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538 lines
15 KiB
538 lines
15 KiB
![]()
2 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Implements the big scary boom-boom machine Antlions fear.
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//
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//=============================================================================//
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#include "cbase.h"
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#include "baseentity.h"
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#include "rotorwash.h"
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#include "soundenvelope.h"
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#include "engine/IEngineSound.h"
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#include "te_effect_dispatch.h"
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#include "point_posecontroller.h"
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#include "prop_portal_shared.h"
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#define TELESCOPE_ENABLE_TIME 1.0f
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#define TELESCOPE_DISABLE_TIME 2.0f
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#define TELESCOPE_ROTATEX_TIME 0.5f
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#define TELESCOPE_ROTATEY_TIME 0.5f
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#define TELESCOPING_ARM_MODEL_NAME "models/props/telescopic_arm.mdl"
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#define DEBUG_TELESCOPIC_ARM_AIM 1
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class CPropTelescopicArm : public CBaseAnimating
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{
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public:
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DECLARE_CLASS( CPropTelescopicArm, CBaseAnimating );
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DECLARE_DATADESC();
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virtual void UpdateOnRemove( void );
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virtual void Spawn( void );
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virtual void Precache( void );
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virtual void Activate ( void );
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void DisabledThink( void );
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void EnabledThink( void );
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void AimAt( Vector vTarget );
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bool TestLOS( const Vector& vAimPoint );
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void SetTarget( const char *pTargetName );
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void SetTarget( CBaseEntity *pTarget );
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void InputDisable( inputdata_t &inputdata );
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void InputEnable( inputdata_t &inputdata );
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void InputSetTarget( inputdata_t &inputdata );
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void InputTargetPlayer( inputdata_t &inputdata );
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private:
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Vector FindTargetAimPoint( void );
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Vector FindAimPointThroughPortal ( const CProp_Portal* pPortal );
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bool m_bEnabled;
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bool m_bCanSeeTarget;
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int m_iFrontMarkerAttachment;
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EHANDLE m_hRotXPoseController;
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EHANDLE m_hRotYPoseController;
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EHANDLE m_hTelescopicPoseController;
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EHANDLE m_hAimTarget;
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COutputEvent m_OnLostTarget;
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COutputEvent m_OnFoundTarget;
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};
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LINK_ENTITY_TO_CLASS( prop_telescopic_arm, CPropTelescopicArm );
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//-----------------------------------------------------------------------------
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// Save/load
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//-----------------------------------------------------------------------------
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BEGIN_DATADESC( CPropTelescopicArm )
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DEFINE_FIELD( m_bEnabled, FIELD_BOOLEAN ),
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DEFINE_FIELD( m_bCanSeeTarget, FIELD_BOOLEAN ),
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DEFINE_FIELD( m_iFrontMarkerAttachment, FIELD_INTEGER ),
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DEFINE_FIELD( m_hRotXPoseController, FIELD_EHANDLE ),
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DEFINE_FIELD( m_hRotYPoseController, FIELD_EHANDLE ),
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DEFINE_FIELD( m_hTelescopicPoseController, FIELD_EHANDLE ),
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DEFINE_FIELD( m_hAimTarget, FIELD_EHANDLE ),
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DEFINE_THINKFUNC( DisabledThink ),
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DEFINE_THINKFUNC( EnabledThink ),
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DEFINE_INPUTFUNC( FIELD_VOID, "Disable", InputDisable ),
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DEFINE_INPUTFUNC( FIELD_VOID, "Enable", InputEnable ),
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DEFINE_INPUTFUNC( FIELD_STRING, "SetTarget", InputSetTarget ),
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DEFINE_INPUTFUNC( FIELD_VOID, "TargetPlayer", InputTargetPlayer ),
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DEFINE_OUTPUT ( m_OnLostTarget, "OnLostTarget" ),
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DEFINE_OUTPUT ( m_OnFoundTarget, "OnFoundTarget" ),
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END_DATADESC()
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void CPropTelescopicArm::UpdateOnRemove( void )
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{
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CPoseController *pPoseController;
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pPoseController = static_cast<CPoseController*>( m_hRotXPoseController.Get() );
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if ( pPoseController )
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UTIL_Remove( pPoseController );
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m_hRotXPoseController = 0;
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pPoseController = static_cast<CPoseController*>( m_hRotYPoseController.Get() );
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if ( pPoseController )
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UTIL_Remove( pPoseController );
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m_hRotYPoseController = 0;
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pPoseController = static_cast<CPoseController*>( m_hTelescopicPoseController.Get() );
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if ( pPoseController )
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UTIL_Remove( pPoseController );
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m_hTelescopicPoseController = 0;
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}
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void CPropTelescopicArm::Spawn( void )
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{
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char *szModel = (char *)STRING( GetModelName() );
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if (!szModel || !*szModel)
