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game/server/hl1/hl1_grenade_mp5.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "cbase.h"
+#include "hl1_grenade_mp5.h"
+#include "hl1mp_weapon_mp5.h"
+#include "soundent.h"
+#include "decals.h"
+#include "shake.h"
+#include "smoke_trail.h"
+#include "vstdlib/random.h"
+#include "engine/IEngineSound.h"
+#include "world.h"
+
+extern short	g_sModelIndexFireball;
+extern short	g_sModelIndexWExplosion;
+
+extern ConVar sk_plr_dmg_mp5_grenade;
+extern ConVar sk_max_mp5_grenade;
+extern ConVar sk_mp5_grenade_radius;
+
+BEGIN_DATADESC( CGrenadeMP5 )
+	// SR-BUGBUG: These are borked!!!!
+//	float				 m_fSpawnTime;
+
+	// Function pointers
+	DEFINE_ENTITYFUNC( GrenadeMP5Touch ),
+
+	DEFINE_FIELD( m_fSpawnTime, FIELD_TIME ),
+END_DATADESC()
+
+LINK_ENTITY_TO_CLASS( grenade_mp5, CGrenadeMP5 );
+
+void CGrenadeMP5::Spawn( void )
+{
+	Precache( );
+	SetSolid( SOLID_BBOX );
+	SetMoveType( MOVETYPE_FLY );
+	AddFlag( FL_GRENADE );
+
+	SetModel( "models/grenade.mdl" );
+	//UTIL_SetSize(this, Vector(-3, -3, -3), Vector(3, 3, 3));
+	UTIL_SetSize(this, Vector(0, 0, 0), Vector(0, 0, 0));
+
+	SetUse( &CBaseGrenade::DetonateUse );
+	SetTouch( &CGrenadeMP5::GrenadeMP5Touch );
+	SetNextThink( gpGlobals->curtime + 0.1f );
+
+	m_flDamage		= sk_plr_dmg_mp5_grenade.GetFloat();
+	m_DmgRadius		= sk_mp5_grenade_radius.GetFloat();
+	m_takedamage	= DAMAGE_YES;
+	m_bIsLive		= true;
+	m_iHealth		= 1;
+
+	SetGravity( UTIL_ScaleForGravity( 400 ) );	// use a lower gravity for grenades to make them easier to see
+	SetFriction( 0.8 );
+
+	SetSequence( 0 );
+
+	m_fSpawnTime	= gpGlobals->curtime;
+}
+
+
+void CGrenadeMP5::Event_Killed( CBaseEntity *pInflictor, CBaseEntity *pAttacker, float flDamage, int bitsDamageType )
+{
+	Detonate( );
+}
+
+
+void CGrenadeMP5::GrenadeMP5Touch( CBaseEntity *pOther )
+{
+	if ( !pOther->IsSolid() )
+		return;
+
+	// If I'm live go ahead and blow up
+	if (m_bIsLive)
+	{
+		Detonate();
+	}
+	else
+	{
+		// If I'm not live, only blow up if I'm hitting an chacter that
+		// is not the owner of the weapon
+		CBaseCombatCharacter *pBCC = ToBaseCombatCharacter( pOther );
+		if (pBCC && GetThrower() != pBCC)
+		{
+			m_bIsLive = true;
+			Detonate();
+		}
+	}
+}
+
+void CGrenadeMP5::Detonate(void)
+{
+	if (!m_bIsLive)
+	{
+		return;
+	}
+	m_bIsLive		= false;
+	m_takedamage	= DAMAGE_NO;	
+
+	CPASFilter filter( GetAbsOrigin() );
+
+	te->Explosion( filter, 0.0,
+		&GetAbsOrigin(), 
+		GetWaterLevel() == 0 ? g_sModelIndexFireball : g_sModelIndexWExplosion,
+		(m_flDamage - 50) * .60, 
+		15,
+		TE_EXPLFLAG_NONE,
+		m_DmgRadius,
+		m_flDamage );
+
+	trace_t tr;	
+	tr = CBaseEntity::GetTouchTrace();
+
+	if ( (tr.m_pEnt != GetWorldEntity()) || (tr.hitbox != 0) )
+	{
+		// non-world needs smaller decals
+		UTIL_DecalTrace( &tr, "SmallScorch");
+	}
+	else
+	{
+		UTIL_DecalTrace( &tr, "Scorch" );
+	}
+
+	CSoundEnt::InsertSound ( SOUND_COMBAT, GetAbsOrigin(), BASEGRENADE_EXPLOSION_VOLUME, 3.0 );
+
+	RadiusDamage ( CTakeDamageInfo( this, GetThrower(), m_flDamage, DMG_BLAST ), GetAbsOrigin(), m_flDamage * 2.5, CLASS_NONE, NULL );
+
+	CPASAttenuationFilter filter2( this );
+	EmitSound( filter2, entindex(), "GrenadeMP5.Detonate" );
+
+	if ( GetWaterLevel() == 0 )
+	{
+		int sparkCount = random->RandomInt( 0,3 );
+		QAngle angles;
+		VectorAngles( tr.plane.normal, angles );
+
+		for ( int i = 0; i < sparkCount; i++ )
+			Create( "spark_shower", GetAbsOrigin(), angles, NULL );
+	}
+
+	UTIL_Remove( this );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CGrenadeMP5::Precache( void )
+{
+	BaseClass::Precache();
+
+	PrecacheModel( "models/grenade.mdl" ); 
+
+	PrecacheScriptSound( "GrenadeMP5.Detonate" );
+}