Rename

Signed-off-by: Samisafool <thenerdiestguy@gmail.com>

libraries/launcher/org/prismlauncher/impl/OneSixLauncher.java

@@ -0,0 +1,190 @@
+/* Copyright 2012-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.prismlauncher.impl;
+
+import org.prismlauncher.Launcher;
+import org.prismlauncher.applet.LegacyFrame;
+import org.prismlauncher.utils.Parameters;
+import org.prismlauncher.utils.Utils;
+
+import java.applet.Applet;
+import java.io.File;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public final class OneSixLauncher implements Launcher {
+
+    private static final int DEFAULT_WINDOW_WIDTH = 854;
+    private static final int DEFAULT_WINDOW_HEIGHT = 480;
+
+    private static final Logger LOGGER = Logger.getLogger("OneSixLauncher");
+
+    // parameters, separated from ParamBucket
+    private final List<String> mcParams;
+    private final List<String> traits;
+    private final String appletClass;
+    private final String mainClass;
+    private final String userName, sessionId;
+    private final String windowTitle;
+
+    // secondary parameters
+    private final int winSizeW;
+    private final int winSizeH;
+    private final boolean maximize;
+    private final String cwd;
+
+    private final String serverAddress;
+    private final String serverPort;
+
+    private final ClassLoader classLoader;
+
+    public OneSixLauncher(Parameters params) {
+        classLoader = ClassLoader.getSystemClassLoader();
+
+        mcParams = params.allSafe("param", new ArrayList<String>());
+        mainClass = params.firstSafe("mainClass", "net.minecraft.client.Minecraft");
+        appletClass = params.firstSafe("appletClass", "net.minecraft.client.MinecraftApplet");
+        traits = params.allSafe("traits", new ArrayList<String>());
+
+        userName = params.first("userName");
+        sessionId = params.first("sessionId");
+        windowTitle = params.firstSafe("windowTitle", "Minecraft");
+
+        serverAddress = params.firstSafe("serverAddress", null);
+        serverPort = params.firstSafe("serverPort", null);
+
+        cwd = System.getProperty("user.dir");
+
+        String windowParams = params.firstSafe("windowParams", null);
+
+        if (windowParams != null) {
+            String[] dimStrings = windowParams.split("x");
+
+            if (windowParams.equalsIgnoreCase("max")) {
+                maximize = true;
+
+                winSizeW = DEFAULT_WINDOW_WIDTH;
+                winSizeH = DEFAULT_WINDOW_HEIGHT;
+            } else if (dimStrings.length == 2) {
+                maximize = false;
+
+                winSizeW = Integer.parseInt(dimStrings[0]);
+                winSizeH = Integer.parseInt(dimStrings[1]);
+            } else {
+                throw new IllegalArgumentException("Unexpected window size parameter value: " + windowParams);
+            }
+        } else {
+            maximize = false;
+
+            winSizeW = DEFAULT_WINDOW_WIDTH;
+            winSizeH = DEFAULT_WINDOW_HEIGHT;
+        }
+    }
+
+    private void invokeMain(Class<?> mainClass) throws Exception {
+        Method method = mainClass.getMethod("main", String[].class);
+
+        method.invoke(null, (Object) mcParams.toArray(new String[0]));
+    }
+
+    private void legacyLaunch() throws Exception {
+        // Get the Minecraft Class and set the base folder
+        Class<?> minecraftClass = classLoader.loadClass(mainClass);
+
+        Field baseDirField = Utils.getMinecraftBaseDirField(minecraftClass);
+
+        if (baseDirField == null) {
+            LOGGER.warning("Could not find Minecraft path field.");
+        } else {
+            baseDirField.setAccessible(true);
+
+            baseDirField.set(null, new File(cwd));
+        }
+
+        System.setProperty("minecraft.applet.TargetDirectory", cwd);
+
+        if (!traits.contains("noapplet")) {
+            LOGGER.info("Launching with applet wrapper...");
+
+            try {
+                Class<?> mcAppletClass = classLoader.loadClass(appletClass);
+
+                Applet mcApplet = (Applet) mcAppletClass.getConstructor().newInstance();
+
+                LegacyFrame mcWindow = new LegacyFrame(windowTitle, mcApplet);
+
+                mcWindow.start(
+                        userName,
+                        sessionId,
+                        winSizeW,
+                        winSizeH,
+                        maximize,
+                        serverAddress,
+                        serverPort,
+                        mcParams.contains("--demo")
+                );
+
+                return;
+            } catch (Exception e) {
+                LOGGER.log(Level.SEVERE, "Applet wrapper failed: ", e);
+
+                LOGGER.warning("Falling back to using main class.");
+            }
+        }
+
+        invokeMain(minecraftClass);
+    }
+
+    private void launchWithMainClass() throws Exception {
+        // window size, title and state, onesix
+
+        // FIXME: there is no good way to maximize the minecraft window in onesix.
+        // the following often breaks linux screen setups
+        // mcparams.add("--fullscreen");
+
+        if (!maximize) {
+            mcParams.add("--width");
+            mcParams.add(Integer.toString(winSizeW));
+            mcParams.add("--height");
+            mcParams.add(Integer.toString(winSizeH));
+        }
+
+        if (serverAddress != null) {
+            mcParams.add("--server");
+            mcParams.add(serverAddress);
+            mcParams.add("--port");
+            mcParams.add(serverPort);
+        }
+
+        invokeMain(classLoader.loadClass(mainClass));
+    }
+
+    @Override
+    public void launch() throws Exception {
+        if (traits.contains("legacyLaunch") || traits.contains("alphaLaunch")) {
+            // legacy launch uses the applet wrapper
+            legacyLaunch();
+        } else {
+            // normal launch just calls main()
+            launchWithMainClass();
+        }
+    }
+
+}