bool CPSSpawnEffect::Update(const float &time, const double &elapsedTime)
{
if (m_fDieTime > 0.0f && m_fDieTime <= time)
dying = true;
else if (m_iNumParticles == 0)
dying = true;
if (dying)
return 1;
if (!(m_iFlags & RENDERSYSTEM_FLAG_DONTFOLLOW))
FollowEntity();
CParticle *curPart = NULL;
for (int i = 0; i < m_iNumParticles; ++i)
{
curPart = &m_pParticleList[i];
if (curPart->m_fEnergy <= 0.0f)
m_pParticleList[i] = m_pParticleList[--m_iNumParticles];
VectorCopy(curPart->m_vPos, curPart->m_vPosPrev);
curPart->m_vPos[0] = m_vecOrigin[0] + m_fRadius*sinf(-6.0f*time + (float)(i*2));
curPart->m_vPos[1] = m_vecOrigin[1] + m_fRadius*cosf(-6.0f*time + (float)(i*2));
curPart->m_vPos[2] = curPart->m_vPos[2] + curPart->m_vVel[2]*elapsedTime;
VectorMA(curPart->m_vVel, elapsedTime, curPart->m_vAccel, curPart->m_vVel);
if (m_iFlags & RENDERSYSTEM_FLAG_RANDOMFRAME)
curPart->FrameRandomize();
else
curPart->FrameIncrease();
// curPart->m_fEnergy += m_fBrightnessDelta*elapsedTime;
curPart->UpdateColor(elapsedTime);
curPart->UpdateSize(elapsedTime);
curPart->UpdateEnergyByBrightness();
}
m_fRadius += m_fRadiusDelta*elapsedTime;// effect radius is increasing
return 0;
}
//-----------------------------------------------------------------------------
// Purpose: Update system parameters along with time
// DO NOT PERFORM ANY DRAWING HERE!
// Input : &time - current client time
// &elapsedTime - time elapsed since last frame
// Output : Returns true if needs to be removed
//-----------------------------------------------------------------------------
bool CPSDrips::Update(const float &time, const double &elapsedTime)
{
if (m_fDieTime > 0 && m_fDieTime <= time)
dying = true;
if (dying && m_iNumParticles == 0)
return 1;
// if (!(m_iFlags & RENDERSYSTEM_FLAG_DONTFOLLOW))
// if (FollowEntity() == false)// entity not visible
// return 0;
// CON_DPRINTF(" .. CPSDrips::Update() (e %d)\n", m_iFollowEntity);
// Emit(ceil((float)m_iMaxParticles*0.5f));
Emit(max(1, m_iMaxParticles>>2));// 1/4
int c = 0;
pmtrace_t pmtrace;
CParticle *curPart = NULL;
gEngfuncs.pEventAPI->EV_SetUpPlayerPrediction(false, true);
gEngfuncs.pEventAPI->EV_PushPMStates();// BUGBUG: do not call this during map loading process
gEngfuncs.pEventAPI->EV_SetSolidPlayers(-1);
gEngfuncs.pEventAPI->EV_SetTraceHull(2);
for (int i = 0; i < m_iNumParticles; ++i)
{
curPart = &m_pParticleList[i];
if (curPart->m_fEnergy <= 0.0f)
m_pParticleList[i] = m_pParticleList[--m_iNumParticles];
if (curPart->m_iFlags & PARTICLE_FLAG1)// splash
{
curPart->m_fEnergy -= (float)(1.5 * elapsedTime);
}
else
{
VectorCopy(curPart->m_vPos, curPart->m_vPosPrev);
// BUGBUG TODO FIXME T_T do something with this!!!
VectorMA(curPart->m_vVel, elapsedTime, curPart->m_vAccel, curPart->m_vVel);
VectorMA(curPart->m_vPos, elapsedTime, curPart->m_vVel, curPart->m_vPos);
//works LAGLAG VectorMA(curPart->m_vPos, elapsedTime, curPart->m_vVelAdd, curPart->m_vPos);
//works VectorScale(curPart->m_vVelAdd, 1.0f-elapsedTime*2.0f, curPart->m_vVelAdd);
// VectorMA(curPart->m_vAccel, elapsedTime*-0.1, curPart->m_vAccel, curPart->m_vAccel);
gEngfuncs.pEventAPI->EV_PlayerTrace(curPart->m_vPosPrev, curPart->m_vPos, PM_STUDIO_BOX, -1, &pmtrace);
if (!pmtrace.inwater)
c = gEngfuncs.PM_PointContents(curPart->m_vPos, NULL);
if (pmtrace.inwater || (c < CONTENTS_SOLID && c > CONTENTS_SKY))
{
// CON_DPRINTF("in water\n");
VectorClear(curPart->m_vVel);
if (/*m_iSplashTexture > 0*/m_pTexture2 && PointIsVisible(curPart->m_vPos))// FIXME too slow?
{
curPart->m_pTexture = m_pTexture2;//IEngineStudio.GetModelByIndex(m_iSplashTexture);
/* if (!curPart->m_pTexture || curPart->m_pTexture->type != mod_sprite)
{
curPart->m_fEnergy = -1.0f;
continue;
}
else*/
{
// CON_DPRINTF("texture loaded\n");
curPart->m_fEnergy = 1.0f;
// curPart->m_fSizeX = 4.0f;
// curPart->m_fSizeY = 4.0f;
curPart->SetSizeFromTexture(m_fScale, m_fScale);// slow?
curPart->m_fSizeDelta = SPLASH_SIZE_DELTA;
curPart->m_iFlags |= PARTICLE_FLAG1;
curPart->m_iFrame = 0;
#ifdef DRIPSPARALLELTEST// testing: circles parallel to surface
Vector normal;//, angles;
VectorCopy(pmtrace.plane.normal, normal);
normal[0] *= -1.0f;
normal[1] *= -1.0f;
VectorAngles(normal, curPart->m_vVel);// angles
#endif// unused since there is only horizontal water in Half-Life
}
}
else
{
curPart->m_fEnergy = -1.0f;
continue;
}
}
else if (pmtrace.fraction != 1.0f)
{
// if (m_iFlags & RENDERSYSTEM_FLAG_CLIPREMOVE || c == CONTENTS_SOLID || !PointIsVisible(curPart->m_vPos))
curPart->m_fEnergy = -1.0f;
curPart->m_fSizeDelta = 0.0f;
VectorClear(curPart->m_vVel);
continue;
}
}
if (m_iFlags & RENDERSYSTEM_FLAG_RANDOMFRAME)
curPart->FrameRandomize();
else
curPart->FrameIncrease();
curPart->UpdateColor(elapsedTime);
curPart->UpdateSize(elapsedTime);
curPart->m_fColor[3] = curPart->m_fEnergy;
}
gEngfuncs.pEventAPI->EV_PopPMStates();
return 0;
}
