LTBOOL CAIGoalDisappearReappearEvasive::HandleNameValuePair(const char *szName, const char *szValue)
{
ASSERT(szName && szValue);
if ( !_stricmp(szName, "NOW") )
{
AITRACE( AIShowGoals, ( m_pAI->m_hObject, "GoalDisappearReappearEvasive: NOW=1" ) );
m_bForceDisappear = LTTRUE;
m_bRequiresImmediateResponse = LTTRUE;
SetCurToBaseImportance();
return LTTRUE;
}
else if ( !_stricmp(szName, "OVERRIDEDIST") )
{
m_fReappearDistOverride = (LTFLOAT)atof( szValue );
AITRACE( AIShowGoals, ( m_pAI->m_hObject, "GoalDisappearReappearEvasive: OVERRIDEDIST=%.2f", m_fReappearDistOverride ) );
return LTTRUE;
}
else if ( !_stricmp(szName, "DELAY") )
{
m_fReappearDelay = (LTFLOAT)atof( szValue );
AITRACE( AIShowGoals, ( m_pAI->m_hObject, "GoalDisappearReappearEvasive: DELAY=%.2f", m_fReappearDelay ) );
return LTTRUE;
}
return LTFALSE;
}
void CAIGoalMgr::Term(bool bDestroyAll)
{
// Delete all goals.
// Use RemoveGoal so that all goal removals follow the same
// code path. When SetGoalSet is called, it may call Term()
// to clear the goals. Calling RemoveGoal ensures that there
// are no dangling pointers.
CAIGoalAbstract* pGoal;
AIGOAL_LIST::iterator it = m_lstGoals.begin();
while( it != m_lstGoals.end() )
{
pGoal = (*it);
if( !bDestroyAll && pGoal->IsPermanentGoal() )
{
++it;
}
else {
AITRACE( AIShowGoals, ( m_pAI->m_hObject, "Removing Goal %s.", s_aszGoalTypes[pGoal->GetGoalType()] ) );
RemoveGoal( pGoal->GetGoalType() );
it = m_lstGoals.begin();
}
}
for( it = m_lstGoals.begin(); it != m_lstGoals.end(); ++it )
{
pGoal = (*it);
AITRACE( AIShowGoals, ( m_pAI->m_hObject, "Goal %s is Permanent. NOT removing.", s_aszGoalTypes[pGoal->GetGoalType()] ) );
}
}
LTBOOL CAIGoalTalk::HandleNameValuePair(const char *szName, const char *szValue)
{
ASSERT(szName && szValue);
if( super::HandleNameValuePair(szName, szValue) )
{
return LTTRUE;
}
if ( !_stricmp(szName, "MOOD") )
{
m_eMood = CAnimationMgrList::GetPropFromName( szValue );
return LTTRUE;
}
else if ( !_stricmp(szName, "FACETIME") )
{
m_fFaceTime = (LTFLOAT)atof(szValue);
return LTTRUE;
}
// Retrigger tells the AI to retrigger the dialogue object
// once he is in the radius.
else if ( !_stricmp(szName, "RETRIGGER") )
{
AITRACE( AIShowGoals, ( m_pAI->m_hObject, "CAIGoalTalk: RETRIGGER=1" ) );
m_bRetriggerDialogue = IsTrueChar(*szValue);
return LTTRUE;
}
// Disposable tells the AI to remove the Talk goal
// once he is out of the radius.
else if ( !_stricmp(szName, "DISPOSABLE") )
{
AITRACE( AIShowGoals, ( m_pAI->m_hObject, "CAIGoalTalk: DISPOSABLE=1" ) );
m_bDisposableDialogue = IsTrueChar(*szValue);
return LTTRUE;
}
else if ( !_stricmp(szName, "GESTURE") )
{
FREE_HSTRING( m_hstrGesture );
m_hstrGesture = g_pLTServer->CreateString( szValue );
return LTTRUE;
}
else if ( !_stricmp(szName, "MOVEMENT") )
{
m_eMovement = CAnimationMgrList::GetPropFromName( szValue );
return LTTRUE;
}
return LTFALSE;
}
bool CAIActivityAbstract::ActivateActivity()
{
// Set expiration time for activity, to ensure it
// bails if something goes awry.
m_fActivityActivateTime = g_pLTServer->GetTime();
if( m_fActivityTimeOut > 0.f )
{
m_fActivityExpirationTime = m_fActivityActivateTime + m_fActivityTimeOut;
}
// Announce squad members activating activity.
HOBJECT hAI;
for( uint32 iPotential=0; iPotential < m_cPotentialParticipants; ++iPotential )
{
hAI = m_aPotentialParticipants[iPotential];
if( hAI )
{
AITRACE( AIShowActivities, ( hAI, "Activating activity %s", s_aszActivityTypes[GetActivityClassType()] ) );
}
}
return true;
}
// ----------------------------------------------------------------------- //
//
// ROUTINE: CAIGoalCatch::ActivateGoal
//
// PURPOSE: Activate goal.
//
// ----------------------------------------------------------------------- //
void CAIGoalCatch::ActivateGoal(void)
{
super::ActivateGoal();
if (m_hStimulusTarget==LTNULL)
{
SetCurImportance(0);
AITRACE(AIShowGoals, ( m_pAI->m_hObject, "Aborting Goal %s\n", s_aszGoalTypes[GetGoalType()] ) );
return;
}
// Ignore senses other than see enemy.
m_pAI->SetCurSenseFlags( kSense_SeeEnemy | kSense_SeeDangerousProjectile | kSense_SeeCatchableProjectile );
m_pGoalMgr->LockGoal(this);
m_pAI->SetState( kState_HumanCatch );
// Set state specific information..
