mirror of
https://bitbucket.org/seefoe/dsrc.git
synced 2026-07-31 01:15:55 -04:00
298 lines
10 KiB
Plaintext
298 lines
10 KiB
Plaintext
//----------------------------------------------------------
|
|
// pet_ping.script
|
|
// -----------------------------------------------------------------------
|
|
// This script is a re-hash of vehicle_ping.script, altered to function for pets
|
|
// Original script notes listed below.
|
|
//
|
|
// This script is attached to a vehicle. It is setup to
|
|
// send a ping to the vehicle's vehicle control device (PCD).
|
|
// If the PCD does not respond to the ping in a timely fashion
|
|
// or it responds with an indication that this vehicle is not
|
|
// supposed to be out, the vehicle is destroyed. A positive
|
|
// acknowledgement from the PCD is required for the vehicle
|
|
// to continue to exist in the world.
|
|
//----------------------------------------------------------
|
|
|
|
include library.callable;
|
|
include library.pet_lib;
|
|
include library.utils;
|
|
|
|
//----------------------------------------------------------
|
|
|
|
const string PCDPING_PCD_SCRIPT_NAME = "ai.pcd_ping_response";
|
|
|
|
const string PCDPING_SEND_MESSAGE_NUMBER = "pcdping.sendMsgNumber";
|
|
const string PCDPING_LAST_ACK_MESSAGE_NUMBER = "pcdping.lastAckNumber";
|
|
|
|
const string PCDPING_MESSAGE_PET_ID_NAME = "petId";
|
|
const string PCDPING_MESSAGE_MESSAGE_ID_NAME = "messageId";
|
|
const string PCDPING_MESSAGE_RIDER_ID_NAME = "riderId";
|
|
|
|
const string PCDPING_PING_CALLBACK_NAME = "petPingCallback";
|
|
const string PCDPING_PCD_MESSAGEHANDLER_NAME = "handlePetPing";
|
|
|
|
const int PCDPING_MAX_UNACKNOWLEDGED_MESSAGE_COUNT = 3;
|
|
const int PCDPING_PING_INTERVAL_INITIAL = 1;
|
|
const int PCDPING_PING_INTERVAL_STANDARD = 300;
|
|
const int PCDPING_PING_INTERVAL_RETRY = 30;
|
|
|
|
const boolean debug = false;
|
|
|
|
//----------------------------------------------------------
|
|
|
|
trigger OnAttach()
|
|
{
|
|
if (debug)
|
|
LOG("pcdping-debug", "pet_ping.OnAttach(): self = [" + self + "] entered");
|
|
|
|
//-- Initialize pcd ping variables.
|
|
// Note: these objvars are not expensive because pets are not persisted.
|
|
setObjVar(self, PCDPING_SEND_MESSAGE_NUMBER, 0);
|
|
setObjVar(self, PCDPING_LAST_ACK_MESSAGE_NUMBER, 0);
|
|
|
|
//-- Kick off the first ping heartbeat now.
|
|
messageTo(self, PCDPING_PING_CALLBACK_NAME, null, PCDPING_PING_INTERVAL_INITIAL, false);
|
|
|
|
if (debug)
|
|
LOG("pcdping-debug", "pet_ping.OnAttach(): self = [" + self + "] exited");
|
|
|
|
return SCRIPT_CONTINUE;
|
|
}
|
|
|
|
//----------------------------------------------------------
|
|
/**
|
|
* This is the heartbeat callback function for the pet/pcd ping system.
|
|
*/
|
|
|
|
messageHandler petPingCallback()
|
|
{
|
|
if (debug)
|
|
LOG("pcdping-debug", "pet_ping.petPingCallback(): self = [" + self + "] entered");
|
|
|
|
|
|
obj_id player = getRiderId(self);
|
|
if(!isValidId(player) && pet_lib.isMount(self))
|
|
{
|
|
pet_lib.storePet(self);
|
|
return SCRIPT_CONTINUE;
|
|
}
|
|
|
|
//-- Setup the new pet ping message number. These get incremented by 1 each ping callback.
|
|
const int previousMessageNumber = getIntObjVar(self, PCDPING_SEND_MESSAGE_NUMBER);
|
|
const int newMessageNumber = previousMessageNumber + 1;
|
|
setObjVar(self, PCDPING_SEND_MESSAGE_NUMBER, newMessageNumber);
|
|
|
|
//-- If previousMessageNumber == 0, this means we're just starting.
|
|
if (previousMessageNumber == 0)
|
|
ensurePcdHasSisterScript(self);
|
|
|
|
//-- Retrieve the last PCD-acknowledged message number.
