/
ReduxCommandBlockTileEntity.java
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/
ReduxCommandBlockTileEntity.java
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package mods.quiddity.redux;
import mods.quiddity.redux.json.model.Block;
import mods.quiddity.redux.json.model.Pack;
import mods.quiddity.redux.json.model.Trigger;
import net.minecraft.block.state.IBlockState;
import net.minecraft.command.CommandResultStats;
import net.minecraft.command.ICommandManager;
import net.minecraft.command.ICommandSender;
import net.minecraft.entity.Entity;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.player.EntityPlayerMP;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.network.Packet;
import net.minecraft.network.play.server.S35PacketUpdateTileEntity;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.*;
import net.minecraft.world.World;
import net.minecraftforge.event.ServerChatEvent;
import net.minecraftforge.event.world.BlockEvent;
import net.minecraftforge.event.world.ChunkWatchEvent;
import net.minecraftforge.event.world.ExplosionEvent;
import net.minecraftforge.fml.common.FMLCommonHandler;
import net.minecraftforge.fml.common.eventhandler.Event;
import java.text.NumberFormat;
import java.text.ParsePosition;
import java.util.*;
import java.util.regex.MatchResult;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* The tile entity for Redux Pack blocks that have custom command scripts.
*
* @author winsock on 2/5/15.
*/
public class ReduxCommandBlockTileEntity extends TileEntity {
private String packId = "";
private Object[] lastEventArgs;
protected volatile Block reduxBlock = null;
protected int lastSuccessCount = 0;
protected CommandResultStats.Type lastResultType = CommandResultStats.Type.SUCCESS_COUNT;
protected int lastResultAmount = 0;
protected final Set<ReduxBlockEventReceiver> eventReceivers = new HashSet<ReduxBlockEventReceiver>();
protected final Map<Trigger.TriggerEvent, Set<ReduxBlockEventReceiver>> specialReceivers = new HashMap<Trigger.TriggerEvent, Set<ReduxBlockEventReceiver>>();
protected final Map<String, String> reduxVariables = new HashMap<String, String>();
protected final Stack<Integer> commandResultStack = new Stack<Integer>();
public ReduxCommandBlockTileEntity() {}
public int getLastSuccessCount() {
return lastSuccessCount;
}
public void addSpecialEventReceiver(Trigger.TriggerEvent event, ReduxBlockEventReceiver receiver) {
if (!specialReceivers.containsKey(event))
specialReceivers.put(event, new HashSet<ReduxBlockEventReceiver>());
specialReceivers.get(event).add(receiver);
}
public void init(String packId, Block reduxBlock) {
this.packId = packId;
this.reduxBlock = reduxBlock;
setupTriggers();
}
public void setupTileEntity(String blockId) {
Pack p = Redux.instance.getReduxConfiguration().getPackFromId(packId);
if (p == null) throw new AssertionError();
reduxBlock = p.getBlockFromId(blockId);
if (reduxBlock == null) throw new AssertionError();
specialReceivers.clear();
eventReceivers.clear();
setupTriggers();
}
private void setupTriggers() {
for (Trigger trigger : reduxBlock.getScript()) {
// We have to keep a local strong reference. Otherwise GC would remove our event receiver right away.
ReduxBlockEventReceiver receiver = new ReduxBlockEventReceiver(trigger);
if (trigger.getTriggerEvent().getForgeEventClass() != Event.class) {
eventReceivers.add(receiver);
ReduxEventDispatcher.getInstance().registerEventReceiver(receiver);
} else {
addSpecialEventReceiver(trigger.getTriggerEvent(), receiver);
}
}
}
/**
* Call listening special events.
