mirror of
https://github.com/ZDoom/qzdoom.git
synced 2024-11-15 08:52:04 +00:00
6c006a5fbd
I think these were the last two still missing it, all remaining uses of the global level variable are in code that doesn't get run through a level tick and are supposed to access the primary level.
917 lines
23 KiB
C++
917 lines
23 KiB
C++
/*
|
|
** p_effect.cpp
|
|
** Particle effects
|
|
**
|
|
**---------------------------------------------------------------------------
|
|
** Copyright 1998-2006 Randy Heit
|
|
** All rights reserved.
|
|
**
|
|
** Redistribution and use in source and binary forms, with or without
|
|
** modification, are permitted provided that the following conditions
|
|
** are met:
|
|
**
|
|
** 1. Redistributions of source code must retain the above copyright
|
|
** notice, this list of conditions and the following disclaimer.
|
|
** 2. Redistributions in binary form must reproduce the above copyright
|
|
** notice, this list of conditions and the following disclaimer in the
|
|
** documentation and/or other materials provided with the distribution.
|
|
** 3. The name of the author may not be used to endorse or promote products
|
|
** derived from this software without specific prior written permission.
|
|
**
|
|
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
**---------------------------------------------------------------------------
|
|
**
|
|
** If particles used real sprites instead of blocks, they could be much
|
|
** more useful.
|
|
*/
|
|
|
|
#include "doomtype.h"
|
|
#include "doomstat.h"
|
|
|
|
#include "actor.h"
|
|
#include "m_argv.h"
|
|
#include "p_effect.h"
|
|
#include "p_local.h"
|
|
#include "r_defs.h"
|
|
#include "gi.h"
|
|
#include "d_player.h"
|
|
#include "r_utility.h"
|
|
#include "g_levellocals.h"
|
|
#include "vm.h"
|
|
#include "actorinlines.h"
|
|
#include "g_game.h"
|
|
|
|
CVAR (Int, cl_rockettrails, 1, CVAR_ARCHIVE);
|
|
CVAR (Bool, r_rail_smartspiral, 0, CVAR_ARCHIVE);
|
|
CVAR (Int, r_rail_spiralsparsity, 1, CVAR_ARCHIVE);
|
|
CVAR (Int, r_rail_trailsparsity, 1, CVAR_ARCHIVE);
|
|
CVAR (Bool, r_particles, true, 0);
|
|
EXTERN_CVAR(Int, r_maxparticles);
|
|
|
|
FRandom pr_railtrail("RailTrail");
|
|
|
|
#define FADEFROMTTL(a) (1.f/(a))
|
|
|
|
static int grey1, grey2, grey3, grey4, red, green, blue, yellow, black,
|
|
red1, green1, blue1, yellow1, purple, purple1, white,
|
|
rblue1, rblue2, rblue3, rblue4, orange, yorange, dred, grey5,
|
|
maroon1, maroon2, blood1, blood2;
|
|
|
|
static const struct ColorList {
|
|
int *color;
|
|
uint8_t r, g, b;
|
|
} Colors[] = {
|
|
{&grey1, 85, 85, 85 },
|
|
{&grey2, 171, 171, 171},
|
|
{&grey3, 50, 50, 50 },
|
|
{&grey4, 210, 210, 210},
|
|
{&grey5, 128, 128, 128},
|
|
{&red, 255, 0, 0 },
|
|
{&green, 0, 200, 0 },
|
|
{&blue, 0, 0, 255},
|
|
{&yellow, 255, 255, 0 },
|
|
{&black, 0, 0, 0 },
|
|
{&red1, 255, 127, 127},
|
|
{&green1, 127, 255, 127},
|
|
{&blue1, 127, 127, 255},
|
|
{&yellow1, 255, 255, 180},
|
|
{&purple, 120, 0, 160},
|
|
{&purple1, 200, 30, 255},
|
|
{&white, 255, 255, 255},
|
|
{&rblue1, 81, 81, 255},
|
|
{&rblue2, 0, 0, 227},
|
|
{&rblue3, 0, 0, 130},
|
|
{&rblue4, 0, 0, 80 },
|
|
{&orange, 255, 120, 0 },
|
|
{&yorange, 255, 170, 0 },
|
|
{&dred, 80, 0, 0 },
|
|
{&maroon1, 154, 49, 49 },
|
|
{&maroon2, 125, 24, 24 },
|
|
{NULL, 0, 0, 0 }
|
|
};
|
|
|
|
inline particle_t *NewParticle (FLevelLocals *Level)
|
|
{
|
|
particle_t *result = nullptr;
|
|
if (Level->InactiveParticles != NO_PARTICLE)
|
|
{
|
|
result = &Level->Particles[Level->InactiveParticles];
|
|
Level->InactiveParticles = result->tnext;
|
|
result->tnext = Level->ActiveParticles;
|
|
Level->ActiveParticles = uint32_t(result - Level->Particles.Data());
|
|
}
|
|
return result;
|
|
}
|
|
|
|
//
|
|
// [RH] Particle functions
|
|
//
|
|
void P_InitParticles (FLevelLocals *);
|
|
|
|
void P_InitParticles (FLevelLocals *Level)
|
|
{
|
|
const char *i;
|
|
int num;
|
|
|
|
if ((i = Args->CheckValue ("-numparticles")))
|
|
num = atoi (i);
|
|
// [BC] Use r_maxparticles now.
