Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================//
#include "cbase.h"
#include "particles_simple.h"
#include "tempent.h"
#include "iefx.h"
#include "decals.h"
#include "iviewrender.h"
#include "engine/ivmodelinfo.h"
#include "view.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
#define NUM_CHILD_FLAMES 6
#define CHILD_SPREAD 40
//==================================================
// C_Plasma
//==================================================
//NOTENOTE: Mirrored in dlls/fire_smoke.h
#define bitsFIRESMOKE_NONE 0x00000000
#define bitsFIRESMOKE_ACTIVE 0x00000001
class C_PlasmaSprite : public C_Sprite
{
DECLARE_CLASS( C_PlasmaSprite, C_Sprite );
public:
Vector m_vecMoveDir;
};
class C_Plasma : public C_BaseEntity
{
public:
DECLARE_CLIENTCLASS();
DECLARE_CLASS( C_Plasma, C_BaseEntity );
C_Plasma();
~C_Plasma();
void AddEntity( void );
protected:
void Update( void );
void UpdateAnimation( void );
void UpdateScale( void );
void UpdateFlames( void );
void AddFlames( void );
void Start( void );
float GetFlickerScale( void );
//C_BaseEntity
public:
virtual void OnDataChanged( DataUpdateType_t updateType );
virtual bool ShouldDraw();
//From the server
public:
float m_flStartScale;
float m_flScale;
float m_flScaleTime;
int m_nFlags;
int m_nPlasmaModelIndex;
int m_nPlasmaModelIndex2;
int m_nGlowModelIndex;
//Client-side only
public:
float m_flScaleRegister;
float m_flScaleStart;
float m_flScaleEnd;
float m_flScaleTimeStart;
float m_flScaleTimeEnd;
VPlane m_planeClip;
bool m_bClipTested;
protected:
C_PlasmaSprite m_entFlames[NUM_CHILD_FLAMES];
float m_entFlameScales[NUM_CHILD_FLAMES];
C_Sprite m_entGlow;
float m_flGlowScale;
TimedEvent m_tParticleSpawn;
TimedEvent m_tDecalSpawn;
private:
C_Plasma( const C_Plasma & );
};
//-----------------------------------------------------------------------------
// Purpose:
// Input : *pRecvProp -
// *pStruct -
// *pVarData -
// *pIn -
// objectID -
//-----------------------------------------------------------------------------
void RecvProxy_PlasmaScale( const CRecvProxyData *pData, void *pStruct, void *pOut )
{
C_Plasma *pPlasmaSmoke = (C_Plasma *) pStruct;
float scale = pData->m_Value.m_Float;
//If changed, update our internal information
if ( pPlasmaSmoke->m_flScale != scale )
{
pPlasmaSmoke->m_flScaleStart = pPlasmaSmoke->m_flScaleRegister;
pPlasmaSmoke->m_flScaleEnd = scale;
pPlasmaSmoke->m_flScale = scale;
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *pRecvProp -
// *pStruct -
// *pVarData -
// *pIn -
// objectID -
//-----------------------------------------------------------------------------
void RecvProxy_PlasmaScaleTime( const CRecvProxyData *pData, void *pStruct, void *pOut )
{
C_Plasma *pPlasmaSmoke = (C_Plasma *) pStruct;
float time = pData->m_Value.m_Float;
//If changed, update our internal information
if ( pPlasmaSmoke->m_flScaleTime != time )
{
if ( time == -1.0f )
{
pPlasmaSmoke->m_flScaleTimeStart = gpGlobals->curtime-1.0f;
pPlasmaSmoke->m_flScaleTimeEnd = pPlasmaSmoke->m_flScaleTimeStart;
}
else
{
pPlasmaSmoke->m_flScaleTimeStart = gpGlobals->curtime;
pPlasmaSmoke->m_flScaleTimeEnd = gpGlobals->curtime + time;
}
pPlasmaSmoke->m_flScaleTime = time;
}
}
//Receive datatable
IMPLEMENT_CLIENTCLASS_DT( C_Plasma, DT_Plasma, CPlasma )
RecvPropFloat( RECVINFO( m_flStartScale )),
RecvPropFloat( RECVINFO( m_flScale ), 0, RecvProxy_PlasmaScale ),
RecvPropFloat( RECVINFO( m_flScaleTime ), 0, RecvProxy_PlasmaScaleTime ),
RecvPropInt( RECVINFO( m_nFlags ) ),
RecvPropInt( RECVINFO( m_nPlasmaModelIndex ) ),
RecvPropInt( RECVINFO( m_nPlasmaModelIndex2 ) ),
