source-engine/game/shared/tf2/grenade_stickybomb.cpp

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: Sticky bombs thrown by the recon
//
// $NoKeywords: $
//=============================================================================//

#include "cbase.h"
#include "player.h"
#include "basegrenade_shared.h"
#include "tf_shareddefs.h"
#include "Sprite.h"


// Damage CVars
ConVar	grenade_stickybomb_damage( "grenade_stickybomb_damage","0", 0, "Recon's stickybomb maximum damage" );
ConVar	grenade_stickybomb_radius( "grenade_stickybomb_radius","0", 0, "Recon's stickybomb splash radius" );

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
class CGrenadeStickyBomb : public CBaseGrenade
{
	DECLARE_CLASS( CGrenadeStickyBomb, CBaseGrenade );
public:
	CGrenadeStickyBomb();

	DECLARE_DATADESC();

	void Spawn( void );
	void Precache( void );
	void SetTimer( float timer );
	void StickyTouch( CBaseEntity *pOther );
	virtual void	Explode( trace_t *pTrace, int bitsDamageType );
	virtual int		GetDamageType() const { return DMG_BLAST; }

private:
	CSprite		*m_pLiveSprite;
};

// Global Savedata for friction modifier
BEGIN_DATADESC( CGrenadeStickyBomb )

	// Function Pointers
	DEFINE_ENTITYFUNC( StickyTouch ),

END_DATADESC()


LINK_ENTITY_TO_CLASS( grenade_stickybomb, CGrenadeStickyBomb );
PRECACHE_WEAPON_REGISTER(grenade_stickybomb);

CGrenadeStickyBomb::CGrenadeStickyBomb()
{
}

//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CGrenadeStickyBomb::Precache( void )
{
	PrecacheModel( "models/weapons/w_grenade.mdl" );
}

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
void CGrenadeStickyBomb::Spawn( void )
{
	Precache();

	SetMoveType( MOVETYPE_FLYGRAVITY, MOVECOLLIDE_FLY_BOUNCE );
	SetSolid( SOLID_BBOX );
	SetGravity( 0.6 );
	SetFriction( 1.0 );
	SetModel( "models/weapons/w_grenade.mdl");
	UTIL_SetSize(this, Vector( -4, -4, -4), Vector(4, 4, 4));
	SetTouch( StickyTouch );
	SetCollisionGroup( TFCOLLISION_GROUP_WEAPON );

	// Create a red light
	m_pLiveSprite = CSprite::SpriteCreate( "sprites/redglow1.vmt", GetLocalOrigin(), false );
	m_pLiveSprite->SetTransparency( kRenderGlow, 255, 200, 200, 255, kRenderFxNoDissipation );
	m_pLiveSprite->SetBrightness( 255 );
	m_pLiveSprite->SetScale( 0.3 );
	m_pLiveSprite->SetAttachment( this, 0 );

	// Set my damages to the cvar values
	SetDamage( grenade_stickybomb_damage.GetFloat() );
	SetDamageRadius( grenade_stickybomb_radius.GetFloat() );

	SetTimer( 2.0 );
}

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
void CGrenadeStickyBomb::SetTimer( float timer )
{
	SetThink( Detonate );
	SetNextThink( gpGlobals->curtime + timer );
}

//-----------------------------------------------------------------------------
// Purpose: Make the grenade stick to whatever it touches
//-----------------------------------------------------------------------------
void CGrenadeStickyBomb::StickyTouch( CBaseEntity *pOther )
{
	if ( pOther->IsBSPModel() == false )
		return;

	BounceSound();
	SetAbsVelocity( vec3_origin );
	SetMoveType( MOVETYPE_NONE );
}

//-----------------------------------------------------------------------------
// Purpose: Remove my glow when I'm removed
//-----------------------------------------------------------------------------
void CGrenadeStickyBomb::Explode( trace_t *pTrace, int bitsDamageType )
{
	if ( m_pLiveSprite )
	{
		UTIL_Remove( m_pLiveSprite );
		m_pLiveSprite = NULL;
	}

	BaseClass::Explode( pTrace, bitsDamageType );
}