mirror of
https://github.com/nillerusr/source-engine.git
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422 lines
12 KiB
C++
422 lines
12 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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//=============================================================================
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#include "cbase.h"
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#include "basegrenade_shared.h"
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#include "fx_interpvalue.h"
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#include "fx_envelope.h"
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#include "materialsystem/imaterialvar.h"
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#include "particles_simple.h"
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#include "particles_attractor.h"
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// FIXME: Move out
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extern void DrawSpriteTangentSpace( const Vector &vecOrigin, float flWidth, float flHeight, color32 color );
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#define EXPLOSION_DURATION 3.0f
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//-----------------------------------------------------------------------------
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// Explosion effect for hopwire
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//-----------------------------------------------------------------------------
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class C_HopwireExplosion : public C_EnvelopeFX
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{
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typedef C_EnvelopeFX BaseClass;
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public:
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C_HopwireExplosion( void ) :
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m_hOwner( NULL )
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{
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m_FXCoreScale.SetAbsolute( 0.0f );
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m_FXCoreAlpha.SetAbsolute( 0.0f );
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}
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virtual void Update( void );
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virtual int DrawModel( int flags );
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virtual void GetRenderBounds( Vector& mins, Vector& maxs );
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bool SetupEmitters( void );
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void AddParticles( void );
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void SetOwner( C_BaseEntity *pOwner );
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void StartExplosion( void );
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void StopExplosion( void );
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void StartPreExplosion( void );
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private:
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CInterpolatedValue m_FXCoreScale;
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CInterpolatedValue m_FXCoreAlpha;
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CSmartPtr<CSimpleEmitter> m_pSimpleEmitter;
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CSmartPtr<CParticleAttractor> m_pAttractorEmitter;
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TimedEvent m_ParticleTimer;
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CHandle<C_BaseEntity> m_hOwner;
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};
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//-----------------------------------------------------------------------------
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// Purpose: Setup the emitters we'll be using
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//-----------------------------------------------------------------------------
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bool C_HopwireExplosion::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( "hopwirecore" );
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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( GetRenderOrigin(), "hopwireattractor" );
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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_HopwireExplosion::AddParticles( void )
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{
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// Make sure the emitters are setup properly
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if ( SetupEmitters() == false )
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return;
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float tempDelta = gpGlobals->frametime;
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while( m_ParticleTimer.NextEvent( tempDelta ) )
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{
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// ========================
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// Attracted dust particles
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// ========================
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// Update our attractor point
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m_pAttractorEmitter->SetAttractorOrigin( GetRenderOrigin() );
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Vector offset;
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SimpleParticle *sParticle;
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offset = GetRenderOrigin() + RandomVector( -256.0f, 256.0f );
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sParticle = (SimpleParticle *) m_pAttractorEmitter->AddParticle( sizeof(SimpleParticle), g_Mat_Fleck_Cement[0], 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 = 1.0f;
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float alpha = random->RandomFloat( 128.0f, 200.0f );
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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 = alpha;
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sParticle->m_uchStartSize = random->RandomInt( 1, 4 );
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sParticle->m_uchEndSize = 0;
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// ========================
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// Core effects
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// ========================
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// Reset our sort origin
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m_pSimpleEmitter->SetSortOrigin( GetRenderOrigin() );
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// Base of the core effect
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sParticle = (SimpleParticle *) m_pSimpleEmitter->AddParticle( sizeof(SimpleParticle), m_pSimpleEmitter->GetPMaterial( "effects/strider_muzzle" ), GetRenderOrigin() );
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if ( sParticle == NULL )
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return;
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sParticle->m_vecVelocity = vec3_origin;
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sParticle->m_flDieTime = 0.2f;
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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 = 4.0f;
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alpha = random->RandomInt( 32, 200 );
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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 = 0;
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sParticle->m_uchEndAlpha = alpha;
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sParticle->m_uchStartSize = 255;
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sParticle->m_uchEndSize = 0;
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// Make sure we encompass the complete particle here!
