AIUpdate.cpp

/*
**	Command & Conquer Generals(tm)
**	Copyright 2025 Electronic Arts Inc.
**
**	This program is free software: you can redistribute it and/or modify
**	it under the terms of the GNU General Public License as published by
**	the Free Software Foundation, either version 3 of the License, or
**	(at your option) any later version.
**
**	This program is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
**	GNU General Public License for more details.
**
**	You should have received a copy of the GNU General Public License
**	along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

////////////////////////////////////////////////////////////////////////////////
//																																						//
//  (c) 2001-2003 Electronic Arts Inc.																				//
//																																						//
////////////////////////////////////////////////////////////////////////////////

// AIUpdate.cpp //
// Implementation of generic AI mechanisms
// Author: Michael S. Booth, 2001-2002
// Subsequently : John Ahlquist 2002 and a cast of thousands.

#include "PreRTS.h"	// This must go first in EVERY cpp file int the GameEngine

#define DEFINE_LOCOMOTORSET_NAMES					// for TheLocomotorSetNames[]
#define DEFINE_AUTOACQUIRE_NAMES

#include "Common/ActionManager.h"
#include "Common/GameState.h"
#include "Common/CRCDebug.h"
#include "Common/GlobalData.h"
#include "Common/Player.h"
#include "Common/PlayerList.h"
#include "Common/RandomValue.h"
#include "Common/Team.h"
#include "Common/ThingFactory.h"
#include "Common/ThingTemplate.h"
#include "Common/Upgrade.h"
#include "Common/PerfTimer.h"
#include "Common/UnitTimings.h"
#include "Common/Xfer.h"
#include "Common/XferCRC.h"

#include "GameClient/ControlBar.h"
#include "GameClient/Drawable.h"
#include "GameClient/InGameUI.h"  // useful for printing quick debug strings when we need to

#include "GameLogic/AI.h"
#include "GameLogic/AIPathfind.h"
#include "GameLogic/Locomotor.h"
#include "GameLogic/Module/AIUpdate.h"
#include "GameLogic/Module/BodyModule.h"
#include "GameLogic/Module/ContainModule.h"
#include "GameLogic/Module/PhysicsUpdate.h"
#include "GameLogic/Module/ProneUpdate.h"
#include "GameLogic/Module/DeliverPayloadAIUpdate.h"
#include "GameLogic/Module/HackInternetAIUpdate.h"
#include "GameLogic/Module/HordeUpdate.h"
#include "GameLogic/Object.h"
#include "GameLogic/PartitionManager.h"
#include "GameLogic/PolygonTrigger.h"
#include "GameLogic/ScriptEngine.h"
#include "GameLogic/TurretAI.h"
#include "GameLogic/Weapon.h"
#include "Common/Radar.h"									// For TheRadar

#define SLEEPY_AI

#ifdef _INTERNAL
// for occasional debugging...
//#pragma optimize("", off)
//#pragma MESSAGE("************************************** WARNING, optimization disabled for debugging purposes")
#endif

//-------------------------------------------------------------------------------------------------
AIUpdateModuleData::AIUpdateModuleData()
{
	//m_locomotorTemplates	-- nothing to do
	for (int i = 0; i < MAX_TURRETS; i++)
		m_turretData[i] = NULL;
	m_autoAcquireEnemiesWhenIdle = 0;
	m_moodAttackCheckRate = LOGICFRAMES_PER_SECOND * 2;
#ifdef ALLOW_SURRENDER
	m_surrenderDuration = LOGICFRAMES_PER_SECOND * 120;
#endif
}

//-------------------------------------------------------------------------------------------------
AIUpdateModuleData::~AIUpdateModuleData()
{
	for (int i = 0; i < MAX_TURRETS; i++)
	{
		if (m_turretData[i])
		{
			TurretAIData* td = const_cast<TurretAIData*>(m_turretData[i]);
			if (td)
				td->deleteInstance();
		}
	}
}

//-------------------------------------------------------------------------------------------------
const LocomotorTemplateVector* AIUpdateModuleData::findLocomotorTemplateVector(LocomotorSetType t) const
{
	if (m_locomotorTemplates.empty())
		return NULL;

  LocomotorTemplateMap::const_iterator it = m_locomotorTemplates.find(t);
  if (it == m_locomotorTemplates.end()) 
	{
		return NULL;
	}
	else
	{
		return &(*it).second;
	}
}

//-------------------------------------------------------------------------------------------------
/*static*/ void AIUpdateModuleData::buildFieldParse(MultiIniFieldParse& p) 
{
  ModuleData::buildFieldParse(p);

	static const FieldParse dataFieldParse[] = 
	{
		{ "Turret", AIUpdateModuleData::parseTurret, NULL, offsetof(AIUpdateModuleData, m_turretData[0]) },
		{ "AltTurret", AIUpdateModuleData::parseTurret, NULL, offsetof(AIUpdateModuleData, m_turretData[1]) },
		{ "AutoAcquireEnemiesWhenIdle", INI::parseBitString32, TheAutoAcquireEnemiesNames, offsetof(AIUpdateModuleData, m_autoAcquireEnemiesWhenIdle) },
		{ "MoodAttackCheckRate", INI::parseDurationUnsignedInt, NULL, offsetof(AIUpdateModuleData, m_moodAttackCheckRate) },
#ifdef ALLOW_SURRENDER
		{ "SurrenderDuration", INI::parseDurationUnsignedInt, NULL, offsetof(AIUpdateModuleData, m_surrenderDuration) },
#endif
		{ 0, 0, 0, 0 }
	};
  p.add(dataFieldParse);
}

//-------------------------------------------------------------------------------------------------
/*static*/ void AIUpdateModuleData::parseTurret(INI* ini, void *instance, void * store, const void* /*userData*/)
{
	if (*(TurretAIData**)store)
	{
		DEBUG_CRASH(("Only one turret to a customer, for now"));
		throw INI_INVALID_DATA;
	}

	TurretAIData* td = newInstance(TurretAIData);
	ini->initFromINIMultiProc(td, td->buildFieldParse);
	*(TurretAIData**)store = td;
}

//-------------------------------------------------------------------------------------------------
/*static*/ void AIUpdateModuleData::parseLocomotorSet(INI* ini, void *instance, void * /*store*/, const void* /*userData*/)
{
	ThingTemplate *tt = (ThingTemplate *)instance;
	AIUpdateModuleData *self = tt->friend_getAIModuleInfo();
	if (!self) 
	{
		DEBUG_CRASH(("Attempted to specify a locomotor for an object without an AIUpdate block."));
		throw INI_INVALID_DATA;
	}

	LocomotorSetType set = (LocomotorSetType)INI::scanIndexList(ini->getNextToken(), TheLocomotorSetNames);
	if (!self->m_locomotorTemplates[set].empty())
	{
		if (ini->getLoadType() != INI_LOAD_CREATE_OVERRIDES)
		{
			DEBUG_CRASH(("re-specifying a LocomotorSet is no longer allowed\n"));
			throw INI_INVALID_DATA;
		}
	}

	self->m_locomotorTemplates[set].clear();
	for (const char* locoName = ini->getNextToken(); locoName; locoName = ini->getNextTokenOrNull())
	{
		if (!*locoName || !stricmp(locoName, "None"))
			continue;

		NameKeyType locoKey = NAMEKEY(locoName);
		const LocomotorTemplate* lt = TheLocomotorStore->findLocomotorTemplate(locoKey);
		if (!lt)
		{
			DEBUG_CRASH(("Locomotor %s not found!\n",locoName));
			throw INI_INVALID_DATA;
		}
		self->m_locomotorTemplates[set].push_back(lt);
	}
}

//-------------------------------------------------------------------------------------------------
// subclasses may want to override this, to use a subclass of AIStateMachine.
AIStateMachine* AIUpdateInterface::makeStateMachine()
{
	return newInstance(AIStateMachine)( getObject(), "AIUpdateInterfaceMachine");
}

//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
AIUpdateInterface::AIUpdateInterface( Thing *thing, const ModuleData* moduleData ) : 
	UpdateModule( thing, moduleData )
{
	int i;

	m_priorWaypointID = 0xfacade;
	m_currentWaypointID	= 0xfacade;
	m_stateMachine = NULL;
	m_nextEnemyScanTime = 0;
	m_currentVictimID = INVALID_ID;
	m_desiredSpeed = FAST_AS_POSSIBLE;
	m_lastCommandSource = CMD_FROM_AI;
	m_guardMode = GUARDMODE_NORMAL;
	m_guardTargetType[0] = m_guardTargetType[1] = GUARDTARGET_NONE;
	m_locationToGuard.zero();
	m_objectToGuard = INVALID_ID;
	m_areaToGuard = NULL;
	m_attackInfo = NULL;
	m_waypointCount = 0;
	m_waypointIndex = 0;
	m_completedWaypoint = NULL;
	m_path = NULL;
	m_requestedVictimID = INVALID_ID;
	m_requestedDestination.zero();
	m_requestedDestination2.zero();
	m_pathTimestamp = 0;
	m_ignoreObstacleID = INVALID_ID;
	m_pathExtraDistance = 0;
	m_pathfindGoalCell.x = m_pathfindGoalCell.y = -1;
	m_pathfindCurCell.x = m_pathfindCurCell.y = -1;
	m_blockedFrames = 0;
	m_curMaxBlockedSpeed = 0;
	m_bumpSpeedLimit = FAST_AS_POSSIBLE;
	m_ignoreCollisionsUntil = 0;
	m_queueForPathFrame = 0;
	m_finalPosition.zero();
	m_repulsor1 = INVALID_ID;
	m_repulsor2 = INVALID_ID;
	m_nextGoalPathIndex = -1;
	m_moveOutOfWay1 = INVALID_ID;
	m_moveOutOfWay2 = INVALID_ID;
	m_locomotorSet.clear();
	m_curLocomotor = NULL;
	m_curLocomotorSet = LOCOMOTORSET_INVALID;
	m_locomotorGoalType = NONE;
	m_locomotorGoalData.zero();
	for (i = 0; i < MAX_TURRETS; i++)
		m_turretAI[i] = NULL;
	m_turretSyncFlag = TURRET_INVALID;
	m_attitude = ATTITUDE_NORMAL;
	m_nextMoodCheckTime = 0;
#ifdef ALLOW_DEMORALIZE
	m_demoralizedFramesLeft = 0;
#endif
#ifdef ALLOW_SURRENDER
	m_surrenderedFramesLeft = 0;
	m_surrenderedPlayerIndex = -1;
#endif
	m_crateCreated = INVALID_ID;
	m_tmpInt = 0;
	m_doFinalPosition = FALSE;
	m_waitingForPath = FALSE;
	m_isAttackPath = FALSE;
	m_isFinalGoal = FALSE;
	m_isApproachPath = FALSE;
	m_isSafePath = FALSE;
	m_movementComplete = FALSE;
	m_isMoving = FALSE;
	m_isBlocked = FALSE;
	m_isBlockedAndStuck = FALSE;
	m_upgradedLocomotors = FALSE;
	m_canPathThroughUnits = FALSE;
	m_randomlyOffsetMoodCheck = FALSE;
	m_isAiDead = FALSE;
	m_isRecruitable = TRUE; // Things default to being recruitable.
	m_executingWaypointQueue = FALSE;
	m_retryPath = FALSE;
	m_isInUpdate = FALSE;
	m_fixLocoInPostProcess = FALSE;

	// ---------------------------------------------

	for (i = 0; i < MAX_TURRETS; i++)
	{
		if (getAIUpdateModuleData()->m_turretData[i])
		{
			m_turretAI[i] = newInstance(TurretAI)(getObject(), getAIUpdateModuleData()->m_turretData[i], (WhichTurretType)i);
		}
	}

	chooseLocomotorSet(LOCOMOTORSET_NORMAL);

#ifdef SLEEPY_AI
	setWakeFrame(getObject(), UPDATE_SLEEP_NONE);
#endif
}

#ifdef ALLOW_SURRENDER
//=============================================================================
// Object::setSurrendered, and related methods ================================
//=============================================================================
void AIUpdateInterface::setSurrendered( const Object *objWeSurrenderedTo, Bool surrendered )
{
	if (surrendered)
	{
		Bool wasSurrendered = isSurrendered();

		const AIUpdateModuleData* d = getAIUpdateModuleData();

		if (m_surrenderedFramesLeft < d->m_surrenderDuration)
			m_surrenderedFramesLeft = d->m_surrenderDuration;
		
		const Player* playerWeSurrenderedTo = objWeSurrenderedTo ? objWeSurrenderedTo->getControllingPlayer() : NULL;
		m_surrenderedPlayerIndex = playerWeSurrenderedTo ? playerWeSurrenderedTo->getPlayerIndex() : -1;

		if (!wasSurrendered)
		{
			//aiIdle(CMD_FROM_AI);
			// srj sez: calling aiIdle() won't work, since we are probably "effectivelyDead"...
			// meaning we won't respong to aiDoCommand! so go straight to the metal here:
			getStateMachine()->clear();
			getStateMachine()->setState( AI_IDLE );
			setLastCommandSource(CMD_FROM_AI);

			// Play our sound surrendered
			AudioEventRTS surrenderSound = *getObject()->getTemplate()->getVoiceSurrender();
			surrenderSound.setObjectID(getObject()->getID());
			TheAudio->addAudioEvent(&surrenderSound);		
		}
	}
	else
	{
		// GS During the act of surrendering, we dipped to 0 and then were manually set to have hit points.  
		// That made us alive but marked as Dead.  Gotta undo that.

		getObject()->setEffectivelyDead( FALSE );

		m_surrenderedFramesLeft = 0;
		m_surrenderedPlayerIndex = -1;
	}

}
#endif

//=============================================================================
void AIUpdateInterface::setGoalPositionClipped(const Coord3D* in, CommandSourceType cmdSource)
{
	if (in)
	{
		Coord3D tmp  = *in;
		if (cmdSource == CMD_FROM_PLAYER)
		{
			Real fudge = TheGlobalData->m_partitionCellSize * 0.5f;
			if (getObject()->isKindOf(KINDOF_AIRCRAFT) && getObject()->isSignificantlyAboveTerrain() && m_curLocomotor != NULL)
			{
				// aircraft must stay further away from the map edges, to prevent getting "lost"
				fudge = max(fudge, m_curLocomotor->getPreferredHeight());
			}
			Region3D mapRegion;
			TheTerrainLogic->getExtent( &mapRegion );
			if (tmp.x < mapRegion.lo.x + fudge)
			{
				tmp.x = mapRegion.lo.x + fudge;
			}
			if (tmp.x > mapRegion.hi.x - fudge)
			{
				tmp.x = mapRegion.hi.x - fudge;
			}
			if (tmp.y < mapRegion.lo.y + fudge)
			{
				tmp.y = mapRegion.lo.y + fudge;
			}
			if (tmp.y > mapRegion.hi.y - fudge)
			{
				tmp.y = mapRegion.hi.y - fudge;
			}
		}
		getStateMachine()->setGoalPosition(&tmp);
	}
	else
	{
		getStateMachine()->setGoalPosition(NULL);
	}
}

/* Called by the pathfinder when it processes the pathfind queue.  Basically, it's our turn
to call use the PathfindServicesInterface to do a pathfind operation.  This shouldn't be called
(and in fact is very hard to do because PathfindServicesInterace is private to the pathfinder)
except by the pathfinder during pathfind queue processing.  jba */
//-------------------------------------------------------------------------------------------------
void AIUpdateInterface::doPathfind( PathfindServicesInterface *pathfinder )
{
	if (!m_waitingForPath) {
		return;
	}
	//CRCDEBUG_LOG(("AIUpdateInterface::doPathfind() for object %d\n", getObject()->getID()));
	m_waitingForPath = FALSE;	 
	if (m_isSafePath) {
		destroyPath();
		Coord3D pos1, pos2;
		pos1.set(-1000,-1000,0);
		Object *repulsor = TheGameLogic->findObjectByID(m_repulsor1);
		if (repulsor) {
			pos1 = *repulsor->getPosition();
		}
		pos2 = pos1;
		repulsor = TheGameLogic->findObjectByID(m_repulsor2);
		if (repulsor) {
			pos2 = *repulsor->getPosition();
		}
		m_path = pathfinder->findSafePath(getObject(), m_locomotorSet, 
			getObject()->getPosition(), 
			&pos1, 	&pos2, 
			getObject()->getVisionRange() + TheAI->getAiData()->m_repulsedDistance);
		return;
	}
	if (m_isApproachPath & !isDoingGroundMovement()) {
		m_isApproachPath = false;
	}
	if (m_isApproachPath) {
		destroyPath();
		m_path = pathfinder->findClosestPath(getObject(), m_locomotorSet, getObject()->getPosition(), 
			&m_requestedDestination, m_isBlockedAndStuck, 0.2f, FALSE );
		if (isDoingGroundMovement() && getPath()) {
			TheAI->pathfinder()->updateGoal(getObject(), getPath()->getLastNode()->getPosition(),
				getPath()->getLastNode()->getLayer());
		}
		return;
	}
	if (m_isAttackPath) {
		Object *victim = NULL;
		if (m_requestedVictimID != INVALID_ID) { 
			victim = TheGameLogic->findObjectByID(m_requestedVictimID);
		}
		if (computeAttackPath(pathfinder, victim, &m_requestedDestination))	{	
			if (getPath()) {
				TheAI->pathfinder()->updateGoal(getObject(), getPath()->getLastNode()->getPosition(),
					getPath()->getLastNode()->getLayer());
			}
			//CRCDEBUG_LOG(("AIUpdateInterface::doPathfind() - m_isAttackPath = TRUE after computeAttackPath\n"));
			m_isAttackPath = TRUE; 
			return;
		}
		//CRCDEBUG_LOG(("AIUpdateInterface::doPathfind() - m_isAttackPath = FALSE after computeAttackPath()\n"));
		m_isAttackPath = FALSE;
		if (victim) {
			m_requestedDestination = *victim->getPosition();
			/* find a pathable destination near the victim.*/
			TheAI->pathfinder()->adjustToPossibleDestination(getObject(), getLocomotorSet(), &m_requestedDestination);
			ignoreObstacle(victim); 
		}
	} 
	computePath(pathfinder, &m_requestedDestination);
	if (m_isFinalGoal && isDoingGroundMovement() && getPath()) {
		TheAI->pathfinder()->updateGoal(getObject(), getPath()->getLastNode()->getPosition(),
			getPath()->getLastNode()->getLayer());
	}
	if (m_queueForPathFrame > TheGameLogic->getFrame()) {
		m_waitingForPath = TRUE;
	}
#ifdef SLEEPY_AI
	// if we're no longer waiting for a path, make sure we wake up right away!
	if (!m_waitingForPath)
	{
		wakeUpNow();
	}
#endif
}

/* Requests a path to be found.  Note that if it is possible to do it without having to use the 
pathfinder (air units just move point to point) it generates the path immediately.  Otherwise the path
will be processed when we get to the front of the pathfind queue. jba */
//-------------------------------------------------------------------------------------------------
void AIUpdateInterface::requestPath( Coord3D *destination, Bool isFinalGoal ) 
{

	if (m_locomotorSet.getValidSurfaces() == 0) {
		DEBUG_CRASH(("Attempting to path immobile unit."));
	}

	//DEBUG_LOG(("Request Frame %d, obj %s %x\n", TheGameLogic->getFrame(), getObject()->getTemplate()->getName().str(), getObject()));
	m_requestedDestination = *destination;
	m_isFinalGoal = isFinalGoal;
	CRCDEBUG_LOG(("AIUpdateInterface::requestPath() - m_isAttackPath = FALSE for object %d\n", getObject()->getID()));
	m_isAttackPath = FALSE;	
	m_requestedVictimID = INVALID_ID;	
	m_isApproachPath = FALSE;
	m_isSafePath = FALSE;
	if (canComputeQuickPath()) {
		computeQuickPath(destination);
		return;
	}
	m_waitingForPath = TRUE;
	if (m_pathTimestamp > TheGameLogic->getFrame()-3) {
		/* Requesting path very quickly.  Can cause a spin. */
		//DEBUG_LOG(("%d Pathfind - repathing in less than 3 frames.  Waiting 1 second\n",
			//TheGameLogic->getFrame()));
		setQueueForPathTime(LOGICFRAMES_PER_SECOND);
		// See if it has been too soon.
		// jba intense debug
		//DEBUG_LOG(("Info - RePathing very quickly %d, %d.\n", m_pathTimestamp, TheGameLogic->getFrame()));
		if (m_path && m_isBlockedAndStuck) {
			setIgnoreCollisionTime(2*LOGICFRAMES_PER_SECOND);
			m_blockedFrames = 0;
			m_isBlocked = FALSE;
			m_isBlockedAndStuck = FALSE;
		}
		return;
	}
	TheAI->pathfinder()->queueForPath(getObject()->getID());

}

//-------------------------------------------------------------------------------------------------
void AIUpdateInterface::requestAttackPath( ObjectID victimID, const Coord3D* victimPos ) 
{
	if (m_locomotorSet.getValidSurfaces() == 0) {
		DEBUG_CRASH(("Attempting to path immobile unit."));
	}
	CRCDEBUG_LOG(("AIUpdateInterface::requestAttackPath() - m_isAttackPath = TRUE for object %d\n", getObject()->getID()));
	m_requestedDestination = *victimPos;
	m_requestedVictimID = victimID;	
	m_isAttackPath = TRUE;
	m_isApproachPath = FALSE;
	m_isSafePath = FALSE;
	m_waitingForPath = TRUE;
	if (m_pathTimestamp > TheGameLogic->getFrame()-3) {
		/* Requesting path very quickly.  Can cause a spin. */
		//DEBUG_LOG(("%d Pathfind - repathing in less than 3 frames.  Waiting 2 second\n",TheGameLogic->getFrame()));
		setQueueForPathTime(2*LOGICFRAMES_PER_SECOND);
		return;
	}
	TheAI->pathfinder()->queueForPath(getObject()->getID());
}

//-------------------------------------------------------------------------------------------------
void AIUpdateInterface::requestApproachPath( Coord3D *destination ) 
{
	if (m_locomotorSet.getValidSurfaces() == 0) {
		DEBUG_CRASH(("Attempting to path immobile unit."));
	}
	m_requestedDestination = *destination;
	m_isFinalGoal = TRUE;
	CRCDEBUG_LOG(("AIUpdateInterface::requestApproachPath() - m_isAttackPath = FALSE for object %d\n", getObject()->getID()));
	m_isAttackPath = FALSE;	
	m_requestedVictimID = INVALID_ID;	
	m_isApproachPath = TRUE;
	m_isSafePath = FALSE;
	m_waitingForPath = TRUE;
	if (m_pathTimestamp > TheGameLogic->getFrame()-3) {
		/* Requesting path very quickly.  Can cause a spin. */
		//DEBUG_LOG(("%d Pathfind - repathing in less than 3 frames.  Waiting 2 second\n",TheGameLogic->getFrame()));
		setQueueForPathTime(2*LOGICFRAMES_PER_SECOND);
		return;
	}
	TheAI->pathfinder()->queueForPath(getObject()->getID());
}

