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game/server/hl2/weapon_rpg.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef WEAPON_RPG_H
+#define WEAPON_RPG_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "basehlcombatweapon.h"
+#include "Sprite.h"
+#include "npcevent.h"
+#include "beam_shared.h"
+
+class CWeaponRPG;
+class CLaserDot;
+class RocketTrail;
+ 
+//###########################################################################
+//	>> CMissile		(missile launcher class is below this one!)
+//###########################################################################
+class CMissile : public CBaseCombatCharacter
+{
+	DECLARE_CLASS( CMissile, CBaseCombatCharacter );
+
+public:
+	static const int EXPLOSION_RADIUS = 200;
+
+	CMissile();
+	~CMissile();
+
+#ifdef HL1_DLL
+	Class_T Classify( void ) { return CLASS_NONE; }
+#else
+	Class_T Classify( void ) { return CLASS_MISSILE; }
+#endif
+	
+	void	Spawn( void );
+	void	Precache( void );
+	void	MissileTouch( CBaseEntity *pOther );
+	void	Explode( void );
+	void	ShotDown( void );
+	void	AccelerateThink( void );
+	void	AugerThink( void );
+	void	IgniteThink( void );
+	void	SeekThink( void );
+	void	DumbFire( void );
+	void	SetGracePeriod( float flGracePeriod );
+
+	int		OnTakeDamage_Alive( const CTakeDamageInfo &info );
+	void	Event_Killed( const CTakeDamageInfo &info );
+	
+	virtual float	GetDamage() { return m_flDamage; }
+	virtual void	SetDamage(float flDamage) { m_flDamage = flDamage; }
+
+	unsigned int PhysicsSolidMaskForEntity( void ) const;
+
+	CHandle<CWeaponRPG>		m_hOwner;
+
+	static CMissile *Create( const Vector &vecOrigin, const QAngle &vecAngles, edict_t *pentOwner );
+
+	void CreateDangerSounds( bool bState ){ m_bCreateDangerSounds = bState; }
+
+	static void AddCustomDetonator( CBaseEntity *pEntity, float radius, float height = -1 );
+	static void RemoveCustomDetonator( CBaseEntity *pEntity );
+
+protected:
+	virtual void DoExplosion();	
+	virtual void ComputeActualDotPosition( CLaserDot *pLaserDot, Vector *pActualDotPosition, float *pHomingSpeed );
+	virtual int AugerHealth() { return m_iMaxHealth - 20; }
+
+	// Creates the smoke trail
+	void CreateSmokeTrail( void );
+
+	// Gets the shooting position 
+	void GetShootPosition( CLaserDot *pLaserDot, Vector *pShootPosition );
+
+	CHandle<RocketTrail>	m_hRocketTrail;
+	float					m_flAugerTime;		// Amount of time to auger before blowing up anyway
+	float					m_flMarkDeadTime;
+	float					m_flDamage;
+
+	struct CustomDetonator_t
+	{
+		EHANDLE hEntity;
+		float radiusSq;
+		float halfHeight;
+	};
+
+	static CUtlVector<CustomDetonator_t> gm_CustomDetonators;
+
+private:
+	float					m_flGracePeriodEndsAt;
+	bool					m_bCreateDangerSounds;
+
+	DECLARE_DATADESC();
+};
+
+
+//-----------------------------------------------------------------------------
+// Laser dot control
+//-----------------------------------------------------------------------------
+CBaseEntity *CreateLaserDot( const Vector &origin, CBaseEntity *pOwner, bool bVisibleDot );
+void SetLaserDotTarget( CBaseEntity *pLaserDot, CBaseEntity *pTarget );
+void EnableLaserDot( CBaseEntity *pLaserDot, bool bEnable );
+
+
+//-----------------------------------------------------------------------------
+// Specialized mizzizzile
+//-----------------------------------------------------------------------------
+class CAPCMissile : public CMissile
+{
+	DECLARE_CLASS( CMissile, CMissile );
+	DECLARE_DATADESC();
+
+public:
+	static CAPCMissile *Create( const Vector &vecOrigin, const QAngle &vecAngles, const Vector &vecVelocity, CBaseEntity *pOwner );
+
+	CAPCMissile();
+	~CAPCMissile();
+	void	IgniteDelay( void );
+	void	AugerDelay( float flDelayTime );
+	void	ExplodeDelay( float flDelayTime );
+	void	DisableGuiding();
