1 files changed, 40 insertions, 0 deletions
diff --git a/src/net/minecraft/MinecraftLauncher.java b/src/net/minecraft/MinecraftLauncher.java
new file mode 100644
index 0000000..14d2e5f
--- /dev/null
+++ b/src/net/minecraft/MinecraftLauncher.java
@@ -0,0 +1,40 @@
+package net.minecraft;
+
+import java.util.ArrayList;
+
+public class MinecraftLauncher {
+	private static final int MIN_HEAP = 511;
+	private static final int RECOMMENDED_HEAP = 1024;
+
+	public static void main(String[] args) throws Exception {
+		float heapSizeMegs = (float) (Runtime.getRuntime().maxMemory() / 1024L / 1024L);
+
+		if (heapSizeMegs > 511.0F) {
+			LauncherFrame.main(args);
+		} else {
+			try {
+				String pathToJar = MinecraftLauncher.class.getProtectionDomain().getCodeSource().getLocation().toURI().getPath();
+
+				ArrayList<String> params = new ArrayList<String>();
+
+				params.add("javaw");
+				params.add("-Xmx1024m");
+				params.add("-Dsun.java2d.noddraw=true");
+				params.add("-Dsun.java2d.d3d=false");
+				params.add("-Dsun.java2d.opengl=false");
+				params.add("-Dsun.java2d.pmoffscreen=false");
+
+				params.add("-classpath");
+				params.add(pathToJar);
+				params.add("net.minecraft.LauncherFrame");
+				ProcessBuilder pb = new ProcessBuilder(params);
+				Process process = pb.start();
+				if (process == null) throw new Exception("!");
+				System.exit(0);
+			} catch (Exception e) {
+				e.printStackTrace();
+				LauncherFrame.main(args);
+			}
+		}
+	}
+}