1098 lines
45 KiB
Java
Executable File
1098 lines
45 KiB
Java
Executable File
package com.replaymod.replay;
|
|
|
|
import com.google.common.base.Preconditions;
|
|
import com.google.common.io.Files;
|
|
import com.replaymod.core.ReplayMod;
|
|
import com.replaymod.core.utils.Restrictions;
|
|
import com.replaymod.replay.camera.CameraEntity;
|
|
import com.replaymod.replaystudio.io.ReplayInputStream;
|
|
import com.replaymod.replaystudio.replay.ReplayFile;
|
|
import com.replaymod.replaystudio.studio.ReplayStudio;
|
|
import com.replaymod.replaystudio.studio.protocol.StudioCodec;
|
|
import com.replaymod.replaystudio.studio.protocol.StudioSession;
|
|
import io.netty.buffer.ByteBuf;
|
|
import io.netty.buffer.Unpooled;
|
|
import io.netty.channel.ChannelDuplexHandler;
|
|
import io.netty.channel.ChannelHandler.Sharable;
|
|
import io.netty.channel.ChannelHandlerContext;
|
|
import io.netty.channel.ChannelPromise;
|
|
import net.minecraft.client.Minecraft;
|
|
import net.minecraft.client.entity.EntityOtherPlayerMP;
|
|
import net.minecraft.client.gui.GuiDownloadTerrain;
|
|
import net.minecraft.client.gui.GuiErrorScreen;
|
|
import net.minecraft.client.resources.I18n;
|
|
import net.minecraft.entity.Entity;
|
|
import net.minecraft.entity.player.EntityPlayer;
|
|
import net.minecraft.network.*;
|
|
import net.minecraft.network.login.server.SPacketLoginSuccess;
|
|
import net.minecraft.network.play.server.*;
|
|
import net.minecraft.util.math.MathHelper;
|
|
import net.minecraft.util.text.ITextComponent;
|
|
import net.minecraft.world.EnumDifficulty;
|
|
import net.minecraft.world.World;
|
|
import net.minecraft.world.WorldType;
|
|
import net.minecraft.world.chunk.Chunk;
|
|
import net.minecraft.world.chunk.IChunkProvider;
|
|
import net.minecraftforge.common.MinecraftForge;
|
|
import net.minecraftforge.eventbus.api.SubscribeEvent;
|
|
import net.minecraftforge.fml.common.gameevent.TickEvent;
|
|
import org.apache.commons.io.FileUtils;
|
|
import org.apache.commons.io.IOUtils;
|
|
|
|
//#if MC>=11300
|
|
import net.minecraft.util.ResourceLocation;
|
|
import net.minecraft.world.dimension.DimensionType;
|
|
//#endif
|
|
|
|
//#if MC>=11200
|
|
import com.replaymod.core.utils.WrappedTimer;
|
|
//#endif
|
|
//#if MC>=11002
|
|
import net.minecraft.world.GameType;
|
|
//#else
|
|
//$$ import net.minecraft.world.WorldSettings.GameType;
|
|
//#endif
|
|
|
|
//#if MC<10800
|
|
//$$ import org.apache.commons.io.Charsets;
|
|
//#endif
|
|
|
|
import java.io.*;
|
|
import java.util.ArrayList;
|
|
import java.util.Arrays;
|
|
import java.util.Collection;
|
|
import java.util.List;
|
|
import java.util.Map;
|
|
|
|
import static com.replaymod.core.versions.MCVer.*;
|
|
|
|
/**
|
|
* Sends replay packets to netty channels.
|
|
* Even though {@link Sharable}, this should never be added to multiple pipes at once, it may however be re-added when
|
|
* the replay restart from the beginning.
|
|
*/
|
|
@Sharable
|
|
public class FullReplaySender extends ChannelDuplexHandler implements ReplaySender {
|
|
/**
|
|
* These packets are ignored completely during replay.
|
|
*/
|
|
private static final List<Class> BAD_PACKETS = Arrays.<Class>asList(
|
|
//#if MC>=11200
|
|
SPacketRecipeBook.class,
|
|
SPacketAdvancementInfo.class,
|
|
SPacketSelectAdvancementsTab.class,
|
|
//#endif
|
|
//#if MC>=10904
|
|
// TODO Update possibly more?
|
|
SPacketUpdateHealth.class,
|
|
SPacketOpenWindow.class,
|
|
SPacketCloseWindow.class,
|
|
SPacketSetSlot.class,
|
|
SPacketWindowItems.class,
|
|
SPacketSignEditorOpen.class,
|
|
SPacketStatistics.class,
|
|
SPacketSetExperience.class,
|
|
SPacketCamera.class,
|
|
SPacketPlayerAbilities.class,
|
|
SPacketTitle.class
|
|
//#else
|
|
//#if MC>=10800
|
|
//$$ S43PacketCamera.class,
|
|
//$$ S45PacketTitle.class,
|
|
//#endif
|
|
//$$ S06PacketUpdateHealth.class,
|
|
//$$ S2DPacketOpenWindow.class,
|
|
//$$ S2EPacketCloseWindow.class,
|
|
//$$ S2FPacketSetSlot.class,
|
|
//$$ S30PacketWindowItems.class,
|
|
//$$ S36PacketSignEditorOpen.class,
|
|
//$$ S37PacketStatistics.class,
|
|
//$$ S1FPacketSetExperience.class,
|
|
//$$ S39PacketPlayerAbilities.class
|
|
//#endif
|
|
);
|
|
|
|
private static int TP_DISTANCE_LIMIT = 128;
|
|
|
|
/**
|
|
* The replay handler responsible for the current replay.
|
|
*/
|
|
private final ReplayHandler replayHandler;
|
|
|
|
/**
|
|
* Whether to work in async mode.
