source-engine/game/client/tf/c_tf_projectile_rocket.cpp

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: 
//
//=============================================================================

#include "cbase.h"
#include "c_tf_projectile_rocket.h"
#include "particles_new.h"
#include "tf_gamerules.h"

IMPLEMENT_NETWORKCLASS_ALIASED( TFProjectile_Rocket, DT_TFProjectile_Rocket )

BEGIN_NETWORK_TABLE( C_TFProjectile_Rocket, DT_TFProjectile_Rocket )
	RecvPropBool( RECVINFO( m_bCritical ) ),
END_NETWORK_TABLE()

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
C_TFProjectile_Rocket::C_TFProjectile_Rocket( void )
{
	pEffect = NULL;
}

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
C_TFProjectile_Rocket::~C_TFProjectile_Rocket( void )
{
	if ( pEffect )
	{
		ParticleProp()->StopEmission( pEffect );
	}
}

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
void C_TFProjectile_Rocket::OnDataChanged(DataUpdateType_t updateType)
{
	BaseClass::OnDataChanged(updateType);
}

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
void C_TFProjectile_Rocket::CreateTrails( void )
{
	if ( IsDormant() )
		return;

	bool bUsingCustom = false;

	if ( pEffect )
	{
		ParticleProp()->StopEmission( pEffect );
		pEffect = NULL;
	}

	int iAttachment = LookupAttachment( "trail" );
	if ( iAttachment == INVALID_PARTICLE_ATTACHMENT )
		return;

	if ( enginetrace->GetPointContents( GetAbsOrigin() ) & MASK_WATER )
	{
		ParticleProp()->Create( "rockettrail_underwater", PATTACH_POINT_FOLLOW, "trail" );
		bUsingCustom = true;
	}
	else if ( GetTeamNumber() == TEAM_UNASSIGNED )
	{
		ParticleProp()->Create( "rockettrail_underwater", PATTACH_POINT_FOLLOW, "trail" );
		bUsingCustom = true;
	}
	else
	{
		// Halloween Spell Effect Check
		int iHalloweenSpell = 0;
		// if the owner is a Sentry, Check its owner
		CBaseObject *pSentry = GetOwnerEntity() && GetOwnerEntity()->IsBaseObject() ? assert_cast<CBaseObject*>( GetOwnerEntity() ) : NULL;
		if ( TF_IsHolidayActive( kHoliday_HalloweenOrFullMoon ) )
		{
			if ( pSentry )
			{
				CALL_ATTRIB_HOOK_INT_ON_OTHER( pSentry->GetOwner(), iHalloweenSpell, halloween_pumpkin_explosions );
			}
			else
			{
				CALL_ATTRIB_HOOK_INT_ON_OTHER( GetOwnerEntity(), iHalloweenSpell, halloween_pumpkin_explosions );
			}
		}

		// Mini rockets from airstrike RL
		if ( iHalloweenSpell > 0 )
		{
			ParticleProp()->Create( "halloween_rockettrail", PATTACH_POINT_FOLLOW, iAttachment );
			bUsingCustom = true;
		}
		else if ( !pSentry )
		{
			if ( GetLauncher() )
			{
				int iMiniRocket = 0;
				CALL_ATTRIB_HOOK_INT_ON_OTHER( GetLauncher(), iMiniRocket, mini_rockets );
				if ( iMiniRocket )
				{
					ParticleProp()->Create( "rockettrail_airstrike", PATTACH_POINT_FOLLOW, iAttachment );
					bUsingCustom = true;

					// rockettrail_airstrike_line
					CTFPlayer *pPlayer = ToTFPlayer( GetOwnerEntity() );
					if ( pPlayer && pPlayer->m_Shared.InCond( TF_COND_BLASTJUMPING ) )
					{
						ParticleProp()->Create( "rockettrail_airstrike_line", PATTACH_POINT_FOLLOW, iAttachment );
					}
				}
			}
		}
	}

	if ( !bUsingCustom )
	{
		if ( GetTrailParticleName() )
		{
			ParticleProp()->Create( GetTrailParticleName(), PATTACH_POINT_FOLLOW, iAttachment );
		}
	}

	if ( m_bCritical )
	{
		switch( GetTeamNumber() )
		{
		case TF_TEAM_BLUE:
			pEffect = ParticleProp()->Create( "critical_rocket_blue", PATTACH_ABSORIGIN_FOLLOW );
			break;
		case TF_TEAM_RED:
			pEffect = ParticleProp()->Create( "critical_rocket_red", PATTACH_ABSORIGIN_FOLLOW );
			break;
		default:
			pEffect = ParticleProp()->Create( "eyeboss_projectile", PATTACH_ABSORIGIN_FOLLOW );
			break;
		}
	}
}