Create Game Profile Metadata Configuration file for mutable global configurations

build.gradle

@@ -1,3 +1,9 @@
+import groovy.json.JsonBuilder
+import groovy.json.JsonSlurper
+import java.time.LocalDateTime
+import java.time.ZoneOffset
+import java.time.format.DateTimeFormatter
+
 plugins {
     id 'application'
     id 'maven-publish'
@@ -6,7 +12,15 @@ plugins {
 allprojects {
     apply plugin: "java"
 
-    version = "2.2.0"
+    Properties profile = new Properties()
+    profile.load(new FileInputStream(new File(rootDir, "game_profile.conf")))
+
+    ext.id = profile.getProperty("id")
+    ext.stable = Boolean.parseBoolean(profile.getProperty("stable"))
+    ext.branch = profile.getProperty("branch")
+    ext.packVersionResource = Integer.parseInt(profile.getProperty("pack_version_resource"))
+    ext.packVersionData = Integer.parseInt(profile.getProperty("pack_version_data"))
+    ext.worldVersion = Integer.parseInt(profile.getProperty("world_version"))
 
     sourceCompatibility = 8
     [compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
@@ -42,6 +56,24 @@ project(":common") {
 project(":client") {
     archivesBaseName = "minicraft-plus"
 
+    File genDir = new File(project.buildDir, "tmp/generatedResources/")
+    genDir.mkdirs()
+    JsonBuilder json = new JsonBuilder()
+    json id: ext.id,
+            use_editor: false,
+            build_time: LocalDateTime.now().withNano(0).atOffset(ZoneOffset.UTC).format(DateTimeFormatter.ISO_OFFSET_DATE_TIME),
+            stable: ext.stable,
+            branch: ext.branch,
+            world_version: ext.worldVersion,
+            pack_version: [ resource: ext.packVersionResource, data: ext.packVersionData ]
+    File metaFile = new File(genDir.toString(), "profile.meta.json")
+    metaFile.text = json.toString()
+    processResources {
+        from(genDir) {
+            include(metaFile.getName())
+        }
+    }
+
     repositories {
         maven { url "https://plugins.gradle.org/m2/" }
         maven { url "https://jitpack.io" }
@@ -118,3 +150,12 @@ tasks.withType(Tar) {
 tasks.withType(Zip) {
     duplicatesStrategy = DuplicatesStrategy.INCLUDE
 }
+
+// Please configure this in editor run configuration manually for this to work.
+// This should run before build
+project(":client").tasks.register('configEditor') {
+    File metaFile = new File(project.buildDir, "tmp/generatedResources/profile.meta.json")
+    def obj = new JsonSlurper().parse(new File(project.buildDir, "tmp/generatedResources/profile.meta.json"))
+    obj.use_editor = true
+    metaFile.text = new JsonBuilder(obj).toString()
+}

game_profile.conf

@@ -0,0 +1,6 @@
+id=2.3.0
+stable=false
+branch=main
+pack_version_resource=1
+pack_version_data=0
+world_version=1000

src/client/java/minicraft/core/Game.java

@@ -14,18 +14,28 @@
 import minicraft.screen.TitleDisplay;
 import minicraft.util.Logging;
 import org.jetbrains.annotations.Nullable;
-
+import org.json.JSONObject;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.UncheckedIOException;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
 import java.util.ArrayDeque;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Objects;
+import java.util.stream.Collectors;
 
 public class Game {
 	protected Game() {
 	} // Can't instantiate the Game class.
 
 	public static final String NAME = "Minicraft Plus"; // This is the name on the application window.
 
-	public static final Version VERSION = new Version("2.2.0");
+	public static final GameVersion VERSION;
 
 	public static InputHandler input; // Input used in Game, Player, and just about all the *Menu classes.
 	public static Player player;
@@ -91,10 +101,29 @@ public static void quit() {
 		running = false;
 	}
 
-
-	public static void main(String[] args) {
+	static {
 		Thread.setDefaultUncaughtExceptionHandler(CrashHandler::crashHandle);
 
+		InputStream is = Game.class.getResourceAsStream("/profile.meta.json");
+		if (is == null)
+			throw new IllegalStateException("Malformed application setup");
+
+		JSONObject meta = new JSONObject(new BufferedReader(new InputStreamReader(is)).lines().collect(Collectors.joining("\n")));
+		JSONObject packVersion = meta.getJSONObject("pack_version");
+
+		VERSION = new GameVersion(meta.getString("id"), meta.getInt("world_version"),
+			packVersion.getInt("resource"), packVersion.getInt("data"), meta.getBoolean("stable"),
+			meta.getBoolean("use_editor"), meta.getString("series_id"),
+			LocalDateTime.parse(meta.getString("build_time"), DateTimeFormatter.ISO_OFFSET_DATE_TIME));
+
+		try {
+			is.close();
+		} catch (IOException e) {
+			throw new UncheckedIOException(e);
+		}
+	}
+
+	public static void main(String[] args) {
 		Initializer.parseArgs(args); // Parses the command line arguments
 		// Applying Game#debug first.
 

