mirror of
https://github.com/DarkflameUniverse/DarkflameServer.git
synced 2024-12-23 14:03:34 +00:00
523 lines
15 KiB
C++
523 lines
15 KiB
C++
#include "ReadyEvent.h"
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#include "RakPeerInterface.h"
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#include "BitStream.h"
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#include "MessageIdentifiers.h"
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#include "RakAssert.h"
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#ifdef _MSC_VER
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#pragma warning( push )
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#endif
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int ReadyEvent::RemoteSystemCompBySystemAddress( const SystemAddress &key, const RemoteSystem &data )
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{
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if (key < data.systemAddress)
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return -1;
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else if (key==data.systemAddress)
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return 0;
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else
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return 1;
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}
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int ReadyEvent::ReadyEventNodeComp( const int &key, ReadyEvent::ReadyEventNode * const &data )
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{
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if (key < data->eventId)
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return -1;
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else if (key==data->eventId)
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return 0;
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else
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return 1;
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}
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ReadyEvent::ReadyEvent()
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{
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channel=0;
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rakPeer=0;
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}
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ReadyEvent::~ReadyEvent()
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{
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Clear();
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}
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bool ReadyEvent::SetEvent(int eventId, bool isReady)
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{
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bool objectExists;
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unsigned eventIndex = readyEventNodeList.GetIndexFromKey(eventId, &objectExists);
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if (objectExists==false)
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{
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// Totally new event
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CreateEvent(eventId, isReady);
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}
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else
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{
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return SetEventByIndex(eventIndex, isReady);
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}
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return true;
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}
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bool ReadyEvent::DeleteEvent(int eventId)
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{
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bool objectExists;
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unsigned eventIndex = readyEventNodeList.GetIndexFromKey(eventId, &objectExists);
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if (objectExists)
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{
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delete readyEventNodeList[eventIndex];
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readyEventNodeList.RemoveAtIndex(eventIndex);
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return true;
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}
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return false;
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}
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bool ReadyEvent::IsEventSet(int eventId)
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{
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bool objectExists;
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unsigned eventIndex = readyEventNodeList.GetIndexFromKey(eventId, &objectExists);
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if (objectExists)
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{
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return readyEventNodeList[eventIndex]->eventStatus==ID_READY_EVENT_SET || readyEventNodeList[eventIndex]->eventStatus==ID_READY_EVENT_ALL_SET;
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}
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return false;
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}
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bool ReadyEvent::IsEventCompletionProcessing(int eventId) const
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{
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bool objectExists;
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unsigned eventIndex = readyEventNodeList.GetIndexFromKey(eventId, &objectExists);
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if (objectExists)
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{
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bool anyAllReady=false;
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bool allAllReady=true;
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ReadyEventNode *ren = readyEventNodeList[eventIndex];
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for (unsigned i=0; i < ren->systemList.Size(); i++)
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{
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if (ren->systemList[i].lastReceivedStatus==ID_READY_EVENT_ALL_SET)
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anyAllReady=true;
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else
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allAllReady=false;
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}
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return anyAllReady==true && allAllReady==false;
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}
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return false;
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}
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bool ReadyEvent::IsEventCompleted(int eventId) const
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{
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bool objectExists;
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unsigned eventIndex = readyEventNodeList.GetIndexFromKey(eventId, &objectExists);
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if (objectExists)
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{
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return IsEventCompletedByIndex(eventIndex);
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}
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return false;
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}
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bool ReadyEvent::HasEvent(int eventId)
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{
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return readyEventNodeList.HasData(eventId);
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}
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unsigned ReadyEvent::GetEventListSize(void) const
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{
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return readyEventNodeList.Size();
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}
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int ReadyEvent::GetEventAtIndex(unsigned index) const
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{
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return readyEventNodeList[index]->eventId;
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}
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bool ReadyEvent::AddToWaitList(int eventId, SystemAddress address)
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{
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bool eventExists;
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unsigned eventIndex = readyEventNodeList.GetIndexFromKey(eventId, &eventExists);
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if (eventExists==false)
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eventIndex=CreateEvent(eventId, false);
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// Don't do this, otherwise if we are trying to start a 3 player game, it will not allow the 3rd player to hit ready if the first two players have already done so
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//if (IsLocked(eventIndex))
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// return false; // Not in the list, but event is already completed, or is starting to complete, and adding more waiters would fail this.