|
|
else
|
|
num = r_maxparticles;
|
|
|
|
// This should be good, but eh...
|
|
int NumParticles = clamp<int>(num, 100, 65535);
|
|
|
|
Level->Particles.Resize(NumParticles);
|
|
P_ClearParticles (Level);
|
|
}
|
|
|
|
void P_ClearParticles (FLevelLocals *Level)
|
|
{
|
|
int i = 0;
|
|
memset (Level->Particles.Data(), 0, Level->Particles.Size() * sizeof(particle_t));
|
|
Level->ActiveParticles = NO_PARTICLE;
|
|
Level->InactiveParticles = 0;
|
|
for (auto &p : Level->Particles)
|
|
p.tnext = ++i;
|
|
Level->Particles.Last().tnext = NO_PARTICLE;
|
|
}
|
|
|
|
// Group particles by subsectors. Because particles are always
|
|
// in motion, there is little benefit to caching this information
|
|
// from one frame to the next.
|
|
|
|
void P_FindParticleSubsectors (FLevelLocals *Level)
|
|
{
|
|
if (Level->ParticlesInSubsec.Size() < Level->subsectors.Size())
|
|
{
|
|
Level->ParticlesInSubsec.Reserve (Level->subsectors.Size() - Level->ParticlesInSubsec.Size());
|
|
}
|
|
|
|
fillshort (&Level->ParticlesInSubsec[0], Level->subsectors.Size(), NO_PARTICLE);
|
|
|
|
if (!r_particles)
|
|
{
|
|
return;
|
|
}
|
|
for (uint16_t i = Level->ActiveParticles; i != NO_PARTICLE; i = Level->Particles[i].tnext)
|
|
{
|
|
// Try to reuse the subsector from the last portal check, if still valid.
|
|
if (Level->Particles[i].subsector == nullptr) Level->Particles[i].subsector = Level->PointInRenderSubsector(Level->Particles[i].Pos);
|
|
int ssnum = Level->Particles[i].subsector->Index();
|
|
Level->Particles[i].snext = Level->ParticlesInSubsec[ssnum];
|
|
Level->ParticlesInSubsec[ssnum] = i;
|
|
}
|
|
}
|
|
|
|
static TMap<int, int> ColorSaver;
|
|
|
|
static uint32_t ParticleColor(int rgb)
|
|
{
|
|
int *val;
|
|
int stuff;
|
|
|
|
val = ColorSaver.CheckKey(rgb);
|
|
if (val != NULL)
|
|
{
|
|
return *val;
|
|
}
|
|
stuff = rgb | (ColorMatcher.Pick(RPART(rgb), GPART(rgb), BPART(rgb)) << 24);
|
|
ColorSaver[rgb] = stuff;
|
|
return stuff;
|
|
}
|
|
|
|
static uint32_t ParticleColor(int r, int g, int b)
|
|
{
|
|
return ParticleColor(MAKERGB(r, g, b));
|
|
}
|
|
|
|
void P_InitEffects ()
|
|
{
|
|
const struct ColorList *color = Colors;
|
|
|
|
while (color->color)
|
|
{
|
|
*(color->color) = ParticleColor(color->r, color->g, color->b);
|
|
color++;
|
|
}
|
|
|
|
int kind = gameinfo.defaultbloodparticlecolor;
|
|
blood1 = ParticleColor(kind);
|
|
blood2 = ParticleColor(RPART(kind)/3, GPART(kind)/3, BPART(kind)/3);
|
|
}
|
|
|
|
void P_ThinkParticles (FLevelLocals *Level)
|
|
{
|
|
int i;
|
|
particle_t *particle, *prev;
|
|
|
|
i = Level->ActiveParticles;
|
|
prev = NULL;
|
|
while (i != NO_PARTICLE)
|
|
{
|
|
particle = &Level->Particles[i];
|
|
i = particle->tnext;
|
|
if (!particle->notimefreeze && Level->isFrozen())
|
|
{
|
|
prev = particle;
|
|
continue;
|
|
}
|
|
|
|
auto oldtrans = particle->alpha;
|
|
