1

game/server/hl2/grenade_energy.cpp

@@ -0,0 +1,157 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Projectile shot by mortar synth.
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "cbase.h"
+#include "grenade_energy.h"
+#include "soundent.h"
+#include "player.h"
+#include "hl2_shareddefs.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+#define	 ENERGY_GRENADE_LIFETIME 1
+
+ConVar    sk_dmg_energy_grenade		( "sk_dmg_energy_grenade","0");
+ConVar	  sk_energy_grenade_radius	( "sk_energy_grenade_radius","0");
+
+BEGIN_DATADESC( CGrenadeEnergy )
+
+	DEFINE_FIELD( m_flMaxFrame,	  FIELD_INTEGER ),
+	DEFINE_FIELD( m_nEnergySprite, FIELD_INTEGER ),
+	DEFINE_FIELD( m_flLaunchTime, FIELD_TIME ),		
+
+	// Function pointers
+	DEFINE_FUNCTION( Animate ),
+	DEFINE_FUNCTION( GrenadeEnergyTouch ),
+
+END_DATADESC()
+
+LINK_ENTITY_TO_CLASS( grenade_energy, CGrenadeEnergy );
+
+void CGrenadeEnergy::Spawn( void )
+{
+	Precache( );
+	SetSolid( SOLID_BBOX );
+	SetMoveType( MOVETYPE_FLY );
+
+	SetModel( "Models/weapons/w_energy_grenade.mdl" );
+
+	SetUse( DetonateUse );
+	SetTouch( GrenadeEnergyTouch );
+	SetNextThink( gpGlobals->curtime + 0.1f );
+
+	m_flDamage			= sk_dmg_energy_grenade.GetFloat();
+	m_DmgRadius		= sk_energy_grenade_radius.GetFloat();
+	m_takedamage	= DAMAGE_YES;
+	m_iHealth		= 1;
+
+	m_flCycle		= 0;
+	m_flLaunchTime	= gpGlobals->curtime;
+
+	SetCollisionGroup( HL2COLLISION_GROUP_HOUNDEYE ); 
+
+	UTIL_SetSize( this, vec3_origin, vec3_origin );
+
+	m_flMaxFrame = (float) modelinfo->GetModelFrameCount( GetModel() ) - 1;
+
+}
+
+//------------------------------------------------------------------------------
+// Purpose :
+// Input   :
+// Output  :
+//------------------------------------------------------------------------------
+void CGrenadeEnergy::Shoot( CBaseEntity* pOwner, const Vector &vStart, Vector vVelocity )
+{
+	CGrenadeEnergy *pEnergy = (CGrenadeEnergy *)CreateEntityByName( "grenade_energy" );
+	pEnergy->Spawn();
+	
+	UTIL_SetOrigin( pEnergy, vStart );
+	pEnergy->SetAbsVelocity( vVelocity );
+	pEnergy->SetOwnerEntity( pOwner );
+
+	pEnergy->SetThink ( Animate );
+	pEnergy->SetNextThink( gpGlobals->curtime + 0.1f );
+
+	pEnergy->m_nRenderMode = kRenderTransAdd;
+	pEnergy->SetRenderColor( 160, 160, 160, 255 );
+	pEnergy->m_nRenderFX = kRenderFxNone;
+}
+
+//------------------------------------------------------------------------------
+// Purpose :
+// Input   :
+// Output  :
+//------------------------------------------------------------------------------
+void CGrenadeEnergy::Animate( void )
+{
+	float flLifeLeft = 1-(gpGlobals->curtime  - m_flLaunchTime)/ENERGY_GRENADE_LIFETIME;
+
+	if (flLifeLeft < 0)
+	{
+		SetRenderColorA( 0 );
+		SetThink(NULL);
+		UTIL_Remove(this);
+	}
+
+	SetNextThink( gpGlobals->curtime + 0.01f );
+
+	QAngle angles;
+	VectorAngles( GetAbsVelocity(), angles );
+	SetLocalAngles( angles );
+
+	SetNextThink( gpGlobals->curtime + 0.1f );
+
+	StudioFrameAdvance( );
+
+	SetRenderColorA( flLifeLeft );
+}
+
+void CGrenadeEnergy::Event_Killed( const CTakeDamageInfo &info )
+{
+	Detonate( );
+}
+
+void CGrenadeEnergy::GrenadeEnergyTouch( CBaseEntity *pOther )
+{
+	if ( pOther->m_takedamage )
+	{
+		float flLifeLeft = 1-(gpGlobals->curtime  - m_flLaunchTime)/ENERGY_GRENADE_LIFETIME;
+
+		if ( pOther->GetFlags() & (FL_CLIENT) )
+		{
+			CBasePlayer *pPlayer = ( CBasePlayer * )pOther;
+			float		flKick	 = 120 * flLifeLeft;
+			pPlayer->m_Local.m_vecPunchAngle.SetX( flKick * (random->RandomInt(0,1) == 1) ? -1 : 1 );
+			pPlayer->m_Local.m_vecPunchAngle.SetY( flKick * (random->RandomInt(0,1) == 1) ? -1 : 1 );
+		}
+		float flDamage = m_flDamage * flLifeLeft;
+		if (flDamage < 1) 
+		{
+			flDamage = 1;
+		}
+
+		trace_t tr;
+		tr = GetTouchTrace();
+		CTakeDamageInfo info( this, GetThrower(), m_flDamage * flLifeLeft, DMG_SONIC );
+		CalculateMeleeDamageForce( &info, (tr.endpos - tr.startpos), tr.endpos );
+		pOther->TakeDamage( info );
+	}
+	Detonate();
+}
+
+void CGrenadeEnergy::Detonate(void)
+{
+	m_takedamage	= DAMAGE_NO;	
+	UTIL_Remove( this );
+}
+
+void CGrenadeEnergy::Precache( void )
+{
+	PrecacheModel("Models/weapons/w_energy_grenade.mdl");
+}