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game/server/cstrike/smokegrenade_projectile.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "smokegrenade_projectile.h"
+#include "sendproxy.h"
+#include "particle_smokegrenade.h"
+#include "cs_player.h"
+#include "KeyValues.h"
+#include "bot_manager.h"
+#include "weapon_csbase.h"
+
+#define GRENADE_MODEL "models/Weapons/w_eq_smokegrenade_thrown.mdl"
+
+
+LINK_ENTITY_TO_CLASS( smokegrenade_projectile, CSmokeGrenadeProjectile );
+PRECACHE_WEAPON_REGISTER( smokegrenade_projectile );
+
+BEGIN_DATADESC( CSmokeGrenadeProjectile )
+	DEFINE_THINKFUNC( Think_Detonate ),
+	DEFINE_THINKFUNC( Think_Fade ),
+	DEFINE_THINKFUNC( Think_Remove )
+END_DATADESC()
+
+
+CSmokeGrenadeProjectile* CSmokeGrenadeProjectile::Create( 
+	const Vector &position, 
+	const QAngle &angles, 
+	const Vector &velocity, 
+	const AngularImpulse &angVelocity, 
+	CBaseCombatCharacter *pOwner )
+{
+	CSmokeGrenadeProjectile *pGrenade = (CSmokeGrenadeProjectile*)CBaseEntity::Create( "smokegrenade_projectile", position, angles, pOwner );
+	
+	// Set the timer for 1 second less than requested. We're going to issue a SOUND_DANGER
+	// one second before detonation.
+	pGrenade->SetTimer( 1.5 );
+	pGrenade->SetAbsVelocity( velocity );
+	pGrenade->SetupInitialTransmittedGrenadeVelocity( velocity );
+	pGrenade->SetThrower( pOwner );
+	pGrenade->SetGravity( 0.55 );
+	pGrenade->SetFriction( 0.7 );
+	pGrenade->m_flDamage = 100;
+	pGrenade->ChangeTeam( pOwner->GetTeamNumber() );
+	pGrenade->ApplyLocalAngularVelocityImpulse( angVelocity );	
+	pGrenade->SetTouch( &CBaseGrenade::BounceTouch );
+
+	pGrenade->SetGravity( BaseClass::GetGrenadeGravity() );
+	pGrenade->SetFriction( BaseClass::GetGrenadeFriction() );
+	pGrenade->SetElasticity( BaseClass::GetGrenadeElasticity() );
+	pGrenade->m_bDidSmokeEffect = false;
+
+	pGrenade->m_pWeaponInfo = GetWeaponInfo( WEAPON_SMOKEGRENADE );
+
+	return pGrenade;
+}
+
+
+void CSmokeGrenadeProjectile::SetTimer( float timer )
+{
+	SetThink( &CSmokeGrenadeProjectile::Think_Detonate );
+	SetNextThink( gpGlobals->curtime + timer );
+
+	TheBots->SetGrenadeRadius( this, 0.0f );
+}
+
+void CSmokeGrenadeProjectile::Think_Detonate()
+{
+	if ( GetAbsVelocity().Length() > 0.1 )
+	{
+		// Still moving. Don't detonate yet.
+		SetNextThink( gpGlobals->curtime + 0.2 );
+		return;
+	}
+
+	TheBots->SetGrenadeRadius( this, SmokeGrenadeRadius );
+
+	// Ok, we've stopped rolling or whatever. Now detonate.
+	ParticleSmokeGrenade *pGren = (ParticleSmokeGrenade*)CBaseEntity::Create( PARTICLESMOKEGRENADE_ENTITYNAME, GetAbsOrigin(), QAngle(0,0,0), NULL );
+	if ( pGren )
+	{
+		pGren->FillVolume();
+		pGren->SetFadeTime( 15, 20 );
+		pGren->SetAbsOrigin( GetAbsOrigin() );
+
+		//tell the hostages about the smoke!
+		CBaseEntity *pEntity = NULL;
+		variant_t var;	//send the location of the smoke?
+		var.SetVector3D( GetAbsOrigin() );
+		while ( ( pEntity = gEntList.FindEntityByClassname( pEntity, "hostage_entity" ) ) != NULL)
+		{
+			//send to hostages that have a resonable chance of being in it while its still smoking
+			if( (GetAbsOrigin() - pEntity->GetAbsOrigin()).Length() < 1000 )
+				pEntity->AcceptInput( "smokegrenade", this, this, var, 0 );
+		}
+
+		// tell the bots a smoke grenade has exploded
+		CCSPlayer *player = ToCSPlayer(GetThrower());
+		if ( player )
+		{
+			IGameEvent * event = gameeventmanager->CreateEvent( "smokegrenade_detonate" );
+			if ( event )
+			{
+				event->SetInt( "userid", player->GetUserID() );
+				event->SetFloat( "x", GetAbsOrigin().x );
+				event->SetFloat( "y", GetAbsOrigin().y );
+				event->SetFloat( "z", GetAbsOrigin().z );
+				gameeventmanager->FireEvent( event );
+			}
+		}
+	}
+
+	m_hSmokeEffect = pGren;
+	m_bDidSmokeEffect = true;
+
+	EmitSound( "BaseSmokeEffect.Sound" );
+
+	m_nRenderMode = kRenderTransColor;
+	SetNextThink( gpGlobals->curtime + 5 );
+	SetThink( &CSmokeGrenadeProjectile::Think_Fade );
+}
+
+
+// Fade the projectile out over time before making it disappear
+void CSmokeGrenadeProjectile::Think_Fade()
+{
+	SetNextThink( gpGlobals->curtime );
+
+	color32 c = GetRenderColor();
+	c.a -= 1;
+	SetRenderColor( c.r, c.b, c.g, c.a );
+
+	if ( !c.a )
+	{
+		TheBots->RemoveGrenade( this );
+
+		SetModelName( NULL_STRING );//invisible
+		SetNextThink( gpGlobals->curtime + 20 );
+		SetThink( &CSmokeGrenadeProjectile::Think_Remove );	// Spit out smoke for 10 seconds.
+		SetSolid( SOLID_NONE );
+	}
+}
+
+
+void CSmokeGrenadeProjectile::Think_Remove()
+{
+	if ( m_hSmokeEffect.Get() )
+		UTIL_Remove( m_hSmokeEffect );
+
+	TheBots->RemoveGrenade( this );
+
+	SetModelName( NULL_STRING );//invisible
+	SetSolid( SOLID_NONE );
+	SetMoveType( MOVETYPE_NONE );
+}
+
+//Implement this so we never call the base class,
+//but this should never be called either.
+void CSmokeGrenadeProjectile::Detonate( void )
+{
+	Assert(!"Smoke grenade handles its own detonation");
+}
+
+
+void CSmokeGrenadeProjectile::Spawn()
+{
+	SetModel( GRENADE_MODEL );
+	BaseClass::Spawn();
+}
+
+
+void CSmokeGrenadeProjectile::Precache()
+{
+	PrecacheModel( GRENADE_MODEL );
+	PrecacheScriptSound( "BaseSmokeEffect.Sound" );
+	PrecacheScriptSound( "SmokeGrenade.Bounce" );
+	BaseClass::Precache();
+}
+
+void CSmokeGrenadeProjectile::BounceSound( void )
+{
+	if ( !m_bDidSmokeEffect )
+	{
+		EmitSound( "SmokeGrenade.Bounce" );
+	}
+}