|
|
*
|
|
* When in async mode, a separate thread send packets and waits according to their delays.
|
|
* This is default in normal playback mode.
|
|
*
|
|
* When in sync mode, no packets will be sent until {@link #sendPacketsTill(int)} is called.
|
|
* This is used during path playback and video rendering.
|
|
*/
|
|
protected boolean asyncMode;
|
|
|
|
/**
|
|
* Timestamp of the last packet sent in milliseconds since the start.
|
|
*/
|
|
protected int lastTimeStamp;
|
|
|
|
/**
|
|
* @see #currentTimeStamp()
|
|
*/
|
|
protected int currentTimeStamp;
|
|
|
|
/**
|
|
* The replay file.
|
|
*/
|
|
protected ReplayFile replayFile;
|
|
|
|
/**
|
|
* The channel handler context used to send packets to minecraft.
|
|
*/
|
|
protected ChannelHandlerContext ctx;
|
|
|
|
/**
|
|
* The replay input stream from which new packets are read.
|
|
* When accessing this stream make sure to synchronize on {@code this} as it's used from multiple threads.
|
|
*/
|
|
protected ReplayInputStream replayIn;
|
|
|
|
/**
|
|
* The next packet that should be sent.
|
|
* This is required as some actions such as jumping to a specified timestamp have to peek at the next packet.
|
|
*/
|
|
protected PacketData nextPacket;
|
|
|
|
/**
|
|
* Whether we're currently reading packets from the login phase.
|
|
*/
|
|
private boolean loginPhase;
|
|
|
|
/**
|
|
* Whether we need to restart the current replay. E.g. when jumping backwards in time
|
|
*/
|
|
protected boolean startFromBeginning = true;
|
|
|
|
/**
|
|
* Whether to terminate the replay. This only has an effect on the async mode and is {@code true} during sync mode.
|
|
*/
|
|
protected boolean terminate;
|
|
|
|
/**
|
|
* The speed of the replay. 1 is normal, 2 is twice as fast, 0.5 is half speed and 0 is frozen
|
|
*/
|
|
protected double replaySpeed = 1f;
|
|
|
|
/**
|
|
* Whether the world has been loaded and the dirt-screen should go away.
|
|
*/
|
|
protected boolean hasWorldLoaded;
|
|
|
|
/**
|
|
* The minecraft instance.
|
|
*/
|
|
protected Minecraft mc = getMinecraft();
|
|
|
|
/**
|
|
* The total length of this replay in milliseconds.
|
|
*/
|
|
protected final int replayLength;
|
|
|
|
/**
|
|
* Our actual entity id that the server gave to us.
|
|
*/
|
|
protected int actualID = -1;
|
|
|
|
/**
|
|
* Whether to allow (process) the next player movement packet.
|
|
*/
|
|
protected boolean allowMovement;
|
|
|
|
/**
|
|
* Directory to which resource packs are extracted.
|
|
*/
|
|
private final File tempResourcePackFolder = Files.createTempDir();
|
|
|
|
/**
|
|
* Create a new replay sender.
|
|
* @param file The replay file
|
|
* @param asyncMode {@code true} for async mode, {@code false} otherwise
|
|
* @see #asyncMode
|
|
*/
|
|
public FullReplaySender(ReplayHandler replayHandler, ReplayFile file, boolean asyncMode) throws IOException {
|
|
this.replayHandler = replayHandler;
|
|
this.replayFile = file;
|
|
this.asyncMode = asyncMode;
|
|
this.replayLength = file.getMetaData().getDuration();
|
|
|
|
MinecraftForge.EVENT_BUS.register(this);
|
|
|
|
if (asyncMode) {
|
|
new Thread(asyncSender, "replaymod-async-sender").start();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set whether this replay sender operates in async mode.
|
|
* When in async mode, it will send packets timed from a separate thread.
|
|
* When not in async mode, it will send packets when {@link #sendPacketsTill(int)} is called.
|
|
* @param asyncMode {@code true} to enable async mode
|
|
*/
|
|
@Override
|
|
public void setAsyncMode(boolean asyncMode) {
|
|
if (this.asyncMode == asyncMode) return;
|
|
this.asyncMode = asyncMode;
|
|
if (asyncMode) {
|
|
this.terminate = false;
|
|
new Thread(asyncSender, "replaymod-async-sender").start();
|
|
} else {
|
|
this.terminate = true;
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public boolean isAsyncMode() {
|
|
return asyncMode;
|
|
}
|
|
|
|
/**
|
|
* Set whether this replay sender to operate in sync mode.
|
|
* When in sync mode, it will send packets when {@link #sendPacketsTill(int)} is called.
|
|
* This call will block until the async worker thread has stopped.
|
|
*/
|
|
@Override
|
|
public void setSyncModeAndWait() {
|
|
if (!this.asyncMode) return;
|
|
this.asyncMode = false;
|
|
this.terminate = true;
|
|
synchronized (this) {
|
|
// This will wait for the worker thread to leave the synchronized code part
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return a fake system tile in milliseconds value that respects slowdown/speedup/pause and works in both,
|
|
* sync and async mode.
|
|
* Note: For sync mode this returns the last value passed to {@link #sendPacketsTill(int)}.
|
|
* @return The timestamp in milliseconds since the start of the replay
|
|
*/
|
|
@Override
|
|
public int currentTimeStamp() {
|
|
if (asyncMode) {
|
|
int timePassed = (int) (System.currentTimeMillis() - lastPacketSent);
|
|
return lastTimeStamp + (int) (timePassed * getReplaySpeed());
|
|
} else {
|
|
return lastTimeStamp;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Terminate this replay sender.