|
|
const int mostRecentAcknowledgedMessageNumber = getIntObjVar(self, PCDPING_LAST_ACK_MESSAGE_NUMBER);
|
|
|
|
//-- Check if we've exceeded the maximum number of unacknowledged
|
|
const int unacknowledgedGap = previousMessageNumber - mostRecentAcknowledgedMessageNumber;
|
|
if (unacknowledgedGap > PCDPING_MAX_UNACKNOWLEDGED_MESSAGE_COUNT)
|
|
{
|
|
boolean killSuccess = doPingBasedKill(self, "pet received no acknowledgement from PCD, killing pet with unacknowleged gap=[" + unacknowledgedGap + "]. PCD appears to be unloaded.");
|
|
if (killSuccess)
|
|
return SCRIPT_CONTINUE;
|
|
else
|
|
{
|
|
LOG("mounts-bug", "pet_ping.petPingCallback(): doPingBasedKill() failed for pet=[" + self + "], continuing ping loop so that we can try to kill it later.");
|
|
// continue through here so we requeue the callback for another attempt (or possible recovery) later.
|
|
}
|
|
}
|
|
|
|
//-- Determine next callback interval based on whether our most recent send was acknowledged.
|
|
// If our most recent send has been acknowledged, use the infrequent, standard time interval
|
|
// for this callback. Otherwise accelerate the ping so we get rid of this suspect pet
|
|
// more rapidly.
|
|
const int nextCallbackInterval = (unacknowledgedGap <= 0) ? PCDPING_PING_INTERVAL_STANDARD : PCDPING_PING_INTERVAL_RETRY;
|
|
|
|
//-- Setup ping message to the pet control device.
|
|
// Get the PCD id.
|
|
obj_id controlDevice = callable.getCallableCD(self);
|
|
|
|
const boolean hasValidPcd = isIdValid(controlDevice);
|
|
|
|
if (!hasValidPcd)
|
|
{
|
|
boolean killSuccess = doPingBasedKill(self, "pet does not have a valid PCD objvar");
|
|
if (killSuccess)
|
|
return SCRIPT_CONTINUE;
|
|
else
|
|
{
|
|
LOG("mounts-bug", "pet_ping.petPingCallback(): doPingBasedKill() failed for pet=[" + self + "], continuing ping loop so that we can try to kill it later.");
|
|
// continue through here so we requeue the callback for another attempt (or possible recovery) later.
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Construct the dictionary of info about this pet that we'll pass to the PCD.
|
|
dictionary messageData = new dictionary();
|
|
|
|
messageData.put(PCDPING_MESSAGE_PET_ID_NAME, self);
|
|
messageData.put(PCDPING_MESSAGE_MESSAGE_ID_NAME, newMessageNumber);
|
|
|
|
// If this pet has a rider, include the rider id.
|
|
obj_id riderId = getRiderId(self);
|
|
if (isIdValid(riderId))
|
|
messageData.put(PCDPING_MESSAGE_RIDER_ID_NAME, riderId);
|
|
|
|
// Send the ping message to the PCD, get it there as fast as possible.
|
|
messageTo(controlDevice, PCDPING_PCD_MESSAGEHANDLER_NAME, messageData, 1, false);
|
|
|
|
if (debug)
|
|
LOG("pcdping-debug", "pet_ping.petPingCallback(): self = [" + self + "] sent ping message to PCD.");
|
|
}
|
|
|
|
|
|
//-- Enqueue next pet ping callback.
|
|
messageTo(self, PCDPING_PING_CALLBACK_NAME, null, nextCallbackInterval, false);
|
|
|
|
if (debug)
|
|
LOG("pcdping-debug", "pet_ping.petPingCallback(): self = [" + self + "] exited");
|
|
|
|
return SCRIPT_CONTINUE;
|
|
}
|
|
|
|
//----------------------------------------------------------
|
|
/**
|
|
* This message is sent by the PCD and received by the pet
|
|
* when the PCD is in agreement that this pet should be out.
|
|
*/
|
|
|
|
messageHandler handlePositiveAcknowledgementFromPcd()
|
|
{
|
|
if (debug)
|
|
LOG("pcdping-debug", "pet_ping.handlePositiveAcknowledgementFromPcd(): self = [" + self + "] entered");
|
|
|
|
//-- Extract the acknowledgement message number from the message data.
|
|
const int ackMessageNumber = params.getInt(PCDPING_MESSAGE_MESSAGE_ID_NAME);
|
|
|
|
//-- Retrieve the last acknowledged message number for the pet.
|
|
const int mostRecentAckMessageNumber = getIntObjVar(self, PCDPING_LAST_ACK_MESSAGE_NUMBER);
|
|
|
|
//-- Apply message ack number if it is larger than the largest ack number we've seen so far.
|
|
if (ackMessageNumber > mostRecentAckMessageNumber)
|
|
{
|
|
// This message is an ack to a newer message number than the previous highest ack. Store it.
|
|
setObjVar(self, PCDPING_LAST_ACK_MESSAGE_NUMBER, ackMessageNumber);
|
|
|
|
if (debug)
|
|
LOG("pcdping-debug", "pet_ping.handlePositiveAcknowledgementFromPcd(): processed newer positive PCD ack number=[" + ackMessageNumber + "]");
|
|
}
|
|
else
|
|
{
|
|
// Skip this ack --- it's an ack for an older message when we've already received a newer one.