//-------------------------------------------------------------------------------------------------
// Requests a safe path away from the repulsor.
void AIUpdateInterface::requestSafePath( ObjectID repulsor ) 
{
	if (repulsor != m_repulsor1) {
		m_repulsor2 = m_repulsor1; // save the prior repulsor.
	}
	m_repulsor1 = repulsor;	
	m_isFinalGoal = FALSE;
	CRCDEBUG_LOG(("AIUpdateInterface::requestSafePath() - m_isAttackPath = FALSE for object %d\n", getObject()->getID()));
	m_isAttackPath = FALSE;	
	m_requestedVictimID = INVALID_ID;	
	m_isApproachPath = FALSE;
	m_isSafePath = TRUE;
	m_waitingForPath = TRUE;
	if (m_pathTimestamp > TheGameLogic->getFrame()-3) {
		/* Requesting path very quickly.  Can cause a spin. */
		//DEBUG_LOG(("%d Pathfind - repathing in less than 3 frames.  Waiting 2 second\n",TheGameLogic->getFrame()));
		setQueueForPathTime(2*LOGICFRAMES_PER_SECOND);
		return;
	}
	TheAI->pathfinder()->queueForPath(getObject()->getID());
}

enum {WAYPOINT_PATH_LIMIT=1024};
//-------------------------------------------------------------------------------------------------
// 
void AIUpdateInterface::setPathFromWaypoint(const Waypoint *way, const Coord2D *offset) 
{
	destroyPath();
	m_path = newInstance(Path);
	Coord3D pos = *getObject()->getPosition();
	m_path->prependNode( &pos, LAYER_GROUND );
	m_path->markOptimized();
	int count = 0;
	while (way) {
		Coord3D wayPos = *way->getLocation();
		wayPos.x += offset->x;
		wayPos.y += offset->y;
		if (way->getLink(0) == NULL) {
			TheAI->pathfinder()->snapPosition(getObject(), &wayPos);
		}
		m_path->appendNode( &wayPos, LAYER_GROUND );
		way = way->getLink(0);
		count++;
		if (count>WAYPOINT_PATH_LIMIT) break;
	}
	m_waitingForPath = FALSE;	 
	TheAI->pathfinder()->setDebugPath(m_path);
#ifdef SLEEPY_AI
	// if we're no longer waiting for a path, make sure we wake up right away!
	wakeUpNow();
#endif
}

//-------------------------------------------------------------------------------------------------
void AIUpdateInterface::onObjectCreated()
{
	// create the behavior state machine.
	// can't do this in the ctor because makeStateMachine is a protected virtual func,
	// and overrides to virtual funcs don't exist in our ctor. (look it up.)
	if (m_stateMachine == NULL)
	{
		m_stateMachine = makeStateMachine();
		m_stateMachine->initDefaultState();
	}
}

//-------------------------------------------------------------------------------------------------
AIUpdateInterface::~AIUpdateInterface( void )
{
	m_locomotorSet.clear();
	m_curLocomotor = NULL;

	if( m_stateMachine ) {
		m_stateMachine->halt();
		m_stateMachine->deleteInstance();
	}

	for (int i = 0; i < MAX_TURRETS; i++)
	{
		if (m_turretAI[i])
			m_turretAI[i]->deleteInstance();
		m_turretAI[i] = NULL;
	}
	m_stateMachine = NULL;

	// destroy the current path. (destroyPath is NULL savvy)
	destroyPath();

}

//=============================================================================
void AIUpdateInterface::setTurretTargetObject(WhichTurretType tur, Object* o, Bool forceAttacking)
{
	if (m_turretAI[tur])
	{
		m_turretAI[tur]->setTurretTargetObject(o, forceAttacking);
	}
}

//=============================================================================
Object* AIUpdateInterface::getTurretTargetObject( WhichTurretType tur )
{
	if( m_turretAI[ tur ] )
	{
		Object *obj;
		Coord3D pos;
		if( m_turretAI[ tur ]->friend_getTurretTarget( obj, pos ) == TARGET_OBJECT )
		{
			return obj;
		}
	}
	return NULL;
}

//=============================================================================
void AIUpdateInterface::setTurretTargetPosition(WhichTurretType tur, const Coord3D* pos)
{
	if (m_turretAI[tur])
	{
		m_turretAI[tur]->setTurretTargetPosition(pos);
	}
}

//=============================================================================
void AIUpdateInterface::setTurretEnabled(WhichTurretType tur, Bool enabled)
{
	if (m_turretAI[tur])
	{
		m_turretAI[tur]->setTurretEnabled( enabled );
	}
}

//=============================================================================
void AIUpdateInterface::recenterTurret(WhichTurretType tur)
{
	if (m_turretAI[tur])
	{
		m_turretAI[tur]->recenterTurret();
	}
}

//=============================================================================
Bool AIUpdateInterface::isTurretEnabled( WhichTurretType tur ) const
{
	if( m_turretAI[ tur ] )
	{
		return m_turretAI[ tur ]->isTurretEnabled();
	}
	return FALSE;
}

//=============================================================================
Bool AIUpdateInterface::isTurretInNaturalPosition(WhichTurretType tur) const
{
	if (m_turretAI[tur])
	{
		return m_turretAI[tur]->isTurretInNaturalPosition();
	}
	return FALSE;
}

//=============================================================================
Bool AIUpdateInterface::isWeaponSlotOnTurretAndAimingAtTarget(WeaponSlotType wslot, const Object* victim) const
{
	for (int i = 0; i < MAX_TURRETS; i++)
	{
		if (m_turretAI[i] && m_turretAI[i]->isWeaponSlotOnTurret(wslot))
		{
			return m_turretAI[i]->isTryingToAimAtTarget(victim);
		}
	}
	return FALSE;
}

//=============================================================================
Bool AIUpdateInterface::getTurretRotAndPitch(WhichTurretType tur, Real* turretAngle, Real* turretPitch) const
{
	if (m_turretAI[tur])
	{
		if (turretAngle)
			*turretAngle = m_turretAI[tur]->getTurretAngle();
		if (turretPitch)
			*turretPitch = m_turretAI[tur]->getTurretPitch();
		return TRUE;
	}
	return FALSE;
}

//=============================================================================
Real AIUpdateInterface::getTurretTurnRate(WhichTurretType tur) const
{
	return (tur != TURRET_INVALID && m_turretAI[tur] != NULL) ?
					m_turretAI[tur]->getTurnRate() :
					0.0f;
}

//=============================================================================
WhichTurretType AIUpdateInterface::getWhichTurretForCurWeapon() const
{
	for (int i = 0; i < MAX_TURRETS; ++i)
		if (m_turretAI[i] && m_turretAI[i]->isOwnersCurWeaponOnTurret())
			return (WhichTurretType)i;

	return TURRET_INVALID;
}

//=============================================================================
WhichTurretType AIUpdateInterface::getWhichTurretForWeaponSlot(WeaponSlotType wslot, Real* turretAngle, Real* turretPitch) const
{
	for (int i = 0; i < MAX_TURRETS; ++i)
	{
		if (m_turretAI[i] && m_turretAI[i]->isWeaponSlotOnTurret(wslot))
		{
			if (turretAngle)
				*turretAngle = m_turretAI[i]->getTurretAngle();
			if (turretPitch)
				*turretPitch = m_turretAI[i]->getTurretPitch();

			return (WhichTurretType)i;
		}
	}
	return TURRET_INVALID;
}

//=============================================================================
Real AIUpdateInterface::getCurLocomotorSpeed() const
{
	if (m_curLocomotor != NULL)
		return m_curLocomotor->getMaxSpeedForCondition(getObject()->getBodyModule()->getDamageState());

	DEBUG_LOG(("no current locomotor!"));
	return 0.0f;
}

//=============================================================================
void AIUpdateInterface::setLocomotorUpgrade(Bool set)
{
	m_upgradedLocomotors = set;
	if (m_curLocomotorSet == LOCOMOTORSET_NORMAL || m_curLocomotorSet == LOCOMOTORSET_NORMAL_UPGRADED)
		chooseLocomotorSet(LOCOMOTORSET_NORMAL);
}

//=============================================================================
Bool AIUpdateInterface::chooseLocomotorSet(LocomotorSetType wst)
{
	DEBUG_ASSERTCRASH(wst != LOCOMOTORSET_NORMAL_UPGRADED, ("never pass LOCOMOTORSET_NORMAL_UPGRADED here"));
	if (wst == LOCOMOTORSET_NORMAL && m_upgradedLocomotors)
		wst = LOCOMOTORSET_NORMAL_UPGRADED;

	if (wst == m_curLocomotorSet)
		return TRUE;

	if (chooseLocomotorSetExplicit(wst))
	{
		chooseGoodLocomotorFromCurrentSet();
		return TRUE;
	}

	return FALSE;
}

//=============================================================================
// this should only be called by load/save, or by chooseLocomotorSet.
// it does no sanity checking; it just jams it in.
Bool AIUpdateInterface::chooseLocomotorSetExplicit(LocomotorSetType wst)
{
	const LocomotorTemplateVector* set = getAIUpdateModuleData()->findLocomotorTemplateVector(wst);
	if (set)
	{
		m_locomotorSet.clear();
		m_curLocomotor = NULL;
		for (Int i = 0; i < set->size(); ++i)
		{
			const LocomotorTemplate* lt = set->at(i);
			if (lt)
				m_locomotorSet.addLocomotor(lt);
		}
		m_curLocomotorSet = wst;
		return TRUE;
	}
	return FALSE;
}

//-------------------------------------------------------------------------------------------------
void AIUpdateInterface::chooseGoodLocomotorFromCurrentSet( void )
{
	Locomotor* prevLoco = m_curLocomotor;

	Locomotor* newLoco = TheAI->pathfinder()->chooseBestLocomotorForPosition(getObject()->getLayer(), &m_locomotorSet, getObject()->getPosition());

	if (newLoco == NULL)
	{
		if (prevLoco != NULL)
		{
		/* due to physics, we might slight into a cell for which we have no loco
			(eg, cliff) and get stuck. this is bad. as a solution, we do this.
			this may look a little funny, but as a practical matter, it works well, 
			since the pathfinder will prevent us from doing any significant "wrong" terrain. */
			newLoco = prevLoco;
		}
		else
		{
			/* this can happen for a newly-created object, which might come into being in 
				the middle of an obstacle. for now, we just fake it and choose a ground locomotor. */
			newLoco = m_locomotorSet.findLocomotor(LOCOMOTORSURFACE_GROUND);
		}
	}

	m_curLocomotor = newLoco;

	if (prevLoco != m_curLocomotor)
	{
		// make sure the group's speed will be recalculated
		if (getGroup())
			getGroup()->recomputeGroupSpeed();

		// turn off precision-z-pos anytime the loco changes, just in case,
		// since it should only be enabled in very special cases
		m_curLocomotor->setUsePreciseZPos(FALSE);
		// ditto for no-slow-down.
		m_curLocomotor->setNoSlowDownAsApproachingDest(FALSE);
		// ditto for ultra-accuracy.
		m_curLocomotor->setUltraAccurate(FALSE);
	}
}

//----------------------------------------------------------------------------------------------------------
Object* AIUpdateInterface::checkForCrateToPickup()
{
	if (m_crateCreated != INVALID_ID) 
	{
		m_crateCreated = INVALID_ID; // we have processed it, so clear it.
		Object* crate = TheGameLogic->findObjectByID(m_crateCreated);
		if (crate) 
		{
			for (BehaviorModule** m = crate->getBehaviorModules(); *m; ++m)
			{
				CollideModuleInterface* collide = (*m)->getCollide();
				if (!collide)
					continue;

				if( collide->wouldLikeToCollideWith(getObject()))
				{
					return crate;
				}
			}
		}
	}
	return NULL;
}

#ifdef ALLOW_SURRENDER
//-------------------------------------------------------------------------------------------------
void AIUpdateInterface::doSurrenderUpdateStuff()
{
	RELEASE_CRASH(("Read the comment in doSurrenderUpdateStuff"));

	/*
		If you ever re-enable this code, you must convert it to be 
		properly sleepy. It is crucial that we avoid requiring a call
		to AIUpdate every frame just to support this. (srj)
	*/

	UnsignedInt prevSurrenderedFrames = m_surrenderedFramesLeft;

	if (m_surrenderedFramesLeft > 0)
		--m_surrenderedFramesLeft;

	if (m_surrenderedFramesLeft > 0)
		getObject()->setModelConditionState( MODELCONDITION_SURRENDER );
	else
		getObject()->clearModelConditionState( MODELCONDITION_SURRENDER );

	//
	// when we leave a surrendered state we give ourselves an idle command ... why you ask? Well
	// during the surrender sequence we might have started moving towards a POW truck come
	// to pick us up, but now we should stop and be all normal again
	//
	if( prevSurrenderedFrames > 0 && m_surrenderedFramesLeft == 0 )
	{
		m_surrenderedPlayerIndex = -1;
		aiIdle( CMD_FROM_AI );
	}
}
#endif

//-------------------------------------------------------------------------------------------------
void AIUpdateInterface::setQueueForPathTime(Int frames)
{
#ifdef SLEEPY_AI
	if (frames >= UPDATE_SLEEP_NONE && getWakeFrame() > UPDATE_SLEEP(frames))
	{
		if (m_isInUpdate)
		{
			// we're changing this while in our own update (probably via a move state).
			// just do nothing, since update will calculate the correct sleep behavior at the end.
		}
		else
		{
			setWakeFrame(getObject(), UPDATE_SLEEP(frames));
		}
	}
#endif
	m_queueForPathFrame = frames ? (TheGameLogic->getFrame() + frames) : 0;
}

//-------------------------------------------------------------------------------------------------
void AIUpdateInterface::wakeUpNow()
{
#ifdef SLEEPY_AI
	if (getWakeFrame() > UPDATE_SLEEP_NONE)
	{
		if (m_isInUpdate)
		{
			// we're changing this while in our own update (probably via a move state).
			// just do nothing, since update will calculate the correct sleep behavior at the end.
		}
		else
		{
			setWakeFrame(getObject(), UPDATE_SLEEP_NONE);
		}
	}
#endif
}

//-------------------------------------------------------------------------------------------------
void AIUpdateInterface::friend_notifyStateMachineChanged()
{
	wakeUpNow();
}

//-------------------------------------------------------------------------------------------------
/**
 * The "main loop" of the AI subsystem
 */
DECLARE_PERF_TIMER(AIUpdateInterface_update)
UpdateSleepTime AIUpdateInterface::update( void )	 
{
	//DEBUG_LOG(("AIUpdateInterface frame %d: %08lx\n",TheGameLogic->getFrame(),getObject()));

	USE_PERF_TIMER(AIUpdateInterface_update)
	
	m_isInUpdate = TRUE;

	m_completedWaypoint = NULL; // Reset so state machine update can set it if we just completed the path.

	// assume we can sleep forever, unless the state machine (or turret, etc) demand otherwise
	UpdateSleepTime subMachineSleep = UPDATE_SLEEP_FOREVER;

	StateReturnType stRet = getStateMachine()->updateStateMachine();

	if (IS_STATE_SLEEP(stRet))
	{
		Int frames = GET_STATE_SLEEP_FRAMES(stRet);
		if (frames < subMachineSleep)
			subMachineSleep = UPDATE_SLEEP(frames);
	}
	else
	{
		// it's STATE_CONTINUE, STATE_SUCCESS, or STATE_FAILURE, 
		// any of which will probably require next frame
		subMachineSleep = UPDATE_SLEEP_NONE;
	}

	// note that this is all OK with sleepiness, since m_movementComplete can
	// only be set via our statemachine (via friend_startingMove or friend_endMove),
	// which we just called. thus we should
	// never have worry about waking ourselves up when this changes, since
	// if it changes the code will always flow thru here anyway. (srj)
	if (m_movementComplete) 
	{
		setQueueForPathTime(0);

		// destroy path
		destroyPath();
		setLocomotorGoalNone();

		getObject()->clearModelConditionState(MODELCONDITION_MOVING);

		Coord3D goalPos;
		if (TheAI->pathfinder()->goalPosition(getObject(), &goalPos)) 
		{
			// Pop to goal - This shouldn't happen (often), but make sure we got to where we're going.
			Real dx = goalPos.x-getObject()->getPosition()->x;
			Real dy = goalPos.y-getObject()->getPosition()->y;
			if (dx*dx+dy*dy>=PATHFIND_CELL_SIZE_F*PATHFIND_CELL_SIZE_F) 
			{
				// Too far, so just grid current pos.
				goalPos = *getObject()->getPosition();
				TheAI->pathfinder()->snapPosition(getObject(), &goalPos);
			}
			setFinalPosition(&goalPos);
			TheAI->pathfinder()->updateGoal(getObject(), &goalPos, getObject()->getLayer());
		}
		m_movementComplete = FALSE;
		ignoreObstacle(NULL);
	}

	UnsignedInt now = TheGameLogic->getFrame();
	if (m_queueForPathFrame != 0)
	{
		if (now >= m_queueForPathFrame) 
		{
			TheAI->pathfinder()->queueForPath(getObject()->getID());
			setQueueForPathTime(0);
		}
		else
		{
			UnsignedInt sleepForPathDelta = m_queueForPathFrame - now;
			if (sleepForPathDelta < subMachineSleep)
				subMachineSleep = UPDATE_SLEEP(sleepForPathDelta);
		}
	}

	Object *obj = getObject();

	if (! obj->isEffectivelyDead() &&
			! obj->isDisabledByType( DISABLED_PARALYZED ) &&
			! obj->isDisabledByType( DISABLED_UNMANNED ) &&
			! obj->isDisabledByType( DISABLED_EMP ) &&
			! obj->isDisabledByType( DISABLED_HACKED ) )
	{
		// If we are dead, don't let the turrets do anything anymore, or else they will keep attacking
		for (int i = 0; i < MAX_TURRETS; ++i) 
		{
			if (m_turretAI[i]) 
			{
				UpdateSleepTime tmp = m_turretAI[i]->updateTurretAI();
				if (tmp < subMachineSleep)
					subMachineSleep = tmp;
			}
		}
	}

	// must do death check outside of the state machine update, to avoid corruption
	if (isAiInDeadState() && !(getStateMachine()->getCurrentStateID() == AI_DEAD) )
	{
		/// @todo Yikes! If we are not interruptable, and we die, what do we do? (MSB)
		getStateMachine()->clear();
		getStateMachine()->setState( AI_DEAD );
		getStateMachine()->lock("AIUpdateInterface::update");
		// strangely, dead things need to NOT sleep at all. (but they don't stay dead for long,
		// so this is not too bad.)
		subMachineSleep = UPDATE_SLEEP_NONE;
	}

	// do this objects movement
	UpdateSleepTime tmp = doLocomotor();
	if (tmp < subMachineSleep)
		subMachineSleep = tmp;

#ifdef ALLOW_DEMORALIZE
	RELEASE_CRASH(("If ALLOW_DEMORALIZE is ever defined, this code must be redone to do proper SLEEPY updates. (srj)"));
	// update the demoralized frames if present
	if( m_demoralizedFramesLeft > 0 )
	{
		setDemoralized( m_demoralizedFramesLeft - 1 );
	}
#endif

#ifdef ALLOW_SURRENDER
	RELEASE_CRASH(("If ALLOW_SURRENDER is ever defined, this code must be redone to do proper SLEEPY updates. (srj)"));
	doSurrenderUpdateStuff();
#endif

	m_isInUpdate = FALSE;

	if (m_completedWaypoint != NULL)
	{
		// sleep NONE here so that it will get reset next frame.
		// this happen infrequently, so it shouldn't be an issue.
		return UPDATE_SLEEP_NONE;
	}
	else
	{
#ifdef SLEEPY_AI
		return subMachineSleep;
#else
		return UPDATE_SLEEP_NONE;
#endif
	}
} 



//-------------------------------------------------------------------------------------------------
/**
 * Append waypoint to queue for later movement
 */
Bool AIUpdateInterface::queueWaypoint( const Coord3D *pos )
{
	if (m_waypointCount < MAX_WAYPOINTS)
	{
		m_waypointQueue[ m_waypointCount++ ] = *pos;
		return TRUE;
	}
	return FALSE;
}

//-------------------------------------------------------------------------------------------------
/**
 * Start moving along the waypoint path in the queue
 */
void AIUpdateInterface::executeWaypointQueue( void )
{
	// the dead don't listen very well
	if (isAiInDeadState())
		return;

//	m_actionStack->clear();

	if (m_waypointCount > 0)
	{
		m_waypointIndex = 0;
		m_executingWaypointQueue = TRUE;
	}
}

//-------------------------------------------------------------------------------------------------
void AIUpdateInterface::clearWaypointQueue( void )
{
	m_waypointCount = 0;
	m_executingWaypointQueue = FALSE;
}

//-------------------------------------------------------------------------------------------------
void AIUpdateInterface::markAsDead()
{
	m_isAiDead = TRUE;
	getObject()->setEffectivelyDead(TRUE);
	wakeUpNow();	// wake us up immediately so that our anim plays promptly!
}

//-------------------------------------------------------------------------------------------------
/* Returns TRUE if this ai has a higher path priority than the other one.
The way to have a higher priority is:
1. If the paths were assigned when both units were in the same ai group, we use the path priority assigned.
2. If not, the unit that is in front has the higher priority.
3. If exactly tied (usually beacause both units got unfortunately snapped to the same location), ObjectID is used
to break the tie. 
*/
Bool AIUpdateInterface::hasHigherPathPriority(AIUpdateInterface *otherAI) const
{
	Object *other = otherAI->getObject();

	// Vehicles always have higher priority than infantry.
	if (getObject()->isKindOf(KINDOF_VEHICLE) && other->isKindOf(KINDOF_INFANTRY)) {
		return TRUE;
	}
	// Vehicles always have higher priority than infantry.
	if (getObject()->isKindOf(KINDOF_INFANTRY) && other->isKindOf(KINDOF_VEHICLE)) {
		return FALSE;
	}

	// The paths aren't of the same group, so see which unit is in front.
	Coord3D ourDir = *getObject()->getUnitDirectionVector2D();
	Coord3D otherDir = *other->getUnitDirectionVector2D();
	if (ourDir.x*otherDir.x + ourDir.y*otherDir.y <= 0) {
		return getObject()->getID() < other->getID();
	}
	Coord2D	combinedDir; 
	combinedDir.x = ourDir.x + otherDir.x;
	combinedDir.y = ourDir.y + otherDir.y;
	Coord2D vectorToOther;
	vectorToOther.x = other->getPosition()->x - getObject()->getPosition()->x;
	vectorToOther.y = other->getPosition()->y - getObject()->getPosition()->y;
	// Dot product is our directions projected onto each other.
	Real dotProduct = combinedDir.x*vectorToOther.x	+ combinedDir.y*vectorToOther.y;
	if (dotProduct>0) return FALSE;  // other is ahead of us along our directional vector.
	if (dotProduct<0) return TRUE; // We are ahead of other.
	// Exactly equal.  Use object id's to break the tie.  
	return getObject()->getID() < other->getID();
}

//-------------------------------------------------------------------------------------------------
/* Returns max speed we can have and not run into unit that is blocking us.
*/
Real AIUpdateInterface::calculateMaxBlockedSpeed(Object *other) const
{
	Coord3D ourDir = *getObject()->getUnitDirectionVector2D();
	Coord3D otherDir = *other->getUnitDirectionVector2D();
	// Dot product is our directions projected onto each other.
	Coord2D vectorToOther;
	vectorToOther.x = other->getPosition()->x - getObject()->getPosition()->x;
	vectorToOther.y = other->getPosition()->y - getObject()->getPosition()->y;
	vectorToOther.normalize();
	Real dotProduct = vectorToOther.x*otherDir.x	+ vectorToOther.y*otherDir.y;
	if (dotProduct<0) return 0; // They are running into us.

