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 --- sp/src/game/client/hl2/c_plasma_beam_node.cpp | 279 ++++++++++++++++++++++++++ 1 file changed, 279 insertions(+) create mode 100644 sp/src/game/client/hl2/c_plasma_beam_node.cpp (limited to 'sp/src/game/client/hl2/c_plasma_beam_node.cpp') diff --git a/sp/src/game/client/hl2/c_plasma_beam_node.cpp b/sp/src/game/client/hl2/c_plasma_beam_node.cpp new file mode 100644 index 00000000..6f979c50 --- /dev/null +++ b/sp/src/game/client/hl2/c_plasma_beam_node.cpp @@ -0,0 +1,279 @@ +//========= Copyright Valve Corporation, All rights reserved. ============// +// +// Purpose: +// +// $NoKeywords: $ +//=============================================================================// + +#include "cbase.h" +#include "particles_simple.h" +#include "c_tracer.h" +#include "particle_collision.h" +#include "view.h" +#include "clienteffectprecachesystem.h" + +// memdbgon must be the last include file in a .cpp file!!! +#include "tier0/memdbgon.h" + +#define PLASMASPARK_LIFETIME 0.5 +#define SPRAYS_PER_THINK 12 + +CLIENTEFFECT_REGISTER_BEGIN( PrecacheEffectPlasmaBeam ) +CLIENTEFFECT_MATERIAL( "sprites/plasmaember" ) +CLIENTEFFECT_REGISTER_END() + +class C_PlasmaBeamNode; + +//################################################################## +// +// > CPlasmaSpray +// +//################################################################## +class CPlasmaSpray : public CSimpleEmitter +{ +public: + CPlasmaSpray( const char *pDebugName ) : CSimpleEmitter( pDebugName ) {} + + static CSmartPtr Create( const char *pDebugName ); + void Think( void ); + void UpdateVelocity( SimpleParticle *pParticle, float timeDelta ); + virtual void RenderParticles( CParticleRenderIterator *pIterator ); + virtual void SimulateParticles( CParticleSimulateIterator *pIterator ); + EHANDLE m_pOwner; + CParticleCollision m_ParticleCollision; + +private: + CPlasmaSpray( const CPlasmaSpray & ); +}; + +//################################################################## +// +// PlasmaBeamNode - generates plasma spray +// +//################################################################## +class C_PlasmaBeamNode : public C_BaseEntity +{ +public: + DECLARE_CLASS( C_PlasmaBeamNode, C_BaseEntity ); + DECLARE_CLIENTCLASS(); + + C_PlasmaBeamNode(); + ~C_PlasmaBeamNode(void); + +public: + void ClientThink(void); + void AddEntity( void ); + void OnDataChanged(DataUpdateType_t updateType); + bool ShouldDraw(); + bool m_bSprayOn; + CSmartPtr m_pFirePlasmaSpray; +}; + +//################################################################## +// +// > CPlasmaSpray +// +//################################################################## + +//----------------------------------------------------------------------------- +// Purpose: +// Input : *pParticle - +// timeDelta - +// Output : float +//----------------------------------------------------------------------------- +CSmartPtr CPlasmaSpray::Create( const char *pDebugName ) +{ + CPlasmaSpray *pRet = new CPlasmaSpray( pDebugName ); + return pRet; +} + +//----------------------------------------------------------------------------- +// Purpose: +// Input : fTimeDelta - +// Output : Vector +//----------------------------------------------------------------------------- +void CPlasmaSpray::UpdateVelocity( SimpleParticle *pParticle, float timeDelta ) +{ + Vector vGravity = Vector(0,0,-1000); + float flFrametime = gpGlobals->frametime; + vGravity = flFrametime * vGravity; + pParticle->m_vecVelocity += vGravity; +} + + +void CPlasmaSpray::SimulateParticles( CParticleSimulateIterator *pIterator ) +{ + float timeDelta = pIterator->GetTimeDelta(); + + SimpleParticle *pParticle = (SimpleParticle*)pIterator->GetFirst(); + while ( pParticle ) + { + //Should this particle die? + pParticle->m_flLifetime += timeDelta; + + C_PlasmaBeamNode* pNode = (C_PlasmaBeamNode*)((C_BaseEntity*)m_pOwner); + if ( pParticle->m_flLifetime >= pParticle->m_flDieTime ) + { + pIterator->RemoveParticle( pParticle ); + } + // If owner is gone or spray off remove me + else if (pNode == NULL || !pNode->m_bSprayOn) + { + pIterator->RemoveParticle( pParticle ); + } + + //Simulate the movement with collision + trace_t trace; + m_ParticleCollision.MoveParticle( pParticle->m_Pos, pParticle->m_vecVelocity, NULL, timeDelta, &trace ); + + pParticle = (SimpleParticle*)pIterator->GetNext(); + } +} + + +void CPlasmaSpray::RenderParticles( CParticleRenderIterator *pIterator ) +{ + const SimpleParticle *pParticle = (const SimpleParticle *)pIterator->GetFirst(); + while ( pParticle ) + { + float scale = random->RandomFloat( 0.02, 0.08 ); + + // NOTE: We need to do everything in screen space + Vector delta; + Vector start; + TransformParticle(ParticleMgr()->GetModelView(), pParticle->m_Pos, start); + float sortKey = start.z; + + Vector3DMultiply( CurrentWorldToViewMatrix(), pParticle->m_vecVelocity, delta ); + + delta[0] *= scale; + delta[1] *= scale; + delta[2] *= scale; + + // See c_tracer.