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378 lines
9.7 KiB
378 lines
9.7 KiB
![]()
4 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: TF Base Grenade.
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//
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//=============================================================================//
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#include "cbase.h"
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#include "tf_weaponbase.h"
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#include "tf_weaponbase_grenade.h"
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#include "tf_gamerules.h"
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#include "npcevent.h"
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#include "engine/IEngineSound.h"
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#include "in_buttons.h"
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#include "tf_weaponbase_grenadeproj.h"
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#include "eventlist.h"
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// Client specific.
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#ifdef CLIENT_DLL
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#include "c_tf_player.h"
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// Server specific.
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#else
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#include "tf_player.h"
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#include "items.h"
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#endif
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#define GRENADE_TIMER 1.5f // seconds
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//=============================================================================
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//
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// TF Grenade tables.
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//
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IMPLEMENT_NETWORKCLASS_ALIASED( TFWeaponBaseGrenade, DT_TFWeaponBaseGrenade )
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BEGIN_NETWORK_TABLE( CTFWeaponBaseGrenade, DT_TFWeaponBaseGrenade )
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// Client specific.
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#ifdef CLIENT_DLL
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RecvPropBool( RECVINFO( m_bPrimed ) ),
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RecvPropFloat( RECVINFO( m_flThrowTime ) ),
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RecvPropBool( RECVINFO( m_bThrow ) ),
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// Server specific.
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#else
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SendPropBool( SENDINFO( m_bPrimed ) ),
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SendPropTime( SENDINFO( m_flThrowTime ) ),
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SendPropBool( SENDINFO( m_bThrow ) ),
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#endif
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END_NETWORK_TABLE()
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BEGIN_PREDICTION_DATA( CTFWeaponBaseGrenade )
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#ifdef CLIENT_DLL
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DEFINE_PRED_FIELD( m_bPrimed, FIELD_BOOLEAN, FTYPEDESC_INSENDTABLE ),
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DEFINE_PRED_FIELD( m_flThrowTime, FIELD_FLOAT, FTYPEDESC_INSENDTABLE ),
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DEFINE_PRED_FIELD( m_bThrow, FIELD_BOOLEAN, FTYPEDESC_INSENDTABLE ),
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#endif
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END_PREDICTION_DATA()
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LINK_ENTITY_TO_CLASS( tf_weaponbase_grenade, CTFWeaponBaseGrenade );
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//=============================================================================
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//
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// TF Grenade functions.
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//
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CTFWeaponBaseGrenade::CTFWeaponBaseGrenade()
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{
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}
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//-----------------------------------------------------------------------------
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// Purpose: Constructor.
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//-----------------------------------------------------------------------------
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void CTFWeaponBaseGrenade::Spawn( void )
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{
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BaseClass::Spawn();
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SetViewModelIndex( 1 );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CTFWeaponBaseGrenade::Precache()
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{
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BaseClass::Precache();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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bool CTFWeaponBaseGrenade::IsPrimed( void )
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{
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return m_bPrimed;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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bool CTFWeaponBaseGrenade::Deploy( void )
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{
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if ( BaseClass::Deploy() )
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{
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Prime();
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return true;
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}
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return false;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CTFWeaponBaseGrenade::Prime()
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{
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CTFWeaponInfo weaponInfo = GetTFWpnData();
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m_flThrowTime = gpGlobals->curtime + weaponInfo.m_flPrimerTime;
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m_bPrimed = true;
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#ifndef CLIENT_DLL
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if ( GetWeaponID() != TF_WEAPON_GRENADE_SMOKE_BOMB )
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{
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// Get the player owning the weapon.
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CTFPlayer *pPlayer = ToTFPlayer( GetPlayerOwner() );
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if ( !pPlayer )
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return;
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pPlayer->RemoveInvisibility();
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}
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#endif
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CTFWeaponBaseGrenade::Throw()
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{
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if ( !m_bPrimed )
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return;
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m_bPrimed = false;
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m_bThrow = false;
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// Get the owning player.
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CTFPlayer *pPlayer = ToTFPlayer( GetOwner() );
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if ( !pPlayer )
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return;
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#ifdef GAME_DLL
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// Calculate the time remaining.
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float flTime = m_flThrowTime - gpGlobals->curtime;
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bool bExplodingInHand = ( flTime <= 0.0f );
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// Players who are dying may not have their death state set, so check that too
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bool bExplodingOnDeath = ( !pPlayer->IsAlive() || pPlayer->StateGet() == TF_STATE_DYING );
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Vector vecSrc, vecThrow;
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vecSrc = pPlayer->Weapon_ShootPosition();
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if ( bExplodingInHand || bExplodingOnDeath )
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{
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vecThrow = vec3_origin;
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}
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else
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{
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// Determine the throw angle and velocity.
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QAngle angThrow = pPlayer->LocalEyeAngles();
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if ( angThrow.x < 90.0f )
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{
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angThrow.x = -10.0f + angThrow.x * ( ( 90.0f + 10.0f ) / 90.0f );
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}
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else
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{
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angThrow.x = 360.0f - angThrow.x;
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angThrow.x = -10.0f + angThrow.x * -( ( 90.0f - 10.0f ) / 90.0f );
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}
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// Adjust for the lowering of the spawn point
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angThrow.x -= 10;
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float flVelocity = ( 90.0f - angThrow.x ) * 8.0f;
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if ( flVelocity > 950.0f )
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{
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flVelocity = 950.0f;
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}
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Vector vForward, vRight, vUp;
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AngleVectors( angThrow, &vForward, &vRight, &vUp );
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// Throw from the player's left hand position.
