168 lines
4.3 KiB
C++
168 lines
4.3 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#include "cbase.h"
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#include "c_ai_basenpc.h"
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#include "beam_shared.h"
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#include "prop_portal_shared.h"
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#define FLOOR_TURRET_PORTAL_EYE_ATTACHMENT 1
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#define FLOOR_TURRET_PORTAL_LASER_ATTACHMENT 2
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#define FLOOR_TURRET_PORTAL_LASER_RANGE 8192
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#define FLOOR_TURRET_PORTAL_END_POINT_PULSE_SCALE 4.0f
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class C_NPC_Portal_FloorTurret : public C_AI_BaseNPC
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{
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public:
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DECLARE_CLASS( C_NPC_Portal_FloorTurret, C_AI_BaseNPC );
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DECLARE_CLIENTCLASS();
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virtual ~C_NPC_Portal_FloorTurret( void );
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virtual void Spawn( void );
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virtual void ClientThink( void );
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bool IsLaserOn( void ) { return m_pBeam != NULL; }
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void LaserOff( void );
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void LaserOn( void );
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float LaserEndPointSize( void );
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private:
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CBeam *m_pBeam;
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bool m_bOutOfAmmo;
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bool m_bLaserOn;
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int m_sLaserHaloSprite;
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float m_fPulseOffset;
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float m_bBeamFlickerOff;
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float m_fBeamFlickerTime;
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};
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IMPLEMENT_CLIENTCLASS_DT( C_NPC_Portal_FloorTurret, DT_NPC_Portal_FloorTurret, CNPC_Portal_FloorTurret )
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RecvPropBool( RECVINFO( m_bOutOfAmmo ) ),
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RecvPropBool( RECVINFO( m_bLaserOn ) ),
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RecvPropInt( RECVINFO( m_sLaserHaloSprite ) ),
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END_RECV_TABLE()
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C_NPC_Portal_FloorTurret::~C_NPC_Portal_FloorTurret( void )
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{
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LaserOff();
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if( m_pBeam )
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m_pBeam->Remove();
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}
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void C_NPC_Portal_FloorTurret::Spawn( void )
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{
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SetThink( &C_NPC_Portal_FloorTurret::ClientThink );
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SetNextClientThink( CLIENT_THINK_ALWAYS );
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m_pBeam = NULL;
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m_fPulseOffset = RandomFloat( 0.0f, 2.0f * M_PI );
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m_bBeamFlickerOff = false;
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m_fBeamFlickerTime = 0.0f;
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BaseClass::Spawn();
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}
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void C_NPC_Portal_FloorTurret::ClientThink( void )
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{
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if ( m_bOutOfAmmo && m_fBeamFlickerTime < gpGlobals->curtime )
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{
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m_fBeamFlickerTime = gpGlobals->curtime + RandomFloat( 0.05f, 0.3f );
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m_bBeamFlickerOff = !m_bBeamFlickerOff;
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}
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if ( m_bLaserOn && !m_bBeamFlickerOff )
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LaserOn();
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else
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LaserOff();
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}
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void C_NPC_Portal_FloorTurret::LaserOff( void )
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{
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if( m_pBeam )
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{
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m_pBeam->AddEffects( EF_NODRAW );
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}
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}
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void C_NPC_Portal_FloorTurret::LaserOn( void )
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{
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if ( !IsBoneAccessAllowed() )
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{
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LaserOff();
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return;
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}
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Vector vecMuzzle;
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QAngle angMuzzleDir;
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GetAttachment( FLOOR_TURRET_PORTAL_LASER_ATTACHMENT, vecMuzzle, angMuzzleDir );
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Vector vecEye;
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QAngle angEyeDir;
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GetAttachment( FLOOR_TURRET_PORTAL_EYE_ATTACHMENT, vecEye, angEyeDir );
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Vector vecMuzzleDir;
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AngleVectors( angEyeDir, &vecMuzzleDir );
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if (!m_pBeam)
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{
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m_pBeam = CBeam::BeamCreate( "effects/redlaser1.vmt", 0.2 );
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m_pBeam->SetColor( 255, 32, 32 );
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m_pBeam->SetBrightness( 255 );
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m_pBeam->SetNoise( 0 );
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m_pBeam->SetWidth( IsX360() ? ( 1.5f ) : ( 0.75f ) ); // On low end TVs these lasers are very hard to see at a distance
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m_pBeam->SetEndWidth( 0 );
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m_pBeam->SetScrollRate( 0 );
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m_pBeam->SetFadeLength( 0 );
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m_pBeam->SetHaloTexture( m_sLaserHaloSprite );
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m_pBeam->SetHaloScale( 4.0f );
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m_pBeam->SetCollisionGroup( COLLISION_GROUP_NONE );
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m_pBeam->PointsInit( vecMuzzle + vecMuzzleDir, vecMuzzle );
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m_pBeam->SetBeamFlag( FBEAM_REVERSED );
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m_pBeam->SetStartEntity( this );
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}
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else
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{
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m_pBeam->RemoveEffects( EF_NODRAW );
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}
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// Trace to find an endpoint
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Vector vEndPoint;
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float fEndFraction;
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Ray_t rayPath;
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rayPath.Init( vecMuzzle, vecMuzzle + vecMuzzleDir * FLOOR_TURRET_PORTAL_LASER_RANGE );
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CTraceFilterSkipClassname traceFilter( this, "prop_energy_ball", COLLISION_GROUP_NONE );
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if ( UTIL_Portal_TraceRay_Beam( rayPath, MASK_SHOT, &traceFilter, &fEndFraction ) )
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vEndPoint = vecMuzzle + vecMuzzleDir * FLOOR_TURRET_PORTAL_LASER_RANGE; // Trace went through portal and endpoint is unknown
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else
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vEndPoint = vecMuzzle + vecMuzzleDir * FLOOR_TURRET_PORTAL_LASER_RANGE * fEndFraction; // Trace hit a wall
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// The beam is backwards, sort of. The endpoint is the sniper. This is
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// so that the beam can be tapered to very thin where it emits from the turret.
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m_pBeam->PointsInit( vEndPoint, vecMuzzle );
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m_pBeam->SetHaloScale( LaserEndPointSize() );
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}
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float C_NPC_Portal_FloorTurret::LaserEndPointSize( void )
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{
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return ( ( MAX( 0.0f, sinf( gpGlobals->curtime * M_PI + m_fPulseOffset ) ) ) * FLOOR_TURRET_PORTAL_END_POINT_PULSE_SCALE + 3.0f ) * ( IsX360() ? ( 3.0f ) : ( 1.5f ) );
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} |