public void handleFlying(Packet10Flying par1Packet10Flying) {
WorldServer worldserver = mcServer.worldServerForDimension(playerEntity.dimension);
field_72584_h = true;
if (playerEntity.playerHasConqueredTheEnd) {
return;
}
if (!field_72587_r) {
double d = par1Packet10Flying.yPosition - lastPosY;
if (par1Packet10Flying.xPosition == lastPosX
&& d * d < 0.01D
&& par1Packet10Flying.zPosition == lastPosZ) {
field_72587_r = true;
}
}
if (field_72587_r) {
if (playerEntity.ridingEntity != null) {
float f = playerEntity.rotationYaw;
float f1 = playerEntity.rotationPitch;
playerEntity.ridingEntity.updateRiderPosition();
double d2 = playerEntity.posX;
double d4 = playerEntity.posY;
double d6 = playerEntity.posZ;
double d8 = 0.0D;
double d9 = 0.0D;
if (par1Packet10Flying.rotating) {
f = par1Packet10Flying.yaw;
f1 = par1Packet10Flying.pitch;
}
if (par1Packet10Flying.moving
&& par1Packet10Flying.yPosition == -999D
&& par1Packet10Flying.stance == -999D) {
if (par1Packet10Flying.xPosition > 1.0D || par1Packet10Flying.zPosition > 1.0D) {
System.err.println(
(new StringBuilder())
.append(playerEntity.username)
.append(" was caught trying to crash the server with an invalid position.")
.toString());
kickPlayerFromServer("Nope!");
return;
}
d8 = par1Packet10Flying.xPosition;
d9 = par1Packet10Flying.zPosition;
}
playerEntity.onGround = par1Packet10Flying.onGround;
playerEntity.onUpdateEntity();
playerEntity.moveEntity(d8, 0.0D, d9);
playerEntity.setPositionAndRotation(d2, d4, d6, f, f1);
playerEntity.motionX = d8;
playerEntity.motionZ = d9;
if (playerEntity.ridingEntity != null) {
worldserver.uncheckedUpdateEntity(playerEntity.ridingEntity, true);
}
if (playerEntity.ridingEntity != null) {
playerEntity.ridingEntity.updateRiderPosition();
}
mcServer.getConfigurationManager().func_72358_d(playerEntity);
lastPosX = playerEntity.posX;
lastPosY = playerEntity.posY;
lastPosZ = playerEntity.posZ;
worldserver.updateEntity(playerEntity);
return;
}
if (playerEntity.isPlayerSleeping()) {
playerEntity.onUpdateEntity();
playerEntity.setPositionAndRotation(
lastPosX, lastPosY, lastPosZ, playerEntity.rotationYaw, playerEntity.rotationPitch);
worldserver.updateEntity(playerEntity);
return;
}
double d1 = playerEntity.posY;
lastPosX = playerEntity.posX;
lastPosY = playerEntity.posY;
lastPosZ = playerEntity.posZ;
double d3 = playerEntity.posX;
double d5 = playerEntity.posY;
double d7 = playerEntity.posZ;
float f2 = playerEntity.rotationYaw;
float f3 = playerEntity.rotationPitch;
if (par1Packet10Flying.moving
&& par1Packet10Flying.yPosition == -999D
&& par1Packet10Flying.stance == -999D) {
par1Packet10Flying.moving = false;
}
if (par1Packet10Flying.moving) {
d3 = par1Packet10Flying.xPosition;
d5 = par1Packet10Flying.yPosition;
d7 = par1Packet10Flying.zPosition;
double d10 = par1Packet10Flying.stance - par1Packet10Flying.yPosition;
if (!playerEntity.isPlayerSleeping()
&& (d10 > 1.6499999999999999D || d10 < 0.10000000000000001D)) {
kickPlayerFromServer("Illegal stance");
logger.warning(
(new StringBuilder())
.append(playerEntity.username)
.append(" had an illegal stance: ")
.append(d10)
.toString());
return;
}
if (Math.abs(par1Packet10Flying.xPosition) > 32000000D