RecvPropInt( RECVINFO( m_nGlowModelIndex ) ),
END_RECV_TABLE()
//==================================================
// C_Plasma
//==================================================
C_Plasma::C_Plasma()
{
//Server-side
m_flStartScale = 0.0f;
m_flScale = 0.0f;
m_flScaleTime = 0.0f;
m_nFlags = bitsFIRESMOKE_NONE;
m_nPlasmaModelIndex = 0;
m_nPlasmaModelIndex2 = 0;
m_nGlowModelIndex = 0;
//Client-side
m_flScaleRegister = 0.0f;
m_flScaleStart = 0.0f;
m_flScaleEnd = 0.0f;
m_flScaleTimeStart = 0.0f;
m_flScaleTimeEnd = 0.0f;
m_flGlowScale = 0.0f;
m_bClipTested = false;
m_entGlow.Clear();
//Clear all child flames
for ( int i = 0; i < NUM_CHILD_FLAMES; i++ )
{
m_entFlames[i].Clear();
}
}
C_Plasma::~C_Plasma()
{
}
//-----------------------------------------------------------------------------
// Purpose:
// Output : float
//-----------------------------------------------------------------------------
float C_Plasma::GetFlickerScale( void )
{
float result = 0.0f;
result = sin( gpGlobals->curtime * 10000.0f );
result += 0.5f * sin( gpGlobals->curtime * 2000.0f );
result -= 0.5f * cos( gpGlobals->curtime * 8000.0f );
return result * 0.1f;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void C_Plasma::AddEntity( void )
{
//Only do this if we're active
if ( ( m_nFlags & bitsFIRESMOKE_ACTIVE ) == false )
return;
Update();
AddFlames();
float dScale = m_flScaleRegister - m_flGlowScale;
m_flGlowScale = m_flScaleRegister;
// Note: Sprite renderer assumes scale of 0.0 is 1.0
m_entGlow.SetScale( MAX( 0.0000001f, (m_flScaleRegister*1.5f) + GetFlickerScale() ) );
m_entGlow.SetLocalOriginDim( Z_INDEX, m_entGlow.GetLocalOriginDim( Z_INDEX ) + ( dScale * 32.0f ) );
}
#define FLAME_ALPHA_START 0.8f
#define FLAME_ALPHA_END 1.0f
#define FLAME_TRANS_START 0.75f
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void C_Plasma::AddFlames( void )
{
Vector viewDir = GetAbsOrigin() - CurrentViewOrigin();
VectorNormalize(viewDir);
float dot = viewDir.Dot( Vector( 0, 0, 1 ) ); //NOTENOTE: Flames always point up
float alpha = 1.0f;
dot = fabs( dot );
if ( dot < FLAME_ALPHA_START )
{
alpha = 1.0f;
}
for ( int i = 0; i < NUM_CHILD_FLAMES; i++ )
{
if ( m_entFlames[i].GetScale() > 0.0f )
{
m_entFlames[i].SetRenderColor( ( 255.0f * alpha ), ( 255.0f * alpha ), ( 255.0f * alpha ) );
m_entFlames[i].SetBrightness( 255.0f * alpha );
}
m_entFlames[i].AddToLeafSystem();
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : bnewentity -
//-----------------------------------------------------------------------------
void C_Plasma::OnDataChanged( DataUpdateType_t updateType )
{
C_BaseEntity::OnDataChanged( updateType );
if ( updateType == DATA_UPDATE_CREATED )
{
Start();
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool C_Plasma::ShouldDraw()
{
return true;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void C_Plasma::Start( void )
{
//Various setup info
m_tParticleSpawn.Init( 10.0f );
m_tDecalSpawn.Init( 20.0f);
QAngle offset;
int maxFrames;
// Setup the child flames
int i;
for ( i = 0; i < NUM_CHILD_FLAMES; i++ )
{
//Setup our offset angles
offset[0] = 0.0f;
offset[1] = random->RandomFloat( 0, 360 );
offset[2] = 0.0f;
AngleVectors( offset, &m_entFlames[i].m_vecMoveDir );
int nModelIndex = ( i % 2 ) ? m_nPlasmaModelIndex : m_nPlasmaModelIndex2;
model_t *pModel = (model_t *) modelinfo->GetModel( nModelIndex );
maxFrames = modelinfo->GetModelFrameCount( pModel );
// Setup all the information for the client entity
m_entFlames[i].SetModelByIndex( nModelIndex );
m_entFlames[i].SetLocalOrigin( GetLocalOrigin() );