CAIHumanStateCatch* pCatchInstance = (CAIHumanStateCatch*)m_pAI->GetState();
// Save the object we intend to catch
pCatchInstance->SetObjectToCatch( m_hStimulusTarget );
// Set the animations to use
pCatchInstance->SetAnimationSequence( kAP_StartCatch, kAP_HoldCatch, kAP_EndCatch );
}
LTBOOL CAISenseRecorderAbstract::IncreaseStimulation(AISenseRecord* pSenseRecord, LTFLOAT fRateModifier)
{
AIBM_Stimulus* pStimulus = pSenseRecord->pAIBM_Last_Stimulus;
// Stimulation increase rate depends on alertness.
LTFLOAT fStimulationIncreaseRate = m_pSensing->IsAlert() ? (pStimulus->fStimulationIncreaseRateAlert) : (pStimulus->fStimulationIncreaseRateUnalert);
// Current stimulation is either max, or some formula. Whichever is less.
pSenseRecord->fCurStimulation = Min<LTFLOAT>( (pStimulus->rngStimulationThreshhold.GetMax()),
pSenseRecord->fCurStimulation
+ (m_pSensing->GetSenseUpdateRate() * fStimulationIncreaseRate
* fRateModifier));
// Keep track of the max stimulation, so when can detect coming down
// from full stimulation.
if(pSenseRecord->fCurStimulation > pSenseRecord->fMaxStimulation)
{
pSenseRecord->fMaxStimulation = pSenseRecord->fCurStimulation;
}
AITRACE(AIShowSenses, (m_pSensing->GetSensingObject(), "IncreaseStimulution of %s to %f\n", SenseToString(pSenseRecord->eSenseType), pSenseRecord->fCurStimulation) );
// Return true if sense should be handled.
if(pSenseRecord->fCurStimulation == pStimulus->rngStimulationThreshhold.GetMax())
{
return LTTRUE;
}
return LTFALSE;
}
void CAIActionAttackGrenade::SetNextThrowTime( CAI* pAI )
{
// Coordinate frequency of grenade attacks across all AIs.
if( !pAI->HasTarget( kTarget_Character | kTarget_Object ) )
{
return;
}
float fDelay = GetRandom( pAI->GetBrain()->GetAttackGrenadeThrowTimeMin(),
pAI->GetBrain()->GetAttackGrenadeThrowTimeMax() );
double fTime = g_pLTServer->GetTime() + LOWER_BY_DIFFICULTY( fDelay );
AITRACE( AIShowGoals, ( pAI->m_hObject, "NOW: %.2f NEXT: %.2f", g_pLTServer->GetTime(), fTime ) );
// Update the global fact tracking grenade throwing frequency, or create
// it if it does not yet exist.
CAIWMFact factQuery;
factQuery.SetFactType(kFact_Knowledge);
factQuery.SetKnowledgeType(kKnowledge_NextGrenadeTime);
CAIWMFact* pFact = g_pAIWorkingMemoryCentral->FindWMFact(factQuery);
if (!pFact)
{
pFact = g_pAIWorkingMemoryCentral->CreateWMFact(kFact_Knowledge);
pFact->SetKnowledgeType( kKnowledge_NextGrenadeTime, 1.f );
}
if (pFact)
{
pFact->SetTime( fTime );
}
}
CAIPathMgr::EnumPathBuildStatus CAIPathKnowledgeMgr::GetPathKnowledge(AIVolume *pDestVolume)
{
// Existing path knowledge is only valid while our index matches
// the global index.
if( m_nPathKnowledgeIndex != g_pAIPathMgr->GetPathKnowledgeIndex() )
{
ClearPathKnowledge();
m_nPathKnowledgeIndex = g_pAIPathMgr->GetPathKnowledgeIndex();
return CAIPathMgr::kPath_Unknown;
}
// Search for existing knowledge of paths to the dest volume.
AIPATH_KNOWLEDGE_MAP::iterator it = m_mapPathKnowledge.find( pDestVolume );
// Return existing knowledge.
if( it != m_mapPathKnowledge.end() )
{
if( it->second == CAIPathMgr::kPath_NoPathFound )
{
AITRACE( AIShowPaths, ( m_pAI->m_hObject, "Returning cached NoPathFound for %s", pDestVolume->GetName() ) );
}
return it->second;
}
// No knowledge exists.
return CAIPathMgr::kPath_Unknown;
}
LTBOOL CAISenseRecorderAbstract::DecreaseStimulation(AISenseRecord* pSenseRecord, LTFLOAT fRateModifier)
{
AIBM_Stimulus* pStimulus = pSenseRecord->pAIBM_Last_Stimulus;
// Stick at max until HandleSense handles it.
// if(pSenseRecord->fCurStimulation >= pStimulus->rngStimulationThreshhold.GetMax())
// {
// return LTFALSE;
// }
LTFLOAT fLastStimulation = pSenseRecord->fCurStimulation;
// Stimulation decrease rate depends on alertness.
LTFLOAT fStimulationDecreaseRate = m_pSensing->IsAlert() ? (pStimulus->fStimulationDecreaseRateAlert) : (pStimulus->fStimulationDecreaseRateUnalert);
// Current stimulation is either 0, or some formula. Whichever is more.
pSenseRecord->fCurStimulation = Max<LTFLOAT>(0.0f, pSenseRecord->fCurStimulation
- (m_pSensing->GetSenseUpdateRate() * fStimulationDecreaseRate
* fRateModifier));
AITRACE(AIShowSenses, (m_pSensing->GetSensingObject(), "DecreaseStimulution of %s to %f\n", SenseToString(pSenseRecord->eSenseType), pSenseRecord->fCurStimulation) );
// If stimulation has dropped below the partial stimulation
// threshold, it was a false stimulation.
