C++ CBasePlayer类代码示例

/*
=====================
HUD_WeaponsPostThink

Run Weapon firing code on client
=====================
*/
void HUD_WeaponsPostThink( local_state_s *from, local_state_s *to, usercmd_t *cmd, double time, unsigned int random_seed )
{
	int i;
	int buttonsChanged;
	CBasePlayerWeapon *pWeapon = NULL;
	static int lasthealth;
	int flags;

	HUD_InitClientWeapons();

	// Get current clock
	gpGlobals->time = time;

	// Fill in data based on selected weapon
	switch ( from->client.m_iId )
	{
		case WEAPON_P228:
			pWeapon = &g_P228;
			break;

		case WEAPON_SCOUT:
			pWeapon = &g_SCOUT;
			break;

		case WEAPON_HEGRENADE:
			pWeapon = &g_HEGrenade;
			break;

		case WEAPON_XM1014:
			pWeapon = &g_XM1014;
			break;

		case WEAPON_C4:
			pWeapon = &g_C4;
			break;

		case WEAPON_MAC10:
			pWeapon = &g_MAC10;
			break;

		case WEAPON_AUG:
			pWeapon = &g_AUG;
			break;

		case WEAPON_SMOKEGRENADE:
			pWeapon = &g_SmokeGrenade;
			break;

		case WEAPON_ELITE:
			pWeapon = &g_ELITE;
			break;

		case WEAPON_FIVESEVEN:
			pWeapon = &g_FiveSeven;
			break;

		case WEAPON_UMP45:
			pWeapon = &g_UMP45;
			break;

		case WEAPON_SG550:
			pWeapon = &g_SG550;
			break;

		case WEAPON_GALIL:
			pWeapon = &g_Galil;
			break;

		case WEAPON_FAMAS:
			pWeapon = &g_Famas;
			break;

		case WEAPON_USP:
			pWeapon = &g_USP;
			break;

		case WEAPON_GLOCK18:
			pWeapon = &g_GLOCK18;
			break;

		case WEAPON_AWP:
			pWeapon = &g_AWP;
			break;

		case WEAPON_MP5N:
			pWeapon = &g_MP5N;
			break;

		case WEAPON_M249:
			pWeapon = &g_M249;
			break;

		case WEAPON_M3:
//.........这里部分代码省略.........

//-----------------------------------------------------------------------------
// Purpose: Overloaded to handle the zoom functionality.
//-----------------------------------------------------------------------------
void CWeaponSniperRifle::ItemPostFrame( void )
{
	CBasePlayer *pPlayer = ToBasePlayer( GetOwner() );
	if (pPlayer == NULL)
	{
		return;
	}

	if ((m_bInReload) && (m_flNextPrimaryAttack <= gpGlobals->curtime))
	{
		FinishReload();
		m_bInReload = false;
	}

	if (pPlayer->m_nButtons & IN_ATTACK2)
	{
		if (m_fNextZoom <= gpGlobals->curtime)
		{
			Zoom();
			pPlayer->m_nButtons &= ~IN_ATTACK2;
		}
	}
	else if ((pPlayer->m_nButtons & IN_ATTACK) && (m_flNextPrimaryAttack <= gpGlobals->curtime))
	{
		if ( (m_iClip1 == 0 && UsesClipsForAmmo1()) || ( !UsesClipsForAmmo1() && !pPlayer->GetAmmoCount(m_iPrimaryAmmoType) ) )
		{
			m_bFireOnEmpty = true;
		}

		// Fire underwater?
		if (pPlayer->GetWaterLevel() == 3 && m_bFiresUnderwater == false)
		{
			WeaponSound(EMPTY);
			m_flNextPrimaryAttack = gpGlobals->curtime + 0.2;
			return;
		}
		else
		{
			// If the firing button was just pressed, reset the firing time
			if ( pPlayer && pPlayer->m_afButtonPressed & IN_ATTACK )
			{
				 m_flNextPrimaryAttack = gpGlobals->curtime;
			}

			PrimaryAttack();
		}
	}

	// -----------------------
	//  Reload pressed / Clip Empty
	// -----------------------
	if ( pPlayer->m_nButtons & IN_RELOAD && UsesClipsForAmmo1() && !m_bInReload ) 
	{
		// reload when reload is pressed, or if no buttons are down and weapon is empty.
		Reload();
	}

	// -----------------------
	//  No buttons down
	// -----------------------
	if (!((pPlayer->m_nButtons & IN_ATTACK) || (pPlayer->m_nButtons & IN_ATTACK2) || (pPlayer->m_nButtons & IN_RELOAD)))
	{
		// no fire buttons down
		m_bFireOnEmpty = false;

		if ( !HasAnyAmmo() && m_flNextPrimaryAttack < gpGlobals->curtime ) 
		{
			// weapon isn't useable, switch.
			if ( !(GetWeaponFlags() & ITEM_FLAG_NOAUTOSWITCHEMPTY) && pPlayer->SwitchToNextBestWeapon( this ) )
			{
				m_flNextPrimaryAttack = gpGlobals->curtime + 0.3;
				return;
			}
		}
		else
		{
			// weapon is useable. Reload if empty and weapon has waited as long as it has to after firing
			if ( m_iClip1 == 0 && !(GetWeaponFlags() & ITEM_FLAG_NOAUTORELOAD) && m_flNextPrimaryAttack < gpGlobals->curtime )
			{
				Reload();
				return;
			}
		}

