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game/shared/tf/tf_weapon_grenade_caltrop.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: TF Caltrop Grenade.
+//
+//=============================================================================//
+#include "cbase.h"
+#include "tf_weaponbase.h"
+#include "tf_gamerules.h"
+#include "npcevent.h"
+#include "engine/IEngineSound.h"
+#include "tf_weapon_grenade_caltrop.h"
+
+// Server specific.
+#ifdef GAME_DLL
+#include "tf_player.h"
+#include "items.h"
+#include "tf_weaponbase_grenadeproj.h"
+#include "soundent.h"
+#include "KeyValues.h"
+#endif
+
+#define GRENADE_CALTROP_TIMER			3.0f //Seconds
+#define GRENADE_CALTROP_RELEASE_COUNT	6
+#define GRENADE_CALTROP_DAMAGE			10
+
+//=============================================================================
+//
+// TF Caltrop Grenade tables.
+//
+
+IMPLEMENT_NETWORKCLASS_ALIASED( TFGrenadeCaltrop, DT_TFGrenadeCaltrop )
+
+BEGIN_NETWORK_TABLE( CTFGrenadeCaltrop, DT_TFGrenadeCaltrop )
+END_NETWORK_TABLE()
+
+BEGIN_PREDICTION_DATA( CTFGrenadeCaltrop )
+END_PREDICTION_DATA()
+
+LINK_ENTITY_TO_CLASS( tf_weapon_grenade_caltrop, CTFGrenadeCaltrop );
+PRECACHE_WEAPON_REGISTER( tf_weapon_grenade_caltrop );
+
+//=============================================================================
+//
+// TF Caltrop Grenade functions.
+//
+
+// Server specific.
+#ifdef GAME_DLL
+
+BEGIN_DATADESC( CTFGrenadeCaltrop )
+END_DATADESC()
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+CTFWeaponBaseGrenadeProj *CTFGrenadeCaltrop::EmitGrenade( Vector vecSrc, QAngle vecAngles, Vector vecVel, 
+							        AngularImpulse angImpulse, CBasePlayer *pPlayer, float flTime, int iflags )
+{
+	// Release several at a time (different directions, angles, speeds, etc.)
+	for ( int i = 0 ; i < GRENADE_CALTROP_RELEASE_COUNT ; i++ )
+	{
+		Vector velocity( random->RandomFloat(-100,100), random->RandomFloat(-100,100), random->RandomFloat(150,200) );
+		CTFGrenadeCaltropProjectile::Create( vecSrc, vecAngles, velocity, angImpulse, 
+			                                 pPlayer, GetTFWpnData(), random->RandomFloat( 10.0f, 15.0f ) );
+	}
+
+	return NULL;
+}
+
+#endif
+
+//=============================================================================
+//
+// TF Caltrop Grenade Projectile functions (Server specific).
