source-engine/game/server/swarm/asw_buzzer.h

#ifndef _INLCUDED_ASW_BUZZER_H
#define _INLCUDED_ASW_BUZZER_H
#ifdef _WIN32
#pragma once
#endif

#include "ai_basenpc_physicsflyer.h"
#include "Sprite.h"
#include "SpriteTrail.h"
#include "player_pickup.h"
#include "iasw_spawnable_npc.h"
#include "asw_lag_compensation.h"
#include "asw_shareddefs.h"

// Start with the engine off and folded up.
#define SF_ASW_BUZZER_NO_DAMAGE_EFFECTS	(1 << 17)
#define SF_ASW_BUZZER_USE_AIR_NODES		(1 << 18)
#define SF_ASW_BUZZER_NO_DANGER_SOUNDS		(1 << 20)

//-----------------------------------------------------------------------------
// Attachment points.
//-----------------------------------------------------------------------------
#define	ASW_BUZZER_GIB_HEALTH				30
#define	ASW_BUZZER_INACTIVE_HEALTH			25
#define	ASW_BUZZER_MAX_SPEED				300

//-----------------------------------------------------------------------------
// Movement parameters.
//-----------------------------------------------------------------------------
#define ASW_BUZZER_WAYPOINT_DISTANCE		25	// Distance from waypoint that counts as arrival.

class CSprite;
class CSoundPatch;
class CASW_AI_Senses;
struct envelopePoint_t;

class CASW_Buzzer : public CAI_BasePhysicsFlyingBot, public IASW_Spawnable_NPC
{
DECLARE_CLASS( CASW_Buzzer, CAI_BasePhysicsFlyingBot );
DECLARE_SERVERCLASS();

public:
	CASW_Buzzer();
	virtual ~CASW_Buzzer();

	Class_T		Classify( void ) { return (Class_T) CLASS_ASW_BUZZER; }

	bool			CorpseGib( const CTakeDamageInfo &info );
	void			Event_Dying(void);
	void			Event_Killed( const CTakeDamageInfo &info );
	int				OnTakeDamage_Alive( const CTakeDamageInfo &info );
	int				OnTakeDamage_Dying( const CTakeDamageInfo &info );
	void			TraceAttack( const CTakeDamageInfo &info, const Vector &vecDir, trace_t *ptr);
	void			ASWTraceBleed( float flDamage, const Vector &vecDir, trace_t *ptr, int bitsDamageType );
	void			TranslateNavGoal( CBaseEntity *pEnemy, Vector &chasePosition );
	float			GetDefaultNavGoalTolerance();
	virtual void	Freeze( float flFreezeAmount, CBaseEntity *pFreezer, Ray_t *pFreezeRay );
	virtual bool	ShouldBecomeStatue( void );

	void			OnStateChange( NPC_STATE OldState, NPC_STATE NewState );

	virtual bool	CreateVPhysics( void );

	virtual void	DeathSound( const CTakeDamageInfo &info );
	virtual void	PainSound( const CTakeDamageInfo &info );
	virtual bool	ShouldGib( const CTakeDamageInfo &info );

	Activity		NPC_TranslateActivity( Activity baseAct );
	virtual int		TranslateSchedule( int scheduleType );
	int				MeleeAttack1Conditions ( float flDot, float flDist );

	bool			OverrideMove(float flInterval);
	void			MoveToTarget(float flInterval, const Vector &MoveTarget);
	virtual void	TurnHeadToTarget( float flInterval, const Vector &moveTarget );
	void			MoveExecute_Alive(float flInterval);
	void			MoveExecute_Dead(float flInterval);
	int				MoveCollisionMask(void);

	void			TurnHeadRandomly( float flInterval );


	void			StartEngine( bool fStartSound );

	virtual Vector	BodyTarget( const Vector &posSrc, bool bNoisy = true ) { return WorldSpaceCenter(); }

	virtual float	GetHeadTurnRate( void ) { return 45.0f; } // Degrees per second

	void			CheckCollisions(float flInterval);
	virtual void	GatherEnemyConditions( CBaseEntity *pEnemy );
	void			PlayFlySound(void);
	virtual void	StopLoopingSounds(void);

	void			Precache(void);
	void			RunTask( const Task_t *pTask );
	void			Spawn(void);
	virtual void	OnRestore();
	void			Activate();
	void			StartTask( const Task_t *pTask );

	void			BladesInit();
	void			SoundInit( void );
	void			StartEye( void );
	
	bool			HandleInteraction(int interactionType, void* data, CBaseCombatCharacter* sourceEnt);

	void			PostNPCInit( void );

	void			GatherConditions();
	void			PrescheduleThink( void );

	void			FlapWings(float flInterval);

	void			Slice( CBaseEntity *pHitEntity, float flInterval, trace_t &tr );
	void			Bump( CBaseEntity *pHitEntity, float flInterval, trace_t &tr );
	void			Splash( const Vector &vecSplashPos );

	float			ManhackMaxSpeed( void );
	virtual void	VPhysicsShadowCollision( int index, gamevcollisionevent_t *pEvent );
	void			VPhysicsCollision( int index, gamevcollisionevent_t *pEvent );
	void			HitPhysicsObject( CBaseEntity *pOther );
	virtual void	ClampMotorForces( Vector &linear, AngularImpulse &angular );
	
	void			InputDisableSwarm( inputdata_t &inputdata );	

	virtual	bool		AllowedToIgnite( void ) { return true; }	

	float GetMaxEnginePower();

	virtual void	InputPowerdown( inputdata_t &inputdata )
	{
		m_iHealth = 0;
	}

	enum BuzzerConditions
	{
		COND_ASW_BUZZER_START_ATTACK = BaseClass::NEXT_CONDITION,	// We are able to do a bombing run on the current enemy.
		NEXT_CONDITION,
	};