m_entFlames[i].m_flFrame = random->RandomInt( 0.0f, maxFrames );
m_entFlames[i].m_flSpriteFramerate = (float) random->RandomInt( 15, 20 );
m_entFlames[i].SetScale( m_flStartScale );
m_entFlames[i].SetRenderMode( kRenderTransAddFrameBlend );
m_entFlames[i].m_nRenderFX = kRenderFxNone;
m_entFlames[i].SetRenderColor( 255, 255, 255, 255 );
m_entFlames[i].SetBrightness( 255 );
m_entFlames[i].index = -1;
if ( i == 0 )
{
m_entFlameScales[i] = 1.0f;
}
else
{
//Keep a scale offset
m_entFlameScales[i] = 1.0f - ( ( (float) i / (float) NUM_CHILD_FLAMES ) );
}
}
// Setup the glow
m_entGlow.SetModelByIndex( m_nGlowModelIndex );
m_entGlow.SetLocalOrigin( GetLocalOrigin() );
m_entGlow.SetScale( m_flStartScale );
m_entGlow.SetRenderMode( kRenderTransAdd );
m_entGlow.m_nRenderFX = kRenderFxNone;
m_entGlow.SetRenderColor( 255, 255, 255, 255 );
m_entGlow.SetBrightness( 255 );
m_entGlow.index = -1;
m_flGlowScale = m_flStartScale;
m_entGlow.AddToLeafSystem( RENDER_GROUP_TRANSLUCENT_ENTITY );
for( i=0; i < NUM_CHILD_FLAMES; i++ )
m_entFlames[i].AddToLeafSystem( RENDER_GROUP_TRANSLUCENT_ENTITY );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void C_Plasma::UpdateAnimation( void )
{
int numFrames;
float frametime = gpGlobals->frametime;
for ( int i = 0; i < NUM_CHILD_FLAMES; i++ )
{
m_entFlames[i].m_flFrame += m_entFlames[i].m_flSpriteFramerate * frametime;
numFrames = modelinfo->GetModelFrameCount( m_entFlames[i].GetModel() );
if ( m_entFlames[i].m_flFrame >= numFrames )
{
m_entFlames[i].m_flFrame = m_entFlames[i].m_flFrame - (int)(m_entFlames[i].m_flFrame);
}
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void C_Plasma::UpdateFlames( void )
{
for ( int i = 0; i < NUM_CHILD_FLAMES; i++ )
{
float newScale = m_flScaleRegister * m_entFlameScales[i];
float dScale = newScale - m_entFlames[i].GetScale();
Vector dir;
dir[2] = 0.0f;
VectorNormalize( dir );
dir[2] = 0.0f;
Vector offset = GetAbsOrigin();
offset[2] = m_entFlames[i].GetAbsOrigin()[2];
// Note: Sprite render assumes 0 scale means 1.0
m_entFlames[i].SetScale ( MAX(0.000001,newScale) );
if ( i != 0 )
{
m_entFlames[i].SetLocalOrigin( offset + ( m_entFlames[i].m_vecMoveDir * ((m_entFlames[i].GetScale())*CHILD_SPREAD) ) );
}
Assert( !m_entFlames[i].GetMoveParent() );
m_entFlames[i].SetLocalOriginDim( Z_INDEX, m_entFlames[i].GetLocalOriginDim( Z_INDEX ) + ( dScale * 64.0f ) );
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void C_Plasma::UpdateScale( void )
{
float time = gpGlobals->curtime;
if ( m_flScaleRegister != m_flScaleEnd )
{
//See if we're done scaling
if ( time > m_flScaleTimeEnd )
{
m_flScaleRegister = m_flStartScale = m_flScaleEnd;
}
else
{
//Lerp the scale and set it
float timeFraction = 1.0f - ( m_flScaleTimeEnd - time ) / ( m_flScaleTimeEnd - m_flScaleTimeStart );
float newScale = m_flScaleStart + ( ( m_flScaleEnd - m_flScaleStart ) * timeFraction );
m_flScaleRegister = m_flStartScale = newScale;
}
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : fTimeDelta -
//-----------------------------------------------------------------------------
void C_Plasma::Update( void )
{
//Update all our parts
UpdateScale();
UpdateAnimation();
UpdateFlames();
if (m_flScaleRegister > 0.1)
{
float tempDelta = gpGlobals->frametime;
while( m_tDecalSpawn.NextEvent( tempDelta ) )
{
// Add decal to floor
C_BaseEntity *ent = cl_entitylist->GetEnt( 0 );
if ( ent )
{
int index = decalsystem->GetDecalIndexForName( "PlasmaGlowFade" );
if ( index >= 0 )
{
effects->DecalShoot( index, 0, ent->GetModel(), ent->GetAbsOrigin(), ent->GetAbsAngles(), GetAbsOrigin(), 0, 0 );
}
}
}
}
}