public void handleFlying(Packet10Flying packet10flying) {
WorldServer worldserver = mcServer.getWorldManager(playerEntity.dimension);
field_22003_h = true;
if (!hasMoved) {
double d = packet10flying.yPosition - lastPosY;
if (packet10flying.xPosition == lastPosX
&& d * d < 0.01D
&& packet10flying.zPosition == lastPosZ) {
hasMoved = true;
}
}
if (hasMoved) {
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 (packet10flying.rotating) {
f = packet10flying.yaw;
f1 = packet10flying.pitch;
}
if (packet10flying.moving
&& packet10flying.yPosition == -999D
&& packet10flying.stance == -999D) {
d8 = packet10flying.xPosition;
d9 = packet10flying.zPosition;
}
playerEntity.onGround = packet10flying.onGround;
playerEntity.onUpdateEntity(true);
playerEntity.moveEntity(d8, 0.0D, d9);
playerEntity.setPositionAndRotation(d2, d4, d6, f, f1);
playerEntity.motionX = d8;
playerEntity.motionZ = d9;
if (playerEntity.ridingEntity != null) {
worldserver.func_12017_b(playerEntity.ridingEntity, true);
}
if (playerEntity.ridingEntity != null) {
playerEntity.ridingEntity.updateRiderPosition();
}
mcServer.configManager.func_613_b(playerEntity);
lastPosX = playerEntity.posX;
lastPosY = playerEntity.posY;
lastPosZ = playerEntity.posZ;
worldserver.updateEntity(playerEntity);
return;
}
if (playerEntity.func_22057_E()) {
playerEntity.onUpdateEntity(true);
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 (packet10flying.moving
&& packet10flying.yPosition == -999D
&& packet10flying.stance == -999D) {
packet10flying.moving = false;
}
if (packet10flying.moving) {
d3 = packet10flying.xPosition;
d5 = packet10flying.yPosition;
d7 = packet10flying.zPosition;
double d10 = packet10flying.stance - packet10flying.yPosition;
if (!playerEntity.func_22057_E()
&& (d10 > 1.6499999999999999D || d10 < 0.10000000000000001D)) {
kickPlayer("Illegal stance");
logger.warning(
(new StringBuilder())
.append(playerEntity.username)
.append(" had an illegal stance: ")
.append(d10)
.toString());
return;
}
if (Math.abs(packet10flying.xPosition) > 32000000D
|| Math.abs(packet10flying.zPosition) > 32000000D) {
kickPlayer("Illegal position");
return;
}
}
if (packet10flying.rotating) {
f2 = packet10flying.yaw;
f3 = packet10flying.pitch;
}
playerEntity.onUpdateEntity(true);
playerEntity.ySize = 0.0F;
playerEntity.setPositionAndRotation(lastPosX, lastPosY, lastPosZ, f2, f3);
if (!hasMoved) {
return;
}
double d11 = d3 - playerEntity.posX;
double d12 = d5 - playerEntity.posY;
double d13 = d7 - playerEntity.posZ;
double d14 = d11 * d11 + d12 * d12 + d13 * d13;
if (d14 > 100D) {
logger.warning(
(new StringBuilder())
.append(playerEntity.username)
.append(" moved too quickly!")
.toString());
kickPlayer("You moved too quickly :( (Hacking?)");
return;
}
float f4 = 0.0625F;
boolean flag =
worldserver
.getCollidingBoundingBoxes(
playerEntity, playerEntity.boundingBox.copy().getInsetBoundingBox(f4, f4, f4))
.size()
== 0;
playerEntity.moveEntity(d11, d12, d13);
d11 = d3 - playerEntity.posX;
d12 = d5 - playerEntity.posY;
if (d12 > -0.5D || d12 < 0.5D) {
d12 = 0.0D;
}
d13 = d7 - playerEntity.posZ;
d14 = d11 * d11 + d12 * d12 + d13 * d13;
boolean flag1 = false;
if (d14 > 0.0625D && !playerEntity.func_22057_E()) {
flag1 = true;
logger.warning(
(new StringBuilder())
.append(playerEntity.username)
.append(" moved wrongly!")
.toString());
System.out.println(
(new StringBuilder())
.append("Got position ")
.append(d3)
.append(", ")
.append(d5)
.append(", ")
.append(d7)
.toString());
System.out.println(
(new StringBuilder())
.append("Expected ")
.append(playerEntity.posX)
.append(", ")
.append(playerEntity.posY)
.append(", ")
.append(playerEntity.posZ)
.toString());
}
playerEntity.setPositionAndRotation(d3, d5, d7, f2, f3);
boolean flag2 =
worldserver
.getCollidingBoundingBoxes(
playerEntity, playerEntity.boundingBox.copy().getInsetBoundingBox(f4, f4, f4))
.size()
== 0;
if (flag && (flag1 || !flag2) && !playerEntity.func_22057_E()) {
teleportTo(lastPosX, lastPosY, lastPosZ, f2, f3);
return;
}
AxisAlignedBB axisalignedbb =
playerEntity
.boundingBox
.copy()
.expand(f4, f4, f4)
.addCoord(0.0D, -0.55000000000000004D, 0.0D);
if (!mcServer.allowFlight && !worldserver.func_27069_b(axisalignedbb)) {
if (d12 >= -0.03125D) {
playerInAirTime++;
if (playerInAirTime > 80) {
logger.warning(
(new StringBuilder())
.append(playerEntity.username)
.append(" was kicked for floating too long!")
.toString());
kickPlayer("Flying is not enabled on this server");
return;
}
}
} else {
playerInAirTime = 0;
}
playerEntity.onGround = packet10flying.onGround;
mcServer.configManager.func_613_b(playerEntity);
playerEntity.handleFalling(playerEntity.posY - d1, packet10flying.onGround);
}
}