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m_pSimpleEmitter->SetParticleCullRadius( sParticle->m_uchEndSize );
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// =========================
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// Dust ring effect
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// =========================
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if ( random->RandomInt( 0, 5 ) != 1 )
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return;
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Vector vecDustColor;
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vecDustColor.x = 0.35f;
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vecDustColor.y = 0.3f;
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vecDustColor.z = 0.25f;
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Vector color;
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int numRingSprites = 8;
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float yaw;
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Vector forward, vRight, vForward;
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vForward = Vector( 0, 1, 0 );
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vRight = Vector( 1, 0, 0 );
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float yawOfs = random->RandomFloat( 0, 359 );
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for ( int i = 0; i < numRingSprites; i++ )
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{
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yaw = ( (float) i / (float) numRingSprites ) * 360.0f;
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yaw += yawOfs;
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forward = ( vRight * sin( DEG2RAD( yaw) ) ) + ( vForward * cos( DEG2RAD( yaw ) ) );
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VectorNormalize( forward );
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trace_t tr;
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UTIL_TraceLine( GetRenderOrigin(), GetRenderOrigin()+(Vector(0, 0, -1024)), MASK_SOLID_BRUSHONLY, NULL, COLLISION_GROUP_NONE, &tr );
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offset = ( RandomVector( -4.0f, 4.0f ) + tr.endpos ) + ( forward * 512.0f );
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sParticle = (SimpleParticle *) m_pSimpleEmitter->AddParticle( sizeof(SimpleParticle), g_Mat_DustPuff[random->RandomInt(0,1)], offset );
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if ( sParticle != NULL )
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{
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sParticle->m_flLifetime = 0.0f;
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sParticle->m_flDieTime = random->RandomFloat( 0.25f, 0.5f );
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sParticle->m_vecVelocity = forward * -random->RandomFloat( 1000, 1500 );
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sParticle->m_vecVelocity[2] += 128.0f;
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#if __EXPLOSION_DEBUG
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debugoverlay->AddLineOverlay( m_vecOrigin, m_vecOrigin + sParticle->m_vecVelocity, 255, 0, 0, false, 3 );
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#endif
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sParticle->m_uchColor[0] = vecDustColor.x * 255.0f;
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sParticle->m_uchColor[1] = vecDustColor.y * 255.0f;
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sParticle->m_uchColor[2] = vecDustColor.z * 255.0f;
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sParticle->m_uchStartSize = random->RandomInt( 32, 128 );
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sParticle->m_uchEndSize = 200;
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sParticle->m_uchStartAlpha = random->RandomFloat( 16, 64 );
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sParticle->m_uchEndAlpha = 0;
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sParticle->m_flRoll = random->RandomInt( 0, 360 );
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sParticle->m_flRollDelta = random->RandomFloat( -16.0f, 16.0f );
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}
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}
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : *pOwner -
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//-----------------------------------------------------------------------------
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void C_HopwireExplosion::SetOwner( C_BaseEntity *pOwner )
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{
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m_hOwner = pOwner;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Updates the internal values for the effect
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//-----------------------------------------------------------------------------
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void C_HopwireExplosion::Update( void )
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{
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if ( m_hOwner )
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{
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SetRenderOrigin( m_hOwner->GetRenderOrigin() );
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}
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BaseClass::Update();
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}
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//-----------------------------------------------------------------------------
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// Purpose: Updates and renders all effects
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//-----------------------------------------------------------------------------
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int C_HopwireExplosion::DrawModel( int flags )
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{
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AddParticles();
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CMatRenderContextPtr pRenderContext( materials );
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pRenderContext->Flush();
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UpdateRefractTexture();
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IMaterial *pMat = materials->FindMaterial( "effects/strider_pinch_dudv", TEXTURE_GROUP_CLIENT_EFFECTS );
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float refract = m_FXCoreAlpha.Interp( gpGlobals->curtime );
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float scale = m_FXCoreScale.Interp( gpGlobals->curtime );
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IMaterialVar *pVar = pMat->FindVar( "$refractamount", NULL );
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pVar->SetFloatValue( refract );
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pRenderContext->Bind( pMat, (IClientRenderable*)this );
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float sin1 = sinf( gpGlobals->curtime * 10 );
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float sin2 = sinf( gpGlobals->curtime );
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float scaleY = ( sin1 * sin2 ) * 32.0f;
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float scaleX = (sin2 * sin2) * 32.0f;
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// FIXME: The ball needs to sort properly at all times
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static color32 white = {255,255,255,255};
