KF2-Server-Extension/ServerExt/Classes/Ext_AICommandBasePet.uc

class Ext_AICommandBasePet extends AICommand_Base_Zed;

var transient Pawn OwnerPawn;
var transient float NextSightCheckTime;

final function vector PickPointNearOwner()
{
	local byte i;
	local vector V,HL,HN,Start;
	
	Start = OwnerPawn.Location;
	if (OwnerPawn.Physics==PHYS_Falling)
	{
		if (Pawn.Trace(HL,HN,OwnerPawn.Location-vect(0,0,5000),OwnerPawn.Location,false,vect(20,20,60))!=None)
			Start = HL;
	}
	while (true)
	{
		++i;
		V.X = FRand()-0.5;
		V.Y = FRand()-0.5;
		V = Start + Normal2D(V) * (100.f+FRand()*500.f);
		
		if (i<20 && !FastTrace(V,Start)) // Destination is inside a wall.
			continue;
		
		if (i<20 && FastTrace(V-vect(0,0,100),V)) // Destination is above a pit.
			continue;
		break;
	}
	OwnerPawn = None;
	return V;
}

final function bool CanSeeOwner()
{
	local Pawn P;
	
	NextSightCheckTime = WorldInfo.TimeSeconds+1.f + FRand();
	P = Ext_T_MonsterPRI(PlayerReplicationInfo)!=None ? Ext_T_MonsterPRI(PlayerReplicationInfo).OwnerController.Pawn : None;
	if (P!=None && !LineOfSightTo(P))
		return false;
	return true;
}

state ZedBaseCommand
{
Begin:
	if (Pawn.Physics == PHYS_Falling)
	{
		DisableMeleeRangeEventProbing();
		WaitForLanding();
	}
	EnableMeleeRangeEventProbing();
	// Check for any interrupt transitions
	CheckInterruptCombatTransitions();

	// Select nearest enemy if current enemy is invalid
	if (Enemy == none || Enemy.Health <= 0 || !IsValidAttackTarget(KFPawn(Enemy)))
		SelectEnemy();

	// Handle special case if I'm supposed to be attacking a door
	if (DoorEnemy != none && DoorEnemy.Health > 0 && VSizeSq(DoorEnemy.Location - Pawn.Location) < (DoorMeleeDistance * DoorMeleeDistance)) //200UU
	{
		`AILog(self$" DoorEnemy: "$DoorEnemy$" starting melee attack", 'Command_Base');
		UpdateHistoryString("[Attacking : "$DoorEnemy$" at "$WorldInfo.TimeSeconds$"]");
		class'AICommand_Attack_Melee'.static.Melee(Outer, DoorEnemy);
	}
	
	// See if we are close to our owner
RecheckOwner:
	OwnerPawn = None;
	if (Ext_T_MonsterPRI(PlayerReplicationInfo) != None
	&& Ext_T_MonsterPRI(PlayerReplicationInfo).OwnerController != None)
	{
		OwnerPawn = Ext_T_MonsterPRI(PlayerReplicationInfo).OwnerController.Pawn;
	}
	if (OwnerPawn != None)
	{
		if (Enemy!=None && LineOfSightTo(OwnerPawn) && LineOfSightTo(Enemy)) // We have sight to our owner and can see enemy, go for it!
		{
			OwnerPawn = None;
			
			bWaitingOnMovementPlugIn = true;
			SetEnemyMoveGoal(self, true,,, ShouldAttackWhileMoving());
			NextSightCheckTime = WorldInfo.TimeSeconds+2.f;
			while (bWaitingOnMovementPlugIn && bUsePluginsForMovement)
			{
				if (NextSightCheckTime<WorldInfo.TimeSeconds && !CanSeeOwner())
				{
					ClearMovementInfo();
					GoTo'RecheckOwner';
				}
				Sleep(0.03);
			}
		}
		else if (VSizeSq(OwnerPawn.Location-Pawn.Location)>640000.f || !LineOfSightTo(OwnerPawn)) // 800.f - Need to move closer to our owner.
		{
			bWaitingOnMovementPlugIn = true;
			SetMovePoint(PickPointNearOwner(),OwnerPawn,,300.f);

			while (bWaitingOnMovementPlugIn && bUsePluginsForMovement)
			{
				Sleep(0.03);
			}
		}
		else // Standing next to our owner.
		{
			OwnerPawn = None;
			Sleep(0.2+FRand()*0.5);
		}
	}
	else if (IsValidAttackTarget(KFPawn(Enemy)))
	{
		`AILog("Calling SetEnemyMoveGoal [Dist:"$VSize(Enemy.Location - Pawn.Location)$"] using offset of "$AttackRange$", because IsWithinBasicMeleeRange() returned false ", 'Command_Base');
		bWaitingOnMovementPlugIn = true;
		SetEnemyMoveGoal(self, true,,, ShouldAttackWhileMoving());

		while (bWaitingOnMovementPlugIn && bUsePluginsForMovement)
		{
			Sleep(0.03);
		}
		`AiLog("Back from waiting for the movement plug in!!!");

		if (Enemy == none)
		{
			Sleep(FRand() + 0.1f);
			Goto('Begin');
		}
	}
	else
	{
		`AILog("Enemy is invalid melee target" @ Enemy, 'Command_Base');
		bFailedToMoveToEnemy = true;
	}

	// Check combat transitions
	CheckCombatTransition();
	if (bFailedToMoveToEnemy)
	{
		if (bFailedPathfind)
		{
			bFailedPathfind = false;
			Sleep(0.f);
		}
		else
		{
			Sleep(0.f);
		}
		SetEnemy(GetClosestEnemy(Enemy));
	}
	else
	{
		Sleep(0.f);
	}
	Goto('Begin');
}

DefaultProperties
{
}