477 lines
12 KiB
C++
477 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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// $NoKeywords: $
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//=============================================================================//
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#include "cbase.h"
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#include "particles_simple.h"
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#include "tempent.h"
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#include "iefx.h"
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#include "decals.h"
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#include "iviewrender.h"
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#include "engine/ivmodelinfo.h"
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#include "view.h"
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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#define NUM_CHILD_FLAMES 6
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#define CHILD_SPREAD 40
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//==================================================
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// C_Plasma
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//==================================================
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//NOTENOTE: Mirrored in dlls/fire_smoke.h
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#define bitsFIRESMOKE_NONE 0x00000000
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#define bitsFIRESMOKE_ACTIVE 0x00000001
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class C_PlasmaSprite : public C_Sprite
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{
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DECLARE_CLASS( C_PlasmaSprite, C_Sprite );
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public:
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Vector m_vecMoveDir;
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};
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class C_Plasma : public C_BaseEntity
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{
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public:
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DECLARE_CLIENTCLASS();
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DECLARE_CLASS( C_Plasma, C_BaseEntity );
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C_Plasma();
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~C_Plasma();
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void AddEntity( void );
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protected:
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void Update( void );
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void UpdateAnimation( void );
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void UpdateScale( void );
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void UpdateFlames( void );
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void AddFlames( void );
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void Start( void );
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float GetFlickerScale( void );
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//C_BaseEntity
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public:
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virtual void OnDataChanged( DataUpdateType_t updateType );
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virtual bool ShouldDraw();
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//From the server
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public:
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float m_flStartScale;
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float m_flScale;
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float m_flScaleTime;
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int m_nFlags;
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int m_nPlasmaModelIndex;
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int m_nPlasmaModelIndex2;
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int m_nGlowModelIndex;
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//Client-side only
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public:
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float m_flScaleRegister;
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float m_flScaleStart;
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float m_flScaleEnd;
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float m_flScaleTimeStart;
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float m_flScaleTimeEnd;
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VPlane m_planeClip;
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bool m_bClipTested;
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protected:
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C_PlasmaSprite m_entFlames[NUM_CHILD_FLAMES];
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float m_entFlameScales[NUM_CHILD_FLAMES];
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C_Sprite m_entGlow;
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float m_flGlowScale;
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TimedEvent m_tParticleSpawn;
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TimedEvent m_tDecalSpawn;
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private:
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C_Plasma( const C_Plasma & );
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};
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : *pRecvProp -
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// *pStruct -
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// *pVarData -
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// *pIn -
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// objectID -
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//-----------------------------------------------------------------------------
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void RecvProxy_PlasmaScale( const CRecvProxyData *pData, void *pStruct, void *pOut )
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{
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C_Plasma *pPlasmaSmoke = (C_Plasma *) pStruct;
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float scale = pData->m_Value.m_Float;
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//If changed, update our internal information
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if ( pPlasmaSmoke->m_flScale != scale )
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{
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pPlasmaSmoke->m_flScaleStart = pPlasmaSmoke->m_flScaleRegister;
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pPlasmaSmoke->m_flScaleEnd = scale;
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pPlasmaSmoke->m_flScale = scale;
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : *pRecvProp -
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// *pStruct -
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// *pVarData -
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// *pIn -
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// objectID -
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//-----------------------------------------------------------------------------
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void RecvProxy_PlasmaScaleTime( const CRecvProxyData *pData, void *pStruct, void *pOut )
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{
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C_Plasma *pPlasmaSmoke = (C_Plasma *) pStruct;
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float time = pData->m_Value.m_Float;
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//If changed, update our internal information
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if ( pPlasmaSmoke->m_flScaleTime != time )
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{
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if ( time == -1.0f )
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{
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pPlasmaSmoke->m_flScaleTimeStart = gpGlobals->curtime-1.0f;
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pPlasmaSmoke->m_flScaleTimeEnd = pPlasmaSmoke->m_flScaleTimeStart;
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}
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else
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{
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pPlasmaSmoke->m_flScaleTimeStart = gpGlobals->curtime;
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pPlasmaSmoke->m_flScaleTimeEnd = gpGlobals->curtime + time;
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}
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pPlasmaSmoke->m_flScaleTime = time;
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}
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}
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//Receive datatable
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IMPLEMENT_CLIENTCLASS_DT( C_Plasma, DT_Plasma, CPlasma )