particle->alpha -= particle->fadestep;
|
|
particle->size += particle->sizestep;
|
|
if (particle->alpha <= 0 || oldtrans < particle->alpha || --particle->ttl <= 0 || (particle->size <= 0))
|
|
{ // The particle has expired, so free it
|
|
memset (particle, 0, sizeof(particle_t));
|
|
if (prev)
|
|
prev->tnext = i;
|
|
else
|
|
Level->ActiveParticles = i;
|
|
particle->tnext = Level->InactiveParticles;
|
|
Level->InactiveParticles = (int)(particle - Level->Particles.Data());
|
|
continue;
|
|
}
|
|
|
|
// Handle crossing a line portal
|
|
DVector2 newxy = Level->GetPortalOffsetPosition(particle->Pos.X, particle->Pos.Y, particle->Vel.X, particle->Vel.Y);
|
|
particle->Pos.X = newxy.X;
|
|
particle->Pos.Y = newxy.Y;
|
|
particle->Pos.Z += particle->Vel.Z;
|
|
particle->Vel += particle->Acc;
|
|
particle->subsector = Level->PointInRenderSubsector(particle->Pos);
|
|
sector_t *s = particle->subsector->sector;
|
|
// Handle crossing a sector portal.
|
|
if (!s->PortalBlocksMovement(sector_t::ceiling))
|
|
{
|
|
if (particle->Pos.Z > s->GetPortalPlaneZ(sector_t::ceiling))
|
|
{
|
|
particle->Pos += s->GetPortalDisplacement(sector_t::ceiling);
|
|
particle->subsector = NULL;
|
|
}
|
|
}
|
|
else if (!s->PortalBlocksMovement(sector_t::floor))
|
|
{
|
|
if (particle->Pos.Z < s->GetPortalPlaneZ(sector_t::floor))
|
|
{
|
|
particle->Pos += s->GetPortalDisplacement(sector_t::floor);
|
|
particle->subsector = NULL;
|
|
}
|
|
}
|
|
prev = particle;
|
|
}
|
|
}
|
|
|
|
enum PSFlag
|
|
{
|
|
PS_FULLBRIGHT = 1,
|
|
PS_NOTIMEFREEZE = 1 << 5,
|
|
};
|
|
|
|
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)
|
|
{
|
|
particle_t *particle = NewParticle(Level);
|
|
|
|
if (particle)
|
|
{
|
|
particle->Pos = pos;
|
|
particle->Vel = vel;
|
|
particle->Acc = accel;
|
|
particle->color = ParticleColor(color);
|
|
particle->alpha = float(startalpha);
|
|
if (fadestep < 0) particle->fadestep = FADEFROMTTL(lifetime);
|
|
else particle->fadestep = float(fadestep);
|
|
particle->ttl = lifetime;
|
|
particle->bright = !!(flags & PS_FULLBRIGHT);
|
|
particle->size = size;
|
|
particle->sizestep = sizestep;
|
|
particle->notimefreeze = !!(flags & PS_NOTIMEFREEZE);
|
|
}
|
|
}
|
|
|
|
//
|
|
// P_RunEffects
|
|
//
|
|
// Run effects on all actors in the world
|
|
//
|
|
void P_RunEffects (FLevelLocals *Level)
|
|
{
|
|
AActor *actor;
|
|
auto iterator = Level->GetThinkerIterator<AActor>();
|
|
|
|
while ( (actor = iterator.Next ()) )
|
|
{
|
|
if (actor->effects || actor->fountaincolor)
|
|
{
|
|
P_RunEffect (actor, actor->effects);
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// JitterParticle
|
|
//
|
|
// Creates a particle with "jitter"
|
|
//
|
|
particle_t *JitterParticle (FLevelLocals *Level, int ttl)
|
|
{
|
|
return JitterParticle (Level, ttl, 1.0);
|
|
}
|
|
// [XA] Added "drift speed" multiplier setting for enhanced railgun stuffs.
