBF2Mats.count do
 	(
 		if allBF2Mats[m] != undefined do
@@ -1268,7 +1277,7 @@ fn alternate_meshImport fname lightmapInt s =
 			(
 				mat.diffuse = (color 230 230 230)
 				mat.ambient = (color 230 230 230)
-				if hasForcedAlpha do mat.twoSided = on
+				if hasForcedAlpha or forceTwoSided do mat.twoSided = on
 			)
 			else
 			(
@@ -1277,7 +1286,17 @@ fn alternate_meshImport fname lightmapInt s =
 		)
 	)
 	
-	if hasRealMat do for obj in allMeshes do	obj.material = combinedMats
+	if hasRealMat then
+	(
+		for obj in allMeshes do	obj.material = combinedMats
+	)
+	else
+	(
+		if forceTwoSided then
+		(
+			for obj in allMeshes do	obj.material = StandardMaterial diffuse:(color 230 230 230) ambient:(color 230 230 230) twoSided:on
+		)
+	)
 
 	return rootHelper
 )