void CHLTVDirector::StartBestPlayerCameraShot()
{
float flPlayerRanking[MAX_PLAYERS];
memset( flPlayerRanking, 0, sizeof(flPlayerRanking) );
int firstIndex = FindFirstEvent( m_nBroadcastTick );
int index = firstIndex;
float flBestRank = -1.0f;
int iBestCamera = -1;
int iBestTarget = -1;
// sum all ranking values for the cameras
while( index != m_EventHistory.InvalidIndex() )
{
CHLTVGameEvent &dc = m_EventHistory[index];
if ( dc.m_Tick >= m_nNextShotTick )
break;
// search for camera ranking events
if ( Q_strcmp( dc.m_Event->GetName(), "hltv_rank_entity") == 0 )
{
int index = dc.m_Event->GetInt("index");
if ( index < MAX_PLAYERS )
{
flPlayerRanking[index] += dc.m_Event->GetFloat("rank" );
// find best camera
if ( flPlayerRanking[index] > flBestRank )
{
iBestCamera = index;
flBestRank = flPlayerRanking[index];
iBestTarget = dc.m_Event->GetInt("target");
}
}
}
index = m_EventHistory.NextInorder( index );
}
if ( iBestCamera != -1 )
{
// view over shoulder, randomly left or right
StartChaseCameraShot( iBestCamera, iBestTarget, 112.0f, 20, (RandomFloat()>0.5)?20:-20, false );
}
else
{
StartBestFixedCameraShot( true );
}
}
void CHLTVDirector::CreateShotFromEvent( CHLTVGameEvent *event )
{
// show event at least for 2 more seconds after it occured
const char *name = event->m_Event->GetName();
bool bPlayerHurt = Q_strcmp( "player_hurt", name ) == 0;
bool bPlayerKilled = Q_strcmp( "player_death", name ) == 0;
bool bRoundStart = Q_strcmp( "round_start", name ) == 0;
bool bRoundEnd = Q_strcmp( "round_end", name ) == 0;
if ( bPlayerHurt || bPlayerKilled )
{
CBaseEntity *victim = UTIL_PlayerByUserId( event->m_Event->GetInt("userid") );
CBaseEntity *attacker = UTIL_PlayerByUserId( event->m_Event->GetInt("attacker") );
if ( !victim )
return;
if ( attacker == victim || attacker == NULL )
{
// player killed self or by WORLD
StartChaseCameraShot( victim->entindex(), 0, 96, 20, 0, false );
}
else // attacker != NULL
{
// check if we would show it from ineye view
bool bInEye = (bPlayerKilled && RandomFloat(0,1) > 0.33) || (bPlayerHurt && RandomFloat(0,1) > 0.66);
// if we show ineye view, show it more likely from killer
if ( RandomFloat(0,1) > (bInEye?0.3f:0.7f) )
{
V_swap( attacker, victim );
}
// hurting a victim is shown as chase more often
// view from behind over head
// lower view point, dramatic
// view over shoulder, randomly left or right
StartChaseCameraShot( victim->entindex(), attacker->entindex(), 96, -20, (RandomFloat()>0.5)?30:-30, bInEye );
}
// shot 2 seconds after death/hurt
m_nNextShotTick = MIN( m_nNextShotTick, (event->m_Tick+TIME_TO_TICKS(2.0)) );
}
else if ( bRoundStart || bRoundEnd )
{
StartBestFixedCameraShot( false );
}
else
{
DevMsg( "No known TV shot for event %s\n", name );
}
}
void CHLTVDirector::StartRandomShot()
{
int toTick = m_nBroadcastTick + TIME_TO_TICKS ( DEF_SHOT_LENGTH );
m_nNextShotTick = MIN( m_nNextShotTick, toTick );
if ( RandomFloat(0,1) < 0.25 && tv_allow_static_shots.GetBool() )
{
// create a static shot from a level camera
StartBestFixedCameraShot( false );
}
else
{
// follow a player
StartBestPlayerCameraShot();
}
}
void CHLTVDirector::StartDelayMessage()
{
if ( m_nNextShotTick > gpGlobals->tickcount )
return;