	Real speedFactor = dotProduct;
	PhysicsBehavior *otherPhysics = other->getPhysics();
	if (!otherPhysics) {
		return m_curMaxBlockedSpeed;
	}	
	Coord3D otherVel = *otherPhysics->getVelocity();
	otherVel.z = 0;
	// Calculate how fast other is moving away from us...
	Real awaySpeed = otherVel.length() * speedFactor;				 

	// Now calculate the amount we are moving relative to towards them...
	dotProduct = vectorToOther.x*ourDir.x	+ vectorToOther.y*ourDir.y;
	if (dotProduct<=0) {
		// Unexpected - we are moving away.  Shouldn't be blocked...
		return m_curMaxBlockedSpeed;
	}
	Real maxSpeed = awaySpeed / dotProduct;
	if (other->getFormationID()!=NO_FORMATION_ID && getObject()->getFormationID()==other->getFormationID()) {
		maxSpeed *= 0.55f; // don't let formations crowd each other.
	}
	if (maxSpeed>m_curMaxBlockedSpeed) return m_curMaxBlockedSpeed;
	return maxSpeed;
}


//-------------------------------------------------------------------------------------------------
Bool AIUpdateInterface::blockedBy(Object *other)
/* Returns TRUE if we are blocked from moving by the other object.*/
{
	Coord3D goalPos = *getStateMachine()->getGoalPosition();
	Object *obj = getObject();
	Coord3D pos = *obj->getPosition();
	ICoord2D goalCell = *getPathfindGoalCell();

	// If we are near our final goal, don't get stuck.
	if (goalCell.x>0 && goalCell.y>0) {
		Real dx = fabs(goalPos.x-pos.x);
		Real dy = fabs(goalPos.y-pos.y);
		if (dx<PATHFIND_CELL_SIZE_F && dy<PATHFIND_CELL_SIZE_F) {
			return FALSE; // If we're approaching our goal, ignore obstacles.
		}
	}

	Bool canCrush = obj->canCrushOrSquish(other, TEST_CRUSH_OR_SQUISH);
	if (canCrush) return FALSE; // just run over them.

	AIUpdateInterface* aiOther = other->getAI();

	if (!aiOther->isDoingGroundMovement()) {
		return FALSE; // Can't be blocked if the other is airborne.
	}
	if (!aiOther) return FALSE; // Ignore it.

	if (getCurLocomotor() && getCurLocomotor()->isMovingBackwards()) {
		return false; // don't collide.
	}
	Bool otherMoving = ( aiOther->m_locomotorGoalType != NONE );
	Coord3D otherPos = *other->getPosition();
	Real dx = pos.x-otherPos.x;
	Real dy = pos.y-otherPos.y;
	Real curDSqr = dx*dx+dy*dy;

	if (obj->isKindOf(KINDOF_INFANTRY) && other->isKindOf(KINDOF_INFANTRY)) {
		// Infantry doesn't tend to impede other infantry...
#ifdef INFANTRY_MOVES_THROUGH_INFANTRY
		if (!otherMoving) {
			return FALSE;  // Infantry can run through other infantry.
		}
		return FALSE; 
#else
		// If we are crossing, just pass through.
		Coord3D ourDir = *obj->getUnitDirectionVector2D();
		Coord3D theirDir = *other->getUnitDirectionVector2D();
		// Dot product is our directions projected onto each other.
		Real dotProduct = ourDir.x*theirDir.x	+ ourDir.y*theirDir.y;
		if (dotProduct<=0.25) return FALSE;  // we are not moving in the same direction.
#endif
	}

	if (curDSqr < PATHFIND_CELL_SIZE_F*PATHFIND_CELL_SIZE_F*0.0001f) {
		// Somehow 2 units ended up on the same grid.
		// Lowest path priority wins.
		return (hasHigherPathPriority(aiOther));
	}

	// we've been blocked for a while.  If we're crossing, just move through.
	Coord3D ourDir = *obj->getUnitDirectionVector2D();
	Coord3D theirDir = *other->getUnitDirectionVector2D();
	// Dot product is our directions projected onto each other.
	Real dotProduct = ourDir.x*theirDir.x	+ ourDir.y*theirDir.y;
	if (getNumFramesBlocked()>LOGICFRAMES_PER_SECOND) {
		if (dotProduct<=0.0f) return FALSE;  // we are not moving in the same direction.
	}

	Real collisionAngle = ThePartitionManager->getRelativeAngle2D( obj, &otherPos );
	Real otherAngle = ThePartitionManager->getRelativeAngle2D( other, &pos );
	//DEBUG_LOG(("Collision angle %.2f, %.2f, %s, %x %s\n", collisionAngle*180/PI, otherAngle*180/PI, obj->getTemplate()->getName().str(), obj, other->getTemplate()->getName().str()));
	Real angleLimit = PI/4; // 45 degrees.
	if (collisionAngle>PI/2 || collisionAngle<-PI/2) {
		return FALSE; // we're moving away.
	}
	if (!otherMoving) angleLimit *= 0.75f;
	if (collisionAngle>angleLimit || collisionAngle<-angleLimit) {
		if (dotProduct<=0.0f) return FALSE;  // we are not moving in the same direction.
		if (otherMoving && (otherAngle>angleLimit || otherAngle<-angleLimit) ) {
			// See if we're running into each other.
			Coord3D ourDir = *obj->getUnitDirectionVector2D();
			Coord3D theirDir = *other->getUnitDirectionVector2D();
			dx += ourDir.x - theirDir.x;
			dy += ourDir.y - theirDir.y;
			if (curDSqr>dx*dx+dy*dy) {
				if (hasHigherPathPriority(aiOther)) {
					// Lowest path priority wins.
					return FALSE;
				}
			}	else {
				//DEBUG_LOG(("Moving Away From EachOther\n"));
				return FALSE;  // moving away, so no need for corrective action.
			}
		} else {
			return FALSE;	 // Off angle, and they're not moving, so we aren't moving into each other.
		}
	}


	if (!aiOther->isAiInDeadState())	
	{
		return TRUE;
	}

	return FALSE;
}

//-------------------------------------------------------------------------------------------------
Bool AIUpdateInterface::needToRotate(void)
/* Returns TRUE if we need to rotate to point in our path's direcion.*/
{
	if (isWaitingForPath()) 
		return TRUE; // new path will probably require rotation.

	if (this->getCurLocomotor() && this->getCurLocomotor()->getWanderWidthFactor()>0.0f) 
		return FALSE; // wanderers don't need to rotate.

	Real deltaAngle = 0;
	if (getPath())
	{
		ClosestPointOnPathInfo info;
		CRCDEBUG_LOG(("AIUpdateInterface::needToRotate() - calling computePointOnPath() for object %d\n", getObject()->getID()));
		getPath()->computePointOnPath(getObject(), m_locomotorSet, *getObject()->getPosition(), info);
		deltaAngle = ThePartitionManager->getRelativeAngle2D( getObject(), &info.posOnPath );
	}	

	if (fabs(deltaAngle)>PI/30) 
	{
		return TRUE;
	}

	return FALSE;
}


//-------------------------------------------------------------------------------------------------
/* Returns TRUE if the physics collide should apply the force.  Normally not.  
Also determines whether objects are blocked, and if so, if they are stuck.  jba.*/
Bool AIUpdateInterface::processCollision(PhysicsBehavior *physics, Object *other)
{

#ifdef DO_UNIT_TIMINGS
	return false;
#endif

	if (m_ignoreCollisionsUntil > TheGameLogic->getFrame()) 
		return FALSE;

	if (m_canPathThroughUnits) 
		return FALSE;

	AIUpdateInterface* aiOther = other->getAI();
	if (aiOther == NULL) 
		return FALSE;

	Bool selfMoving = isMoving();
	Bool otherMoving = ( aiOther && aiOther->isMoving() );
	if (!isDoingGroundMovement()) return FALSE;
	if (!aiOther->isDoingGroundMovement()) return FALSE;
	if (selfMoving) 
	{
		Bool blocked = blockedBy(other);
		if (blocked) 
		{
			if (getObject()->isKindOf(KINDOF_INFANTRY)) 
			{
				// Panic bounces around.
				if (getStateMachine()->getCurrentStateID() == AI_PANIC) 
				{
					return TRUE; // just bounce off of other humans.
				}
			}
			m_isBlocked = TRUE; // we are blocked.
 			if (otherMoving && aiOther->isWaitingForPath()) 
			{
				return FALSE; // let them get their path;
			}

			Real maxSpeed = calculateMaxBlockedSpeed(other);
			if (maxSpeed < m_curMaxBlockedSpeed) 
			{
				m_curMaxBlockedSpeed = maxSpeed;
			}

			if (!aiOther->isMovingAwayFrom(getObject())) {

				if (other->isKindOf(KINDOF_INFANTRY) && !getObject()->isKindOf(KINDOF_INFANTRY)) {
					aiOther->aiMoveAwayFromUnit(getObject(), CMD_FROM_AI);
					return FALSE;
				}
#define dont_MOVE_AROUND // It just causes more problems than it fixes. jba.
#ifdef MOVE_AROUND 
				if (m_curLocomotor!=NULL && (other->isKindOf(KINDOF_INFANTRY)==getObject()->isKindOf(KINDOF_INFANTRY))) {
					Real myMaxSpeed = m_curLocomotor->getMaxSpeedForCondition(getObject()->getBodyModule()->getDamageState());
					Locomotor *hisLoco = aiOther->getCurLocomotor();
					if (hisLoco) {
						Real hisMaxSpeed = hisLoco->getMaxSpeedForCondition(other->getBodyModule()->getDamageState());
						if (hisMaxSpeed > 0.05 && hisMaxSpeed < 0.6f*myMaxSpeed)	{
							aiOther->aiMoveAwayFromUnit(getObject(), CMD_FROM_AI);
							return FALSE;
						}
					}
				}
#endif
			}

			//DEBUG_LOG(("Blocked %s, %x, %s\n", getObject()->getTemplate()->getName().str(), getObject(), other->getTemplate()->getName().str()));
			if (m_blockedFrames==0) m_blockedFrames = 1;
			if (!needToRotate()) 
			{
				// If we are already pointing in the right direction, we may be stuck.
				if (!otherMoving) 
				{
					// Intense logging jba
					// DEBUG_LOG(("Blocked&Stuck !otherMoving\n"));
					m_isBlockedAndStuck = TRUE;
					return FALSE;
				}

				// See if other is blocked by us.
				if (aiOther->blockedBy(getObject())) 
				{
					if (!aiOther->needToRotate()) 
					{
						// Deadlocked.
						if (!hasHigherPathPriority(aiOther)) 
						{
							// get out of his way.
							aiMoveAwayFromUnit(aiOther->getObject(), CMD_FROM_AI);
							//m_isBlockedAndStuck = TRUE;
							// Intense logging jba.
							// DEBUG_LOG(("Blocked&Stuck other is blockedByUs, has higher priority\n"));
						}
					}
				}	
				else 
				{
					// Just wait.
				}
			}	
			else 
			{
				// We are rotating, so don't accumulate blocked frames.
				m_blockedFrames = 1;
			}
		}
	}	
	else 
	{
		if (isAiInDeadState()) 
		{
			// Dead infantry get pushed around by crushers.
			if (getObject()->isKindOf(KINDOF_INFANTRY) && other->canCrushOrSquish(getObject(), TEST_SQUISH_ONLY)) 
			{
				return TRUE;
			}
		}

		Coord3D otherPos = *other->getPosition();
		Real dx = getObject()->getPosition()->x - otherPos.x;
		Real dy = getObject()->getPosition()->y - otherPos.y;
		Real curDSqr = dx*dx+dy*dy;
		if (!otherMoving && curDSqr < PATHFIND_CELL_SIZE_F*PATHFIND_CELL_SIZE_F*0.25f) 
		{	
			if (this->getCurrentStateID() == AI_BUSY) {
				return false;
			}
			if (getObject()->testStatus(OBJECT_STATUS_IS_USING_ABILITY)) {
				return false;  // we are doing a special ability.  Shouldn't move at this time.  jba.
			}
			// jba intense debug
			//DEBUG_LOG(("*****Units ended up on top of each other.  Shouldn't happen.\n"));
			if (isIdle()) {
				Coord3D safePosition = *getObject()->getPosition();
				
				TheAI->pathfinder()->adjustToPossibleDestination(getObject(), getLocomotorSet(), &safePosition);
				aiMoveToPosition( &safePosition, CMD_FROM_AI ); 
			}
			if (aiOther->isIdle()) {
				TheAI->pathfinder()->adjustToPossibleDestination(other, aiOther->getLocomotorSet(), 
					&otherPos);
				aiOther->aiMoveToPosition( &otherPos, CMD_FROM_AI);
			}
		}
	}
	return FALSE;
}

//-------------------------------------------------------------------------------------------------
/**
 * See if we can do a quick path without pathfinding.
 */
Bool AIUpdateInterface::canComputeQuickPath( void )
{
	/* Basically, if a unit is moving through the air, we can quick path.  jba. */
	Bool landBound = FALSE;
	// Note - if a truck happens to pop into the air and gets a move to command, it still
	// needs to pathfind.  So only skip pathfinding for airborne things that can fly... jba.
	if (!(m_locomotorSet.getValidSurfaces() & LOCOMOTORSURFACE_AIR))
  {
		landBound = TRUE;
	}

	Bool unitIsFlyingThroughTheAir = FALSE;
	if (landBound) {
		unitIsFlyingThroughTheAir = FALSE; // Land bound units never fly.
	}	else {
		if (!isDoingGroundMovement()) {
			// If it can fly, and it isn't moving on the ground, we're flying.
			unitIsFlyingThroughTheAir = TRUE;
		}
	}
	return unitIsFlyingThroughTheAir;
}

//-------------------------------------------------------------------------------------------------
/**
 * Create a quick path.  (Just places the start & end point as the path). jba.
 */
Bool AIUpdateInterface::computeQuickPath( const Coord3D *destination )
{
	// for now, quick path objects don't pathfind, generally airborne units
	// build a trivial one-node path containing destination

	
	// First, see if our path already goes to the destination.
	if (m_path) {
		PathNode *closeNode = NULL;
		closeNode = m_path->getLastNode();
		if (closeNode && closeNode->getNextOptimized()==NULL) {
			Real dxSqr = destination->x - closeNode->getPosition()->x;
			dxSqr *= dxSqr;
			Real dySqr = destination->y - closeNode->getPosition()->y;
			dySqr *= dySqr;
			Real dzSqr = destination->z - closeNode->getPosition()->z;
			dzSqr *= dzSqr;
			if (dxSqr+dySqr+dzSqr<0.25f) {
				return TRUE;
			}
		}
	}
	// destroy previous path
	destroyPath();
	if (getObject()->isKindOf(KINDOF_AIRCRAFT) && !getObject()->isKindOf(KINDOF_PROJECTILE)) {	
		m_path = TheAI->pathfinder()->getAircraftPath(getObject(), destination);
	} else {
		m_path = newInstance(Path);
		m_path->prependNode( destination, LAYER_GROUND );
		Coord3D pos = *getObject()->getPosition();
		pos.z = destination->z;
		m_path->prependNode( &pos, getObject()->getLayer() );
		m_path->getFirstNode()->setNextOptimized(m_path->getFirstNode()->getNext());

		if (TheGlobalData->m_debugAI==AI_DEBUG_PATHS) 
		{
			TheAI->pathfinder()->setDebugPath(m_path);
		}
	}


	// timestamp when the path was created
	m_pathTimestamp = TheGameLogic->getFrame();

	m_blockedFrames = 0;
	m_isBlockedAndStuck = FALSE;
	return TRUE;
}

//-------------------------------------------------------------------------------------------------
/**
 * Invoke the pathfinder to compute a path to the desired location.
 */
Bool AIUpdateInterface::computePath( PathfindServicesInterface *pathServices, Coord3D *destination )
{

	if (!m_isBlockedAndStuck)	{
		destroyPath();
	}

	if (canComputeQuickPath())
	{
		return computeQuickPath(destination);
	}
	m_retryPath = false;
	Region3D extent;
	TheTerrainLogic->getMaximumPathfindExtent(&extent);
	if (!extent.isInRegionNoZ(destination)) {
		// We're going off the map.
		Coord3D pos = *getObject()->getPosition();
		if (!extent.isInRegionNoZ(&pos))	{
			// We're starting off the map.  Since we're off the map, we can't pathfind so just build a path.
			return computeQuickPath(destination);
		}
	}

	// Special case of exit factory. jba.
	if ((m_stateMachine->getCurrentStateID() == AI_FOLLOW_EXITPRODUCTION_PATH) && canPathThroughUnits()) {
		Bool ok = computeQuickPath(destination);
		if (ok) {
			TheAI->pathfinder()->moveAlliesAwayFromDestination(getObject(), *destination);
			setCanPathThroughUnits(false);
			setGoalPositionClipped(destination, CMD_FROM_AI);
			return ok;
		}
	}

	Path *theNewPath = NULL;
	TheAI->pathfinder()->setIgnoreObstacleID( getIgnoredObstacleID() );

	Coord3D originalDestination = *destination;
	// sanity check - if destination cell is invalid, don't bother pathing

	LocomotorSurfaceTypeMask surfaces = m_locomotorSet.getValidSurfaces();
	if (!m_isFinalGoal && TheAI->pathfinder()->isLinePassable( getObject(), surfaces, 
			getObject()->getLayer(), *getObject()->getPosition(), originalDestination, false, true)) {
		return computeQuickPath(destination);
	}

	PathfindLayerEnum destinationLayer = TheTerrainLogic->getLayerForDestination(destination);
	if (TheAI->pathfinder()->validMovementPosition( getObject()->getCrusherLevel()>0, destinationLayer, m_locomotorSet, destination ) == FALSE)
	{
		theNewPath = NULL;
	}
	else
	{
		// compute a ground-based path
		if (m_isBlockedAndStuck) {
			theNewPath = pathServices->patchPath( getObject(), m_locomotorSet, 
				getPath(), m_isBlockedAndStuck);
		}	else {
			theNewPath = pathServices->findPath( getObject(), m_locomotorSet, getObject()->getPosition(), 
				destination);
		}
	}
	if (theNewPath==NULL && m_path==NULL) {
		Real pathCostFactor = 0.0f;	
		theNewPath = pathServices->findClosestPath( getObject(), m_locomotorSet, getObject()->getPosition(), 
			destination, m_isBlockedAndStuck, pathCostFactor, FALSE );
		m_retryPath = true;
	}
	TheAI->pathfinder()->setIgnoreObstacleID( INVALID_ID );
	if (theNewPath) {
		// destroy previous path
		destroyPath();
		m_path = theNewPath;
		if (getCurLocomotor() && getCurLocomotor()->isUltraAccurate()) {
			// Move exactly to the destination.  Normal ground pathfinding moves to a gridded location.
			theNewPath->updateLastNode(&originalDestination);
		}
		setLocomotorGoalPositionOnPath();
 		if( !getObject()->isKindOf(KINDOF_NO_COLLIDE))// If I don't collide with things, I don't need to tell them to get out of the way
			TheAI->pathfinder()->moveAllies(getObject(), theNewPath);
	} else {
		// Keep using the old path.
 		if (m_path && m_isBlockedAndStuck) {
			destroyPath();
			// Stop and wait one second.

			setQueueForPathTime(LOGICFRAMES_PER_SECOND);
			Coord3D goalPos;
			Object *obj = getObject();
			goalPos = *obj->getPosition();
			TheAI->pathfinder()->snapPosition(obj, &goalPos);
			setFinalPosition(&goalPos);
			setLocomotorGoalNone();

			m_blockedFrames = 0;
			m_isBlocked = FALSE;
			m_isBlockedAndStuck = FALSE;
		}
	}
	// timestamp when the path was created
	m_pathTimestamp = TheGameLogic->getFrame();

	m_blockedFrames = 0;
	m_isBlockedAndStuck = FALSE;
	if (m_path)
		return TRUE;

	return FALSE;
}

//-------------------------------------------------------------------------------------------------
/**
 * Invoke the pathfinder to compute a path to attack the current victim.
 */
Bool AIUpdateInterface::computeAttackPath( PathfindServicesInterface *pathServices, const Object *victim, const Coord3D* victimPos )
{
	//CRCDEBUG_LOG(("AIUpdateInterface::computeAttackPath() for object %d\n", getObject()->getID()));
	// See if it has been too soon.
	if (m_pathTimestamp >= TheGameLogic->getFrame()-2) 
	{
		// jba intense debug
		//CRCDEBUG_LOG(("Info - RePathing very quickly %d, %d.\n", m_pathTimestamp, TheGameLogic->getFrame()));
		if (m_path && m_isBlockedAndStuck) 
		{
			setIgnoreCollisionTime(2*LOGICFRAMES_PER_SECOND);
			m_blockedFrames = 0;
			m_isBlocked = FALSE;
			m_isBlockedAndStuck = FALSE;
			return TRUE;
		}
	}
	Bool landBound = FALSE;
	// Note - if a truck happens to pop into the air and gets a move to command, it still
	// needs to pathfind.  So only skip pathfinding for airborne things that can fly... jba.
	if (!(m_locomotorSet.getValidSurfaces() & LOCOMOTORSURFACE_AIR))
  {
		landBound = TRUE;
	}

	Object* source = getObject();
	if (!victim && !victimPos) 
	{
		//CRCDEBUG_LOG(("AIUpdateInterface::computeAttackPath() - victim is NULL\n"));
		return FALSE;
	}

