New classes which separate out functionality of the JS interpreter and Minecraft impl and Command processor.
This commit is contained in:
walterhiggins
parent
c9f30382d6
commit
9df8b30fff
3 changed files with 386 additions and 0 deletions
12
IScriptCraft.java
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12
IScriptCraft.java
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package net.minecraft.src;
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public interface IScriptCraft
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{
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public double[] getPlayerPos();
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public double[] getMousePos();
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public void putSign(String[] texts,int x, int y, int z, int block, int meta);
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public void putBlock(int x, int y, int z, int blockId, int meta);
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public String getBlock(int x, int y, int z);
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public void notifyAdministrators(String message);
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public void setInvoker(Object invoker);
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}
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265
ScriptCraftEvaluator.java
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265
ScriptCraftEvaluator.java
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package net.minecraft.src;
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import org.mozilla.javascript.*;
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import java.util.List;
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import java.io.*;
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import javax.swing.JFileChooser;
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public class ScriptCraftEvaluator
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{
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protected static IScriptCraft sc = null;
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protected Context ctx = null;
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protected Scriptable scope = null;
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public static class MCScope extends ImporterTopLevel{
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public MCScope(Context ctx){
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super(ctx);
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}
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}
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public ScriptCraftEvaluator(IScriptCraft scImpl)
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{
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ScriptCraftEvaluator.sc = scImpl;
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this.ctx = Context.enter();
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ScriptableObject importer = new ScriptCraftEvaluator.MCScope(ctx);
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this.scope = this.ctx.initStandardObjects(importer);
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//
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// for mcp debug only
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//ctx.evaluateString(scope,"importPackage(net.minecraft.src)","<cmd>",1,null);
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//
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String[] names = {
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"print"
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,"load"
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,"help"
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,"getPlayerPos"
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,"getMousePos"
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,"putBlock"
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,"getBlock"
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,"putSign"
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};
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importer.defineFunctionProperties(names,
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ScriptCraftEvaluator.class,
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ScriptableObject.DONTENUM);
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}
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/**
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* So clients can add their own properties ...
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*
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* evaluator.getScope().defineProperty("jsVarName",javaObject);
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*/
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public ScriptableObject getScope()
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{
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return (ScriptableObject)this.scope;
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}
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public Object eval(String javascript, Object invoker)
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{
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ScriptCraftEvaluator.sc.setInvoker(invoker);
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ScriptCraftEvaluator.sc.notifyAdministrators("js> " + javascript);
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Object result = null;
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try
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{
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result = ctx.evaluateString(this.scope, javascript, "<cmd>", 1, null);
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}
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catch(Exception e)
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{
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e.printStackTrace(System.err);
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ScriptCraftEvaluator.sc.notifyAdministrators("Exception: " + e.getMessage());
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}
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if (result != null)
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{
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ScriptCraftEvaluator.sc.notifyAdministrators(Context.toString(result));
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}
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return result;
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}
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/**
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* Load a javascript source file and evaluate its contents.
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*/
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public static Object load(Context cx, Scriptable thisObj, Object[] args, Function funObj)
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{
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Object result = null;
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File scriptFile = null;
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String filename = null;
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if (args.length == 0)
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{
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JFileChooser fc = new javax.swing.JFileChooser();
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int rc = fc.showOpenDialog(null);
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if (rc ==JFileChooser.APPROVE_OPTION){
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scriptFile = fc.getSelectedFile();
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}else{
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return result;
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}
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}else{
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scriptFile = new File((String)args[0]);
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}
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FileReader in = null;
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try {
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in = new FileReader(scriptFile);
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}
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catch (FileNotFoundException ex)
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{
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ex.printStackTrace(System.err);
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ScriptCraftEvaluator.sc.notifyAdministrators( "Error - File not found " + args[0]);
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Context.reportError("Couldn't open file \"" + scriptFile + "\".");
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return null;
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}
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filename = scriptFile.getAbsolutePath();
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System.out.println("ScripCraftEvaluator: filename=" + filename);
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File parentFile = scriptFile.getParentFile();
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String filedir = null;
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if (parentFile !=null){
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filedir = parentFile.getAbsolutePath();
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}
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//
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// setup the special script-context-only variables
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//
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((ScriptableObject)thisObj).defineProperty("$SCRIPT",filename,ScriptableObject.DONTENUM);
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((ScriptableObject)thisObj).defineProperty("$SCRIPT_DIR",filedir==null?"":filedir,ScriptableObject.DONTENUM);
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try {
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// Here we evalute the entire contents of the file as
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// a script. Text is printed only if the print() function
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// is called.