if( ( pStimulus->nFalseStimulationLimit > 0 ) &&
( pSenseRecord->fMaxStimulation < pStimulus->rngStimulationThreshhold.GetMax() ) &&
( pSenseRecord->fCurStimulation < pStimulus->rngStimulationThreshhold.GetMin() ) &&
( fLastStimulation >= pStimulus->rngStimulationThreshhold.GetMin() ) )
{
++(pSenseRecord->cFalseStimulation);
AITRACE(AIShowSenses, (m_pSensing->GetSensingObject(), "FalseStimulution %d/%d of %s\n",
pSenseRecord->cFalseStimulation,
pStimulus->nFalseStimulationLimit,
SenseToString(pSenseRecord->eSenseType)) );
return LTTRUE;
}
if( pSenseRecord->fCurStimulation == 0.f )
{
pSenseRecord->fMaxStimulation = 0.f;
}
return LTFALSE;
}
void CAIGoalAbstractUseObject::SetStateUseObject()
{
m_pAI->SetState( GetUseObjectState() );
AINodeUseObject* pNodeUseObject = (AINodeUseObject*)g_pLTServer->HandleToObject(m_hNodeUseObject);
if( !pNodeUseObject )
{
AIASSERT( NULL, m_pAI->m_hObject, "CAIGoalAbstractUseObject::SetStateUseObject: AINodeUseObject is NULL.");
return;
}
CAIHumanStateUseObject* pStateUseObject = (CAIHumanStateUseObject*)(m_pAI->GetState());
pStateUseObject->StateHandlesNodeLocking( LTFALSE );
// Bail if there is any problem setting the node.
if( !pStateUseObject->SetNode(pNodeUseObject) )
{
AITRACE(AIShowGoals, ( m_pAI->m_hObject, "Unable to set UseObject node %s.", ::ToString( pNodeUseObject->GetName() ) ) );
m_hLastNodeUseObject = pNodeUseObject->m_hObject;
CompleteUseObject();
return;
}
pStateUseObject->SetWeaponPosition(m_eWeaponPosition);
pStateUseObject->SetRequireBareHands( m_bRequireBareHands );
pStateUseObject->SetAllowDialogue(m_bAllowDialogue);
pStateUseObject->TurnOnLights( m_bTurnOnLights );
pStateUseObject->TurnOffLights( m_bTurnOffLights );
// Find command string for AINodeType matching UseObject.
AIGBM_GoalTemplate* pTemplate = g_pAIGoalButeMgr->GetTemplate( GetGoalType() );
AIASSERT(pTemplate->cAttractors > 0, m_pAI->m_hObject, "CAIGoalAbstractUseObject::ActivateGoal: Goal has no attractors.");
HSTRING hstrCmd;
for(uint32 iAttractor=0; iAttractor < pTemplate->cAttractors; ++iAttractor)
{
hstrCmd = pNodeUseObject->GetSmartObjectCommand(pTemplate->aAttractors[iAttractor]);
if(hstrCmd != LTNULL)
{
pStateUseObject->SetSmartObjectCommand(hstrCmd);
break;
}
}
// Ensure that node is setup to be requested type of attractor.
if( !hstrCmd )
{
AIASSERT( 0, m_pAI->m_hObject, "CAIGoalAbstractUseObject::ActivateGoal: No command string found for attractors.");
m_fCurImportance = 0.f;
}
}
LTBOOL CAIGoalTalk::HandleGoalSenseTrigger(AISenseRecord* pSenseRecord)
{
// If the dialogue was disposable, and AI sensed anything,
// remove the Talk goal.
if( m_bDisposableDialogue )
{
AITRACE( AIShowGoals, ( m_pAI->m_hObject, "Disposing Talk Goal." ) );
m_pGoalMgr->DeleteGoalNextUpdate( kGoal_Talk );
}
return LTFALSE;
}
void CAIGoalAbstractSearch::SetStateSearch()
{
// Reset default senses, except for SeeAllyDisturbance.
m_pAI->SetCurSenseFlags( 0xffffffff & ~kSense_SeeAllyDisturbance );
// Cannot search without a weapon.
CAIHuman* pAIHuman = (CAIHuman*)m_pAI;
if( !pAIHuman->GetCurrentWeapon() )
{
m_pGoalMgr->LockGoal(this);
m_pAI->SetState( kState_HumanDraw );
return;
}
// Start searching.
m_pAI->SetState( kState_HumanSearch );
if( IsCharacter( m_hStimulusSource ) )
{
m_pAI->Target(m_hStimulusSource);
}
m_pGoalMgr->LockGoal(this);
CAIHumanStateSearch* pSearchState = (CAIHumanStateSearch*)m_pAI->GetState();
if( pSearchState )
{
pSearchState->SetPause(LTTRUE);
pSearchState->SetEngage(m_bEngageSearch);
pSearchState->SetFace(m_bFaceSearch);
// If any optional search regions have been specified, search them.
// Otherwise, search the AIs current region.
if( !m_lstRegions.empty() )
{
AIRegion* pRegion = (AIRegion*)g_pLTServer->HandleToObject( m_lstRegions.front() );
if( pRegion )
{
AITRACE( AIShowGoals, ( m_pAI->m_hObject, "Searching region %s", pRegion->GetName() ) );
}
pSearchState->SetDestRegion( m_lstRegions.front() );
m_lstRegions.erase( m_lstRegions.begin() );
}
}
}
void Alarm::CreateRegionLists()
{
LTVector vPos;
LTFLOAT fSearchY = 64.f;
g_pLTServer->GetObjectPos( m_hObject, &vPos );
AIVolume* pContainingVolume = g_pAIVolumeMgr->FindContainingVolume( LTNULL, vPos, eAxisAll, fSearchY, LTNULL );
if( pContainingVolume )
{
AITRACE( AIShowAlarms, ( m_hObject, "In AIVolume: %s", pContainingVolume->GetName() ) );
}
else {
char szName[64];
g_pLTServer->GetObjectName( m_hObject, szName, sizeof(szName) );
AIError( "INVALID ALARM: Alarm '%s' is not in an AIVolume!", szName );
}
AITRACE( AIShowAlarms, ( m_hObject, "Setting Alert Regions: %s", ::ToString( m_hstrAlertRegions ) ) );
AITRACE( AIShowAlarms, ( m_hObject, "Setting Respond Regions: %s", ::ToString( m_hstrRespondRegions ) ) );
AITRACE( AIShowAlarms, ( m_hObject, "Setting Search Regions: %s", ::ToString( m_hstrSearchRegions ) ) );
CreateRegionList( m_hstrAlertRegions, &m_lstAlertRegions );
CreateRegionList( m_hstrRespondRegions, &m_lstRespondRegions );
CreateRegionList( m_hstrSearchRegions, &m_lstSearchRegions );
}
void CAIActivityAbstract::DeactivateActivity()
{
m_fNextActivityUpdateTime = g_pLTServer->GetTime() + m_fActivityUpdateRate;
// Announce squad members deactivating activity.