|
|
particle_t *JitterParticle (FLevelLocals *Level, int ttl, double drift)
|
|
{
|
|
particle_t *particle = NewParticle (Level);
|
|
|
|
if (particle) {
|
|
int i;
|
|
|
|
// Set initial velocities
|
|
for (i = 3; i; i--)
|
|
particle->Vel[i] = ((1./4096) * (M_Random () - 128) * drift);
|
|
// Set initial accelerations
|
|
for (i = 3; i; i--)
|
|
particle->Acc[i] = ((1./16384) * (M_Random () - 128) * drift);
|
|
|
|
particle->alpha = 1.f; // fully opaque
|
|
particle->ttl = ttl;
|
|
particle->fadestep = FADEFROMTTL(ttl);
|
|
}
|
|
return particle;
|
|
}
|
|
|
|
static void MakeFountain (AActor *actor, int color1, int color2)
|
|
{
|
|
particle_t *particle;
|
|
|
|
if (!(actor->Level->time & 1))
|
|
return;
|
|
|
|
particle = JitterParticle (actor->Level, 51);
|
|
|
|
if (particle)
|
|
{
|
|
DAngle an = M_Random() * (360. / 256);
|
|
double out = actor->radius * M_Random() / 256.;
|
|
|
|
particle->Pos = actor->Vec3Angle(out, an, actor->Height + 1);
|
|
if (out < actor->radius/8)
|
|
particle->Vel.Z += 10./3;
|
|
else
|
|
particle->Vel.Z += 3;
|
|
particle->Acc.Z -= 1./11;
|
|
if (M_Random() < 30) {
|
|
particle->size = 4;
|
|
particle->color = color2;
|
|
} else {
|
|
particle->size = 6;
|
|
particle->color = color1;
|
|
}
|
|
}
|
|
}
|
|
|
|
void P_RunEffect (AActor *actor, int effects)
|
|
{
|
|
DAngle moveangle = actor->Vel.Angle();
|
|
|
|
particle_t *particle;
|
|
int i;
|
|
|
|
if ((effects & FX_ROCKET) && (cl_rockettrails & 1))
|
|
{
|
|
// Rocket trail
|
|
double backx = -actor->radius * 2 * moveangle.Cos();
|
|
double backy = -actor->radius * 2 * moveangle.Sin();
|
|
double backz = actor->Height * ((2. / 3) - actor->Vel.Z / 8);
|
|
|
|
DAngle an = moveangle + 90.;
|
|
double speed;
|
|
|
|
particle = JitterParticle (actor->Level, 3 + (M_Random() & 31));
|
|
if (particle) {
|
|
double pathdist = M_Random() / 256.;
|
|
DVector3 pos = actor->Vec3Offset(
|
|
backx - actor->Vel.X * pathdist,
|
|
backy - actor->Vel.Y * pathdist,
|
|
backz - actor->Vel.Z * pathdist);
|
|
particle->Pos = pos;
|
|
speed = (M_Random () - 128) * (1./200);
|
|
particle->Vel.X += speed * an.Cos();
|
|
particle->Vel.Y += speed * an.Sin();
|
|
particle->Vel.Z -= 1./36;
|
|
particle->Acc.Z -= 1./20;
|
|
particle->color = yellow;
|
|
particle->size = 2;
|
|
}
|
|
for (i = 6; i; i--) {
|
|
particle_t *particle = JitterParticle (actor->Level, 3 + (M_Random() & 31));
|
|
if (particle) {
|
|
double pathdist = M_Random() / 256.;
|
|
DVector3 pos = actor->Vec3Offset(
|
|
backx - actor->Vel.X * pathdist,
|
|
backy - actor->Vel.Y * pathdist,
|
|
backz - actor->Vel.Z * pathdist + (M_Random() / 64.));
|
|
particle->Pos = pos;
|
|
|
|
speed = (M_Random () - 128) * (1./200);
|
|
particle->Vel.X += speed * an.Cos();
|
|
particle->Vel.Y += speed * an.Sin();
|
|
particle->Vel.Z += 1. / 80;
|
|
particle->Acc.Z += 1. / 40;
|
|
if (M_Random () & 7)
|
|
particle->color = grey2;
|
|
else
|
|
particle->color = grey1;
|
|
particle->size = 3;
|
|
} else
|
|
break;
|
|
}
|
