140 lines
4.0 KiB
C++
140 lines
4.0 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Definitions of all the entities that control logic flow within a map
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//
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// $NoKeywords: $
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//=============================================================================//
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#include "cbase.h"
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#include "EntityInput.h"
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#include "EntityOutput.h"
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#include "tf_team.h"
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#include "tf_obj.h"
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//-----------------------------------------------------------------------------
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// Purpose: Detects a bunch of tf team state
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//-----------------------------------------------------------------------------
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class CSensorTFTeam : public CLogicalEntity
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{
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DECLARE_CLASS( CSensorTFTeam, CLogicalEntity );
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public:
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void Spawn( void );
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void Think( void );
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private:
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DECLARE_DATADESC();
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// Computes the number of respawns stations on the sensed team
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int ComputeRespawnCount();
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// outputs
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COutputInt m_OnRespawnCountChanged;
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COutputInt m_OnResourceCountChanged;
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COutputInt m_OnMemberCountChanged;
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COutputInt m_OnRespawnCountChangedDelta;
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COutputInt m_OnResourceCountChangedDelta;
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COutputInt m_OnMemberCountChangedDelta;
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// What team am I sensing?
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int m_nTeam;
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CTFTeam *m_pTeam;
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// So we can know when state changes...
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int m_nRespawnCount;
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int m_nResourceCount;
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int m_nMemberCount;
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};
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LINK_ENTITY_TO_CLASS( sensor_tf_team, CSensorTFTeam );
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BEGIN_DATADESC( CSensorTFTeam )
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DEFINE_OUTPUT( m_OnRespawnCountChanged, "OnRespawnCountChanged" ),
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DEFINE_OUTPUT( m_OnResourceCountChanged, "OnResourceCountChanged" ),
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DEFINE_OUTPUT( m_OnMemberCountChanged, "OnMemberCountChanged" ),
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DEFINE_OUTPUT( m_OnRespawnCountChangedDelta, "OnRespawnCountChangedDelta" ),
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DEFINE_OUTPUT( m_OnResourceCountChangedDelta, "OnResourceCountChangedDelta" ),
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DEFINE_OUTPUT( m_OnMemberCountChangedDelta, "OnMemberCountChangedDelta" ),
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DEFINE_KEYFIELD( m_nTeam, FIELD_INTEGER, "team"),
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END_DATADESC()
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//-----------------------------------------------------------------------------
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// Spawn!
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//-----------------------------------------------------------------------------
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void CSensorTFTeam::Spawn( void )
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{
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// Hook us up to a team...
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m_pTeam = GetGlobalTFTeam( m_nTeam );
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// Gets us thinkin!
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SetNextThink( gpGlobals->curtime + 0.1f );
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// Force an output message on our first think
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m_nRespawnCount = -1;
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m_nResourceCount = -1;
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}
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//-----------------------------------------------------------------------------
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// Compute the number of respawn stations on this team
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//-----------------------------------------------------------------------------
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int CSensorTFTeam::ComputeRespawnCount()
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{
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int nCount = 0;
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for (int i = m_pTeam->GetNumObjects(); --i >= 0; )
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{
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CBaseObject *pObject = m_pTeam->GetObject(i);
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if ( pObject && (pObject->GetType() == OBJ_RESPAWN_STATION) )
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{
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++nCount;
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}
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}
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return nCount;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Forces a recompare
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//-----------------------------------------------------------------------------
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void CSensorTFTeam::Think( )
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{
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if (!m_pTeam)
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return;
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// Check for a difference in the number of respawn stations
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int nRespawnCount = ComputeRespawnCount();
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if ( nRespawnCount != m_nRespawnCount )
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{
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m_OnRespawnCountChangedDelta.Set( nRespawnCount - m_nRespawnCount, this, this );
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m_nRespawnCount = nRespawnCount;
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m_OnRespawnCountChanged.Set( m_nRespawnCount, this, this );
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}
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// Check for a difference in the number of resources harvested
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if ( m_nResourceCount != m_pTeam->m_flTotalResourcesSoFar )
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{
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m_OnResourceCountChangedDelta.Set( m_pTeam->m_flTotalResourcesSoFar - m_nResourceCount, this, this );
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m_nResourceCount = m_pTeam->m_flTotalResourcesSoFar;
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m_OnResourceCountChanged.Set( m_nResourceCount, this, this );
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}
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// Check for a difference in the number of team members
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if ( m_nMemberCount != m_pTeam->GetNumPlayers() )
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{
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m_OnMemberCountChangedDelta.Set( m_pTeam->GetNumPlayers() - m_nMemberCount, this, this );
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m_nMemberCount = m_pTeam->GetNumPlayers();
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m_OnMemberCountChanged.Set( m_nMemberCount, this, this );
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}
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SetNextThink( gpGlobals->curtime + 0.1f );
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}
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