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fix fallback particles not rendering properly with high fps

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git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@6032 fc73d0e0-1445-4013-8a0c-d673dee63da5
This commit is contained in:
TimeServ 2021-08-21 21:33:09 +00:00
parent ee1a93d01b
commit d63a4cea1f
2 changed files with 62 additions and 80 deletions
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125
engine/client/p_script.c
View file

@ -4173,6 +4173,35 @@ static trailstate_t *P_NewTrailstate(trailstate_t **key)
return ts;
}
static trailstate_t* P_FetchTrailstate(trailstate_t** tsk)
{
trailstate_t* ts;
// trailstate allocation/deallocation
if (tsk)
{
if (*tsk == NULL)
{
ts = P_NewTrailstate(tsk);
*tsk = ts;
}
else
{
ts = *tsk;
if (ts->key != tsk) // trailstate was overwritten
{
ts = P_NewTrailstate(tsk); // so get a new one
*tsk = ts;
}
}
}
else
ts = NULL;
return ts;
}
#define NUMVERTEXNORMALS 162
static float r_avertexnormals[NUMVERTEXNORMALS][3] = {
#include "anorms.h"
@ -4665,28 +4694,7 @@ static int PScript_RunParticleEffectState (vec3_t org, vec3_t dir, float count,
if (ptype->flags & PT_NOSTATE)
tsk = NULL;
// trailstate allocation/deallocation
if (tsk)
{
// if *tsk = NULL get a new one
if (*tsk == NULL)
{
ts = P_NewTrailstate(tsk);
*tsk = ts;
}
else
{
ts = *tsk;
if (ts->key != tsk) // trailstate was overwritten
{
ts = P_NewTrailstate(tsk); // so get a new one
*tsk = ts;
}
}
}
else
ts = NULL;
ts = P_FetchTrailstate(tsk);
// get msvc to shut up
j = k = l = 0;
@ -4830,7 +4838,7 @@ static int PScript_RunParticleEffectState (vec3_t org, vec3_t dir, float count,
if (ptype->flags & PT_INVFRAMETIME)
pcount /= host_frametime;
if (ts)
pcount += ts->state2.emittime;
pcount += ts->effect.emittime;
pcount *= r_part_density.value;
@ -4889,10 +4897,10 @@ static int PScript_RunParticleEffectState (vec3_t org, vec3_t dir, float count,
// time limit (for completeness)
if (ptype->spawntime && ts)
{
if (ts->state1.statetime > particletime)
if (ts->effect.statetime > particletime)
return 0; // timelimit still in effect
ts->state1.statetime = particletime + ptype->spawntime; // record old time
ts->effect.statetime = particletime + ptype->spawntime; // record old time
}
// random chance for point effects
@ -5233,7 +5241,7 @@ static int PScript_RunParticleEffectState (vec3_t org, vec3_t dir, float count,
// save off emit times in trailstate
if (ts)
ts->state2.emittime = pcount - i;
ts->effect.emittime = pcount - i;
// maintain run list
if (!(ptype->state & PS_INRUNLIST) && (ptype->particles || ptype->clippeddecals))
@ -5256,22 +5264,7 @@ skip:
if (ts)
{
tsk = &(ts->assoc);
// if *tsk = NULL get a new one
if (*tsk == NULL)
{
ts = P_NewTrailstate(tsk);
*tsk = ts;
}
else
{
ts = *tsk;
if (ts->key != tsk) // trailstate was overwritten
{
ts = P_NewTrailstate(tsk); // so get a new one
*tsk = ts;
}
}
ts = P_FetchTrailstate(tsk);
}
ptype = &part_type[ptype->assoc];
@ -5557,7 +5550,7 @@ static void PScript_RunParticleEffectPalette (const char *nameprefix, vec3_t org
}
}
static void P_ParticleTrailSpawn (vec3_t startpos, vec3_t end, part_type_t *ptype, float timeinterval, trailstate_t **tsk, int dlkey, vec3_t dlaxis[3])
static void P_ParticleTrailSpawn (vec3_t startpos, vec3_t end, part_type_t *ptype, float timeinterval, trailstate_t** tsk, int dlkey, vec3_t dlaxis[3])
{
vec3_t vec, vstep, right, up, start;