|
}
|
|
if ((effects & FX_GRENADE) && (cl_rockettrails & 1))
|
|
{
|
|
// Grenade trail
|
|
|
|
DVector3 pos = actor->Vec3Angle(-actor->radius * 2, moveangle, -actor->Height * actor->Vel.Z / 8 + actor->Height * (2. / 3));
|
|
|
|
P_DrawSplash2 (actor->Level, 6, pos, moveangle + 180, 2, 2);
|
|
}
|
|
if (actor->fountaincolor)
|
|
{
|
|
// Particle fountain
|
|
|
|
static const int *fountainColors[16] =
|
|
{ &black, &black,
|
|
&red, &red1,
|
|
&green, &green1,
|
|
&blue, &blue1,
|
|
&yellow, &yellow1,
|
|
&purple, &purple1,
|
|
&black, &grey3,
|
|
&grey4, &white
|
|
};
|
|
int color = actor->fountaincolor*2;
|
|
MakeFountain (actor, *fountainColors[color], *fountainColors[color+1]);
|
|
}
|
|
if (effects & FX_RESPAWNINVUL)
|
|
{
|
|
// Respawn protection
|
|
|
|
static const int *protectColors[2] = { &yellow1, &white };
|
|
|
|
for (i = 3; i > 0; i--)
|
|
{
|
|
particle = JitterParticle (actor->Level, 16);
|
|
if (particle != NULL)
|
|
{
|
|
DAngle ang = M_Random() * (360 / 256.);
|
|
DVector3 pos = actor->Vec3Angle(actor->radius, ang, 0);
|
|
particle->Pos = pos;
|
|
particle->color = *protectColors[M_Random() & 1];
|
|
particle->Vel.Z = 1;
|
|
particle->Acc.Z = M_Random () / 512.;
|
|
particle->size = 1;
|
|
if (M_Random () < 128)
|
|
{ // make particle fall from top of actor
|
|
particle->Pos.Z += actor->Height;
|
|
particle->Vel.Z = -particle->Vel.Z;
|
|
particle->Acc.Z = -particle->Acc.Z;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void P_DrawSplash (FLevelLocals *Level, int count, const DVector3 &pos, DAngle angle, int kind)
|
|
{
|
|
int color1, color2;
|
|
|
|
switch (kind)
|
|
{
|
|
case 1: // Spark
|
|
color1 = orange;
|
|
color2 = yorange;
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
|
|
for (; count; count--)
|
|
{
|
|
particle_t *p = JitterParticle (Level, 10);
|
|
|
|
if (!p)
|
|
break;
|
|
|
|
p->size = 2;
|
|
p->color = M_Random() & 0x80 ? color1 : color2;
|
|
p->Vel.Z -= M_Random () / 128.;
|
|
p->Acc.Z -= 1./8;
|
|
p->Acc.X += (M_Random () - 128) / 8192.;
|
|
p->Acc.Y += (M_Random () - 128) / 8192.;
|
|
p->Pos.Z = pos.Z - M_Random () / 64.;
|
|
angle += M_Random() * (45./256);
|
|
p->Pos.X = pos.X + (M_Random() & 15)*angle.Cos();
|
|
p->Pos.Y = pos.Y + (M_Random() & 15)*angle.Sin();
|
|
}
|
|
}
|
|
|
|
void P_DrawSplash2 (FLevelLocals *Level, int count, const DVector3 &pos, DAngle angle, int updown, int kind)
|
|
{
|
|
int color1, color2, zadd;
|
|
double zvel, zspread;
|
|
|
|
switch (kind)
|
|
{
|
|
case 0: // Blood
|
|
color1 = blood1;
|
|
color2 = blood2;
|
|
break;
|
|
case 1: // Gunshot
|
|
color1 = grey3;
|
|
color2 = grey5;
|
|
break;
|
|
case 2: // Smoke
|
|
color1 = grey3;
|
|
color2 = grey1;
|
|
break;
|
|
default: // colorized blood
|
|
color1 = ParticleColor(kind);
|
|
color2 = ParticleColor(RPART(kind)/3, GPART(kind)/3, BPART(kind)/3);
|
|
break;
|
|
}
|
|
|
|
zvel = -1./512.;
|
|
zspread = updown ? -6000 / 65536. : 6000 / 65536.;
|
|
zadd = (updown == 2) ? -128 : 0;
|
|
|
|
