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game/server/hl1/hl1_weapon_snark.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:		Snark
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "cbase.h"
+#include "npcevent.h"
+#include "hl1_basecombatweapon_shared.h"
+#include "basecombatcharacter.h"
+#include "ai_basenpc.h"
+#include "player.h"
+#include "gamerules.h"
+#include "in_buttons.h"
+#include "soundent.h"
+#include "game.h"
+#include "vstdlib/random.h"
+#include "engine/IEngineSound.h"
+#include "hl1_npc_snark.h"
+#include "beam_shared.h"
+
+
+//-----------------------------------------------------------------------------
+// CWeaponSnark
+//-----------------------------------------------------------------------------
+
+
+#define SNARK_NEST_MODEL	"models/w_sqknest.mdl"
+
+
+class CWeaponSnark : public CBaseHL1CombatWeapon
+{
+	DECLARE_CLASS( CWeaponSnark, CBaseHL1CombatWeapon );
+public:
+
+	CWeaponSnark( void );
+
+	void	Precache( void );
+	void	PrimaryAttack( void );
+	void	WeaponIdle( void );
+	bool	Deploy( void );
+	bool	Holster( CBaseCombatWeapon *pSwitchingTo = NULL );
+
+	DECLARE_SERVERCLASS();
+	DECLARE_DATADESC();
+
+private:
+	bool	m_bJustThrown;
+};
+
+LINK_ENTITY_TO_CLASS( weapon_snark, CWeaponSnark );
+
+PRECACHE_WEAPON_REGISTER( weapon_snark );
+
+IMPLEMENT_SERVERCLASS_ST( CWeaponSnark, DT_WeaponSnark )
+END_SEND_TABLE()
+
+BEGIN_DATADESC( CWeaponSnark )
+	DEFINE_FIELD( m_bJustThrown, FIELD_BOOLEAN ),
+END_DATADESC()
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor
+//-----------------------------------------------------------------------------
+CWeaponSnark::CWeaponSnark( void )
+{
+	m_bReloadsSingly	= false;
+	m_bFiresUnderwater	= true;
+	m_bJustThrown		= false;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CWeaponSnark::Precache( void )
+{
+	BaseClass::Precache();
+
+	PrecacheScriptSound( "WpnSnark.PrimaryAttack" );
+	PrecacheScriptSound( "WpnSnark.Deploy" );
+
+	UTIL_PrecacheOther("monster_snark");
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CWeaponSnark::PrimaryAttack( void )
+{
+	// Only the player fires this way so we can cast
+	CBasePlayer *pPlayer = ToBasePlayer( GetOwner() );
+
+	if ( !pPlayer )
+	{
+		return;
+	}
+
+	if ( pPlayer->GetAmmoCount( m_iPrimaryAmmoType ) <= 0 )
+		return;
+
+	Vector vecForward;
+	pPlayer->EyeVectors( &vecForward );
+
+	// find place to toss monster
+	// Does this need to consider a crouched player?
+	Vector vecStart	= pPlayer->WorldSpaceCenter() + (vecForward * 20);
+	Vector vecEnd	= vecStart + (vecForward * 44);
+	trace_t tr;
+	UTIL_TraceLine( vecStart, vecEnd, MASK_SOLID, this, COLLISION_GROUP_NONE, &tr );
+	if ( tr.allsolid || tr.startsolid || tr.fraction <= 0.25 )
+		return;
+
+	// player "shoot" animation
+	SendWeaponAnim( ACT_VM_PRIMARYATTACK );
+	pPlayer->SetAnimation( PLAYER_ATTACK1 );
+
+	CSnark *pSnark = (CSnark*)Create( "monster_snark", tr.endpos, pPlayer->EyeAngles(), GetOwner() );
+	if ( pSnark )
+	{
+		pSnark->SetAbsVelocity( vecForward * 200 + pPlayer->GetAbsVelocity() );
+	}
+
+	// play hunt sound
+	CPASAttenuationFilter filter( this );
+	EmitSound( filter, entindex(), "WpnSnark.PrimaryAttack" );
+
+	CSoundEnt::InsertSound( SOUND_DANGER, GetAbsOrigin(), 200, 0.2 );
+
+	pPlayer->RemoveAmmo( 1, m_iPrimaryAmmoType );
+
+	m_bJustThrown = true;
+
+	m_flNextPrimaryAttack = gpGlobals->curtime + 0.3;
+	SetWeaponIdleTime( gpGlobals->curtime + 1.0 );
+}
+
+void CWeaponSnark::WeaponIdle( void )
+{
+	CBasePlayer *pPlayer = ToBasePlayer( GetOwner() );
+
+	if ( !pPlayer )
+	{
+		return;
+	}
+
+	if ( !HasWeaponIdleTimeElapsed() )
+		return;
+
+	if ( m_bJustThrown )
+	{
+		m_bJustThrown = false;
+
+		if ( pPlayer->GetAmmoCount( m_iPrimaryAmmoType ) <= 0 )
+		{
+			if ( !pPlayer->SwitchToNextBestWeapon( pPlayer->GetActiveWeapon() ) )
+				Holster();
+		}
+		else
+		{
+			SendWeaponAnim( ACT_VM_DRAW );
+			SetWeaponIdleTime( gpGlobals->curtime + random->RandomFloat( 10, 15 ) );
+		}
+	}
+	else
+	{
+		if ( random->RandomFloat( 0, 1 ) <= 0.75 )
+		{
+			SendWeaponAnim( ACT_VM_IDLE );
+		}
+		else
+		{
+			SendWeaponAnim( ACT_VM_FIDGET );
+		}
+	}
+}
+
+bool CWeaponSnark::Deploy( void )
+{
+	CPASAttenuationFilter filter( this );
+	EmitSound( filter, entindex(), "WpnSnark.Deploy" );
+
+	return BaseClass::Deploy();
+}
+
+bool CWeaponSnark::Holster( CBaseCombatWeapon *pSwitchingTo )
+{
+	CBasePlayer *pPlayer = ToBasePlayer( GetOwner() );
+	if ( !pPlayer )
+	{
+		return false;
+	}
+
+	if ( !BaseClass::Holster( pSwitchingTo ) )
+	{
+		return false;
+	}
+
+	if ( pPlayer->GetAmmoCount( m_iPrimaryAmmoType ) <= 0 )
+	{
+		SetThink( &CWeaponSnark::DestroyItem );
+		SetNextThink( gpGlobals->curtime + 0.1 );
+	}
+
+	pPlayer->SetNextAttack( gpGlobals->curtime + 0.5 );
+
+	return true;
+}