mirror of
https://github.com/alliedmodders/hl2sdk.git
synced 2024-12-22 17:47:38 +08:00
657 lines
20 KiB
C++
657 lines
20 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
|
|
//
|
|
// Purpose: An NPC's memory of potential enemies
|
|
//
|
|
//=============================================================================//
|
|
|
|
#include "cbase.h"
|
|
#include "isaverestore.h"
|
|
#include "ai_debug.h"
|
|
#include "ai_memory.h"
|
|
#include "ai_basenpc.h"
|
|
|
|
// memdbgon must be the last include file in a .cpp file!!!
|
|
#include "tier0/memdbgon.h"
|
|
|
|
#define EMEMORY_POOL_SIZE 64
|
|
#define AI_FREE_KNOWLEDGE_DURATION 1.75
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// AI_EnemyInfo_t
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
AI_EnemyInfo_t::AI_EnemyInfo_t(void)
|
|
{
|
|
hEnemy = NULL;
|
|
vLastKnownLocation = vec3_origin;
|
|
vLastSeenLocation = vec3_origin;
|
|
timeLastSeen = 0;
|
|
timeFirstSeen = 0;
|
|
timeLastReacquired = 0;
|
|
timeValidEnemy = 0;
|
|
timeLastReceivedDamageFrom = 0;
|
|
timeAtFirstHand = AI_INVALID_TIME;
|
|
bDangerMemory = 0;
|
|
bEludedMe = 0;
|
|
bUnforgettable = 0;
|
|
bMobbedMe = 0;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// CAI_EnemiesListSaveRestoreOps
|
|
//
|
|
// Purpose: Handles save and load for enemy memories
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class CAI_EnemiesListSaveRestoreOps : public CDefSaveRestoreOps
|
|
{
|
|
public:
|
|
CAI_EnemiesListSaveRestoreOps()
|
|
{
|
|
}
|
|
|
|
virtual void Save( const SaveRestoreFieldInfo_t &fieldInfo, ISave *pSave )
|
|
{
|
|
CAI_Enemies::CMemMap *pMemMap = (CAI_Enemies::CMemMap *)fieldInfo.pField;
|
|
|
|
int nMemories = pMemMap->Count();
|
|
pSave->WriteInt( &nMemories );
|
|
|
|
for ( CAI_Enemies::CMemMap::IndexType_t i = pMemMap->FirstInorder(); i != pMemMap->InvalidIndex(); i = pMemMap->NextInorder( i ) )
|
|
{
|
|
pSave->WriteAll( (*pMemMap)[i] );
|
|
}
|
|
}
|
|
|
|
virtual void Restore( const SaveRestoreFieldInfo_t &fieldInfo, IRestore *pRestore )
|
|
{
|
|
CAI_Enemies::CMemMap *pMemMap = (CAI_Enemies::CMemMap *)fieldInfo.pField;
|
|
Assert( pMemMap->Count() == 0 );
|
|
|
|
int nMemories = pRestore->ReadInt();
|
|
|
|
while ( nMemories-- )
|
|
{
|
|
AI_EnemyInfo_t *pAddMemory = new AI_EnemyInfo_t;
|
|
|
|
pRestore->ReadAll( pAddMemory );
|
|
|
|
if ( pAddMemory->hEnemy != NULL )
|
|
{
|
|
pMemMap->Insert( pAddMemory->hEnemy, pAddMemory );
|
|
}
|
|
else
|
|
delete pAddMemory;
|
|
}
|
|
}
|
|
|
|
virtual void MakeEmpty( const SaveRestoreFieldInfo_t &fieldInfo )
|
|
{
|
|
CAI_Enemies::CMemMap *pMemMap = (CAI_Enemies::CMemMap *)fieldInfo.pField;
|
|
|
|
for ( CAI_Enemies::CMemMap::IndexType_t i = pMemMap->FirstInorder(); i != pMemMap->InvalidIndex(); i = pMemMap->NextInorder( i ) )
|
|
{
|
|
delete (*pMemMap)[i];
|
|
}
|
|
|
|
pMemMap->RemoveAll();
|
|
}
|
|
|
|
virtual bool IsEmpty( const SaveRestoreFieldInfo_t &fieldInfo )
|
|
{
|
|
CAI_Enemies::CMemMap *pMemMap = (CAI_Enemies::CMemMap *)fieldInfo.pField;
|
|
return ( pMemMap->Count() == 0 );
|
|
}
|
|
|
|
} g_AI_MemoryListSaveRestoreOps;
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// CAI_Enemies
|
|
//
|
|
// Purpose: Stores a set of AI_EnemyInfo_t's
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
BEGIN_SIMPLE_DATADESC( CAI_Enemies )
|
|
|
|
DEFINE_CUSTOM_FIELD( m_Map, &g_AI_MemoryListSaveRestoreOps ),