		WeaponIdle( );
		return;
	}
}

//// HOST_SAY
// String comes in as
// say blah blah blah
// or as
// blah blah blah
//
void Host_Say( edict_t *pEntity, int teamonly )
{
	CBasePlayer *client;
	int		j;
	char	*p;
	char	text[128];
	char    szTemp[256];
	const char *cpSay = "say";
	const char *cpSayTeam = "say_team";
	const char *pcmd = CMD_ARGV(0);

	// We can get a raw string now, without the "say " prepended
	if ( CMD_ARGC() == 0 )
		return;

	if ( !stricmp( pcmd, cpSay) || !stricmp( pcmd, cpSayTeam ) )
	{
		if ( CMD_ARGC() >= 2 )
		{
			p = (char *)CMD_ARGS();
		}
		else
		{
			// say with a blank message, nothing to do
			return;
		}
	}
	else  // Raw text, need to prepend argv[0]
	{
		if ( CMD_ARGC() >= 2 )
		{
			sprintf( szTemp, "%s %s", ( char * )pcmd, (char *)CMD_ARGS() );
		}
		else
		{
			// Just a one word command, use the first word...sigh
			sprintf( szTemp, "%s", ( char * )pcmd );
		}
		p = szTemp;
	}

// remove quotes if present
	if (*p == '"')
	{
		p++;
		p[strlen(p)-1] = 0;
	}

// make sure the text has content
	for ( char *pc = p; pc != NULL && *pc != 0; pc++ )
	{
		if ( isprint( *pc ) && !isspace( *pc ) )
		{
			pc = NULL;	// we've found an alphanumeric character,  so text is valid
			break;
		}
	}
	if ( pc != NULL )
		return;  // no character found, so say nothing

// turn on color set 2  (color on,  no sound)
	if ( teamonly )
		sprintf( text, "%c(TEAM) %s: ", 2, STRING( pEntity->v.netname ) );
	else
		sprintf( text, "%c%s: ", 2, STRING( pEntity->v.netname ) );

	j = sizeof(text) - 2 - strlen(text);  // -2 for /n and null terminator
	if ( (int)strlen(p) > j )
		p[j] = 0;

	strcat( text, p );
	strcat( text, "\n" );

	// loop through all players
	// Start with the first player.
	// This may return the world in single player if the client types something between levels or during spawn
	// so check it, or it will infinite loop

	client = NULL;
	while ( ((client = (CBasePlayer*)UTIL_FindEntityByClassname( client, "player" )) != NULL) && (!FNullEnt(client->edict())) ) 
	{
		if ( !client->pev )
			continue;
		
		if ( client->edict() == pEntity )
			continue;

		if ( !(client->IsNetClient()) )	// Not a client ? (should never be true)
			continue;

		if ( teamonly && g_pGameRules->PlayerRelationship(client, CBaseEntity::Instance(pEntity)) != GR_TEAMMATE )
			continue;

		MESSAGE_BEGIN( MSG_ONE, gmsgSayText, NULL, client->pev );
//.........这里部分代码省略.........

//-----------------------------------------------------------------------------
// Purpose: Think method
//-----------------------------------------------------------------------------
void CTFFlameEntity::FlameThink( void )
{
	// if we've expired, remove ourselves
	if ( gpGlobals->curtime >= m_flTimeRemove )
	{
		UTIL_Remove( this );
		return;
	}

	// Do collision detection.  We do custom collision detection because we can do it more cheaply than the
	// standard collision detection (don't need to check against world unless we might have hit an enemy) and
	// flame entity collision detection w/o this was a bottleneck on the X360 server
	if ( GetAbsOrigin() != m_vecPrevPos )
	{
		CTFPlayer *pAttacker = dynamic_cast<CTFPlayer *>( (CBaseEntity *) m_hAttacker );
		if ( !pAttacker )
			return;

		CUtlVector<CTFTeam *> pTeamList;
		CTFTeam *pTeam = pAttacker->GetTFTeam();
		if ( pTeam )
			pTeam->GetOpposingTFTeamList(&pTeamList);
		else
			return;

		//CTFTeam *pTeam = pAttacker->GetOpposingTFTeam();
		//if ( !pTeam )
		//	return;
	
		bool bHitWorld = false;

		for (int i = 0; i < pTeamList.Size(); i++)
		{
			if (pTeamList[i])
			{
				// check collision against all enemy players
				for (int iPlayer = 0; iPlayer < pTeamList[i]->GetNumPlayers(); iPlayer++)
				{
					CBasePlayer *pPlayer = pTeamList[i]->GetPlayer(iPlayer);
					// Is this player connected, alive, and an enemy?
					if (pPlayer && pPlayer->IsConnected() && pPlayer->IsAlive() && pPlayer!=pAttacker)
					{
						CheckCollision(pPlayer, &bHitWorld);
						if (bHitWorld)
							return;
					}
				}

				// check collision against all enemy objects
				for (int iObject = 0; iObject < pTeamList[i]->GetNumObjects(); iObject++)
				{
					CBaseObject *pObject = pTeamList[i]->GetObject(iObject);
					if (pObject)
					{
						CheckCollision(pObject, &bHitWorld);
						if (bHitWorld)
							return;
					}
				}
			}
		}
	}

	// Calculate how long the flame has been alive for
	float flFlameElapsedTime = tf_flamethrower_flametime.GetFloat() - ( m_flTimeRemove - gpGlobals->curtime );
	// Calculate how much of the attacker's velocity to blend in to the flame's velocity.  The flame gets the attacker's velocity
	// added right when the flame is fired, but that velocity addition fades quickly to zero.
	float flAttackerVelocityBlend = RemapValClamped( flFlameElapsedTime, tf_flamethrower_velocityfadestart.GetFloat(), 
		tf_flamethrower_velocityfadeend.GetFloat(), 1.0, 0 );

