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walterhiggins 2013-01-05 12:25:14 +00:00
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commit 850489b81a
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CommandScript.java
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@ -1,365 +1,43 @@
package net.minecraft.src;
import java.util.List;
import java.util.Stack;
import java.io.*;
import javax.swing.JFileChooser;
import net.minecraft.server.MinecraftServer;
import org.mozilla.javascript.*;
import net.minecraft.client.*;
/**
* This mod lets you load and run javascript to build structures which would otherwise be tedious.
* Build road networks, rows of houses, factories and sky-scrapers. ScriptCraft takes building to a whole new level
* by making it easy to create javascript scripts that do the building for you.
* The following code creates a simple cottage at the crosshair location or the player's current location...
* This mod lets you load and run javascript to build structures which
* would otherwise be tedious. Build road networks, rows of houses,
* factories and sky-scrapers. ScriptCraft takes building to a whole
* new level by making it easy to create javascript scripts that do
* the building for you. The following code creates a simple cottage
* at the crosshair location or the player's current location...
*
* load("./drone.js");
* var drone = new Drone();
* drone.box0(48,7,6,2) // 4 walls
* var drone = new Drone().chkpt('cornerstone');
* drone.box0(48,7,2,6) // 4 walls
* .right(3).door() // a door front-center
* .left(2).box(102) // windows left and right of door
* .right(4).box(102) //
* .home().up(2).prism0(53,7,6); // a gable roof
* .move('cornerstone').up(2).prism0(53,7,6); // a gable roof
*
*/
public class CommandScript extends CommandBase {
public static class MCScope extends ImporterTopLevel{
public MCScope(Context ctx){
super(ctx);
}
}
public static class PlayerPos
{
public double x;
public double y;
public double z;
public double rotationYaw;
public String toString(){
return super.toString() + " x:" + this.x + " ,y:" + this.y + " ,z:" + this.z + " ,rotationYaw:" + this.rotationYaw;
}
}
public class CommandScript extends CommandBase
{
ScriptCraftEvaluator evaluator = null;
public String getCommandName() { return "js"; }
public static PlayerPos getPlayerPosImpl()
{
PlayerPos pos = new PlayerPos();
if (CommandScript.sender instanceof EntityPlayer){
EntityPlayer player = (EntityPlayer)CommandScript.sender;
pos.x = player.posX;
pos.y = player.posY;
pos.z = player.posZ;
pos.rotationYaw = player.rotationYaw;
return pos;
}
return null;
}
public static PlayerPos getMousePosImpl()
{
Minecraft mc = net.minecraft.client.Minecraft.getMinecraft();
MovingObjectPosition omo = mc.objectMouseOver;
if (omo == null){
return null;
}
PlayerPos pos = new PlayerPos();
pos.x = omo.blockX;
pos.y = omo.blockY;
pos.z = omo.blockZ;
return pos;
}
public static void putSignImpl(String[] texts, int x, int y, int z, int block, int meta)
{
CommandScript.putBlockImpl(x,y,z,block,meta);
EntityPlayer player = (EntityPlayer)CommandScript.sender;
World world = player.worldObj;
TileEntitySign sign = (TileEntitySign)world.getBlockTileEntity(x,y,z);
for (int i=0 ; i < texts.length && i <= 3;i++){
String text = texts[i];
if (text != null){
if (text.length() > 15){
text = text.substring(0,15);
}
sign.signText[i] = text;
}
}
sign.onInventoryChanged();
world.markBlockForUpdate(x,y,z);
}
public static void putBlockImpl(int x, int y, int z, int blockId, int meta){
World world = null;
if (CommandScript.sender instanceof EntityPlayer){
world = ((EntityPlayer)(CommandScript.sender)).worldObj;
}else if (CommandScript.sender instanceof TileEntity){
world = ((TileEntity)(CommandScript.sender)).getWorldObj();
}
world.setBlockAndMetadata(x,y,z,blockId,meta);
}
//
// returns the block id and metadata at a given location in the world
// e.g. returns "98" for a stone block or "98:2" for a mossy stone block.