|
|
DEFINE_FIELD( m_flFreeKnowledgeDuration, FIELD_FLOAT ),
|
|
DEFINE_FIELD( m_flEnemyDiscardTime, FIELD_FLOAT ),
|
|
DEFINE_FIELD( m_vecDefaultLKP, FIELD_POSITION_VECTOR ),
|
|
DEFINE_FIELD( m_vecDefaultLSP, FIELD_POSITION_VECTOR ),
|
|
DEFINE_FIELD( m_serial, FIELD_INTEGER ),
|
|
|
|
END_DATADESC()
|
|
|
|
BEGIN_SIMPLE_DATADESC( AI_EnemyInfo_t )
|
|
DEFINE_FIELD( vLastKnownLocation, FIELD_POSITION_VECTOR ),
|
|
DEFINE_FIELD( vLastSeenLocation, FIELD_POSITION_VECTOR ),
|
|
DEFINE_FIELD( hEnemy, FIELD_EHANDLE ),
|
|
DEFINE_FIELD( timeLastSeen, FIELD_TIME ),
|
|
DEFINE_FIELD( timeFirstSeen, FIELD_TIME ),
|
|
DEFINE_FIELD( timeLastReacquired, FIELD_TIME ),
|
|
DEFINE_FIELD( timeValidEnemy, FIELD_TIME ),
|
|
DEFINE_FIELD( timeLastReceivedDamageFrom, FIELD_TIME ),
|
|
DEFINE_FIELD( timeAtFirstHand, FIELD_TIME ),
|
|
DEFINE_FIELD( bDangerMemory, FIELD_BOOLEAN ),
|
|
DEFINE_FIELD( bEludedMe, FIELD_BOOLEAN ),
|
|
DEFINE_FIELD( bUnforgettable, FIELD_BOOLEAN ),
|
|
DEFINE_FIELD( bMobbedMe, FIELD_BOOLEAN ),
|
|
// NOT SAVED nextEMemory
|
|
END_DATADESC()
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
CAI_Enemies::CAI_Enemies(void)
|
|
{
|
|
m_flFreeKnowledgeDuration = AI_FREE_KNOWLEDGE_DURATION;
|
|
m_flEnemyDiscardTime = AI_DEF_ENEMY_DISCARD_TIME;
|
|
m_vecDefaultLKP = vec3_invalid;
|
|
m_vecDefaultLSP = vec3_invalid;
|
|
m_serial = 0;
|
|
SetDefLessFunc( m_Map );
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
CAI_Enemies::~CAI_Enemies()
|
|
{
|
|
for ( CMemMap::IndexType_t i = m_Map.FirstInorder(); i != m_Map.InvalidIndex(); i = m_Map.NextInorder( i ) )
|
|
{
|
|
delete m_Map[i];
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Purges any dead enemies from memory
|
|
//-----------------------------------------------------------------------------
|
|
|
|
AI_EnemyInfo_t *CAI_Enemies::GetFirst( AIEnemiesIter_t *pIter )
|
|
{
|
|
CMemMap::IndexType_t i = m_Map.FirstInorder();
|
|
*pIter = (AIEnemiesIter_t)(unsigned)i;
|
|
|
|
if ( i == m_Map.InvalidIndex() )
|
|
return NULL;
|
|
|
|
if ( m_Map[i]->hEnemy == NULL )
|
|
return GetNext( pIter );
|
|
|
|
return m_Map[i];
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
AI_EnemyInfo_t *CAI_Enemies::GetNext( AIEnemiesIter_t *pIter )
|
|
{
|
|
CMemMap::IndexType_t i = (CMemMap::IndexType_t)((unsigned)(*pIter));
|
|
|
|
if ( i == m_Map.InvalidIndex() )
|
|
return NULL;
|
|
|
|
i = m_Map.NextInorder( i );
|
|
*pIter = (AIEnemiesIter_t)(unsigned)i;
|
|
if ( i == m_Map.InvalidIndex() )
|
|
return NULL;
|
|
|
|
if ( m_Map[i]->hEnemy == NULL )
|
|
return GetNext( pIter );
|
|
|
|
return m_Map[i];
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
AI_EnemyInfo_t *CAI_Enemies::Find( CBaseEntity *pEntity, bool bTryDangerMemory )
|
|
{
|
|
if ( pEntity == AI_UNKNOWN_ENEMY )
|
|
pEntity = NULL;
|
|
|
|
CMemMap::IndexType_t i = m_Map.Find( pEntity );
|
|
if ( i == m_Map.InvalidIndex() )
|
|
{
|
|
if ( !bTryDangerMemory || ( i = m_Map.Find( NULL ) ) == m_Map.InvalidIndex() )
|
|
return NULL;
|
|
Assert(m_Map[i]->bDangerMemory == true);
|
|
}
|
|
return m_Map[i];
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
AI_EnemyInfo_t *CAI_Enemies::GetDangerMemory()
|
|
{
|
|
CMemMap::IndexType_t i = m_Map.Find( NULL );
|
|
if ( i == m_Map.InvalidIndex() )
|
|
return NULL;
|
|
Assert(m_Map[i]->bDangerMemory == true);
|
|
return m_Map[i];