|
|
*/
|
|
public void terminateReplay() {
|
|
terminate = true;
|
|
MinecraftForge.EVENT_BUS.unregister(this);
|
|
try {
|
|
channelInactive(ctx);
|
|
ctx.channel().pipeline().close();
|
|
FileUtils.deleteDirectory(tempResourcePackFolder);
|
|
} catch(Exception e) {
|
|
e.printStackTrace();
|
|
}
|
|
}
|
|
|
|
@SubscribeEvent
|
|
public void onWorldTick(TickEvent.ClientTickEvent event) {
|
|
// Unfortunately the WorldTickEvent doesn't seem to be emitted on the CLIENT side
|
|
if (event.phase != TickEvent.Phase.START) return;
|
|
|
|
// Spawning a player into an empty chunk (which we might do with the recording player)
|
|
// prevents it from being moved by teleport packets (it essentially gets stuck) because
|
|
// Entity#addedToChunk is not set and it is therefore not updated every tick.
|
|
// To counteract this, we need to manually update it's position if it hasn't been added
|
|
// to any chunk yet.
|
|
if (mc.world != null) {
|
|
for (EntityPlayer playerEntity : playerEntities(mc.world)) {
|
|
if (!playerEntity.addedToChunk && playerEntity instanceof EntityOtherPlayerMP) {
|
|
//#if MC>=11300
|
|
playerEntity.livingTick();
|
|
//#else
|
|
//$$ playerEntity.onLivingUpdate();
|
|
//#endif
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void channelRead(ChannelHandlerContext ctx, Object msg)
|
|
throws Exception {
|
|
// When in async mode and the replay sender shut down, then don't send packets
|
|
if(terminate && asyncMode) {
|
|
return;
|
|
}
|
|
|
|
// When a packet is sent directly, perform no filtering
|
|
if(msg instanceof Packet) {
|
|
super.channelRead(ctx, msg);
|
|
}
|
|
|
|
if (msg instanceof byte[]) {
|
|
try {
|
|
Packet p = deserializePacket((byte[]) msg);
|
|
|
|
if (p != null) {
|
|
p = processPacket(p);
|
|
if (p != null) {
|
|
super.channelRead(ctx, p);
|
|
}
|
|
|
|
// If we do not give minecraft time to tick, there will be dead entity artifacts left in the world
|
|
// Therefore we have to remove all loaded, dead entities manually if we are in sync mode.
|
|
// We do this after every SpawnX packet and after the destroy entities packet.
|
|
if (!asyncMode && mc.world != null) {
|
|
if (p instanceof SPacketSpawnPlayer
|
|
|| p instanceof SPacketSpawnObject
|
|
|| p instanceof SPacketSpawnMob
|
|
|| p instanceof SPacketSpawnGlobalEntity
|
|
|| p instanceof SPacketSpawnPainting
|
|
|| p instanceof SPacketSpawnExperienceOrb
|
|
|| p instanceof SPacketDestroyEntities) {
|
|
World world = mc.world;
|
|
for (int i = 0; i < world.loadedEntityList.size(); ++i) {
|
|
Entity entity = loadedEntityList(world).get(i);
|
|
if (entity.removed) {
|
|
int chunkX = entity.chunkCoordX;
|
|
int chunkY = entity.chunkCoordZ;
|
|
|
|
//#if MC>=11300
|
|
if (entity.addedToChunk && world.getChunkProvider().provideChunk(chunkX, chunkY, false, false) != null) {
|
|
//#else
|
|
//#if MC>=10904
|
|
//$$ if (entity.addedToChunk && world.getChunkProvider().getLoadedChunk(chunkX, chunkY) != null) {
|
|
//#else
|
|
//$$ if (entity.addedToChunk && world.getChunkProvider().chunkExists(chunkX, chunkY)) {
|
|
//#endif
|
|
//#endif
|
|
world.getChunk(chunkX, chunkY).removeEntity(entity);
|
|
}
|
|
|
|
world.loadedEntityList.remove(i--);
|
|
world.onEntityRemoved(entity);
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} catch (Exception e) {
|
|
// We'd rather not have a failure parsing one packet screw up the whole replay process
|
|
e.printStackTrace();
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
private Packet deserializePacket(byte[] bytes) throws IOException, IllegalAccessException, InstantiationException {
|
|
ByteBuf bb = Unpooled.wrappedBuffer(bytes);
|
|
PacketBuffer pb = new PacketBuffer(bb);
|
|
|
|
int i = pb.readVarInt();
|
|
|
|
EnumConnectionState state = loginPhase ? EnumConnectionState.LOGIN : EnumConnectionState.PLAY;
|
|
//#if MC>=10800
|
|
Packet p = state.getPacket(EnumPacketDirection.CLIENTBOUND, i);
|
|
//#else
|
|
//$$ Packet p = Packet.generatePacket(state.func_150755_b(), i);
|
|
//#endif
|
|
p.readPacketData(pb);
|
|
|
|
return p;
|
|
}
|
|
|
|
/**
|
|
* Process a packet and return the result.