float len;
@ -5581,28 +5574,7 @@ static void P_ParticleTrailSpawn (vec3_t startpos, vec3_t end, part_type_t *ptyp
if (ptype->flags & PT_NOSTATE)
tsk = NULL;
// trailstate allocation/deallocation
if (tsk)
{
// if *tsk = NULL get a new one
if (*tsk == NULL)
{
ts = P_NewTrailstate(tsk);
*tsk = ts;
}
else
{
ts = *tsk;
if (ts->key != tsk) // trailstate was overwritten
{
ts = P_NewTrailstate(tsk); // so get a new one
*tsk = ts;
}
}
}
else
ts = NULL;
ts = P_FetchTrailstate(tsk);
PScript_EffectSpawned(ptype, start, dlaxis, dlkey, 1);
@ -5628,10 +5600,10 @@ static void P_ParticleTrailSpawn (vec3_t startpos, vec3_t end, part_type_t *ptyp
// time limit for trails
if (ptype->spawntime && ts)
{
if (ts->state1.statetime > particletime)
if (ts->effect.statetime > particletime)
return; // timelimit still in effect
ts->state1.statetime = particletime + ptype->spawntime; // record old time
ts->effect.statetime = particletime + ptype->spawntime; // record old time
ts = NULL; // clear trailstate so we don't save length/lastseg
}
@ -5674,8 +5646,8 @@ static void P_ParticleTrailSpawn (vec3_t startpos, vec3_t end, part_type_t *ptyp
// store last stop here for lack of a better solution besides vectors
if (ts)
{
ts->state2.laststop = stop = ts->state2.laststop + len; //when to stop
len = ts->state1.lastdist;
ts->trail.laststop = stop = ts->trail.laststop + len; //when to stop
len = ts->trail.lastdist;
}
else
{
@ -6016,7 +5988,7 @@ static void P_ParticleTrailSpawn (vec3_t startpos, vec3_t end, part_type_t *ptyp
if (ts)
{
ts->state1.lastdist = len;
ts->trail.lastdist = len;
// update beamseg list
if (ptype->looks.type == PT_BEAM||ptype->looks.type == PT_VBEAM)
@ -6083,10 +6055,17 @@ static int PScript_ParticleTrail (vec3_t startpos, vec3_t end, int type, float t
{
part_type_t *ptype = &part_type[type];
// TODO: fallback particle system won't have a decent trailstate which will mess up
// high fps trails
if (type >= FALLBACKBIAS && fallback)
return fallback->ParticleTrail(startpos, end, type-FALLBACKBIAS, timeinterval, dlkey, axis, NULL);
{
// this will cause problems if dealing with fallbacks that actually
// allocate their own trail state, but for now this should suffice
//
// also reusing fallback space for emit/trail info will cause some
// issues with entities in action during particle reconfiguration
// but that shouldn't be happening too often
trailstate_t* ts = P_FetchTrailstate(tsk);
return fallback->ParticleTrail(startpos, end, type - FALLBACKBIAS, timeinterval, dlkey, axis, &(ts->fallback));
}
if (type < 0 || type >= numparticletypes)
return 1; //bad value

17
engine/common/particles.h
View file

@ -173,13 +173,16 @@ typedef struct trailstate_s {
struct trailstate_s *assoc; // assoc linked trail
struct beamseg_s *lastbeam; // last beam pointer (flagged with BS_LASTSEG)
union {
float lastdist; // last distance used with particle effect
float statetime; // time to emit effect again (used by spawntime field)
} state1;
union {
float laststop; // last stopping point for particle effect
float emittime; // used by r_effect emitters
} state2;
struct {
float lastdist; // last distance used with particle effect
float laststop; // last stopping point for particle effect
} trail;
struct {
float statetime; // time to emit effect again (used by spawntime field)
float emittime; // used by r_effect emitters
} effect;
struct trailstate_s* fallback;
};
} trailstate_t;
#define PARTICLE_Z_CLIP 8.0