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unsigned i;
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unsigned numAdded=0;
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if (address==UNASSIGNED_SYSTEM_ADDRESS)
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{
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for (i=0; i < rakPeer->GetMaximumNumberOfPeers(); i++)
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{
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SystemAddress internalAddress = rakPeer->GetSystemAddressFromIndex(i);
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if (internalAddress!=UNASSIGNED_SYSTEM_ADDRESS)
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{
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numAdded+=AddToWaitListInternal(eventIndex, internalAddress);
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}
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}
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}
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else
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{
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numAdded=AddToWaitListInternal(eventIndex, address);
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}
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if (numAdded>0)
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UpdateReadyStatus(eventIndex);
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return numAdded>0;
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}
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bool ReadyEvent::RemoveFromWaitList(int eventId, SystemAddress address)
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{
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bool eventExists;
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unsigned eventIndex = readyEventNodeList.GetIndexFromKey(eventId, &eventExists);
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if (eventExists)
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{
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if (address==UNASSIGNED_SYSTEM_ADDRESS)
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{
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// Remove all waiters
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readyEventNodeList[eventIndex]->systemList.Clear();
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UpdateReadyStatus(eventIndex);
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}
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else
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{
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bool systemExists;
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unsigned systemIndex = readyEventNodeList[eventIndex]->systemList.GetIndexFromKey(address, &systemExists);
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if (systemExists)
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{
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bool isCompleted = IsEventCompletedByIndex(eventIndex);
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readyEventNodeList[eventIndex]->systemList.RemoveAtIndex(systemIndex);
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if (isCompleted==false && IsEventCompletedByIndex(eventIndex))
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PushCompletionPacket(readyEventNodeList[eventIndex]->eventId);
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UpdateReadyStatus(eventIndex);
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return true;
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}
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}
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}
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return false;
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}
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bool ReadyEvent::IsInWaitList(int eventId, SystemAddress address)
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{
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bool objectExists;
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unsigned readyIndex = readyEventNodeList.GetIndexFromKey(eventId, &objectExists);
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if (objectExists)
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{
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return readyEventNodeList[readyIndex]->systemList.HasData(address);
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}
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return false;
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}
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unsigned ReadyEvent::GetRemoteWaitListSize(int eventId) const
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{
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bool objectExists;
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unsigned readyIndex = readyEventNodeList.GetIndexFromKey(eventId, &objectExists);
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if (objectExists)
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{
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return readyEventNodeList[readyIndex]->systemList.Size();
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}
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return 0;
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}
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SystemAddress ReadyEvent::GetFromWaitListAtIndex(int eventId, unsigned index) const
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{
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bool objectExists;
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unsigned readyIndex = readyEventNodeList.GetIndexFromKey(eventId, &objectExists);
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if (objectExists)
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{
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return readyEventNodeList[readyIndex]->systemList[index].systemAddress;
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}
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return UNASSIGNED_SYSTEM_ADDRESS;
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}
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ReadyEventSystemStatus ReadyEvent::GetReadyStatus(int eventId, SystemAddress address)
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{
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bool objectExists;
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unsigned readyIndex = readyEventNodeList.GetIndexFromKey(eventId, &objectExists);
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if (objectExists)
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{
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ReadyEventNode *ren = readyEventNodeList[readyIndex];
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unsigned systemIndex = ren->systemList.GetIndexFromKey(address, &objectExists);
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if (objectExists==false)
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return RES_NOT_WAITING;
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if (ren->systemList[systemIndex].lastReceivedStatus==ID_READY_EVENT_SET)
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return RES_READY;