	// Reduce our base velocity by the air drag constant
	m_vecBaseVelocity *= tf_flamethrower_drag.GetFloat();

	// Add our float upward velocity
	Vector vecVelocity = m_vecBaseVelocity + Vector( 0, 0, tf_flamethrower_float.GetFloat() ) + ( flAttackerVelocityBlend * m_vecAttackerVelocity );

	// Update our velocity
	SetAbsVelocity( vecVelocity );

	// Render debug visualization if convar on
	if ( tf_debug_flamethrower.GetInt() )
	{
		if ( m_hEntitiesBurnt.Count() > 0 )
		{
			int val = ( (int) ( gpGlobals->curtime * 10 ) ) % 255;
			NDebugOverlay::EntityBounds(this, val, 255, val, 0 ,0 );
		} 
		else 
		{
			NDebugOverlay::EntityBounds(this, 0, 100, 255, 0 ,0) ;
		}
	}

	SetNextThink( gpGlobals->curtime );

	m_vecPrevPos = GetAbsOrigin();
}

void ClientKill( edict_t *pEdict, const Vector &vecForce, bool bExplode = false )
{
	CBasePlayer *pPlayer = static_cast<CBasePlayer*>( GetContainingEntity( pEdict ) );
	pPlayer->CommitSuicide( vecForce, bExplode );
}

//------------------------------------------------------------------------------
// Purpose : Draws a large crosshair at flCrossDistance from the debug player
//			 with tick marks
// Input   :
// Output  :
//------------------------------------------------------------------------------
void NDebugOverlay::DrawPositioningOverlay( float flCrossDistance )
{
	CBasePlayer* pPlayer = UTIL_PlayerByIndex(CBaseEntity::m_nDebugPlayer);

	if (!pPlayer) 
	{
		return;
	}

	Vector pRight;
	pPlayer->EyeVectors( NULL, &pRight, NULL );

#ifdef _WIN32
	Vector topPos		= NWCEdit::AirNodePlacementPosition();
#else
        Vector pForward;
        pPlayer->EyeVectors( &pForward );

        Vector  floorVec = pForward;
        floorVec.z = 0;
        VectorNormalize( floorVec );
        VectorNormalize( pForward );

        float cosAngle = DotProduct(floorVec,pForward);

        float lookDist = g_pAINetworkManager->GetEditOps()->m_flAirEditDistance/cosAngle;
        Vector topPos = pPlayer->EyePosition()+pForward * lookDist;
#endif

	Vector bottomPos	= topPos;
	bottomPos.z			= GetLongFloorZ(bottomPos);

	// Make sure we can see the target pos
	trace_t tr;
	Vector	endPos;
	UTIL_TraceLine(pPlayer->EyePosition(), topPos, MASK_NPCSOLID_BRUSHONLY, pPlayer, COLLISION_GROUP_NONE, &tr);
	if (tr.fraction == 1.0)
	{
		Vector rightTrace = topPos + pRight*400;
		float  traceLen	  = (topPos - rightTrace).Length();
		UTIL_TraceLine(topPos, rightTrace, MASK_NPCSOLID_BRUSHONLY, pPlayer, COLLISION_GROUP_NONE, &tr);
		endPos = topPos+(pRight*traceLen*tr.fraction);
		NDebugOverlay::DrawTickMarkedLine(topPos, endPos, 24.0, 5, 255,0,0,false,0);

		Vector leftTrace	= topPos - pRight*400;
		traceLen			= (topPos - leftTrace).Length();
		UTIL_TraceLine(topPos, leftTrace, MASK_NPCSOLID_BRUSHONLY, pPlayer, COLLISION_GROUP_NONE, &tr);
		endPos				= topPos-(pRight*traceLen*tr.fraction);
		NDebugOverlay::DrawTickMarkedLine(topPos, endPos, 24.0, 5, 255,0,0,false,0);

		Vector upTrace		= topPos + Vector(0,0,1)*400;
		traceLen			= (topPos - upTrace).Length();
		UTIL_TraceLine(topPos, upTrace, MASK_NPCSOLID_BRUSHONLY, pPlayer, COLLISION_GROUP_NONE, &tr);
		endPos				= topPos+(Vector(0,0,1)*traceLen*tr.fraction);
		NDebugOverlay::DrawTickMarkedLine(bottomPos, endPos, 24.0, 5, 255,0,0,false,0);

		// Draw white cross at center
		Cross3D(topPos, Vector(-2,-2,-2), Vector(2,2,2), 255,255,255, true, 0);
	}
	else
	{
		// Draw warning  cross at center
		Cross3D(topPos, Vector(-2,-2,-2), Vector(2,2,2), 255,100,100, true, 0 );
	}
	/*  Don't show distance for now.
	char text[25];
	Q_snprintf(text,sizeof(text),"%3.0f",flCrossDistance/12.0);
	Vector textPos = topPos - pRight*16 + Vector(0,0,10);
	NDebugOverlay::Text( textPos, text, true, 0 );
	*/
}

void CWeaponEgon::Fire( const Vector &vecOrigSrc, const Vector &vecDir )
{
	CBasePlayer *pPlayer = ToBasePlayer( GetOwner() );
	if ( !pPlayer )
	{
		return;
	}

	//CSoundEnt::InsertSound( SOUND_COMBAT, GetAbsOrigin(), 450, 0.1 );
    WeaponSound( SINGLE );

