//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
QAngle CPathTrack::GetOrientation( bool bForwardDir )
{
TrackOrientationType_t eOrient = GetOrientationType();
if ( eOrient == TrackOrientation_FacePathAngles )
{
return GetLocalAngles();
}
CPathTrack *pPrev = this;
CPathTrack *pNext = GetNextInDir( bForwardDir );
if ( !pNext )
{ pPrev = GetNextInDir( !bForwardDir );
pNext = this;
}
Vector vecDir = pNext->GetLocalOrigin() - pPrev->GetLocalOrigin();
QAngle angDir;
VectorAngles( vecDir, angDir );
return angDir;
}
// ==========================================================
// given a start node and a list of goal nodes
// calculate the distance between each
// ==========================================================
void CTeamTrainWatcher::WatcherActivate( void )
{
m_flRecedeTime = 0;
m_bWaitingToRecede = false;
m_bCapBlocked = false;
m_flNextSpeakForwardConceptTime = 0;
m_hAreaCap = NULL;
m_flTrainDistanceFromStart = 0.0f;
m_bAlarmPlayed = false;
m_Sparks.Purge();
StopCaptureAlarm();
// init our train
m_hTrain = dynamic_cast<CFuncTrackTrain*>( gEntList.FindEntityByName( NULL, m_iszTrain ) );
if ( !m_hTrain )
{
Warning("%s failed to find train named '%s'\n", GetClassname(), STRING( m_iszTrain ) );
}
// find the trigger area that will give us movement updates and find the sparks (if we're going to handle the train movement)
if ( m_bHandleTrainMovement )
{
if ( m_hTrain )
{
CTriggerAreaCapture *pArea = dynamic_cast<CTriggerAreaCapture *>( gEntList.FindEntityByClassname( NULL, "trigger_capture_area" ) );
while( pArea )
{
if ( pArea->GetParent() == m_hTrain.Get() )
{
// this is the capture area we care about, so let it know that we want updates on the capture numbers
pArea->SetTrainWatcher( this );
break;
}
pArea = dynamic_cast<CTriggerAreaCapture *>( gEntList.FindEntityByClassname( pArea, "trigger_capture_area" ) );
}
}
// init the sprites (if any)
CEnvSpark *pSpark = dynamic_cast<CEnvSpark*>( gEntList.FindEntityByName( NULL, m_iszSparkName ) );
while ( pSpark )
{
m_Sparks.AddToTail( pSpark );
pSpark = dynamic_cast<CEnvSpark*>( gEntList.FindEntityByName( pSpark, m_iszSparkName ) );
}
}
// init our array of path_tracks linked to control points
m_iNumCPLinks = 0;
int i;
for ( i = 0 ; i < MAX_CONTROL_POINTS ; i++ )
{
CPathTrack *pPathTrack = dynamic_cast<CPathTrack*>( gEntList.FindEntityByName( NULL, m_iszLinkedPathTracks[i] ) );
CTeamControlPoint *pCP = dynamic_cast<CTeamControlPoint*>( gEntList.FindEntityByName( NULL, m_iszLinkedCPs[i] ) );
if ( pPathTrack && pCP )
{
m_CPLinks[m_iNumCPLinks].hPathTrack = pPathTrack;
m_CPLinks[m_iNumCPLinks].hCP = pCP;
m_CPLinks[m_iNumCPLinks].flDistanceFromStart = 0; // filled in when we parse the nodes
m_CPLinks[m_iNumCPLinks].bAlertPlayed = false;
m_iNumCPLinks++;
}
}
// init our start and goal nodes
m_hStartNode = dynamic_cast<CPathTrack*>( gEntList.FindEntityByName( NULL, m_iszStartNode ) );
if ( !m_hStartNode )
{
Warning("%s failed to find path_track named '%s'\n", GetClassname(), STRING(m_iszStartNode) );
}
m_hGoalNode = dynamic_cast<CPathTrack*>( gEntList.FindEntityByName( NULL, m_iszGoalNode ) );
if ( !m_hGoalNode )
{
Warning("%s failed to find path_track named '%s'\n", GetClassname(), STRING(m_iszGoalNode) );
}
m_flTotalPathDistance = 0.0f;
CUtlVector< float > hillData;