* for this method + Tracer_Draw( pIterator->GetParticleDraw(), start, delta, random->RandomInt( 2, 8 ), 0 ); + + pParticle = (const SimpleParticle *)pIterator->GetNext( sortKey ); + } +} + + +//################################################################## +// +// PlasmaBeamNode - generates plasma spray +// +//################################################################## + +//------------------------------------------------------------------------------ +// Purpose : +// Input : +// Output : +//------------------------------------------------------------------------------ +C_PlasmaBeamNode::C_PlasmaBeamNode(void) +{ + m_bSprayOn = false; + m_pFirePlasmaSpray = CPlasmaSpray::Create( "C_PlasmaBeamNode" ); +} + +//------------------------------------------------------------------------------ +// Purpose : +// Input : +// Output : +//------------------------------------------------------------------------------ +C_PlasmaBeamNode::~C_PlasmaBeamNode(void) +{ +} + +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void C_PlasmaBeamNode::AddEntity( void ) +{ + m_pFirePlasmaSpray->SetSortOrigin( GetAbsOrigin() ); +} + +//------------------------------------------------------------------------------ +// Purpose : +// Input : +// Output : +//------------------------------------------------------------------------------ +void C_PlasmaBeamNode::OnDataChanged(DataUpdateType_t updateType) +{ + if (updateType == DATA_UPDATE_CREATED) + { + Vector vMoveDir = GetAbsVelocity(); + float flVel = VectorNormalize(vMoveDir); + m_pFirePlasmaSpray->m_ParticleCollision.Setup( GetAbsOrigin(), &vMoveDir, 0.3, + flVel-50, flVel+50, 800, 0.5 ); + SetNextClientThink(gpGlobals->curtime + 0.01); + } + C_BaseEntity::OnDataChanged(updateType); +} + +//------------------------------------------------------------------------------ +// Purpose : +// Input : +// Output : +//------------------------------------------------------------------------------ +bool C_PlasmaBeamNode::ShouldDraw() +{ + return false; +} + +//------------------------------------------------------------------------------ +// Purpose : +// Input : +// Output : +//------------------------------------------------------------------------------ +void C_PlasmaBeamNode::ClientThink(void) +{ + if (!m_bSprayOn) + { + return; + } + + trace_t trace; + Vector vEndTrace = GetAbsOrigin() + (0.3*GetAbsVelocity()); + UTIL_TraceLine( GetAbsOrigin(), vEndTrace, MASK_SHOT, NULL, COLLISION_GROUP_NONE, &trace ); + if ( trace.fraction != 1.0f || trace.startsolid) + { + m_bSprayOn = false; + return; + } + + PMaterialHandle handle = m_pFirePlasmaSpray->GetPMaterial( "sprites/plasmaember" ); + for (int i=0;iRandomInt( 0, 2 ) == 0 ) + { + float ranx = random->RandomFloat( -28.0f, 28.0f ); + float rany = random->RandomFloat( -28.0f, 28.0f ); + float ranz = random->RandomFloat( -28.0f, 28.0f ); + + Vector vNewPos = GetAbsOrigin(); + Vector vAdd = Vector(GetAbsAngles().x,GetAbsAngles().y,GetAbsAngles().z)*random->RandomFloat(-60,120); + vNewPos += vAdd; + + sParticle = (SimpleParticle *) m_pFirePlasmaSpray->AddParticle( sizeof(SimpleParticle), handle, vNewPos ); + + sParticle->m_flLifetime = 0.0f; + sParticle->m_flDieTime = PLASMASPARK_LIFETIME; + + sParticle->m_vecVelocity = GetAbsVelocity(); + sParticle->m_vecVelocity.x += ranx; + sParticle->m_vecVelocity.y += rany; + sParticle->m_vecVelocity.z += ranz; + m_pFirePlasmaSpray->m_pOwner = this; + } + } + + SetNextClientThink(gpGlobals->curtime + 0.05); +} + +IMPLEMENT_CLIENTCLASS_DT(C_PlasmaBeamNode, DT_PlasmaBeamNode, CPlasmaBeamNode ) + RecvPropVector (RECVINFO(m_vecVelocity), 0, RecvProxy_LocalVelocity), + RecvPropInt (RECVINFO(m_bSprayOn)), +END_RECV_TABLE() -- cgit v1.2.3