* @param event The event that was triggered
* @param args Any extra data to pass on about the event
* @return Were any receiversCalled
*/
public boolean triggerSpecialEvent(Trigger.TriggerEvent event, Object... args) {
if (specialReceivers.containsKey(event)) {
lastEventArgs = args;
for (ReduxBlockEventReceiver eventReceiver : specialReceivers.get(event)) {
eventReceiver.receiveEvent(null);
}
return true;
}
return false;
}
@Override
public void writeToNBT(NBTTagCompound compound) {
super.writeToNBT(compound);
compound.setInteger("lastSuccessCount", lastSuccessCount);
compound.setInteger(lastResultType.getTypeName(), lastResultAmount);
compound.setString("pack", packId);
compound.setString("block", reduxBlock.getId());
}
@Override
public void readFromNBT(NBTTagCompound compound) {
super.readFromNBT(compound);
this.lastSuccessCount = compound.getInteger("lastSuccessCount");
this.packId = compound.getString("pack");
setupTileEntity(compound.getString("block"));
}
@Override
public Packet getDescriptionPacket() {
NBTTagCompound nbttagcompound = new NBTTagCompound();
this.writeToNBT(nbttagcompound);
return new S35PacketUpdateTileEntity(this.pos, 0, nbttagcompound);
}
protected class ReduxBlockEventReceiver implements ICommandSender {
private final Trigger triggerScript;
protected Event lastEvent = null;
public ReduxBlockEventReceiver(Trigger triggerScript) {
this.triggerScript = triggerScript;
}
public Trigger getTriggerScript() {
return triggerScript;
}
public Event getLastEvent() {
return lastEvent;
}
@Override
public String getName() {
return reduxBlock.getId();
}
@Override
public IChatComponent getDisplayName() {
return new ChatComponentText(reduxBlock.getName());
}
@Override
public void addChatMessage(IChatComponent message) {
reduxVariables.put("msg", message.getUnformattedTextForChat());
}
@Override
public boolean canUseCommand(int permLevel, String commandName) {
return permLevel <= 2;
}
@Override
public BlockPos getPosition() {
return ReduxCommandBlockTileEntity.this.getPos();
}
@Override
public Vec3 getPositionVector() {
return new Vec3((double)ReduxCommandBlockTileEntity.this.pos.getX() + 0.5D, (double)ReduxCommandBlockTileEntity.this.pos.getY() + 0.5D, (double)ReduxCommandBlockTileEntity.this.pos.getZ() + 0.5D);
}
@Override
public World getEntityWorld() {
return ReduxCommandBlockTileEntity.this.getWorld();
}
@Override
public Entity getCommandSenderEntity() {
return null;
}
@Override
public boolean sendCommandFeedback() {
return false;
}
@Override
public void setCommandStat(CommandResultStats.Type type, int amount) {
ReduxCommandBlockTileEntity.this.lastResultType = type;
ReduxCommandBlockTileEntity.this.lastResultAmount = amount;
if (type == CommandResultStats.Type.SUCCESS_COUNT) {
commandResultStack.push(amount);
IBlockState defaultState = ReduxCommandBlockTileEntity.this.getWorld().getBlockState(ReduxCommandBlockTileEntity.this.pos).getBlock().getDefaultState();
ReduxCommandBlockTileEntity.this.getWorld().setBlockState(ReduxCommandBlockTileEntity.this.pos, defaultState.withProperty(ReduxBlock.SUCCESS_COUNT_META, amount));
ReduxCommandBlockTileEntity.this.lastSuccessCount = amount;
}
}
public void setLastTest(int result) {
reduxVariables.put("test", String.valueOf(result));
}
public void receiveEvent(Event event) {
if (worldObj.isRemote)
return;
commandResultStack.clear();
BlockPos blockPos = ReduxCommandBlockTileEntity.this.pos;
// Check if the block has changed as result of an event. I.E. BlockBreak
if (ReduxCommandBlockTileEntity.this.getWorld().getBlockState(pos).getBlock().getClass() != ReduxBlock.class) {
return;
}
EntityPlayer playerTrigger = null;
