fix NoSuchMethodError in resource loader 13w16a-14w21b

Author: SpaceWalkerRS

libraries/resource-loader/resource-loader-mc13w26a-mc1.10.2/src/main/java/net/ornithemc/osl/resource/loader/impl/mixin/client/SimpleResourceAccessor.java

@@ -0,0 +1,16 @@
+package net.ornithemc.osl.resource.loader.impl.mixin.client;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.gen.Accessor;
+
+import net.minecraft.client.resource.SimpleResource;
+import net.minecraft.resource.Identifier;
+
+@Mixin(SimpleResource.class)
+public interface SimpleResourceAccessor {
+
+	// the SimpleResource#getLocation method only exists in 14w25a and above
+	@Accessor("location")
+	Identifier osl$resource_loader$getLocation();
+
+}

libraries/resource-loader/resource-loader-mc13w26a-mc1.10.2/src/main/java/net/ornithemc/osl/resource/loader/impl/mixin/client/TranslationStorageMixin.java

@@ -20,6 +20,7 @@
 import com.llamalad7.mixinextras.sugar.Local;
 
 import net.minecraft.client.resource.Resource;
+import net.minecraft.client.resource.SimpleResource;
 import net.minecraft.client.resource.language.TranslationStorage;
 import net.minecraft.client.resource.manager.ResourceManager;
 import net.minecraft.resource.Identifier;
@@ -57,10 +58,20 @@ public class TranslationStorageMixin {
 		)
 	)
 	private void osl$resource_loader$loadTranslationFiles(TranslationStorage instance, InputStream is, Operation<Void> original, @Local Resource resource) throws IOException{
-		if (resource.getLocation().getPath().endsWith(".lang")){
-			original.call(instance, is); // load .lang
-		} else {
+		boolean loadAsJson = false;
+
+		if (resource instanceof SimpleResource) {
+			Identifier location = ((SimpleResourceAccessor)resource).osl$resource_loader$getLocation();
+
+			if (location.getPath().endsWith(".json")) {
+				loadAsJson = true;
+			}
+		}
+
+		if (loadAsJson){
 			loadJson(is);
+		} else {
+			original.call(instance, is); // load .lang
 		}
 	}