src/client/java/minicraft/core/GameVersion.java

@@ -0,0 +1,112 @@
+package minicraft.core;
+
+import java.time.LocalDateTime;
+
+public final class GameVersion {
+	public final String id;
+	public final int dataVersion;
+	public final int packResourceVersion, packDataVersion;
+	public final boolean stable;
+	public final boolean useEditor;
+	public final String seriesId;
+	public final LocalDateTime buildTime;
+
+	public GameVersion(String id, int dataVersion, int packResourceVersion, int packDataVersion, boolean stable,
+	                   boolean useEditor, String seriesId, LocalDateTime buildTime) {
+		this.id = id;
+		this.dataVersion = dataVersion;
+		this.packResourceVersion = packResourceVersion;
+		this.packDataVersion = packDataVersion;
+		this.stable = stable;
+		this.useEditor = useEditor;
+		this.seriesId = seriesId;
+		this.buildTime = buildTime;
+	}
+
+	public static int mapOldVersionToDataVersion(String version) { // This should be better than using a JSON file.
+		switch (version) {
+			// Versions are not saved in earlier versions, so they are ignored.
+			case "1.9.1": return 100;
+			case "1.9.2": return 101;
+			case "1.9.3-dev1": return 102;
+			case "1.9.3-dev2": return 103;
+			case "1.9.3": return 104;
+			case "1.9.4-dev1": return 105;
+			case "1.9.4-dev2": return 106;
+			case "1.9.4-dev3": return 107;
+			case "1.9.4-dev4": return 108;
+			case "1.9.4-dev5": return 109;
+			case "1.9.4-dev6": return 110;
+			case "1.9.4-dev7": return 111;
+			case "1.9.4": return 112;
+			case "2.0.0-dev1": return 113;
+			case "2.0.0-dev2": return 114;
+			case "2.0.0-dev3": return 115;
+			case "2.0.0": return 116;
+			case "2.0.1-dev1": return 117;
+			case "2.0.1-dev2": return 118;
+			case "2.0.1-dev3": return 119;
+			case "2.0.1-dev4": return 120;
+			case "2.0.1-dev5": return 121;
+			case "2.0.1-dev6": return 122;
+			case "2.0.1-dev7": return 123;
+			case "2.0.1-dev8": return 124;
+			case "2.0.1-dev9": return 125;
+			case "2.0.1": return 126;
+			case "2.0.2-dev1": return 127;
+			case "2.0.2-dev2": return 128;
+			case "2.0.2-dev3": return 129;
+			case "2.0.2": return 130;
+			case "2.0.3-dev1": return 131;
+			case "2.0.3-dev2": return 132;
+			case "2.0.3-dev3": return 133;
+			case "2.0.3-dev4": return 134;
+			case "2.0.3-dev5": return 135;
+			case "2.0.3-dev6": return 136;
+			case "2.0.3": return 137;
+			case "2.0.4-dev1": return 138;
+			case "2.0.4-dev2": return 139;
+			case "2.0.4-dev3": return 140;
+			case "2.0.4-dev4": return 141;
+			case "2.0.4-dev5": return 142;
+			case "2.0.4-dev6": return 143;
+			case "2.0.4-dev7": return 144;
+			case "2.0.4-dev8": return 145;
+			case "2.0.4-dev9": return 146;
+			case "2.0.4": return 147;
+			case "2.0.5-dev1": return 148;
+			case "2.0.5-dev2": return 149;
+			case "2.0.5-dev3": return 150;
+			case "2.0.5-dev4": return 151;
+			case "2.0.5-dev5": return 152;
+			case "2.0.5-dev6": return 153;
+			case "2.0.5": return 154;
+			case "2.0.6-dev1": return 155;
+			case "2.0.6-dev2": return 156;
+			case "2.0.6-dev3": return 157;
+			case "2.0.6-dev4": return 158;
+			case "2.0.6": return 159;
+			case "2.0.7-dev1": return 160;
+			case "2.0.7-dev2": return 161;
+			case "2.0.7-dev3": return 162;
+			case "2.0.7-dev4": return 163;
+			case "2.0.7": return 164;
+			case "2.1.0-dev1": return 165;
+			case "2.1.0-dev2": return 166;
+			case "2.1.0-dev3": return 167;
+			case "2.1.0": return 168;
+			case "2.1.1": return 169;
+			case "2.1.2": return 170;
+			case "2.1.3": return 171;
+			case "2.2.0-dev1": return 172;
+			case "2.2.0-dev2": return 173;
+			case "2.2.0-dev3": return 174;
+			case "2.2.0-dev4": return 175;
+			case "2.2.0-dev5": return 176;
+			case "2.2.0-dev6": return 177;
+			case "2.2.0-dev7": return 178;
+			case "2.2.0": return 179;
+			default: throw new AssertionError(String.format("Missing handle for version \"%s\"", version));
+		}
+	}
+}

src/client/java/minicraft/core/World.java

@@ -104,7 +104,9 @@ public static void resetGame(boolean keepPlayer) {
 	 * This method is used to create a brand new world, or to load an existing one from a file.
 	 * For the loading screen updates to work, it it assumed that *this* is called by a thread *other* than the one rendering the current *menu*.
 	 **/
-	public static void initWorld() { // This is a full reset; everything.
+	public static void initWorld()
+		throws Load.BackupCreationFailedException, Load.WorldLoadingFailedException,
+		Load.UserPromptCancelledException { // This is a full reset; everything.
 		Logging.WORLD.debug("Resetting world...");
 
 		PlayerDeathDisplay.shouldRespawn = false;