From 39ed87570bdb2f86969d4be821c94b722dc71179 Mon Sep 17 00:00:00 2001 From: Joe Ludwig Date: Wed, 26 Jun 2013 15:22:04 -0700 Subject: First version of the SOurce SDK 2013 --- mp/src/game/server/EnvLaser.cpp | 250 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 250 insertions(+) create mode 100644 mp/src/game/server/EnvLaser.cpp (limited to 'mp/src/game/server/EnvLaser.cpp') diff --git a/mp/src/game/server/EnvLaser.cpp b/mp/src/game/server/EnvLaser.cpp new file mode 100644 index 00000000..ac87ba18 --- /dev/null +++ b/mp/src/game/server/EnvLaser.cpp @@ -0,0 +1,250 @@ +//========= Copyright Valve Corporation, All rights reserved. ============// +// +// Purpose: A special kind of beam effect that traces from its start position to +// its end position and stops if it hits anything. +// +// $NoKeywords: $ +//=============================================================================// + +#include "cbase.h" +#include "EnvLaser.h" +#include "Sprite.h" + +// memdbgon must be the last include file in a .cpp file!!! +#include "tier0/memdbgon.h" + +LINK_ENTITY_TO_CLASS( env_laser, CEnvLaser ); + +BEGIN_DATADESC( CEnvLaser ) + + DEFINE_KEYFIELD( m_iszLaserTarget, FIELD_STRING, "LaserTarget" ), + DEFINE_FIELD( m_pSprite, FIELD_CLASSPTR ), + DEFINE_KEYFIELD( m_iszSpriteName, FIELD_STRING, "EndSprite" ), + DEFINE_FIELD( m_firePosition, FIELD_VECTOR ), + DEFINE_KEYFIELD( m_flStartFrame, FIELD_FLOAT, "framestart" ), + + // Function Pointers + DEFINE_FUNCTION( StrikeThink ), + + // Input functions + DEFINE_INPUTFUNC( FIELD_VOID, "TurnOn", InputTurnOn ), + DEFINE_INPUTFUNC( FIELD_VOID, "TurnOff", InputTurnOff ), + DEFINE_INPUTFUNC( FIELD_VOID, "Toggle", InputToggle ), + +END_DATADESC() + + +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void CEnvLaser::Spawn( void ) +{ + if ( !GetModelName() ) + { + SetThink( &CEnvLaser::SUB_Remove ); + return; + } + + SetSolid( SOLID_NONE ); // Remove model & collisions + SetThink( &CEnvLaser::StrikeThink ); + + SetEndWidth( GetWidth() ); // Note: EndWidth is not scaled + + PointsInit( GetLocalOrigin(), GetLocalOrigin() ); + + Precache( ); + + if ( !m_pSprite && m_iszSpriteName != NULL_STRING ) + { + m_pSprite = CSprite::SpriteCreate( STRING(m_iszSpriteName), GetAbsOrigin(), TRUE ); + } + else + { + m_pSprite = NULL; + } + + if ( m_pSprite ) + { + m_pSprite->SetParent( GetMoveParent() ); + m_pSprite->SetTransparency( kRenderGlow, m_clrRender->r, m_clrRender->g, m_clrRender->b, m_clrRender->a, m_nRenderFX ); + } + + if ( GetEntityName() != NULL_STRING && !(m_spawnflags & SF_BEAM_STARTON) ) + { + TurnOff(); + } + else + { + TurnOn(); + } +} + + +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void CEnvLaser::Precache( void ) +{ + SetModelIndex( PrecacheModel( STRING( GetModelName() ) ) ); + if ( m_iszSpriteName != NULL_STRING ) + PrecacheModel( STRING(m_iszSpriteName) ); +} + + +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +bool CEnvLaser::KeyValue( const char *szKeyName, const char *szValue ) +{ + if (FStrEq(szKeyName, "width")) + { + SetWidth( atof(szValue) ); + } + else if (FStrEq(szKeyName, "NoiseAmplitude")) + { + SetNoise( atoi(szValue) ); + } + else if (FStrEq(szKeyName, "TextureScroll")) + { + SetScrollRate( atoi(szValue) ); + } + else if (FStrEq(szKeyName, "texture")) + { + SetModelName( AllocPooledString(szValue) ); + } + else + { + BaseClass::KeyValue( szKeyName, szValue ); + } + + return true; +} + + +//----------------------------------------------------------------------------- +// Purpose: Returns whether the laser is currently active. +//----------------------------------------------------------------------------- +int CEnvLaser::IsOn( void ) +{ + if ( IsEffectActive( EF_NODRAW ) ) + return 0; + return 1; +} + + +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void CEnvLaser::InputTurnOn( inputdata_t &inputdata ) +{ + if (!IsOn()) + { + TurnOn(); + } +} + + +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void CEnvLaser::InputTurnOff( inputdata_t &inputdata ) +{ + if (IsOn()) + { + TurnOff(); + } +} + + +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void CEnvLaser::InputToggle( inputdata_t &inputdata ) +{ + if ( IsOn() ) + { + TurnOff(); + } + else + { + TurnOn(); + } +} + + +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void CEnvLaser::TurnOff( void ) +{ + AddEffects( EF_NODRAW ); + if ( m_pSprite ) + m_pSprite->TurnOff(); + + SetNextThink( TICK_NEVER_THINK ); + SetThink( NULL ); +} + + +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void CEnvLaser::TurnOn( void ) +{ + RemoveEffects( EF_NODRAW ); + if ( m_pSprite ) + m_pSprite->TurnOn(); + + m_flFireTime = gpGlobals->curtime; + + SetThink( &CEnvLaser::StrikeThink ); + + // + // Call StrikeThink here to update the end position, otherwise we will see + // the beam in the wrong place for one frame since we cleared the nodraw flag. + // + StrikeThink(); +} + + +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void CEnvLaser::FireAtPoint( trace_t &tr ) +{ + SetAbsEndPos( tr.endpos ); + if ( m_pSprite ) + { + UTIL_SetOrigin( m_pSprite, tr.endpos ); + } + + // Apply damage and do sparks every 1/10th of a second. + if ( gpGlobals->curtime >= m_flFireTime + 0.1 ) + { + BeamDamage( &tr ); + DoSparks( GetAbsStartPos(), tr.endpos ); + } +} + + +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void CEnvLaser::StrikeThink( void ) +{ + CBaseEntity *pEnd = RandomTargetname( STRING( m_iszLaserTarget ) ); + + Vector vecFireAt = GetAbsEndPos(); + if ( pEnd ) + { + vecFireAt = pEnd->GetAbsOrigin(); + } + + trace_t tr; + + UTIL_TraceLine( GetAbsOrigin(), vecFireAt, MASK_SOLID, NULL, COLLISION_GROUP_NONE, &tr ); + FireAtPoint( tr ); + SetNextThink( gpGlobals->curtime ); +} + + -- cgit v1.2.3