|
|
* @param p The packet to process
|
|
* @return The processed packet or {@code null} if no packet shall be sent
|
|
*/
|
|
protected Packet processPacket(Packet p) throws Exception {
|
|
if (p instanceof SPacketLoginSuccess) {
|
|
loginPhase = false;
|
|
return p;
|
|
}
|
|
|
|
if (p instanceof SPacketCustomPayload) {
|
|
SPacketCustomPayload packet = (SPacketCustomPayload) p;
|
|
if (Restrictions.PLUGIN_CHANNEL.equals(packet.getChannelName())) {
|
|
final String unknown = replayHandler.getRestrictions().handle(packet);
|
|
if (unknown == null) {
|
|
return null;
|
|
} else {
|
|
// Failed to parse options, make sure that under no circumstances further packets are parsed
|
|
terminateReplay();
|
|
// Then end replay and show error GUI
|
|
mc.addScheduledTask(new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
try {
|
|
replayHandler.endReplay();
|
|
} catch (IOException e) {
|
|
e.printStackTrace();
|
|
}
|
|
mc.displayGuiScreen(new GuiErrorScreen(
|
|
I18n.format("replaymod.error.unknownrestriction1"),
|
|
I18n.format("replaymod.error.unknownrestriction2", unknown)
|
|
));
|
|
}
|
|
});
|
|
}
|
|
}
|
|
}
|
|
if (p instanceof SPacketDisconnect) {
|
|
ITextComponent reason = ((SPacketDisconnect) p).getReason();
|
|
String message = reason.getString();
|
|
if ("Please update to view this replay.".equals(message)) {
|
|
// This version of the mod supports replay restrictions so we are allowed
|
|
// to remove this packet.
|
|
return null;
|
|
}
|
|
}
|
|
|
|
if(BAD_PACKETS.contains(p.getClass())) return null;
|
|
|
|
if (p instanceof SPacketCustomPayload) {
|
|
SPacketCustomPayload packet = (SPacketCustomPayload) p;
|
|
//#if MC>=11300
|
|
ResourceLocation channelName = packet.getChannelName();
|
|
//#else
|
|
//$$ String channelName = packet.getChannelName();
|
|
//#endif
|
|
//#if MC>=11300
|
|
if (SPacketCustomPayload.BOOK_OPEN.equals(channelName)) {
|
|
//#else
|
|
//$$ if ("MC|BOpen".equals(channelName)) {
|
|
//#endif
|
|
return null;
|
|
}
|
|
//#if MC>=10800
|
|
}
|
|
|
|
if(p instanceof SPacketResourcePackSend) {
|
|
SPacketResourcePackSend packet = (SPacketResourcePackSend) p;
|
|
String url = packet.getURL();
|
|
if (url.startsWith("replay://")) {
|
|
//#else
|
|
//$$ String url;
|
|
//$$ if ("MC|RPack".equals(channelName) &&
|
|
//$$ (url = new String(packet.func_149168_d(), Charsets.UTF_8)).startsWith("replay://")) {
|
|
//#endif
|
|
int id = Integer.parseInt(url.substring("replay://".length()));
|
|
Map<Integer, String> index = replayFile.getResourcePackIndex();
|
|
if (index != null) {
|
|
String hash = index.get(id);
|
|
if (hash != null) {
|
|
File file = new File(tempResourcePackFolder, hash + ".zip");
|
|
if (!file.exists()) {
|
|
IOUtils.copy(replayFile.getResourcePack(hash).get(), new FileOutputStream(file));
|
|
}
|
|
setServerResourcePack(file);
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
}
|
|
|
|
if(p instanceof SPacketJoinGame) {
|
|
SPacketJoinGame packet = (SPacketJoinGame) p;
|
|
int entId = packet.getPlayerId();
|
|
allowMovement = true;
|
|
actualID = entId;
|
|
entId = -1789435; // Camera entity id should be negative which is an invalid id and can't be used by servers
|
|
//#if MC>=10800
|
|
//#if MC>=11300
|
|
DimensionType dimension = packet.func_212642_e();
|
|
//#else
|
|
//$$ int dimension = packet.getDimension();
|
|
//#endif
|
|
EnumDifficulty difficulty = packet.getDifficulty();
|
|
//#if MC>=11300
|
|
int maxPlayers = packet.maxPlayers;
|
|
//#else
|
|
//$$ int maxPlayers = packet.getMaxPlayers();
|
|
//#endif
|
|
WorldType worldType = packet.getWorldType();
|
|
|
|
//#if MC>=10904
|
|
p = new SPacketJoinGame(entId, GameType.SPECTATOR, false, dimension,
|
|
difficulty, maxPlayers, worldType, false);
|
|
//#else
|
|
//$$ p = new S01PacketJoinGame(entId, GameType.SPECTATOR, false, dimension,
|
|
//$$ difficulty, maxPlayers, worldType, false);
|
|
//#endif
|
|
//#else
|
|
//$$ int dimension = packet.func_149194_f();
|
|
//$$ EnumDifficulty difficulty = packet.func_149192_g();
|
|
//$$ int maxPlayers = packet.func_149193_h();
|
|
//$$ WorldType worldType = packet.func_149196_i();
|
|
//$$
|
|
//$$ p = new S01PacketJoinGame(entId, GameType.ADVENTURE, false, dimension,
|
|
//$$ difficulty, maxPlayers, worldType);
|
|
//#endif
|
|
}
|
|
|
|
if(p instanceof SPacketRespawn) {
|
|
SPacketRespawn respawn = (SPacketRespawn) p;
|
|
//#if MC>=10809
|
|
p = new SPacketRespawn(respawn.func_212643_b(),
|
|
respawn.getDifficulty(), respawn.getWorldType(), GameType.SPECTATOR);
|
|
//#else
|
|
//$$ p = new S07PacketRespawn(respawn.func_149082_c(),
|
|
//$$ respawn.func_149081_d(), respawn.func_149080_f(),
|
|
//#if MC>=10800
|
|
//$$ GameType.SPECTATOR);
|
|
//#else
|
|
//$$ GameType.ADVENTURE);
|
|
//#endif
|
|
//#endif