	PathfindLayerEnum victimLayer = LAYER_GROUND;
	if (victim) {
		victimLayer = victim->getLayer();
	}

	Weapon *weapon = source->getCurrentWeapon();
	if (!weapon)
	{
		DEBUG_CRASH(("no weapon in AIUpdateInterface::computeAttackPath"));
		return FALSE;
	}

	// is our weapon within attack range?
	// if so, just return TRUE with no path.
	if (victim != NULL)
	{
		if (weapon->isWithinAttackRange(source, victim))
		{
			Bool viewBlocked = FALSE;
			if (isDoingGroundMovement() && !victim->isSignificantlyAboveTerrain()) 
			{
				viewBlocked = TheAI->pathfinder()->isAttackViewBlockedByObstacle(source, *source->getPosition(), victim, *victim->getPosition());
			}
			if (!viewBlocked) 
			{
				destroyPath();
				//CRCDEBUG_LOG(("AIUpdateInterface::computeAttackPath() - target is in range and visible\n"));
				return TRUE;
			}
			
		}
	}
	else if (victimPos != NULL)
	{
		if (weapon->isWithinAttackRange(source, victimPos))
		{
			Bool viewBlocked = FALSE;
			if (isDoingGroundMovement()) 
			{
				viewBlocked = TheAI->pathfinder()->isAttackViewBlockedByObstacle(source, *source->getPosition(), NULL, *victimPos);
			}
			if (!viewBlocked) {
				destroyPath();
				//CRCDEBUG_LOG(("AIUpdateInterface::computeAttackPath() target pos is in range and visible\n"));
				return TRUE;
			}
		}
	}

	// Contact weapon
	if (weapon->isContactWeapon()) 
	{
		// Weapon is basically a contact weapon, like a car bomb.  The approach target logic
		// has been modified to let it approach the object, so just approach the target position.	jba.
		Coord3D tmp = *victimPos;
		destroyPath();
		if (this->getCurLocomotor()) 
		{
			getCurLocomotor()->setNoSlowDownAsApproachingDest(TRUE);
		}
		Bool ok = computePath(pathServices, &tmp);
		if (m_path==NULL) return false;
		Real dx, dy;
		dx = victimPos->x - m_path->getLastNode()->getPosition()->x;
		dy = victimPos->y - m_path->getLastNode()->getPosition()->y;
		if (sqr(dx)+sqr(dy) < sqr(PATHFIND_CELL_SIZE_F*2)) {
			if (m_path) 
			{
				m_path->updateLastNode(victimPos); // jam in the coordinates of the target.
			}
		}
		dx = source->getPosition()->x - m_path->getLastNode()->getPosition()->x;
		dy = source->getPosition()->y - m_path->getLastNode()->getPosition()->y;
		if (sqr(dx)+sqr(dy) < sqr(PATHFIND_CELL_SIZE_F)) {
			// Very short path - we can't get to the goal.
			destroyPath();
			return false;
		}
		//CRCDEBUG_LOG(("AIUpdateInterface::computeAttackPath() is contact weapon\n"));
		return ok;
	}


	Coord3D localVictimPos;
	if (victim != NULL)
	{
		if (victim->isKindOf(KINDOF_BRIDGE)) 
		{
			TBridgeAttackInfo info;
			TheTerrainLogic->getBridgeAttackPoints(victim, &info);
			Real distSqr1 = ThePartitionManager->getDistanceSquared( source, &info.attackPoint1, FROM_BOUNDINGSPHERE_3D );
			Real distSqr2 = ThePartitionManager->getDistanceSquared( source, &info.attackPoint2, FROM_BOUNDINGSPHERE_3D );
			if (distSqr2<distSqr1) {
 				localVictimPos = info.attackPoint2;
			} else {
 				localVictimPos = info.attackPoint1;
			}
		}
		else
		{
			localVictimPos = *victim->getPosition();
		}
	}
	else
	{
		localVictimPos = *victimPos;
	}

	localVictimPos.z = TheTerrainLogic->getLayerHeight( localVictimPos.x, localVictimPos.y, victimLayer );

	if (getObject()->isAboveTerrain() && !landBound)
	{
		// for now, airborne objects don't pathfind
		// build a trivial one-node path containing destination

		weapon->computeApproachTarget(getObject(), victim, &localVictimPos, 0, localVictimPos);
		//DEBUG_ASSERTCRASH(weapon->isGoalPosWithinAttackRange(getObject(), &localVictimPos, victim, victimPos, NULL),
		//	("position we just calced is not acceptable\n"));
		
		// First, see if our path already goes to the destination.
		if (m_path) 
		{
			PathNode *startNode, *closeNode = NULL;
			startNode = m_path->getFirstNode();
			closeNode = startNode->getNextOptimized();
			if (closeNode && closeNode->getNextOptimized()==NULL) {
				Real dxSqr = localVictimPos.x - closeNode->getPosition()->x;
				dxSqr *= dxSqr;
				Real dySqr = localVictimPos.y - closeNode->getPosition()->y;
				dySqr *= dySqr;
				if (dxSqr+dySqr<0.25f) 
				{
					return TRUE;
				}
			}
		}
		// destroy previous path
		destroyPath();
		m_path = newInstance(Path);
		m_path->prependNode( &localVictimPos, LAYER_GROUND );
		Coord3D pos = *getObject()->getPosition();
		pos.z = localVictimPos.z;
		m_path->prependNode( &pos, LAYER_GROUND );
		m_path->getFirstNode()->setNextOptimized(m_path->getFirstNode()->getNext());
		if (TheGlobalData->m_debugAI==AI_DEBUG_PATHS) 
		{
			TheAI->pathfinder()->setDebugPath(m_path);
		}
	}
	else
	{
		// destroy previous path
		destroyPath();

		TheAI->pathfinder()->setIgnoreObstacleID( getIgnoredObstacleID() );

		// compute a ground-based path
		m_path = pathServices->findAttackPath( getObject(), m_locomotorSet, getObject()->getPosition(), 
			victim, &localVictimPos, weapon);
		TheAI->pathfinder()->setIgnoreObstacleID( INVALID_ID );
		if (m_path && m_path->getBlockedByAlly()) 
		{
	 		if( !getObject()->isKindOf(KINDOF_NO_COLLIDE))// If I don't collide with things, I don't need to tell them to get out of the way
				TheAI->pathfinder()->moveAllies(getObject(), m_path);
		}
	}

	// timestamp when the path was created
	m_pathTimestamp = TheGameLogic->getFrame();

	m_blockedFrames = 0;
	m_isBlockedAndStuck = FALSE;
	//CRCDEBUG_LOG(("AIUpdateInterface::computeAttackPath() done\n"));
	if (m_path)
		return TRUE;

	return FALSE;
}

//-------------------------------------------------------------------------------------------------
/**
 * Destroy the current path, and set it to NULL
 */
void AIUpdateInterface::destroyPath( void )
{
	// destroy previous path
	if (m_path)
		m_path->deleteInstance();

	m_path = NULL;
	m_waitingForPath = FALSE; // we no longer need it.
	//CRCDEBUG_LOG(("AIUpdateInterface::destroyPath() - m_isAttackPath = FALSE for object %d\n", getObject()->getID()));
	m_isAttackPath = FALSE;
	setLocomotorGoalNone();
}

//-------------------------------------------------------------------------------------------------
/**
 * This is used by the internal move to state to indicate that a move started.
 */
void AIUpdateInterface::friend_startingMove(void) 
{
	m_movementComplete = FALSE; // we aren't finished moving.
	m_isMoving = TRUE;
	m_blockedFrames = 0;
	m_isBlockedAndStuck = FALSE;
}

//-------------------------------------------------------------------------------------------------
/**
 * This is used by the internal move to state to indicate that a move completed.
 */
void AIUpdateInterface::friend_endingMove()
{
	m_movementComplete = TRUE;
	m_isMoving = FALSE;
}

//-------------------------------------------------------------------------------------------------
/**
 * This is used by the jetai to set a specific path.
 */
void AIUpdateInterface::friend_setPath(Path *path)
{
	destroyPath();
	m_path = path;
}

//-------------------------------------------------------------------------------------------------
/**
 * This is used by the guard tunnel network state to set a target object.
 */
void AIUpdateInterface::friend_setGoalObject(Object *obj)
{
	Bool locked = getStateMachine()->isLocked();
	getStateMachine()->unlock();
	getStateMachine()->setGoalObject(obj);
	if (locked) {
		getStateMachine()->lock("Friend_setGlobalObject re-locking");
	}
}

//-------------------------------------------------------------------------------------------------
/** Is there a path at all that exists from us to the destination location */
//-------------------------------------------------------------------------------------------------
Bool AIUpdateInterface::isPathAvailable( const Coord3D *destination ) const
{
	
	// sanity
	if( destination == NULL )
		return FALSE;

	const Coord3D *myPos = getObject()->getPosition();

	return TheAI->pathfinder()->quickDoesPathExist( m_locomotorSet, myPos, destination );

}  // end isPathAvailable

//-------------------------------------------------------------------------------------------------
/** Is there a path (computed using the less accurate but quick method )
	* at all that exists from us to the destination location */
//-------------------------------------------------------------------------------------------------
Bool AIUpdateInterface::isQuickPathAvailable( const Coord3D *destination ) const
{
	
	// sanity
	if( destination == NULL )
		return FALSE;

	const Coord3D *myPos = getObject()->getPosition();

	return TheAI->pathfinder()->quickDoesPathExist( m_locomotorSet, myPos, destination );

}  // end isQuickPathAvailable




//-------------------------------------------------------------------------------------------------
Bool AIUpdateInterface::isValidLocomotorPosition(const Coord3D* pos) const
{
	return TheAI->pathfinder()->validMovementPosition( getObject()->getCrusherLevel()>0, getObject()->getLayer(), m_locomotorSet, pos );
}

//-------------------------------------------------------------------------------------------------
DECLARE_PERF_TIMER(doLocomotor)
/**
 * Compute drive forces
 */
UpdateSleepTime AIUpdateInterface::doLocomotor( void )
{
	USE_PERF_TIMER(doLocomotor)

	if (getObject()->isKindOf(KINDOF_IMMOBILE))
		return UPDATE_SLEEP_FOREVER;

	chooseGoodLocomotorFromCurrentSet();

	if (m_isBlocked) 
	{
		++m_blockedFrames;
	} 
	else 
	{
		m_blockedFrames = 0;
	}

	m_isBlocked = FALSE;

	Bool blocked = m_blockedFrames > 0;
	Bool requiresConstantCalling = TRUE;	// assume the worst.

	if (m_curLocomotor)
	{
		m_curLocomotor->setPhysicsOptions(getObject());

		if (isAiInDeadState() && !m_curLocomotor->getLocomotorWorksWhenDead())
		{
			// now it's over, I'm dead, and I haven't done anything that I want,
			// or, I'm still alive, and there's nothing I want to do
		}
		else
		{
			switch (m_locomotorGoalType)
			{
				case POSITION_EXPLICIT:
					{
						Real speed = m_desiredSpeed;
						Real myMaxSpeed = m_curLocomotor->getMaxSpeedForCondition(getObject()->getBodyModule()->getDamageState());
						if( speed == FAST_AS_POSSIBLE || speed > myMaxSpeed )
							speed = myMaxSpeed;
						m_curLocomotor->locoUpdate_moveTowardsPosition(getObject(), 
							m_locomotorGoalData, 0.0f, speed, &blocked);
						m_doFinalPosition = FALSE;
					}
					break;

				case POSITION_ON_PATH:
					{	 
						if (!getPath())
						{
							if (m_waitingForPath) 
							{
								return UPDATE_SLEEP_FOREVER;  // Can't move till we get our path.
							}
							DEBUG_LOG(("Dead %d, obj %s %x\n", isAiInDeadState(), getObject()->getTemplate()->getName().str(), getObject()));
#ifdef STATE_MACHINE_DEBUG
							DEBUG_LOG(("Waiting %d, state %s\n", m_waitingForPath, getStateMachine()->getCurrentStateName().str()));
							m_stateMachine->setDebugOutput(1);
#endif
							DEBUG_CRASH(("must have a path here (doLocomotor)"));
							break;
						}
						Coord3D goalPos;
						Real onPathDistToGoal;
						if (!isDoingGroundMovement()) 
						{
							// airborne locomotor.  Get the goal and distance direct to the goal, don't consider obstacles.
							onPathDistToGoal = getPath()->computeFlightDistToGoal(getObject()->getPosition(), goalPos);
						} 
						else 
						{
							// Compute the actual goal position along the path to move towards.  Consider
							// obstacles, and follow the intermediate path points.
							ClosestPointOnPathInfo info;
							CRCDEBUG_LOG(("AIUpdateInterface::doLocomotor() - calling computePointOnPath() for %s\n",
								DescribeObject(getObject()).str()));
							getPath()->computePointOnPath(getObject(), m_locomotorSet, *getObject()->getPosition(), info);
							onPathDistToGoal = info.distAlongPath;
							goalPos = info.posOnPath;
							// layer is a possible bridge in the path.  Check & set the layer if applicable.
							TheAI->pathfinder()->updateLayer(getObject(), info.layer);
						}
				 
						Real speed = m_desiredSpeed;
						Real myMaxSpeed = m_curLocomotor->getMaxSpeedForCondition(getObject()->getBodyModule()->getDamageState());
						if( speed == FAST_AS_POSSIBLE || speed > myMaxSpeed )
							speed = myMaxSpeed;

						if (blocked && speed>m_curMaxBlockedSpeed) 
						{
							speed = m_curMaxBlockedSpeed;
							if (m_bumpSpeedLimit>speed) {
								m_bumpSpeedLimit = speed;
							}
							m_bumpSpeedLimit *= 0.95f;
							speed = m_bumpSpeedLimit;
						} 
						else 
						{
							blocked = FALSE;
							if (m_bumpSpeedLimit<FAST_AS_POSSIBLE) {
								if (m_bumpSpeedLimit<speed*0.2f) {
									m_bumpSpeedLimit = speed*0.2f;
								}
								m_bumpSpeedLimit *= 1.05f;
							}
							if (speed>m_bumpSpeedLimit) {
								speed = m_bumpSpeedLimit;
							}
						}

						m_curLocomotor->locoUpdate_moveTowardsPosition(getObject(), goalPos, 
							onPathDistToGoal+getPathExtraDistance(), speed, &blocked);

						m_doFinalPosition = FALSE;
					}
					break;

				case ANGLE:
					{
						m_curLocomotor->locoUpdate_moveTowardsAngle(getObject(), m_locomotorGoalData.x);
						m_doFinalPosition = FALSE;
					}
					break;

				case NONE:
					{
						if (m_doFinalPosition) 
						{
							Coord3D pos = *getObject()->getPosition();
							Bool onGround = !getObject()->isAboveTerrain() && getObject()->getLayer() == LAYER_GROUND;
							Real dx = m_finalPosition.x - pos.x;
							Real dy = m_finalPosition.y - pos.y;
							Real dSqr = dx*dx+dy*dy;
							const Real DARN_CLOSE = 0.25f;
							if (dSqr < DARN_CLOSE) 
							{
								m_doFinalPosition = FALSE; 
								if (onGround)
									m_finalPosition.z = TheTerrainLogic->getGroundHeight( m_finalPosition.x, m_finalPosition.y );
								else
									m_finalPosition.z = pos.z;
								getObject()->setPosition(&m_finalPosition);
							} 
							else 
							{
								Real dist = sqrtf(dSqr);
								if (dist<1) dist = 1;
								pos.x += 2*PATHFIND_CELL_SIZE_F*dx/(dist*LOGICFRAMES_PER_SECOND);
								pos.y += 2*PATHFIND_CELL_SIZE_F*dy/(dist*LOGICFRAMES_PER_SECOND);
								if (onGround)
									pos.z = TheTerrainLogic->getGroundHeight( pos.x, pos.y );
								getObject()->setPosition(&pos);
							}
						}
						requiresConstantCalling = m_curLocomotor->locoUpdate_maintainCurrentPosition(getObject());
					}
					break;
			}
		}
		
		if (!blocked && m_blockedFrames>1) 
		{
			m_blockedFrames = 1;
		}

		// After our movement for the frame, update our AirborneTarget flag.
		if(getObject()->getHeightAboveTerrain() > m_curLocomotor->getAirborneTargetingHeight() )
			getObject()->setStatus( MAKE_OBJECT_STATUS_MASK( OBJECT_STATUS_AIRBORNE_TARGET ) );
		else
			getObject()->clearStatus( MAKE_OBJECT_STATUS_MASK( OBJECT_STATUS_AIRBORNE_TARGET ) );

		m_curMaxBlockedSpeed = FAST_AS_POSSIBLE;
	}

	if (m_curLocomotor != NULL
			&& m_locomotorGoalType == NONE
			&& m_doFinalPosition == FALSE
			&& m_isBlocked == FALSE
			&& requiresConstantCalling == FALSE)
	{
		return UPDATE_SLEEP_FOREVER;
	}
	else
	{
		return UPDATE_SLEEP_NONE;
	}

}

//-------------------------------------------------------------------------------------------------
void AIUpdateInterface::setLocomotorGoalPositionOnPath()
{
	m_locomotorGoalType = POSITION_ON_PATH;
	m_locomotorGoalData.zero();
}

//-------------------------------------------------------------------------------------------------
void AIUpdateInterface::setLocomotorGoalPositionExplicit(const Coord3D& newPos)
{
	m_locomotorGoalType = POSITION_EXPLICIT;
	m_locomotorGoalData = newPos;
#ifdef _DEBUG
if (_isnan(m_locomotorGoalData.x) || _isnan(m_locomotorGoalData.y) || _isnan(m_locomotorGoalData.z))
{
	DEBUG_CRASH(("NAN in setLocomotorGoalPositionExplicit"));
}
#endif
}

//-------------------------------------------------------------------------------------------------
void AIUpdateInterface::setLocomotorGoalOrientation(Real angle)
{
	m_locomotorGoalType = ANGLE;
	m_locomotorGoalData.x = angle;
#ifdef _DEBUG
if (_isnan(m_locomotorGoalData.x) || _isnan(m_locomotorGoalData.y) || _isnan(m_locomotorGoalData.z))
{
	DEBUG_CRASH(("NAN in setLocomotorGoalOrientation"));
}
#endif
}

//-------------------------------------------------------------------------------------------------
void AIUpdateInterface::setLocomotorGoalNone()
{
	m_locomotorGoalType = NONE;
}

//-------------------------------------------------------------------------------------------------
Bool AIUpdateInterface::isDoingGroundMovement(void) const
{
	if (m_locomotorSet.getValidSurfaces() == LOCOMOTORSURFACE_AIR) 
	{
		return FALSE;  // air only loco.
	}

	if (m_curLocomotor == NULL) 
	{
		return FALSE;	// No loco, so we aren't moving.
	}

	// Cur loco is air, so not ground.
	if (m_curLocomotor->getLegalSurfaces() & LOCOMOTORSURFACE_AIR) 
	{
		return FALSE; 
	}

	// We are held, so not moving on ground.
	if( getObject()->isDisabledByType( DISABLED_HELD ) ) 
	{
		return FALSE;
	}

	// if we're airborne and "allowed to fall", we are probably deliberately in midair
	// due to rappel or accident...
	const PhysicsBehavior* physics = getObject()->getPhysics();
	if (getObject()->isAboveTerrain() && physics != NULL && physics->getAllowToFall())
	{
		return FALSE;
	}

	// After all exceptions, we must be doing ground movement.
	//DEBUG_ASSERTLOG(getObject()->isSignificantlyAboveTerrain(), ("Object %s is significantly airborne but also doing ground movement. What?\n",getObject()->getTemplate()->getName().str()));
	return TRUE;
}

//-------------------------------------------------------------------------------------------------
/** Some aircraft (comanche in particular, which hover) shouldn't stack destinations.
Others, like missles, should stack destinations.  AdjustDestination in pathfinder unstacks
destinations, and this routine identifies non-ground units that should unstack. */

Bool AIUpdateInterface::isAircraftThatAdjustsDestination(void) const
{
	if (m_curLocomotor == NULL) 
	{
		return FALSE;	// No loco, so we aren't moving.
	}

	if (m_curLocomotor->getAppearance() == LOCO_HOVER) 
	{
		return TRUE;	// Hover adjusts.
	}
	if (m_curLocomotor->getAppearance() == LOCO_WINGS)
	{
		return TRUE; // wings adjusts.
	}
	if (m_curLocomotor->getAppearance() == LOCO_THRUST)
	{
		return FALSE; // thrust doesn't adjust.
	}

	return FALSE;
}

//-------------------------------------------------------------------------------------------------
Bool AIUpdateInterface::getTreatAsAircraftForLocoDistToGoal() const
{
	Bool treatAsAircraft = !isDoingGroundMovement();
	if (getPathExtraDistance() > PATHFIND_CLOSE_ENOUGH) 
	{
		// We are following a waypoint or other multiple point path, so use the "easy" success criteria.
		treatAsAircraft = TRUE;
	}
	if (m_curLocomotor && m_curLocomotor->getAppearance() == LOCO_HOVER) 
	{
		// Hovercrafts are very sloppy.  So use aircraft tests for distance to goal.  jba.
		treatAsAircraft = TRUE;
	}
	return treatAsAircraft;
}

//-------------------------------------------------------------------------------------------------
Real AIUpdateInterface::getLocomotorDistanceToGoal() 
{
	switch (m_locomotorGoalType)
	{
		case POSITION_EXPLICIT:
			DEBUG_CRASH(("not yet implemented"));
			return 0.0f;

		case POSITION_ON_PATH:
			if (!getPath()) 
			{
				DEBUG_CRASH(("must have a path here (getLocomotorDistanceToGoal)"));
				return 0.0f;
			}
			else if (!m_curLocomotor) 
			{
				//DEBUG_LOG(("no locomotor here, so no dist. (this is ok.)\n"));
				return 0.0f;
			}	
			else if( m_curLocomotor->isCloseEnoughDist3D() || getObject()->isKindOf(KINDOF_PROJECTILE))
			{
				const Object *me = getObject();
				const Coord3D *dest = getGoalPosition();
				if (m_path->getLastNode()) {
					dest = m_path->getLastNode()->getPosition();
				}
				Real distance = ThePartitionManager->getDistanceSquared( me, dest, FROM_CENTER_3D );
				return sqrt( distance );// Other paths return dots of normalized vectors, so one sqrt ain't so bad
			}
			else 
			{
				Coord3D goalPos;
				Bool treatAsAircraft = getTreatAsAircraftForLocoDistToGoal();
				Real dist;
				if (treatAsAircraft) 
				{
					// airborne locomotor.  Get the goal and distance direct to the goal, don't consider obstacles.
					dist =  getPath()->computeFlightDistToGoal(getObject()->getPosition(), goalPos);
				}	else {
					// Ground based locomotor.
					ClosestPointOnPathInfo info;
					CRCDEBUG_LOG(("AIUpdateInterface::getLocomotorDistanceToGoal() - calling computePointOnPath() for object %d\n", getObject()->getID()));
					getPath()->computePointOnPath(getObject(), m_locomotorSet, *getObject()->getPosition(), info);
					goalPos = info.posOnPath;	 
					dist = info.distAlongPath;
				}
				if (m_path->getLastNode()) {
					goalPos = *m_path->getLastNode()->getPosition();
				}
				// We are trying to get to goal.  So, 
				// If the actual distance is farther, then use the actual distance so we get there.
				Real dx = goalPos.x - getObject()->getPosition()->x;
				Real dy = goalPos.y - getObject()->getPosition()->y;
				Real distSqr = dx*dx + dy*dy;
				
				if (treatAsAircraft) 
				{
					if (sqr(dist) > distSqr) 
					{
						return sqrt(distSqr);
					}
					else
					{
						return dist; 
					}
				}

				if (dist<PATHFIND_CELL_SIZE_F || sqr(dist) < distSqr)
					return sqrtf(distSqr);
				else
					return dist;			 