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
bool CAI_Enemies::ShouldDiscardMemory( AI_EnemyInfo_t *pMemory )
|
|
{
|
|
CBaseEntity *pEnemy = pMemory->hEnemy;
|
|
|
|
if ( pEnemy )
|
|
{
|
|
CAI_BaseNPC *pEnemyNPC = pEnemy->MyNPCPointer();
|
|
if ( pEnemyNPC && pEnemyNPC->GetState() == NPC_STATE_DEAD )
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
if ( !pMemory->bDangerMemory )
|
|
return true;
|
|
}
|
|
|
|
if ( !pMemory->bUnforgettable &&
|
|
gpGlobals->curtime > pMemory->timeLastSeen + m_flEnemyDiscardTime )
|
|
{
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void CAI_Enemies::RefreshMemories(void)
|
|
{
|
|
AI_PROFILE_SCOPE(CAI_Enemies_RefreshMemories);
|
|
|
|
if ( m_flFreeKnowledgeDuration >= m_flEnemyDiscardTime )
|
|
{
|
|
m_flFreeKnowledgeDuration = m_flEnemyDiscardTime - .1;
|
|
}
|
|
|
|
// -------------------
|
|
// Check each record
|
|
// -------------------
|
|
|
|
CMemMap::IndexType_t i = m_Map.FirstInorder();
|
|
while ( i != m_Map.InvalidIndex() )
|
|
{
|
|
AI_EnemyInfo_t *pMemory = m_Map[i];
|
|
|
|
CMemMap::IndexType_t iNext = m_Map.NextInorder( i ); // save so can remove
|
|
if ( ShouldDiscardMemory( pMemory ) )
|
|
{
|
|
delete pMemory;
|
|
m_Map.RemoveAt(i);
|
|
}
|
|
else if ( pMemory->hEnemy )
|
|
{
|
|
if ( gpGlobals->curtime <= pMemory->timeLastSeen + m_flFreeKnowledgeDuration )
|
|
{
|
|
// Free knowledge is ignored if the target has notarget on
|
|
if ( !(pMemory->hEnemy->GetFlags() & FL_NOTARGET) )
|
|
{
|
|
pMemory->vLastKnownLocation = pMemory->hEnemy->GetAbsOrigin();
|
|
}
|
|
}
|
|
|
|
if ( gpGlobals->curtime <= pMemory->timeLastSeen )
|
|
{
|
|
pMemory->vLastSeenLocation = pMemory->hEnemy->GetAbsOrigin();
|
|
}
|
|
}
|
|
i = iNext;
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Updates information about our enemies
|
|
// Output : Returns true if new enemy, false if already know of enemy
|
|
//-----------------------------------------------------------------------------
|
|
|
|
bool CAI_Enemies::UpdateMemory(CAI_Network* pAINet, CBaseEntity *pEnemy, const Vector &vPosition, float reactionDelay, bool firstHand )
|
|
{
|
|
if ( pEnemy == AI_UNKNOWN_ENEMY )
|
|
pEnemy = NULL;
|
|
|
|
const float DIST_TRIGGER_REACQUIRE_SQ = Square(20.0 * 12.0);
|
|
const float TIME_TRIGGER_REACQUIRE = 4.0;
|
|
const float MIN_DIST_TIME_TRIGGER_REACQUIRE_SQ = Square(4.0 * 12.0);
|
|
|
|
AI_EnemyInfo_t *pMemory = Find( pEnemy );
|
|
// -------------------------------------------
|
|
// Otherwise just update my own
|
|
// -------------------------------------------
|
|
// Update enemy information
|
|
if ( pMemory )
|
|
{
|
|
Assert(pEnemy || pMemory->bDangerMemory == true);
|
|
|
|
if ( firstHand )
|
|
pMemory->timeLastSeen = gpGlobals->curtime;
|
|
pMemory->bEludedMe = false;
|
|
|
|
float deltaDist = (pMemory->vLastKnownLocation - vPosition).LengthSqr();
|
|
|
|
if (deltaDist>DIST_TRIGGER_REACQUIRE_SQ || ( deltaDist>MIN_DIST_TIME_TRIGGER_REACQUIRE_SQ && ( gpGlobals->curtime - pMemory->timeLastSeen ) > TIME_TRIGGER_REACQUIRE ) )
|
|
{
|
|
pMemory->timeLastReacquired = gpGlobals->curtime;
|
|
}
|
|
|
|
// Only update if the enemy has moved
|
|
if (deltaDist>Square(12.0))
|
|
{
|
|
pMemory->vLastKnownLocation = vPosition;
|
|
|
|
}
|
|
|
|
// Update the time at which we first saw him firsthand
|
|
if ( firstHand && pMemory->timeAtFirstHand == AI_INVALID_TIME )