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if (ren->systemList[systemIndex].lastReceivedStatus==ID_READY_EVENT_UNSET)
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return RES_WAITING;
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if (ren->systemList[systemIndex].lastReceivedStatus==ID_READY_EVENT_ALL_SET)
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return RES_ALL_READY;
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}
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return RES_UNKNOWN_EVENT;
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}
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void ReadyEvent::SetSendChannel(unsigned char newChannel)
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{
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channel=newChannel;
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}
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void ReadyEvent::OnAttach(RakPeerInterface *peer)
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{
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rakPeer=peer;
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}
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PluginReceiveResult ReadyEvent::OnReceive(RakPeerInterface *peer, Packet *packet)
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{
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unsigned char packetIdentifier;
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packetIdentifier = ( unsigned char ) packet->data[ 0 ];
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// bool doPrint = packet->systemAddress.port==60002 || rakPeer->GetInternalID(UNASSIGNED_SYSTEM_ADDRESS).port==60002;
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switch (packetIdentifier)
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{
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case ID_READY_EVENT_UNSET:
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case ID_READY_EVENT_SET:
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case ID_READY_EVENT_ALL_SET:
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// if (doPrint) {if (packet->systemAddress.port==60002) printf("FROM 60002: "); else if (rakPeer->GetInternalID(UNASSIGNED_SYSTEM_ADDRESS).port==60002) printf("TO 60002: "); printf("ID_READY_EVENT_SET\n");}
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OnReadyEventPacketUpdate(peer, packet);
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return RR_CONTINUE_PROCESSING;
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case ID_READY_EVENT_QUERY:
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// if (doPrint) {if (packet->systemAddress.port==60002) printf("FROM 60002: "); else if (rakPeer->GetInternalID(UNASSIGNED_SYSTEM_ADDRESS).port==60002) printf("TO 60002: "); printf("ID_READY_EVENT_QUERY\n");}
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OnReadyEventQuery(peer, packet);
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return RR_STOP_PROCESSING_AND_DEALLOCATE;
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case ID_DISCONNECTION_NOTIFICATION:
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case ID_CONNECTION_LOST:
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OnCloseConnection(peer, packet->systemAddress);
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return RR_CONTINUE_PROCESSING;
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}
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return RR_CONTINUE_PROCESSING;
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}
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bool ReadyEvent::AddToWaitListInternal(unsigned eventIndex, SystemAddress address)
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{
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ReadyEventNode *ren = readyEventNodeList[eventIndex];
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bool objectExists;
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unsigned systemIndex = ren->systemList.GetIndexFromKey(address, &objectExists);
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if (objectExists==false)
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{
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RemoteSystem rs;
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rs.lastReceivedStatus=ID_READY_EVENT_UNSET;
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rs.lastSentStatus=ID_READY_EVENT_UNSET;
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rs.systemAddress=address;
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ren->systemList.InsertAtIndex(rs,systemIndex);
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SendReadyStateQuery(ren->eventId, address);
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return true;
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}
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return false;
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}
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void ReadyEvent::OnReadyEventPacketUpdate(RakPeerInterface *peer, Packet *packet)
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{
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(void) peer;
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RakNet::BitStream incomingBitStream(packet->data, packet->length, false);
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incomingBitStream.IgnoreBits(8);
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int eventId;
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incomingBitStream.Read(eventId);
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bool objectExists;
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unsigned readyIndex = readyEventNodeList.GetIndexFromKey(eventId, &objectExists);
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if (objectExists)
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{
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ReadyEventNode *ren = readyEventNodeList[readyIndex];
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bool systemExists;
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unsigned systemIndex = ren->systemList.GetIndexFromKey(packet->systemAddress, &systemExists);
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if (systemExists)
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{
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// Just return if no change
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if (ren->systemList[systemIndex].lastReceivedStatus==packet->data[0])
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return;
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bool wasCompleted = IsEventCompletedByIndex(readyIndex);
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ren->systemList[systemIndex].lastReceivedStatus=packet->data[0];
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UpdateReadyStatus(readyIndex);
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if (wasCompleted==false && IsEventCompletedByIndex(readyIndex))
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PushCompletionPacket(readyIndex);
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}
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}
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}
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void ReadyEvent::OnReadyEventQuery(RakPeerInterface *peer, Packet *packet)
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{