// check the next 8 seconds for interrupts/important events
m_nNextShotTick = gpGlobals->tickcount + TIME_TO_TICKS( DEF_SHOT_LENGTH );
// game hasn't started yet, we are still in the broadcast delay hole
IGameEvent *msg = gameeventmanager->CreateEvent( "hltv_message", true );
if ( msg )
{
msg->SetString("text", "Please wait for broadcast to start ..." );
// send spectators the HLTV director command as a game event
m_pHLTVServer->BroadcastEvent( msg );
gameeventmanager->FreeEvent( msg );
}
StartBestFixedCameraShot( true );
}
void CHLTVDirector::StartNewShot()
{
// we can remove all events the
int smallestTick = MAX(0, gpGlobals->tickcount - TIME_TO_TICKS(HLTV_MAX_DELAY) );
RemoveEventsFromHistory( smallestTick );
if ( m_iCameraMan > 0 )
{
// we already have an active camera man,
// wait until he releases the "record" lock
FinishCameraManShot();
return;
}
if ( StartCameraManShot() )
{
// now we have an active camera man
return;
}
// ok, no camera man active, now check how much time
// we have for the next shot, if the time diff to the next
// important event we have to switch to is too short (<2sec)
// just extent the current shot and don't start a new one
// check the next 8 seconds for interrupts/important events
m_nNextShotTick = m_nBroadcastTick + TIME_TO_TICKS( MAX_SHOT_LENGTH );
if ( m_nBroadcastTick <= 0 )
{
// game hasn't started yet, we are still in the broadcast delay hole
IGameEvent *msg = gameeventmanager->CreateEvent( "hltv_message", true );
if ( msg )
{
msg->SetString("text", "Please wait for broadcast to start ..." );
// send spectators the HLTV director command as a game event
m_pHLTVServer->BroadcastEvent( msg );
gameeventmanager->FreeEvent( msg );
}
StartBestFixedCameraShot( true );
return;
}
int index = FindFirstEvent( m_nBroadcastTick );
while( index != m_EventHistory.InvalidIndex() )
{
CGameEvent &dc = m_EventHistory[index];
if ( dc.m_Tick >= m_nNextShotTick )
break; // we have searched enough
// a camera man is always interrupting auto director
if ( Q_strcmp( dc.m_Event->GetName(), "hltv_cameraman") == 0 )
{
if ( dc.m_Event->GetInt("index") > 0 )
{
// stop the next cut when this cameraman starts recording
m_nNextShotTick = dc.m_Tick;
break;
}
}
index = m_EventHistory.NextInorder( index );
}
float flDuration = TICKS_TO_TIME(m_nNextShotTick - m_nBroadcastTick);
if ( flDuration < MIN_SHOT_LENGTH )
return; // not enough time for a new shot
// find the most intesting game event for next shot
CGameEvent *dc = FindBestGameEvent();
if ( dc )
{
// show the game event
CreateShotFromEvent( dc );
}
else
{
// no interesting events found, start random shot
StartRandomShot();
}
}
void CHLTVDirector::CreateShotFromEvent( CGameEvent *event )
{
// show event at least for 2 more seconds after it occured
const char *name = event->m_Event->GetName();
IGameEvent *shot = NULL;
bool bPlayerHurt = Q_strcmp( "player_hurt", name ) == 0;
bool bPlayerKilled = Q_strcmp( "player_death", name ) == 0;
bool bRoundStart = Q_strcmp( "round_start", name ) == 0;
bool bRoundEnd = Q_strcmp( "round_end", name ) == 0;
if ( bPlayerHurt || bPlayerKilled )
{
CBaseEntity *victim = UTIL_PlayerByUserId( event->m_Event->GetInt("userid") );
CBaseEntity *attacker = UTIL_PlayerByUserId( event->m_Event->GetInt("attacker") );
