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332 lines
10 KiB
332 lines
10 KiB
![]()
4 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Complete definition of the ControlZone behavioral entity
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//
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// $NoKeywords: $
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//=============================================================================//
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#include "tf_shareddefs.h"
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#include "cbase.h"
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#include "EntityOutput.h"
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#include "tf_player.h"
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#include "controlzone.h"
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#include "team.h"
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//-----------------------------------------------------------------------------
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// Purpose: Since the control zone is a data only class, force it to always be sent ( shouldn't change often so )
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// bandwidth usage should be small.
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// Input : **ppSendTable -
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// *recipient -
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// *pvs -
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// clientArea -
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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int CControlZone::UpdateTransmitState()
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{
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if ( IsEffectActive( EF_NODRAW ) )
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{
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return SetTransmitState( FL_EDICT_DONTSEND );
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}
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else
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{
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return SetTransmitState( FL_EDICT_ALWAYS );
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}
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}
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IMPLEMENT_SERVERCLASS_ST(CControlZone, DT_ControlZone)
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SendPropInt( SENDINFO(m_nZoneNumber), 8, SPROP_UNSIGNED ),
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END_SEND_TABLE()
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LINK_ENTITY_TO_CLASS( trigger_controlzone, CControlZone);
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BEGIN_DATADESC( CControlZone )
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// outputs
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DEFINE_OUTPUT( m_ControllingTeam, "ControllingTeam" ),
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// inputs
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DEFINE_INPUTFUNC( FIELD_VOID, "SetTeam", InputSetTeam ),
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DEFINE_INPUTFUNC( FIELD_VOID, "LockTeam", InputLockControllingTeam ),
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// keys
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DEFINE_KEYFIELD_NOT_SAVED( m_iLockAfterChange, FIELD_INTEGER, "LockAfterChange" ),
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DEFINE_KEYFIELD_NOT_SAVED( m_flTimeTillCaptured, FIELD_FLOAT, "UncontestedTime" ),
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DEFINE_KEYFIELD_NOT_SAVED( m_flTimeTillContested, FIELD_FLOAT, "ContestedTime" ),
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DEFINE_KEYFIELD_NOT_SAVED( m_nZoneNumber, FIELD_INTEGER, "ZoneNumber" ),
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END_DATADESC()
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// Control Zone Ent Flags
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#define CZF_DONT_USE_TOUCHES 1
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//-----------------------------------------------------------------------------
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// Purpose: Initializes the control zone
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// Records who was the original controlling team (for control locking)
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//-----------------------------------------------------------------------------
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void CControlZone::Spawn( void )
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{
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// set the starting controlling team
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m_ControllingTeam.Set( GetTeamNumber(), this, this );
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// remember who the original controlling team was (for control locking)
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m_iDefendingTeam = GetTeamNumber();
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// Solid
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SetSolid( SOLID_BSP );
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AddSolidFlags( FSOLID_TRIGGER );
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SetMoveType( MOVETYPE_NONE );
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SetModel( STRING( GetModelName() ) ); // set size and link into world
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// TF2 rules
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m_flTimeTillContested = 10.0; // Go to contested 10 seconds after enemies enter the zone
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m_flTimeTillCaptured = 5.0; // Go to captured state as soon as only one team holds the zone
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if ( m_nZoneNumber == 0 )
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{
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Warning( "Warning, trigger_controlzone without Zone Number set\n" );
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}
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m_ZonePlayerList.Purge();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Records that a player has entered the zone, and updates it's state
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// according, maybe starting to change team.
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// Input : *pOther - the entity that left the zone
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//-----------------------------------------------------------------------------
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void CControlZone::StartTouch( CBaseEntity *pOther )
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{
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CBaseTFPlayer *pl = ToBaseTFPlayer( pOther );
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if ( !pl )
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return;
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CHandle< CBaseTFPlayer > hHandle;
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hHandle = pl;
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m_ZonePlayerList.AddToTail( hHandle );
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ReevaluateControllingTeam();
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// Set this player's current zone to this zone
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pl->SetCurrentZone( this );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Records that a player has left the zone, and updates it's state
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// according, maybe starting to change team.
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// Input : *pOther - the entity that left the zone
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//-----------------------------------------------------------------------------
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void CControlZone::EndTouch( CBaseEntity *pOther )
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{
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CBaseTFPlayer *pl = ToBaseTFPlayer( pOther );
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if ( !pl )
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return;
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CHandle< CBaseTFPlayer > hHandle;
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hHandle = pl;
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m_ZonePlayerList.FindAndRemove( hHandle );
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ReevaluateControllingTeam();
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// Unset this player's current zone if it's this one
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if ( pl->GetCurrentZone() == this )
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pl->SetCurrentZone( NULL );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Checks to see if it's time to change controllers
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//-----------------------------------------------------------------------------
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void CControlZone::ReevaluateControllingTeam( void )
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{
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// Count the number of players in each team
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int i;
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memset( m_iPlayersInZone, 0, sizeof( m_iPlayersInZone ) );
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for ( i = 0; i < m_ZonePlayerList.Size(); i++ )
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{
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if ( m_ZonePlayerList[i] != NULL && (m_ZonePlayerList[i]->GetTeamNumber() > 0) )
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{
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m_iPlayersInZone[ m_ZonePlayerList[i]->GetTeamNumber() ] += 1;
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}
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}
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// Abort immediately if we're not using touches to changes teams
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if ( HasSpawnFlags( CZF_DONT_USE_TOUCHES ) )
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return;
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// if we're locked in place, no changes can occur to controlling team except through an explicit map ResetTeam
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if ( m_iLocked )
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return;
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bool foundAnyTeam = false;
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int teamFound = 0;
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// check to see if any teams have no players
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for ( i = 0; i < GetNumberOfTeams(); i++ )
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{
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if ( m_iPlayersInZone[i] )
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{
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if ( foundAnyTeam )
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{
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// we've already found a team, so it's being contested;
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teamFound = ZONE_CONTESTED;
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break;
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}
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foundAnyTeam = true;
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teamFound = i;
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}
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}
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// no one in the area!
