MC version ranges

Author: TheRandomLabs

src/main/java/com/therandomlabs/randomlib/TRLUtils.java

@@ -7,6 +7,8 @@
 import net.minecraft.crash.CrashReport;
 import net.minecraft.launchwrapper.Launch;
 import net.minecraft.util.ReportedException;
+import net.minecraftforge.fml.common.versioning.ArtifactVersion;
+import net.minecraftforge.fml.common.versioning.DefaultArtifactVersion;
 import net.minecraftforge.fml.relauncher.FMLInjectionData;
 import net.minecraftforge.fml.relauncher.FMLLaunchHandler;
 import org.apache.commons.lang3.ArrayUtils;
@@ -17,6 +19,8 @@ public final class TRLUtils {
 	public static final boolean IS_CLIENT = FMLLaunchHandler.side().isClient();
 	public static final String MC_VERSION = (String) FMLInjectionData.data()[4];
 	public static final int MC_VERSION_NUMBER = Integer.parseInt(MC_VERSION.split("\\.")[1]);
+	public static final ArtifactVersion MC_ARTIFACT_VERSION =
+			new DefaultArtifactVersion("minecraft", MC_VERSION);
 
 	private static Field modifiers;
 

src/main/java/com/therandomlabs/randomlib/config/Config.java

@@ -63,6 +63,13 @@
 		String value();
 	}
 
+	@Retention(RetentionPolicy.RUNTIME)
+	@Target(ElementType.FIELD)
+	@interface MCVersion {
+		//Version range
+		String value();
+	}
+
 	//Mod ID
 	String value();
 

src/main/java/com/therandomlabs/randomlib/config/ConfigManager.java

@@ -18,6 +18,8 @@
 import net.minecraftforge.fml.client.event.ConfigChangedEvent;
 import net.minecraftforge.fml.common.Loader;
 import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
+import net.minecraftforge.fml.common.versioning.VersionParser;
+import net.minecraftforge.fml.common.versioning.VersionRange;
 import org.apache.commons.lang3.StringUtils;
 
 public final class ConfigManager {
@@ -259,6 +261,10 @@ private static void loadCategories(String languageKeyPrefix, String parentCatego
 				throw new IllegalArgumentException(name + " is not public static final");
 			}
 
+			if(!testVersionRange(field)) {
+				continue;
+			}
+
 			final Class<?> categoryClass = field.getType();
 			final String categoryName = parentCategory + name;
 
@@ -294,6 +300,10 @@ private static void loadCategory(TRLCategory category) {
 				throw new IllegalArgumentException(name + " is not public static non-final");
 			}
 
+			if(!testVersionRange(field)) {
+				continue;
+			}
+
 			final Config.Previous previousData = field.getAnnotation(Config.Previous.class);
 			final String previous = previousData == null ? null : previousData.value();
 
@@ -304,4 +314,21 @@ private static void loadCategory(TRLCategory category) {
 			}
 		}
 	}
+
+	private static boolean testVersionRange(Field field) {
+		final Config.MCVersion mcVersion = field.getAnnotation(Config.MCVersion.class);
+
+		if(mcVersion == null) {
+			return true;
+		}
+
+		final String versionRange = mcVersion.value().trim();
+
+		if(versionRange.isEmpty()) {
+			throw new IllegalArgumentException("Version range must not be empty");
+		}
+
+		final VersionRange range = VersionParser.parseRange(versionRange);
+		return range.containsVersion(TRLUtils.MC_ARTIFACT_VERSION);
+	}
 }

src/test/java/com/therandomlabs/randomlib/test/RandomLibTest.java

@@ -15,7 +15,7 @@
 
 @Mod(
 		modid = RandomLibTest.MOD_ID, name = RandomLibTest.NAME, version = RandomLibTest.VERSION,
-		guiFactory = RandomLibTest.GUI_FACTORY
+		guiFactory = RandomLibTest.GUI_FACTORY, acceptedMinecraftVersions = "[1.8,1.13)"
 )
 public final class RandomLibTest {
 	public static final String MOD_ID = "randomlibtest";

src/test/java/com/therandomlabs/randomlib/test/config/ConfigTest.java

@@ -14,9 +14,11 @@ public static final class Lol {
 			public static boolean test = true;
 		}
 
+		@Config.MCVersion("1.12.2")
 		@Config.Category("lol")
 		public static final Lol lol = null;
 
+		@Config.MCVersion("[1.10,1.11]")
 		@Config.RequiresMCRestart
 		@Config.Property("Whether to enable flying pigs.")
 		public static boolean flyingPigs = true;