|
|
|
|
allowMovement = true;
|
|
}
|
|
|
|
if(p instanceof SPacketPlayerPosLook) {
|
|
final SPacketPlayerPosLook ppl = (SPacketPlayerPosLook) p;
|
|
if(!hasWorldLoaded) hasWorldLoaded = true;
|
|
|
|
if (mc.currentScreen instanceof GuiDownloadTerrain) {
|
|
// Close the world loading screen manually in case we swallow the packet
|
|
mc.displayGuiScreen(null);
|
|
}
|
|
|
|
if(replayHandler.shouldSuppressCameraMovements()) return null;
|
|
|
|
CameraEntity cent = replayHandler.getCameraEntity();
|
|
|
|
//#if MC>=10800
|
|
//#if MC>=10904
|
|
for (SPacketPlayerPosLook.EnumFlags relative : ppl.getFlags()) {
|
|
//#else
|
|
//$$ for (Object relative : ppl.func_179834_f()) {
|
|
//#endif
|
|
if (relative == SPacketPlayerPosLook.EnumFlags.X
|
|
|| relative == SPacketPlayerPosLook.EnumFlags.Y
|
|
|| relative == SPacketPlayerPosLook.EnumFlags.Z) {
|
|
return null; // At least one of the coordinates is relative, so we don't care
|
|
}
|
|
}
|
|
//#endif
|
|
|
|
if(cent != null) {
|
|
//#if MC>=10809
|
|
if(!allowMovement && !((Math.abs(cent.posX - ppl.getX()) > TP_DISTANCE_LIMIT) ||
|
|
(Math.abs(cent.posZ - ppl.getZ()) > TP_DISTANCE_LIMIT))) {
|
|
//#else
|
|
//$$ if(!allowMovement && !((Math.abs(cent.posX - ppl.func_148932_c()) > TP_DISTANCE_LIMIT) ||
|
|
//$$ (Math.abs(cent.posZ - ppl.func_148933_e()) > TP_DISTANCE_LIMIT))) {
|
|
//#endif
|
|
return null;
|
|
} else {
|
|
allowMovement = false;
|
|
}
|
|
}
|
|
|
|
new Runnable() {
|
|
@Override
|
|
@SuppressWarnings("unchecked")
|
|
public void run() {
|
|
if (mc.world == null || !mc.isCallingFromMinecraftThread()) {
|
|
ReplayMod.instance.runLater(this);
|
|
return;
|
|
}
|
|
|
|
CameraEntity cent = replayHandler.getCameraEntity();
|
|
//#if MC>=10809
|
|
cent.setCameraPosition(ppl.getX(), ppl.getY(), ppl.getZ());
|
|
//#else
|
|
//$$ cent.setCameraPosition(ppl.func_148932_c(), ppl.func_148928_d(), ppl.func_148933_e());
|
|
//#endif
|
|
}
|
|
}.run();
|
|
}
|
|
|
|
if(p instanceof SPacketChangeGameState) {
|
|
SPacketChangeGameState pg = (SPacketChangeGameState)p;
|
|
int reason = pg.getGameState();
|
|
|
|
// only allow the following packets:
|
|
// 1 - End raining
|
|
// 2 - Begin raining
|
|
//
|
|
// The following values are to control sky color (e.g. if thunderstorm)
|
|
// 7 - Fade value
|
|
// 8 - Fade time
|
|
if(!(reason == 1 || reason == 2 || reason == 7 || reason == 8)) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
if (p instanceof SPacketChat) {
|
|
if (!ReplayModReplay.instance.getCore().getSettingsRegistry().get(Setting.SHOW_CHAT)) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
return asyncMode ? processPacketAsync(p) : processPacketSync(p);
|
|
}
|
|
|
|
@Override
|
|
@SuppressWarnings("unchecked")
|
|
public void channelActive(ChannelHandlerContext ctx) throws Exception {
|
|
this.ctx = ctx;
|
|
//#if MC>=10904
|
|
ctx.channel().attr(NetworkManager.PROTOCOL_ATTRIBUTE_KEY).set(EnumConnectionState.PLAY);
|
|
//#else
|
|
//#if MC>=10800
|
|
//$$ ctx.attr(NetworkManager.attrKeyConnectionState).set(EnumConnectionState.PLAY);
|
|
//#endif
|
|
//#endif
|
|
super.channelActive(ctx);
|
|
}
|
|
|
|
@Override
|
|
public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {
|
|
// The embedded channel's event loop will consider every thread to be in it and as such provides no
|
|
// guarantees that only one thread is using the pipeline at any one time.
|
|
// For reading the replay sender (either sync or async) is the only thread ever writing.
|
|
// For writing it may very well happen that multiple threads want to use the pipline at the same time.
|
|
// It's unclear whether the EmbeddedChannel is supposed to be thread-safe (the behavior of the event loop
|
|
// does suggest that). However it seems like it either isn't (likely) or there is a race condition.
|
|
// See: https://www.replaymod.com/forum/thread/1752#post8045 (https://paste.replaymod.com/lotacatuwo)
|
|
// To work around this issue, we just outright drop all write/flush requests (they aren't needed anyway).
|
|
// This still leaves channel handlers upstream with the threading issue but they all seem to cope well with it.
|
|
promise.setSuccess();
|
|
}
|
|
|
|
@Override
|
|
public void flush(ChannelHandlerContext ctx) throws Exception {
|
|
// See write method above
|
|
}
|
|
|
|
/**
|
|
* Returns the speed of the replay. 1 being normal speed, 0.5 half and 2 twice as fast.
|
|
* If 0 is returned, the replay is paused.
|
|
* @return speed multiplier
|
|
*/
|
|
@Override
|
|
public double getReplaySpeed() {
|
|
if(!paused()) return replaySpeed;
|
|
else return 0;
|
|
}
|
|
|
|
/**
|
|
* Set the speed of the replay. 1 being normal speed, 0.5 half and 2 twice as fast.
|
|
* The speed may not be set to 0 nor to negative values.
