chore: baseline subdate2 snapshot for AI refactoring

src/engine/gameManager/ConfigManager.java

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+// • ▌ ▄ ·.  ▄▄▄·  ▄▄ • ▪   ▄▄· ▄▄▄▄·  ▄▄▄·  ▐▄▄▄  ▄▄▄ .
+// ·██ ▐███▪▐█ ▀█ ▐█ ▀ ▪██ ▐█ ▌▪▐█ ▀█▪▐█ ▀█ •█▌ ▐█▐▌·
+// ▐█ ▌▐▌▐█·▄█▀▀█ ▄█ ▀█▄▐█·██ ▄▄▐█▀▀█▄▄█▀▀█ ▐█▐ ▐▌▐▀▀▀
+// ██ ██▌▐█▌▐█ ▪▐▌▐█▄▪▐█▐█▌▐███▌██▄▪▐█▐█ ▪▐▌██▐ █▌▐█▄▄▌
+// ▀▀  █▪▀▀▀ ▀  ▀ ·▀▀▀▀ ▀▀▀·▀▀▀ ·▀▀▀▀  ▀  ▀ ▀▀  █▪ ▀▀▀
+//      Magicbane Emulator Project © 2013 - 2022
+//                www.magicbane.com
+
+package engine.gameManager;
+
+/* This enumeration implements Magicbane's configuration data which
+   is loaded from environment variables.
+ */
+
+import engine.Enum;
+import engine.net.NetMsgHandler;
+import engine.server.login.LoginServer;
+import engine.server.world.WorldServer;
+import org.pmw.tinylog.Logger;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.regex.Pattern;
+
+public enum ConfigManager {
+
+    MB_BIND_ADDR,
+    MB_EXTERNAL_ADDR,
+    // Database connection config
+
+    MB_DATABASE_ADDRESS,
+    MB_DATABASE_PORT,
+    MB_DATABASE_NAME,
+    MB_DATABASE_USER,
+    MB_DATABASE_PASS,
+
+    // Data warehouse remote connection
+
+    MB_WAREHOUSE_ADDR,
+    MB_WAREHOUSE_USER,
+    MB_WAREHOUSE_PASS,
+
+    // Login server config
+
+    MB_LOGIN_PORT,
+    MB_LOGIN_AUTOREG,
+    MB_LOGIN_FNAME_REGEX,
+
+    MB_MAJOR_VER,
+    MB_MINOR_VER,
+
+    // Worldserver configuration
+
+    MB_WORLD_NAME,
+    MB_WORLD_MAPID,
+    MB_WORLD_REALMMAP,
+
+    MB_WORLD_PORT,
+    MB_WORLD_ACCESS_LVL,
+    MB_WORLD_WAREHOUSE_PUSH,
+    MB_WORLD_MAINTENANCE,
+    MB_WORLD_GREETING,
+    MB_WORLD_KEYCLONE_MAX,
+    MB_USE_RUINS,
+
+    // Mobile AI modifiers
+    MB_AI_CAST_FREQUENCY,
+    MB_AI_AGGRO_RANGE,
+
+    //drop rates
+    MB_NORMAL_EXP_RATE,
+    MB_NORMAL_DROP_RATE,
+    MB_NORMAL_GOLD_RATE,
+    MB_HOTZONE_EXP_RATE,
+    MB_HOTZONE_DROP_RATE,
+    MB_HOTZONE_GOLD_RATE,
+    MB_HOTZONE_DURATION,
+
+    MB_HOTZONE_MIN_LEVEL,
+
+    MB_PRODUCTION_RATE,
+
+    // MagicBot configuration.
+
+    MB_MAGICBOT_SERVERID,
+    MB_MAGICBOT_BOTTOKEN,
+    MB_MAGICBOT_ROLEID,
+    MB_MAGICBOT_ANNOUNCE,
+    MB_MAGICBOT_SEPTIC,
+    MB_MAGICBOT_CHANGELOG,
+    MB_MAGICBOT_POLITICAL,
+    MB_MAGICBOT_GENERAL,
+    MB_MAGICBOT_FORTOFIX,
+    MB_MAGICBOT_RECRUIT,
+    MB_MAGICBOT_MAGICBOX,
+    MB_MAGICBOT_ADMINLOG;
+
+    // Map to hold our config pulled in from the environment
+    // We also use the config to point to the current message pump
+    // and determine the server type at runtime.
+
+    public static final String DEFAULT_DATA_DIR = "mb.data/";
+    public static Map<String, String> configMap = new HashMap(System.getenv());
+    public static Enum.ServerType serverType = Enum.ServerType.NONE;
+    public static NetMsgHandler handler;
+    public static WorldServer worldServer;
+    public static LoginServer loginServer;
+    public static Map<ConfigManager, Pattern> regex = new HashMap<>();
+
+    public static String currentRepoBranch = "";
+
+    // Called at bootstrap: ensures that all config values are loaded.
+
+    public static boolean init() {
+
+        Logger.info("Loading config from environment.");
+
+        for (ConfigManager configSetting : ConfigManager.values())
+            if (configMap.containsKey(configSetting.name()))
+                Logger.info(configSetting.name() + ":" + configSetting.getValue());
+            else {
+                Logger.error("Missing Config: " + configSetting.name());
+                Logger.error("This codebase requires >= MagicBox v1.5.1");
+                Logger.error("docker pull magicbane/magicbox:latest");
+                return false;
+            }
+
+        Logger.info("Determine current Repo branch");
+
+        File file = new File("mbbranch.sh");
+
+        if (file.exists() && !file.isDirectory()) {
+
+            String[] command = {"./mbbranch.sh"};
+
+            try {
+
+                Process process = Runtime.getRuntime().exec(command);
+                BufferedReader reader = new BufferedReader(new InputStreamReader(
+                        process.getInputStream()));
+                String string;
+
+                while (true) {
+                    if ((string = reader.readLine()) == null)
+                        break;
+                    currentRepoBranch += string;
+                }
+
+                Logger.info(currentRepoBranch);
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
+        }
+
+        // compile regex here
+
+        Logger.info("Compiling regex");
+
+        regex.put(MB_LOGIN_FNAME_REGEX, Pattern.compile(MB_LOGIN_FNAME_REGEX.getValue()));
+        return true;
+    }
+
+    // Get the value associated with this enumeration
+
+    public String getValue() {
+        return configMap.get(this.name());
+    }
+
+    public void setValue(String value) {
+        configMap.put(this.name(), value);
+    }
+}