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Add Textured Particles

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This commit is contained in:
Ricardo Luís Vaz Silva 2022-11-01 16:28:00 -03:00 committed by Christoph Oelckers
parent 9bbf65df36
commit b6202ffc4c
5 changed files with 95 additions and 10 deletions
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66
src/playsim/p_actionfunctions.cpp
View file

@ -1676,6 +1676,72 @@ DEFINE_ACTION_FUNCTION(AActor, A_SpawnParticle)
return 0;
}
DEFINE_ACTION_FUNCTION(AActor, A_SpawnParticleEx)
{
PARAM_SELF_PROLOGUE(AActor);
PARAM_COLOR (color);
PARAM_INT (i_texid)
PARAM_INT (style)
PARAM_INT (flags)
PARAM_INT (lifetime)
PARAM_FLOAT (size)
PARAM_ANGLE (angle)
PARAM_FLOAT (xoff)
PARAM_FLOAT (yoff)
PARAM_FLOAT (zoff)
PARAM_FLOAT (xvel)
PARAM_FLOAT (yvel)
PARAM_FLOAT (zvel)
PARAM_FLOAT (accelx)
PARAM_FLOAT (accely)
PARAM_FLOAT (accelz)
PARAM_FLOAT (startalpha)
PARAM_FLOAT (fadestep)
PARAM_FLOAT (sizestep)
startalpha = clamp(startalpha, 0., 1.);
if (fadestep > 0) fadestep = clamp(fadestep, 0., 1.);
size = fabs(size);
if (lifetime != 0)
{
if (flags & SPF_RELANG) angle += self->Angles.Yaw;
double s = angle.Sin();
double c = angle.Cos();
DVector3 pos(xoff, yoff, zoff + self->GetBobOffset());
DVector3 vel(xvel, yvel, zvel);
DVector3 acc(accelx, accely, accelz);
//[MC] Code ripped right out of A_SpawnItemEx.
if (flags & SPF_RELPOS)
{
// in relative mode negative y values mean 'left' and positive ones mean 'right'
// This is the inverse orientation of the absolute mode!
pos.X = xoff * c + yoff * s;
pos.Y = xoff * s - yoff * c;
}
if (flags & SPF_RELVEL)
{
vel.X = xvel * c + yvel * s;
vel.Y = xvel * s - yvel * c;
}
if (flags & SPF_RELACCEL)
{
acc.X = accelx * c + accely * s;
acc.Y = accelx * s - accely * c;
}
FTextureID texid;
texid.SetIndex(i_texid);
if(style < 0 || style >= STYLE_Count)
{
style = STYLE_None;
}
P_SpawnParticle(self->Level, self->Vec3Offset(pos), vel, acc, color, startalpha, lifetime, size, fadestep, sizestep, flags, texid, ERenderStyle(style));
}
return 0;
}
//===========================================================================
//
// A_CheckSight

4
src/playsim/p_effect.cpp
View file

@ -278,7 +278,7 @@ enum PSFlag
};
void P_SpawnParticle(FLevelLocals *Level, const DVector3 &pos, const DVector3 &vel, const DVector3 &accel, PalEntry color, double startalpha, int lifetime, double size,
double fadestep, double sizestep, int flags)
double fadestep, double sizestep, int flags, FTextureID texture, ERenderStyle style)
{
particle_t *particle = NewParticle(Level);
@ -296,6 +296,8 @@ void P_SpawnParticle(FLevelLocals *Level, const DVector3 &pos, const DVector3 &v
particle->size = size;
particle->sizestep = sizestep;
particle->notimefreeze = !!(flags & PS_NOTIMEFREEZE);
particle->texture = texture;
particle->style = style;
}
}

5
src/playsim/p_effect.h
View file

@ -35,6 +35,7 @@
#include "vectors.h"
#include "doomdef.h"
#include "renderstyle.h"
enum
{
@ -65,6 +66,8 @@ struct particle_t
int color;
uint16_t tnext;
uint16_t snext;
FTextureID texture;
ERenderStyle style;
};
const uint16_t NO_PARTICLE = 0xffff;
@ -80,7 +83,7 @@ particle_t *JitterParticle (FLevelLocals *Level, int ttl);
particle_t *JitterParticle (FLevelLocals *Level, int ttl, double drift);
void P_ThinkParticles (FLevelLocals *Level);
void P_SpawnParticle(FLevelLocals *Level, const DVector3 &pos, const DVector3 &vel, const DVector3 &accel, PalEntry color, double startalpha, int lifetime, double size, double fadestep, double sizestep, int flags = 0);
void P_SpawnParticle(FLevelLocals *Level, const DVector3 &pos, const DVector3 &vel, const DVector3 &accel, PalEntry color, double startalpha, int lifetime, double size, double fadestep, double sizestep, int flags = 0, FTextureID texture = FNullTextureID(), ERenderStyle style = STYLE_None);
void P_InitEffects (void);
void P_RunEffect (AActor *actor, int effects);