|
|
{
|
|
pMemory->timeAtFirstHand = gpGlobals->curtime;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
// If not on my list of enemies add it
|
|
AI_EnemyInfo_t *pAddMemory = new AI_EnemyInfo_t;
|
|
pAddMemory->vLastKnownLocation = vPosition;
|
|
|
|
if ( firstHand )
|
|
{
|
|
pAddMemory->timeLastReacquired = pAddMemory->timeFirstSeen = pAddMemory->timeLastSeen = pAddMemory->timeAtFirstHand = gpGlobals->curtime;
|
|
}
|
|
else
|
|
{
|
|
// Block free knowledge
|
|
pAddMemory->timeLastReacquired = pAddMemory->timeFirstSeen = pAddMemory->timeLastSeen = ( gpGlobals->curtime - (m_flFreeKnowledgeDuration + 0.01) );
|
|
pAddMemory->timeAtFirstHand = AI_INVALID_TIME;
|
|
}
|
|
|
|
if ( reactionDelay > 0.0 )
|
|
pAddMemory->timeValidEnemy = gpGlobals->curtime + reactionDelay;
|
|
|
|
pAddMemory->bEludedMe = false;
|
|
|
|
// I'm either remembering a postion of an enmey of just a danger position
|
|
pAddMemory->hEnemy = pEnemy;
|
|
pAddMemory->bDangerMemory = ( pEnemy == NULL );
|
|
|
|
// add to the list
|
|
m_Map.Insert( pEnemy, pAddMemory );
|
|
m_serial++;
|
|
|
|
return true;
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
// Purpose : Returns true if this enemy is part of my memory
|
|
//------------------------------------------------------------------------------
|
|
void CAI_Enemies::OnTookDamageFrom( CBaseEntity *pEnemy )
|
|
{
|
|
AI_EnemyInfo_t *pMemory = Find( pEnemy, true );
|
|
if ( pMemory )
|
|
pMemory->timeLastReceivedDamageFrom = gpGlobals->curtime;
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
// Purpose : Returns true if this enemy is part of my memory
|
|
//------------------------------------------------------------------------------
|
|
bool CAI_Enemies::HasMemory( CBaseEntity *pEnemy )
|
|
{
|
|
return ( Find( pEnemy ) != NULL );
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Clear information about our enemy
|
|
//-----------------------------------------------------------------------------
|
|
void CAI_Enemies::ClearMemory(CBaseEntity *pEnemy)
|
|
{
|
|
CMemMap::IndexType_t i = m_Map.Find( pEnemy );
|
|
if ( i != m_Map.InvalidIndex() )
|
|
{
|
|
delete m_Map[i];
|
|
m_Map.RemoveAt( i );
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Notes that the given enemy has eluded me
|
|
//-----------------------------------------------------------------------------
|
|
void CAI_Enemies::MarkAsEluded( CBaseEntity *pEnemy )
|
|
{
|
|
AI_EnemyInfo_t *pMemory = Find( pEnemy );
|
|
if ( pMemory )
|
|
{
|
|
pMemory->bEludedMe = true;
|
|
}
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Returns last known posiiton of given enemy
|
|
//-----------------------------------------------------------------------------
|
|
const Vector &CAI_Enemies::LastKnownPosition( CBaseEntity *pEnemy )
|
|
{
|
|
AI_EnemyInfo_t *pMemory = Find( pEnemy, true );
|
|
if ( pMemory )
|
|
{
|
|
m_vecDefaultLKP = pMemory->vLastKnownLocation;
|
|
}
|
|
else
|
|
{
|
|
DevWarning( 2,"Asking LastKnownPosition for enemy that's not in my memory!!\n");
|
|
}
|
|
return m_vecDefaultLKP;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Returns the last position the enemy was SEEN at. This will always be
|
|
// different than LastKnownPosition() when the enemy is out of sight, because
|
|
// the last KNOWN position will be updated for a number of seconds after the
|
|
// player disappears.
