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204 lines
5.3 KiB
204 lines
5.3 KiB
![]()
4 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Client Side Effects for the env_portal_path_track.
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//
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//=============================================================================//
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#include "cbase.h"
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#include "env_portal_path_track_shared.h"
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#include "particles_simple.h"
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#include "particles_attractor.h"
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class C_EnvPortalPathTrack : public C_BaseEntity
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{
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DECLARE_CLASS( C_EnvPortalPathTrack, C_BaseEntity );
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DECLARE_CLIENTCLASS();
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public:
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void OnDataChanged( DataUpdateType_t updateType );
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RenderGroup_t GetRenderGroup( void );
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void ClientThink( void );
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void NotifyShouldTransmit( ShouldTransmitState_t state );
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void UpdateParticles_Inactive( void );
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void UpdateParticles_Active( void );
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private:
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float m_flScale;
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int m_nState;
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float m_flDuration;
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float m_flStartTime;
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bool m_bTrackActive;
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bool m_bEndpointActive;
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bool SetupEmitters( void ); // Init our particle emitters
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CSmartPtr<CSimpleEmitter> m_pSimpleEmitter; // particle system, emits particles
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CSmartPtr<CParticleAttractor> m_pAttractorEmitter; // particle system, attracts particles
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};
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IMPLEMENT_CLIENTCLASS_DT( C_EnvPortalPathTrack, DT_EnvPortalPathTrack, CEnvPortalPathTrack )
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RecvPropBool( RECVINFO(m_bTrackActive) ),
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RecvPropBool( RECVINFO(m_bEndpointActive) ),
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RecvPropInt( RECVINFO(m_nState) ),
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END_RECV_TABLE()
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//-----------------------------------------------------------------------------
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// Purpose:
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// Output : RenderGroup_t
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//-----------------------------------------------------------------------------
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RenderGroup_t C_EnvPortalPathTrack::GetRenderGroup( void )
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{
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return RENDER_GROUP_TRANSLUCENT_ENTITY;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : updateType -
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//-----------------------------------------------------------------------------
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void C_EnvPortalPathTrack::OnDataChanged( DataUpdateType_t updateType )
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{
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BaseClass::OnDataChanged( updateType );
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if ( updateType == DATA_UPDATE_CREATED )
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{
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SetNextClientThink( CLIENT_THINK_ALWAYS );
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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bool C_EnvPortalPathTrack::SetupEmitters( void )
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{
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// Setup the basic core emitter
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if ( m_pSimpleEmitter.IsValid() == false )
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{
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m_pSimpleEmitter = CSimpleEmitter::Create( "portaltracktrainendpoint" );
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if ( m_pSimpleEmitter.IsValid() == false )
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return false;
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}
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// Setup the attractor emitter
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if ( m_pAttractorEmitter.IsValid() == false )
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{
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m_pAttractorEmitter = CParticleAttractor::Create( GetAbsOrigin(), "portaltracktrainendpointattractor" );
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if ( m_pAttractorEmitter.IsValid() == false )
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return false;
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}
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return true;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void C_EnvPortalPathTrack::ClientThink( void )
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{
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if ( gpGlobals->frametime <= 0.0f )
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return;
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switch( m_nState )
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{
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case PORTAL_PATH_TRACK_STATE_OFF:
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break;
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case PORTAL_PATH_TRACK_STATE_INACTIVE:
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UpdateParticles_Inactive();
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break;
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case PORTAL_PATH_TRACK_STATE_ACTIVE:
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UpdateParticles_Active();
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break;
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}
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}
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void C_EnvPortalPathTrack::UpdateParticles_Inactive( void )
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{
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}
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void C_EnvPortalPathTrack::UpdateParticles_Active ( void )
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{
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// Emitters must be valid
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if ( SetupEmitters() == false )
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return;
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// Reset our sort origin
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m_pSimpleEmitter->SetSortOrigin( GetAbsOrigin() );
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SimpleParticle *sParticle;
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// Do the charging particles
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m_pAttractorEmitter->SetAttractorOrigin( GetAbsOrigin() );
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Vector forward, right, up;
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AngleVectors( GetAbsAngles(), &forward, &right, &up );
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Vector offset;
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float dist;
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int numParticles = floor( 4.0f );
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for ( int i = 0; i < numParticles; i++ )
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{
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dist = random->RandomFloat( 4.0f, 64.0f );
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offset = forward * dist;
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dist = RemapValClamped( dist, 4.0f, 64.0f, 6.0f, 1.0f );
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offset += right * random->RandomFloat( -4.0f * dist, 4.0f * dist );
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offset += up * random->RandomFloat( -4.0f * dist, 4.0f * dist );
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offset += GetAbsOrigin();
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sParticle = (SimpleParticle *) m_pAttractorEmitter->AddParticle( sizeof(SimpleParticle), m_pAttractorEmitter->GetPMaterial( "effects/strider_muzzle" ), offset );
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if ( sParticle == NULL )
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return;
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sParticle->m_vecVelocity = Vector(0,0,8);
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sParticle->m_flDieTime = 0.5f;
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sParticle->m_flLifetime = 0.0f;
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sParticle->m_flRoll = Helper_RandomInt( 0, 360 );
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sParticle->m_flRollDelta = 0.0f;
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float alpha = 255;
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sParticle->m_uchColor[0] = alpha;
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sParticle->m_uchColor[1] = alpha;
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sParticle->m_uchColor[2] = alpha;
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sParticle->m_uchStartAlpha = alpha;
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sParticle->m_uchEndAlpha = 0;
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sParticle->m_uchStartSize = random->RandomFloat( 1, 2 );
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sParticle->m_uchEndSize = 0;
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void C_EnvPortalPathTrack::NotifyShouldTransmit( ShouldTransmitState_t state )
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{
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BaseClass::NotifyShouldTransmit( state );
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// Turn off
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if ( state == SHOULDTRANSMIT_END )
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{
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SetNextClientThink( CLIENT_THINK_NEVER );
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}
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// Turn on
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if ( state == SHOULDTRANSMIT_START )
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{
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SetNextClientThink( CLIENT_THINK_ALWAYS );
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}
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}
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