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RecvPropFloat( RECVINFO( m_flStartScale )),
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RecvPropFloat( RECVINFO( m_flScale ), 0, RecvProxy_PlasmaScale ),
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RecvPropFloat( RECVINFO( m_flScaleTime ), 0, RecvProxy_PlasmaScaleTime ),
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RecvPropInt( RECVINFO( m_nFlags ) ),
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RecvPropInt( RECVINFO( m_nPlasmaModelIndex ) ),
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RecvPropInt( RECVINFO( m_nPlasmaModelIndex2 ) ),
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RecvPropInt( RECVINFO( m_nGlowModelIndex ) ),
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END_RECV_TABLE()
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//==================================================
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// C_Plasma
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//==================================================
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C_Plasma::C_Plasma()
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{
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//Server-side
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m_flStartScale = 0.0f;
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m_flScale = 0.0f;
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m_flScaleTime = 0.0f;
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m_nFlags = bitsFIRESMOKE_NONE;
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m_nPlasmaModelIndex = 0;
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m_nPlasmaModelIndex2 = 0;
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m_nGlowModelIndex = 0;
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//Client-side
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m_flScaleRegister = 0.0f;
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m_flScaleStart = 0.0f;
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m_flScaleEnd = 0.0f;
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m_flScaleTimeStart = 0.0f;
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m_flScaleTimeEnd = 0.0f;
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m_flGlowScale = 0.0f;
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m_bClipTested = false;
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m_entGlow.Clear();
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//Clear all child flames
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for ( int i = 0; i < NUM_CHILD_FLAMES; i++ )
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{
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m_entFlames[i].Clear();
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}
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}
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C_Plasma::~C_Plasma()
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{
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Output : float
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//-----------------------------------------------------------------------------
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float C_Plasma::GetFlickerScale( void )
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{
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float result = 0.0f;
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result = sin( gpGlobals->curtime * 10000.0f );
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result += 0.5f * sin( gpGlobals->curtime * 2000.0f );
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result -= 0.5f * cos( gpGlobals->curtime * 8000.0f );
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return result * 0.1f;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void C_Plasma::AddEntity( void )
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{
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//Only do this if we're active
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if ( ( m_nFlags & bitsFIRESMOKE_ACTIVE ) == false )
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return;
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Update();
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AddFlames();
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float dScale = m_flScaleRegister - m_flGlowScale;
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m_flGlowScale = m_flScaleRegister;
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// Note: Sprite renderer assumes scale of 0.0 is 1.0
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m_entGlow.SetScale( MAX( 0.0000001f, (m_flScaleRegister*1.5f) + GetFlickerScale() ) );
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m_entGlow.SetLocalOriginDim( Z_INDEX, m_entGlow.GetLocalOriginDim( Z_INDEX ) + ( dScale * 32.0f ) );
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}
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#define FLAME_ALPHA_START 0.8f
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#define FLAME_ALPHA_END 1.0f
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#define FLAME_TRANS_START 0.75f
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void C_Plasma::AddFlames( void )
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{
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Vector viewDir = GetAbsOrigin() - CurrentViewOrigin();
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VectorNormalize(viewDir);
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float dot = viewDir.Dot( Vector( 0, 0, 1 ) ); //NOTENOTE: Flames always point up
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float alpha = 1.0f;
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dot = fabs( dot );
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if ( dot < FLAME_ALPHA_START )
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{
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alpha = 1.0f;
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}
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for ( int i = 0; i < NUM_CHILD_FLAMES; i++ )
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{
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if ( m_entFlames[i].GetScale() > 0.0f )
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{
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m_entFlames[i].SetRenderColor( ( 255.0f * alpha ), ( 255.0f * alpha ), ( 255.0f * alpha ) );
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m_entFlames[i].SetBrightness( 255.0f * alpha );
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}
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m_entFlames[i].AddToLeafSystem();
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : bnewentity -
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//-----------------------------------------------------------------------------
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void C_Plasma::OnDataChanged( DataUpdateType_t updateType )
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{
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C_BaseEntity::OnDataChanged( updateType );
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if ( updateType == DATA_UPDATE_CREATED )
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{
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Start();
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool C_Plasma::ShouldDraw()
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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_Plasma::Start( void )
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{
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//Various setup info
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m_tParticleSpawn.Init( 10.0f );
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m_tDecalSpawn.Init( 20.0f);
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QAngle offset;
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int maxFrames;
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// Setup the child flames
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int i;
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for ( i = 0; i < NUM_CHILD_FLAMES; i++ )
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{
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//Setup our offset angles
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offset[0] = 0.0f;
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offset[1] = random->RandomFloat( 0, 360 );
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offset[2] = 0.0f;
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AngleVectors( offset, &m_entFlames[i].m_vecMoveDir );
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int nModelIndex = ( i % 2 ) ? m_nPlasmaModelIndex : m_nPlasmaModelIndex2;
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model_t *pModel = (model_t *) modelinfo->GetModel( nModelIndex );
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maxFrames = modelinfo->GetModelFrameCount( pModel );
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// Setup all the information for the client entity
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m_entFlames[i].SetModelByIndex( nModelIndex );
