You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
139 lines
3.3 KiB
139 lines
3.3 KiB
//========= Copyright Valve Corporation, All rights reserved. ============//
|
|
//
|
|
// Purpose: Hooks and classes for the support of humanoid NPCs with
|
|
// groovy facial animation capabilities, aka, "Actors"
|
|
//
|
|
//=============================================================================//
|
|
|
|
|
|
#include "cbase.h"
|
|
#include "AI_Interest_Target.h"
|
|
|
|
// memdbgon must be the last include file in a .cpp file!!!
|
|
#include "tier0/memdbgon.h"
|
|
|
|
bool CAI_InterestTarget_t::IsThis( CBaseEntity *pThis )
|
|
{
|
|
return (pThis == m_hTarget);
|
|
};
|
|
|
|
const Vector &CAI_InterestTarget_t::GetPosition( void )
|
|
{
|
|
if (m_eType == LOOKAT_ENTITY && m_hTarget != NULL)
|
|
{
|
|
m_vecPosition = m_hTarget->EyePosition();
|
|
}
|
|
return m_vecPosition;
|
|
};
|
|
|
|
bool CAI_InterestTarget_t::IsActive( void )
|
|
{
|
|
if (m_flEndTime < gpGlobals->curtime) return false;
|
|
if (m_eType == LOOKAT_ENTITY && m_hTarget == NULL) return false;
|
|
return true;
|
|
};
|
|
|
|
float CAI_InterestTarget_t::Interest( void )
|
|
{
|
|
float t = (gpGlobals->curtime - m_flStartTime) / (m_flEndTime - m_flStartTime);
|
|
|
|
if (t < 0.0f || t > 1.0f)
|
|
return 0.0f;
|
|
|
|
if (m_flRamp && t < 1 - m_flRamp)
|
|
{
|
|
//t = t / m_flRamp;
|
|
t = 1.0 - ExponentialDecay( 0.2, m_flRamp, t );
|
|
//t = 1.0 - ExponentialDecay( 0.01, 1 - m_flRamp, t );
|
|
}
|
|
else if (t > 1.0f - m_flRamp)
|
|
{
|
|
t = (1.0 - t) / m_flRamp;
|
|
t = 3.0f * t * t - 2.0f * t * t * t;
|
|
}
|
|
else
|
|
{
|
|
t = 1.0f;
|
|
}
|
|
// ramp
|
|
t *= m_flInterest;
|
|
|
|
return t;
|
|
}
|
|
|
|
|
|
void CAI_InterestTarget::Add( CBaseEntity *pTarget, float flImportance, float flDuration, float flRamp )
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < Count(); i++)
|
|
{
|
|
CAI_InterestTarget_t &target = Element( i );
|
|
|
|
if (target.m_hTarget == pTarget && target.m_flRamp == 0)
|
|
{
|
|
if (target.m_flStartTime == gpGlobals->curtime)
|
|
{
|
|
flImportance = MAX( flImportance, target.m_flInterest );
|
|
}
|
|
Remove( i );
|
|
break;
|
|
}
|
|
}
|
|
|
|
Add( CAI_InterestTarget_t::LOOKAT_ENTITY, pTarget, Vector( 0, 0, 0 ), flImportance, flDuration, flRamp );
|
|
}
|
|
|
|
void CAI_InterestTarget::Add( const Vector &vecPosition, float flImportance, float flDuration, float flRamp )
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < Count(); i++)
|
|
{
|
|
CAI_InterestTarget_t &target = Element( i );
|
|
|
|
if (target.m_vecPosition == vecPosition)
|
|
{
|
|
Remove( i );
|
|
break;
|
|
}
|
|
}
|
|
|
|
Add( CAI_InterestTarget_t::LOOKAT_POSITION, NULL, vecPosition, flImportance, flDuration, flRamp );
|
|
}
|
|
|
|
void CAI_InterestTarget::Add( CBaseEntity *pTarget, const Vector &vecPosition, float flImportance, float flDuration, float flRamp )
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < Count(); i++)
|
|
{
|
|
CAI_InterestTarget_t &target = Element( i );
|
|
|
|
if (target.m_hTarget == pTarget)
|
|
{
|
|
if (target.m_flStartTime == gpGlobals->curtime)
|
|
{
|
|
flImportance = MAX( flImportance, target.m_flInterest );
|
|
}
|
|
Remove( i );
|
|
break;
|
|
}
|
|
}
|
|
|
|
Add( CAI_InterestTarget_t::LOOKAT_BOTH, pTarget, vecPosition, flImportance, flDuration, flRamp );
|
|
}
|
|
|
|
void CAI_InterestTarget::Add( CAI_InterestTarget_t::CAI_InterestTarget_e type, CBaseEntity *pTarget, const Vector &vecPosition, float flImportance, float flDuration, float flRamp )
|
|
{
|
|
int i = AddToTail();
|
|
CAI_InterestTarget_t &target = Element( i );
|
|
|
|
target.m_eType = type;
|
|
target.m_hTarget = pTarget;
|
|
target.m_vecPosition = vecPosition;
|
|
target.m_flInterest = flImportance;
|
|
target.m_flStartTime = gpGlobals->curtime;
|
|
target.m_flEndTime = gpGlobals->curtime + flDuration;
|
|
target.m_flRamp = flRamp / flDuration;
|
|
}
|