fix: Gradle task runServer now copies the development resource pack f…

…rom the configured version if one doesn't currently exist.

vane-core/src/main/java/org/oddlama/vane/core/resourcepack/ResourcePackDistributor.java

@@ -4,6 +4,7 @@
 import com.google.common.io.Files;
 import java.io.File;
 import java.io.IOException;
+import java.nio.file.StandardCopyOption;
 import java.util.Properties;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
@@ -73,7 +74,15 @@ public ResourcePackDistributor(Context<Core> context) {
 	public void on_enable() {
 		if (localDev) {
 			try {
-				var pack_output = new File("vane-resource-pack.zip");
+				File pack_output = new File("vane-resource-pack.zip");
+				if(!pack_output.exists()) {
+					// assume first clean run, and copy the latest resource pack
+					Properties properties = new Properties();
+					properties.load(Core.class.getResourceAsStream("/vane-core.properties"));
+					var version = properties.getProperty("version");
+					File src_path = new File("..\\docs\\resourcepacks\\v"+version+".zip");
+					Files.copy(src_path, pack_output);
+				}
 				file_watcher = new ResourcePackFileWatcher(this, pack_output);
 				dev_server = new ResourcePackDevServer(this, pack_output);
 				dev_server.serve();