	Vector vecDest	= vecOrigSrc + (vecDir * MAX_TRACE_LENGTH);

	trace_t	tr;
	UTIL_TraceLine( vecOrigSrc, vecDest, MASK_SHOT, pPlayer, COLLISION_GROUP_NONE, &tr );

	if ( tr.allsolid )
		return;

	CBaseEntity *pEntity = tr.m_pEnt;
	if ( pEntity == NULL )
		return;

	if ( g_pGameRules->IsMultiplayer() )
	{
		if ( m_hSprite )
		{
			if ( pEntity->m_takedamage != DAMAGE_NO )
			{
				m_hSprite->TurnOn();
			}
			else
			{
				m_hSprite->TurnOff();
			}
		}
	}

	if ( m_flDmgTime < gpGlobals->curtime )
	{
		// wide mode does damage to the ent, and radius damage
		if ( pEntity->m_takedamage != DAMAGE_NO )
		{
			ClearMultiDamage();
			CTakeDamageInfo info(this, pPlayer, sk_plr_dmg_egon_wide.GetFloat() * g_pGameRules->GetDamageMultiplier(), DMG_ENERGYBEAM | DMG_ALWAYSGIB | DMG_CRUSH);
			CalculateMeleeDamageForce( &info, vecDir, tr.endpos );
			pEntity->DispatchTraceAttack( info, vecDir, &tr );
			ApplyMultiDamage();
		}

		if ( g_pGameRules->IsMultiplayer() )
		{
			// radius damage a little more potent in multiplayer.
#ifndef CLIENT_DLL
			RadiusDamage(CTakeDamageInfo(this, pPlayer, sk_plr_dmg_egon_wide.GetFloat() * g_pGameRules->GetDamageMultiplier() / 4, DMG_ENERGYBEAM | DMG_BLAST | DMG_ALWAYSGIB | DMG_CRUSH), tr.endpos, 128, CLASS_NONE, NULL);
#endif
		}

		if ( !pPlayer->IsAlive() )
			return;

		if ( g_pGameRules->IsMultiplayer() )
		{
			//multiplayer uses 5 ammo/second
			if ( gpGlobals->curtime >= m_flAmmoUseTime )
			{
				UseAmmo( 1 );
				m_flAmmoUseTime = gpGlobals->curtime + 0.2;
			}
		}
		else
		{
			// Wide mode uses 10 charges per second in single player
			if ( gpGlobals->curtime >= m_flAmmoUseTime )
			{
				UseAmmo( 1 );
				m_flAmmoUseTime = gpGlobals->curtime + 0.1;
			}
		}

		m_flDmgTime = gpGlobals->curtime + EGON_DISCHARGE_INTERVAL;
		if ( m_flShakeTime < gpGlobals->curtime )
		{
#ifndef CLIENT_DLL
			UTIL_ScreenShake( tr.endpos, 5.0, 150.0, 0.75, 250.0, SHAKE_START );
#endif
			m_flShakeTime = gpGlobals->curtime + 1.5;
		}
	}

	Vector vecUp, vecRight;
	QAngle angDir;

	VectorAngles( vecDir, angDir );
	AngleVectors( angDir, NULL, &vecRight, &vecUp );

	Vector tmpSrc = vecOrigSrc + (vecUp * -8) + (vecRight * 3);
	UpdateEffect( tmpSrc, tr.endpos );
}

	void CPlantedC4::C4Think()
	{
		if (!IsInWorld())
		{
			UTIL_Remove( this );
			return;
		}

		//Bomb is dead, don't think anymore
		if( !m_bBombTicking )
		{
			SetThink( NULL );
			return;
		}
				

		SetNextThink( gpGlobals->curtime + 0.12 );

#ifndef CLIENT_DLL
		// let the bots hear the bomb beeping
		// BOTPORT: Emit beep events at same time as client effects
		IGameEvent * event = gameeventmanager->CreateEvent( "bomb_beep" );
		if( event )
		{
			event->SetInt( "entindex", entindex() );
			gameeventmanager->FireEvent( event );
		}
#endif
		
		// IF the timer has expired ! blow this bomb up!
		if (m_flC4Blow <= gpGlobals->curtime)
		{
			// give the defuser credit for defusing the bomb
			CBasePlayer *pBombOwner = dynamic_cast< CBasePlayer* >( GetOwnerEntity() );
			if ( pBombOwner )
			{
				pBombOwner->IncrementFragCount( 3 );
			}

			CSGameRules()->m_bBombDropped = false;

			trace_t tr;
			Vector vecSpot = GetAbsOrigin();
			vecSpot[2] += 8;

			UTIL_TraceLine( vecSpot, vecSpot + Vector ( 0, 0, -40 ), MASK_SOLID, this, COLLISION_GROUP_NONE, &tr );

			Explode( &tr, DMG_BLAST );

			CSGameRules()->m_bBombPlanted = false;

			IGameEvent * event = gameeventmanager->CreateEvent( "bomb_exploded" );
			if( event )
			{
				event->SetInt( "userid", pBombOwner?pBombOwner->GetUserID():-1 );
				event->SetInt( "site", m_iBombSiteIndex );
				event->SetInt( "priority", 9 );
				gameeventmanager->FireEvent( event );
			}
		}

		//if the defusing process has started
		if ((m_bStartDefuse == true) && (m_pBombDefuser != NULL))
		{
			//if the defusing process has not ended yet
			if ( m_flDefuseCountDown > gpGlobals->curtime)
			{
				int iOnGround = FBitSet( m_pBombDefuser->GetFlags(), FL_ONGROUND );

