96 lines
3.1 KiB
Java
96 lines
3.1 KiB
Java
|
/* 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 java.lang.invoke.MethodHandle;
|
||
|
import java.lang.invoke.MethodHandles;
|
||
|
import java.lang.invoke.MethodType;
|
||
|
import java.util.ArrayList;
|
||
|
import java.util.Collections;
|
||
|
import java.util.List;
|
||
|
|
||
|
import org.prismlauncher.Launcher;
|
||
|
import org.prismlauncher.exception.ParseException;
|
||
|
import org.prismlauncher.utils.Parameters;
|
||
|
|
||
|
public abstract class AbstractLauncher implements Launcher {
|
||
|
|
||
|
private static final int DEFAULT_WINDOW_WIDTH = 854;
|
||
|
private static final int DEFAULT_WINDOW_HEIGHT = 480;
|
||
|
|
||
|
// parameters, separated from ParamBucket
|
||
|
protected final List<String> mcParams;
|
||
|
private final String mainClass;
|
||
|
|
||
|
// secondary parameters
|
||
|
protected final int width;
|
||
|
protected final int height;
|
||
|
protected final boolean maximize;
|
||
|
|
||
|
protected final String serverAddress, serverPort;
|
||
|
|
||
|
protected final ClassLoader classLoader;
|
||
|
|
||
|
public AbstractLauncher(Parameters params) {
|
||
|
classLoader = ClassLoader.getSystemClassLoader();
|
||
|
|
||
|
mcParams = params.allSafe("param", new ArrayList<String>());
|
||
|
mainClass = params.firstSafe("mainClass", "net.minecraft.client.Minecraft");
|
||
|
|
||
|
serverAddress = params.firstSafe("serverAddress", null);
|
||
|
serverPort = params.firstSafe("serverPort", null);
|
||
|
|
||
|
String windowParams = params.firstSafe("windowParams", null);
|
||
|
|
||
|
if ("max".equals(windowParams) || windowParams == null) {
|
||
|
maximize = windowParams != null;
|
||
|
|
||
|
width = DEFAULT_WINDOW_WIDTH;
|
||
|
height = DEFAULT_WINDOW_HEIGHT;
|
||
|
} else {
|
||
|
maximize = false;
|
||
|
|
||
|
int byIndex = windowParams.indexOf('x');
|
||
|
|
||
|
if (byIndex != -1) {
|
||
|
try {
|
||
|
width = Integer.parseInt(windowParams.substring(0, byIndex));
|
||
|
height = Integer.parseInt(windowParams.substring(byIndex + 1));
|
||
|
return;
|
||
|
} catch(NumberFormatException pass) {
|
||
|
}
|
||
|
}
|
||
|
|
||
|
throw new ParseException("Invalid window size parameter value: " + windowParams);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
protected Class<?> loadMain() throws ClassNotFoundException {
|
||
|
return classLoader.loadClass(mainClass);
|
||
|
}
|
||
|
|
||
|
protected void loadAndInvokeMain() throws Throwable, ClassNotFoundException {
|
||
|
invokeMain(loadMain());
|
||
|
}
|
||
|
|
||
|
protected void invokeMain(Class<?> mainClass) throws Throwable {
|
||
|
MethodHandle method = MethodHandles.lookup().findStatic(mainClass, "main", MethodType.methodType(void.class, String[].class));
|
||
|
|
||
|
method.invokeExact(mcParams.toArray(new String[0]));
|
||
|
}
|
||
|
|
||
|
}
|