HOBJECT hAI;
for( uint32 iPotential=0; iPotential < m_cPotentialParticipants; ++iPotential )
{
hAI = m_aPotentialParticipants[iPotential];
if( hAI )
{
AITRACE( AIShowActivities, ( hAI, "Deactivating activity %s", s_aszActivityTypes[GetActivityClassType()] ) );
}
}
}
LTBOOL CAIGoalGoto::HandleNameValuePair(const char *szName, const char *szValue)
{
ASSERT(szName && szValue);
if ( !_stricmp(szName, "NODE") )
{
AITRACE( AIShowGoals, ( m_pAI->m_hObject, "GOTO setting node=%s", szValue ) );
AINode* pNode = g_pAINodeMgr->GetNode( szValue );
if( pNode )
{
m_hDestNode = pNode->m_hObject;
// If Goal was already active (walking to previous goto node)
// Reset the goal.
if( m_pGoalMgr->IsCurGoal( this ) && ( m_pAI->GetState()->GetStateType() == kState_HumanGoto ) )
{
CAIHumanStateGoto* pGoto = (CAIHumanStateGoto*)m_pAI->GetState();
pGoto->SetDestNode( m_hDestNode );
}
}
else
{
AIASSERT1( 0, m_pAI->m_hObject, "CAIGoalGoto::HandleNameValuePair: Cannot find node '%s'", szValue );
}
return LTTRUE;
}
else if ( !_stricmp(szName, "MOVEMENT") )
{
m_eMovement = CAnimationMgrList::GetPropFromName( szValue );
return LTTRUE;
}
else if ( !_stricmp(szName, "AWARENESS") )
{
m_eAwareness = CAnimationMgrList::GetPropFromName( szValue );
return LTTRUE;
}
return LTFALSE;
}
LTBOOL CAIPathKnowledgeMgr::RegisterPathKnowledge(AIVolume *pDestVolume, CAIPathMgr::EnumPathBuildStatus eStatus)
{
// Existing path knowledge is only valid while our index matches
// the global index.
if( m_nPathKnowledgeIndex != g_pAIPathMgr->GetPathKnowledgeIndex() )
{
ClearPathKnowledge();
m_nPathKnowledgeIndex = g_pAIPathMgr->GetPathKnowledgeIndex();
}
// Search for existing knowledge of paths to the dest volume.
AIPATH_KNOWLEDGE_MAP::iterator it = m_mapPathKnowledge.find( pDestVolume );
// Register a new piece of path knowledge.
if( it == m_mapPathKnowledge.end() )
{
if( eStatus == CAIPathMgr::kPath_NoPathFound )
{
AITRACE( AIShowPaths, ( m_pAI->m_hObject, "Registering NoPathFound for %s", pDestVolume->GetName() ) );
}
m_mapPathKnowledge.insert( AIPATH_KNOWLEDGE_MAP::value_type( pDestVolume, eStatus ) );
return LTTRUE;
}
// There is a problem if the status has changed!
// The status of a dest volume should only change if something has happened to
// the connectivity: e.g. a door was locked/unlocked, a volume was enabled/disabled,
// an AI used a volume flagged as OnlyJumpDown, etc.
// In these cases, Path Knowledge should be cleared.
if( it->second != eStatus )
{
AIASSERT( 0, m_pAI->m_hObject, "CAIPathKnowledgeMgr::RegisterPathKnowledge: Volume status has changed!" );
return LTFALSE;
}
return LTTRUE;
}
LTBOOL CAIGoalAbstractStimulated::HandleDamage(const DamageStruct& damage)
{
// Stimuluated by whomever shot me.
m_hStimulusSource = damage.hDamager;
// Update the alarm level with new stimulus.
AIBM_Stimulus* pStimulus = g_pAIButeMgr->GetStimulus( kStim_EnemyWeaponImpactVisible );
if( pStimulus )
{
m_eSenseType = pStimulus->eSenseType;
m_hStimulusTarget = LTNULL;
m_pAI->IncrementAlarmLevel( pStimulus->nAlarmLevel );
AITRACE( AIShowGoals, ( m_pAI->m_hObject, "AI was shot!" ) );
}
// Always return false to allow normal damage handling.
return LTFALSE;
}
void CAIPlan::ActivatePlan( CAI* pAI )
{
if( !pAI )
{
return;
}
m_pAI = pAI;
m_fPlanActivationTime = g_pLTServer->GetTime();
CAIPlanStep* pPlanStep = m_lstAIPlanSteps[0];
if( pPlanStep )
{
CAIActionAbstract* pAction = g_pAIActionMgr->GetAIAction( pPlanStep->eAIAction );
if( pAction )
{
// Action's preconditions are not met. Bail.
if( !pAction->ValidateContextPreconditions( m_pAI, pPlanStep->wsWorldState, !IS_PLANNING ) )
{
AIASSERT2( 0, m_pAI->m_hObject, "Failed to activate plan due to first actions failed context preconditions: %s (%.2f)", s_aszActionTypes[pAction->GetActionRecord()->eActionType], pAction->GetActionRecord()->fActionCost );
m_pAI->GetAIBlackBoard()->SetBBInvalidatePlan( true );
return;
}
AITRACE( AIShowActions, ( m_pAI->m_hObject, "Activating Action: %s (%.2f)", s_aszActionTypes[pAction->GetActionRecord()->eActionType], pAction->GetActionRecord()->fActionCost ) );
pAction->ActivateAction( m_pAI, pPlanStep->wsWorldState );
// If action was immediately complete, advance to another action.