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{
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szModel = TELESCOPING_ARM_MODEL_NAME;
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SetModelName( AllocPooledString(szModel) );
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}
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Precache();
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SetModel( szModel );
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SetSolid( SOLID_VPHYSICS );
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SetMoveType( MOVETYPE_PUSH );
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VPhysicsInitStatic();
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BaseClass::Spawn();
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m_bEnabled = false;
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m_bCanSeeTarget = false;
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SetThink( &CPropTelescopicArm::DisabledThink );
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SetNextThink( gpGlobals->curtime + 1.0f );
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int iSequence = SelectHeaviestSequence ( ACT_IDLE );
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if ( iSequence != ACT_INVALID )
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{
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SetSequence( iSequence );
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ResetSequenceInfo();
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//Do this so we get the nice ramp-up effect.
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m_flPlaybackRate = random->RandomFloat( 0.0f, 1.0f );
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}
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m_iFrontMarkerAttachment = LookupAttachment( "Front_marker" );
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CPoseController *pPoseController;
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pPoseController = static_cast<CPoseController*>( CreateEntityByName( "point_posecontroller" ) );
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DispatchSpawn( pPoseController );
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if ( pPoseController )
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{
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pPoseController->SetProp( this );
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pPoseController->SetInterpolationWrap( true );
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pPoseController->SetPoseParameterName( "rot_x" );
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m_hRotXPoseController = pPoseController;
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}
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pPoseController = static_cast<CPoseController*>( CreateEntityByName( "point_posecontroller" ) );
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DispatchSpawn( pPoseController );
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if ( pPoseController )
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{
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pPoseController->SetProp( this );
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pPoseController->SetInterpolationWrap( true );
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pPoseController->SetPoseParameterName( "rot_y" );
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m_hRotYPoseController = pPoseController;
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}
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pPoseController = static_cast<CPoseController*>( CreateEntityByName( "point_posecontroller" ) );
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DispatchSpawn( pPoseController );
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if ( pPoseController )
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{
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pPoseController->SetProp( this );
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pPoseController->SetPoseParameterName( "telescopic" );
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m_hTelescopicPoseController = pPoseController;
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}
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}
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void CPropTelescopicArm::Precache( void )
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{
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BaseClass::Precache();
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PrecacheModel( STRING( GetModelName() ) );
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PrecacheScriptSound( "coast.thumper_hit" );
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PrecacheScriptSound( "coast.thumper_ambient" );
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PrecacheScriptSound( "coast.thumper_dust" );
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PrecacheScriptSound( "coast.thumper_startup" );
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PrecacheScriptSound( "coast.thumper_shutdown" );
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PrecacheScriptSound( "coast.thumper_large_hit" );
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}
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void CPropTelescopicArm::Activate( void )
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{
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BaseClass::Activate();
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}
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void CPropTelescopicArm::DisabledThink( void )
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{
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SetNextThink( gpGlobals->curtime + 1.0 );
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}
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void CPropTelescopicArm::EnabledThink( void )
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{
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CBaseEntity *pTarget = m_hAimTarget.Get();
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if ( !pTarget )
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{
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//SetTarget ( UTIL_PlayerByIndex( 1 ) );
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// Default to targeting a player
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for( int i = 1; i <= gpGlobals->maxClients; ++i )
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{
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CBasePlayer *pPlayer = UTIL_PlayerByIndex( i );
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if( pPlayer && FVisible( pPlayer ) && pPlayer->IsAlive() )
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{
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pTarget = pPlayer;
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break;
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}
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}
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if( pTarget == NULL )
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{
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//search again, but don't require the player to be visible
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for( int i = 1; i <= gpGlobals->maxClients; ++i )
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{
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CBasePlayer *pPlayer = UTIL_PlayerByIndex( i );
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if( pPlayer && pPlayer->IsAlive() )
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{
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pTarget = pPlayer;
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break;
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}
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}
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if( pTarget == NULL )
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{
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//search again, but don't require the player to be visible or alive