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(void) peer;
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RakNet::BitStream incomingBitStream(packet->data, packet->length, false);
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incomingBitStream.IgnoreBits(8);
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int eventId;
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incomingBitStream.Read(eventId);
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bool objectExists;
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unsigned readyIndex = readyEventNodeList.GetIndexFromKey(eventId, &objectExists);
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if (objectExists)
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{
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unsigned systemIndex = readyEventNodeList[readyIndex]->systemList.GetIndexFromKey(packet->systemAddress,&objectExists);
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// Force the non-default send, because our initial send may have arrived at a system that didn't yet create the ready event
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if (objectExists)
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SendReadyUpdate(readyIndex, systemIndex, true);
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}
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}
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void ReadyEvent::OnCloseConnection(RakPeerInterface *peer, SystemAddress systemAddress)
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{
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(void) peer;
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(void) systemAddress;
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RemoveFromAllLists(systemAddress);
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}
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void ReadyEvent::OnShutdown(RakPeerInterface *peer)
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{
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(void) peer;
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Clear();
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}
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bool ReadyEvent::SetEventByIndex(int eventIndex, bool isReady)
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{
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ReadyEventNode *ren = readyEventNodeList[eventIndex];
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if ((ren->eventStatus==ID_READY_EVENT_ALL_SET || ren->eventStatus==ID_READY_EVENT_SET) && isReady==true)
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return true; // Success - no change
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if (ren->eventStatus==ID_READY_EVENT_UNSET && isReady==false)
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return true; // Success - no change
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if (isReady)
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ren->eventStatus=ID_READY_EVENT_SET;
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else
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ren->eventStatus=ID_READY_EVENT_UNSET;
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UpdateReadyStatus(eventIndex);
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// Check if now completed, and if so, tell the user about it
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if (IsEventCompletedByIndex(eventIndex))
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{
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PushCompletionPacket(ren->eventId);
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}
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return true;
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}
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bool ReadyEvent::IsEventCompletedByIndex(unsigned eventIndex) const
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{
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ReadyEventNode *ren = readyEventNodeList[eventIndex];
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unsigned i;
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if (ren->eventStatus!=ID_READY_EVENT_ALL_SET)
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return false;
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for (i=0; i < ren->systemList.Size(); i++)
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if (ren->systemList[i].lastReceivedStatus!=ID_READY_EVENT_ALL_SET)
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return false;
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return true;
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}
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void ReadyEvent::Clear(void)
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{
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unsigned i;
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for (i=0; i < readyEventNodeList.Size(); i++)
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{
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delete readyEventNodeList[i];
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}
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readyEventNodeList.Clear();
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}
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unsigned ReadyEvent::CreateEvent(int eventId, bool isReady)
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{
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ReadyEventNode *ren = new ReadyEventNode;
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ren->eventId=eventId;
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if (isReady==false)
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ren->eventStatus=ID_READY_EVENT_UNSET;
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else
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ren->eventStatus=ID_READY_EVENT_SET;
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return readyEventNodeList.Insert(eventId, ren, true);
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}
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void ReadyEvent::UpdateReadyStatus(unsigned eventIndex)
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{
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ReadyEventNode *ren = readyEventNodeList[eventIndex];
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bool anyUnset;
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unsigned i;
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if (ren->eventStatus==ID_READY_EVENT_SET)
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{
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// If you are set, and no other systems are ID_READY_EVENT_UNSET, then change your status to ID_READY_EVENT_ALL_SET
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anyUnset=false;
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for (i=0; i < ren->systemList.Size(); i++)
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{
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if (ren->systemList[i].lastReceivedStatus==ID_READY_EVENT_UNSET)
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{
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anyUnset=true;
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break;
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}