|
|
//-----------------------------------------------------------------------------
|
|
const Vector &CAI_Enemies::LastSeenPosition( CBaseEntity *pEnemy )
|
|
{
|
|
AI_EnemyInfo_t *pMemory = Find( pEnemy, true );
|
|
if ( pMemory )
|
|
{
|
|
m_vecDefaultLSP = pMemory->vLastSeenLocation;
|
|
}
|
|
else
|
|
{
|
|
DevWarning( 2,"Asking LastSeenPosition for enemy that's not in my memory!!\n");
|
|
}
|
|
return m_vecDefaultLSP;
|
|
}
|
|
|
|
float CAI_Enemies::TimeLastReacquired( CBaseEntity *pEnemy )
|
|
{
|
|
// I've never seen something that doesn't exist
|
|
if (!pEnemy)
|
|
return 0;
|
|
|
|
AI_EnemyInfo_t *pMemory = Find( pEnemy, true );
|
|
if ( pMemory )
|
|
return pMemory->timeLastReacquired;
|
|
|
|
if ( pEnemy != AI_UNKNOWN_ENEMY )
|
|
DevWarning( 2,"Asking TimeLastReacquired for enemy that's not in my memory!!\n");
|
|
return AI_INVALID_TIME;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Sets position to the last known position of an enemy. If enemy
|
|
// was not found returns last memory of danger position if it exists
|
|
// Output : Returns false is no position is known
|
|
//-----------------------------------------------------------------------------
|
|
float CAI_Enemies::LastTimeSeen( CBaseEntity *pEnemy, bool bCheckDangerMemory /*= true*/ )
|
|
{
|
|
// I've never seen something that doesn't exist
|
|
if (!pEnemy)
|
|
return 0;
|
|
|
|
AI_EnemyInfo_t *pMemory = Find( pEnemy, bCheckDangerMemory );
|
|
if ( pMemory )
|
|
return pMemory->timeLastSeen;
|
|
|
|
if ( pEnemy != AI_UNKNOWN_ENEMY )
|
|
DevWarning( 2,"Asking LastTimeSeen for enemy that's not in my memory!!\n");
|
|
return AI_INVALID_TIME;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Get the time at which the enemy was first seen.
|
|
// Output : Returns false is no position is known
|
|
//-----------------------------------------------------------------------------
|
|
float CAI_Enemies::FirstTimeSeen( CBaseEntity *pEnemy)
|
|
{
|
|
// I've never seen something that doesn't exist
|
|
if (!pEnemy)
|
|
return 0;
|
|
|
|
AI_EnemyInfo_t *pMemory = Find( pEnemy, true );
|
|
if ( pMemory )
|
|
return pMemory->timeFirstSeen;
|
|
|
|
if ( pEnemy != AI_UNKNOWN_ENEMY )
|
|
DevWarning( 2,"Asking FirstTimeSeen for enemy that's not in my memory!!\n");
|
|
return AI_INVALID_TIME;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
// Input : *pEnemy -
|
|
// Output : Returns true on success, false on failure.