if (event != null) {
if (event instanceof ChunkWatchEvent) {
ChunkWatchEvent chunkWatchEvent = (ChunkWatchEvent) event;
reduxVariables.put("chunk_x", String.valueOf(chunkWatchEvent.chunk.chunkXPos));
reduxVariables.put("chunk_z", String.valueOf(chunkWatchEvent.chunk.chunkZPos));
playerTrigger = chunkWatchEvent.player;
} else if (event instanceof BlockEvent) {
BlockEvent blockEvent = (BlockEvent) event;
if (triggerScript.blockHasToBeTheCause() && !blockEvent.pos.equals(ReduxCommandBlockTileEntity.this.pos)) {
return;
}
reduxVariables.put("target_x", String.valueOf(blockEvent.pos.getX()));
reduxVariables.put("target_y", String.valueOf(blockEvent.pos.getY()));
reduxVariables.put("target_z", String.valueOf(blockEvent.pos.getZ()));
reduxVariables.put("chunk_x", String.valueOf(blockEvent.world.getChunkFromBlockCoords(blockEvent.pos).getChunkCoordIntPair().chunkXPos));
reduxVariables.put("chunk_z", String.valueOf(blockEvent.world.getChunkFromBlockCoords(blockEvent.pos).getChunkCoordIntPair().chunkZPos));
reduxVariables.put("target_id", ((BlockEvent) event).state.getBlock().getUnlocalizedName());
switch(triggerScript.getTriggerEvent()) {
case BlockBreakEvent:
playerTrigger = ((BlockEvent.BreakEvent)event).getPlayer();
break;
case BlockPlaceEvent:
case BlockMultiPlaceEvent:
playerTrigger = ((BlockEvent.PlaceEvent)event).player;
break;
case BlockHarvestDropsEvent:
playerTrigger = ((BlockEvent.HarvestDropsEvent)event).harvester;
break;
}
} else if (event instanceof ServerChatEvent) {
ServerChatEvent chatEvent = (ServerChatEvent) event;
reduxVariables.put("chat_message", chatEvent.message);
playerTrigger = chatEvent.player;
} else if (event instanceof ExplosionEvent) {
ExplosionEvent explosionEvent = (ExplosionEvent) event;
reduxVariables.put("target_x", String.valueOf((int)explosionEvent.explosion.getPosition().xCoord));
reduxVariables.put("target_y", String.valueOf((int)explosionEvent.explosion.getPosition().yCoord));
reduxVariables.put("target_z", String.valueOf((int)explosionEvent.explosion.getPosition().yCoord));
reduxVariables.put("chunk_x", String.valueOf(explosionEvent.world.getChunkFromBlockCoords(new BlockPos(explosionEvent.explosion.getPosition())).getChunkCoordIntPair().chunkXPos));
reduxVariables.put("chunk_z", String.valueOf(explosionEvent.world.getChunkFromBlockCoords(new BlockPos(explosionEvent.explosion.getPosition())).getChunkCoordIntPair().chunkZPos));
}
reduxVariables.put("event_name", triggerScript.getTriggerEvent().name());
} else if (event == null && lastEventArgs != null && lastEventArgs.length > 0) {
if (triggerScript.getTriggerEvent() == Trigger.TriggerEvent.OnEntityCollide) {
Entity entity = (Entity) lastEventArgs[0];
reduxVariables.put("entity_name", entity.getName());
} else if (triggerScript.getTriggerEvent() == Trigger.TriggerEvent.OnInteract) {
boolean rightClicked = (Boolean)lastEventArgs[0];
playerTrigger = (EntityPlayerMP) lastEventArgs[1];
reduxVariables.put("mouse_button", rightClicked ? "right" : "left");
if (rightClicked) {
EnumFacing sideClicked = (EnumFacing) lastEventArgs[2];
reduxVariables.put("side_clicked", sideClicked.getName2());
reduxVariables.put("hit_x", String.valueOf(lastEventArgs[3]));
reduxVariables.put("hit_y", String.valueOf(lastEventArgs[4]));
reduxVariables.put("hit_z", String.valueOf(lastEventArgs[5]));
}
} else if (triggerScript.getTriggerEvent() == Trigger.TriggerEvent.OnRestoneStrengthChange) {
for (int i = 0; i < 7; i++) {
if (i == 7) {
reduxVariables.put("weak", String.valueOf(i));
} else {
reduxVariables.put("strong:" + EnumFacing.values()[i].getName2(), String.valueOf(i));
}
}
}
}
if (playerTrigger != null) {