|
|
if (debug)
|
|
LOG("pcdping-debug", "pet_ping.handlePositiveAcknowledgementFromPcd(): discarded older positive PCD ack number=[" + ackMessageNumber + "], highest ack is [" + mostRecentAckMessageNumber + "]");
|
|
}
|
|
|
|
if (debug)
|
|
LOG("pcdping-debug", "pet_ping.handlePositiveAcknowledgementFromPcd(): self = [" + self + "] exited");
|
|
|
|
return SCRIPT_CONTINUE;
|
|
}
|
|
|
|
//----------------------------------------------------------
|
|
/**
|
|
* This message is sent by the PCD and received by the pet
|
|
* when the PCD does not believe this pet should be out.
|
|
*/
|
|
|
|
messageHandler handleNegativeAcknowledgementFromPcd()
|
|
{
|
|
if (debug)
|
|
LOG("pcdping-debug", "pet_ping.handleNegativeAcknowledgementFromPcd(): self = [" + self + "] entered");
|
|
|
|
//-- Destroy the pet now.
|
|
const boolean killSuccess = doPingBasedKill(self, "PCD indicated that this pet should not exist");
|
|
if (debug)
|
|
LOG("pcdping-debug", "pet_ping.handleNegativeAcknowledgementFromPcd(): self = [" + self + "] attempted to kill pet per PCD request. killSuccess=[" + killSuccess + "]");
|
|
|
|
if (debug)
|
|
LOG("pcdping-debug", "pet_ping.handleNegativeAcknowledgementFromPcd(): self = [" + self + "] exited");
|
|
|
|
return SCRIPT_CONTINUE;
|
|
}
|
|
|
|
//----------------------------------------------------------
|
|
|
|
boolean doPingBasedKill(obj_id pet, string reason)
|
|
{
|
|
if(debug)
|
|
LOG("pcdping-debug", "pet_ping.doPingBasedKill(): pet = [" + pet + "] entered");
|
|
|
|
//-- Log the ping-based kill.
|
|
LOG("pcdping-kill", "Killing pet id=[" + pet + "]: reason=[" + reason + "]");
|
|
|
|
//-- Destroy the pet.
|
|
|
|
// Dismount the rider of this mount/pet if there's anything on it.
|
|
obj_id rider = getRiderId(pet);
|
|
|
|
if(isIdValid(rider))
|
|
{
|
|
// Do the dismount immediately.
|
|
boolean dismountSuccess = pet_lib.doDismountNow(rider);
|
|
|
|
if(!dismountSuccess)
|
|
{
|
|
LOG("mounts-bug", "pet_ping.doPingBasedKill(): creature [" + pet + "], rider [" + rider + "] failed to dismount. Will still try to kill the pet.");
|
|
}
|
|
}
|
|
|
|
// Destroy the pet.
|
|
obj_id petControlDevice = callable.getCallableCD(pet);
|
|
pet_lib.savePetInfo(pet, petControlDevice);
|
|
utils.setScriptVar(pet, "stored", true);
|
|
|
|
boolean killSuccess = destroyObject(pet);
|
|
|
|
if(!killSuccess)
|
|
{
|
|
LOG("pcdping-kill", "failed to destroy pet=[" + pet + "].");
|
|
}
|
|
|
|
if(debug)
|
|
{
|
|
LOG("pcdping-debug", "pet_ping.doPingBasedKill(): pet = [" + pet + "] exited");
|
|
}
|
|
|
|
return killSuccess;
|
|
}
|
|
|
|
//----------------------------------------------------------
|
|
|
|
void ensurePcdHasSisterScript(obj_id pet)
|
|
{
|
|
//-- Double check that the PCD for this pet has the PCD sister script attached.
|
|
// @todo might as well handle this here and remove the one that attaches the script
|
|
// to the PCD via the pet_control_device.script's OnInitialize() trigger.
|
|
|
|
// Get the pet control device.
|
|
obj_id controlDevice = callable.getCallableCD(pet);
|
|
|
|
// Ensure that the PCD has the pet ping response script attached.
|
|
if(isIdValid(controlDevice) && !hasScript(controlDevice, PCDPING_PCD_SCRIPT_NAME))
|
|
{
|
|
if (debug)
|
|
{
|
|
LOG("pcdping-debug", "pet_ping.ensurePcdHasSisterScript(): attaching script [" + PCDPING_PCD_SCRIPT_NAME + "] to PCD id=[" + controlDevice + "]");
|
|
}
|
|
|
|
attachScript(controlDevice, PCDPING_PCD_SCRIPT_NAME);
|
|
}
|
|
else
|
|
{
|
|
if (debug)
|
|
{
|
|
LOG("pcdping-debug", "pet_ping.ensurePcdHasSisterScript(): couldn't attach script [" + PCDPING_PCD_SCRIPT_NAME + "] to PCD because didn't have objvar");
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
//----------------------------------------------------------
|