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for( int i = 1; i <= gpGlobals->maxClients; ++i )
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{
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CBasePlayer *pPlayer = UTIL_PlayerByIndex( i );
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if( pPlayer )
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{
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pTarget = pPlayer;
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break;
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}
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}
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}
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}
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if( pTarget )
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SetTarget( pTarget );
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}
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if ( pTarget )
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{
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// Aim at the center of the abs box
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Vector vAimPoint = FindTargetAimPoint();
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Assert ( vAimPoint != vec3_invalid );
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AimAt( vAimPoint );
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// We have direct line of sight to our target
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if ( TestLOS ( vAimPoint ) )
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{
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// Just aquired LOS
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if ( !m_bCanSeeTarget )
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{
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m_OnFoundTarget.FireOutput( m_hAimTarget, this );
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}
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m_bCanSeeTarget = true;
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}
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// No LOS to target
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else
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{
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// Just lost LOS
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if ( m_bCanSeeTarget )
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{
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m_OnLostTarget.FireOutput( m_hAimTarget, this );
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}
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m_bCanSeeTarget = false;
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}
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}
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SetNextThink( gpGlobals->curtime + 0.1 );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Finds the point to aim at in order to see the target entity.
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// Note: Also considers aim paths through portals.
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// Output : Point of the target
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//-----------------------------------------------------------------------------
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Vector CPropTelescopicArm::FindTargetAimPoint( void )
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{
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CBaseEntity *pTarget = m_hAimTarget.Get();
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if ( !pTarget )
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{
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// No target to aim at, can't return meaningful info
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Warning( "CPropTelescopicArm::FindTargetAimPoint called with no valid target entity." );
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return vec3_invalid;
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}
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else
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{
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Vector vFrontPoint;
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GetAttachment( m_iFrontMarkerAttachment, vFrontPoint, NULL, NULL, NULL );
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// Aim at the target through the world
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Vector vAimPoint = pTarget->GetAbsOrigin() + ( pTarget->WorldAlignMins() + pTarget->WorldAlignMaxs() ) * 0.5f;
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//float fDistToPoint = vFrontPoint.DistToSqr( vAimPoint );
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CProp_Portal *pShortestDistPortal = NULL;
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UTIL_Portal_ShortestDistance( vFrontPoint, vAimPoint, &pShortestDistPortal, true );
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Vector ptShortestAimPoint;
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if( pShortestDistPortal )
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{
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ptShortestAimPoint = FindAimPointThroughPortal( pShortestDistPortal );
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if( ptShortestAimPoint == vec3_invalid )
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ptShortestAimPoint = vAimPoint;
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}
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else
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{
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ptShortestAimPoint = vAimPoint;
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}
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return ptShortestAimPoint;
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Find the center of the target entity as seen through the specified portal
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// Input : pPortal - The portal to look through
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// Output : Vector& output point in world space where the target *appears* to be as seen through the portal
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//-----------------------------------------------------------------------------
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Vector CPropTelescopicArm::FindAimPointThroughPortal( const CProp_Portal* pPortal )
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{
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if ( pPortal && pPortal->m_bActivated )
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{
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CProp_Portal* pLinked = pPortal->m_hLinkedPortal.Get();
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CBaseEntity* pTarget = m_hAimTarget.Get();
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if ( pLinked && pLinked->m_bActivated && pTarget )
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{
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VMatrix matToPortalView = pLinked->m_matrixThisToLinked;
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Vector vTargetAimPoint = pTarget->GetAbsOrigin() + ( pTarget->WorldAlignMins() + pTarget->WorldAlignMaxs() ) * 0.5f;
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return matToPortalView * vTargetAimPoint;
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}
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}
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// Bad portal pointer, not linked, no target or otherwise failed
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return vec3_invalid;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Tests if this prop's front point has direct line of sight to it's target entity
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// Input : vAimPoint - The point to aim at
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// Output : Returns true if target is in direct line of sight, false otherwise.