				//if the bomb defuser has stopped defusing the bomb
				if( m_flNextDefuse < gpGlobals->curtime || !iOnGround )
				{
					if ( !iOnGround && m_pBombDefuser->IsAlive() )
						ClientPrint( m_pBombDefuser, HUD_PRINTCENTER, "#C4_Defuse_Must_Be_On_Ground");

					// release the player from being frozen
					m_pBombDefuser->ResetMaxSpeed();
					m_pBombDefuser->m_bIsDefusing = false;

#ifndef CLIENT_DLL
					// tell the bots someone has aborted defusing
					IGameEvent * event = gameeventmanager->CreateEvent( "bomb_abortdefuse" );
					if( event )
					{
						event->SetInt("userid", m_pBombDefuser->GetUserID() );
						event->SetInt( "priority", 6 );
						gameeventmanager->FireEvent( event );
					}
#endif

					//cancel the progress bar
					m_pBombDefuser->SetProgressBarTime( 0 );
					m_pBombDefuser = NULL;
					m_bStartDefuse = false;
					m_flDefuseCountDown = 0;
					m_flDefuseLength = 0;	//force it to show completely defused
				}

				return;
			}
//.........这里部分代码省略.........

//.........这里部分代码省略.........
						float flMass = pBlockingEntity->VPhysicsGetObject()->GetMass();
						float scale = flMass / MASS_ABSORB_ALL_DAMAGE;

						// Absorbed all the damage.
						if( scale >= 1.0f )
						{
							continue;
						}

						ASSERT( scale > 0.0f );
						flBlockedDamagePercent = scale;
						//Msg("  Object (%s) weighing %fkg blocked %f percent of explosion damage\n", pBlockingEntity->GetClassname(), flMass, scale * 100.0f);
					}
					else
					{
						// Some object that's not the world and not physics. Generically block 25% damage
						flBlockedDamagePercent = 0.25f;
					}
				}
			}
		}
		// decrease damage for an ent that's farther from the bomb.
		flAdjustedDamage = ( vecSrc - tr.endpos ).Length() * falloff;
		flAdjustedDamage = info.GetDamage() - flAdjustedDamage;

		if ( flAdjustedDamage <= 0 )
		{
			continue;
		}

		// the explosion can 'see' this entity, so hurt them!
		if (tr.startsolid)
		{
			// if we're stuck inside them, fixup the position and distance
			tr.endpos = vecSrc;
			tr.fraction = 0.0;
		}
		
		CTakeDamageInfo adjustedInfo = info;
		//Msg("%s: Blocked damage: %f percent (in:%f  out:%f)\n", pEntity->GetClassname(), flBlockedDamagePercent * 100, flAdjustedDamage, flAdjustedDamage - (flAdjustedDamage * flBlockedDamagePercent) );
		adjustedInfo.SetDamage( flAdjustedDamage - (flAdjustedDamage * flBlockedDamagePercent) );

		// Now make a consideration for skill level!
		if( info.GetAttacker() && info.GetAttacker()->IsPlayer() && pEntity->IsNPC() )
		{
			// An explosion set off by the player is harming an NPC. Adjust damage accordingly.
			adjustedInfo.AdjustPlayerDamageInflictedForSkillLevel();
		}

		Vector dir = vecSpot - vecSrc;
		VectorNormalize( dir );

		// If we don't have a damage force, manufacture one
		if ( adjustedInfo.GetDamagePosition() == vec3_origin || adjustedInfo.GetDamageForce() == vec3_origin )
		{
			if ( !( adjustedInfo.GetDamageType() & DMG_PREVENT_PHYSICS_FORCE ) )
			{
				CalculateExplosiveDamageForce( &adjustedInfo, dir, vecSrc );
			}
		}
		else
		{
			// Assume the force passed in is the maximum force. Decay it based on falloff.
			float flForce = adjustedInfo.GetDamageForce().Length() * falloff;
			adjustedInfo.SetDamageForce( dir * flForce );
			adjustedInfo.SetDamagePosition( vecSrc );
		}

		if ( tr.fraction != 1.0 && pEntity == tr.m_pEnt )
		{
			ClearMultiDamage( );
			pEntity->DispatchTraceAttack( adjustedInfo, dir, &tr );
			ApplyMultiDamage();
		}
		else
		{
			pEntity->TakeDamage( adjustedInfo );
		}

		// Now hit all triggers along the way that respond to damage... 
		pEntity->TraceAttackToTriggers( adjustedInfo, vecSrc, tr.endpos, dir );

#if defined( GAME_DLL )
		if ( info.GetAttacker() && info.GetAttacker()->IsPlayer() && ToBaseCombatCharacter( tr.m_pEnt ) )
		{

			// This is a total hack!!!
			bool bIsPrimary = true;
			CBasePlayer *player = ToBasePlayer( info.GetAttacker() );
			CBaseCombatWeapon *pWeapon = player->GetActiveWeapon();
			if ( pWeapon && FClassnameIs( pWeapon, "weapon_smg1" ) )
			{
				bIsPrimary = false;
			}

			gamestats->Event_WeaponHit( player, bIsPrimary, (pWeapon != NULL) ? player->GetActiveWeapon()->GetClassname() : "NULL", info );
		}
#endif
	}
}

//------------------------------------------------------------------------------
// Purpose : Starts the swing of the weapon and determines the animation
// Input   : bIsSecondary - is this a secondary attack?
//------------------------------------------------------------------------------
void CBaseHL2MPBludgeonWeapon::Swing( int bIsSecondary )
{
	trace_t traceHit;

