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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
parent c4d8950a7f
commit f787056198
7 changed files with 36 additions and 21 deletions
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7
src/p_acs.cpp
View file

@ -6048,7 +6048,7 @@ doplaysound: if (funcIndex == ACSF_PlayActorSound)
PalEntry color = args[0];
bool fullbright = argCount > 1 ? !!args[1] : false;
int lifetime = argCount > 2 ? args[2] : 35;
int size = argCount > 3 ? args[3] : 1;
double size = argCount > 3 ? args[3] : 1.;
int x = argCount > 4 ? args[4] : 0;
int y = argCount > 5 ? args[5] : 0;
int z = argCount > 6 ? args[6] : 0;
@ -6060,17 +6060,18 @@ doplaysound: if (funcIndex == ACSF_PlayActorSound)
int accelz = argCount > 12 ? args[12] : 0;
int startalpha = argCount > 13 ? args[13] : 0xFF; // Byte trans
int fadestep = argCount > 14 ? args[14] : -1;
double endsize = argCount > 15 ? args[15] : -1.;
startalpha = clamp<int>(startalpha, 0, 255); // Clamp to byte
lifetime = clamp<int>(lifetime, 0, 255); // Clamp to byte
fadestep = clamp<int>(fadestep, -1, 255); // Clamp to byte inc. -1 (indicating automatic)
size = clamp<int>(size, 0, 65535); // Clamp to word
size = fabs(size);
if (lifetime != 0)
P_SpawnParticle(DVector3(ACSToDouble(x), ACSToDouble(y), ACSToDouble(z)),
DVector3(ACSToDouble(xvel), ACSToDouble(yvel), ACSToDouble(zvel)),
DVector3(ACSToDouble(accelx), ACSToDouble(accely), ACSToDouble(accelz)),
color, fullbright, startalpha/255., lifetime, size, fadestep/255.);
color, startalpha/255., lifetime, size, endsize, fadestep/255., fullbright);
}
break;

27
src/p_effect.cpp
View file

@ -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);
}
}

6
src/p_effect.h
View file

@ -59,13 +59,15 @@ struct particle_t
DVector3 Acc;
BYTE ttl;
BYTE trans;
WORD size;
double size;
double sizestep;
BYTE bright;
BYTE fade;
int color;
WORD tnext;
WORD snext;
subsector_t * subsector;
bool notimefreeze;
};
extern particle_t *Particles;
@ -83,7 +85,7 @@ particle_t *JitterParticle (int ttl);
particle_t *JitterParticle (int ttl, double drift);
void P_ThinkParticles (void);
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 = 0);
void P_InitEffects (void);
void P_RunEffects (void);

3
src/p_tick.cpp
View file

@ -117,10 +117,7 @@ void P_Ticker (void)
// Since things will be moving, it's okay to interpolate them in the renderer.
r_NoInterpolate = false;
if (!bglobal.freeze && !(level.flags2 & LEVEL2_FROZEN))
{
P_ThinkParticles(); // [RH] make the particles think
}
for (i = 0; i<MAXPLAYERS; i++)
if (playeringame[i] &&

9
src/thingdef/thingdef_codeptr.cpp
View file

@ -3147,6 +3147,7 @@ enum SPFflag
SPF_RELVEL = 1 << 2,
SPF_RELACCEL = 1 << 3,
SPF_RELANG = 1 << 4,
SPF_NOTIMEFREEZE = 1 << 5,
};
DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_SpawnParticle)
@ -3155,7 +3156,7 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_SpawnParticle)
PARAM_COLOR (color);
PARAM_INT_OPT (flags) { flags = 0; }
PARAM_INT_OPT (lifetime) { lifetime = 35; }
PARAM_INT_OPT (size) { size = 1; }
PARAM_FLOAT_OPT (size) { size = 1.; }
PARAM_ANGLE_OPT (angle) { angle = 0.; }
PARAM_FLOAT_OPT (xoff) { xoff = 0; }
PARAM_FLOAT_OPT (yoff) { yoff = 0; }
@ -3168,11 +3169,11 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_SpawnParticle)
PARAM_FLOAT_OPT (accelz) { accelz = 0; }
PARAM_FLOAT_OPT (startalpha) { startalpha = 1.; }
PARAM_FLOAT_OPT (fadestep) { fadestep = -1.; }
PARAM_FLOAT_OPT (endsize) { endsize = -1.; }
startalpha = clamp(startalpha, 0., 1.);
if (fadestep > 0) fadestep = clamp(fadestep, 0., 1.);
size = clamp<int>(size, 0, 65535); // Clamp to word
size = fabs(size);
if (lifetime != 0)
{
if (flags & SPF_RELANG) angle += self->Angles.Yaw;
@ -3199,7 +3200,7 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_SpawnParticle)
acc.X = accelx * c + accely * s;
acc.Y = accelx * s - accely * c;
}
P_SpawnParticle(self->Vec3Offset(pos), vel, acc, color, !!(flags & SPF_FULLBRIGHT), startalpha, lifetime, size, fadestep);
P_SpawnParticle(self->Vec3Offset(pos), vel, acc, color, startalpha, lifetime, size, fadestep, endsize, flags);
}
return 0;
}

2
wadsrc/static/actors/actor.txt
View file

@ -214,7 +214,7 @@ ACTOR Actor native //: Thinker
native void A_SetScale(float scalex, float scaley = 0, int ptr = AAPTR_DEFAULT, bool usezero = false);
native void A_SetMass(int mass);
native void A_SpawnDebris(class<Actor> spawntype, bool transfer_translation = false, float mult_h = 1, float mult_v = 1);
native void A_SpawnParticle(color color1, int flags = 0, int lifetime = 35, int size = 1, float angle = 0, float xoff = 0, float yoff = 0, float zoff = 0, float velx = 0, float vely = 0, float velz = 0, float accelx = 0, float accely = 0, float accelz = 0, float startalphaf = 1, float fadestepf = -1);
native void A_SpawnParticle(color color1, int flags = 0, int lifetime = 35, float size = 1, float angle = 0, float xoff = 0, float yoff = 0, float zoff = 0, float velx = 0, float vely = 0, float velz = 0, float accelx = 0, float accely = 0, float accelz = 0, float startalphaf = 1, float fadestepf = -1, float endsize = -1);
native state A_CheckSight(state label);
native void A_ExtChase(bool usemelee, bool usemissile, bool playactive = true, bool nightmarefast = false);
native void A_DropInventory(class<Inventory> itemtype);

1
wadsrc/static/actors/constants.txt
View file

@ -539,6 +539,7 @@ enum
SPF_RELVEL = 1 << 2,
SPF_RELACCEL = 1 << 3,
SPF_RELANG = 1 << 4,
SPF_NOTIMEFREEZE = 1 << 5,
SPF_RELATIVE = SPF_RELPOS|SPF_RELVEL|SPF_RELACCEL|SPF_RELANG
};