for (; count; count--)
|
|
{
|
|
particle_t *p = NewParticle (Level);
|
|
DAngle an;
|
|
|
|
if (!p)
|
|
break;
|
|
|
|
p->ttl = 12;
|
|
p->fadestep = FADEFROMTTL(12);
|
|
p->alpha = 1.f;
|
|
p->size = 4;
|
|
p->color = M_Random() & 0x80 ? color1 : color2;
|
|
p->Vel.Z = M_Random() * zvel;
|
|
p->Acc.Z = -1 / 22.;
|
|
if (kind)
|
|
{
|
|
an = angle + ((M_Random() - 128) * (180 / 256.));
|
|
p->Vel.X = M_Random() * an.Cos() / 2048.;
|
|
p->Vel.Y = M_Random() * an.Sin() / 2048.;
|
|
p->Acc.X = p->Vel.X / 16.;
|
|
p->Acc.Y = p->Vel.Y / 16.;
|
|
}
|
|
an = angle + ((M_Random() - 128) * (90 / 256.));
|
|
p->Pos.X = pos.X + ((M_Random() & 31) - 15) * an.Cos();
|
|
p->Pos.Y = pos.Y + ((M_Random() & 31) - 15) * an.Sin();
|
|
p->Pos.Z = pos.Z + (M_Random() + zadd - 128) * zspread;
|
|
}
|
|
}
|
|
|
|
struct TrailSegment
|
|
{
|
|
DVector3 start;
|
|
DVector3 dir;
|
|
DVector3 extend;
|
|
DVector2 soundpos;
|
|
double length;
|
|
double sounddist;
|
|
};
|
|
|
|
|
|
|
|
void P_DrawRailTrail(AActor *source, TArray<SPortalHit> &portalhits, int color1, int color2, double maxdiff, int flags, PClassActor *spawnclass, DAngle angle, int duration, double sparsity, double drift, int SpiralOffset, DAngle pitch)
|
|
{
|
|
double length = 0;
|
|
int steps, i;
|
|
TArray<TrailSegment> trail;
|
|
TAngle<double> deg;
|
|
DVector3 pos;
|
|
bool fullbright;
|
|
unsigned segment;
|
|
double lencount;
|
|
|
|
for (unsigned i = 0; i < portalhits.Size() - 1; i++)
|
|
{
|
|
TrailSegment seg;
|
|
|
|
seg.start = portalhits[i].ContPos;
|
|
seg.dir = portalhits[i].OutDir;
|
|
seg.length = (portalhits[i + 1].HitPos - seg.start).Length();
|
|
|
|
//Calculate PerpendicularVector (extend, dir):
|
|
double minelem = 1;
|
|
int epos;
|
|
int ii;
|
|
for (epos = 0, ii = 0; ii < 3; ++ii)
|
|
{
|
|
if (fabs(seg.dir[ii]) < minelem)
|
|
{
|
|
epos = ii;
|
|
minelem = fabs(seg.dir[ii]);
|
|
}
|
|
}
|
|
DVector3 tempvec(0, 0, 0);
|
|
tempvec[epos] = 1;
|
|
seg.extend = (tempvec - (seg.dir | tempvec) * seg.dir) * 3;
|
|
length += seg.length;
|
|
|
|
auto player = source->Level->GetConsolePlayer();
|
|
if (player)
|
|
{
|
|
// Only consider sound in 2D (for now, anyway)
|
|
// [BB] You have to divide by lengthsquared here, not multiply with it.
|
|
AActor *mo = player->camera;
|
|
double r = ((seg.start.Y - mo->Y()) * (-seg.dir.Y) - (seg.start.X - mo->X()) * (seg.dir.X)) / (seg.length * seg.length);
|
|
r = clamp<double>(r, 0., 1.);
|
|
seg.soundpos = seg.start + r * seg.dir;
|
|
seg.sounddist = (seg.soundpos - mo->Pos()).LengthSquared();
|
|
}
|
|
else
|
|
{
|
|
// Set to invalid for secondary levels.
|
|
seg.soundpos = {0,0};
|
|
seg.sounddist = -1;
|
|
}
|
|
trail.Push(seg);
|
|
}
|
|
|
|
steps = xs_FloorToInt(length / 3);
|
|
fullbright = !!(flags & RAF_FULLBRIGHT);
|
|
|
|
if (steps)
|
|
{
|
|
if (!(flags & RAF_SILENT))
|
|
{
|
|
auto player = source->Level->GetConsolePlayer();
|
|
if (player)
|
|
{
|
|
FSoundID sound;
|
|
|
|
// Allow other sounds than 'weapons/railgf'!
