Files
Mindustry/core/src/mindustry/mod/Scripts.java
2022-04-27 23:14:14 -04:00

138 lines
4.4 KiB
Java

package mindustry.mod;
import arc.*;
import arc.files.*;
import arc.util.*;
import arc.util.Log.*;
import mindustry.*;
import mindustry.mod.Mods.*;
import rhino.*;
import rhino.module.*;
import rhino.module.provider.*;
import java.io.*;
import java.net.*;
import java.util.regex.*;
public class Scripts implements Disposable{
public final Context context;
public final Scriptable scope;
private boolean errored;
LoadedMod currentMod = null;
public Scripts(){
Time.mark();
context = Vars.platform.getScriptContext();
scope = new ImporterTopLevel(context);
new RequireBuilder()
.setModuleScriptProvider(new SoftCachingModuleScriptProvider(new ScriptModuleProvider()))
.setSandboxed(true).createRequire(context, scope).install(scope);
if(!run(Core.files.internal("scripts/global.js").readString(), "global.js", false)){
errored = true;
}
Log.debug("Time to load script engine: @", Time.elapsed());
}
public boolean hasErrored(){
return errored;
}
public String runConsole(String text){
try{
Object o = context.evaluateString(scope, text, "console.js", 1);
if(o instanceof NativeJavaObject n) o = n.unwrap();
if(o instanceof Undefined) o = "undefined";
return String.valueOf(o);
}catch(Throwable t){
return getError(t, false);
}
}
private String getError(Throwable t, boolean log){
if(log) Log.err(t);
return t.getClass().getSimpleName() + (t.getMessage() == null ? "" : ": " + t.getMessage());
}
public void log(String source, String message){
log(LogLevel.info, source, message);
}
public void log(LogLevel level, String source, String message){
Log.log(level, "[@]: @", source, message);
}
public float[] newFloats(int capacity){
return new float[capacity];
}
public void run(LoadedMod mod, Fi file){
currentMod = mod;
run(file.readString(), file.name(), true);
currentMod = null;
}
private boolean run(String script, String file, boolean wrap){
try{
if(currentMod != null){
//inject script info into file
context.evaluateString(scope, "modName = \"" + currentMod.name + "\"\nscriptName = \"" + file + "\"", "initscript.js", 1);
}
context.evaluateString(scope,
wrap ? "(function(){'use strict';\n" + script + "\n})();" : script,
file, 0);
return true;
}catch(Throwable t){
if(currentMod != null){
file = currentMod.name + "/" + file;
}
log(LogLevel.err, file, "" + getError(t, true));
return false;
}
}
@Override
public void dispose(){
Context.exit();
}
private class ScriptModuleProvider extends UrlModuleSourceProvider{
private final Pattern directory = Pattern.compile("^(.+?)/(.+)");
public ScriptModuleProvider(){
super(null, null);
}
@Override
public ModuleSource loadSource(String moduleId, Scriptable paths, Object validator) throws URISyntaxException{
if(currentMod == null) return null;
return loadSource(moduleId, currentMod.root.child("scripts"), validator);
}
private ModuleSource loadSource(String moduleId, Fi root, Object validator) throws URISyntaxException{
Matcher matched = directory.matcher(moduleId);
if(matched.find()){
LoadedMod required = Vars.mods.locateMod(matched.group(1));
String script = matched.group(2);
if(required == null){ // Mod not found, treat it as a folder
Fi dir = root.child(matched.group(1));
if(!dir.exists()) return null; // Mod and folder not found
return loadSource(script, dir, validator);
}
currentMod = required;
return loadSource(script, required.root.child("scripts"), validator);
}
Fi module = root.child(moduleId + ".js");
if(!module.exists() || module.isDirectory()) return null;
return new ModuleSource(
new InputStreamReader(new ByteArrayInputStream((module.readString()).getBytes())),
new URI(moduleId), root.file().toURI(), validator);
}
}
}