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ScriptCraftEvaluator.sc.notifyAdministrators( "Loading " + filename);
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result = cx.evaluateReader(thisObj, in, filename, 1, null);
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ScriptCraftEvaluator.sc.notifyAdministrators( "Successfully loaded " + filename);
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}
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catch (WrappedException we) {
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we.printStackTrace(System.err);
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String wes = we.getWrappedException().toString();
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ScriptCraftEvaluator.sc.notifyAdministrators("WrappedException while loading " + filename + ": " + wes);
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System.err.println(wes);
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we.printStackTrace();
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}
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catch (EvaluatorException ee) {
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ee.printStackTrace(System.err);
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System.err.println("js: " + ee.getMessage());
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ScriptCraftEvaluator.sc.notifyAdministrators( "EvaluatorException while loading " + filename + ": " + ee.getMessage());
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}
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catch (JavaScriptException jse) {
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jse.printStackTrace(System.err);
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System.err.println("js: " + jse.getMessage());
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ScriptCraftEvaluator.sc.notifyAdministrators("JavascriptException while loading " + filename + ": " + jse.getMessage());
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}
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catch (IOException ioe) {
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ioe.printStackTrace(System.err);
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System.err.println(ioe.toString());
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ScriptCraftEvaluator.sc.notifyAdministrators( "IOException while loading " + filename + ": " + ioe.getMessage());
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}
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finally {
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try {
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in.close();
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}
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catch (IOException ioe) {
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System.err.println(ioe.toString());
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}
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}
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return result;
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}
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public static void help(Context cx, Scriptable thisObj, Object[] args, Function funObj)
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{
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String cwd = java.lang.System.getProperty("user.dir");
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String[] helpArgs = {"Current Working Directory: " + cwd,
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"load('path-to-script.js')",
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"load() (with no params) lets you choose a script file",
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"getPlayerPos() returns player coords",
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"getMousePos() returns mouse/crosshair coords",
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"getBlock(x,y,z) returns the block and metadata e.g. '98' for a stone block or '98:2' for a mossy stone block",
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"putBlock(x,y,z,blockId,meta) e.g. putBlock(100,2,50,44,2) puts a sandstone slab (44:2) at position 100,2,50. See http://www.minecraftinfo.com/idlist.htm for block ids"
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};
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print(cx,thisObj,helpArgs,funObj);
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}
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public static void print(Context cx, Scriptable thisObj,Object[] args, Function funObj)
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{
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for (int i=0; i < args.length; i++) {
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if (i > 0){
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System.out.print(" ");
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}
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// Convert the arbitrary JavaScript value into a string form.
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String s = Context.toString(args[i]);
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ScriptCraftEvaluator.sc.notifyAdministrators(s);
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System.out.print(s);
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}
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System.out.println();
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}
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public static double[] getPlayerPos(Context cx, Scriptable thisObj,Object[] args, Function funObj)
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{
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return ScriptCraftEvaluator.sc.getPlayerPos();
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}
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public static double[] getMousePos(Context cx, Scriptable thisObj,Object[] args, Function funObj)
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{
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return ScriptCraftEvaluator.sc.getMousePos();
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}
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public static void putBlock(Context cx, Scriptable thisObj,Object[] args, Function funObj)
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{
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int x;
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int y;
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int z;
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int b;
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int m;
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if (args.length == 2){
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double[] mousePos = ScriptCraftEvaluator.sc.getMousePos();
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if (mousePos != null){
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x = (int)mousePos[0];
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y = (int)mousePos[1];
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z = (int)mousePos[2];
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b = new Double(args[0].toString()).intValue();
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m = new Double(args[1].toString()).intValue();
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}else{
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return;
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}
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}else {
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x = new Double(args[0].toString()).intValue();
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y = new Double(args[1].toString()).intValue();
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z = new Double(args[2].toString()).intValue();
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b = new Double(args[3].toString()).intValue();
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m = new Double(args[4].toString()).intValue();
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}
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ScriptCraftEvaluator.sc.putBlock(x,y,z,b,m);
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}
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//
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// gets the blockId and metadata at the given coords
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// if no coords are provided then the mouse position is used instead.