if ( !victim )
return;
if ( attacker == victim || attacker == NULL )
{
// player killed self or by WORLD
shot = gameeventmanager->CreateEvent( "hltv_chase", true );
shot->SetInt( "target1", victim->entindex() );
shot->SetInt( "target2", 0 );
shot->SetInt( "theta", 0 ); // view from behind over head
shot->SetInt( "phi", 20 ); // from above
shot->SetFloat( "distance", 96.0f );
}
else // attacker != NULL
{
// check if we would show it from ineye view
bool bInEye = (bPlayerKilled && RandomFloat(0,1) > 0.33) || (bPlayerHurt && RandomFloat(0,1) > 0.66);
// if we show ineye view, show it more likely from killer
if ( RandomFloat(0,1) > (bInEye?0.3f:0.7f) )
{
swap( attacker, victim );
}
// hurting a victim is shown as chase more often
shot = gameeventmanager->CreateEvent( "hltv_chase", true );
shot->SetInt( "target1", victim->entindex() );
shot->SetInt( "target2", attacker->entindex() );
// view from behind over head
shot->SetInt( "phi", -20 ); // lower view point, dramatic
shot->SetFloat( "distance", 96.0f );
shot->SetInt( "ineye", bInEye?1:0 );
// view over shoulder, randomly left or right
if ( RandomFloat(0,1) > 0.5 )
{
shot->SetInt( "theta", 30 ); // swing left
}
else
{
shot->SetInt( "theta", -30 ); // swing right
}
}
// shot 2 seconds after death/hurt
m_nNextShotTick = MIN( m_nNextShotTick, (event->m_Tick+TIME_TO_TICKS(2.0)) );
m_iPVSEntity = victim->entindex();
}
else if ( bRoundStart || bRoundEnd )
{
StartBestFixedCameraShot( false );
}
else
{
DevMsg( "No known TV shot for event %s\n", name );
}
if ( shot )
{
m_pHLTVServer->BroadcastEvent( shot );
gameeventmanager->FreeEvent( shot );
}
}
void CHLTVDirector::StartBestPlayerCameraShot()
{
float flPlayerRanking[MAX_PLAYERS];
memset( flPlayerRanking, 0, sizeof(flPlayerRanking) );
int firstIndex = FindFirstEvent( m_nBroadcastTick );
int index = firstIndex;
float flBestRank = -1.0f;
int iBestCamera = -1;
int iBestTarget = -1;
// sum all ranking values for the cameras
while( index != m_EventHistory.InvalidIndex() )
{
CGameEvent &dc = m_EventHistory[index];
if ( dc.m_Tick >= m_nNextShotTick )
break;
// search for camera ranking events
if ( Q_strcmp( dc.m_Event->GetName(), "hltv_rank_entity") == 0 )
{
int index = dc.m_Event->GetInt("index");
if ( index < MAX_PLAYERS )
{
flPlayerRanking[index] += dc.m_Event->GetFloat("rank" );
// find best camera
if ( flPlayerRanking[index] > flBestRank )
{
iBestCamera = index;
flBestRank = flPlayerRanking[index];
iBestTarget = dc.m_Event->GetInt("target");
}
}
}
index = m_EventHistory.NextInorder( index );
}
if ( iBestCamera != -1 )
{
IGameEvent *shot = gameeventmanager->CreateEvent( "hltv_chase", true );
if ( shot )
{
shot->SetInt("target1", iBestCamera );
shot->SetInt("target2", iBestTarget );
shot->SetInt("distance", 112 );
shot->SetInt("phi", 20 );
// view over shoulder, randomly left or right
if ( RandomFloat(0,1) > 0.5 )
{
shot->SetInt( "theta", 20 ); // swing left
}
else
{
shot->SetInt( "theta", -20 ); // swing right
}
m_iPVSEntity = iBestCamera;
// send spectators the HLTV director command as a game event
m_pHLTVServer->BroadcastEvent( shot );
gameeventmanager->FreeEvent( shot );
}
}
else
{
StartBestFixedCameraShot( true );
}
}