|
|
//-----------------------------------------------------------------------------
|
|
bool CAI_Enemies::HasFreeKnowledgeOf( CBaseEntity *pEnemy )
|
|
{
|
|
// I've never seen something that doesn't exist
|
|
if (!pEnemy)
|
|
return 0;
|
|
|
|
AI_EnemyInfo_t *pMemory = Find( pEnemy, true );
|
|
if ( pMemory )
|
|
{
|
|
float flFreeKnowledgeTime = pMemory->timeLastSeen + m_flFreeKnowledgeDuration;
|
|
return ( gpGlobals->curtime < flFreeKnowledgeTime );
|
|
}
|
|
|
|
if ( pEnemy != AI_UNKNOWN_ENEMY )
|
|
DevWarning( 2,"Asking HasFreeKnowledgeOf for enemy that's not in my memory!!\n");
|
|
return AI_INVALID_TIME;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
float CAI_Enemies::LastTimeTookDamageFrom( CBaseEntity *pEnemy)
|
|
{
|
|
// I've never seen something that doesn't exist
|
|
if (!pEnemy)
|
|
return 0;
|
|
|
|
AI_EnemyInfo_t *pMemory = Find( pEnemy, true );
|
|
if ( pMemory )
|
|
return pMemory->timeLastReceivedDamageFrom;
|
|
|
|
if ( pEnemy != AI_UNKNOWN_ENEMY )
|
|
DevWarning( 2,"Asking LastTimeTookDamageFrom for enemy that's not in my memory!!\n");
|
|
return AI_INVALID_TIME;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Returns the time at which the enemy was first seen firsthand
|
|
// Input : *pEnemy -
|
|
// Output : float
|
|
//-----------------------------------------------------------------------------
|
|
float CAI_Enemies::TimeAtFirstHand( CBaseEntity *pEnemy )
|
|
{
|
|
// I've never seen something that doesn't exist
|
|
if (!pEnemy)
|
|
return 0;
|
|
|
|
AI_EnemyInfo_t *pMemory = Find( pEnemy, true );
|
|
if ( pMemory )
|
|
return pMemory->timeAtFirstHand;
|
|
|
|
if ( pEnemy != AI_UNKNOWN_ENEMY )
|
|
DevWarning( 2,"Asking TimeAtFirstHand for enemy that's not in my memory!!\n");
|
|
return AI_INVALID_TIME;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Sets position to the last known position of an enemy. If enemy
|
|
// was not found returns last memory of danger position if it exists
|
|
// Output : Returns false is no position is known
|
|
//-----------------------------------------------------------------------------
|
|
bool CAI_Enemies::HasEludedMe( CBaseEntity *pEnemy )
|
|
{
|
|
AI_EnemyInfo_t *pMemory = Find( pEnemy );
|
|
if ( pMemory )
|
|
return pMemory->bEludedMe;
|
|
return false;
|
|
}
|
|
|
|
void CAI_Enemies::SetTimeValidEnemy( CBaseEntity *pEnemy, float flTime )
|
|
{
|
|
AI_EnemyInfo_t *pMemory = Find( pEnemy );
|
|
if ( pMemory )
|
|
pMemory->timeValidEnemy = flTime;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
void CAI_Enemies::SetUnforgettable( CBaseEntity *pEnemy, bool bUnforgettable )
|
|
{
|
|
AI_EnemyInfo_t *pMemory = Find( pEnemy );
|
|
if ( pMemory )
|
|
pMemory->bUnforgettable = bUnforgettable;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
void CAI_Enemies::SetMobbedMe( CBaseEntity *pEnemy, bool bMobbedMe )
|
|
{
|
|
AI_EnemyInfo_t *pMemory = Find( pEnemy );
|
|
if ( pMemory )
|
|
pMemory->bMobbedMe = bMobbedMe;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void CAI_Enemies::SetFreeKnowledgeDuration( float flDuration )
|
|
{
|
|
m_flFreeKnowledgeDuration = flDuration;
|
|
|
|
if ( m_flFreeKnowledgeDuration >= m_flEnemyDiscardTime )
|
|
{
|
|
// If your free knowledge time is greater than your discard time,
|
|
// you'll forget about secondhand enemies passed to you by squadmates
|
|
// as soon as you're given them.
|
|
Assert( m_flFreeKnowledgeDuration < m_flEnemyDiscardTime );
|
|
|
|
m_flFreeKnowledgeDuration = m_flEnemyDiscardTime - .1;
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void CAI_Enemies::SetEnemyDiscardTime( float flTime )
|
|
{
|
|
m_flEnemyDiscardTime = flTime;
|
|
|
|
if ( m_flFreeKnowledgeDuration >= m_flEnemyDiscardTime )
|
|
{
|
|
// If your free knowledge time is greater than your discard time,
|
|
// you'll forget about secondhand enemies passed to you by squadmates
|
|
// as soon as you're given them.
|
|
Assert( m_flFreeKnowledgeDuration < m_flEnemyDiscardTime );
|
|
|
|
m_flFreeKnowledgeDuration = m_flEnemyDiscardTime - .1;
|
|
}
|
|
}
|