|
|
* @param d Speed multiplier
|
|
*/
|
|
@Override
|
|
public void setReplaySpeed(final double d) {
|
|
if(d != 0) this.replaySpeed = d;
|
|
//#if MC>=11200
|
|
mc.timer.tickLength = WrappedTimer.DEFAULT_MS_PER_TICK / (float) d;
|
|
//#else
|
|
//$$ mc.timer.timerSpeed = (float) d;
|
|
//#endif
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////
|
|
// Asynchronous packet processing //
|
|
/////////////////////////////////////////////////////////
|
|
|
|
/**
|
|
* The real time at which the last packet was sent in milliseconds.
|
|
*/
|
|
private long lastPacketSent;
|
|
|
|
/**
|
|
* There is no waiting performed until a packet with at least this timestamp is reached (but not yet sent).
|
|
* If this is -1, then timing is normal.
|
|
*/
|
|
private long desiredTimeStamp = -1;
|
|
|
|
/**
|
|
* Runnable which performs timed dispatching of packets from the input stream.
|
|
*/
|
|
private Runnable asyncSender = new Runnable() {
|
|
public void run() {
|
|
try {
|
|
while (ctx == null && !terminate) {
|
|
Thread.sleep(10);
|
|
}
|
|
REPLAY_LOOP:
|
|
while (!terminate) {
|
|
synchronized (FullReplaySender.this) {
|
|
if (replayIn == null) {
|
|
replayIn = replayFile.getPacketData(new ReplayStudio(), true);
|
|
}
|
|
// Packet loop
|
|
while (true) {
|
|
try {
|
|
// When playback is paused and the world has loaded (we don't want any dirt-screens) we sleep
|
|
while (paused() && hasWorldLoaded) {
|
|
// Unless we are going to terminate, restart or jump
|
|
if (terminate || startFromBeginning || desiredTimeStamp != -1) {
|
|
break;
|
|
}
|
|
Thread.sleep(10);
|
|
}
|
|
|
|
if (terminate) {
|
|
break REPLAY_LOOP;
|
|
}
|
|
|
|
if (startFromBeginning) {
|
|
// In case we need to restart from the beginning
|
|
// break out of the loop sending all packets which will
|
|
// cause the replay to be restarted by the outer loop
|
|
break;
|
|
}
|
|
|
|
// Read the next packet if we don't already have one
|
|
if (nextPacket == null) {
|
|
nextPacket = new PacketData(replayIn, loginPhase);
|
|
}
|
|
|
|
int nextTimeStamp = nextPacket.timestamp;
|
|
|
|
// If we aren't jumping and the world has already been loaded (no dirt-screens) then wait
|
|
// the required amount to get proper packet timing
|
|
if (!isHurrying() && hasWorldLoaded) {
|
|
// How much time should have passed
|
|
int timeWait = (int) Math.round((nextTimeStamp - lastTimeStamp) / replaySpeed);
|
|
// How much time did pass
|
|
long timeDiff = System.currentTimeMillis() - lastPacketSent;
|
|
// How much time we need to wait to make up for the difference
|
|
long timeToSleep = Math.max(0, timeWait - timeDiff);
|
|
|
|
Thread.sleep(timeToSleep);
|
|
lastPacketSent = System.currentTimeMillis();
|
|
}
|
|
|
|
// Process packet
|
|
channelRead(ctx, nextPacket.bytes);
|
|
nextPacket = null;
|
|
|
|
lastTimeStamp = nextTimeStamp;
|
|
|
|
// In case we finished jumping
|
|
// We need to check that we aren't planing to restart so we don't accidentally run this
|
|
// code before we actually restarted
|
|
if (isHurrying() && lastTimeStamp > desiredTimeStamp && !startFromBeginning) {
|
|
desiredTimeStamp = -1;
|
|
|
|
replayHandler.moveCameraToTargetPosition();
|
|
|
|
// Pause after jumping
|
|
setReplaySpeed(0);
|
|
}
|
|
} catch (EOFException eof) {
|
|
// Reached end of file
|
|
// Pause the replay which will cause it to freeze before getting restarted
|
|
setReplaySpeed(0);
|
|
// Then wait until the user tells us to continue
|
|
while (paused() && hasWorldLoaded && desiredTimeStamp == -1 && !terminate) {
|
|
Thread.sleep(10);
|
|
}
|
|
break;
|
|
} catch (IOException e) {
|
|
e.printStackTrace();
|
|
}
|
|
}
|
|
|
|
// Restart the replay.
|
|
hasWorldLoaded = false;
|
|
lastTimeStamp = 0;
|
|
loginPhase = true;
|
|
startFromBeginning = false;
|
|
nextPacket = null;
|
|
lastPacketSent = System.currentTimeMillis();
|
|
replayHandler.restartedReplay();
|
|
if (replayIn != null) {
|
|
replayIn.close();
|
|
replayIn = null;
|
|
}
|
|
}
|
|
}
|
|
} catch (Exception e) {
|
|
e.printStackTrace();
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Return whether this replay sender is currently rushing. When rushing, all packets are sent without waiting until
|
|
* a specified timestamp is passed.
|
|
* @return {@code true} if currently rushing, {@code false} otherwise
|
|
*/
|
|
public boolean isHurrying() {
|
|
return desiredTimeStamp != -1;
|
|
}
|
|
|
|
/**
|
|
* Cancels the hurrying.
|
|
*/
|
|
public void stopHurrying() {
|
|
desiredTimeStamp = -1;
|
|
}
|
|
|
|
/**
|
|
* Return the timestamp to which this replay sender is currently rushing. All packets with an lower or equal
|
|
* timestamp will be sent out without any sleeping.
|
|
* @return The timestamp in milliseconds since the start of the replay
|
|
*/
|
|
public long getDesiredTimestamp() {
|
|
return desiredTimeStamp;
|
|
}
|
|
|
|
/**
|
|
* Jumps to the specified timestamp when in async mode by rushing all packets until one with a timestamp greater
|
|
* than the specified timestamp is found.