bool bOnHill = false;
bool bDownHillData[TEAM_TRAIN_MAX_HILLS];
Q_memset( bDownHillData, 0, sizeof( bDownHillData ) );
int iHillCount = 0;
if( m_hStartNode.Get() && m_hGoalNode.Get() )
{
CPathTrack *pNode = m_hStartNode;
CPathTrack *pPrev = pNode;
CPathTrack *pHillStart = NULL;
pNode = pNode->GetNext();
int iHillType = HILL_TYPE_NONE;
// don't check the start node for links. If it's linked, it will have 0 distance anyway
while ( pNode )
{
Vector dir = pNode->GetLocalOrigin() - pPrev->GetLocalOrigin();
float length = dir.Length();
m_flTotalPathDistance += length;
// gather our hill data for the HUD
if ( pNode->GetHillType() != iHillType )
{
if ( !bOnHill ) // we're at the start of a hill
{
hillData.AddToTail( m_flTotalPathDistance );
bOnHill = true;
pHillStart = pNode;
if ( iHillCount < TEAM_TRAIN_MAX_HILLS )
{
bDownHillData[iHillCount] = pNode->IsDownHill() ? true : false;
iHillCount++;
}
}
else // we're at the end of a hill
{
float flDistance = m_flTotalPathDistance - length; // subtract length because the prev node was the end of the hill (not this one)
if ( pHillStart && ( pHillStart == pPrev ) )
{
flDistance = m_flTotalPathDistance; // we had a single node marked as a hill, so we'll use the current distance as the next marker
}
hillData.AddToTail( flDistance );
// is our current node the start of another hill?
if ( pNode->GetHillType() != HILL_TYPE_NONE )
{
hillData.AddToTail( m_flTotalPathDistance );
bOnHill = true;
pHillStart = pNode;
if ( iHillCount < TEAM_TRAIN_MAX_HILLS )
{
bDownHillData[iHillCount] = pNode->IsDownHill() ? true : false;
iHillCount++;
}
}
else
{
bOnHill = false;
pHillStart = NULL;
}
}
iHillType = pNode->GetHillType();
}
// if pNode is one of our cp nodes, store its distance from m_hStartNode
for ( i = 0 ; i < m_iNumCPLinks ; i++ )
{
if ( m_CPLinks[i].hPathTrack == pNode )
{
m_CPLinks[i].flDistanceFromStart = m_flTotalPathDistance;
break;
}
}
if ( pNode == m_hGoalNode )
break;
pPrev = pNode;
pNode = pNode->GetNext();
}
}
// if we don't have an even number of entries in our hill data (beginning/end) add the final distance
if ( ( hillData.Count() % 2 ) != 0 )
{
hillData.AddToTail( m_flTotalPathDistance );
}
if ( ObjectiveResource() )
{
ObjectiveResource()->ResetHillData( GetTeamNumber() );
// convert our hill data into 0-1 percentages for networking
if ( m_flTotalPathDistance > 0 && hillData.Count() > 0 )
{
i = 0;
while ( i < hillData.Count() )
{
if ( i < TEAM_TRAIN_HILLS_ARRAY_SIZE - 1 ) // - 1 because we want to use 2 entries
{
// add/subtract to the hill start/end to fix rounding errors in the HUD when the train
// stops at the bottom/top of a hill but the HUD thinks the train is still on the hill
ObjectiveResource()->SetHillData( GetTeamNumber(), (hillData[i] / m_flTotalPathDistance) + 0.005f, (hillData[i+1] / m_flTotalPathDistance) - 0.005f, bDownHillData[i/2] );
}
i = i + 2;
}
}
}
// We have total distance and increments in our links array
for ( i=0;i<m_iNumCPLinks;i++ )
{
int iCPIndex = m_CPLinks[i].hCP.Get()->GetPointIndex();
// This can be pulled once DoD includes team_objectiveresource.* and c_team_objectiveresource.*
#ifndef DOD_DLL
ObjectiveResource()->SetTrainPathDistance( iCPIndex, m_CPLinks[i].flDistanceFromStart / m_flTotalPathDistance );
#endif
}
#ifdef GLOWS_ENABLE