|
|
if (!source->player) sound = source->AttackSound;
|
|
else if (source->player->ReadyWeapon) sound = source->player->ReadyWeapon->AttackSound;
|
|
else sound = 0;
|
|
if (!sound) sound = "weapons/railgf";
|
|
|
|
// The railgun's sound is special. It gets played from the
|
|
// point on the slug's trail that is closest to the hearing player.
|
|
AActor *mo = player->camera;
|
|
|
|
if (fabs(mo->X() - trail[0].start.X) < 20 && fabs(mo->Y() - trail[0].start.Y) < 20)
|
|
{ // This player (probably) fired the railgun
|
|
S_Sound (mo, CHAN_WEAPON, sound, 1, ATTN_NORM);
|
|
}
|
|
else
|
|
{
|
|
TrailSegment *shortest = NULL;
|
|
for (auto &seg : trail)
|
|
{
|
|
if (shortest == NULL || shortest->sounddist > seg.sounddist) shortest = &seg;
|
|
}
|
|
S_Sound (source->Level, DVector3(shortest->soundpos, r_viewpoint.Pos.Z), CHAN_WEAPON, sound, 1, ATTN_NORM);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// line is 0 length, so nothing to do
|
|
return;
|
|
}
|
|
|
|
// Create the outer spiral.
|
|
if (color1 != -1 && (!r_rail_smartspiral || color2 == -1) && r_rail_spiralsparsity > 0 && (spawnclass == NULL))
|
|
{
|
|
double stepsize = 3 * r_rail_spiralsparsity * sparsity;
|
|
int spiral_steps = (int)(steps * r_rail_spiralsparsity / sparsity);
|
|
segment = 0;
|
|
lencount = trail[0].length;
|
|
|
|
color1 = color1 == 0 ? -1 : ParticleColor(color1);
|
|
pos = trail[0].start;
|
|
deg = (double)SpiralOffset;
|
|
for (i = spiral_steps; i; i--)
|
|
{
|
|
particle_t *p = NewParticle (source->Level);
|
|
DVector3 tempvec;
|
|
|
|
if (!p)
|
|
return;
|
|
|
|
int spiralduration = (duration == 0) ? 35 : duration;
|
|
|
|
p->alpha = 1.f;
|
|
p->ttl = spiralduration;
|
|
p->fadestep = FADEFROMTTL(spiralduration);
|
|
p->size = 3;
|
|
p->bright = fullbright;
|
|
|
|
tempvec = DMatrix3x3(trail[segment].dir, deg) * trail[segment].extend;
|
|
p->Vel = tempvec * drift / 16.;
|
|
p->Pos = tempvec + pos;
|
|
pos += trail[segment].dir * stepsize;
|
|
deg += double(r_rail_spiralsparsity * 14);
|
|
lencount -= stepsize;
|
|
if (color1 == -1)
|
|
{
|
|
int rand = M_Random();
|
|
|
|
if (rand < 155)
|
|
p->color = rblue2;
|
|
else if (rand < 188)
|
|
p->color = rblue1;
|
|
else if (rand < 222)
|
|
p->color = rblue3;
|
|
else
|
|
p->color = rblue4;
|
|
}
|
|
else
|
|
{
|
|
p->color = color1;
|
|
}
|
|
|
|
if (lencount <= 0)
|
|
{
|
|
segment++;
|
|
if (segment < trail.Size())
|
|
{
|
|
pos = trail[segment].start - trail[segment].dir * lencount;
|
|
lencount += trail[segment].length;
|
|
}
|
|
else
|
|
{
|
|
// should never happen but if something goes wrong, just terminate the loop.
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Create the inner trail.
|
|
if (color2 != -1 && r_rail_trailsparsity > 0 && spawnclass == NULL)
|
|
{
|
|
double stepsize = 3 * r_rail_trailsparsity * sparsity;
|
|
int trail_steps = xs_FloorToInt(steps * r_rail_trailsparsity / sparsity);
|
|
|
|
color2 = color2 == 0 ? -1 : ParticleColor(color2);
|
|
DVector3 diff(0, 0, 0);
|
|
|
|
pos = trail[0].start;
|
|
lencount = trail[0].length;
|
|
segment = 0;
|
|
for (i = trail_steps; i; i--)
|
|
{
|
|
// [XA] inner trail uses a different default duration (33).
