Merge pull request #9701 from Zuhayr/dev-freeze

Fixes #9597

code/modules/materials/material_sheets.dm

@@ -38,13 +38,7 @@
 	if(material.conductive)
 		flags |= CONDUCT
 
-	if(!islist(matter))
-		matter = list()
-	if(material.composite_material)
-		for(var/material_string in material.composite_material)
-			matter[material_string] = material.composite_material[material_string]
-	else
-		matter[material.name] = material.stack_per_sheet
+	matter = material.get_matter()
 	return 1
 
 /obj/item/stack/material/transfer_to(obj/item/stack/S, var/tamount=null, var/type_verified)

code/modules/materials/materials.dm

@@ -104,6 +104,16 @@ var/list/name_to_material
 /material/proc/get_blunt_damage()
 	return weight //todo
 
+// Return the matter comprising this material.
+/material/proc/get_matter()
+	var/list/temp_matter = list()
+	if(islist(composite_material))
+		for(var/material_string in composite_material)
+			temp_matter[material_string] = composite_material[material_string]
+	else if(stack_per_sheet)
+		temp_matter[name] = stack_per_sheet
+	return temp_matter
+
 // As above.
 /material/proc/get_edge_damage()
 	return hardness //todo