	DEFINE_CUSTOM_AI;

	DECLARE_DATADESC();

	// IASW_Spawnable_NPC implementation
	CHandle<CASW_Base_Spawner> m_hSpawner;
	virtual void SetAlienOrders(AlienOrder_t Orders, Vector vecOrderSpot, CBaseEntity* pOrderObject);
	AlienOrder_t GetAlienOrders();
	virtual void ClearAlienOrders();
	virtual int SelectAlienOrdersSchedule();
	virtual void OnMovementComplete();
	virtual int SelectSchedule();
	virtual void IgnoreMarines(bool bIgnoreMarines);

	AlienOrder_t m_AlienOrders;
	Vector m_vecAlienOrderSpot;
	EHANDLE m_AlienOrderObject;
	bool m_bIgnoreMarines;
	bool m_bFailedMoveTo;

	virtual void SetHealthByDifficultyLevel();

	void SetSpawner(CASW_Base_Spawner* spawner);
	CAI_BaseNPC* GetNPC() { return this; }
	virtual bool CanStartBurrowed() { return false; }
	virtual void StartBurrowed() { }
	virtual void SetUnburrowActivity( string_t iszActivityName ) { }
	virtual void SetUnburrowIdleActivity( string_t iszActivityName ) { }
	virtual void MoveAside() { }
	virtual void ASW_Ignite( float flFlameLifetime, float flSize, CBaseEntity *pAttacker, CBaseEntity *pDamagingWeapon = NULL );
	virtual void ElectroStun( float flStunTime );
	virtual void Extinguish();
	CNetworkVar(bool, m_bOnFire);
	virtual void OnSwarmSensed(int iDistance);
	virtual void OnSwarmSenseEntity(CBaseEntity* pEnt) { }
	virtual void SetHoldoutAlien() { m_bHoldoutAlien = true; }
	virtual bool IsHoldoutAlien() { return m_bHoldoutAlien; }

	void NPCInit();
	CAI_Senses* CreateSenses();
	CASW_AI_Senses* GetASWSenses();
	void SetDistSwarmSense( float flDistSense );

	virtual void Ignite( float flFlameLifetime, bool bNPCOnly = true, float flSize = 0.0f, bool bCalledByLevelDesigner = false );
	void MoanSound( envelopePoint_t *pEnvelope, int iEnvelopeSize );

	virtual void NPCThink();
	CASW_Lag_Compensation m_LagCompensation;

private:

	bool IsInEffectiveTargetZone( CBaseEntity *pTarget );
	void MaintainGroundHeight( void );

	void StartBurst( const Vector &vecDirection );
	void StopBurst( bool bInterruptSchedule = false );

	void ShowHostile( bool hostile = true );

	bool IsFlyingActivity( Activity baseAct );

	// Computes the slice bounce velocity
	void ComputeSliceBounceVelocity( CBaseEntity *pHitEntity, trace_t &tr );

	// Take damage from a vehicle: 
	void TakeDamageFromVehicle( int index, gamevcollisionevent_t *pEvent );

	// Take damage from physics impacts
	void TakeDamageFromPhysicsImpact( int index, gamevcollisionevent_t *pEvent );

	void StartLoitering( const Vector &vecLoiterPosition );
	void StopLoitering() { m_vecLoiterPosition = vec3_invalid; m_fTimeNextLoiterPulse = gpGlobals->curtime; }
	bool IsLoitering() { return m_vecLoiterPosition != vec3_invalid; }
	void Loiter();

	//
	// Movement variables.
	//

	Vector			m_vForceVelocity;		// Someone forced me to move

	Vector			m_vTargetBanking;

	Vector			m_vForceMoveTarget;		// Will fly here
	float			m_fForceMoveTime;		// If time is less than this
	Vector			m_vSwarmMoveTarget;		// Will fly here
	float			m_fSwarmMoveTime;		// If time is less than this
	float			m_fEnginePowerScale;	// scale all thrust by this amount (usually 1.0!)

	float			m_flNextEngineSoundTime;
	float			m_flEngineStallTime;

	float			m_flNextBurstTime;
	float			m_flBurstDuration;
	Vector			m_vecBurstDirection;

	float			m_flWaterSuspendTime;
	int				m_nLastSpinSound;

	float			m_flLastDamageTime;

	// physics influence
	CHandle<CBasePlayer>	m_hPhysicsAttacker;
	float					m_flLastPhysicsInfluenceTime;	

	bool			m_bDirtyPitch; // indicates whether we want the sound pitch updated.(sjb)
	bool			m_bShowingHostile;

	bool			m_bBladesActive;
	float			m_flWingFlapSpeed;

	int				m_iPanel1;
	int				m_iPanel2;
	int				m_iPanel3;
	int				m_iPanel4;

	int				m_nLastWaterLevel;
	bool			m_bDoSwarmBehavior;
	bool			m_bGib;

	bool			m_bHeld;
	Vector			m_vecLoiterPosition;
	float			m_fTimeNextLoiterPulse;
	float			m_fSuicideTime;

	float	m_fNextPainSound;
	CSoundPatch	*m_pMoanSound;
	float m_flMoanPitch;
	float m_flNextMoanSound;
	bool m_bHoldoutAlien;

	CNetworkVar( int,	m_nEnginePitch1 );	
	CNetworkVar( float,	m_flEnginePitch1Time );	

	// moving slow from stun grenades
	float m_fHurtSlowMoveTime;
	float m_flElectroStunSlowMoveTime;
	CNetworkVar(bool, m_bElectroStunned);
};

#endif	//_INLCUDED_ASW_BUZZER_H