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game/shared/tf/tf_weapon_grenade_concussion.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: TF Concussion Grenade.
+//
+//=============================================================================//
+#include "cbase.h"
+#include "tf_weaponbase.h"
+#include "tf_gamerules.h"
+#include "npcevent.h"
+#include "engine/IEngineSound.h"
+#include "tf_weapon_grenade_concussion.h"
+
+// Server specific.
+#ifdef GAME_DLL
+#include "tf_player.h"
+#include "items.h"
+#include "tf_weaponbase_grenadeproj.h"
+#include "soundent.h"
+#include "KeyValues.h"
+
+#endif
+
+#define GRENADE_CONCUSSION_TIMER	3.0f			// seconds
+
+//=============================================================================
+//
+// TF Concussion Grenade tables.
+//
+
+IMPLEMENT_NETWORKCLASS_ALIASED( TFGrenadeConcussion, DT_TFGrenadeConcussion )
+
+BEGIN_NETWORK_TABLE( CTFGrenadeConcussion, DT_TFGrenadeConcussion )
+END_NETWORK_TABLE()
+
+BEGIN_PREDICTION_DATA( CTFGrenadeConcussion )
+END_PREDICTION_DATA()
+
+LINK_ENTITY_TO_CLASS( tf_weapon_grenade_concussion, CTFGrenadeConcussion );
+PRECACHE_WEAPON_REGISTER( tf_weapon_grenade_concussion );
+
+//=============================================================================
+//
+// TF Concussion Grenade functions.
+//
+
+// Server specific.
+#ifdef GAME_DLL
+
+BEGIN_DATADESC( CTFGrenadeConcussion )
+END_DATADESC()
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+CTFWeaponBaseGrenadeProj *CTFGrenadeConcussion::EmitGrenade( Vector vecSrc, QAngle vecAngles, Vector vecVel, 
+							        AngularImpulse angImpulse, CBasePlayer *pPlayer, float flTime, int iflags )
+{
+	return CTFGrenadeConcussionProjectile::Create( vecSrc, vecAngles, vecVel, angImpulse, 
+		                                pPlayer, GetTFWpnData(), flTime );
+}
+
+#endif
+
+//=============================================================================
+//
+// TF Concussion Grenade Projectile functions (Server specific).
+//
+#ifdef GAME_DLL
+
+#define GRENADE_MODEL "models/weapons/w_models/w_grenade_conc.mdl"
+
+LINK_ENTITY_TO_CLASS( tf_weapon_grenade_concussion_projectile, CTFGrenadeConcussionProjectile );
+PRECACHE_WEAPON_REGISTER( tf_weapon_grenade_concussion_projectile );
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+CTFGrenadeConcussionProjectile* CTFGrenadeConcussionProjectile::Create( const Vector &position, const QAngle &angles, 
+																const Vector &velocity, const AngularImpulse &angVelocity, 
+																CBaseCombatCharacter *pOwner, const CTFWeaponInfo &weaponInfo, float timer, int iFlags )
+{
+	CTFGrenadeConcussionProjectile *pGrenade = static_cast<CTFGrenadeConcussionProjectile*>( CTFWeaponBaseGrenadeProj::Create( "tf_weapon_grenade_concussion_projectile", position, angles, velocity, angVelocity, pOwner, weaponInfo, timer, iFlags ) );
+	if ( pGrenade )
+	{
+		pGrenade->ApplyLocalAngularVelocityImpulse( angVelocity );
+	}
+
+	return pGrenade;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CTFGrenadeConcussionProjectile::Spawn()
+{
+	SetModel( GRENADE_MODEL );
+
+	BaseClass::Spawn();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CTFGrenadeConcussionProjectile::Precache()
+{
+	PrecacheModel( GRENADE_MODEL );
+
+	BaseClass::Precache();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CTFGrenadeConcussionProjectile::BounceSound( void )
+{
+	EmitSound( "Weapon_Grenade_Concussion.Bounce" );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CTFGrenadeConcussionProjectile::Detonate()
+{
+	if ( ShouldNotDetonate() )
+	{
+		RemoveGrenade();
+		return;
+	}
+
+	// The trace start/end.
+	Vector vecStart = GetAbsOrigin() + Vector( 0.0f, 0.0f, 8.0f );
+	Vector vecEnd = vecStart + Vector( 0.0f, 0.0f, -32.0f );
+
+	trace_t	trace;
+	UTIL_TraceLine ( vecStart, vecEnd, MASK_SHOT_HULL, this, COLLISION_GROUP_NONE, &trace );
+
+	// Explode (concuss).
+	Explode( &trace, DMG_BLAST );
+
+	// Screen shake.
+	if ( GetShakeAmplitude() )
+	{
+		UTIL_ScreenShake( GetAbsOrigin(), GetShakeAmplitude(), 150.0, 1.0, GetShakeRadius(), SHAKE_START );
+	}
+}
+
+extern ConVar tf_grenade_show_radius;
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CTFGrenadeConcussionProjectile::Explode( trace_t *pTrace, int bitsDamageType )
+{
+// Server specific.
+#ifdef GAME_DLL
+
+	// Invisible.
+	SetModelName( NULL_STRING );	
+	AddSolidFlags( FSOLID_NOT_SOLID );
+	m_takedamage = DAMAGE_NO;
+	
+	// Move the impact point away from the surface a little bit.
+	if ( pTrace->fraction != 1.0 )
+	{
+		SetLocalOrigin( pTrace->endpos + ( pTrace->plane.normal * 0.6 ) );
+	}
+
+	// Explosion effect on client
+	SendDispatchEffect();
+
+	// Explosion sound.
+	CSoundEnt::InsertSound( SOUND_COMBAT, GetAbsOrigin(), BASEGRENADE_EXPLOSION_VOLUME, 3.0 );
+
+	// Explosion damage, using the thrower's position as the report position.
+	CTFPlayer *pPlayer = ToTFPlayer( GetThrower() );
+	Vector vecReported = pPlayer ? pPlayer->GetAbsOrigin() : vec3_origin;
+	CTakeDamageInfo info( this, pPlayer, GetBlastForce(), GetAbsOrigin(), m_flDamage, bitsDamageType, 0, &vecReported );
+	RadiusDamage( info, GetAbsOrigin(), m_DmgRadius, CLASS_NONE, NULL );
+
+	// Concussion.
+	CBaseEntity *pEntityList[64];
+	int nEntityCount = UTIL_EntitiesInSphere( pEntityList, 64, GetAbsOrigin(), m_DmgRadius, FL_CLIENT );
+	for ( int iEntity = 0; iEntity < nEntityCount; ++iEntity )
+	{
+		CBaseEntity *pEntity = pEntityList[iEntity];
+		CTFPlayer *pTestPlayer = ToTFPlayer( pEntity );
+
+		// You can concuss yourself.
+		bool bIsThrower = ( pPlayer == pTestPlayer );
+		if ( bIsThrower || ( pTestPlayer && !InSameTeam( pTestPlayer) ) )
+		{
+			pTestPlayer->m_Shared.Concussion( this, m_DmgRadius );
+		}
+	}
+
+	if ( tf_grenade_show_radius.GetBool() )
+	{
+		DrawRadius( m_DmgRadius );
+	}
+
+	// Explosion decal.
+	UTIL_DecalTrace( pTrace, "Scorch" );
+
+	// Reset.
+	SetThink( &CBaseGrenade::SUB_Remove );
+	SetTouch( NULL );
+	AddEffects( EF_NODRAW );
+	SetAbsVelocity( vec3_origin );
+	SetNextThink( gpGlobals->curtime );
+#endif
+}
+
+#endif