if( pAction->IsActionComplete( m_pAI ) )
{
AdvancePlan();
}
}
}
}
LTBOOL CAIGoalGuard::HandleNameValuePair(const char *szName, const char *szValue)
{
AIASSERT(szName && szValue, m_pAI->m_hObject, "CAIGoalGuard::HandleNameValuePair: Name or value is NULL.");
if( super::HandleNameValuePair(szName, szValue) )
{
return LTTRUE;
}
if ( !_stricmp(szName, "NODE") )
{
// If Goal was already active (walking to previous guard node)
// Reset the goal.
if( m_pGoalMgr->IsCurGoal( this ) )
{
m_pAI->SetState( kState_HumanIdle );
}
AINode* pNode = g_pAINodeMgr->GetNode(szValue);
if( pNode )
{
SetGuardNode( pNode );
RecalcImportance();
AITRACE( AIShowGoals, ( m_pAI->m_hObject, "CAIGoal%s: NODE=%s", s_aszGoalTypes[GetGoalType()], ::ToString( pNode->GetName() ) ) );
}
else {
AIError( "%s Cannot find node! CAIGoal%s: NODE=%s", m_pAI->GetName(), s_aszGoalTypes[GetGoalType()], szValue );
}
return LTTRUE;
}
return LTFALSE;
}
AINode* CAIGoalAbstractUseObject::HandleGoalAttractors()
{
// Do not search for attractors if goal is already active.
// Do not search on first update, to allow commands a chance to disable nodes.
// Do not search if AI has any damage flags set (e.g. sleeping damage).
if( m_pGoalMgr->IsCurGoal(this) ||
m_pAI->IsFirstUpdate() ||
m_pAI->GetDamageFlags() )
{
return LTNULL;
}
// If this goal reacts to stimulus, check if it has been too
// long since stimulation.
AIGBM_GoalTemplate* pTemplate = g_pAIGoalButeMgr->GetTemplate( GetGoalType() );
if( ( pTemplate->flagSenseTriggers != kSense_None )
&& ( !m_hStimulusSource ) )
{
return LTNULL;
}
// Lock the last UseObject node, so that we don't try to use it again.
BlockAttractorNodeFromSearch( m_hLastNodeUseObject );
// Find the nearest attractor.
AINode* pNode = FindNearestAttractorNode();
if(pNode != LTNULL)
{
AIASSERT(pNode->GetType() == kNode_UseObject, m_pAI->m_hObject, "CAIGoalAbstractUseObject::HandleGoalAttractors: AINode is not of type UseObject.");
AINodeUseObject* pNodeUseObject = (AINodeUseObject*)pNode;
if( pNodeUseObject->HasObject() && !pNodeUseObject->GetHObject() )
{
pNode = LTNULL;
m_fCurImportance = 0.f;
AIASSERT( 0, pNodeUseObject->m_hObject, "CAIGoalAbstractUseObject::HandleGoalAttractors: AINodeUseObject points to invalid object" );
}
else if( pNodeUseObject->IsOneWay() && ( pNodeUseObject->GetForward().Dot( m_pAI->GetForwardVector() ) < 0.0f ) )
{
pNode = LTNULL;
m_fCurImportance = 0.f;
}
else {
AITRACE(AIShowGoals, ( m_pAI->m_hObject, "Setting node: %s", ::ToString( pNode->GetName() ) ) );
m_hNodeUseObject = pNode->m_hObject;
SetCurToBaseImportance();
}
}
if( !pNode )
{
ClearUseObjectNode();
m_hStimulusSource = LTNULL;
}
// If we locked a node prior to the search, unlock it.
UnblockAttractorNodeFromSearch( m_hLastNodeUseObject );
return pNode;
}
void CAIGoalMgr::UpdateGoalRelevances( bool bReplan )
{
bool bRequiresHigherInterruptPriority = false;
bool bGoalChanged = false;
if( m_pAI->GetAnimationContext()->IsTransitioning() )
{
bRequiresHigherInterruptPriority = true;
}
// Some actions may be interrupted.
if( (m_pCurGoal )
&& ( m_pAI->GetAnimationContext()->IsLocked() )
&& ( !m_pCurGoal->IsPlanInterruptible() ) )
{
bRequiresHigherInterruptPriority = true;
}
CAIGoalAbstract* pGoalMax = FindMostRelevantGoal( true );
// Set the new current goal, which is the
// goal with the highest relevance that can
// formulate a valid plan of actions.
while( pGoalMax )
{
// If the pGoalMax has the same relevance as the current goal, prefer the
// current to avoid abandoning a goal prematurely when there isn't anything
// better to do.
if ( (m_pCurGoal && pGoalMax) &&
(m_pCurGoal != pGoalMax) &&
(m_pCurGoal->GetGoalRelevance() == pGoalMax->GetGoalRelevance()))
{
pGoalMax = m_pCurGoal;
}
// Goal has not changed.
// No planning necessary.
if( ( pGoalMax == m_pCurGoal ) &&
( !bReplan ) &&
( !m_pCurGoal->ReplanRequired() ) )
{
break;
}
// Do not reactivate the same goal while transitioning.
if( ( pGoalMax == m_pCurGoal )
&& ( m_pAI->GetAnimationContext()->IsTransitioning() )
&& ( !m_pCurGoal->CanReactivateDuringTransitions() ) )
{
break;
}
// Goal must interrupt to be valid (ie damage response which must
// be played).
if ( bRequiresHigherInterruptPriority
&& pGoalMax && m_pCurGoal
&& ( pGoalMax != m_pCurGoal )
&& ( pGoalMax->GetInterruptPriority() <= m_pCurGoal->GetInterruptPriority() ) )
{
pGoalMax->ClearGoalRelevance();
}
// Failed to meet random probability of activation.
else if( ( pGoalMax->GetActivateChance() < 1.f ) &&
( pGoalMax->GetActivateChance() < GetRandom(0.0f, 1.0f) ) )
{
pGoalMax->ClearGoalRelevance();
}
// Activate the goal if we formulated
// a valid plan.
