OrdinaryMagician/vkdoom_m
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- Added endsize parameter and SPF_NOTIMEFREEZE for A_SpawnParticle.

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SPF_NOTIMEFREEZE processes particles with this flag regardless of time freeze. The endsize parameter changes the scale of the particle to that size throughout its lifetime linearly.
This commit is contained in:
MajorCooke 2016-06-10 18:15:43 -05:00 • committed by Christoph Oelckers
commit f787056198
7 changed files with 36 additions and 21 deletions
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27
src/p_effect.cpp
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@ -252,7 +252,6 @@ void P_InitEffects ()
blood2 = ParticleColor(RPART(kind)/3, GPART(kind)/3, BPART(kind)/3);
}
void P_ThinkParticles ()
{
int i;
@ -262,13 +261,19 @@ void P_ThinkParticles ()
prev = NULL;
while (i != NO_PARTICLE)
{
BYTE oldtrans;
particle = Particles + i;
i = particle->tnext;
if (!particle->notimefreeze && ((bglobal.freeze) || (level.flags2 & LEVEL2_FROZEN)))
{
continue;
}
BYTE oldtrans;
oldtrans = particle->trans;
particle->trans -= particle->fade;
if (oldtrans < particle->trans || --particle->ttl == 0)
particle->size += particle->sizestep;
if (oldtrans < particle->trans || --particle->ttl <= 0 || (particle->size <= 0))
{ // The particle has expired, so free it
memset (particle, 0, sizeof(particle_t));
if (prev)
@ -309,8 +314,14 @@ void P_ThinkParticles ()
}
}
enum PSFlag
{
PS_FULLBRIGHT = 1,
PS_NOTIMEFREEZE = 1 << 5,
};
void P_SpawnParticle(const DVector3 &pos, const DVector3 &vel, const DVector3 &accel, PalEntry color, bool fullbright, double startalpha, int lifetime, WORD size, double fadestep)
void P_SpawnParticle(const DVector3 &pos, const DVector3 &vel, const DVector3 &accel, PalEntry color, double startalpha, int lifetime, double size,
double fadestep, double endsize, int flags)
{
particle_t *particle = NewParticle();
@ -324,8 +335,10 @@ void P_SpawnParticle(const DVector3 &pos, const DVector3 &vel, const DVector3 &a
if (fadestep < 0) particle->fade = FADEFROMTTL(lifetime);
else particle->fade = int(fadestep * 255);
particle->ttl = lifetime;
particle->bright = fullbright;
particle->size = (WORD)size;
particle->bright = !!(flags & PS_FULLBRIGHT);
particle->size = size;
particle->sizestep = (lifetime == 0) ? 0 : ((endsize - size) / lifetime);
particle->notimefreeze = !!(flags & PS_NOTIMEFREEZE);
}
}