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//-----------------------------------------------------------------------------
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bool CPropTelescopicArm::TestLOS( const Vector& vAimPoint )
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{
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// Test for LOS and fire outputs if the sight condition changes
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Vector vFaceOrigin;
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trace_t tr;
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GetAttachment( m_iFrontMarkerAttachment, vFaceOrigin, NULL, NULL, NULL );
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Ray_t ray;
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ray.Init( vFaceOrigin, vAimPoint );
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ray.m_IsRay = true;
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// This aim point does hit target, now make sure there are no blocking objects in the way
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CTraceFilterWorldAndPropsOnly filter;
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UTIL_Portal_TraceRay( ray, MASK_SHOT, &filter, &tr );
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return !(tr.fraction < 1.0f);
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}
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void CPropTelescopicArm::AimAt( Vector vTarget )
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{
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Vector vFaceOrigin;
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GetAttachment( m_iFrontMarkerAttachment, vFaceOrigin, NULL, NULL, NULL );
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Vector vNormalToTarget = vTarget - vFaceOrigin;
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VectorNormalize( vNormalToTarget );
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VMatrix vWorldToLocalRotation = EntityToWorldTransform();
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vNormalToTarget = vWorldToLocalRotation.InverseTR().ApplyRotation( vNormalToTarget );
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Vector vUp;
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GetVectors( NULL, NULL, &vUp );
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QAngle qAnglesToTarget;
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VectorAngles( vNormalToTarget, vUp, qAnglesToTarget );
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float fNewX = ( qAnglesToTarget.x + 90.0f ) / 360.0f;
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float fNewY = qAnglesToTarget.y / 360.0f;
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if ( fNewY < 0.0f )
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fNewY += 1.0f;
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CPoseController *pPoseController = static_cast<CPoseController*>( m_hRotXPoseController.Get() );
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if ( pPoseController )
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{
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pPoseController->SetInterpolationTime( TELESCOPE_ROTATEX_TIME );
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pPoseController->SetPoseValue( fNewX );
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}
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pPoseController = static_cast<CPoseController*>( m_hRotYPoseController.Get() );
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if ( pPoseController )
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{
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pPoseController->SetInterpolationTime( TELESCOPE_ROTATEY_TIME );
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pPoseController->SetPoseValue( fNewY );
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}
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}
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void CPropTelescopicArm::SetTarget( const char *pchTargetName )
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{