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DrawSpriteTangentSpace( GetRenderOrigin() + ( CurrentViewForward() * 128.0f ), scale+scaleX, scale+scaleY, white );
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return 1;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Returns the bounds relative to the origin (render bounds)
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//-----------------------------------------------------------------------------
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void C_HopwireExplosion::GetRenderBounds( Vector& mins, Vector& maxs )
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{
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float scale = m_FXCoreScale.Interp( gpGlobals->curtime );
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mins.Init( -scale, -scale, -scale );
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maxs.Init( scale, scale, scale );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void C_HopwireExplosion::StartExplosion( void )
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{
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m_FXCoreScale.Init( 300.0f, 500.0f, 2.0f, INTERP_SPLINE );
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m_FXCoreAlpha.Init( 0.0f, 0.1f, 1.5f, INTERP_SPLINE );
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// Particle timer
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m_ParticleTimer.Init( 60 );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void C_HopwireExplosion::StopExplosion( void )
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{
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m_FXCoreAlpha.InitFromCurrent( 0.0f, 1.0f, INTERP_SPLINE );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void C_HopwireExplosion::StartPreExplosion( void )
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{
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}
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//-----------------------------------------------------------------------------
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// Hopwire client class
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//-----------------------------------------------------------------------------
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class C_GrenadeHopwire : public C_BaseGrenade
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{
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DECLARE_CLASS( C_GrenadeHopwire, C_BaseGrenade );
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DECLARE_CLIENTCLASS();
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public:
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C_GrenadeHopwire( void );
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virtual int DrawModel( int flags );
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virtual void OnDataChanged( DataUpdateType_t updateType );
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virtual void ReceiveMessage( int classID, bf_read &msg );
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private:
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C_HopwireExplosion m_ExplosionEffect; // Explosion effect information and drawing
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};
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IMPLEMENT_CLIENTCLASS_DT( C_GrenadeHopwire, DT_GrenadeHopwire, CGrenadeHopwire )
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END_RECV_TABLE()
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#define HOPWIRE_START_EXPLOSION 0
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#define HOPWIRE_STOP_EXPLOSION 1
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#define HOPWIRE_START_PRE_EXPLOSION 2
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//-----------------------------------------------------------------------------
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// Constructor
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//-----------------------------------------------------------------------------
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C_GrenadeHopwire::C_GrenadeHopwire( void )
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{
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m_ExplosionEffect.SetActive( false );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Receive messages from the server
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// Input : classID - class to receive the message
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// &msg - message in question
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//-----------------------------------------------------------------------------
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void C_GrenadeHopwire::ReceiveMessage( int classID, bf_read &msg )
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{
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if ( classID != GetClientClass()->m_ClassID )
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{
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// Message is for subclass
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BaseClass::ReceiveMessage( classID, msg );
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return;
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}
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int messageType = msg.ReadByte();
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switch( messageType )
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{
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case HOPWIRE_START_EXPLOSION:
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{
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m_ExplosionEffect.SetActive();
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m_ExplosionEffect.SetOwner( this );
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m_ExplosionEffect.StartExplosion();
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}
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break;
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case HOPWIRE_STOP_EXPLOSION:
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{
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m_ExplosionEffect.StopExplosion();
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}
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break;
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default:
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break;
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}
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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_GrenadeHopwire::OnDataChanged( DataUpdateType_t updateType )
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{
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BaseClass::OnDataChanged( updateType );
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m_ExplosionEffect.Update();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : flags -
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//-----------------------------------------------------------------------------
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int C_GrenadeHopwire::DrawModel( int flags )
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{
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if ( m_ExplosionEffect.IsActive() )
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return 1;
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return BaseClass::DrawModel( flags );
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}
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