else if( pGoalMax->BuildPlan() )
{
if( m_pCurGoal )
{
m_pCurGoal->DeactivateGoal();
AITRACE( AIShowGoals, ( m_pAI->m_hObject, "Deactivating Goal: %s", s_aszGoalTypes[m_pCurGoal->GetGoalType()] ) );
}
m_pCurGoal = pGoalMax;
AITRACE( AIShowGoals, ( m_pAI->m_hObject, "Activating Goal: %s (%.2f)", s_aszGoalTypes[m_pCurGoal->GetGoalType()], m_pCurGoal->GetGoalRelevance() ) );
m_pCurGoal->ActivateGoal();
m_pCurGoal->ActivatePlan();
bGoalChanged = true;
break;
}
// Could not build a valid plan.
else {
pGoalMax->HandleBuildPlanFailure();
}
pGoalMax = FindMostRelevantGoal( false );
}
// No max goal was found, so the AI has no current goal or state.
if( bReplan && !pGoalMax
&& !bRequiresHigherInterruptPriority
&& !m_pAI->GetAnimationContext()->IsTransitioning() )
{
m_pCurGoal = NULL;
m_pAI->ClearState();
}
// Clear the SelectAction flag from the blackboard.
// If the Goal required a interrupt, and the Goal did not change,
// then do not clear the SelectAction flag.
if( bRequiresHigherInterruptPriority && !bGoalChanged )
{
return;
}
else {
m_pAI->GetAIBlackBoard()->SetBBSelectAction( false );
}
}
bool CAIPlanner::BuildPlan( CAI* pAI, CAIGoalAbstract* pGoal )
{
//track our performance
///CTimedSystemBlock TimingBlock(g_tsAIPlanner);
// Initialize the planner.
m_AStarMapPlanner.InitAStarMapPlanner( pAI );
m_AStarGoalPlanner.InitAStarGoalPlanner( pAI, &m_AStarMapPlanner, pGoal );
// Set the start of the search to -1, indicating that
// the search starts from the AIGoal rather than from
// an AIAction.
m_AStar.SetAStarSource( (ENUM_AStarNodeID)-1 );
// Run the AStar machine to search for a valid plan
// to satisfy the AIGoal.
AITRACE( AIShowPlanner, ( pAI->m_hObject, "Planner starting AStar for Goal '%s'...", s_aszGoalTypes[pGoal->GetGoalType()] ) );
m_AStar.RunAStar( pAI );
// If after the search the current node is NULL, then no
// valid plan was found.
CAIAStarNodePlanner* pNode = (CAIAStarNodePlanner*)( m_AStar.GetAStarNodeCur() );
if( !pNode )
{
AITRACE( AIShowPlanner, ( pAI->m_hObject, "No plan found." ) );
return false;
}
// Create a new plan.
CAIPlan* pPlan = AI_FACTORY_NEW( CAIPlan );
AITRACE( AIShowPlanner, ( pAI->m_hObject, "Found plan:" ) );
// Iterate over nodes in the planner's search path,
// and add them to the plan.
EnumAIActionType eAction;
CAIPlanStep* pPlanStep;
AIPLAN_STEP_LIST::iterator itPlan = pPlan->m_lstAIPlanSteps.end();
while( pNode )
{
// If the AIAction is Invalid, this is the final node.
eAction = m_AStarMapPlanner.ConvertID_AStarNode2AIAction( pNode->eAStarNodeID );
if( eAction == kAct_InvalidType )
{
break;
}
// Create a new plan step.
pPlanStep = AI_FACTORY_NEW( CAIPlanStep );
// Set the AIAction for this plan step.
AITRACE( AIShowPlanner, ( pAI->m_hObject, " Action: %s", s_aszActionTypes[eAction] ) );
pPlanStep->eAIAction = eAction;
// Advance the plan to the next node.
pNode = (CAIAStarNodePlanner*)( pNode->pAStarParent );
// Copy the world state from the node.
// This is the world state that should be achieved
// taking this step of the plan.
pPlanStep->wsWorldState.CopyWorldState( pNode->wsWorldStateGoal );
// Add the new step to the plan.
pPlan->m_lstAIPlanSteps.push_back( pPlanStep );
}
// Set the new plan for the AIGoal.
pGoal->SetAIPlan( pPlan );
// Successfully built a plan.
return true;
}
bool CAIPlan::AdvancePlan()
{
CAIActionAbstract* pAction;
CAIPlanStep* pPlanStep;
// Continue advancing the plan until we find
// one that can activate and is not immediately
// complete.
while( 1 )
{
// Apply Effects to context.
// By default, Actions do not have any effect on the real world.
// They only affect the planners representation of the world.
// This gives more control of where WorldState variables are set,
// or allows them to never be set.
// (e.g. AtTargetPos is never really true in the real world,
// because targets more continuously.)
pPlanStep = m_lstAIPlanSteps[m_iPlanStep];
if( pPlanStep )
{
pAction = g_pAIActionMgr->GetAIAction( pPlanStep->eAIAction );
if( pAction )
{
pAction->ApplyContextEffect( m_pAI, m_pAI->GetAIWorldState(), &( pPlanStep->wsWorldState ) );
pAction->DeactivateAction( m_pAI );
}
}
// Advance the step.
// Bail if no more steps.
++m_iPlanStep;
if( m_iPlanStep >= m_lstAIPlanSteps.size() )
{
return false;
}
pPlanStep = m_lstAIPlanSteps[m_iPlanStep];
if( pPlanStep )
{
pAction = g_pAIActionMgr->GetAIAction( pPlanStep->eAIAction );
if( pAction )
{
// Action's preconditions are not met. Bail.
if( !pAction->ValidateContextPreconditions( m_pAI, pPlanStep->wsWorldState, !IS_PLANNING ) )
{
return false;
}
// Bail if action is not immediately complete.