|| Math.abs(par1Packet10Flying.zPosition) > 32000000D) {
kickPlayerFromServer("Illegal position");
return;
}
}
if (par1Packet10Flying.rotating) {
f2 = par1Packet10Flying.yaw;
f3 = par1Packet10Flying.pitch;
}
playerEntity.onUpdateEntity();
playerEntity.ySize = 0.0F;
playerEntity.setPositionAndRotation(lastPosX, lastPosY, lastPosZ, f2, f3);
if (!field_72587_r) {
return;
}
double d11 = d3 - playerEntity.posX;
double d12 = d5 - playerEntity.posY;
double d13 = d7 - playerEntity.posZ;
double d14 = Math.min(Math.abs(d11), Math.abs(playerEntity.motionX));
double d15 = Math.min(Math.abs(d12), Math.abs(playerEntity.motionY));
double d16 = Math.min(Math.abs(d13), Math.abs(playerEntity.motionZ));
double d17 = d14 * d14 + d15 * d15 + d16 * d16;
if (d17 > 100D
&& (!mcServer.isSinglePlayer()
|| !mcServer.getServerOwner().equals(playerEntity.username))) {
logger.warning(
(new StringBuilder())
.append(playerEntity.username)
.append(" moved too quickly! ")
.append(d11)
.append(",")
.append(d12)
.append(",")
.append(d13)
.append(" (")
.append(d14)
.append(", ")
.append(d15)
.append(", ")
.append(d16)
.append(")")
.toString());
setPlayerLocation(
lastPosX, lastPosY, lastPosZ, playerEntity.rotationYaw, playerEntity.rotationPitch);
return;
}
float f4 = 0.0625F;
boolean flag =
worldserver
.getCollidingBoundingBoxes(
playerEntity, playerEntity.boundingBox.copy().contract(f4, f4, f4))
.isEmpty();
if (playerEntity.onGround && !par1Packet10Flying.onGround && d12 > 0.0D) {
playerEntity.addExhaustion(0.2F);
}
playerEntity.moveEntity(d11, d12, d13);
playerEntity.onGround = par1Packet10Flying.onGround;
playerEntity.addMovementStat(d11, d12, d13);
double d18 = d12;
d11 = d3 - playerEntity.posX;
d12 = d5 - playerEntity.posY;
if (d12 > -0.5D || d12 < 0.5D) {
d12 = 0.0D;
}
d13 = d7 - playerEntity.posZ;
d17 = d11 * d11 + d12 * d12 + d13 * d13;
boolean flag1 = false;
if (d17 > 0.0625D
&& !playerEntity.isPlayerSleeping()
&& !playerEntity.theItemInWorldManager.isCreative()) {
flag1 = true;
logger.warning(
(new StringBuilder())
.append(playerEntity.username)
.append(" moved wrongly!")
.toString());
}
playerEntity.setPositionAndRotation(d3, d5, d7, f2, f3);
boolean flag2 =
worldserver
.getCollidingBoundingBoxes(
playerEntity, playerEntity.boundingBox.copy().contract(f4, f4, f4))
.isEmpty();
if (flag && (flag1 || !flag2) && !playerEntity.isPlayerSleeping()) {
setPlayerLocation(lastPosX, lastPosY, lastPosZ, f2, f3);
return;
}
AxisAlignedBB axisalignedbb =
playerEntity
.boundingBox
.copy()
.expand(f4, f4, f4)
.addCoord(0.0D, -0.55000000000000004D, 0.0D);
if (!mcServer.isFlightAllowed()
&& !playerEntity.theItemInWorldManager.isCreative()
&& !worldserver.isAABBNonEmpty(axisalignedbb)) {
if (d18 >= -0.03125D) {
ticksForFloatKick++;
if (ticksForFloatKick > 80) {
logger.warning(
(new StringBuilder())
.append(playerEntity.username)
.append(" was kicked for floating too long!")
.toString());
kickPlayerFromServer("Flying is not enabled on this server");
return;
}
}
} else {
ticksForFloatKick = 0;
}
playerEntity.onGround = par1Packet10Flying.onGround;
mcServer.getConfigurationManager().func_72358_d(playerEntity);
playerEntity.updateFlyingState(playerEntity.posY - d1, par1Packet10Flying.onGround);
}
}