			}

		case ANGLE:
		case NONE:
			// If it isn't a positional goal, we are there already.
			return 0.0f;
	}

	return 0.0f;
}
 

/**
 * Catch up with the rest of the team.
 */
void AIUpdateInterface::joinTeam( void )
{
	// the dead don't listen very well
	if (isAiInDeadState())
		return;

	if (getObject()->isMobile() == FALSE)
		return;

	chooseLocomotorSet(LOCOMOTORSET_NORMAL);
	getStateMachine()->clear();
	getStateMachine()->setGoalWaypoint(NULL);
	Object *obj = getObject();
	Object *other = NULL;
	Team *team = obj->getTeam();
	for (DLINK_ITERATOR<Object> iter = team->iterate_TeamMemberList(); !iter.done(); iter.advance())
	{
		Object *anObj = iter.cur();
		if (!anObj) 
		{
			continue;
		}
		if (obj == anObj) 
		{
			// it's us.
			continue;
		}	
		else if (anObj->getAI()) 
		{
			if( !anObj->isDisabledByType( DISABLED_HELD ) ) 
			{
				other = anObj;
				break;
			}
		}
	}
	if (other) {
		AIUpdateInterface* ai = other->getAI();
		if (ai->isIdle()) {
			aiMoveToPosition(other->getPosition(), CMD_FROM_AI);
			return;
		}
		if (ai->getGoalObject()) {
			getStateMachine()->setGoalObject(ai->getGoalObject());
		} else {
			getStateMachine()->setGoalPosition(ai->getGoalPosition());
		}
		StateID	state = getCurrentStateID();
		setLastCommandSource( CMD_FROM_AI );
		// Match the state.
		getStateMachine()->setState( state );
	}

}  // end joinTeam

//-------------------------------------------------------------------------------------------------
Bool AIUpdateInterface::isAllowedToRespondToAiCommands(const AICommandParms* parms) const
{
	// the dead don't listen very well
	// (unless they are seeking to feed on the brains of the living)
	// [urrr, need brains]
	if (getObject()->isEffectivelyDead())
		return FALSE;

	// We're catching the sleep mood here. AI Units that are asleep actually ignore all commands.
	// (See the AI Mood matrix for more info)
	UnsignedInt moodParms = getMoodMatrixValue();
	if ((moodParms & MM_Controller_AI) && (moodParms & MM_Mood_Sleep) && (parms->m_cmd != AICMD_MOVE_TO_POSITION_EVEN_IF_SLEEPING))
		return FALSE;

	return TRUE;
}

//-------------------------------------------------------------------------------------------------
void AIUpdateInterface::aiDoCommand(const AICommandParms* parms)
{
	if (!isAllowedToRespondToAiCommands(parms))
		return;

#ifdef ALLOW_SURRENDER
	// surrendered items have very limited options, and only via AI cmds
	if (isSurrendered())
	{
		if (parms->m_cmdSource != CMD_FROM_AI)
			return;

		switch (parms->m_cmd)
		{
			case AICMD_MOVE_TO_POSITION:
			case AICMD_MOVE_TO_OBJECT:
			case AICMD_IDLE:
			case AICMD_ENTER:
			case AICMD_EXIT:
				break;

			default:
				DEBUG_LOG(("ignoring ai cmd due to surrender condition"));
				return;
		}
	}
#endif

	switch (parms->m_cmd)
	{
		case AICMD_MOVE_TO_POSITION:
		case AICMD_MOVE_TO_POSITION_EVEN_IF_SLEEPING:
			privateMoveToPosition(&parms->m_pos, parms->m_cmdSource);
			break;
		case AICMD_MOVE_TO_OBJECT:
			privateMoveToObject(parms->m_obj, parms->m_cmdSource);
			break;
		case AICMD_TIGHTEN_TO_POSITION:
			privateTightenToPosition(&parms->m_pos, parms->m_cmdSource);
			break;
		case AICMD_MOVE_TO_POSITION_AND_EVACUATE:
			privateMoveToAndEvacuate(&parms->m_pos, parms->m_cmdSource);
			break;
		case AICMD_MOVE_TO_POSITION_AND_EVACUATE_AND_EXIT:
			privateMoveToAndEvacuateAndExit(&parms->m_pos, parms->m_cmdSource);
			break;
		case AICMD_IDLE:
			privateIdle(parms->m_cmdSource);
			break;
		case AICMD_FOLLOW_WAYPOINT_PATH:
			privateFollowWaypointPath(parms->m_waypoint, parms->m_cmdSource);
			break;
		case AICMD_FOLLOW_WAYPOINT_PATH_AS_TEAM:
			privateFollowWaypointPathAsTeam(parms->m_waypoint, parms->m_cmdSource);
			break;
		case AICMD_FOLLOW_WAYPOINT_PATH_EXACT:
			privateFollowWaypointPathExact(parms->m_waypoint, parms->m_cmdSource);
			break;
		case AICMD_FOLLOW_WAYPOINT_PATH_AS_TEAM_EXACT:
			privateFollowWaypointPathAsTeamExact(parms->m_waypoint, parms->m_cmdSource);
			break;
		case AICMD_FOLLOW_PATH:
			privateFollowPath(&parms->m_coords, parms->m_obj, parms->m_cmdSource, FALSE);
			break;
		case AICMD_FOLLOW_PATH_APPEND:
			privateFollowPathAppend(&parms->m_pos, parms->m_cmdSource);
			break;
		case AICMD_FOLLOW_EXITPRODUCTION_PATH:
			privateFollowPath(&parms->m_coords, parms->m_obj, parms->m_cmdSource, TRUE);
			break;
		case AICMD_ATTACK_OBJECT:
			privateAttackObject(parms->m_obj, parms->m_intValue, parms->m_cmdSource);
			break;
		case AICMD_FORCE_ATTACK_OBJECT:
			privateForceAttackObject(parms->m_obj, parms->m_intValue, parms->m_cmdSource);
			break;
		case AICMD_ATTACK_TEAM:
			privateAttackTeam(parms->m_team, parms->m_intValue, parms->m_cmdSource);
			break;
		case AICMD_ATTACK_POSITION:
			privateAttackPosition(&parms->m_pos, parms->m_intValue, parms->m_cmdSource);
			break;
		case AICMD_ATTACKMOVE_TO_POSITION:
			privateAttackMoveToPosition(&parms->m_pos, parms->m_intValue, parms->m_cmdSource);
			break;
		case AICMD_ATTACKFOLLOW_WAYPOINT_PATH:
			privateAttackFollowWaypointPath(parms->m_waypoint, parms->m_intValue, FALSE, parms->m_cmdSource);
			break;
		case AICMD_ATTACKFOLLOW_WAYPOINT_PATH_AS_TEAM:
			privateAttackFollowWaypointPath(parms->m_waypoint, parms->m_intValue, TRUE, parms->m_cmdSource);
			break;
		case AICMD_HUNT:
			privateHunt(parms->m_cmdSource);
			break;
		case AICMD_ATTACK_AREA:
			privateAttackArea(parms->m_polygon, parms->m_cmdSource);
			break;
		case AICMD_REPAIR:
			privateRepair(parms->m_obj, parms->m_cmdSource);
			break;
#ifdef ALLOW_SURRENDER
		case AICMD_PICK_UP_PRISONER:
			privatePickUpPrisoner( parms->m_obj, parms->m_cmdSource );
			break;
		case AICMD_RETURN_PRISONERS:
			privateReturnPrisoners( parms->m_obj, parms->m_cmdSource );
			break;
#endif
		case AICMD_RESUME_CONSTRUCTION:
			privateResumeConstruction(parms->m_obj, parms->m_cmdSource);
			break;
		case AICMD_GET_HEALED:
			privateGetHealed(parms->m_obj, parms->m_cmdSource);
			break;
		case AICMD_GET_REPAIRED:
			privateGetRepaired(parms->m_obj, parms->m_cmdSource);
			break;
		case AICMD_ENTER:
			privateEnter(parms->m_obj, parms->m_cmdSource);
			break;
		case AICMD_DOCK:
			privateDock(parms->m_obj, parms->m_cmdSource);
			break;
		case AICMD_EXIT:
			privateExit(parms->m_obj, parms->m_cmdSource);
			break;
		case AICMD_EVACUATE:
			privateEvacuate(parms->m_intValue, parms->m_cmdSource);
			break;
		case AICMD_EXECUTE_RAILED_TRANSPORT:
			privateExecuteRailedTransport( parms->m_cmdSource );
			break;
		case AICMD_GO_PRONE:
			privateGoProne(&parms->m_damage, parms->m_cmdSource);
			break;
		case AICMD_GUARD_POSITION:
			privateGuardPosition(&parms->m_pos, (GuardMode)parms->m_intValue, parms->m_cmdSource);
			break;
		case AICMD_GUARD_OBJECT:
			privateGuardObject(parms->m_obj, (GuardMode)parms->m_intValue, parms->m_cmdSource);
			break;
		case AICMD_GUARD_TUNNEL_NETWORK:
			privateGuardTunnelNetwork((GuardMode)parms->m_intValue, parms->m_cmdSource);
			break;
		case AICMD_GUARD_AREA:
			privateGuardArea(parms->m_polygon, (GuardMode)parms->m_intValue, parms->m_cmdSource);
			break;
		case AICMD_HACK_INTERNET:
			privateHackInternet( parms->m_cmdSource );
			break;
		case AICMD_FACE_OBJECT:
			privateFaceObject( parms->m_obj, parms->m_cmdSource );
			break;
		case AICMD_FACE_POSITION:
			privateFacePosition( &parms->m_pos, parms->m_cmdSource );
			break;
		case AICMD_RAPPEL_INTO:
			privateRappelInto( parms->m_obj, parms->m_pos, parms->m_cmdSource );
			break;
		case AICMD_COMBATDROP:
			privateCombatDrop( parms->m_obj, parms->m_pos, parms->m_cmdSource );
			break;
		case AICMD_COMMANDBUTTON:
			privateCommandButton( parms->m_commandButton, parms->m_cmdSource );
			break;
		case AICMD_COMMANDBUTTON_OBJ:
			privateCommandButtonObject( parms->m_commandButton, parms->m_obj, parms->m_cmdSource );
			break;
		case AICMD_COMMANDBUTTON_POS:
			privateCommandButtonPosition( parms->m_commandButton, &parms->m_pos, parms->m_cmdSource );
			break;
		case AICMD_WANDER:
			privateWander( parms->m_waypoint, parms->m_cmdSource );
			break;
		case AICMD_WANDER_IN_PLACE:
			privateWanderInPlace(parms->m_cmdSource);
			break;
		case AICMD_PANIC:
			privatePanic( parms->m_waypoint, parms->m_cmdSource );
			break;
		case AICMD_BUSY:
			privateBusy( parms->m_cmdSource );
			break;
		case AICMD_MOVE_AWAY_FROM_UNIT:
			privateMoveAwayFromUnit( parms->m_obj, parms->m_cmdSource );
			break;
		default:
			DEBUG_CRASH(("unhandled AI command!"));
			break;
	}
}


//-------------------------------------------------------------------------------------------------
// AI Command Interface implementation for AIUpdateInterface
//

/**
 * Move to given position(s)
 */
void AIUpdateInterface::privateMoveToPosition( const Coord3D *pos, CommandSourceType cmdSource )
{
	if (getObject()->isMobile() == FALSE)
		return;

	//Resetting the locomotor here was initially added for scripting purposes. It has been moved
	//to the responsibility of the script to reset the locomotor before moving. This is needed because
	//other systems (like the battle drone) change the locomotor based on what it's trying to do, and
	//doesn't want to get reset when ordered to move.
	//chooseLocomotorSet(LOCOMOTORSET_NORMAL);

	getStateMachine()->clear();
	setGoalPositionClipped(pos, cmdSource);
	m_blockedFrames = 0;
	m_isBlocked = FALSE;
	m_isBlockedAndStuck = FALSE;
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( AI_MOVE_TO );

}

//-------------------------------------------------------------------------------------------------
/**
 * Move to given object
 */
void AIUpdateInterface::privateMoveToObject( Object *obj, CommandSourceType cmdSource ) 
{
	// the dead don't listen very well
	if (m_isAiDead)
		return;

	if (getObject()->isMobile() == FALSE)
		return;

	//Resetting the locomotor here was initially added for scripting purposes. It has been moved
	//to the responsibility of the script to reset the locomotor before moving. This is needed because
	//other systems (like the battle drone) change the locomotor based on what it's trying to do, and
	//doesn't want to get reset when ordered to move.
	//chooseLocomotorSet(LOCOMOTORSET_NORMAL);
	
	getStateMachine()->clear();
	getStateMachine()->setGoalObject( obj );
	m_blockedFrames = 0;
	m_isBlocked = FALSE;
	m_isBlockedAndStuck = FALSE;
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( AI_MOVE_TO );

}

//----------------------------------------------------------------------------------------
// Face a specified object -- succeed when facing
//----------------------------------------------------------------------------------------
void AIUpdateInterface::privateFaceObject( Object *obj, CommandSourceType cmdSource )
{
	if( !getObject()->isMobile() )
	{
		return;
	}

	//Resetting the locomotor here was initially added for scripting purposes. It has been moved
	//to the responsibility of the script to reset the locomotor before moving. This is needed because
	//other systems (like the battle drone) change the locomotor based on what it's trying to do, and
	//doesn't want to get reset when ordered to move.
	//chooseLocomotorSet(LOCOMOTORSET_NORMAL);

	getStateMachine()->clear();
	getStateMachine()->setGoalObject( obj );
	m_blockedFrames = 0;
	m_isBlocked = FALSE;
	m_isBlockedAndStuck = FALSE;
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( AI_FACE_OBJECT );
}

//----------------------------------------------------------------------------------------
// Face a specified position -- succeed when facing
//----------------------------------------------------------------------------------------
void AIUpdateInterface::privateFacePosition( const Coord3D *pos, CommandSourceType cmdSource )
{
	if( !getObject()->isMobile() )
	{
		return;
	}

	//Resetting the locomotor here was initially added for scripting purposes. It has been moved
	//to the responsibility of the script to reset the locomotor before moving. This is needed because
	//other systems (like the battle drone) change the locomotor based on what it's trying to do, and
	//doesn't want to get reset when ordered to move.
	//chooseLocomotorSet(LOCOMOTORSET_NORMAL);

	getStateMachine()->clear();
	setGoalPositionClipped(pos, cmdSource);
	m_blockedFrames = 0;
	m_isBlocked = FALSE;
	m_isBlockedAndStuck = FALSE;
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( AI_FACE_POSITION );
}

//----------------------------------------------------------------------------------------
// Rappel into target and devastate contents (if not empty).
// If target is null, rappel to ground.
//----------------------------------------------------------------------------------------
void AIUpdateInterface::privateRappelInto( Object *target, const Coord3D& pos, CommandSourceType cmdSource )
{

	//Resetting the locomotor here was initially added for scripting purposes. It has been moved
	//to the responsibility of the script to reset the locomotor before moving. This is needed because
	//other systems (like the battle drone) change the locomotor based on what it's trying to do, and
	//doesn't want to get reset when ordered to move.
	//chooseLocomotorSet(LOCOMOTORSET_NORMAL);

	getStateMachine()->clear();
	getStateMachine()->setGoalObject( target );
	setGoalPositionClipped(&pos, cmdSource);
	m_blockedFrames = 0;
	m_isBlocked = FALSE;
	m_isBlockedAndStuck = FALSE;
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( AI_RAPPEL_INTO );
}


//----------------------------------------------------------------------------------------
/**
 * Move to given position(s)
 * If transportExits, transport returns and deletes itself.
 */
void AIUpdateInterface::privateMoveToAndEvacuate( const Coord3D *pos, CommandSourceType cmdSource )
{
	if (getObject()->isMobile() == FALSE)
		return;

	//Resetting the locomotor here was initially added for scripting purposes. It has been moved
	//to the responsibility of the script to reset the locomotor before moving. This is needed because
	//other systems (like the battle drone) change the locomotor based on what it's trying to do, and
	//doesn't want to get reset when ordered to move.
	//chooseLocomotorSet(LOCOMOTORSET_NORMAL);

	getStateMachine()->clear();
	setGoalPositionClipped(pos, cmdSource);
	m_blockedFrames = 0;
	m_isBlocked = FALSE;
	m_isBlockedAndStuck = FALSE;
	setLastCommandSource( cmdSource );

	m_stateMachine->setState( AI_MOVE_AND_EVACUATE );
}

//----------------------------------------------------------------------------------------
/**
 * Move to given position(s)
 * If transportExits, transport returns and deletes itself.
 */
void AIUpdateInterface::privateMoveToAndEvacuateAndExit( const Coord3D *pos, CommandSourceType cmdSource )
{
	if (getObject()->isMobile() == FALSE)
		return;

	//Resetting the locomotor here was initially added for scripting purposes. It has been moved
	//to the responsibility of the script to reset the locomotor before moving. This is needed because
	//other systems (like the battle drone) change the locomotor based on what it's trying to do, and
	//doesn't want to get reset when ordered to move.
	//chooseLocomotorSet(LOCOMOTORSET_NORMAL);

	getStateMachine()->clear();
	setGoalPositionClipped(pos, cmdSource);
	m_blockedFrames = 0;
	m_isBlocked = FALSE;
	m_isBlockedAndStuck = FALSE;
	setLastCommandSource( cmdSource );

	static NameKeyType key_DeliverPayloadAIUpdate = NAMEKEY("DeliverPayloadAIUpdate");
	DeliverPayloadAIUpdate *dp = (DeliverPayloadAIUpdate*)getObject()->findUpdateModule( key_DeliverPayloadAIUpdate );
	if( dp )
	{
		dp->deliverPayloadViaModuleData( pos );
	}
	else
	{
		getStateMachine()->setState( AI_MOVE_AND_EVACUATE_AND_EXIT);
	}

}

//----------------------------------------------------------------------------------------
/**
 * Enter idle state.
 */
void AIUpdateInterface::privateIdle(CommandSourceType cmdSource)
{
	if (getObject()->isKindOf(KINDOF_PROJECTILE))
		return;

	getStateMachine()->clear();
	getStateMachine()->setState( AI_IDLE );
	setLastCommandSource( cmdSource );

	ContainModuleInterface *contain = getObject()->getContain();
	if (contain)
	{
		const ContainedItemsList* items = contain->getContainedItemsList();
		if (items)
		{
			for (ContainedItemsList::const_iterator it = items->begin(); it != items->end(); ++it)
			{
				Object* obj = *it;
				AIUpdateInterface* ai = obj ? obj->getAI() : NULL;
				if (ai)
					ai->aiIdle(cmdSource);
			}
		}
	}

}

//----------------------------------------------------------------------------------------
Bool AIUpdateInterface::isIdle() const
{
	return getStateMachine()->isInIdleState();
}

//----------------------------------------------------------------------------------------
Bool AIUpdateInterface::isAttacking() const
{
	return getStateMachine()->isInAttackState();
}

//----------------------------------------------------------------------------------------
//Definition of busy -- when explicitly in the busy state. Moving or attacking is not considered busy!
//----------------------------------------------------------------------------------------
Bool AIUpdateInterface::isBusy() const
{
	return getStateMachine()->isInBusyState();
}

//----------------------------------------------------------------------------------------
Bool AIUpdateInterface::isClearingMines() const
{
	// if we are attacking with an anti-mine weapon, we are clearing mines, regardless
	// of our target.

	if (!getObject()->testStatus(OBJECT_STATUS_IS_ATTACKING))
		return FALSE;

	const Weapon* weapon = getObject()->getCurrentWeapon();
	if (!weapon)
		return FALSE;

	if ((weapon->getAntiMask() & WEAPON_ANTI_MINE) == 0)
		return FALSE;

	return TRUE;
}

//----------------------------------------------------------------------------------------
/**
 * Take the shortest path towards pos in order to tighten up a formation
 */
void AIUpdateInterface::privateTightenToPosition( const Coord3D *pos, CommandSourceType cmdSource )
{
	if (getObject()->isMobile() == FALSE)
		return;
	getStateMachine()->clear();
	getStateMachine()->setGoalObject( NULL );
	setGoalPositionClipped(pos, cmdSource);
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( AI_MOVE_AND_TIGHTEN );
}
//----------------------------------------------------------------------------------------
/**
 * Is this moving out of the way of another unit.
 */
Bool AIUpdateInterface::isMovingAwayFrom(Object *obj)	 const
{
	ObjectID id = obj->getID();
	if (m_stateMachine->getTemporaryState() == AI_MOVE_OUT_OF_THE_WAY) {
		if (m_moveOutOfWay1 == id) return TRUE;
		if (m_moveOutOfWay2 == id) return TRUE; 
	}
	return FALSE;
}
//----------------------------------------------------------------------------------------
/**
 * Is this moving out of the way of another unit.
 */
Bool AIUpdateInterface::isMoving() const
{
	if (isIdle()) {
		return false;
	}
	if (m_locomotorGoalType != NONE) {
		return TRUE;
	}
	if (m_isMoving) {
		return TRUE;
	}
	return FALSE;
}