	// Try a ray
	CBasePlayer *pOwner = ToBasePlayer( GetOwner() );
	if ( !pOwner )
		return;

	Vector swingStart = pOwner->Weapon_ShootPosition( );
	Vector forward;

	pOwner->EyeVectors( &forward, NULL, NULL );

	Vector swingEnd = swingStart + forward * GetRange();
	UTIL_TraceLine( swingStart, swingEnd, MASK_SHOT_HULL, pOwner, COLLISION_GROUP_NONE, &traceHit );
	Activity nHitActivity = ACT_VM_HITCENTER;

#ifndef CLIENT_DLL
	// Like bullets, bludgeon traces have to trace against triggers.
	CTakeDamageInfo triggerInfo( GetOwner(), GetOwner(), GetDamageForActivity( nHitActivity ), DMG_CLUB );
	TraceAttackToTriggers( triggerInfo, traceHit.startpos, traceHit.endpos, vec3_origin );
#endif

	if ( traceHit.fraction == 1.0 )
	{
		float bludgeonHullRadius = 1.732f * BLUDGEON_HULL_DIM;  // hull is +/- 16, so use cuberoot of 2 to determine how big the hull is from center to the corner point

		// Back off by hull "radius"
		swingEnd -= forward * bludgeonHullRadius;

		UTIL_TraceHull( swingStart, swingEnd, g_bludgeonMins, g_bludgeonMaxs, MASK_SHOT_HULL, pOwner, COLLISION_GROUP_NONE, &traceHit );
		if ( traceHit.fraction < 1.0 && traceHit.m_pEnt )
		{
			Vector vecToTarget = traceHit.m_pEnt->GetAbsOrigin() - swingStart;
			VectorNormalize( vecToTarget );

			float dot = vecToTarget.Dot( forward );

			// YWB:  Make sure they are sort of facing the guy at least...
			if ( dot < 0.70721f )
			{
				// Force amiss
				traceHit.fraction = 1.0f;
			}
			else
			{
				nHitActivity = ChooseIntersectionPointAndActivity( traceHit, g_bludgeonMins, g_bludgeonMaxs, pOwner );
			}
		}
	}

	WeaponSound( SINGLE );

	// -------------------------
	//	Miss
	// -------------------------
	if ( traceHit.fraction == 1.0f )
	{
		nHitActivity = bIsSecondary ? ACT_VM_MISSCENTER2 : ACT_VM_MISSCENTER;

		// We want to test the first swing again
		Vector testEnd = swingStart + forward * GetRange();
		
		// See if we happened to hit water
		ImpactWater( swingStart, testEnd );
	}
	else
	{
		Hit( traceHit, nHitActivity );
	}

	// Send the anim
	SendWeaponAnim( nHitActivity );

	pOwner->SetAnimation( PLAYER_ATTACK1 );
	ToHL2MPPlayer(pOwner)->DoAnimationEvent( PLAYERANIMEVENT_ATTACK_PRIMARY );


	//Setup our next attack times
	m_flNextPrimaryAttack = gpGlobals->curtime + GetFireRate();
	m_flNextSecondaryAttack = gpGlobals->curtime + SequenceDuration();
}

void CASW_Simple_Alien::MeleeAttack( float distance, float damage, QAngle &viewPunch, Vector &shove )
{
	Vector vecForceDir;

	// Always hurt bullseyes for now
	if ( ( GetEnemy() != NULL ) && ( GetEnemy()->Classify() == CLASS_BULLSEYE ) )
	{
		vecForceDir = (GetEnemy()->GetAbsOrigin() - GetAbsOrigin());
		CTakeDamageInfo info( this, this, damage, DMG_SLASH );
		CalculateMeleeDamageForce( &info, vecForceDir, GetEnemy()->GetAbsOrigin() );
		GetEnemy()->TakeDamage( info );
		return;
	}

	CBaseEntity *pHurt = CheckTraceHullAttack( distance, -Vector(16,16,32), Vector(16,16,32), damage, DMG_SLASH, 5.0f );

	if ( pHurt )
	{
		vecForceDir = ( pHurt->WorldSpaceCenter() - WorldSpaceCenter() );

		CBasePlayer *pPlayer = ToBasePlayer( pHurt );

		if ( pPlayer != NULL )
		{
			//Kick the player angles
			pPlayer->ViewPunch( viewPunch );

			Vector	dir = pHurt->GetAbsOrigin() - GetAbsOrigin();
			VectorNormalize(dir);

			QAngle angles;
			VectorAngles( dir, angles );
			Vector forward, right;
			AngleVectors( angles, &forward, &right, NULL );

			//Push the target back
			pHurt->ApplyAbsVelocityImpulse( - right * shove[1] - forward * shove[0] );
		}

		// Play a random attack hit sound
		AttackSound();

		// bleed em
		if ( UTIL_ShouldShowBlood(pHurt->BloodColor()) )
		{
			// Hit an NPC. Bleed them!
			Vector vecBloodPos;

			Vector forward, right, up;
			AngleVectors( GetAbsAngles(), &forward, &right, &up );

			//if( GetAttachment( "leftclaw", vecBloodPos ) )
			{
				//Vector diff = vecBloodPos - GetAbsOrigin();
				//if (diff.z < 0)
					//vecBloodPos.z = GetAbsOrigin().z - (diff.z * 2);
				vecBloodPos = GetAbsOrigin() + forward * 60 - right * 14 + up * 50;
				SpawnBlood( vecBloodPos, g_vecAttackDir, pHurt->BloodColor(), MIN( damage, 30 ) );
			}

