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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//
//=============================================================================//
#include "cbase.h"
#include "game.h"
#include "ai_looktarget.h"
// Mothballing this entity to get rid of it. info_hint does its job better (sjb)
//LINK_ENTITY_TO_CLASS( ai_looktarget, CAI_LookTarget );
BEGIN_DATADESC( CAI_LookTarget )
// Keyfields
DEFINE_KEYFIELD( m_bDisabled, FIELD_BOOLEAN, "StartDisabled" ),
DEFINE_KEYFIELD( m_iContext, FIELD_INTEGER, "context" ),
DEFINE_KEYFIELD( m_iPriority, FIELD_INTEGER, "priority" ),
DEFINE_KEYFIELD( m_flMaxDist, FIELD_FLOAT, "maxdist" ),
// Fields
DEFINE_FIELD( m_flTimeNextAvailable, FIELD_TIME ),
END_DATADESC()
//---------------------------------------------------------
//---------------------------------------------------------
int CAI_LookTarget::DrawDebugTextOverlays(void)
{
int text_offset = BaseClass::DrawDebugTextOverlays();
if (m_debugOverlays & OVERLAY_BBOX_BIT)
{
int color = random->RandomInt( 50, 255 );
NDebugOverlay::Cross3D( GetAbsOrigin(), 12, color, color, color, false, 0.1 );
}
if (m_debugOverlays & OVERLAY_TEXT_BIT)
{
char tempstr[512];
if( !IsEnabled() )
{
Q_snprintf(tempstr,sizeof(tempstr),"DISABLED" );
EntityText(text_offset,tempstr,0);
text_offset++;
}
if( IsEligible( NULL ) )
{
Q_snprintf(tempstr,sizeof(tempstr),"Eligible" );
EntityText(text_offset,tempstr,0);
text_offset++;
}
else
{
Q_snprintf(tempstr,sizeof(tempstr),"NOT Eligible for selection");
EntityText(text_offset,tempstr,0);
text_offset++;
}
}
return text_offset;
}
//---------------------------------------------------------
//---------------------------------------------------------
bool CAI_LookTarget::IsEligible( CBaseEntity *pLooker )
{
if( !IsEnabled() )
return false;
if( !IsAvailable() )
return false;
if( pLooker )
{
float maxdistsqr = m_flMaxDist * m_flMaxDist;
Vector vecPos = GetAbsOrigin();
if( vecPos.DistToSqr( pLooker->WorldSpaceCenter() ) > maxdistsqr )
{
return false;
}
}
return true;
}
//---------------------------------------------------------
// Someone's reserving this entity because they're going
// to attempt to look at it for flDuration seconds. We'll
// make it unavailable to anyone else for that time.
//---------------------------------------------------------
void CAI_LookTarget::Reserve( float flDuration )
{
m_flTimeNextAvailable = gpGlobals->curtime + flDuration;
if( HasSpawnFlags( SF_LOOKTARGET_ONLYONCE ) )
{
// No one will look at this again.
Disable();
}
}
//---------------------------------------------------------
//---------------------------------------------------------
CAI_LookTarget *CAI_LookTarget::GetFirstLookTarget()
{
CBaseEntity *pEnt;
string_t iszLookTarget = FindPooledString( "ai_looktarget" );
if( iszLookTarget == NULL_STRING )
{
return NULL;
}
pEnt = gEntList.FirstEnt();
while( pEnt && pEnt->m_iClassname != iszLookTarget )
{
pEnt = gEntList.NextEnt( pEnt );
}
return (CAI_LookTarget*)pEnt;
}
//---------------------------------------------------------
//---------------------------------------------------------
CAI_LookTarget *CAI_LookTarget::GetNextLookTarget( CAI_LookTarget *pCurrentTarget )
{
CBaseEntity *pEnt;
string_t iszLookTarget = FindPooledString( "ai_looktarget" );
if( iszLookTarget == NULL_STRING )
{
return NULL;
}
pEnt = gEntList.NextEnt( pCurrentTarget );
while( pEnt && pEnt->m_iClassname != iszLookTarget )
{
pEnt = gEntList.NextEnt( pEnt );
}
return (CAI_LookTarget*)pEnt;
}
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