|
|
int innerduration = (duration == 0) ? 33 : duration;
|
|
particle_t *p = JitterParticle (source->Level, innerduration, (float)drift);
|
|
|
|
if (!p)
|
|
return;
|
|
|
|
if (maxdiff > 0)
|
|
{
|
|
int rnd = M_Random ();
|
|
if (rnd & 1)
|
|
diff.X = clamp<double>(diff.X + ((rnd & 8) ? 1 : -1), -maxdiff, maxdiff);
|
|
if (rnd & 2)
|
|
diff.Y = clamp<double>(diff.Y + ((rnd & 16) ? 1 : -1), -maxdiff, maxdiff);
|
|
if (rnd & 4)
|
|
diff.Z = clamp<double>(diff.Z + ((rnd & 32) ? 1 : -1), -maxdiff, maxdiff);
|
|
}
|
|
|
|
DVector3 postmp = pos + diff;
|
|
|
|
p->size = 2;
|
|
p->Pos = postmp;
|
|
if (color1 != -1)
|
|
p->Acc.Z -= 1./4096;
|
|
pos += trail[segment].dir * stepsize;
|
|
lencount -= stepsize;
|
|
p->bright = fullbright;
|
|
|
|
if (color2 == -1)
|
|
{
|
|
int rand = M_Random();
|
|
|
|
if (rand < 85)
|
|
p->color = grey4;
|
|
else if (rand < 170)
|
|
p->color = grey2;
|
|
else
|
|
p->color = grey1;
|
|
}
|
|
else
|
|
{
|
|
p->color = color2;
|
|
}
|
|
if (lencount <= 0)
|
|
{
|
|
segment++;
|
|
if (segment < trail.Size())
|
|
{
|
|
pos = trail[segment].start - trail[segment].dir * lencount;
|
|
lencount += trail[segment].length;
|
|
}
|
|
else
|
|
{
|
|
// should never happen but if something goes wrong, just terminate the loop.
|
|
break;
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
// create actors
|
|
if (spawnclass != NULL)
|
|
{
|
|
if (sparsity < 1)
|
|
sparsity = 32;
|
|
|
|
double stepsize = sparsity;
|
|
int trail_steps = (int)((steps * 3) / sparsity);
|
|
DVector3 diff(0, 0, 0);
|
|
|
|
pos = trail[0].start;
|
|
lencount = trail[0].length;
|
|
segment = 0;
|
|
|
|
for (i = trail_steps; i; i--)
|
|
{
|
|
if (maxdiff > 0)
|
|
{
|
|
int rnd = pr_railtrail();
|
|
if (rnd & 1)
|
|
diff.X = clamp<double>(diff.X + ((rnd & 8) ? 1 : -1), -maxdiff, maxdiff);
|
|
if (rnd & 2)
|
|
diff.Y = clamp<double>(diff.Y + ((rnd & 16) ? 1 : -1), -maxdiff, maxdiff);
|
|
if (rnd & 4)
|
|
diff.Z = clamp<double>(diff.Z + ((rnd & 32) ? 1 : -1), -maxdiff, maxdiff);
|
|
}
|
|
AActor *thing = Spawn (source->Level, spawnclass, pos + diff, ALLOW_REPLACE);
|
|
if (thing)
|
|
{
|
|
if (source) thing->target = source;
|
|
thing->Angles.Pitch = pitch;
|
|
thing->Angles.Yaw = angle;
|
|
}
|
|
pos += trail[segment].dir * stepsize;
|
|
lencount -= stepsize;
|
|
if (lencount <= 0)
|
|
{
|
|
segment++;
|
|
if (segment < trail.Size())
|
|
{
|
|
pos = trail[segment].start - trail[segment].dir * lencount;
|
|
lencount += trail[segment].length;
|
|
}
|
|
else
|
|
{
|
|
// should never happen but if something goes wrong, just terminate the loop.
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void P_DisconnectEffect (AActor *actor)
|
|
{
|
|
int i;
|
|
|
|
if (actor == NULL)
|
|
return;
|
|
|
|
for (i = 64; i; i--)
|
|
{
|
|
particle_t *p = JitterParticle (actor->Level, TICRATE*2);
|
|
|
|
if (!p)
|
|
break;
|
|
|
|
double xo = (M_Random() - 128)*actor->radius / 128;
|
|
double yo = (M_Random() - 128)*actor->radius / 128;
|
|
double zo = M_Random()*actor->Height / 256;
|
|
|
|
DVector3 pos = actor->Vec3Offset(xo, yo, zo);
|
|
p->Pos = pos;
|
|
p->Acc.Z -= 1./4096;
|
|
p->color = M_Random() < 128 ? maroon1 : maroon2;
|
|
p->size = 4;
|
|
}
|
|
}
|