			//if( GetAttachment( "rightclaw", vecBloodPos ) )
			{				
				vecBloodPos = GetAbsOrigin() + forward * 60 + right * 14 + up * 50;
				SpawnBlood( vecBloodPos, g_vecAttackDir, pHurt->BloodColor(), MIN( damage, 30 ) );
			}
						
		}
	}
}

//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CWeapon357::PrimaryAttack( void )
{
    // Only the player fires this way so we can cast
    CBasePlayer *pPlayer = ToBasePlayer( GetOwner() );

    if ( !pPlayer )
    {
        return;
    }

    if ( m_iClip1 <= 0 )
    {
        if ( !m_bFireOnEmpty )
        {
            Reload();
        }
        else
        {
            WeaponSound( EMPTY );
            m_flNextPrimaryAttack = 0.15;
        }

        return;
    }

    WeaponSound( SINGLE );
    pPlayer->DoMuzzleFlash();

    SendWeaponAnim( ACT_VM_PRIMARYATTACK );
    pPlayer->SetAnimation( PLAYER_ATTACK1 );

    m_flNextPrimaryAttack = gpGlobals->curtime + 0.75;
    m_flNextSecondaryAttack = gpGlobals->curtime + 0.75;

    m_iClip1--;

    Vector vecSrc		= pPlayer->Weapon_ShootPosition();
    Vector vecAiming	= pPlayer->GetAutoaimVector( AUTOAIM_5DEGREES );

    FireBulletsInfo_t info( 1, vecSrc, vecAiming, vec3_origin, MAX_TRACE_LENGTH, m_iPrimaryAmmoType );
    info.m_pAttacker = pPlayer;

    // Fire the bullets, and force the first shot to be perfectly accuracy
    pPlayer->FireBullets( info );

    //Disorient the player
    QAngle angles = pPlayer->GetLocalAngles();

    angles.x += random->RandomInt( -1, 1 );
    angles.y += random->RandomInt( -1, 1 );
    angles.z = 0;

#ifndef CLIENT_DLL
    pPlayer->SnapEyeAngles( angles );
#endif

    pPlayer->ViewPunch( QAngle( -8, random->RandomFloat( -2, 2 ), 0 ) );

    if ( !m_iClip1 && pPlayer->GetAmmoCount( m_iPrimaryAmmoType ) <= 0 )
    {
        // HEV suit - indicate out of ammo condition
        pPlayer->SetSuitUpdate( "!HEV_AMO0", FALSE, 0 );
    }
}

//-----------------------------------------------------------------------------
// Purpose: See if I can make my leaping attack!!
//
//
//-----------------------------------------------------------------------------
int CFastZombie::RangeAttack1Conditions( float flDot, float flDist )
{
#define FASTZOMBIE_MINLEAP	128
#define FASTZOMBIE_MAXLEAP	508 // see me if you have questions about this (sjb - telegraphing)

    if (GetEnemy() == NULL)
    {
        return( COND_NONE );
    }

    if( !(GetFlags() & FL_ONGROUND) )
    {
        return COND_NONE;
    }

    if( gpGlobals->curtime < m_flNextAttack )
    {
        return( COND_NONE );
    }

    if (flDot < 0.8)
    {
        //return COND_NOT_FACING_ATTACK;
        return COND_NONE;
    }

    // make sure the enemy isn't on a roof and I'm in the streets (Ravenholm)
    float flZDist;
    flZDist = GetEnemy()->GetLocalOrigin().z - GetLocalOrigin().z;
    if( flZDist > 128 )
    {
        return COND_TOO_FAR_TO_ATTACK;
    }

    if( flDist > FASTZOMBIE_MAXLEAP )
    {
        return COND_TOO_FAR_TO_ATTACK;
    }

    if( flDist < FASTZOMBIE_MINLEAP )
    {
        //return COND_TOO_CLOSE_TO_ATTACK;
        return COND_NONE;
    }

    if ( !IsMoving() )
    {
        // I Have to be running!!!
        return COND_NONE;
    }

    // Don't jump at the player unless he's facing me.
    // This allows the player to get away if he turns and sprints
    CBasePlayer *pPlayer = static_cast<CBasePlayer*>( GetEnemy() );

    if( pPlayer )
    {
        // If the enemy is a player, don't attack from behind!
        if( !pPlayer->FInViewCone( this ) )
        {
            return COND_NONE;
        }
    }


    // Drumroll please!
    // The final check! Is the path from my position to halfway between me
    // and the player clear?
    trace_t tr;
    Vector vecDirToEnemy;

    vecDirToEnemy = GetEnemy()->WorldSpaceCenter() - WorldSpaceCenter();
    Vector vecHullMin( -16, -16, -16 );
    Vector vecHullMax( 16, 16, 16 );

    // only check half the distance. (the first part of the jump)
    vecDirToEnemy = vecDirToEnemy * 0.5;

    AI_TraceHull( WorldSpaceCenter(), WorldSpaceCenter() + vecDirToEnemy, vecHullMin, vecHullMax, MASK_SHOT, this, COLLISION_GROUP_NONE, &tr );

    if( tr.fraction != 1.0 )
    {
        // There's some sort of obstacle pretty much right in front of me.
        return COND_NONE;
    }

    return COND_CAN_RANGE_ATTACK1;
}

//=========================================================
// CWeaponBox - Touch: try to add my contents to the toucher
// if the toucher is a player.
//=========================================================
void CWeaponBox::Touch(CBaseEntity *pOther)
{
	if(!(pev->flags & FL_ONGROUND))
	{
		return;
	}

	if(!pOther->IsPlayer())
	{
		// only players may touch a weaponbox.
		return;
	}

	if(!pOther->IsAlive())
	{
		// no dead guys.
		return;
	}

	CBasePlayer *pPlayer = (CBasePlayer *)pOther;
	int          i;