FindGlowEntity();
#endif // GLOWS_ENABLE
InternalSetSpeedForwardModifier( m_flSpeedForwardModifier );
SetContextThink( &CTeamTrainWatcher::WatcherThink, gpGlobals->curtime + 0.1, TW_THINK );
}
//-----------------------------------------------------------------------------
// Purpose: Dumb linear serach of the path
// Input : *pStart - starting path node
// &startPosition - starting position
// &destination - position to move close to
// Output : int move direction 1 = forward, -1 = reverse, 0 = stop
//-----------------------------------------------------------------------------
int PathFindDirection( CPathTrack *pStart, const Vector &startPosition, const Vector &destination )
{
if ( !pStart )
return 0; // no path, don't move
CPathTrack *pPath = pStart->m_pnext;
CPathTrack *pNearest = pStart;
float nearestDist = (pNearest->GetLocalOrigin() - destination).LengthSqr();
float length = 0;
float nearestForward = 0, nearestReverse = 0;
do
{
float dist = (pPath->GetLocalOrigin() - destination).LengthSqr();
// This is closer than our current estimate
if ( dist < nearestDist )
{
nearestDist = dist;
pNearest = pPath;
nearestForward = length; // current path length forward
nearestReverse = 0; // count until we hit the start again
}
CPathTrack *pNext = pPath->m_pnext;
if ( pNext )
{
// UNDONE: Cache delta in path?
float delta = (pNext->GetLocalOrigin() - pPath->GetLocalOrigin()).LengthSqr();
length += delta;
// add to current reverse estimate
nearestReverse += delta;
pPath = pNext;
}
else
{
// not a looping path
// traverse back to other end of the path
int fail = 0;
while ( pPath->m_pprevious )
{
fail++;
// HACKHACK: Don't infinite loop
if ( fail > 256 )
break;
pPath = pPath->m_pprevious;
}
// don't take the reverse path to old node
nearestReverse = nearestForward + 1;
// dont' take forward path to new node (if we find one)
length = (float)COORD_EXTENT * (float)COORD_EXTENT; // HACKHACK: Max quad length
}
} while ( pPath != pStart );
// UNDONE: Fix this fudge factor
// if you are already at the path, or <100 units away, don't move
if ( pNearest == pStart || (pNearest->GetLocalOrigin() - startPosition).LengthSqr() < 100 )
return 0;
if ( nearestForward <= nearestReverse )
return 1;
return -1;
}
void CTeamTrainWatcher::WatcherThink( void )
{
if ( m_bWaitingToRecede )
{
if ( m_flRecedeTime < gpGlobals->curtime )
{
m_bWaitingToRecede = false;
// don't actually recede in overtime
if ( TeamplayRoundBasedRules() && !TeamplayRoundBasedRules()->InOvertime() )
{
// fire recede output
m_OnTrainStartRecede.FireOutput( this, this );
HandleTrainMovement( true );
}
}
}
bool bDisableAlarm = (TeamplayRoundBasedRules() && TeamplayRoundBasedRules()->State_Get() != GR_STATE_RND_RUNNING);
if ( bDisableAlarm )
{
StopCaptureAlarm();
}
// given its next node, we can walk the nodes and find the linear
// distance to the next cp node, or to the goal node
CFuncTrackTrain *pTrain = m_hTrain;
if ( pTrain )
{
int iOldTrainSpeedLevel = m_iTrainSpeedLevel;
// how fast is the train moving?
float flSpeed = pTrain->GetDesiredSpeed();
// divide speed into regions
// anything negative is -1
if ( flSpeed < 0 )
{
m_iTrainSpeedLevel = -1;
// even though our desired speed might be negative,
// our actual speed might be zero if we're at a dead end...