//----------------------------------------------------------------------------------------
/**
 * Move out of the way of another unit.
 */
void AIUpdateInterface::privateMoveAwayFromUnit( Object *unit, CommandSourceType cmdSource )
{
	// the dead don't listen very well
	if (isAiInDeadState() || (getObject()->isMobile() == FALSE) || !isAllowedToMoveAwayFromUnit()) 
	{
		return;
	}
	ObjectID id = unit->getID();
	if (m_stateMachine->getTemporaryState() == AI_MOVE_OUT_OF_THE_WAY) {
		if (m_moveOutOfWay1 == id) {
			if (m_isBlocked) {
				setIgnoreCollisionTime(LOGICFRAMES_PER_SECOND*2); // cheat for 2 seconds.
			}
			return;
		}
		if (m_moveOutOfWay2 == id) {
			if (m_isBlocked) {
				setIgnoreCollisionTime(LOGICFRAMES_PER_SECOND*2); // cheat for 2 seconds.
			}
			return;
		}
	}
	m_moveOutOfWay2 = m_moveOutOfWay1;
	m_moveOutOfWay1 = id;
	Object *obj2 = TheGameLogic->findObjectByID(m_moveOutOfWay2);
	Path *path2 = NULL;
	if (obj2 && obj2->getAI()) {
		path2 = obj2->getAI()->getPath();
	}

	Path* unitPath = NULL;
	if (unit && unit->getAI()) {
		unitPath = unit->getAI()->getPath();
	}
	if (unitPath == NULL) return;
	Path *newPath = TheAI->pathfinder()->getMoveAwayFromPath(getObject(), unit, unitPath, obj2, path2);
	if (newPath==NULL && !canPathThroughUnits())	{
		setCanPathThroughUnits(TRUE);
		newPath = TheAI->pathfinder()->getMoveAwayFromPath(getObject(), unit, unitPath, obj2, path2);
	}
		
	if (newPath) {
		destroyPath();
		m_path = newPath;
		wakeUpNow();
		m_stateMachine->setTemporaryState(AI_MOVE_OUT_OF_THE_WAY, 10*LOGICFRAMES_PER_SECOND);
		if (m_path) 
		{
	 		if( !getObject()->isKindOf(KINDOF_NO_COLLIDE))// If I don't collide with things, I don't need to tell them to get out of the way
				TheAI->pathfinder()->moveAllies(getObject(), m_path);
		}
	}

}

//----------------------------------------------------------------------------------------
/**
 * Start following the path from the given point
 */
void AIUpdateInterface::privateFollowWaypointPath( const Waypoint *way, CommandSourceType cmdSource )
{
	if (getObject()->isMobile() == FALSE)
		return;

	//Resetting the locomotor here was initially added for scripting purposes. It has been moved
	//to the responsibility of the script to reset the locomotor before moving. This is needed because
	//other systems (like the battle drone) change the locomotor based on what it's trying to do, and
	//doesn't want to get reset when ordered to move.
	//chooseLocomotorSet(LOCOMOTORSET_NORMAL);

	getStateMachine()->clear();
	getStateMachine()->setGoalWaypoint( way );
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( AI_FOLLOW_WAYPOINT_PATH_AS_INDIVIDUALS );
}

//----------------------------------------------------------------------------------------
/**
 * Start following the path from the given point
 */
void AIUpdateInterface::privateFollowWaypointPathExact( const Waypoint *way, CommandSourceType cmdSource )
{
	if (getObject()->isMobile() == FALSE)
		return;

	//Resetting the locomotor here was initially added for scripting purposes. It has been moved
	//to the responsibility of the script to reset the locomotor before moving. This is needed because
	//other systems (like the battle drone) change the locomotor based on what it's trying to do, and
	//doesn't want to get reset when ordered to move.
	//chooseLocomotorSet(LOCOMOTORSET_NORMAL);

	getStateMachine()->clear();
	getStateMachine()->setGoalWaypoint( way );
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( AI_FOLLOW_WAYPOINT_PATH_AS_INDIVIDUALS_EXACT );
}

//----------------------------------------------------------------------------------------
/**
 * Start following the path from the given point
 */
void AIUpdateInterface::privateFollowWaypointPathAsTeam( const Waypoint *way, CommandSourceType cmdSource )
{
	if (getObject()->isMobile() == FALSE)
		return;

	//Resetting the locomotor here was initially added for scripting purposes. It has been moved
	//to the responsibility of the script to reset the locomotor before moving. This is needed because
	//other systems (like the battle drone) change the locomotor based on what it's trying to do, and
	//doesn't want to get reset when ordered to move.
	//chooseLocomotorSet(LOCOMOTORSET_NORMAL);

	getStateMachine()->clear();
	getStateMachine()->setGoalWaypoint( way );
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( AI_FOLLOW_WAYPOINT_PATH_AS_TEAM );
}

//----------------------------------------------------------------------------------------
/**
 * Start following the path from the given point
 */
void AIUpdateInterface::privateFollowWaypointPathAsTeamExact( const Waypoint *way, CommandSourceType cmdSource )
{
	if (getObject()->isMobile() == FALSE)
		return;

	//Resetting the locomotor here was initially added for scripting purposes. It has been moved
	//to the responsibility of the script to reset the locomotor before moving. This is needed because
	//other systems (like the battle drone) change the locomotor based on what it's trying to do, and
	//doesn't want to get reset when ordered to move.
	//chooseLocomotorSet(LOCOMOTORSET_NORMAL);

	getStateMachine()->clear();
	getStateMachine()->setGoalWaypoint( way );
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( AI_FOLLOW_WAYPOINT_PATH_AS_TEAM_EXACT );
}

//----------------------------------------------------------------------------------------
void AIUpdateInterface::privateFollowPathAppend( const Coord3D *pos, CommandSourceType cmdSource )
{
	// We're adding a dynamic waypoint!
	Bool effectivelyMoving = isMoving() || isWaitingForPath();

	if (getAIStateType() == AI_FOLLOW_PATH && getStateMachine()->getGoalPathSize() > 0 && effectivelyMoving)
	{
		//We already have a path, so simply add the point to the end of it!
		getStateMachine()->addToGoalPath(pos);
	}
	else if (effectivelyMoving)
	{
		//Our unit is moving to a point already so simply add our waypoint after that point
		//and convert it to a waypoint command!
		std::vector<Coord3D> path;
		path.push_back( *getGoalPosition() );
		path.push_back( *pos );
		privateFollowPath( &path, NULL, cmdSource, false );
	}
	else
	{
		//Hopefully we're idle or doing something that doesn't require movement.
		std::vector<Coord3D> path;
		path.push_back( *pos );
		privateFollowPath( &path, NULL, cmdSource, false );
	}
}

//----------------------------------------------------------------------------------------
/**
 * Follow the path defined by the given array of points
 */
void AIUpdateInterface::privateFollowPath( const std::vector<Coord3D>* path, Object *ignoreObject, CommandSourceType cmdSource, Bool exitProduction )
{
	if (getObject()->isMobile() == FALSE)
		return;

	//Resetting the locomotor here was initially added for scripting purposes. It has been moved
	//to the responsibility of the script to reset the locomotor before moving. This is needed because
	//other systems (like the battle drone) change the locomotor based on what it's trying to do, and
	//doesn't want to get reset when ordered to move.
	//chooseLocomotorSet(LOCOMOTORSET_NORMAL);

	// clear current state machine
	getStateMachine()->clear();

	if (path->size()>0) {
		const Coord3D goal = (*path)[path->size()-1];
		getStateMachine()->setGoalPosition(&goal);
	}
	// set path info
	getStateMachine()->setGoalPath( path );


	// set the command source
	setLastCommandSource( cmdSource );

	ignoreObstacle(ignoreObject);

	// start us following
	getStateMachine()->setState( exitProduction ? AI_FOLLOW_EXITPRODUCTION_PATH : AI_FOLLOW_PATH );

}

//----------------------------------------------------------------------------------------
/**
 * Attack given object
 */
void AIUpdateInterface::privateAttackObject( Object *victim, Int maxShotsToFire, CommandSourceType cmdSource )
{
	//Resetting the locomotor here was initially added for scripting purposes. It has been moved
	//to the responsibility of the script to reset the locomotor before moving. This is needed because
	//other systems (like the battle drone) change the locomotor based on what it's trying to do, and
	//doesn't want to get reset when ordered to move.
	//chooseLocomotorSet(LOCOMOTORSET_NORMAL);

	if (!victim) 
	{
		// Hard to kill em if they're already dead.  jba
		return;
	}

	getStateMachine()->clear();
	getStateMachine()->setGoalObject( victim );
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( AI_ATTACK_OBJECT );

	// do this after setting it as the current state, as the max-shots-to-fire is reset in AttackState::onEnter()
	Weapon* weapon = getObject()->getCurrentWeapon();
	if (weapon)
		weapon->setMaxShotCount(maxShotsToFire);
}

//-----------------------------------------------------------------------------------------
void AIUpdateInterface::privateForceAttackObject( Object *victim, Int maxShotsToFire, CommandSourceType cmdSource )
{
	if (!victim) {
		return;
	}

	getStateMachine()->clear();
	getStateMachine()->setGoalObject( victim );
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( AI_FORCE_ATTACK_OBJECT );

	// do this after setting it as the current state, as the max-shots-to-fire is reset in AttackState::onEnter()
	Weapon* weapon = getObject()->getCurrentWeapon();
	if (weapon)
		weapon->setMaxShotCount(maxShotsToFire);
}


//----------------------------------------------------------------------------------------
/**
 * Attack the given team
 */
void AIUpdateInterface::privateAttackTeam( const Team *team, Int maxShotsToFire, CommandSourceType cmdSource )
{
	//Resetting the locomotor here was initially added for scripting purposes. It has been moved
	//to the responsibility of the script to reset the locomotor before moving. This is needed because
	//other systems (like the battle drone) change the locomotor based on what it's trying to do, and
	//doesn't want to get reset when ordered to move.
	//chooseLocomotorSet(LOCOMOTORSET_NORMAL);

	getStateMachine()->clear();
	getStateMachine()->setGoalTeam( team );
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( AI_ATTACK_SQUAD );

	// do this after setting it as the current state, as the max-shots-to-fire is reset in AttackState::onEnter()
	Weapon* weapon = getObject()->getCurrentWeapon();
	if (weapon)
		weapon->setMaxShotCount(maxShotsToFire);
}

//----------------------------------------------------------------------------------------
/**
 * Attack given spot
 */
void AIUpdateInterface::privateAttackPosition( const Coord3D *pos, Int maxShotsToFire, CommandSourceType cmdSource )
{
	//Resetting the locomotor here was initially added for scripting purposes. It has been moved
	//to the responsibility of the script to reset the locomotor before moving. This is needed because
	//other systems (like the battle drone) change the locomotor based on what it's trying to do, and
	//doesn't want to get reset when ordered to move.
	//chooseLocomotorSet(LOCOMOTORSET_NORMAL);

	Coord3D localPos = *pos;
	pos = NULL;

	// ick... rather grody hack for disarming stuff. if we attack a position,
	// but have a "continue range" for the weapon, try to find a suitable object
	// to attack first.
	Weapon* weapon = getObject()->getCurrentWeapon();
	Real continueRange = weapon ? weapon->getContinueAttackRange() : 0.0f;
	if (continueRange > 0.0f)
	{
		// ick. set this bit so we can find the mine to go target, even if stealthed. (srj)
		getObject()->setStatus( MAKE_OBJECT_STATUS_MASK( OBJECT_STATUS_IGNORING_STEALTH ) );
		PartitionFilterPossibleToAttack filterAttack(ATTACK_NEW_TARGET, getObject(), cmdSource);
		PartitionFilterSameMapStatus filterMapStatus(getObject());
		PartitionFilter *filters[] = { &filterAttack, &filterMapStatus, NULL };
		Object* victim = ThePartitionManager->getClosestObject(&localPos, continueRange, FROM_CENTER_2D, filters);
		getObject()->clearStatus( MAKE_OBJECT_STATUS_MASK( OBJECT_STATUS_IGNORING_STEALTH ) );

		if (victim)
		{
 			aiAttackObject(victim, maxShotsToFire, cmdSource);
			return;
		}
		else
		{
			// limit 'em to one shot, and fall thru.
			maxShotsToFire = 1;
		}
	}

	// if it's a contact weapon, we must be able to path to the target pos. if not, find a spot close by.
	// this fixes an obscure bug with mine-clearing: if you tell someone to clear mines and put the centerpoint
	// inside a building, the dozer/worker will just go thru the building to that spot. ick. so if you find that
	// this clause (below) is problematic, you'll probbaly have to find another way to fix this mine-clearing bug. (srj)
	if (weapon && weapon->isContactWeapon() && !isPathAvailable(&localPos))
	{
		FindPositionOptions fpOptions;
		fpOptions.minRadius = 0.0f;
		fpOptions.maxRadius = 100.0f;
		fpOptions.sourceToPathToDest = getObject();// This makes it find a place forWhom can get to.
		Coord3D tmp;
		if (ThePartitionManager->findPositionAround(&localPos, &fpOptions, &tmp))
			localPos = tmp;
	}

	getStateMachine()->clear();
	destroyPath();
	setGoalPositionClipped(&localPos, cmdSource);
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( AI_ATTACK_POSITION );


	//Set the goal object to NULL because if we are attacking a location, we need to be able to move up to it properly.
	//When this isn't set, the move aborts before getting into firing range, thus deadlocks.
	getStateMachine()->setGoalObject( NULL );

	// do this after setting it as the current state, as the max-shots-to-fire is reset in AttackState::onEnter()
	weapon = getObject()->getCurrentWeapon();
	if (weapon)
		weapon->setMaxShotCount(maxShotsToFire);
}

//----------------------------------------------------------------------------------------
/**
 * Attack move to the given location
 */
void AIUpdateInterface::privateAttackMoveToPosition( const Coord3D *pos, Int maxShotsToFire, CommandSourceType cmdSource )
{
	if (m_isAiDead || getObject()->isMobile() == FALSE)
		return;

	//Resetting the locomotor here was initially added for scripting purposes. It has been moved
	//to the responsibility of the script to reset the locomotor before moving. This is needed because
	//other systems (like the battle drone) change the locomotor based on what it's trying to do, and
	//doesn't want to get reset when ordered to move.
	//chooseLocomotorSet(LOCOMOTORSET_NORMAL);

	getStateMachine()->clear();
	setGoalPositionClipped(pos, cmdSource);
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( AI_ATTACK_MOVE_TO );

	// do this after setting it as the current state, as the max-shots-to-fire is reset in AttackState::onEnter()
	Weapon* weapon = getObject()->getCurrentWeapon();
	if (weapon)
		weapon->setMaxShotCount(maxShotsToFire);
}

//----------------------------------------------------------------------------------------
/**
 * Attack move down a given waypoint path. If asTeam is TRUE, do so as a team.
 */
void AIUpdateInterface::privateAttackFollowWaypointPath( const Waypoint *way, Int maxShotsToFire, Bool asTeam, CommandSourceType cmdSource )
{
	if (m_isAiDead || getObject()->isMobile() == FALSE)
		return;

	//Resetting the locomotor here was initially added for scripting purposes. It has been moved
	//to the responsibility of the script to reset the locomotor before moving. This is needed because
	//other systems (like the battle drone) change the locomotor based on what it's trying to do, and
	//doesn't want to get reset when ordered to move.
	//chooseLocomotorSet(LOCOMOTORSET_NORMAL);

	getStateMachine()->clear();
	getStateMachine()->setGoalWaypoint( way );
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( (asTeam ? AI_ATTACKFOLLOW_WAYPOINT_PATH_AS_TEAM : AI_ATTACKFOLLOW_WAYPOINT_PATH_AS_INDIVIDUALS) );

	// do this after setting it as the current state, as the max-shots-to-fire is reset in AttackState::onEnter()
	Weapon* weapon = getObject()->getCurrentWeapon();
	if (weapon)
		weapon->setMaxShotCount(maxShotsToFire);
}


//----------------------------------------------------------------------------------------
/**
 * Begin "seek and destroy"
 */
void AIUpdateInterface::privateHunt( CommandSourceType cmdSource )
{
	if (getObject()->isMobile() == FALSE)
		return;

	if (getObject()->isKindOf(KINDOF_PROJECTILE))
		return;

	//Resetting the locomotor here was initially added for scripting purposes. It has been moved
	//to the responsibility of the script to reset the locomotor before moving. This is needed because
	//other systems (like the battle drone) change the locomotor based on what it's trying to do, and
	//doesn't want to get reset when ordered to move.
	//chooseLocomotorSet(LOCOMOTORSET_NORMAL);

	getStateMachine()->clear();
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( AI_HUNT );
}

//----------------------------------------------------------------------------------------
/**
 * Begin "seek and destroy"
 */
void AIUpdateInterface::privateAttackArea( const PolygonTrigger *areaToGuard, CommandSourceType cmdSource )
{
	if (getObject()->isMobile() == FALSE)
		return;

	if (getObject()->isKindOf(KINDOF_PROJECTILE))
		return;

	m_areaToGuard = areaToGuard;

	//Resetting the locomotor here was initially added for scripting purposes. It has been moved
	//to the responsibility of the script to reset the locomotor before moving. This is needed because
	//other systems (like the battle drone) change the locomotor based on what it's trying to do, and
	//doesn't want to get reset when ordered to move.
	//chooseLocomotorSet(LOCOMOTORSET_NORMAL);

	getStateMachine()->clear();
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( AI_ATTACK_AREA);
}

//----------------------------------------------------------------------------------------
/**
 * Repair the given object
 */
void AIUpdateInterface::privateRepair( Object *obj, CommandSourceType cmdSource )
{

	// there is no "default" way for generic objects to repair each other
	return;
				
}

#ifdef ALLOW_SURRENDER
//----------------------------------------------------------------------------------------
/**
	* Pick up prisoner
	*/
void AIUpdateInterface::privatePickUpPrisoner( Object *prisoner, CommandSourceType cmdSource )
{

	// there is no "default" way for generic units to pick up prisoners
	return;

}
#endif

#ifdef ALLOW_SURRENDER
//----------------------------------------------------------------------------------------
/**
	* Return prisoners
	*/
void AIUpdateInterface::privateReturnPrisoners( Object *prison, CommandSourceType cmdSource )
{

	// there is no "default" way for generic units to return prisoners
	return;

}
#endif

//----------------------------------------------------------------------------------------
/**
	* Resume construction of object
	*/
void AIUpdateInterface::privateResumeConstruction( Object *obj, CommandSourceType cmdSource )
{

	// there is no "default" way for generic objects to resume construction
	return;

}

//----------------------------------------------------------------------------------------
/**
 * Get healed at the heal depot
 */
void AIUpdateInterface::privateGetHealed( Object *healDepot, CommandSourceType cmdSource )
{

  // sanity, if we can't get healed from here get outta here
	if( TheActionManager->canGetHealedAt( getObject(), healDepot, cmdSource ) == FALSE )
		return;

	// enter the heal dest for healing
	aiEnter( healDepot, cmdSource );

}

//----------------------------------------------------------------------------------------
/**
 * Get repaired at the repair depot
 */
void AIUpdateInterface::privateGetRepaired( Object *repairDepot, CommandSourceType cmdSource )
{

	// sanity, if we can't get repaired from here get out of here
	if( TheActionManager->canGetRepairedAt( getObject(), repairDepot, cmdSource ) == FALSE )
		return;

	// dock with the repair depot
	aiDock( repairDepot, cmdSource );

}

//----------------------------------------------------------------------------------------
/**
 * Enter the given object
 */
void AIUpdateInterface::privateEnter( Object *obj, CommandSourceType cmdSource )
{
	Object *me = getObject();
	if( me->isMobile() == FALSE )
		return;

	//Resetting the locomotor here was initially added for scripting purposes. It has been moved
	//to the responsibility of the script to reset the locomotor before moving. This is needed because
	//other systems (like the battle drone) change the locomotor based on what it's trying to do, and
	//doesn't want to get reset when ordered to move.
	//chooseLocomotorSet(LOCOMOTORSET_NORMAL);

	if( TheActionManager->canEnterObject( me, obj, cmdSource, DONT_CHECK_CAPACITY ) )
	{
		getStateMachine()->clear();
		getStateMachine()->setGoalObject( obj );
		setLastCommandSource( cmdSource );
		getStateMachine()->setState( AI_ENTER );
	}
}

//----------------------------------------------------------------------------------------
/**
 * Dock with the given object
 */
void AIUpdateInterface::privateDock( Object *obj, CommandSourceType cmdSource )
{
	if (getObject()->isMobile() == FALSE)
		return;

	getStateMachine()->clear();
	getStateMachine()->setGoalObject( obj );
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( AI_DOCK );
}

//----------------------------------------------------------------------------------------
void AIUpdateInterface::privateCombatDrop( Object *target, const Coord3D& pos, CommandSourceType cmdSource )
{
	DEBUG_CRASH(("default implementation, should never be called"));
	if( getObject()->getContain() )
	{
		getObject()->getContain()->removeAllContained(FALSE);
	}
}

//----------------------------------------------------------------------------------------
/**
 * Get out of whatever it is inside of
 */
void AIUpdateInterface::privateExit( Object *objectToExit, CommandSourceType cmdSource )
{
	Object *us = getObject();
	if (!objectToExit)
	{
		objectToExit = us->getContainedBy();
	}

	if (!objectToExit)
		return;

	// we must go thru this state (rather than calling exitObjectViaDoor directly!), 
	// because a few containers might need to delay to allow
	// us to exit (eg, Chinooks must land), meaning we might have to wait a bit, and coordinate
	// with the container by actually NOTIFYING it that we want to exit...
	getStateMachine()->clear();
	getStateMachine()->setGoalObject( objectToExit );
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( AI_EXIT );
}

//----------------------------------------------------------------------------------------
/**
 * Get out of whatever it is inside of
 */
void AIUpdateInterface::doQuickExit( const std::vector<Coord3D>* path )
{

	Bool locked = getStateMachine()->isLocked();
	getStateMachine()->unlock();

	// set path info
	getStateMachine()->setGoalPath( path );

	getStateMachine()->setTemporaryState( AI_FOLLOW_EXITPRODUCTION_PATH, 10*LOGICFRAMES_PER_SECOND);
	if (locked) {
		getStateMachine()->lock("Relocking in doQuickExit.");
	}
}

//----------------------------------------------------------------------------------------
/**
 * Empty its contents
 */
void AIUpdateInterface::privateEvacuate( Int exposeStealthUnits, CommandSourceType cmdSource )
{
	ContainModuleInterface *contain = getObject()->getContain();
	if( contain )
	{
		if( exposeStealthUnits )
		{
			contain->markAllPassengersDetected();
		}
		contain->orderAllPassengersToExit( cmdSource );
	}
}

// ------------------------------------------------------------------------------------------------
void AIUpdateInterface::privateExecuteRailedTransport( CommandSourceType cmdSource )
{