|
|
* If the timestamp has already passed, this causes the replay to restart and then rush all packets.
|
|
* @param millis Timestamp in milliseconds since the start of the replay
|
|
*/
|
|
@Override
|
|
public void jumpToTime(int millis) {
|
|
Preconditions.checkState(asyncMode, "Can only jump in async mode. Use sendPacketsTill(int) instead.");
|
|
if(millis < lastTimeStamp && !isHurrying()) {
|
|
startFromBeginning = true;
|
|
}
|
|
|
|
desiredTimeStamp = millis;
|
|
}
|
|
|
|
protected Packet processPacketAsync(Packet p) {
|
|
//If hurrying, ignore some packets, except for short durations
|
|
if(desiredTimeStamp - lastTimeStamp > 1000) {
|
|
if(p instanceof SPacketParticles) return null;
|
|
|
|
if(p instanceof SPacketSpawnObject) {
|
|
SPacketSpawnObject pso = (SPacketSpawnObject)p;
|
|
int type = pso.getType();
|
|
if(type == 76) { // Firework rocket
|
|
return null;
|
|
}
|
|
}
|
|
}
|
|
return p;
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////
|
|
// Synchronous packet processing //
|
|
/////////////////////////////////////////////////////////
|
|
|
|
/**
|
|
* Sends all packets until the specified timestamp is reached (inclusive).
|
|
* If the timestamp is smaller than the last packet sent, the replay is restarted from the beginning.
|
|
* @param timestamp The timestamp in milliseconds since the beginning of this replay
|
|
*/
|
|
@Override
|
|
public void sendPacketsTill(int timestamp) {
|
|
Preconditions.checkState(!asyncMode, "This method cannot be used in async mode. Use jumpToTime(int) instead.");
|
|
try {
|
|
while (ctx == null && !terminate) { // Make sure channel is ready
|
|
Thread.sleep(10);
|
|
}
|
|
|
|
synchronized (this) {
|
|
if (timestamp == lastTimeStamp) { // Do nothing if we're already there
|
|
return;
|
|
}
|
|
if (timestamp < lastTimeStamp) { // Restart the replay if we need to go backwards in time
|
|
hasWorldLoaded = false;
|
|
lastTimeStamp = 0;
|
|
if (replayIn != null) {
|
|
replayIn.close();
|
|
replayIn = null;
|
|
}
|
|
loginPhase = true;
|
|
startFromBeginning = false;
|
|
nextPacket = null;
|
|
replayHandler.restartedReplay();
|
|
}
|
|
|
|
if (replayIn == null) {
|
|
replayIn = replayFile.getPacketData(new ReplayStudio(), true);
|
|
}
|
|
|
|
while (true) { // Send packets
|
|
try {
|
|
PacketData pd;
|
|
if (nextPacket != null) {
|
|
// If there is still a packet left from before, use it first
|
|
pd = nextPacket;
|
|
nextPacket = null;
|
|
} else {
|
|
// Otherwise read one from the input stream
|
|
pd = new PacketData(replayIn, loginPhase);
|
|
}
|
|
|
|
int nextTimeStamp = pd.timestamp;
|
|
if (nextTimeStamp > timestamp) {
|
|
// We are done sending all packets
|
|
nextPacket = pd;
|
|
break;
|
|
}
|
|
|
|
// Process packet
|
|
channelRead(ctx, pd.bytes);
|
|
} catch (EOFException eof) {
|
|
// Shit! We hit the end before finishing our job! What shall we do now?
|
|
// well, let's just pretend we're done...
|
|
replayIn = null;
|
|
break;
|
|
} catch (IOException e) {
|
|
e.printStackTrace();
|
|
}
|
|
}
|
|
|
|
// This might be required if we change to async mode anytime soon
|
|
lastPacketSent = System.currentTimeMillis();
|
|
lastTimeStamp = timestamp;
|
|
}
|
|
} catch (Exception e) {
|
|
e.printStackTrace();
|
|
}
|
|
}
|
|
|
|
protected Packet processPacketSync(Packet p) {
|
|
//#if MC>=10904
|
|
if (p instanceof SPacketUnloadChunk) {
|
|
SPacketUnloadChunk packet = (SPacketUnloadChunk) p;
|
|
int x = packet.getX();
|
|
int z = packet.getZ();
|
|
//#else
|
|
//#if MC>=10809
|
|
//$$ if (p instanceof S21PacketChunkData && ((S21PacketChunkData) p).getExtractedSize() == 0) {
|
|
//$$ S21PacketChunkData packet = (S21PacketChunkData) p;
|
|
//$$ int x = packet.getChunkX();
|
|
//$$ int z = packet.getChunkZ();
|
|
//#else
|
|
//$$ if (p instanceof S21PacketChunkData && ((S21PacketChunkData) p).func_149276_g() == 0) {
|
|
//$$ S21PacketChunkData packet = (S21PacketChunkData) p;
|
|
//$$ int x = packet.func_149273_e();
|
|
//$$ int z = packet.func_149271_f();
|
|
//#endif
|
|
//#endif
|
|
// If the chunk is getting unloaded, we will have to forcefully update the position of all entities
|
|
// within. Otherwise, if there wasn't a game tick recently, there may be entities that have moved
|
|
// out of the chunk by now but are still registered in it. If we do not update those, they will get
|
|
// unloaded even though they shouldn't.
|
|
// Note: This is only half of the truth. Entities may be removed by chunk-unloading, see else-case below.
|
|
// To make things worse, it seems like players were never supposed to be unloaded this way because
|
|
// they will remain glitched in the World#playerEntities list.