+#if defined( HL2_DLL )
+	virtual Class_T Classify ( void ) { return CLASS_COMBINE; }
+#endif
+
+	void	AimAtSpecificTarget( CBaseEntity *pTarget );
+	void	SetGuidanceHint( const char *pHintName );
+
+	void	APCSeekThink( void );
+
+	CAPCMissile			*m_pNext;
+
+protected:
+	virtual void DoExplosion();	
+	virtual void ComputeActualDotPosition( CLaserDot *pLaserDot, Vector *pActualDotPosition, float *pHomingSpeed );
+	virtual int AugerHealth();
+
+private:
+	void Init();
+	void ComputeLeadingPosition( const Vector &vecShootPosition, CBaseEntity *pTarget, Vector *pLeadPosition );
+	void BeginSeekThink();
+	void AugerStartThink();
+	void ExplodeThink();
+	void APCMissileTouch( CBaseEntity *pOther );
+
+	float	m_flReachedTargetTime;
+	float	m_flIgnitionTime;
+	bool	m_bGuidingDisabled;
+	float   m_flLastHomingSpeed;
+	EHANDLE m_hSpecificTarget;
+	string_t m_strHint;
+};
+
+
+//-----------------------------------------------------------------------------
+// Finds apc missiles in cone
+//-----------------------------------------------------------------------------
+CAPCMissile *FindAPCMissileInCone( const Vector &vecOrigin, const Vector &vecDirection, float flAngle );
+
+
+//-----------------------------------------------------------------------------
+// RPG
+//-----------------------------------------------------------------------------
+class CWeaponRPG : public CBaseHLCombatWeapon
+{
+	DECLARE_CLASS( CWeaponRPG, CBaseHLCombatWeapon );
+public:
+
+	CWeaponRPG();
+	~CWeaponRPG();
+
+	DECLARE_SERVERCLASS();
+
+	void	Precache( void );
+
+	void	PrimaryAttack( void );
+	virtual float GetFireRate( void ) { return 1; };
+	void	ItemPostFrame( void );
+
+	void	Activate( void );
+	void	DecrementAmmo( CBaseCombatCharacter *pOwner );
+
+	bool	Deploy( void );
+	bool	Holster( CBaseCombatWeapon *pSwitchingTo = NULL );
+	bool	Reload( void );
+	bool	WeaponShouldBeLowered( void );
+	bool	Lower( void );
+
+	virtual void Drop( const Vector &vecVelocity );
+
+	int		GetMinBurst() { return 1; }
+	int		GetMaxBurst() { return 1; }
+	float	GetMinRestTime() { return 4.0; }
+	float	GetMaxRestTime() { return 4.0; }
+
+	bool	WeaponLOSCondition( const Vector &ownerPos, const Vector &targetPos, bool bSetConditions );
+	int		WeaponRangeAttack1Condition( float flDot, float flDist );
+
+	void	Operator_HandleAnimEvent( animevent_t *pEvent, CBaseCombatCharacter *pOperator );
+	void	StartGuiding( void );
+	void	StopGuiding( void );
+	void	ToggleGuiding( void );
+	bool	IsGuiding( void );
+
+	void	NotifyRocketDied( void );
+
+	bool	HasAnyAmmo( void );
+
+	void	SuppressGuiding( bool state = true );
+
+	void	CreateLaserPointer( void );
+	void	UpdateLaserPosition( Vector vecMuzzlePos = vec3_origin, Vector vecEndPos = vec3_origin );
+	Vector	GetLaserPosition( void );
+	void	StartLaserEffects( void );
+	void	StopLaserEffects( void );
+	void	UpdateLaserEffects( void );
+
+	// NPC RPG users cheat and directly set the laser pointer's origin
+	void	UpdateNPCLaserPosition( const Vector &vecTarget );
+	void	SetNPCLaserPosition( const Vector &vecTarget );
+	const Vector &GetNPCLaserPosition( void );
+
+	int		CapabilitiesGet( void ) { return bits_CAP_WEAPON_RANGE_ATTACK1; }
+
+	virtual const Vector& GetBulletSpread( void )
+	{
+		static Vector cone = VECTOR_CONE_3DEGREES;
+		return cone;
+	}
+	
+	CBaseEntity *GetMissile( void ) { return m_hMissile; }
+
+	DECLARE_ACTTABLE();
+	DECLARE_DATADESC();
+	
+protected:
+
+	bool				m_bInitialStateUpdate;
+	bool				m_bGuiding;
+	bool				m_bHideGuiding;		//User to override the player's wish to guide under certain circumstances
+	Vector				m_vecNPCLaserDot;
+	CHandle<CLaserDot>	m_hLaserDot;
+	CHandle<CMissile>	m_hMissile;
+	CHandle<CSprite>	m_hLaserMuzzleSprite;
+	CHandle<CBeam>		m_hLaserBeam;
+};
+
+#endif // WEAPON_RPG_H