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game/shared/tf2/weapon_basecombatobject.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "basetfplayer_shared.h"
+#include "weapon_basecombatobject.h"
+//====================================================================================================
+// BASE COMBAT OBJECT WEAPON
+//====================================================================================================
+
+LINK_ENTITY_TO_CLASS( weapon_basecombatobject, CWeaponBaseCombatObject );
+
+IMPLEMENT_NETWORKCLASS_ALIASED( WeaponBaseCombatObject, DT_WeaponBaseCombatObject )
+
+BEGIN_NETWORK_TABLE( CWeaponBaseCombatObject, DT_WeaponBaseCombatObject )
+END_NETWORK_TABLE()
+
+BEGIN_PREDICTION_DATA( CWeaponBaseCombatObject )
+
+/*
+	DEFINE_PRED_ARRAY( m_szObjectName, FIELD_CHARACTER, sizeof( m_szObjectName ) ),
+	DEFINE_PRED_FIELD( m_vecBuildMins, FIELD_VECTOR, 0 ),
+	DEFINE_PRED_FIELD( m_vecBuildMaxs, FIELD_VECTOR, 0 ),
+*/
+
+END_PREDICTION_DATA()
+
+
+CWeaponBaseCombatObject::CWeaponBaseCombatObject()
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Place the combat object
+//-----------------------------------------------------------------------------
+void CWeaponBaseCombatObject::PrimaryAttack( void )
+{
+	CBaseTFPlayer *pPlayer = dynamic_cast<CBaseTFPlayer*>((CBaseEntity*)GetOwner());
+	if ( !pPlayer )
+		return;
+	if ( pPlayer->GetAmmoCount(m_iPrimaryAmmoType) <= 0 )
+		return;
+
+	m_flNextPrimaryAttack = gpGlobals->curtime + GetFireRate();
+
+	Vector vecPlaceOrigin;
+	QAngle angPlaceAngles;
+	if ( GetPlacePosition( pPlayer, &vecPlaceOrigin, &angPlaceAngles ) == false )
+	{
+		WeaponSound( WPN_DOUBLE );
+		return;
+	}
+
+	// Place the combat object
+	PlaceCombatObject( pPlayer, vecPlaceOrigin, angPlaceAngles );
+
+	WeaponSound( SINGLE );
+	pPlayer->RemoveAmmo( 1, m_iPrimaryAmmoType );
+
+	// If I'm now out of ammo, switch away
+	if ( !HasPrimaryAmmo() )
+	{
+		pPlayer->SelectLastItem();
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Return true if we found a valid placement point
+//-----------------------------------------------------------------------------
+bool CWeaponBaseCombatObject::GetPlacePosition( CBaseTFPlayer *pBuilder, Vector *vecPlaceOrigin, QAngle *angPlaceAngles )
+{
+	Vector vecForward;
+	QAngle vecAngles = vec3_angle;
+	vecAngles.y = pBuilder->EyeAngles().y;
+	AngleVectors( vecAngles, &vecForward, NULL, NULL);
+	*vecPlaceOrigin = pBuilder->WorldSpaceCenter() + (vecForward * ((m_vecBuildMaxs.x - m_vecBuildMins.x) + 32));
+	if ( UTIL_PointContents( *vecPlaceOrigin ) != CONTENTS_EMPTY )
+		return false;
+
+	// Room to fit?
+	trace_t tr;
+	UTIL_TraceHull( *vecPlaceOrigin, *vecPlaceOrigin + Vector(0,0,-64), m_vecBuildMins, m_vecBuildMaxs, MASK_SOLID, this, COLLISION_GROUP_NONE, &tr );
+	if ( tr.allsolid || tr.startsolid )
+		return false;
+	if ( tr.fraction == 1.0 )
+		return false;
+
+	*vecPlaceOrigin = tr.endpos;
+	//VectorAngles( tr.plane.normal, *angPlaceAngles );
+	*angPlaceAngles = QAngle(0,0,0);
+	return true;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Put the combat object for this weapon on the specified point
+//-----------------------------------------------------------------------------
+void CWeaponBaseCombatObject::PlaceCombatObject( CBaseTFPlayer *pBuilder, Vector vecOrigin, QAngle angles )
+{
+#if !defined( CLIENT_DLL )
+	Assert( m_szObjectName != NULL );
+
+	CBaseEntity *pEntity = CreateEntityByName( m_szObjectName );
+	pEntity->SetLocalAngles( angles );
+	pEntity->Spawn();
+	pEntity->Teleport( &vecOrigin, &angles, &vec3_origin );
+
+	// If it's an object, set it's builder & team
+	CBaseObject *pObject = dynamic_cast< CBaseObject * >( pEntity );
+	if ( pObject )
+	{
+		pObject->SetBuilder( pBuilder );
+		pObject->ChangeTeam( pBuilder->GetTeamNumber() );
+	}
+#endif
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+float CWeaponBaseCombatObject::GetFireRate( void )
+{
+	return 0.5;
+}