// ----------------------------------------------------------------------- // // // ROUTINE: CAIActionAttackFromNode::ValidateContextPreconditions // // PURPOSE: Return true if real-time preconditions are valid. // // ----------------------------------------------------------------------- //

bool CAIActionAttackFromNode::ValidateContextPreconditions( CAI* pAI, CAIWorldState& wsWorldStateGoal, bool bIsPlanning ) { // Intentionally do not call super::ValidateContextPreconditions(). // Firing from a node ignores range.

// AI does not have a weapon of the correct type

if (!AIWeaponUtils::HasWeaponType(pAI, GetWeaponType(), bIsPlanning)) { return false; }

// AI does not have any ammo required by this weapon type.

if ( !AIWeaponUtils::HasAmmo(pAI, GetWeaponType(), bIsPlanning ) ) { return false; }

// AI must already be at a node.

SAIWORLDSTATE_PROP* pProp = pAI->GetAIWorldState()->GetWSProp( kWSK_AtNode, pAI->m_hObject ); if( !( pProp && pProp->hWSValue ) ) { return false; } HOBJECT hNode = pProp->hWSValue;

// Node must be derived from SmartObject.

HCLASS hTest = g_pLTServer->GetClass( "AINodeSmartObject" ); HCLASS hClass = g_pLTServer->GetObjectClass( hNode ); if( !g_pLTServer->IsKindOf( hClass, hTest ) ) { return false; }

// Node must be correct type.

AINode* pNode = (AINode*)g_pLTServer->HandleToObject( pProp->hWSValue ); if( !( pNode && ( pNode->GetType() == m_pActionRecord->eNodeType ) ) ) { return false; }

// The node must be valid in terms of FOV.

if( pAI->HasTarget( kTarget_Character | kTarget_Object | kTarget_CombatOpportunity ) && pNode->IsNodeValid( pAI, pAI->GetPosition(), pAI->GetAIBlackBoard()->GetBBTargetObject(), kThreatPos_TargetPos, m_dwNodeStatus ) ) { return true; }

// Preconditions are not valid.

return false; } // ----------------------------------------------------------------------- //