diff options
Diffstat (limited to 'libraries/launcher/org/polymc/impl/OneSixLauncher.java')
| -rw-r--r-- | libraries/launcher/org/polymc/impl/OneSixLauncher.java | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/libraries/launcher/org/polymc/impl/OneSixLauncher.java b/libraries/launcher/org/polymc/impl/OneSixLauncher.java new file mode 100644 index 00000000..362ff8d6 --- /dev/null +++ b/libraries/launcher/org/polymc/impl/OneSixLauncher.java @@ -0,0 +1,189 @@ +/* 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.polymc.impl; + +import org.polymc.Launcher; +import org.polymc.applet.LegacyFrame; +import org.polymc.utils.Parameters; +import org.polymc.utils.Utils; + +import java.applet.Applet; +import java.io.File; +import java.lang.reflect.Field; +import java.lang.reflect.Method; +import java.util.Collections; +import java.util.List; +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", Collections.<String>emptyList()); + mainClass = params.firstSafe("mainClass", "net.minecraft.client.Minecraft"); + appletClass = params.firstSafe("appletClass", "net.minecraft.client.MinecraftApplet"); + traits = params.allSafe("traits", Collections.<String>emptyList()); + + 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 + ); + + 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(); + } + } + +} |