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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================//
#include "cbase.h"
#include "tf_player.h"
#include "tf_basecombatweapon.h"
#include "basegrenade_shared.h"
#include "engine/IEngineSound.h"
#include "tf_shareddefs.h"
#include "IEffects.h"
#include "Sprite.h"
#include "grenade_antipersonnel.h"
// Damage CVars
ConVar weapon_antipersonnel_grenade_damage( "weapon_antipersonnel_grenade_damage","0", FCVAR_NONE, "Anti-personnel grenade maximum damage" );
ConVar weapon_antipersonnel_grenade_radius( "weapon_antipersonnel_grenade_radius","0", FCVAR_NONE, "Anti-personnel grenade splash radius" );
#if !defined( CLIENT_DLL )
// Server Only
ConVar weapon_antipersonnel_grenade_force( "weapon_antipersonnel_grenade_force","225.0", FCVAR_NONE, "Grenade explosive force modifier." );
#endif
IMPLEMENT_SERVERCLASS_ST(CGrenadeAntiPersonnel, DT_GrenadeAntiPersonnel)
END_SEND_TABLE()
LINK_ENTITY_TO_CLASS( grenade_antipersonnel, CGrenadeAntiPersonnel );
PRECACHE_WEAPON_REGISTER(grenade_antipersonnel);
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
CGrenadeAntiPersonnel::CGrenadeAntiPersonnel()
{
UseClientSideAnimation();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CGrenadeAntiPersonnel::Precache( void )
{
BaseClass::Precache( );
PrecacheModel( "models/weapons/w_grenade.mdl" );
PrecacheModel( "sprites/redglow1.vmt" );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CGrenadeAntiPersonnel::Spawn( void )
{
Precache();
SetMoveType( MOVETYPE_FLYGRAVITY, MOVECOLLIDE_FLY_BOUNCE );
SetSolid( SOLID_BBOX );
SetGravity( 1.0 );
SetFriction( 0.9 );
SetElasticity( 2.0f );
SetModel( "models/weapons/w_grenade.mdl" );
UTIL_SetSize(this, vec3_origin, vec3_origin);
SetTouch( BounceTouch );
SetCollisionGroup( TFCOLLISION_GROUP_GRENADE );
m_flDetonateTime = gpGlobals->curtime + 3.0;
SetThink( TumbleThink );
SetNextThink( gpGlobals->curtime + 0.1f );
// Set my damages to the cvar values
SetDamage( weapon_antipersonnel_grenade_damage.GetFloat() );
SetDamageRadius( weapon_antipersonnel_grenade_radius.GetFloat() );
// Create a green light
m_pLiveSprite = CSprite::SpriteCreate( "sprites/redglow1.vmt", GetLocalOrigin() + Vector(0,0,1), false );
m_pLiveSprite->SetTransparency( kRenderGlow, 0, 255, 0, 128, kRenderFxNoDissipation );
m_pLiveSprite->SetBrightness( 255 );
m_pLiveSprite->SetScale( 1 );
m_pLiveSprite->SetAttachment( this, 0 );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CGrenadeAntiPersonnel::UpdateOnRemove( void )
{
// Remove our live sprite
if ( m_pLiveSprite )
{
UTIL_Remove( m_pLiveSprite );
m_pLiveSprite = NULL;
}
// Chain at end to mimic destructor unwind order
BaseClass::UpdateOnRemove();
}
//-----------------------------------------------------------------------------
// Purpose: Allow shield parry's
//-----------------------------------------------------------------------------
void CGrenadeAntiPersonnel::BounceTouch( CBaseEntity *pOther )
{
// Don't blow up on trigger brushes
Assert( pOther );
if ( !pOther->IsSolid() )
return;
if ( pOther->GetCollisionGroup() == TFCOLLISION_GROUP_SHIELD )
{
// Move away from the shield...
// Fling it out a little extra along the plane normal
Vector vecCenter;
AngleVectors( pOther->GetAbsAngles(), &vecCenter );
// Bounce off the ground if it's on the ground...
Vector vecNewVelocity = GetAbsVelocity();
VectorMultiply( vecCenter, 400.0f, vecNewVelocity );
if ((GetFlags() & FL_ONGROUND) && vecNewVelocity.z <= 100.0f)
{
vecNewVelocity.z = 100.0f;
}
SetAbsVelocity( vecNewVelocity );
}
// If we're set to explode on contact, and we just hit an enemy, go kaboom
if ( m_bExplodeOnContact && !InSameTeam(pOther) && pOther->m_takedamage != DAMAGE_NO )
{
Detonate();
return;
}
BaseClass::BounceTouch( pOther );
}
//-----------------------------------------------------------------------------
// Purpose: Return the radius for the screenshake
//-----------------------------------------------------------------------------
float CGrenadeAntiPersonnel::GetShakeRadius( void )
{
return (m_DmgRadius * 2);
}
//-----------------------------------------------------------------------------
// Purpose: Create a missile
//-----------------------------------------------------------------------------
void CGrenadeAntiPersonnel::Detonate( void )
{
BaseClass::Detonate();
// iterate on all entities in the vicinity and find vehicles
CBaseEntity *pEntity = NULL;
for ( CEntitySphereQuery sphere( GetAbsOrigin(), m_DmgRadius ); ( pEntity = sphere.GetCurrentEntity() ) != NULL; sphere.NextEntity() )
{
// Check team.
if ( pEntity->GetTeam() == GetTeam() )
continue;
if ( pEntity->GetServerVehicle() )
{
IPhysicsObject *pPhysObject = pEntity->VPhysicsGetObject();
if ( pPhysObject )
{
// Rocket the vehicle in the direction of the incoming rocket.
Vector vecForceDir = pEntity->GetAbsOrigin() - GetAbsOrigin();
float flDistance = VectorNormalize( vecForceDir );
if ( flDistance >= 0.0f && flDistance < m_DmgRadius )
{
vecForceDir.z = 1.0f;
VectorNormalize( vecForceDir );
float flForce = pPhysObject->GetMass();
flForce += ( 4 * 500.0f ); // Wheels
flForce *= weapon_antipersonnel_grenade_force.GetFloat();
flForce *= ( 1.0f - ( flDistance / m_DmgRadius ) );
vecForceDir *= flForce;
pPhysObject->ApplyForceOffset( vecForceDir, GetAbsOrigin() );
}
}
}
}
}
//-----------------------------------------------------------------------------
// Purpose: Create a missile
//-----------------------------------------------------------------------------
CGrenadeAntiPersonnel *CGrenadeAntiPersonnel::Create( const Vector &vecOrigin, const Vector &vecForward, CBasePlayer *pOwner )
{
CGrenadeAntiPersonnel *pGrenade = (CGrenadeAntiPersonnel*)CreateEntityByName("grenade_antipersonnel");
UTIL_SetOrigin( pGrenade, vecOrigin );
pGrenade->Spawn();
pGrenade->ChangeTeam( pOwner->GetTeamNumber() );
pGrenade->SetOwnerEntity( pOwner );
pGrenade->SetThrower( pOwner );
pGrenade->SetAbsVelocity( vecForward );
QAngle angles;
VectorAngles( vecForward, angles );
pGrenade->SetLocalAngles( angles );
pGrenade->SetLocalAngularVelocity( RandomAngle(-500,500) );
return pGrenade;
}
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