diff options
Diffstat (limited to 'libraries/launcher/org/multimc/legacy/LegacyLauncher.java')
| -rw-r--r-- | libraries/launcher/org/multimc/legacy/LegacyLauncher.java | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/libraries/launcher/org/multimc/legacy/LegacyLauncher.java b/libraries/launcher/org/multimc/legacy/LegacyLauncher.java new file mode 100644 index 00000000..347bb1a2 --- /dev/null +++ b/libraries/launcher/org/multimc/legacy/LegacyLauncher.java @@ -0,0 +1,175 @@ +package org.multimc.legacy;/* + * Copyright 2012-2014 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. + */ + +import org.multimc.*; + +import java.applet.Applet; +import java.awt.*; +import java.io.File; +import java.lang.reflect.Field; +import java.net.MalformedURLException; +import java.net.URL; +import java.net.URLClassLoader; + +public class LegacyLauncher implements Launcher +{ + @Override + public int launch(ParamBucket params) + { + String userName, sessionId, windowTitle, windowParams, lwjgl; + String mainClass = "net.minecraft.client.Minecraft"; + try + { + userName = params.first("userName"); + sessionId = params.first("sessionId"); + windowTitle = params.first("windowTitle"); + windowParams = params.first("windowParams"); + lwjgl = params.first("lwjgl"); + } catch (NotFoundException e) + { + System.err.println("Not enough arguments."); + return -1; + } + + String cwd = System.getProperty("user.dir"); + Dimension winSize = new Dimension(854, 480); + boolean maximize = false; + + String[] dimStrings = windowParams.split("x"); + + if (windowParams.equalsIgnoreCase("max")) + { + maximize = true; + } + else if (dimStrings.length == 2) + { + try + { + winSize = new Dimension(Integer.parseInt(dimStrings[0]), Integer.parseInt(dimStrings[1])); + } catch (NumberFormatException ignored) {} + } + + File binDir = new File(cwd, "bin"); + File lwjglDir; + if (lwjgl.equalsIgnoreCase("Mojang")) + { + lwjglDir = binDir; + } + else + { + lwjglDir = new File(lwjgl); + } + + URL[] classpath; + { + try + { + classpath = new URL[] + { + new File(binDir, "minecraft.jar").toURI().toURL(), + new File(lwjglDir, "lwjgl.jar").toURI().toURL(), + new File(lwjglDir, "lwjgl_util.jar").toURI().toURL(), + new File(lwjglDir, "jinput.jar").toURI().toURL(), + }; + } catch (MalformedURLException e) + { + System.err.println("Class path entry is badly formed:"); + e.printStackTrace(System.err); + return -1; + } + } + + String nativesDir = new File(lwjglDir, "natives").toString(); + + System.setProperty("org.lwjgl.librarypath", nativesDir); + System.setProperty("net.java.games.input.librarypath", nativesDir); + + // print the pretty things + { + Utils.log("Main Class:"); + Utils.log(" " + mainClass); + Utils.log(); + + Utils.log("Class Path:"); + for (URL s : classpath) + { + Utils.log(" " + s); + } + Utils.log(); + + Utils.log("Native Path:"); + Utils.log(" " + nativesDir); + Utils.log(); + } + + URLClassLoader cl = new URLClassLoader(classpath, LegacyLauncher.class.getClassLoader()); + + // Get the Minecraft Class and set the base folder + Class<?> mc; + try + { + mc = cl.loadClass(mainClass); + + Field f = Utils.getMCPathField(mc); + + if (f == null) + { + System.err.println("Could not find Minecraft path field. Launch failed."); + return -1; + } + + f.setAccessible(true); + f.set(null, new File(cwd)); + } catch (Exception e) + { + System.err.println("Could not set base folder. Failed to find/access Minecraft main class:"); + e.printStackTrace(System.err); + return -1; + } + + System.setProperty("minecraft.applet.TargetDirectory", cwd); + + String[] mcArgs = new String[2]; + mcArgs[0] = userName; + mcArgs[1] = sessionId; + + Utils.log("Launching with applet wrapper..."); + try + { + Class<?> MCAppletClass = cl.loadClass("net.minecraft.client.MinecraftApplet"); + Applet mcappl = (Applet) MCAppletClass.newInstance(); + LegacyFrame mcWindow = new LegacyFrame(windowTitle); + mcWindow.start(mcappl, userName, sessionId, winSize, maximize); + } catch (Exception e) + { + Utils.log("Applet wrapper failed:", "Error"); + e.printStackTrace(System.err); + Utils.log(); + Utils.log("Falling back to compatibility mode."); + try + { + mc.getMethod("main", String[].class).invoke(null, (Object) mcArgs); + } catch (Exception e1) + { + Utils.log("Failed to invoke the Minecraft main class:", "Fatal"); + e1.printStackTrace(System.err); + return -1; + } + } + + return 0; + } +} |