	// dole out ammo
	for(i = 0; i < MAX_AMMO_SLOTS; i++)
	{
		if(!FStringNull(m_rgiszAmmo[i]))
		{
			// there's some ammo of this type.
			pPlayer->GiveAmmo(m_rgAmmo[i], (char *)STRING(m_rgiszAmmo[i]), MaxAmmoCarry(m_rgiszAmmo[i]));

			//ALERT ( at_console, "Gave %d rounds of %s\n", m_rgAmmo[i], STRING(m_rgiszAmmo[i]) );

			// now empty the ammo from the weaponbox since we just gave it to the player
			m_rgiszAmmo[i] = iStringNull;
			m_rgAmmo[i]    = 0;
		}
	}

	// go through my weapons and try to give the usable ones to the player.
	// it's important the the player be given ammo first, so the weapons code doesn't refuse
	// to deploy a better weapon that the player may pick up because he has no ammo for it.
	for(i = 0; i < MAX_ITEM_TYPES; i++)
	{
		if(m_rgpPlayerItems[i])
		{
			CBasePlayerItem *pItem;

			// have at least one weapon in this slot
			while(m_rgpPlayerItems[i])
			{
				//ALERT ( at_console, "trying to give %s\n", STRING( m_rgpPlayerItems[ i ]->pev->classname ) );

				pItem               = m_rgpPlayerItems[i];
				m_rgpPlayerItems[i] = m_rgpPlayerItems[i]->m_pNext; // unlink this weapon from the box

				if(pPlayer->AddPlayerItem(pItem))
				{
					pItem->AttachToPlayer(pPlayer);
				}
			}
		}
	}

	EMIT_SOUND(pOther->edict(), CHAN_ITEM, "items/gunpickup2.wav", 1, ATTN_NORM);
	SetTouch(NULL);
	UTIL_Remove(this);
}

void CLagCompensationManager::BacktrackPlayer( CBasePlayer *pPlayer, float flTargetTime )
{
	Vector org;
	Vector minsPreScaled;
	Vector maxsPreScaled;
	QAngle ang;

	VPROF_BUDGET( "BacktrackPlayer", "CLagCompensationManager" );
	int pl_index = pPlayer->entindex() - 1;

	// get track history of this player
	CUtlFixedLinkedList< LagRecord > *track = &m_PlayerTrack[ pl_index ];

	// check if we have at leat one entry
	if ( track->Count() <= 0 )
		return;

	int curr = track->Head();

	LagRecord *prevRecord = NULL;
	LagRecord *record = NULL;

	Vector prevOrg = pPlayer->GetLocalOrigin();
	
	// Walk context looking for any invalidating event
	while( track->IsValidIndex(curr) )
	{
		// remember last record
		prevRecord = record;

		// get next record
		record = &track->Element( curr );

		if ( !(record->m_fFlags & LC_ALIVE) )
		{
			// player most be alive, lost track
			return;
		}

		Vector delta = record->m_vecOrigin - prevOrg;
		if ( delta.Length2DSqr() > m_flTeleportDistanceSqr )
		{
			// lost track, too much difference
			return; 
		}

		// did we find a context smaller than target time ?
		if ( record->m_flSimulationTime <= flTargetTime )
			break; // hurra, stop

		prevOrg = record->m_vecOrigin;

		// go one step back
		curr = track->Next( curr );
	}

	Assert( record );

	if ( !record )
	{
		if ( sv_unlag_debug.GetBool() )
		{
			DevMsg( "No valid positions in history for BacktrackPlayer client ( %s )\n", pPlayer->GetPlayerName() );
		}

		return; // that should never happen
	}

	float frac = 0.0f;
	if ( prevRecord && 
		 (record->m_flSimulationTime < flTargetTime) &&
		 (record->m_flSimulationTime < prevRecord->m_flSimulationTime) )
	{
		// we didn't find the exact time but have a valid previous record
		// so interpolate between these two records;

		Assert( prevRecord->m_flSimulationTime > record->m_flSimulationTime );
		Assert( flTargetTime < prevRecord->m_flSimulationTime );

		// calc fraction between both records
		frac = ( flTargetTime - record->m_flSimulationTime ) / 
			( prevRecord->m_flSimulationTime - record->m_flSimulationTime );

		Assert( frac > 0 && frac < 1 ); // should never extrapolate

		ang				= Lerp( frac, record->m_vecAngles, prevRecord->m_vecAngles );
		org				= Lerp( frac, record->m_vecOrigin, prevRecord->m_vecOrigin );
		minsPreScaled	= Lerp( frac, record->m_vecMinsPreScaled, prevRecord->m_vecMinsPreScaled );
		maxsPreScaled	= Lerp( frac, record->m_vecMaxsPreScaled, prevRecord->m_vecMaxsPreScaled );
	}
	else
	{
		// we found the exact record or no other record to interpolate with
		// just copy these values since they are the best we have
		org				= record->m_vecOrigin;
		ang				= record->m_vecAngles;
		minsPreScaled	= record->m_vecMinsPreScaled;
		maxsPreScaled	= record->m_vecMaxsPreScaled;
	}

//.........这里部分代码省略.........