	// there is no default implementation for this

}

//----------------------------------------------------------------------------------------
///< life altering state change, if this AI can do it
void AIUpdateInterface::privateGoProne( const DamageInfo *damageInfo, CommandSourceType )
{
	static NameKeyType proneModuleKey = TheNameKeyGenerator->nameToKey( "ProneUpdate" );
	ProneUpdate *proneModule = (ProneUpdate *)getObject()->findUpdateModule( proneModuleKey );

	if( proneModule )
		proneModule->goProne( damageInfo );
}

//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
/**
 * Wander around
 */
void AIUpdateInterface::privateWander( const Waypoint *way, CommandSourceType cmdSource )
{
	if (getObject()->isMobile() == FALSE)
		return;

	//Resetting the locomotor here was initially added for scripting purposes. It has been moved
	//to the responsibility of the script to reset the locomotor before moving. This is needed because
	//other systems (like the battle drone) change the locomotor based on what it's trying to do, and
	//doesn't want to get reset when ordered to move.
	//chooseLocomotorSet(LOCOMOTORSET_WANDER);

	getStateMachine()->clear();
	setLastCommandSource( cmdSource );
	getStateMachine()->setGoalWaypoint( way );
	getStateMachine()->setState( AI_WANDER );
	
}

//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
/**
 * Wander around
 */
void AIUpdateInterface::privateWanderInPlace( CommandSourceType cmdSource )
{
	if (getObject()->isMobile() == FALSE)
		return;

	//Resetting the locomotor here was initially added for scripting purposes. It has been moved
	//to the responsibility of the script to reset the locomotor before moving. This is needed because
	//other systems (like the battle drone) change the locomotor based on what it's trying to do, and
	//doesn't want to get reset when ordered to move.
	//chooseLocomotorSet(LOCOMOTORSET_WANDER);

	getStateMachine()->clear();
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( AI_WANDER_IN_PLACE );
	
}

//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
/**
 * Panic
 */
void AIUpdateInterface::privatePanic( const Waypoint *way, CommandSourceType cmdSource )
{
	if (getObject()->isMobile() == FALSE)
		return;

	//Resetting the locomotor here was initially added for scripting purposes. It has been moved
	//to the responsibility of the script to reset the locomotor before moving. This is needed because
	//other systems (like the battle drone) change the locomotor based on what it's trying to do, and
	//doesn't want to get reset when ordered to move.
	//chooseLocomotorSet(LOCOMOTORSET_PANIC);
	
	getStateMachine()->clear();
	setLastCommandSource( cmdSource );
	getStateMachine()->setGoalWaypoint( way );
	getStateMachine()->setState( AI_PANIC );
	
}

//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
/**
 * Busy
 */
void AIUpdateInterface::privateBusy( CommandSourceType cmdSource )
{
	getStateMachine()->clear();
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( AI_BUSY );
}

//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
/**
 * Guard the given spot
 */
void AIUpdateInterface::privateGuardPosition( const Coord3D *pos, GuardMode guardMode, CommandSourceType cmdSource )
{
	if (getObject()->isMobile() == FALSE)
		return;

	if (getObject()->isKindOf(KINDOF_PROJECTILE))
		return;

	if (m_guardTargetType[1] == GUARDTARGET_NONE) {
		m_guardTargetType[1] = GUARDTARGET_LOCATION;
	} else {
		m_guardTargetType[0] = GUARDTARGET_LOCATION;
	}
	Coord3D adjPos = *pos;
	if (cmdSource==CMD_FROM_PLAYER) {
		// Clip to playable area.
		Region3D r;
		TheTerrainLogic->getExtent(&r);
		if (!r.isInRegionNoZ(&adjPos))
			adjPos = TheTerrainLogic->findClosestEdgePoint(&adjPos);
	}
	m_locationToGuard = adjPos;
	m_guardMode = guardMode;

	getStateMachine()->clear();
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( AI_GUARD );
}

//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
/**
 * Guard the given spot
 */
void AIUpdateInterface::privateGuardTunnelNetwork( GuardMode guardMode, CommandSourceType cmdSource )
{
	if (getObject()->isMobile() == FALSE)
		return;

	if (getObject()->isKindOf(KINDOF_PROJECTILE))
		return;

	m_guardMode = guardMode;

	getStateMachine()->clear();
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( AI_GUARD_TUNNEL_NETWORK );
}

//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
/**
 * Guard the given spot
 */
void AIUpdateInterface::privateGuardObject( Object *objectToGuard, GuardMode guardMode, CommandSourceType cmdSource )
{
	if (getObject()->isMobile() == FALSE)
		return;

	if (getObject()->isKindOf(KINDOF_PROJECTILE))
		return;

	if (m_guardTargetType[1] == GUARDTARGET_NONE) {
		m_guardTargetType[1] = GUARDTARGET_OBJECT;
	} else {
		m_guardTargetType[0] = GUARDTARGET_OBJECT;
	}
	m_guardMode = guardMode;
	m_objectToGuard = objectToGuard->getID();

	getStateMachine()->clear();
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( AI_GUARD );
}

//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
/**
 * Guard the given spot
 */
void AIUpdateInterface::privateGuardArea( const PolygonTrigger *areaToGuard, GuardMode guardMode, CommandSourceType cmdSource )
{
	if (getObject()->isMobile() == FALSE)
		return;

	if (getObject()->isKindOf(KINDOF_PROJECTILE))
		return;

	if (m_guardTargetType[1] == GUARDTARGET_NONE) {
		m_guardTargetType[1] = GUARDTARGET_AREA;
	} else {
		m_guardTargetType[0] = GUARDTARGET_AREA;
	}
	m_areaToGuard = areaToGuard;
	m_guardMode = guardMode;

	Coord3D pos;
	m_areaToGuard->getCenterPoint(&pos);
	m_locationToGuard = pos;
	m_objectToGuard = INVALID_ID; //just in case.
	getStateMachine()->clear();
	setLastCommandSource( cmdSource );
	getStateMachine()->setState( AI_GUARD );
}

//-------------------------------------------------------------------------------------------------
void AIUpdateInterface::privateHackInternet( CommandSourceType cmdSource )
{
	if (getObject()->isMobile() == FALSE)
		return;

	getStateMachine()->clear();
	setLastCommandSource( cmdSource );

	static NameKeyType key_HackInternetAIUpdate = NAMEKEY("HackInternetAIUpdate");
	HackInternetAIUpdate *ai = (HackInternetAIUpdate*)getObject()->findUpdateModule( key_HackInternetAIUpdate );
	if( ai )
	{
		ai->hackInternet();
	}
	else
	{
		DEBUG_CRASH(("Unit %s is expecting a 'Update = HackInternetAIUpdate' entry in FactionUnit.ini", getObject()->getTemplate()->getName().str() ) );
	}
}

/// if we are attacking "fromID", stop that and attack "toID" instead
void AIUpdateInterface::transferAttack(ObjectID fromID, ObjectID toID)
{
	Object *newTarget = TheGameLogic->findObjectByID( toID );

	if (m_currentVictimID == fromID)
		m_currentVictimID = toID;

	Object* goalObj = getStateMachine()->getGoalObject();
	if (goalObj && goalObj->getID() == fromID)
		getStateMachine()->setGoalObject( newTarget );
}

//----------------------------------------------------------------------------------------------------------
/**
 * Indicate who we are attacking.
 */
void AIUpdateInterface::setCurrentVictim( const Object *victim )
{
	if (victim == NULL)
	{
		// be paranoid, in case we are called from dtors, etc.
		if (m_currentVictimID != INVALID_ID)
		{
			Object* self = getObject();
			Object* target = TheGameLogic->findObjectByID(m_currentVictimID);
			if (self != NULL && target != NULL)
			{
				AIUpdateInterface* targetAI = target->getAI();
				if (targetAI)
				{
					targetAI->addTargeter(self->getID(), FALSE);
				}
			}
		}

		m_currentVictimID = INVALID_ID;
	}
	else
	{
		// we don't add a targeter here, since we usually want to defer
		// that until we are actually aiming (as opposed to, say, approaching)
		// the victim.
		m_currentVictimID = victim->getID();
	}
}

/**
 * Who is our current victim?
 */
Object *AIUpdateInterface::getCurrentVictim( void ) const
{
	if (m_currentVictimID != INVALID_ID)
		return TheGameLogic->findObjectByID( m_currentVictimID );

	return NULL;
}

// if we are attacking a position (and NOT an object), return it. otherwise return null.
const Coord3D *AIUpdateInterface::getCurrentVictimPos( void ) const
{
	if (getObject()->testStatus(OBJECT_STATUS_IS_ATTACKING))
	{
		if (m_currentVictimID == INVALID_ID)
		{
			return getStateMachine()->getGoalPosition();
		}
	}

	return NULL;
}


/**
 * Set the behavior modifier for this agent
 */
void AIUpdateInterface::setAttitude( AttitudeType tude )
{
	m_attitude = tude;
}

/**
 * Get the current behavior modifier state	
 */
AttitudeType AIUpdateInterface::getAttitude( void ) const
{
	return m_attitude;
}

/**
 * Return the current state the AI is in.
 */
AIStateType AIUpdateInterface::getAIStateType() const
{
	return (AIStateType)getStateMachine()->getCurrentStateID();
}

//-------------------------------------------------------------------------------------------------
void AIUpdateInterface::ignoreObstacle( const Object *obj )
{
	m_ignoreObstacleID = obj ? obj->getID() : INVALID_ID;
}

//-------------------------------------------------------------------------------------------------
void AIUpdateInterface::ignoreObstacleID( ObjectID id )
{
	m_ignoreObstacleID = id;
}

//-------------------------------------------------------------------------------------------------
ObjectID AIUpdateInterface::getIgnoredObstacleID( void ) const
{ 
	return m_ignoreObstacleID; 
}

//-------------------------------------------------------------------------------------------------
Object* AIUpdateInterface::getEnterTarget()
{
	AIStateType stateType = getAIStateType();

	if( stateType != AI_ENTER && 
			stateType != AI_GUARD_TUNNEL_NETWORK &&
			stateType != AI_GET_REPAIRED )
		return NULL;

	return getStateMachine()->getGoalObject();
}

//-------------------------------------------------------------------------------------------------
void AIUpdateInterface::setLastCommandSource( CommandSourceType source )
{
	m_lastCommandSource = source; 
}

//-------------------------------------------------------------------------------------------------
UnsignedInt AIUpdateInterface::getMoodMatrixValue( void ) const
{
	UnsignedInt returnVal = 0;
	// seems like a weird way to get my controlling object, but I don't see another
	if (!getStateMachine()) 
	{
		return returnVal;
	}
	
	const Object *owner = getObject();
	Player *player = owner->getControllingPlayer();

	if (!player) 
	{
		return returnVal;
	}
	
	if (player->getPlayerType() == PLAYER_HUMAN) 
	{
		returnVal |= MM_Controller_Player;
		// Human units don't have a mood.

	} 
	else 
	{
		returnVal |= MM_Controller_AI;
		switch (getAttitude())
		{
			case ATTITUDE_SLEEP:			returnVal |= MM_Mood_Sleep; break;
			case ATTITUDE_PASSIVE:		returnVal |= MM_Mood_Passive; break;
			case ATTITUDE_NORMAL:			returnVal |= MM_Mood_Normal; break;
			case ATTITUDE_ALERT:			returnVal |= MM_Mood_Alert; break;
			case ATTITUDE_AGGRESSIVE:	returnVal |= MM_Mood_Aggressive; break;
			default: 
				DEBUG_CRASH(("Unknown mood '%d' in getMoodMatrixValue. (Team '%s'). Using normal. (jkmcd)", getAttitude(), getObject()->getTeam()->getName().str() ));
				returnVal |= MM_Mood_Normal;
				break;
		}
	}

	if (getLocomotorSet().getValidSurfaces() & LOCOMOTORSURFACE_AIR) 
	{
		returnVal |= MM_UnitType_Air;
	} 
	else 
	{
		if (m_turretAI[0] != NULL) 
		{
			returnVal |= MM_UnitType_Turreted;
		} 
		else 
		{
			returnVal |= MM_UnitType_NonTurreted;
		}
	}

	return returnVal;
}

//-------------------------------------------------------------------------------------------------
UnsignedInt AIUpdateInterface::getMoodMatrixActionAdjustment( MoodMatrixAction action ) const
{
	// Angry Mob Members (but not Nexi) are never subject to moods. In particular,
	// they must never, ever, ever convert a move into an attack move, or Bad Things
	// will happend, since MobMemberSlavedUpdate expects a moveto to remain a moveto.
	// Mark L sez that members do not, in fact, need any mood adjustment whatsoever,
	// since the mood of the nexus wants to control all this anyway. Unfortunately, there
	// is no KINDOF_MOB_MEMBER, and we don't want to add one at the eleventh hour...
	// this, however, is a unique and safe combination that applies only to mob members. (srj)
	if (getObject()->isKindOf(KINDOF_INFANTRY) && getObject()->isKindOf(KINDOF_IGNORED_IN_GUI))
	{
		return MAA_Action_Ok;
	}

	UnsignedInt moodMatrix = getMoodMatrixValue();
	UnsignedInt returnVal = 0;

	if (moodMatrix & MM_Controller_Player) 
	{
		// Player-controlled units can always do actions (from a mood perspective, at any rate)
		returnVal = MAA_Action_Ok;
		return returnVal;
	}

	returnVal = MAA_Action_Ok;
	switch (action)
	{
		case MM_Action_Idle: 
		{
			switch( moodMatrix & MM_Mood_Bitmask )
			{
				case MM_Mood_Sleep:				returnVal = MAA_Action_Ok | MAA_Affect_Range_IgnoreAll; break;
				case MM_Mood_Passive:			returnVal = MAA_Action_Ok | MAA_Affect_Range_WaitForAttack; break;
				case MM_Mood_Normal:			returnVal = MAA_Action_Ok; break;
				case MM_Mood_Alert:				returnVal = MAA_Action_Ok | MAA_Affect_Range_Alert; break;
				case MM_Mood_Aggressive:	returnVal = MAA_Action_Ok | MAA_Affect_Range_Aggressive; break;
			}
			break;
		}
		case MM_Action_Move:
		{
			switch( moodMatrix & MM_Mood_Bitmask )
			{
				case MM_Mood_Sleep:				returnVal = MAA_Action_To_Idle | MAA_Affect_Range_IgnoreAll; break;
				case MM_Mood_Passive:			returnVal = MAA_Action_Ok | MAA_Affect_Range_WaitForAttack; break;
				case MM_Mood_Normal:			returnVal = MAA_Action_Ok; break;
				case MM_Mood_Alert:				returnVal = MAA_Action_To_AttackMove | MAA_Affect_Range_Alert; break;
				case MM_Mood_Aggressive:	returnVal = MAA_Action_To_AttackMove | MAA_Affect_Range_Aggressive; break;
			}
			break;
		}
		case MM_Action_Attack:
		{
			switch( moodMatrix & MM_Mood_Bitmask )
			{
				case MM_Mood_Sleep:				returnVal = MAA_Action_To_Idle | MAA_Affect_Range_IgnoreAll; break;
				case MM_Mood_Passive:			returnVal = MAA_Action_Ok; break;
				case MM_Mood_Normal:			returnVal = MAA_Action_Ok; break;
				case MM_Mood_Alert:				returnVal = MAA_Action_Ok; break;
				case MM_Mood_Aggressive:	returnVal = MAA_Action_Ok; break;
			}
			break;
		}
		case MM_Action_AttackMove:
		{
			switch( moodMatrix & MM_Mood_Bitmask )
			{
				case MM_Mood_Sleep:				returnVal = MAA_Action_To_Idle | MAA_Affect_Range_IgnoreAll; break;
				case MM_Mood_Passive:			returnVal = MAA_Action_Ok; break;
				case MM_Mood_Normal:			returnVal = MAA_Action_Ok; break;
				case MM_Mood_Alert:				returnVal = MAA_Action_Ok | MAA_Affect_Range_Alert; break;
				case MM_Mood_Aggressive:	returnVal = MAA_Action_Ok | MAA_Affect_Range_Aggressive; break;
			}
			break;
		}
	};

	return returnVal;
}

//----------------------------------------------------------------------------------------------
void AIUpdateInterface::wakeUpAndAttemptToTarget( void )
{
	if (!isIdle()) {
		return;
	}

	UnsignedInt now = TheGameLogic->getFrame();
	m_nextMoodCheckTime = now;
	m_randomlyOffsetMoodCheck = TRUE;
}

//----------------------------------------------------------------------------------------------
/**
 * Reset when we should next look for a target. Usually called by *Idle::onEnter
 */
void AIUpdateInterface::resetNextMoodCheckTime()
{
	UnsignedInt now = TheGameLogic->getFrame();
	m_nextMoodCheckTime = now + TheAI->getAiData()->m_forceIdleFramesCount;
	m_randomlyOffsetMoodCheck = TRUE;
}

//----------------------------------------------------------------------------------------------
void AIUpdateInterface::setNextMoodCheckTime( UnsignedInt frame )
{
	m_nextMoodCheckTime = frame;
	m_randomlyOffsetMoodCheck = false;
}

//----------------------------------------------------------------------------------------------
/**
 * Return the next object that our mood suggests we should attack.
 */
Object* AIUpdateInterface::getNextMoodTarget( Bool calledByAI, Bool calledDuringIdle )
{
	Object *obj = getObject();

	// if we're dead, we can't attack
	if (obj->isEffectivelyDead()) 
		return NULL;

	if (obj->testStatus(OBJECT_STATUS_IS_USING_ABILITY)) {
		return NULL;  // we are doing a special ability.  Shouldn't auto-acquire a target at this time.  jba.
	}

	const AIUpdateModuleData* d = getAIUpdateModuleData();
	
	if (calledDuringIdle)
	{
		if ((d->m_autoAcquireEnemiesWhenIdle & AAS_Idle) == 0) 
		{
			return NULL;
		}
	}

// srj sez: this should ignore calledDuringIdle, despite what the name of the bit implies.
	if (isAttacking() && BitIsSet(d->m_autoAcquireEnemiesWhenIdle, AAS_Idle_Not_While_Attacking))
	{
		return NULL;
	}

	//Check if unit is stealthed... is so we won't acquire targets unless he has
	//AutoAcquireWhenIdle = Yes Stealthed.
	if ( calledDuringIdle )
	{
		if( obj->getStatusBits().test( OBJECT_STATUS_STEALTHED ) ) 
		{
			if ((getAIUpdateModuleData()->m_autoAcquireEnemiesWhenIdle & AAS_Idle_Stealthed) == 0) 
			{
				//He's stealthed and idle, but if he's garrisoned, then that's a whole different matter....
				const Object *container = obj->getContainedBy();
				if( !container )
				{
					//Not contained
					return NULL;
				}
				if( !container->getContain()->isPassengerAllowedToFire() )
				{
					//Container doesn't allow for passenger to shoot.
					return NULL;
				}
			}
		}
	}

	UnsignedInt now = TheGameLogic->getFrame();

	// Check if team auto targets same victim.
	Object *teamVictim = NULL;
	if (calledByAI && obj->getTeam()->getPrototype()->getTemplateInfo()->m_attackCommonTarget) 
	{
		teamVictim = obj->getTeam()->getTeamTargetObject();
		if (teamVictim && getAttitude()>=ATTITUDE_NORMAL) 
			return teamVictim;
	}

	DEBUG_ASSERTCRASH(m_nextMoodCheckTime != 0, ("m_nextMoodCheckTime should never be zero here."));

	if (calledByAI)
	{
		// make sure it's time to check again.
		if (now < m_nextMoodCheckTime)
			return NULL;

		Int checkRate = d->m_moodAttackCheckRate;
		m_nextMoodCheckTime = now + checkRate;
		if (m_randomlyOffsetMoodCheck)
		{
			Int halfRate = checkRate >> 1;
			m_nextMoodCheckTime = (UnsignedInt)((Int)m_nextMoodCheckTime + GameLogicRandomValue(-halfRate, halfRate));
			m_randomlyOffsetMoodCheck = FALSE;
		}
	}

	// Use Guard Outer, which typically corresponds to the total range
	Real rangeToFindWithin = TheAI->getAdjustedVisionRangeForObject(obj, AI_VISIONFACTOR_OWNERTYPE | AI_VISIONFACTOR_MOOD);

	if (rangeToFindWithin <= 0.0f) 
		return NULL;

	//If we are contained by an object, add it's bounding radius so that large buildings can auto acquire everything in
	//outer ranges. Calculating this from the center is bad... although this code makes it possible to acquire a target
	//outside of range, but in that case, it'll just fail and continue.
	const Object *container = obj->getContainedBy();
	if( container )
	{
		rangeToFindWithin += container->getGeometryInfo().getBoundingCircleRadius();
	}

	UnsignedInt moodMatrixVal = getMoodMatrixValue();
	if ((moodMatrixVal & MM_Controller_AI) && (moodMatrixVal & MM_Mood_Passive)) 
	{
		BodyModuleInterface *bmi = obj->getBodyModule();
		if (!bmi)
			return NULL;

		return TheGameLogic->findObjectByID(bmi->getLastDamageInfo()->in.m_sourceID);
	}
	UnsignedInt flags = AI::CAN_ATTACK;
	if (TheAI->getAiData()->m_attackUsesLineOfSight) {
		if (obj->isKindOf(KINDOF_ATTACK_NEEDS_LINE_OF_SIGHT)) {
			flags |= AI::CAN_SEE;
		}
	}

	if (TheAI->getAiData()->m_attackIgnoreInsignificantBuildings) {
		flags |= AI::IGNORE_INSIGNIFICANT_BUILDINGS; 
	}
	
	if( d->m_autoAcquireEnemiesWhenIdle & AAS_Idle_Attack_Buildings )
	{
		flags |= AI::ATTACK_BUILDINGS;
	}

	// if we're called by AI, and are human controlled, then our AI will not
	// allow us to pursue the target. therefore, we should ensure that we only
	// look for targets that are already within attack range (as opposed to vision range).
	if (calledByAI && obj->getControllingPlayer()->getPlayerType() == PLAYER_HUMAN)
	{
		flags |= AI::WITHIN_ATTACK_RANGE;
	}
	
	// Instead of shroud affecting the ability to attack, it affects the ability to target.
	// The same checks apply as the old WeaponSet check (now commented out, search for getShroudedStatus)
	if( calledByAI
			&& obj->getControllingPlayer() 
			&& obj->getControllingPlayer()->getPlayerType() == PLAYER_HUMAN
		)
	{
		flags |= AI::UNFOGGED;
	}

	Object *newVictim = TheAI->findClosestEnemy(obj, rangeToFindWithin, flags, getAttackInfo());