+//
+LINK_ENTITY_TO_CLASS( tf_weapon_grenade_caltrop_projectile, CTFGrenadeCaltropProjectile );
+PRECACHE_WEAPON_REGISTER( tf_weapon_grenade_caltrop_projectile );
+
+IMPLEMENT_NETWORKCLASS_ALIASED( TFGrenadeCaltropProjectile, DT_TFGrenadeCaltropProjectile )
+
+BEGIN_NETWORK_TABLE( CTFGrenadeCaltropProjectile, DT_TFGrenadeCaltropProjectile )
+END_NETWORK_TABLE()
+
+#ifdef GAME_DLL
+
+#define GRENADE_MODEL "models/weapons/w_models/w_grenade_beartrap.mdl"
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+CTFGrenadeCaltropProjectile* CTFGrenadeCaltropProjectile::Create( const Vector &position, const QAngle &angles, 
+																  const Vector &velocity, const AngularImpulse &angVelocity, 
+																  CBaseCombatCharacter *pOwner, const CTFWeaponInfo &weaponInfo,
+																  float timer, int iFlags )
+{
+	CTFGrenadeCaltropProjectile *pGrenade = static_cast<CTFGrenadeCaltropProjectile*>( CTFWeaponBaseGrenadeProj::Create( "tf_weapon_grenade_caltrop_projectile", position, angles, velocity, angVelocity, pOwner, weaponInfo, timer, iFlags ) );
+	if ( pGrenade )
+	{
+		pGrenade->ApplyLocalAngularVelocityImpulse( angVelocity );
+
+		pGrenade->SetTouch( &CTFGrenadeCaltropProjectile::Touch );
+	}
+
+	return pGrenade;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CTFGrenadeCaltropProjectile::Spawn()
+{
+	SetModel( GRENADE_MODEL );
+
+	BaseClass::Spawn();
+
+	// We want to get touch functions called so we can damage enemy players
+	AddSolidFlags( FSOLID_TRIGGER );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CTFGrenadeCaltropProjectile::Precache()
+{
+	PrecacheModel( GRENADE_MODEL );
+
+	BaseClass::Precache();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CTFGrenadeCaltropProjectile::BounceSound( void )
+{
+	EmitSound( "Weapon_Grenade_Caltrop.Bounce" );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CTFGrenadeCaltropProjectile::Detonate()
+{
+	if ( ShouldNotDetonate() )
+	{
+		RemoveGrenade();
+		return;
+	}
+
+	// have the caltrop disappear
+	UTIL_Remove( this );
+
+#if 0
+	// Tell the bots an HE grenade has exploded
+	CTFPlayer *pPlayer = ToTFPlayer( GetThrower() );
+	if ( pPlayer )
+	{
+		KeyValues *pEvent = new KeyValues( "tf_weapon_grenade_detonate" );
+		pEvent->SetInt( "userid", pPlayer->GetUserID() );
+		gameeventmanager->FireEventServerOnly( pEvent );
+	}
+#endif
+}
+#endif
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CTFGrenadeCaltropProjectile::Touch( CBaseEntity *pOther )
+{
+	if ( !pOther->IsPlayer() || !( pOther->GetFlags() & FL_ONGROUND ) || !pOther->IsAlive() )
+		return;
+
+	// Don't hurt friendlies
+	if ( GetTeamNumber() == pOther->GetTeamNumber() )
+		return;
+
+	// Caltrops need to be on the ground. Check to see if we're still moving.
+	Vector vecVelocity;
+	VPhysicsGetObject()->GetVelocity( &vecVelocity, NULL );
+	if ( vecVelocity.LengthSqr() > (1*1) )
+		return;
+
+#ifdef GAME_DLL
+	// Do the leg damage to the player
+	CTakeDamageInfo info( this, GetThrower(), GRENADE_CALTROP_DAMAGE, DMG_LEG_DAMAGE | DMG_PREVENT_PHYSICS_FORCE );
+	pOther->TakeDamage( info );
+
+	// have the caltrop disappear
+	UTIL_Remove( this );
+#endif
+}
+
+#ifdef CLIENT_DLL
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CTFGrenadeCaltropProjectile::OnDataChanged(DataUpdateType_t updateType)
+{
+	BaseClass::OnDataChanged(updateType);
+	
+	if ( updateType == DATA_UPDATE_CREATED )
+	{
+		/*
+		SetSolidFlags( FSOLID_NOT_STANDABLE );
+		SetSolid( SOLID_BBOX );	
+
+		SetCollisionBounds( Vector( -2.0f, -2.0f, -2.0f ), Vector( 2.0f, 2.0f, 2.0f ) );
+
+		// We want touch calls on the client.
+		// So override the collision group, but make it a trigger
+		SetCollisionGroup( COLLISION_GROUP_NONE );
+		AddSolidFlags( FSOLID_TRIGGER );
+
+		UpdatePartitionListEntry();
+
+		CollisionProp()->UpdatePartition();
+		*/
+	}
+}
+#endif