AITRACE( AIShowActions, ( m_pAI->m_hObject, "Activating Action: %s (%.2f)", s_aszActionTypes[pAction->GetActionRecord()->eActionType], pAction->GetActionRecord()->fActionCost ) );
pAction->ActivateAction( m_pAI, pPlanStep->wsWorldState );
if( !pAction->IsActionComplete( m_pAI ) )
{
return true;
}
// Deactivate action if it was immediately complete.
pAction->DeactivateAction( m_pAI );
}
}
}
// Something is wrong.
return false;
}
void CAIGoalMgr::SelectRelevantGoal()
{
//track our performance
CTimedSystemBlock TimingBlock(g_tsAIGoalSelection);
//
// Determine if the goals should be updated, and if so, if replanning is
// required.
//
bool bUpdateGoals = false;
bool bForceReplanning = false;
if ( m_pCurGoal )
{
// Test for an invalid plan.
if ( !m_pCurGoal->IsPlanValid() )
{
AITRACE( AIShowGoals, ( m_pAI->m_hObject, "Plan is invalid for Goal: %s.", s_aszGoalTypes[m_pCurGoal->GetGoalType()] ) );
bUpdateGoals = true;
bForceReplanning = true;
}
// Test for a satisfied plan.
else if ( m_pCurGoal->IsWSSatisfied( m_pAI->GetAIWorldState() ) )
{
AITRACE( AIShowGoals, ( m_pAI->m_hObject, "Goal is satisfied: %s.", s_aszGoalTypes[m_pCurGoal->GetGoalType()] ) );
bUpdateGoals = true;
bForceReplanning = true;
}
}
//
// Test for a request to reselect actions.
//
if ( m_pAI->GetAIBlackBoard()->GetBBSelectAction() )
{
bUpdateGoals = true;
}
//
// Plan has been invalidated, so immediately force a replan.
//
if ( m_pAI->GetAIBlackBoard()->GetBBInvalidatePlan() )
{
AITRACE( AIShowGoals, ( m_pAI->m_hObject, "Honoring forced replanning request." ) );
bUpdateGoals = true;
bForceReplanning = true;
}
//
// Perform the actual goal updating/replanning if requested
//
if ( bUpdateGoals )
{
UpdateGoalRelevances( bForceReplanning );
}
// Clear the forced replanning flag.
// Clear this AFTER updating goal relevances. Some
// legacy code depends on the state of the InvalidatePlan flag.
// (e.g. AINavMeshLinkCrawl).
m_pAI->GetAIBlackBoard()->SetBBInvalidatePlan( false );
}
bool Alarm::OnTrigger(HOBJECT hSender, const CParsedMsg &cMsg)
{
static CParsedMsg::CToken s_cTok_Activate(s_szActivate);
static CParsedMsg::CToken s_cTok_Lock(s_szLock);
static CParsedMsg::CToken s_cTok_Unlock(s_szUnlock);
if ( cMsg.GetArg(0) == s_cTok_Activate )
{
// If the alarm is activated from a command, the sender is
// NULL (dammit!). So treat it as player-activated.
// If the alarm is activated by something other than AI
// (e.g. a command object) consider it player activated.
if( !IsAI( hSender ) )
{
CPlayerObj *pPlayer = g_pCharacterMgr->FindPlayer();
hSender = pPlayer->m_hObject;
}
HOBJECT hStimulus = hSender;
if( IsPlayer(hSender) )
{
// Run the alarm's player-activate command.
if( m_hstrPlayerActivateCommand )
{
const char *szCmd = g_pLTServer->GetStringData( m_hstrPlayerActivateCommand );
if( g_pCmdMgr->IsValidCmd( szCmd ) )
{
g_pCmdMgr->Process( szCmd, m_hObject, m_hObject );
}
}
}
else
{
// The stimulus is the target of the AI who activated the alarm.
CAI* pAI = (CAI*)g_pLTServer->HandleToObject(hSender);
hStimulus = pAI->GetTarget()->GetObject();
}
// Ensure that lists of Alert and Respond regions are set up.
if( ( m_fRegionsGroupRadius == 0.f ) &&
( ( m_lstAlertRegions.size() > 0 ) ||
( m_lstRespondRegions.size() > 0 ) ||
( m_lstSearchRegions.size() > 0 ) ) )
{
CalculateRegionsGroupRadius();
}
// Place an alarm stimulus.
// The stimulus position and radius are set to values that encompass
// all of the regions affected by the alarm.
g_pAIStimulusMgr->RegisterStimulus(kStim_EnemyAlarmSound, hStimulus, m_hObject, m_vRegionsGroupCenter, m_fRegionsGroupRadius, m_fAlarmSoundTime);
AITRACE( AIShowAlarms, ( m_hObject, "Triggering alarm" ) );
}
else if ( cMsg.GetArg(0) == s_cTok_Lock )
{
m_bLocked = LTTRUE;
}
else if ( cMsg.GetArg(0) == s_cTok_Unlock )
{
m_bLocked = LTFALSE;
}
else
return Prop::OnTrigger(hSender, cMsg);
return true;
}
void CAISenseRecorderAbstract::HandleSenses(uint32 nCycle)
{
AISENSE_RECORD_MAP::iterator it;
for(it = m_mapSenseRecords.begin(); it != m_mapSenseRecords.end(); ++it)
{
AISenseRecord* pSenseRecord = it->second;
AIBM_Stimulus* pAIBM_Stimulus = pSenseRecord->pAIBM_Last_Stimulus;
// If pAIBM_Stimulus is NULL, this sense has never been stimulated.
if(pAIBM_Stimulus == LTNULL)
{
continue;
}
// Check for senses that were not updated this cycle.
