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authorJoe Ludwig <[email protected]>2013-06-26 15:22:04 -0700
committerJoe Ludwig <[email protected]>2013-06-26 15:22:04 -0700
commit39ed87570bdb2f86969d4be821c94b722dc71179 (patch)
treeabc53757f75f40c80278e87650ea92808274aa59 /mp/src/game/server/EnvLaser.cpp
downloadsource-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.tar.xz
source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.zip
First version of the SOurce SDK 2013
Diffstat (limited to 'mp/src/game/server/EnvLaser.cpp')
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1 files changed, 250 insertions, 0 deletions
diff --git a/mp/src/game/server/EnvLaser.cpp b/mp/src/game/server/EnvLaser.cpp
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+//========= 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 );
+}
+
+