// this will turn off the < image when the train is done moving backwards
if ( pTrain->GetCurrentSpeed() == 0 )
{
m_iTrainSpeedLevel = 0;
}
}
else if ( flSpeed > m_flSpeedLevels[2] )
{
m_iTrainSpeedLevel = 3;
}
else if ( flSpeed > m_flSpeedLevels[1] )
{
m_iTrainSpeedLevel = 2;
}
else if ( flSpeed > m_flSpeedLevels[0] )
{
m_iTrainSpeedLevel = 1;
}
else
{
m_iTrainSpeedLevel = 0;
}
if ( m_iTrainSpeedLevel != iOldTrainSpeedLevel )
{
// make sure the sparks are off if we're not moving backwards anymore
if ( m_bHandleTrainMovement )
{
if ( m_iTrainSpeedLevel == 0 && iOldTrainSpeedLevel != 0 )
{
HandleSparks( false );
}
}
// play any concepts that we might need to play
if ( TeamplayRoundBasedRules() )
{
if ( m_iTrainSpeedLevel == 0 && iOldTrainSpeedLevel != 0 )
{
TeamplayRoundBasedRules()->HaveAllPlayersSpeakConceptIfAllowed( MP_CONCEPT_CART_STOP );
m_flNextSpeakForwardConceptTime = 0;
}
else if ( m_iTrainSpeedLevel < 0 && iOldTrainSpeedLevel == 0 )
{
TeamplayRoundBasedRules()->HaveAllPlayersSpeakConceptIfAllowed( MP_CONCEPT_CART_MOVING_BACKWARD );
m_flNextSpeakForwardConceptTime = 0;
}
}
}
if ( m_iTrainSpeedLevel > 0 && m_flNextSpeakForwardConceptTime < gpGlobals->curtime )
{
if ( m_hAreaCap.Get() )
{
for ( int i = 1; i <= gpGlobals->maxClients; i++ )
{
CBaseMultiplayerPlayer *pPlayer = ToBaseMultiplayerPlayer( UTIL_PlayerByIndex( i ) );
if ( pPlayer )
{
if ( m_hAreaCap->IsTouching( pPlayer ) )
{
pPlayer->SpeakConceptIfAllowed( MP_CONCEPT_CART_MOVING_FORWARD );
}
}
}
}
m_flNextSpeakForwardConceptTime = gpGlobals->curtime + 3.0;
}
// what percent progress are we at?
CPathTrack *pNode = ( pTrain->m_ppath ) ? pTrain->m_ppath->GetNext() : NULL;
// if we're moving backwards, GetNext is going to be wrong
if ( flSpeed < 0 )
{
pNode = pTrain->m_ppath;
}
if ( pNode )
{
float flDistanceToGoal = 0;
// distance to next node
Vector vecDir = pNode->GetLocalOrigin() - pTrain->GetLocalOrigin();
flDistanceToGoal = vecDir.Length();
// distance of next node to goal node
if ( pNode && pNode != m_hGoalNode )
{
// walk this until we get to goal node, or a dead end
CPathTrack *pPrev = pNode;
pNode = pNode->GetNext();
while ( pNode )
{
vecDir = pNode->GetLocalOrigin() - pPrev->GetLocalOrigin();
flDistanceToGoal += vecDir.Length();
if ( pNode == m_hGoalNode )
break;
pPrev = pNode;
pNode = pNode->GetNext();
}
}
if ( m_flTotalPathDistance <= 0 )
{
Assert( !"No path distance in team_train_watcher\n" );
m_flTotalPathDistance = 1;
}
m_flTotalProgress = clamp( 1.0 - ( flDistanceToGoal / m_flTotalPathDistance ), 0.0, 1.0 );
m_flTrainDistanceFromStart = m_flTotalPathDistance - flDistanceToGoal;
// play alert sounds if necessary
for ( int iCount = 0 ; iCount < m_iNumCPLinks ; iCount++ )
{
if ( m_flTrainDistanceFromStart < m_CPLinks[iCount].flDistanceFromStart - TEAM_TRAIN_ALERT_DISTANCE )
{
// back up twice the alert distance before resetting our flag to play the warning again
if ( ( m_flTrainDistanceFromStart < m_CPLinks[iCount].flDistanceFromStart - ( TEAM_TRAIN_ALERT_DISTANCE * 2 ) ) || // has receded back twice the alert distance or...