//
public static String getBlockImpl(int x, int y, int z)
{
EntityPlayer player = (EntityPlayer)CommandScript.sender;
World world = player.worldObj;
int blockId = world.getBlockId(x,y,z);
int metadata = world.getBlockMetadata(x,y,z);
if (metadata !=0){
return "" + blockId + ":" + metadata;
}else{
return "" + blockId;
}
}
public String getCommandName() {
return "js";
}
private Context ctx = null;
private Scriptable scope = null;
public int getRequiredPermissionLevel() { return 0; }
public int getRequiredPermissionLevel() {
// WPH return 2;
return 0;
}
private static ICommandSender sender;
public void processCommand(ICommandSender par1ICommandSender, String[] args)
{
CommandScript.sender = par1ICommandSender;
if (this.ctx == null){
this.ctx = Context.enter();
}
if (this.scope == null){
ScriptableObject importer = new CommandScript.MCScope(ctx);
this.scope = this.ctx.initStandardObjects(importer);
ctx.evaluateString(scope,"importPackage(net.minecraft.src)","<cmd>",1,null);
String[] names = {
"print"
,"load"
,"help"
,"getPlayerPos"
,"getMousePos"
,"putBlock"
,"getBlock"
,"putSign"
};
importer.defineFunctionProperties(names, CommandScript.class,ScriptableObject.DONTENUM);
importer.defineProperty("minecraft", net.minecraft.client.Minecraft.getMinecraft(),ScriptableObject.DONTENUM);
EntityPlayer player = (EntityPlayer)par1ICommandSender;
importer.defineProperty("player", player,ScriptableObject.DONTENUM);
importer.defineProperty("world", player.worldObj,ScriptableObject.DONTENUM);
}
((ScriptableObject)(this.scope)).defineProperty("sender", par1ICommandSender,ScriptableObject.DONTENUM);
if (System.out !=null){
System.out.println(this.scope);
}
if (this.evaluator == null)
this.evaluator = new ScriptCraftEvaluator(new ScriptCraftMCP(this));
// Collect the arguments into a single string.
String s = "";
for (int i=0; i < args.length; i++) {
s += args[i] + " ";
}
// Now evaluate the string we've colected.
notifyAdmins(par1ICommandSender, "js> " + s, (Object[])args);
Object result = null;
try {
result = ctx.evaluateString(scope, s, "<cmd>", 1, null);
}catch(Exception e){
notifyAdmins(par1ICommandSender, "ERROR: " + e.getMessage(), (Object[])args);
}
if (result != null){
notifyAdmins(par1ICommandSender, Context.toString(result), (Object[])args);
}
this.evaluator.eval(s,par1ICommandSender);
return;
}
public static Object load(Context cx, Scriptable thisObj,
Object[] args, Function funObj)
{
Object result = null;
File scriptFile = null;
String filename = null;
if (args.length == 0){
JFileChooser fc = new javax.swing.JFileChooser();
int rc = fc.showOpenDialog(null);
if (rc ==JFileChooser.APPROVE_OPTION){
scriptFile = fc.getSelectedFile();
}else{
return result;
}
}else{
scriptFile = new File((String)args[0]);
}
FileReader in = null;
try {
in = new FileReader(scriptFile);
}
catch (FileNotFoundException ex) {
notifyAdmins(CommandScript.sender, "Error - File not found " + args[0], args);
Context.reportError("Couldn't open file \"" + scriptFile + "\".");
return null;
}
filename = scriptFile.getAbsolutePath();
String filedir = scriptFile.getParentFile().getAbsolutePath();
//
// setup the special script-context-only variables
//
((ScriptableObject)thisObj).defineProperty("$SCRIPT",filename,ScriptableObject.DONTENUM);
((ScriptableObject)thisObj).defineProperty("$SCRIPT_DIR",filedir,ScriptableObject.DONTENUM);
try {
// Here we evalute the entire contents of the file as
// a script. Text is printed only if the print() function
// is called.