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//
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public static String getBlock(Context cx, Scriptable thisObj,Object[] args, Function funObj){
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int x;
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int y;
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int z;
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if (args.length != 0){
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x = new Double(args[0].toString()).intValue();
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y = new Double(args[1].toString()).intValue();
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z = new Double(args[2].toString()).intValue();
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}else{
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double[] mousePos = ScriptCraftEvaluator.sc.getMousePos();
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if (mousePos != null){
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x = (int)mousePos[0];
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y = (int)mousePos[1];
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z = (int)mousePos[2];
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}else{
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return null;
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}
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}
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return ScriptCraftEvaluator.sc.getBlock(x,y,z);
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}
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public static void putSign(Context cx, Scriptable thisObj,Object[] args, Function funObj){
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List jsArray = (List)args[0];
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String[] texts = new String[4];
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for (int i = 0; i < jsArray.size() && i <= 3;i++){
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texts[i] = (String)jsArray.get(i);
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}
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int x = new Double(args[1].toString()).intValue();
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int y = new Double(args[2].toString()).intValue();
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int z = new Double(args[3].toString()).intValue();
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int b = new Double(args[4].toString()).intValue();
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int m = new Double(args[5].toString()).intValue();
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ScriptCraftEvaluator.sc.putSign(texts,x,y,z,b,m);
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}
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}
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109
ScriptCraftMCP.java
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109
ScriptCraftMCP.java
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@ -0,0 +1,109 @@
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package net.minecraft.src;
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import net.minecraft.client.*;
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/**
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* An implementation of the IScriptCraft interface for
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* Minecraft Coder Pack-style install
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*
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*/
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public class ScriptCraftMCP implements IScriptCraft
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{
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protected CommandBase command = null;
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public ScriptCraftMCP(CommandBase mcpCommand){
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this.command = mcpCommand;
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}
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protected ICommandSender invoker;
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//
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// following code depends on MCP
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//
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public double[] getPlayerPos()
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{
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double[] result = new double[4];
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if (this.invoker instanceof EntityPlayer){
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EntityPlayer player = (EntityPlayer)this.invoker;
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result[0] = player.posX;
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result[1] = player.posY;
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result[2] = player.posZ;
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result[3] = player.rotationYaw;
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return result;
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}
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return null;
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}
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public double[] getMousePos()
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{
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Minecraft mc = net.minecraft.client.Minecraft.getMinecraft();
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MovingObjectPosition omo = mc.objectMouseOver;
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if (omo == null){
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return null;
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}
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double[] result = new double[4];
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result[0] = omo.blockX;
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result[1] = omo.blockY;
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result[2] = omo.blockZ;
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return result;
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}
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public void putSign(String[] texts, int x, int y, int z, int block, int meta)
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{
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this.putBlock(x,y,z,block,meta);
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EntityPlayer player = (EntityPlayer)this.invoker;
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World world = player.worldObj;
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TileEntitySign sign = (TileEntitySign)world.getBlockTileEntity(x,y,z);
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for (int i=0 ; i < texts.length && i <= 3;i++){
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String text = texts[i];
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if (text != null){
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if (text.length() > 15){
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text = text.substring(0,15);
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}
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sign.signText[i] = text;
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}
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}
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sign.onInventoryChanged();
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world.markBlockForUpdate(x,y,z);
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}
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public void putBlock(int x, int y, int z, int blockId, int meta)
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{
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World world = null;
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if (this.invoker instanceof EntityPlayer)
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{
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world = ((EntityPlayer)(this.invoker)).worldObj;
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}
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else if (this.invoker instanceof TileEntity)
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{
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world = ((TileEntity)(this.invoker)).getWorldObj();
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}
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world.setBlockAndMetadata(x,y,z,blockId,meta);
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switch (blockId)
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{
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case 6:
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((BlockSapling)Block.sapling).growTree(world,x,y,z,world.rand);
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break;
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}
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}
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//
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// returns the block id and metadata at a given location in the world
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// e.g. returns "98" for a stone block or "98:2" for a mossy stone block.
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//
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public String getBlock(int x, int y, int z)
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{
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EntityPlayer player = (EntityPlayer)this.invoker;
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World world = player.worldObj;
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int blockId = world.getBlockId(x,y,z);
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int metadata = world.getBlockMetadata(x,y,z);
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if (metadata !=0){
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return "" + blockId + ":" + metadata;
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}else{
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return "" + blockId;
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}
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}
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public void notifyAdministrators(String message)
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{
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this.command.notifyAdmins(this.invoker,message,(Object[])null);
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}
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public void setInvoker(Object invoker)
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{
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this.invoker = (ICommandSender)invoker;
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}
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}
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