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}
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if (anyUnset==false)
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{
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ren->eventStatus=ID_READY_EVENT_ALL_SET;
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}
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}
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else if (ren->eventStatus==ID_READY_EVENT_ALL_SET)
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{
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// If you are all set, and any systems are ID_READY_EVENT_UNSET, then change your status to ID_READY_EVENT_SET
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anyUnset=false;
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for (i=0; i < ren->systemList.Size(); i++)
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{
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if (ren->systemList[i].lastReceivedStatus==ID_READY_EVENT_UNSET)
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{
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anyUnset=true;
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break;
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}
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}
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if (anyUnset==true)
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{
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ren->eventStatus=ID_READY_EVENT_SET;
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}
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}
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BroadcastReadyUpdate(eventIndex, false);
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}
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void ReadyEvent::SendReadyUpdate(unsigned eventIndex, unsigned systemIndex, bool forceIfNotDefault)
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{
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ReadyEventNode *ren = readyEventNodeList[eventIndex];
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RakNet::BitStream bs;
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// I do this rather than write true or false, so users that do not use BitStreams can still read the data
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if ((ren->eventStatus!=ren->systemList[systemIndex].lastSentStatus) ||
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(forceIfNotDefault && ren->eventStatus!=ID_READY_EVENT_UNSET))
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{
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bs.Write(ren->eventStatus);
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bs.Write(ren->eventId);
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rakPeer->Send(&bs, HIGH_PRIORITY, RELIABLE_ORDERED, channel, ren->systemList[systemIndex].systemAddress, false);
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ren->systemList[systemIndex].lastSentStatus=ren->eventStatus;
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}
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}
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void ReadyEvent::BroadcastReadyUpdate(unsigned eventIndex, bool forceIfNotDefault)
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{
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ReadyEventNode *ren = readyEventNodeList[eventIndex];
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unsigned systemIndex;
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for (systemIndex=0; systemIndex < ren->systemList.Size(); systemIndex++)
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{
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SendReadyUpdate(eventIndex, systemIndex, forceIfNotDefault);
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}
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}
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void ReadyEvent::SendReadyStateQuery(unsigned eventId, SystemAddress address)
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{
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RakNet::BitStream bs;
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bs.Write((MessageID)ID_READY_EVENT_QUERY);
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bs.Write(eventId);
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rakPeer->Send(&bs, HIGH_PRIORITY, RELIABLE_ORDERED, channel, address, false);
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}
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void ReadyEvent::RemoveFromAllLists(SystemAddress address)
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{
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unsigned eventIndex;
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for (eventIndex=0; eventIndex < readyEventNodeList.Size(); eventIndex++)
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{
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bool isCompleted = IsEventCompletedByIndex(eventIndex);
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bool systemExists;
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unsigned systemIndex;
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systemIndex = readyEventNodeList[eventIndex]->systemList.GetIndexFromKey(address, &systemExists);
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if (systemExists)
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readyEventNodeList[eventIndex]->systemList.RemoveAtIndex(systemIndex);
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UpdateReadyStatus(eventIndex);
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if (isCompleted==false && IsEventCompletedByIndex(eventIndex))
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PushCompletionPacket(readyEventNodeList[eventIndex]->eventId);
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}
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}
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void ReadyEvent::PushCompletionPacket(unsigned eventId)
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{
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(void) eventId;
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// Not necessary
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/*
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// Pass a packet to the user that we are now completed, as setting ourselves to signaled was the last thing being waited on
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Packet *p = rakPeer->AllocatePacket(sizeof(MessageID)+sizeof(int));
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RakNet::BitStream bs(p->data, sizeof(MessageID)+sizeof(int), false);
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bs.SetWriteOffset(0);
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bs.Write((MessageID)ID_READY_EVENT_ALL_SET);
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bs.Write(eventId);
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rakPeer->PushBackPacket(p, false);
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*/
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}
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#ifdef _MSC_VER
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#pragma warning( pop )
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#endif
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