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m_entFlames[i].SetLocalOrigin( GetLocalOrigin() );
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m_entFlames[i].m_flFrame = random->RandomInt( 0.0f, maxFrames );
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m_entFlames[i].m_flSpriteFramerate = (float) random->RandomInt( 15, 20 );
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m_entFlames[i].SetScale( m_flStartScale );
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m_entFlames[i].SetRenderMode( kRenderTransAddFrameBlend );
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m_entFlames[i].m_nRenderFX = kRenderFxNone;
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m_entFlames[i].SetRenderColor( 255, 255, 255, 255 );
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m_entFlames[i].SetBrightness( 255 );
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m_entFlames[i].index = -1;
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if ( i == 0 )
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{
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m_entFlameScales[i] = 1.0f;
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}
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else
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{
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//Keep a scale offset
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m_entFlameScales[i] = 1.0f - ( ( (float) i / (float) NUM_CHILD_FLAMES ) );
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}
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}
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// Setup the glow
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m_entGlow.SetModelByIndex( m_nGlowModelIndex );
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m_entGlow.SetLocalOrigin( GetLocalOrigin() );
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m_entGlow.SetScale( m_flStartScale );
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m_entGlow.SetRenderMode( kRenderTransAdd );
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m_entGlow.m_nRenderFX = kRenderFxNone;
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m_entGlow.SetRenderColor( 255, 255, 255, 255 );
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m_entGlow.SetBrightness( 255 );
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m_entGlow.index = -1;
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m_flGlowScale = m_flStartScale;
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m_entGlow.AddToLeafSystem( RENDER_GROUP_TRANSLUCENT_ENTITY );
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for( i=0; i < NUM_CHILD_FLAMES; i++ )
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m_entFlames[i].AddToLeafSystem( RENDER_GROUP_TRANSLUCENT_ENTITY );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void C_Plasma::UpdateAnimation( void )
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{
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int numFrames;
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float frametime = gpGlobals->frametime;
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for ( int i = 0; i < NUM_CHILD_FLAMES; i++ )
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{
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m_entFlames[i].m_flFrame += m_entFlames[i].m_flSpriteFramerate * frametime;
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numFrames = modelinfo->GetModelFrameCount( m_entFlames[i].GetModel() );
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if ( m_entFlames[i].m_flFrame >= numFrames )
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{
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m_entFlames[i].m_flFrame = m_entFlames[i].m_flFrame - (int)(m_entFlames[i].m_flFrame);
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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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//-----------------------------------------------------------------------------
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void C_Plasma::UpdateFlames( void )
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{
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for ( int i = 0; i < NUM_CHILD_FLAMES; i++ )
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{
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float newScale = m_flScaleRegister * m_entFlameScales[i];
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float dScale = newScale - m_entFlames[i].GetScale();
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Vector dir;
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dir[2] = 0.0f;
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VectorNormalize( dir );
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dir[2] = 0.0f;
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Vector offset = GetAbsOrigin();
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offset[2] = m_entFlames[i].GetAbsOrigin()[2];
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// Note: Sprite render assumes 0 scale means 1.0
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m_entFlames[i].SetScale ( MAX(0.000001,newScale) );
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if ( i != 0 )
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{
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m_entFlames[i].SetLocalOrigin( offset + ( m_entFlames[i].m_vecMoveDir * ((m_entFlames[i].GetScale())*CHILD_SPREAD) ) );
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}
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Assert( !m_entFlames[i].GetMoveParent() );
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m_entFlames[i].SetLocalOriginDim( Z_INDEX, m_entFlames[i].GetLocalOriginDim( Z_INDEX ) + ( dScale * 64.0f ) );
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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_Plasma::UpdateScale( void )
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{
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float time = gpGlobals->curtime;
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if ( m_flScaleRegister != m_flScaleEnd )
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{
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//See if we're done scaling
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if ( time > m_flScaleTimeEnd )
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{
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m_flScaleRegister = m_flStartScale = m_flScaleEnd;
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}
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else
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{
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//Lerp the scale and set it
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float timeFraction = 1.0f - ( m_flScaleTimeEnd - time ) / ( m_flScaleTimeEnd - m_flScaleTimeStart );
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float newScale = m_flScaleStart + ( ( m_flScaleEnd - m_flScaleStart ) * timeFraction );
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m_flScaleRegister = m_flStartScale = newScale;
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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 : fTimeDelta -
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//-----------------------------------------------------------------------------
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void C_Plasma::Update( void )
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{
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//Update all our parts
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UpdateScale();
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UpdateAnimation();
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UpdateFlames();
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if (m_flScaleRegister > 0.1)
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{
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float tempDelta = gpGlobals->frametime;
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while( m_tDecalSpawn.NextEvent( tempDelta ) )
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{
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// Add decal to floor
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C_BaseEntity *ent = cl_entitylist->GetEnt( 0 );
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if ( ent )
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{
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int iDecal = decalsystem->GetDecalIndexForName( "PlasmaGlowFade" );
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if ( iDecal >= 0 )
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{
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effects->DecalShoot( iDecal, 0, ent->GetModel(), ent->GetAbsOrigin(), ent->GetAbsAngles(), GetAbsOrigin(), 0, 0 );
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}
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}
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}
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}
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}
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