@Inject(
method = "newExplosion",
at = @At(value = "INVOKE", target = "Lnet/minecraft/world/Explosion;doExplosionA()V"),
locals = LocalCapture.CAPTURE_FAILHARD,
cancellable = true)
public void callWorldOnExplosionEvent(
Entity entityIn,
double x,
double y,
double z,
float strength,
boolean isFlaming,
boolean isSmoking,
CallbackInfoReturnable<Explosion> cir,
Explosion explosion) {
final ExplosionEvent.Pre event =
SpongeEventFactory.createExplosionEventPre(
Sponge.getGame(),
Cause.of(this),
(org.spongepowered.api.world.explosion.Explosion) explosion,
(org.spongepowered.api.world.World) this);
if (Sponge.getGame().getEventManager().post(event)) {
cir.setReturnValue(explosion);
}
}
/**
* @Author Zidane
*
* <p>Invoke before {@code System.arraycopy(packetIn.getLines(), 0, tileentitysign.signText, 0,
* 4);} (line 1156 in source) to call SignChangeEvent.
*
* @param packetIn Injected packet param
* @param ci Info to provide mixin on how to handle the callback
* @param worldserver Injected world param
* @param blockpos Injected blockpos param
* @param tileentity Injected tilentity param
* @param tileentitysign Injected tileentitysign param
*/
@Inject(
method = "processUpdateSign",
at =
@At(
value = "INVOKE",
target =
"Lnet/minecraft/network/play/client/C12PacketUpdateSign;getLines()[Lnet/minecraft/util/IChatComponent;"),
cancellable = true,
locals = LocalCapture.CAPTURE_FAILSOFT)
public void callSignChangeEvent(
C12PacketUpdateSign packetIn,
CallbackInfo ci,
WorldServer worldserver,
BlockPos blockpos,
TileEntity tileentity,
TileEntitySign tileentitysign) {
ci.cancel();
final Optional<SignData> existingSignData = ((Sign) tileentitysign).getData();
if (!existingSignData.isPresent()) {
// TODO Unsure if this is the best to do here...
throw new RuntimeException("Critical error! Sign data not present on sign!");
}
final SignData changedSignData = existingSignData.get().copy();
for (int i = 0; i < packetIn.getLines().length; i++) {
changedSignData.setLine(i, SpongeTexts.toText(packetIn.getLines()[i]));
}
// I pass changedSignData in here twice to emulate the fact that even-though the current sign
// data doesn't have the lines from the packet
// applied, this is what it "is" right now. If the data shown in the world is desired, it can be
// fetched from Sign.getData
final SignChangeEvent event =
SpongeEventFactory.createSignChange(
Sponge.getGame(),
new Cause(null, this.playerEntity, null),
(Sign) tileentitysign,
changedSignData,
changedSignData);
if (!Sponge.getGame().getEventManager().post(event)) {
((Sign) tileentitysign).offer(event.getNewData());
} else {
// If cancelled, I set the data back that was fetched from the sign. This means that if its a
// new sign, the sign will be empty else
// it will be the text of the sign that was showing in the world
((Sign) tileentitysign).offer(existingSignData.get());
}
tileentitysign.markDirty();
worldserver.markBlockForUpdate(blockpos);
}
/**
* @author Simon816
* <p>Fire the PlayerQuitEvent before playerLoggedOut is called in order for event handlers to
* change the quit message captured from {@link #onSendChatMsgCall}.