|
|
World world = mc.world;
|
|
IChunkProvider chunkProvider = world.getChunkProvider();
|
|
// Get the chunk that will be unloaded
|
|
//#if MC>=11300
|
|
Chunk chunk = chunkProvider.provideChunk(x, z, false, false);
|
|
//#else
|
|
//$$ Chunk chunk = chunkProvider.provideChunk(x, z);
|
|
//#endif
|
|
if (!chunk.isEmpty()) {
|
|
List<Entity> entitiesInChunk = new ArrayList<>();
|
|
// Gather all entities in that chunk
|
|
for (Collection<Entity> entityList : getEntityLists(chunk)) {
|
|
entitiesInChunk.addAll(entityList);
|
|
}
|
|
for (Entity entity : entitiesInChunk) {
|
|
// Skip interpolation of position updates coming from server
|
|
// (See: newX in EntityLivingBase or otherPlayerMPX in EntityOtherPlayerMP)
|
|
// Needs to be called at least 4 times thanks to
|
|
// EntityOtherPlayerMP#otherPlayerMPPosRotationIncrements (max vanilla value is 3)
|
|
for (int i = 0; i < 4; i++) {
|
|
//#if MC>=11300
|
|
entity.tick();
|
|
//#else
|
|
//$$ entity.onUpdate();
|
|
//#endif
|
|
}
|
|
|
|
// Check whether the entity has left the chunk
|
|
int chunkX = MathHelper.floor(entity.posX / 16);
|
|
int chunkZ = MathHelper.floor(entity.posZ / 16);
|
|
if (entity.chunkCoordX != chunkX || entity.chunkCoordZ != chunkZ) {
|
|
// Entity has left the chunk
|
|
chunk.removeEntityAtIndex(entity, entity.chunkCoordY);
|
|
//#if MC>=11300
|
|
Chunk newChunk = chunkProvider.provideChunk(chunkX, chunkZ, false, false);
|
|
//#else
|
|
//#if MC>=10904
|
|
//$$ Chunk newChunk = chunkProvider.getLoadedChunk(chunkX, chunkZ);
|
|
//#else
|
|
//$$ Chunk newChunk = chunkProvider.chunkExists(chunkX, chunkZ)
|
|
//$$ ? chunkProvider.provideChunk(chunkX, chunkZ) : null;
|
|
//#endif
|
|
//#endif
|
|
if (newChunk != null) {
|
|
newChunk.addEntity(entity);
|
|
} else {
|
|
// Entity has left all loaded chunks
|
|
entity.addedToChunk = false;
|
|
}
|
|
} else {
|
|
// When entities remain in a chunk that's to be unloaded, they'll only be added to a unload
|
|
// queue and remain loaded as before until the next tick (which during jumping is way off).
|
|
// So, if they are re-spawned with the same entity id, MC actually cleans up the old entity and
|
|
// then adds the new one but leaves the unload queue as is.
|
|
// Finally, on the next tick the legitimate entity will be unloaded because it's part of the
|
|
// unload queue (entities .equals based purely on their id). However, the old entity object
|
|
// is used to determine the chunk the entity is removed from and in this case that'll allow the
|
|
// legitimate entity to remain registered in a loaded chunk, causing them to still be rendered.
|
|
//
|
|
// The usual removal-due-to-chunk-unload process will, without touching the entityList, call
|
|
// onEntityRemoved. In that method WorldClient checks to see whether the entity is still in the
|
|
// entityList (which it is) and then adds it to the entitySpawnQueue.
|
|
// As the final result the entity will remain loaded.
|
|
// To get the same result without ticking, we just remove the entity from the to-be-unloaded
|
|
// chunk but keep it loaded otherwise. They won't be rendered because they're not part of any
|
|
// chunk and will be removed properly if the server decides to re-spawn the entity.
|
|
chunk.removeEntityAtIndex(entity, entity.chunkCoordY);
|
|
entity.addedToChunk = false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return p; // During synchronous playback everything is sent normally
|
|
}
|
|
|
|
private static final class PacketData {
|
|
private static final com.github.steveice10.netty.buffer.ByteBuf byteBuf = com.github.steveice10.netty.buffer.Unpooled.buffer();
|
|
private static final StudioCodec codecLoginPhase = new StudioCodec(new StudioSession(new ReplayStudio(), false, true));
|
|
private static final StudioCodec codecPlayPhase = new StudioCodec(new StudioSession(new ReplayStudio(), false, false));
|
|
|
|
private final int timestamp;
|
|
private final byte[] bytes;
|
|
|
|
PacketData(ReplayInputStream in, boolean loginPhase) throws IOException {
|
|
com.replaymod.replaystudio.PacketData data = in.readPacket();
|
|
timestamp = (int) data.getTime();
|
|
// We need to re-encode MCProtocolLib packets, so we can later decode them as NMS packets
|
|
// The main reason we aren't reading them as NMS packets is that we want ReplayStudio to be able
|
|
// to apply ViaVersion (and potentially other magic) to it.
|
|
synchronized (byteBuf) {
|
|
byteBuf.markReaderIndex(); // Mark the current reader and writer index (should be at start)
|
|
byteBuf.markWriterIndex();
|
|
|
|
try {
|
|
(loginPhase ? codecLoginPhase : codecPlayPhase).encode(null, data.getPacket(), byteBuf);
|
|
} catch (Exception e) {
|
|
throw new IOException(e);
|
|
}
|
|
|
|
bytes = new byte[byteBuf.readableBytes()]; // Create bytes array of sufficient size
|
|
byteBuf.readBytes(bytes); // Read all data into bytes
|
|
|
|
byteBuf.resetReaderIndex(); // Reset reader & writer index for next use
|
|
byteBuf.resetWriterIndex();
|
|
}
|
|
}
|
|
}
|
|
}
|