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vecSrc += vForward * 16.0f + vRight * -8.0f + vUp * -20.0f;
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vecThrow = vForward * flVelocity;
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}
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#if 0
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// Debug!!!
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char str[256];
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Q_snprintf( str, sizeof( str ),"GrenadeTime = %f\n", flTime );
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NDebugOverlay::ScreenText( 0.5f, 0.38f, str, 255, 255, 255, 255, 2.0f );
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#endif
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QAngle vecAngles = RandomAngle( 0, 360 );
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// Create the projectile and send in the time remaining.
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if ( !bExplodingInHand )
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{
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EmitGrenade( vecSrc, vecAngles, vecThrow, AngularImpulse( 600, random->RandomInt( -1200, 1200 ), 0 ), pPlayer, flTime );
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}
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else
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{
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// We're holding onto an exploding grenade
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CTFWeaponBaseGrenadeProj *pGrenade = EmitGrenade( vecSrc, vecAngles, vecThrow, AngularImpulse( 600, random->RandomInt( -1200, 1200 ), 0 ), pPlayer, 0.0 );
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if ( pGrenade )
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{
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pGrenade->Detonate();
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}
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}
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// The grenade is about to be destroyed, so it won't be able to holster.
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// Handle the viewmodel hiding for it.
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if ( bExplodingInHand || bExplodingOnDeath )
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{
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SendWeaponAnim( ACT_VM_IDLE );
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CBaseViewModel *vm = pPlayer->GetViewModel( 1 );
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if ( vm )
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{
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vm->AddEffects( EF_NODRAW );
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}
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}
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#endif
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// Reset the throw time
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m_flThrowTime = 0.0f;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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bool CTFWeaponBaseGrenade::ShouldDetonate( void )
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{
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return ( m_flThrowTime != 0.0f ) && ( m_flThrowTime < gpGlobals->curtime );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CTFWeaponBaseGrenade::ItemPostFrame()
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{
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CTFPlayer *pPlayer = ToTFPlayer( GetPlayerOwner() );
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if ( !pPlayer )
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return;
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if ( m_bPrimed )
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{
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// Is our timer up? If so, blow up immediately
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if ( ShouldDetonate() )
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{
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Throw();
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return;
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}
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if ( !m_bThrow && !( pPlayer->m_nButtons & IN_GRENADE1 || pPlayer->m_nButtons & IN_GRENADE2 ) )
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{
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// Start throwing
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pPlayer->DoAnimationEvent( PLAYERANIMEVENT_ATTACK_GRENADE );
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m_bThrow = true;
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}
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}
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if ( m_bThrow )
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{
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if ( GetActivity() != ACT_VM_PRIMARYATTACK )
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{
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// Start the throw animation
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if ( !SendWeaponAnim( ACT_VM_PRIMARYATTACK ) )
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{
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Throw();
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}
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}
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else if ( HasWeaponIdleTimeElapsed() )
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{
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// The Throw call here exists solely to catch the lone case of thirdperson where the
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// viewmodel isn't being drawn, and hence the anim event doesn't trigger and force a throw.
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// In all other cases, it'll do nothing because the grenade has already been thrown.
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Throw();
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}
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return;
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}
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if ( !m_bPrimed && !m_bThrow )
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{
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// Once we've finished being holstered, we'll be hidden. When that happens,
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// tell our player that we're all done with the grenade throw.
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if ( IsEffectActive(EF_NODRAW) )
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{
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pPlayer->FinishThrowGrenade();
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return;
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}
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// We've been thrown. Go away.
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if ( HasWeaponIdleTimeElapsed() )
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{
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Holster();
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}
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}
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// Go straight to idle anim when deploy is done
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if ( m_flTimeWeaponIdle <= gpGlobals->curtime )
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{
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SendWeaponAnim( ACT_VM_IDLE );
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}
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}
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bool CTFWeaponBaseGrenade::ShouldLowerMainWeapon( void )
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{
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return GetTFWpnData().m_bLowerWeapon;
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}
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//=============================================================================
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//
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// Client specific functions.
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//
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#ifdef CLIENT_DLL
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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bool CTFWeaponBaseGrenade::ShouldDraw( void )
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{
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if ( !BaseClass::ShouldDraw() )
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{
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// Grenades need to be visible whenever they're being primed & thrown
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if ( !m_bPrimed )
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return false;
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// Don't draw primed grenades for local player in first person players
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if ( !(ToPlayer(GetOwner())->ShouldDrawThisPlayer()) )
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return false;
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}
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return true;
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}
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//=============================================================================
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//
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// Server specific functions.
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//
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#else
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BEGIN_DATADESC( CTFWeaponBaseGrenade )
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END_DATADESC()
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CTFWeaponBaseGrenade::HandleAnimEvent( animevent_t *pEvent )
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{
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if ( (pEvent->type & AE_TYPE_NEWEVENTSYSTEM) )
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{
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if ( pEvent->event == AE_WPN_PRIMARYATTACK )
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{
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Throw();
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return;
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}
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}
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BaseClass::HandleAnimEvent( pEvent );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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CTFWeaponBaseGrenadeProj *CTFWeaponBaseGrenade::EmitGrenade( Vector vecSrc, QAngle vecAngles, Vector vecVel, AngularImpulse angImpulse, CBasePlayer *pPlayer, float flTime, int iFlags )
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{
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Assert( 0 && "CBaseCSGrenade::EmitGrenade should not be called. Make sure to implement this in your subclass!\n" );
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return NULL;
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}
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#endif
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