notifyAdmins(CommandScript.sender, "Loading " + filename, args);
result = cx.evaluateReader(thisObj, in, filename, 1, null);
notifyAdmins(CommandScript.sender, "Successfully loaded " + filename, args);
}
catch (WrappedException we) {
String wes = we.getWrappedException().toString();
notifyAdmins(CommandScript.sender, "Error loading " + filename + ": " + wes, args);
System.err.println(wes);
we.printStackTrace();
}
catch (EvaluatorException ee) {
System.err.println("js: " + ee.getMessage());
notifyAdmins(CommandScript.sender, "Error loading " + filename + ": " + ee.getMessage(), args);
}
catch (JavaScriptException jse) {
System.err.println("js: " + jse.getMessage());
notifyAdmins(CommandScript.sender, "Error loading " + filename + ": " + jse.getMessage(), args);
}
catch (IOException ioe) {
System.err.println(ioe.toString());
notifyAdmins(CommandScript.sender, "Error loading " + filename + ": " + ioe.getMessage(), args);
}
finally {
try {
in.close();
}
catch (IOException ioe) {
System.err.println(ioe.toString());
}
}
return result;
}
public static void help(Context cx, Scriptable thisObj,
Object[] args, Function funObj)
{
String cwd = java.lang.System.getProperty("user.dir");
String[] helpArgs = {"Current Working Directory: " + cwd,
"load('path-to-script.js')",
"load() (with no params) lets you choose a script file",
"getPlayerPos() returns player coords",
"getMousePos() returns mouse/crosshair coords",
"getBlock(x,y,z) returns the block and metadata e.g. '98' for a stone block or '98:2' for a mossy stone block",
"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"
};
print(cx,thisObj,helpArgs,funObj);
}
public static void print(Context cx, Scriptable thisObj,
Object[] args, Function funObj)
{
for (int i=0; i < args.length; i++) {
if (i > 0){
System.out.print(" ");
}
// Convert the arbitrary JavaScript value into a string form.
String s = Context.toString(args[i]);
notifyAdmins(CommandScript.sender, s, args);
System.out.print(s);
}
System.out.println();
}
public static PlayerPos getPlayerPos(Context cx, Scriptable thisObj,Object[] args, Function funObj){
return getPlayerPosImpl();
}
public static PlayerPos getMousePos(Context cx, Scriptable thisObj,Object[] args, Function funObj){
return getMousePosImpl();
}
public static void putBlock(Context cx, Scriptable thisObj,Object[] args, Function funObj)
{
int x;
int y;
int z;
int b;
int m;
if (args.length == 2){
PlayerPos mousePos = getMousePosImpl();
if (mousePos != null){
x = (int)mousePos.x;
y = (int)mousePos.y;
z = (int)mousePos.z;
b = new Double(args[0].toString()).intValue();
m = new Double(args[1].toString()).intValue();
}else{
return;
}
}else {
x = new Double(args[0].toString()).intValue();
y = new Double(args[1].toString()).intValue();
z = new Double(args[2].toString()).intValue();
b = new Double(args[3].toString()).intValue();
m = new Double(args[4].toString()).intValue();
}
putBlockImpl(x,y,z,b,m);
switch (b)
{
case 6:
EntityPlayer player = (EntityPlayer)CommandScript.sender;
World world = player.worldObj;
((BlockSapling)Block.sapling).growTree(world,x,y,z,world.rand);
break;
}
}
//
// gets the blockId and metadata at the given coords
// if no coords are provided then the mouse position is used instead.
//
public static String getBlock(Context cx, Scriptable thisObj,Object[] args, Function funObj){
int x;
int y;
int z;
if (args.length != 0){
x = new Double(args[0].toString()).intValue();
y = new Double(args[1].toString()).intValue();
z = new Double(args[2].toString()).intValue();
}else{
PlayerPos mousePos = getMousePosImpl();
if (mousePos != null){
x = (int)mousePos.x;
y = (int)mousePos.y;
z = (int)mousePos.z;
}else{
return null;
}
}
return getBlockImpl(x,y,z);
}
public static void putSign(Context cx, Scriptable thisObj,Object[] args, Function funObj){
List jsArray = (List)args[0];
System.out.println("putSign jsArray=" + jsArray);
String[] texts = new String[4];
for (int i = 0; i < jsArray.size() && i <= 3;i++){
texts[i] = (String)jsArray.get(i);
}
int x = new Double(args[1].toString()).intValue();
int y = new Double(args[2].toString()).intValue();
int z = new Double(args[3].toString()).intValue();
int b = new Double(args[4].toString()).intValue();
int m = new Double(args[5].toString()).intValue();
putSignImpl(texts,x,y,z,b,m);
}
}