27
src/rendering/hwrenderer/scene/hw_sprites.cpp
View file

@ -1277,7 +1277,16 @@ void HWSprite::ProcessParticle (HWDrawInfo *di, particle_t *particle, sector_t *
}
trans=particle->alpha;
if(particle->style != STYLE_None)
{
RenderStyle = particle->style;
}
else
{
RenderStyle = STYLE_Translucent;
}
OverrideShader = 0;
ThingColor = particle->color;
@ -1289,17 +1298,21 @@ void HWSprite::ProcessParticle (HWDrawInfo *di, particle_t *particle, sector_t *
bottomclip = -LARGE_VALUE;
index = 0;
bool has_texture = !particle->texture.isNull();
int particle_style = has_texture ? 2 : gl_particles_style; // Treat custom texture the same as smooth particles
// [BB] Load the texture for round or smooth particles
if (gl_particles_style)
if (particle_style)
{
FTextureID lump;
if (gl_particles_style == 1)
if (particle_style == 1)
{
lump = TexMan.glPart2;
}
else if (gl_particles_style == 2)
else if (particle_style == 2)
{
lump = TexMan.glPart;
lump = has_texture ? particle -> texture : TexMan.glPart;
}
else lump.SetNull();
@ -1329,8 +1342,8 @@ void HWSprite::ProcessParticle (HWDrawInfo *di, particle_t *particle, sector_t *
z = float(particle->Pos.Z) + zvf;
float factor;
if (gl_particles_style == 1) factor = 1.3f / 7.f;
else if (gl_particles_style == 2) factor = 2.5f / 7.f;
if (particle_style == 1) factor = 1.3f / 7.f;
else if (particle_style == 2) factor = 2.5f / 7.f;
else factor = 1 / 7.f;
float scalefac=particle->size * factor;
@ -1351,7 +1364,7 @@ void HWSprite::ProcessParticle (HWDrawInfo *di, particle_t *particle, sector_t *
fullbright = !!particle->bright;
// [BB] Translucent particles have to be rendered without the alpha test.
if (gl_particles_style != 2 && trans>=1.0f-FLT_EPSILON) hw_styleflags = STYLEHW_Solid;
if (particle_style != 2 && trans>=1.0f-FLT_EPSILON) hw_styleflags = STYLEHW_Solid;
else hw_styleflags = STYLEHW_NoAlphaTest;
if (sector->e->XFloor.lightlist.Size() != 0 && !di->isFullbrightScene() && !fullbright)

1
wadsrc/static/zscript/actors/actor.zs
View file

@ -1128,6 +1128,7 @@ class Actor : Thinker native
native void A_FadeTo(double target, double amount = 0.1, int flags = 0);
native void A_SpawnDebris(class<Actor> spawntype, bool transfer_translation = false, double mult_h = 1, double mult_v = 1);
native void A_SpawnParticle(color color1, int flags = 0, int lifetime = TICRATE, double size = 1, double angle = 0, double xoff = 0, double yoff = 0, double zoff = 0, double velx = 0, double vely = 0, double velz = 0, double accelx = 0, double accely = 0, double accelz = 0, double startalphaf = 1, double fadestepf = -1, double sizestep = 0);
native void A_SpawnParticleEx(color color1, TextureID texture, int style = STYLE_None, int flags = 0, int lifetime = TICRATE, double size = 1, double angle = 0, double xoff = 0, double yoff = 0, double zoff = 0, double velx = 0, double vely = 0, double velz = 0, double accelx = 0, double accely = 0, double accelz = 0, double startalphaf = 1, double fadestepf = -1, double sizestep = 0);
native void A_ExtChase(bool usemelee, bool usemissile, bool playactive = true, bool nightmarefast = false);
native void A_DropInventory(class<Inventory> itemtype, int amount = -1);
native void A_SetBlend(color color1, double alpha, int tics, color color2 = 0, double alpha2 = 0.);