// Ignore senses that were not updated this cycle because
// of a delayed stimulus.
if((pSenseRecord->nCycle != nCycle) && (pSenseRecord->fReactionDelayTimer == 0.f))
{
// Decrease the simulation, if there is any.
if(pSenseRecord->fCurStimulation > 0.f)
{
LTBOOL bFalseStimulation = DecreaseStimulation(pSenseRecord, 1.0f);
// If not a false stimulation, do not let the state handle the sense.
if(!bFalseStimulation)
{
continue;
}
// If we have hit the false stimulation limit, treat it as a real stimulation.
if( pSenseRecord->cFalseStimulation >= pAIBM_Stimulus->nFalseStimulationLimit )
{
pSenseRecord->cFalseStimulation = 0;
pSenseRecord->fCurStimulation = pAIBM_Stimulus->rngStimulationThreshhold.GetMax();
pSenseRecord->fMaxStimulation = pAIBM_Stimulus->rngStimulationThreshhold.GetMax();
AITRACE(AIShowSenses, (m_pSensing->GetSensingObject(), "Hit FalseStimulution Limit %d of %s\n", pAIBM_Stimulus->nFalseStimulationLimit, SenseToString(pSenseRecord->eSenseType)) );
}
// Treat other false stimulations as other senses,
// if an optional FalseStimulusSense was specified.
else if( pAIBM_Stimulus->eFalseStimulusSense != kSense_InvalidType )
{
AISenseRecord* pFalseStimulationSense = GetSense( pAIBM_Stimulus->eFalseStimulusSense );
if( pFalseStimulationSense )
{
pFalseStimulationSense->pAIBM_Last_Stimulus = pAIBM_Stimulus;
pFalseStimulationSense->hLastStimulusSource = pSenseRecord->hLastStimulusSource;
pFalseStimulationSense->vLastStimulusPos = pSenseRecord->vLastStimulusPos;
pFalseStimulationSense->eLastStimulusID = pSenseRecord->eLastStimulusID;
pFalseStimulationSense->fCurStimulation = pAIBM_Stimulus->rngStimulationThreshhold.GetMax();
pFalseStimulationSense->fMaxStimulation = pAIBM_Stimulus->rngStimulationThreshhold.GetMax();
pFalseStimulationSense->fLastStimulationTime = pSenseRecord->fLastStimulationTime;
pFalseStimulationSense->nLastStimulusAlarmLevel = 1;
pFalseStimulationSense->nCycle = nCycle;
}
}
}
}
// Invalidate hiding spots if AI can already see player.
if( ( pSenseRecord->eSenseType == kSense_SeeEnemy ) &&
IsPlayer( pSenseRecord->hLastStimulusSource ) &&
IsAI( m_pSensing->GetSensingObject() ) &&
( pSenseRecord->fCurStimulation >= 0.5f ) )
{
CPlayerObj* pPlayer = (CPlayerObj*)g_pLTServer->HandleToObject( pSenseRecord->hLastStimulusSource );
CAI* pAI = (CAI*)g_pLTServer->HandleToObject( m_pSensing->GetSensingObject() );
if( pPlayer && pAI )
{
pPlayer->SetVisibleToEnemyAI( pAI, true );
}
}
// Check if we're fully stimulated.
if(pSenseRecord->fCurStimulation >= pAIBM_Stimulus->rngStimulationThreshhold.GetMax())
{
// Wait for, or increment, ReactionDelay.
if(pSenseRecord->fReactionDelayTimer >= pSenseRecord->fReactionDelayTime)
{
m_pSensing->HandleSenseTrigger( pSenseRecord );
pSenseRecord->fReactionDelayTimer = 0.f;
pSenseRecord->fReactionDelayTime = 0.f;
}
else pSenseRecord->fReactionDelayTimer += m_pSensing->GetSenseUpdateRate();
}
}
}
void CAIPathKnowledgeMgr::ClearPathKnowledge()
{
m_mapPathKnowledge.clear();
AITRACE( AIShowPaths, ( m_pAI->m_hObject, "Clearing cached PathKnowledge" ) );
}
void CAIGoalMountedFlashlight::RecalcImportance()
{
if( m_pAI->IsFirstUpdate() )
{
return;
}
// Create a flashlight model if we have a ranged weapon
// (because it is mounted on the gun).
if( !m_bCheckedForRangedWeapon )
{
if( HasRangedWeapon() )
{
m_bHasRangedWeapon = LTTRUE;
}
m_bCheckedForRangedWeapon = LTTRUE;
}
// Ignore flashlight if we do not know our current volume,
// or do not have a flashlight.
if( !( m_bHasRangedWeapon &&
m_pAI->HasCurrentVolume() ) )
{
return;
}
AIVolume* pVolume = m_pAI->GetCurrentVolume();
// Volume is lit, so turn off flashlight.
// Turn off light if affected by special damage (e.g. knocked out).
// Turn off light if ranged weapon is not currently armed.
if( m_bLightOn &&
( pVolume->IsLit() ||
m_pAI->GetDamageFlags() ||
!m_pAI->HasWeapon( kAIWeap_Ranged ) ) )
{
char szDetach[128];
sprintf( szDetach, "%s Light", KEY_DETACH );
SendTriggerMsgToObject( m_pAI, m_pAI->m_hObject, LTFALSE, szDetach );
AITRACE( AIShowGoals, ( m_pAI->m_hObject, "Flashlight OFF" ) );
m_pAI->PlaySound( FLASHLIGHT_SOUND );
m_bLightOn = LTFALSE;
}
// Volume is dark, so turn on flashlight.
// Do not turn on a light if affected by special damage (e.g. knocked out).
// Do not turn on light if ranged weapon is not currently armed.
else if( !m_bLightOn &&
!pVolume->IsLit() &&
!m_pAI->GetDamageFlags() &&
m_pAI->HasWeapon( kAIWeap_Ranged ) )
{
char szAttachment[128];
sprintf( szAttachment, "%s Light (%s)", KEY_ATTACH, FLASHLIGHT_ATTACHMENT );
SendTriggerMsgToObject( m_pAI, m_pAI->m_hObject, LTFALSE, szAttachment );
AITRACE( AIShowGoals, ( m_pAI->m_hObject, "Flashlight ON" ) );
m_pAI->PlaySound( FLASHLIGHT_SOUND );
m_bLightOn = LTTRUE;
}
}