reduxVariables.put("player", playerTrigger.getName());
reduxVariables.put("player_x", String.valueOf(playerTrigger.getPosition().getX()));
reduxVariables.put("player_y", String.valueOf(playerTrigger.getPosition().getY()));
reduxVariables.put("player_z", String.valueOf(playerTrigger.getPosition().getZ()));
reduxVariables.put("active_slot", String.valueOf(playerTrigger.inventory.currentItem));
if (playerTrigger.inventory.getCurrentItem() != null)
reduxVariables.put("active_item", playerTrigger.inventory.getCurrentItem().getItem().delegate.name());
else
reduxVariables.put("active_item", "minecraft:hand");
}
reduxVariables.put("world_id", String.valueOf(ReduxCommandBlockTileEntity.this.worldObj.provider.getDimensionId()));
reduxVariables.put("world_name", ReduxCommandBlockTileEntity.this.worldObj.getWorldInfo().getWorldName());
reduxVariables.put("x", String.valueOf(blockPos.getX()));
reduxVariables.put("y", String.valueOf(blockPos.getY()));
reduxVariables.put("z", String.valueOf(blockPos.getZ()));
ICommandManager icommandmanager = FMLCommonHandler.instance().getMinecraftServerInstance().getCommandManager();
lastEvent = event;
int skipCount = 0;
for (String s : triggerScript.getCommands()) {
if (skipCount > 0) {
skipCount--;
continue;
}
String parsedCommand = s;
Pattern reduxPattern = Pattern.compile("\\$redux\\[\\w{1,}\\]");
Matcher reduxMatcher = reduxPattern.matcher(parsedCommand);
Pattern commandPattern = Pattern.compile("\\[\\w{1,}\\]");
while (reduxMatcher.find()) {
MatchResult result = reduxMatcher.toMatchResult();
Matcher commandMatcher = commandPattern.matcher(result.group());
if (!commandMatcher.find())
continue;
String command = commandMatcher.toMatchResult().group().replaceFirst("\\[", "").replaceFirst("\\]", "");
if (command.equalsIgnoreCase("PEEK") || command.equalsIgnoreCase("POP")) {
if (command.equalsIgnoreCase("PEEK")) {
reduxMatcher = reduxPattern.matcher(parsedCommand = reduxMatcher.replaceFirst(String.valueOf(commandResultStack.peek())));
} else if (command.equalsIgnoreCase("POP")) {
reduxMatcher = reduxPattern.matcher(parsedCommand = reduxMatcher.replaceFirst(String.valueOf(commandResultStack.pop())));
}
} else if (reduxVariables.containsKey(command)) {
reduxMatcher = reduxPattern.matcher(parsedCommand = reduxMatcher.replaceFirst(reduxVariables.get(command)));
}
}
if (parsedCommand.startsWith("/stopscript")) {
String[] split = parsedCommand.split(" ");
if (split.length == 2) {
boolean stopScript;
if (isNumeric(split[1])) {
stopScript = Integer.parseInt(split[1]) != 0;
} else {
stopScript = split[1].equalsIgnoreCase("true");
}
if (stopScript)
break;
}
continue;
} else if (parsedCommand.startsWith("/stopdefault")) {
String[] split = parsedCommand.split(" ");
if (split.length == 2) {
boolean stopEvent;
if (isNumeric(split[1])) {
stopEvent = Integer.parseInt(split[1]) != 0;
} else {
stopEvent = split[1].equalsIgnoreCase("true");
}
if (event != null && event.isCancelable())
event.setCanceled(stopEvent);
}
continue;
} else if (parsedCommand.startsWith("/skip")) {
String[] split = parsedCommand.split(" ");
if (split.length == 3) {
try {
int skip = Integer.parseInt(split[1]);
boolean test;
if (isNumeric(split[2])) {
test = Integer.parseInt(split[2]) != 0;
} else {
test = split[2].equalsIgnoreCase("true");
}
if (test && skip > 0)
skipCount = skip;
} catch (NumberFormatException ignored) {}
}
continue;
}
icommandmanager.executeCommand(this, parsedCommand);
}
}
}
protected static boolean isNumeric(String str) {
NumberFormat formatter = NumberFormat.getInstance();
ParsePosition pos = new ParsePosition(0);
formatter.parse(str, pos);
return str.length() == pos.getIndex();
}
}