/*
DEBUG_LOG(("GNMT frame %d: %s %08lx (con %s %08lx) uses range %f, flags %08lx, %s finds %s %08lx\n",
	now,
	obj->getTemplate()->getName().str(),
	obj,
	container ? container->getTemplate()->getName().str() : "",
	container,
	rangeToFindWithin,
	flags,
	getAttackInfo() != NULL && getAttackInfo() != TheScriptEngine->getDefaultAttackInfo() ? "ATTACKINFO," : "",
	newVictim ? newVictim->getTemplate()->getName().str() : "",
	newVictim
));
*/

	if (newVictim)
	{
		CRCDEBUG_LOG(("AIUpdateInterface::getNextMoodTarget() - %d is attacking %d\n", obj->getID(), newVictim->getID()));
/*
srj debug hack. ignore.
Int ot = getTmpValue();
if (ot!=0&&now>ot&&now-ot<=4)
ot=ot;
setTmpValue(now);
*/
	}

	return newVictim;
}

// ------------------------------------------------------------------------------------------------
// ------------------------------------------------------------------------------------------------
void AIUpdateInterface::evaluateMoraleBonus( void )
{
	Object *us = getObject();
#ifdef ALLOW_DEMORALIZE
	Bool demoralized = isDemoralized();
#endif
	Bool horde = FALSE;
	Bool nationalism = FALSE;

	// are we in a horde
	HordeUpdateInterface *hui;
	for( BehaviorModule** u = us->getBehaviorModules(); *u; ++u )
	{

		hui = (*u)->getHordeUpdateInterface();
		if( hui && hui->isInHorde() )
			horde = TRUE;

	}  // end for

	// do we have nationalism
	///@todo Find a better way to represent nationalism without hardcoding here (CBD)
	static const UpgradeTemplate *nationalismTemplate = TheUpgradeCenter->findUpgrade( "Upgrade_Nationalism" );
	DEBUG_ASSERTCRASH( nationalismTemplate != NULL, ("AIUpdateInterface::evaluateMoraleBonus - Nationalism upgrade not found\n") );
	Player *player = us->getControllingPlayer();
	if( player && player->hasUpgradeComplete( nationalismTemplate ) )
		nationalism = TRUE;

#ifdef ALLOW_DEMORALIZE
	// if we are are not demoralized we can have horde and nationalism effects
	if( demoralized == FALSE )
#endif
	{

#ifdef ALLOW_DEMORALIZE
		// demoralized
		us->clearWeaponBonusCondition( WEAPONBONUSCONDITION_DEMORALIZED );
#endif		
		
		//Lorenzen temporarily disabled, since it fights with the horde buff
		//Drawable *draw = us->getDrawable();
		//if ( draw && !us->isKindOf( KINDOF_PORTABLE_STRUCTURE ) )
		//	draw->setTerrainDecal(TERRAIN_DECAL_NONE);

		// horde
		if( horde )
		{
			us->setWeaponBonusCondition( WEAPONBONUSCONDITION_HORDE );

		}  // end if
		else
			us->clearWeaponBonusCondition( WEAPONBONUSCONDITION_HORDE );

		// nationalism
		if( nationalism )
			us->setWeaponBonusCondition( WEAPONBONUSCONDITION_NATIONALISM );
		else
			us->clearWeaponBonusCondition( WEAPONBONUSCONDITION_NATIONALISM );

	}  // end if
#ifdef ALLOW_DEMORALIZE
	else
	{

		// demoralized
		us->setWeaponBonusCondition( WEAPONBONUSCONDITION_DEMORALIZED );

		// we cannot have horde bonus condition
		us->clearWeaponBonusCondition( WEAPONBONUSCONDITION_HORDE );
		Drawable *draw = us->getDrawable();
		if( draw && !us->isKindOf( KINDOF_PORTABLE_STRUCTURE ) )
		{	
			draw->setTerrainDecal(TERRAIN_DECAL_DEMORALIZED);
		}
				
		// we cannot have nationalism bonus condition
		us->clearWeaponBonusCondition( WEAPONBONUSCONDITION_NATIONALISM );

	}  // end else
#endif

/*
	UnicodeString msg;
	msg.format( L"'%S' Horde=%d,Nationalism=%d,Demoralized=%d",
							us->getTemplate()->getName().str(), horde, nationalism, demoralized );
	TheInGameUI->message( msg );
*/

}  // end evaluateMoraleBonus

#ifdef ALLOW_DEMORALIZE
// ------------------------------------------------------------------------------------------------
// ------------------------------------------------------------------------------------------------
void AIUpdateInterface::setDemoralized( UnsignedInt durationInFrames )
{
	UnsignedInt prevDemoralizedFrames = m_demoralizedFramesLeft;

	// overwrite the previous demoralized time left
	m_demoralizedFramesLeft = durationInFrames;

	// if we turned on or turned off we need to re-evaluate our bonus conditions
	if( (prevDemoralizedFrames == 0 && m_demoralizedFramesLeft > 0) ||
			(prevDemoralizedFrames > 0 && m_demoralizedFramesLeft == 0) )
	{

		// evaluate demoralization, nationalism, and horde effect as they are all intertwined
		evaluateMoraleBonus();

	}  // end if

}
#endif

// ------------------------------------------------------------------------------------------------
// ------------------------------------------------------------------------------------------------
void AIUpdateInterface::privateCommandButton( const CommandButton *commandButton, CommandSourceType cmdSource )
{
	if( !commandButton )
	{
		return;
	}

	if (getObject()->isKindOf(KINDOF_PROJECTILE))
		return;

	//First of all, it's quite possible to get this far with an object incapable of performing such a task. Scripts will have
	//entire teams of multiple unit types and want to order units to do something... if they can, great.. if not, ignore.
	Object *owner = getObject();
	if( owner )
	{
		AIUpdateInterface *ai = owner->getAI();
		if( ai )
		{
			//Make sure the owner has the same command button.
			const CommandSet *commandSet = TheControlBar->findCommandSet( owner->getCommandSetString() );
			if( commandSet )
			{
				for( int i = 0; i < MAX_COMMANDS_PER_SET; i++ )
				{
					const CommandButton *aCommandButton = commandSet->getCommandButton(i);
					if( commandButton == aCommandButton )
					{
						//We found the matching command button so now order the unit to do what the button wants.
						switch( commandButton->getCommandType() )
						{
							//ONLY NO TARGET VIA AI BUTTONS NEED BE IMPLEMENTED HERE!
							case GUI_COMMAND_STOP:
								ai->aiIdle( cmdSource );
								break;
							default:
								if( owner->getName().isNotEmpty() )
								{
									DEBUG_ASSERTCRASH( 0, ("AIUpdate::privateCommandButton() -- unit %s ('%s'), command %s not implemented.",
										owner->getTemplate()->getName().str(), owner->getName().str(), commandButton->getTextLabel().str() ) );
								}
								else
								{
									DEBUG_ASSERTCRASH( 0, ("AIUpdate::privateCommandButton() -- unit %s, command %s not implemented.",
										owner->getTemplate()->getName().str(), commandButton->getTextLabel().str() ) );
								}
						}
					}
				}
			}
		}
	}
}

// ------------------------------------------------------------------------------------------------
// ------------------------------------------------------------------------------------------------
void AIUpdateInterface::privateCommandButtonPosition( const CommandButton *commandButton, const Coord3D *pos, CommandSourceType cmdSource )
{
	if( !commandButton )
	{
		return;
	}

	if (getObject()->isKindOf(KINDOF_PROJECTILE))
		return;

	//First of all, it's quite possible to get this far with an object incapable of performing such a task. Scripts will have
	//entire teams of multiple unit types and want to order units to do something... if they can, great.. if not, ignore.
	Object *owner = getObject();
	if( owner )
	{
		AIUpdateInterface *ai = owner->getAI();
		if( ai )
		{
			//Make sure the owner has the same command button.
			const CommandSet *commandSet = TheControlBar->findCommandSet( owner->getCommandSetString() );
			if( commandSet )
			{
				for( int i = 0; i < MAX_COMMANDS_PER_SET; i++ )
				{
					const CommandButton *aCommandButton = commandSet->getCommandButton(i);
					if( commandButton == aCommandButton )
					{
						//We found the matching command button so now order the unit to do what the button wants.
						switch( commandButton->getCommandType() )
						{
							//LOCATION BASED COMMANDS ONLY VIA AI
							case GUI_COMMAND_NONE:
							default:
								if( owner->getName().isNotEmpty() )
								{
									DEBUG_ASSERTCRASH( 0, ("AIUpdate::privateCommandButtonPosition() -- unit %s ('%s'), command %s not implemented.",
										owner->getTemplate()->getName().str(), owner->getName().str(), commandButton->getTextLabel().str() ) );
								}
								else
								{
									DEBUG_ASSERTCRASH( 0, ("AIUpdate::privateCommandButtonPosition() -- unit %s, command %s not implemented.",
										owner->getTemplate()->getName().str(), commandButton->getTextLabel().str() ) );
								}
								break;
						}
					}
				}
			}
		}
	}
}

// ------------------------------------------------------------------------------------------------
// ------------------------------------------------------------------------------------------------
void AIUpdateInterface::privateCommandButtonObject( const CommandButton *commandButton, Object *obj, CommandSourceType cmdSource )
{
	if( !commandButton )
	{
		return;
	}

	if (getObject()->isKindOf(KINDOF_PROJECTILE))
		return;

	//First of all, it's quite possible to get this far with an object incapable of performing such a task. Scripts will have
	//entire teams of multiple unit types and want to order units to do something... if they can, great.. if not, ignore.
	Object *owner = getObject();
	if( owner )
	{
		AIUpdateInterface *ai = owner->getAI();
		//Make sure the owner has the same command button.
		const CommandSet *commandSet = TheControlBar->findCommandSet( owner->getCommandSetString() );
		if( commandSet )
		{
			for( int i = 0; i < MAX_COMMANDS_PER_SET; i++ )
			{
				const CommandButton *aCommandButton = commandSet->getCommandButton(i);
				if( commandButton == aCommandButton )
				{
					//We found the matching command button so now order the unit to do what the button wants.
					switch( commandButton->getCommandType() )
					{
						//OBJECT BASED COMMANDS ONLY VIA AI
						case GUI_COMMAND_COMBATDROP:
							if( ai )
							{
								ai->aiCombatDrop( obj, *(obj->getPosition()), cmdSource );
							}
							break;
						default:
						{
							AsciiString myName = owner->getTemplate()->getName().str();
							AsciiString myNickname;
							AsciiString targetName = obj->getTemplate()->getName().str();
							AsciiString targetNickname;
							if( owner->getName().isNotEmpty() )
							{
								myNickname.format( "('%s')", owner->getName().str() );
							}
							if( obj->getName().isNotEmpty() )
							{
								targetNickname.format( "('%s')", obj->getName().str() );
							}

							DEBUG_ASSERTCRASH( 0, ("AIUpdate::privateCommandButtonPosition() -- unit %s %s, command %s at unit %s %s not implemented.",
								myName.str(), myNickname.str(), commandButton->getTextLabel().str(), targetName.str(), targetNickname.str() ) );
						}
					}
				}
			}
		}
	}
}

// ------------------------------------------------------------------------------------------------
AIGroup *AIUpdateInterface::getGroup(void)
{
	return getObject()->getGroup();
}


///////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////

// ------------------------------------------------------------------------------------------------
/** CRC */
// ------------------------------------------------------------------------------------------------
void AIUpdateInterface::crc( Xfer *x )
{
	CRCGEN_LOG(("AIUpdateInterface::crc() begin - %8.8X\n", ((XferCRC *)x)->getCRC()));
	// extend base class
	UpdateModule::crc( x );

	xfer(x);

	CRCGEN_LOG(("AIUpdateInterface::crc() end - %8.8X\n", ((XferCRC *)x)->getCRC()));

}  // end crc

// ------------------------------------------------------------------------------------------------
/** Xfer method
	* Version Info:
	* 1: Initial version */
// ------------------------------------------------------------------------------------------------
void AIUpdateInterface::xfer( Xfer *xfer )
{
  // version
  const XferVersion currentVersion = 4;
  XferVersion version = currentVersion;
  xfer->xferVersion( &version, currentVersion );
 
 // extend base class
  UpdateModule::xfer( xfer );
 
	xfer->xferUnsignedInt(&m_priorWaypointID);
	xfer->xferUnsignedInt(&m_currentWaypointID);
	xfer->xferSnapshot(m_stateMachine);
	xfer->xferBool(&m_isAiDead);
	xfer->xferBool(&m_isRecruitable);

	xfer->xferUnsignedInt(&m_nextEnemyScanTime);		
	xfer->xferObjectID(&m_currentVictimID);	
	xfer->xferReal(&m_desiredSpeed);
	xfer->xferUser(&m_lastCommandSource, sizeof(m_lastCommandSource));
	xfer->xferUser(&m_guardTargetType[0], sizeof(m_guardTargetType));
	xfer->xferUser(&m_guardTargetType[1], sizeof(m_guardTargetType));
	xfer->xferCoord3D(&m_locationToGuard);

	xfer->xferObjectID(&m_objectToGuard);

	AsciiString triggerName;
	if (m_areaToGuard) triggerName = m_areaToGuard->getTriggerName();
	xfer->xferAsciiString(&triggerName);
	if (xfer->getXferMode() == XFER_LOAD)
	{
		if (triggerName.isNotEmpty()) {
			m_areaToGuard = TheTerrainLogic->getTriggerAreaByName(triggerName);
		}
	} 

	AsciiString attackName;
	if (m_attackInfo) attackName = m_attackInfo->getName();
	xfer->xferAsciiString(&attackName);
	if (xfer->getXferMode() == XFER_LOAD)
	{
		if (attackName.isNotEmpty()) {
			m_attackInfo = TheScriptEngine->getAttackInfo(attackName);
		}
	}  

	xfer->xferInt(&m_waypointCount);
	if (m_waypointCount<0 || m_waypointCount>MAX_WAYPOINTS) {
		DEBUG_CRASH(("Invalid waypoint count %d, max = %d", m_waypointCount, MAX_WAYPOINTS));
		throw SC_INVALID_DATA;
	}
	Int i;
	for (i=0; i<m_waypointCount; i++) {
		xfer->xferCoord3D(&m_waypointQueue[i]);
	}
	xfer->xferInt(&m_waypointIndex);
	xfer->xferBool(&m_executingWaypointQueue);

	UnsignedInt id = INVALID_WAYPOINT_ID;
	if (m_completedWaypoint) {
		id = m_completedWaypoint->getID();
	}
	xfer->xferUnsignedInt(&id);
	if (xfer->getXferMode() == XFER_LOAD)
	{
		m_completedWaypoint = TheTerrainLogic->getWaypointByID(id);
	}

	xfer->xferBool(&m_waitingForPath);
	Bool gotPath = (m_path != NULL);
	xfer->xferBool(&gotPath);
	if (xfer->getXferMode() == XFER_LOAD)	{
		if (gotPath) {
			m_path = newInstance(Path);
		}
	}
	if (gotPath) {
		xfer->xferSnapshot(m_path);
	}
	xfer->xferObjectID(&m_requestedVictimID);
	xfer->xferCoord3D(&m_requestedDestination);
	xfer->xferCoord3D(&m_requestedDestination2);

	// Not needed - we will recompute paths on load.
	//xfer->xferUnsignedInt(&m_pathTimestamp);		
	
	xfer->xferObjectID(&m_ignoreObstacleID);
	xfer->xferReal(&m_pathExtraDistance);
	xfer->xferICoord2D(&m_pathfindGoalCell);
	xfer->xferICoord2D(&m_pathfindCurCell);

	// Not needed - jba.
	//Int					m_blockedFrames;						///< Number of frames we've been blocked.
	//Real				m_curMaxBlockedSpeed;				///< Max speed we can have and not run into blocking things.
	//Bool				m_isBlocked;
	//Bool				m_isBlockedAndStuck;				///< True if we are stuck & need to recompute path.
	//Bool				m_isInUpdate;
	//Bool				m_fixLocoInPostProcess;

	xfer->xferUnsignedInt(&m_ignoreCollisionsUntil);
	xfer->xferUnsignedInt(&m_queueForPathFrame);
	xfer->xferCoord3D(&m_finalPosition);
	xfer->xferBool(&m_doFinalPosition);
	xfer->xferBool(&m_isAttackPath);
	xfer->xferBool(&m_isFinalGoal);
	xfer->xferBool(&m_isApproachPath);
	xfer->xferBool(&m_isSafePath);
	xfer->xferBool(&m_movementComplete);
	xfer->xferBool(&m_isSafePath);
	xfer->xferBool(&m_upgradedLocomotors);
	xfer->xferBool(&m_canPathThroughUnits);
	xfer->xferBool(&m_randomlyOffsetMoodCheck);
	xfer->xferObjectID(&m_repulsor1);
	xfer->xferObjectID(&m_repulsor2);

	if (version < 3)
	{
		Int lastFrameMoved = 0;
		xfer->xferInt(&lastFrameMoved);
	}

	xfer->xferObjectID(&m_moveOutOfWay1);
	xfer->xferObjectID(&m_moveOutOfWay2);

	if (xfer->getXferMode() == XFER_LOAD && version < 4)
	{
		// Read in from .ini
		//LocomotorSet			m_locomotorSet;
		AsciiString setName;
		if (m_curLocomotorSet > LOCOMOTORSET_INVALID && m_curLocomotorSet < LOCOMOTORSET_COUNT) 
			setName = TheLocomotorSetNames[m_curLocomotorSet];

		xfer->xferAsciiString(&setName);

		if (setName.isNotEmpty()) 
			m_curLocomotorSet = (LocomotorSetType)INI::scanIndexList(setName.str(), TheLocomotorSetNames);

		m_fixLocoInPostProcess = TRUE;
	}
	else
	{
		if (xfer->getXferMode() == XFER_LOAD)
		{
			// our ctor choose a NORMAL set for us. it's simpler
			// to simply clear out whatever we have here and allow 
			// xferSelfAndCurLocoPtr() to continue to require a pristine,
			// empty set. (srj)
			m_locomotorSet.clear();
			m_curLocomotor = NULL;
		}
		m_locomotorSet.xferSelfAndCurLocoPtr(xfer, &m_curLocomotor);
		xfer->xferUser(&m_curLocomotorSet, sizeof(m_curLocomotorSet));
	}

	xfer->xferUser(&m_locomotorGoalType, sizeof(m_locomotorGoalType));
	xfer->xferCoord3D(&m_locomotorGoalData);

	for (i=0; i<MAX_TURRETS; i++) {
		if (m_turretAI[i]) {
			xfer->xferSnapshot(m_turretAI[i]);
		}
	}
	xfer->xferUser(&m_turretSyncFlag, sizeof(m_turretSyncFlag));
	xfer->xferUser(&m_attitude, sizeof(m_attitude));

	xfer->xferUnsignedInt(&m_nextMoodCheckTime);
	if (version == 1)	
	{
		// surrender + demoralize
#ifdef ALLOW_DEMORALIZE
		xfer->xferUnsignedInt(&m_demoralizedFramesLeft);
#else
		UnsignedInt demoralizedFramesLeft = 0;
		xfer->xferUnsignedInt(&demoralizedFramesLeft);
#endif
#ifdef ALLOW_SURRENDER
		xfer->xferUnsignedInt(&m_surrenderedFramesLeft);
		xfer->xferInt(&m_surrenderedPlayerIndex);
#else
		UnsignedInt surrenderedFramesLeft = 0;
		Int surrenderedPlayerIndex = 0;
		xfer->xferUnsignedInt(&surrenderedFramesLeft);
		xfer->xferInt(&surrenderedPlayerIndex);
#endif
	}
	else if (version == 2)
	{
#ifdef ALLOW_SURRENDER
		DEBUG_CRASH(("fix me ALLOW_SURRENDER"));	// should not happen
#endif
		// demoralize only
#ifdef ALLOW_DEMORALIZE
		xfer->xferUnsignedInt(&m_demoralizedFramesLeft);
#else
		UnsignedInt tmp0 = 0;
		xfer->xferUnsignedInt(&tmp0);
#endif
	}
	else
	{
		// else no surrender or demoralize
#ifdef ALLOW_SURRENDER
		DEBUG_CRASH(("fix me ALLOW_SURRENDER"));	// should not happen
#endif
#ifdef ALLOW_DEMORALIZE
		DEBUG_CRASH(("fix me ALLOW_DEMORALIZE"));	// should not happen
#endif
	}

	xfer->xferObjectID(&m_crateCreated);
	if (version < 3)
	{
		Int repulsorCountdown = 0;
		xfer->xferInt(&repulsorCountdown);
	}

}  // end xfer

// ------------------------------------------------------------------------------------------------
/** Load post process */
// ------------------------------------------------------------------------------------------------
void AIUpdateInterface::loadPostProcess( void )
{
	UpdateModule::loadPostProcess();

	if (m_fixLocoInPostProcess && m_curLocomotorSet!=LOCOMOTORSET_INVALID) 
	{
		m_fixLocoInPostProcess = FALSE;

		LocomotorSetType lst = m_curLocomotorSet;
		// Set the current to invalid, because chooseLocomotorSet aborts if it is already set to the desired value.
		m_curLocomotorSet = LOCOMOTORSET_INVALID;
		chooseLocomotorSet(lst);
	}

	if (!isMoving()) {
		m_pathfindGoalCell.x = -1;
		m_pathfindGoalCell.y = -1;
		TheAI->pathfinder()->updateGoal(getObject(), getObject()->getPosition(), getObject()->getLayer());
		m_pathfindCurCell.x = -1;
		m_pathfindCurCell.y = -1;
		TheAI->pathfinder()->updatePos(getObject(), getObject()->getPosition());
	}	else {
		if (m_pathfindGoalCell.x >= 0 && m_pathfindGoalCell.y >= 0) {
			Coord3D goalPos;
			goalPos.x = m_pathfindGoalCell.x * PATHFIND_CELL_SIZE_F + PATHFIND_CELL_SIZE_F*0.5f;
			goalPos.y = m_pathfindGoalCell.y * PATHFIND_CELL_SIZE_F + PATHFIND_CELL_SIZE_F*0.5f;
			m_pathfindGoalCell.x = -1;
			m_pathfindGoalCell.y = -1;
			TheAI->pathfinder()->updateGoal(getObject(), &goalPos, getObject()->getLayer());
		}
	}

}  // end loadPostProcess

// ------------------------------------------------------------------------------------------------
// ------------------------------------------------------------------------------------------------
Int AIUpdateInterface::friend_getWaypointGoalPathSize() const 
{ 
			//
			// it is VERY IMPORTANT to check for the current state type as being follow-path, 
			// because "getGoalPath" and friends are used for other things (eg, jet takeoff and landing).
			// if you don't do this check, you will end up with really bizarre behavior in obscure jet-related
			// cases, and our users will all laugh at us.
			//
			// the goalpath should really be completely private, but at this point, this ugly scheme
			// has to be lived with. (srj)
			//
	if (getAIStateType() != AI_FOLLOW_PATH)
		return 0;

	return getStateMachine()->getGoalPathSize(); 
}