( !m_bTrainCanRecede ) ) // used to catch the case where the train doesn't normally recede but has rolled back down a hill away from the CP
{
// reset our alert flag
m_CPLinks[iCount].bAlertPlayed = false;
}
}
else
{
if ( m_flTrainDistanceFromStart < m_CPLinks[iCount].flDistanceFromStart && !m_CPLinks[iCount].bAlertPlayed )
{
m_CPLinks[iCount].bAlertPlayed = true;
bool bFinalPointInMap = false;
CTeamControlPoint *pCurrentPoint = m_CPLinks[iCount].hCP.Get();
CTeamControlPointMaster *pMaster = g_hControlPointMasters.Count() ? g_hControlPointMasters[0] : NULL;
if ( pMaster )
{
// if we're not playing mini-rounds
if ( !pMaster->PlayingMiniRounds() )
{
for ( int i = FIRST_GAME_TEAM ; i < MAX_CONTROL_POINT_TEAMS ; i++ )
{
if ( ObjectiveResource() && ObjectiveResource()->TeamCanCapPoint( pCurrentPoint->GetPointIndex(), i ) )
{
if ( pMaster->WouldNewCPOwnerWinGame( pCurrentPoint, i ) )
{
bFinalPointInMap = true;
}
}
}
}
else
{
// or this is the last round
if ( pMaster->NumPlayableControlPointRounds() == 1 )
{
CTeamControlPointRound *pRound = pMaster->GetCurrentRound();
if ( pRound )
{
for ( int i = FIRST_GAME_TEAM ; i < MAX_CONTROL_POINT_TEAMS ; i++ )
{
if ( ObjectiveResource() && ObjectiveResource()->TeamCanCapPoint( pCurrentPoint->GetPointIndex(), i ) )
{
if ( pRound->WouldNewCPOwnerWinGame( pCurrentPoint, i ) )
{
bFinalPointInMap = true;
}
}
}
}
}
}
}
PlayCaptureAlert( pCurrentPoint, bFinalPointInMap );
}
}
}
// check to see if we need to start or stop the alarm
if ( flDistanceToGoal <= TEAM_TRAIN_ALARM_DISTANCE )
{
if ( ObjectiveResource() )
{
ObjectiveResource()->SetTrackAlarm( GetTeamNumber(), true );
}
if ( !bDisableAlarm )
{
if ( !m_pAlarm )
{
if ( m_iNumCPLinks > 0 && !m_bAlarmPlayed )
{
// start the alarm at the final point
StartCaptureAlarm( m_CPLinks[m_iNumCPLinks-1].hCP.Get() );
m_bAlarmPlayed = true; // used to prevent the alarm from starting again on maps where the train doesn't recede (alarm loops for short time then only plays singles)
}
}
else
{
if ( !m_bTrainCanRecede ) // if the train won't recede, we only want to play the alarm for a short time
{
if ( m_flAlarmEndTime > 0 && m_flAlarmEndTime < gpGlobals->curtime )
{
StopCaptureAlarm();
SetContextThink( &CTeamTrainWatcher::WatcherAlarmThink, gpGlobals->curtime + TW_ALARM_THINK_INTERVAL, TW_ALARM_THINK );
}
}
}
}
}
else
{
if ( ObjectiveResource() )
{
ObjectiveResource()->SetTrackAlarm( GetTeamNumber(), false );
}
StopCaptureAlarm();
m_bAlarmPlayed = false;
}
}
if ( tf_show_train_path.GetBool() )
{
CPathTrack *nextNode = NULL;
CPathTrack *node = m_hStartNode;
CPathTrack::BeginIteration();
while( node )
{
node->Visit();
nextNode = node->GetNext();
if ( !nextNode || nextNode->HasBeenVisited() )
break;
NDebugOverlay::Line( node->GetAbsOrigin(), nextNode->GetAbsOrigin(), 255, 255, 0, true, NDEBUG_PERSIST_TILL_NEXT_SERVER );
node = nextNode;
}
CPathTrack::EndIteration();
// show segment of path train is actually on
node = pTrain->m_ppath;
if ( node && node->GetNext() )
{
NDebugOverlay::HorzArrow( node->GetAbsOrigin(), node->GetNext()->GetAbsOrigin(), 5.0f, 255, 0, 0, 255, true, NDEBUG_PERSIST_TILL_NEXT_SERVER );
}
}
}
SetContextThink( &CTeamTrainWatcher::WatcherThink, gpGlobals->curtime + 0.1, TW_THINK );
}