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if ( teamFound == 0 )
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{
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// just leave it as it is, let it continue to change team
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// exception: if the zone state is contested, and there aren't any players in the zone,
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// just return to the team who used to own the zone.
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if ( GetTeamNumber() == ZONE_CONTESTED )
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{
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ChangeTeam(m_iDefendingTeam);
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SetControllingTeam( this, m_iDefendingTeam );
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}
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return;
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}
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// if it's the same controlling team, don't worry about it
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if ( teamFound == GetTeamNumber() )
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{
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// the right team is in control, don't even think of switching
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m_iTryingToChangeToTeam = 0;
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SetNextThink( TICK_NEVER_THINK );
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return;
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}
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// Find out if the zone isn't owned by anyone at all (hasn't been touched since the map started, and it started un-owned)
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bool bHasBeenOwned = true;
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if ( m_iDefendingTeam == 0 && GetTeamNumber() == 0 )
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bHasBeenOwned = false;
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// if it's not contested, always go to contested mode
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if ( GetTeamNumber() != ZONE_CONTESTED && teamFound != GetTeamNumber() )
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{
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// Unowned zones are captured immediately (no contesting stage)
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if ( bHasBeenOwned )
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teamFound = ZONE_CONTESTED;
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}
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// if it's the team we're trying to change to, don't worry about it
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if ( teamFound == m_iTryingToChangeToTeam )
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return;
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// set up the time to change to the new team soon
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m_iTryingToChangeToTeam = teamFound;
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// changing from contested->uncontested and visa-versa have different delays
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if ( m_iTryingToChangeToTeam != ZONE_CONTESTED )
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{
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if ( !bHasBeenOwned )
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{
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DevMsg( 1, "trigger_controlzone: (%s) changing team to %d NOW\n", GetDebugName(), m_iTryingToChangeToTeam );
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SetNextThink( gpGlobals->curtime + 0.1f );
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}
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else
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{
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DevMsg( 1, "trigger_controlzone: (%s) changing team to %d in %.2f seconds\n", GetDebugName(), m_iTryingToChangeToTeam, m_flTimeTillCaptured );
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SetNextThink( gpGlobals->curtime + m_flTimeTillCaptured );
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}
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}
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else
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{
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DevMsg( 1, "trigger_controlzone: (%s) changing to contested in %f seconds\n", GetDebugName(), m_flTimeTillContested );
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SetNextThink( gpGlobals->curtime + m_flTimeTillContested );
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Checks to see if an uncontested territory is ready to change state
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// to the new controlling team.
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//-----------------------------------------------------------------------------
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void CControlZone::Think( void )
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{
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if ( m_iTryingToChangeToTeam != 0 )
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{
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// held zone long enough
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SetControllingTeam( this, m_iTryingToChangeToTeam );
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// lock against further change if set
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if ( m_iLockAfterChange )
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{
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LockControllingTeam();
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}
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// Re-evaluate controlling team if we were changing to Contested (enemy may have withdrawn)
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if ( GetTeamNumber() == ZONE_CONTESTED )
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{
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ReevaluateControllingTeam();
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}
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: set it so the team can no longer change, until a set controlling team action occurs
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//-----------------------------------------------------------------------------
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void CControlZone::InputLockControllingTeam( inputdata_t &inputdata )
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{
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LockControllingTeam();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Input handler that sets the controlling team to the activator's team.
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//-----------------------------------------------------------------------------
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void CControlZone::InputSetTeam( inputdata_t &inputdata )
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{
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// Abort if it's already the defending team
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if ( inputdata.pActivator->GetTeamNumber() == GetTeamNumber() )
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return;
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// set the new team
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ChangeTeam(inputdata.pActivator->GetTeamNumber());
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SetControllingTeam( inputdata.pActivator, GetTeamNumber() );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Changes the team controlling this zone
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// Input : newTeam - the new team to change to
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//-----------------------------------------------------------------------------
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void CControlZone::SetControllingTeam( CBaseEntity *pActivator, int newTeam )
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{
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DevMsg( 1, "trigger_controlzone: (%s) changing team to: %d\n", GetDebugName(), newTeam );
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// remember this team as the defenders of the zone
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m_iDefendingTeam = GetTeamNumber();
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// reset state, firing the output
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ChangeTeam(newTeam);
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m_ControllingTeam.Set( GetTeamNumber(), pActivator, this );
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m_iLocked = FALSE;
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m_iTryingToChangeToTeam = 0;
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SetNextThink( TICK_NEVER_THINK );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CControlZone::LockControllingTeam( void )
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{
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// never lock a zone in contested mode
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if ( GetTeamNumber() == ZONE_CONTESTED )
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return;
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// zones never lock to the defenders
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if ( GetTeamNumber() == m_iDefendingTeam )
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return;
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m_iLocked = TRUE;
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}
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