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CBaseEntity *pTarget = gEntList.FindEntityByName( NULL, pchTargetName, NULL, NULL );
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//if ( pTarget == NULL )
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// pTarget = UTIL_PlayerByIndex( 1 );
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return SetTarget( pTarget );
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}
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void CPropTelescopicArm::SetTarget( CBaseEntity *pTarget )
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{
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m_hAimTarget = pTarget;
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}
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void CPropTelescopicArm::InputDisable( inputdata_t &inputdata )
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{
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if ( m_bEnabled )
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|
{
|
||
|
m_bEnabled = false;
|
||
|
|
||
|
EmitSound( "coast.thumper_shutdown" );
|
||
|
|
||
|
CPoseController *pPoseController;
|
||
|
|
||
|
pPoseController = static_cast<CPoseController*>( m_hRotXPoseController.Get() );
|
||
|
if ( pPoseController )
|
||
|
{
|
||
|
pPoseController->SetInterpolationTime( TELESCOPE_DISABLE_TIME * 0.5f );
|
||
|
pPoseController->SetPoseValue( 0.0f );
|
||
|
}
|
||
|
|
||
|
pPoseController = static_cast<CPoseController*>( m_hRotYPoseController.Get() );
|
||
|
if ( pPoseController )
|
||
|
{
|
||
|
pPoseController->SetInterpolationTime( TELESCOPE_DISABLE_TIME * 0.5f );
|
||
|
pPoseController->SetPoseValue( 0.0f );
|
||
|
}
|
||
|
|
||
|
pPoseController = static_cast<CPoseController*>( m_hTelescopicPoseController.Get() );
|
||
|
if ( pPoseController )
|
||
|
{
|
||
|
pPoseController->SetInterpolationTime( TELESCOPE_DISABLE_TIME );
|
||
|
pPoseController->SetPoseValue( 0.0f );
|
||
|
}
|
||
|
|
||
|
SetThink( &CPropTelescopicArm::DisabledThink );
|
||
|
SetNextThink( gpGlobals->curtime + TELESCOPE_DISABLE_TIME );
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void CPropTelescopicArm::InputEnable( inputdata_t &inputdata )
|
||
|
{
|
||
|
if ( !m_bEnabled )
|
||
|
{
|
||
|
m_bEnabled = true;
|
||
|
|
||
|
EmitSound( "coast.thumper_startup" );
|
||
|
|
||
|
CPoseController *pPoseController;
|
||
|
pPoseController = static_cast<CPoseController*>( m_hTelescopicPoseController.Get() );
|
||
|
|
||
|
if ( pPoseController )
|
||
|
{
|
||
|
pPoseController->SetInterpolationTime( TELESCOPE_ENABLE_TIME );
|
||
|
pPoseController->SetPoseValue( 1.0f );
|
||
|
}
|
||
|
|
||
|
SetThink( &CPropTelescopicArm::EnabledThink );
|
||
|
SetNextThink( gpGlobals->curtime + TELESCOPE_ENABLE_TIME );
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void CPropTelescopicArm::InputSetTarget( inputdata_t &inputdata )
|
||
|
{
|
||
|
SetTarget( inputdata.value.String() );
|
||
|
}
|
||
|
|
||
|
void CPropTelescopicArm::InputTargetPlayer( inputdata_t &inputdata )
|
||
|
{
|
||
|
//SetTarget( UTIL_PlayerByIndex( 1 ) );
|
||
|
|
||
|
CBaseEntity *pTarget = NULL;
|
||
|
for( int i = 1; i <= gpGlobals->maxClients; ++i )
|
||
|
{
|
||
|
CBasePlayer *pPlayer = UTIL_PlayerByIndex( i );
|
||
|
if( pPlayer && FVisible( pPlayer ) && pPlayer->IsAlive() )
|
||
|
{
|
||
|
pTarget = pPlayer;
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
if( pTarget == NULL )
|
||
|
{
|
||
|
//search again, but don't require the player to be visible
|
||
|
for( int i = 1; i <= gpGlobals->maxClients; ++i )
|
||
|
{
|
||
|
CBasePlayer *pPlayer = UTIL_PlayerByIndex( i );
|
||
|
if( pPlayer && pPlayer->IsAlive() )
|
||
|
{
|
||
|
pTarget = pPlayer;
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if( pTarget == NULL )
|
||
|
{
|
||
|
//search again, but don't require the player to be visible or alive
|
||
|
for( int i = 1; i <= gpGlobals->maxClients; ++i )
|
||
|
{
|
||
|
CBasePlayer *pPlayer = UTIL_PlayerByIndex( i );
|
||
|
if( pPlayer )
|
||
|
{
|
||
|
pTarget = pPlayer;
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if( pTarget )
|
||
|
SetTarget( pTarget );
|
||
|
}
|