*/
@Inject(
method = "onDisconnect",
at =
@At(
value = "INVOKE",
target =
"Lnet/minecraft/server/management/ServerConfigurationManager;playerLoggedOut(Lnet/minecraft/entity/player/EntityPlayerMP;)V"))
public void onDisconnectPlayer(IChatComponent reason, CallbackInfo ci) {
PlayerQuitEvent event =
SpongeImplEventFactory.createPlayerQuit(
Sponge.getGame(),
(Player) this.playerEntity,
SpongeTexts.toText(this.tmpQuitMessage),
((Player) this.playerEntity).getMessageSink());
this.tmpQuitMessage = null;
Sponge.getGame().getEventManager().post(event);
event.getSink().sendMessage(event.getNewMessage());
}
@Inject(
method = "randomTick",
at = @At(value = "HEAD"),
locals = LocalCapture.CAPTURE_FAILEXCEPTION,
cancellable = true)
public void callRandomTickEvent(
World world, BlockPos pos, IBlockState state, Random rand, CallbackInfo ci) {
final BlockRandomTickEvent event =
SpongeEventFactory.createBlockRandomTick(
Sponge.getGame(),
null,
new Location<org.spongepowered.api.world.World>(
(org.spongepowered.api.world.World) world,
VecHelper.toVector(pos))); // TODO Fix null Cause
Sponge.getGame().getEventManager().post(event);
if (event.isCancelled()) {
ci.cancel();
}
}
@Inject(
method = "processPlayer",
at =
@At(
value = "FIELD",
target = "net.minecraft.network.NetHandlerPlayServer.hasMoved:Z",
ordinal = 2),
cancellable = true)
public void proccesPlayerMoved(C03PacketPlayer packetIn, CallbackInfo ci) {
if (packetIn.isMoving() || packetIn.getRotating() && !this.playerEntity.isDead) {
Player player = (Player) this.playerEntity;
Vector3d fromrot = player.getRotation();
// If Sponge used the player's current location, the delta might never be triggered which
// could be exploited
Location from = player.getLocation();
if (this.lastMoveLocation != null) {
from = this.lastMoveLocation;
}
Vector3d torot = new Vector3d(packetIn.getPitch(), packetIn.getYaw(), 0);
Location to =
new Location(
player.getWorld(),
packetIn.getPositionX(),
packetIn.getPositionY(),
packetIn.getPositionZ());
// Minecraft sends a 0, 0, 0 position when rotation only update occurs, this needs to be
// recognized and corrected
boolean rotationOnly = !packetIn.isMoving() && packetIn.getRotating();
if (rotationOnly) {
// Correct the to location so it's not misrepresented to plugins, only when player rotates
// without moving
// In this case it's only a rotation update, which isn't related to the to location
from = player.getLocation();
to = from;
}
// Minecraft does the same with rotation when it's only a positional update
boolean positionOnly = packetIn.isMoving() && !packetIn.getRotating();
if (positionOnly) {
// Correct the new rotation to match the old rotation
torot = fromrot;
}
double deltaSquared = to.getPosition().distanceSquared(from.getPosition());
double deltaAngleSquared = fromrot.distanceSquared(torot);
// These magic numbers are sad but help prevent excessive lag from this event.
// eventually it would be nice to not have them
if (deltaSquared > ((1f / 16) * (1f / 16)) || deltaAngleSquared > (.15f * .15f)) {
PlayerMoveEvent event =
SpongeEventFactory.createPlayerMove(Sponge.getGame(), player, from, to, torot);
Sponge.getGame().getEventManager().post(event);
if (event.isCancelled()) {
player.setLocationAndRotation(from, fromrot);
this.lastMoveLocation = from;
ci.cancel();
} else if (!event.getNewLocation().equals(to)) {
player.setLocationAndRotation(event.getNewLocation(), event.getRotation());
this.lastMoveLocation = event.getNewLocation();
ci.cancel();
} else if (!from.equals(player.getLocation()) && this.justTeleported) {
this.lastMoveLocation = player.getLocation();
// Prevent teleports during the move event from causing odd behaviors
this.justTeleported = false;
ci.cancel();
} else {
this.lastMoveLocation = event.getNewLocation();
}
}
}
}
private SpongeVanilla() {
Guice.createInjector(new VanillaGuiceModule(this, LogManager.getLogger("Sponge")))
.getInstance(Sponge.class);
this.game = Sponge.getGame();
}