From fc20b7cb9599de9f7b7b3b4890fd1988edcad8f8 Mon Sep 17 00:00:00 2001 From: TimeServ Date: Thu, 21 Oct 2004 01:01:10 +0000 Subject: [PATCH] "die 0" case for particles/beams fix git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@361 fc73d0e0-1445-4013-8a0c-d673dee63da5 --- engine/client/cl_tent.c | 4 +- engine/client/r_part.c | 93 +++++++++++++++++++++++++++++++++++------ engine/client/render.h | 2 +- 3 files changed, 82 insertions(+), 17 deletions(-) diff --git a/engine/client/cl_tent.c b/engine/client/cl_tent.c index ffe82c353..966b62dd5 100644 --- a/engine/client/cl_tent.c +++ b/engine/client/cl_tent.c @@ -1743,10 +1743,8 @@ void CL_UpdateBeams (void) } */ // if (part_type[rt_lightning1].loaded) - { - R_RocketTrail(b->start, b->end, rt_lightning1, NULL); + if (!R_RocketTrail(b->start, b->end, rt_lightning1, NULL)) continue; - } // add new entities for the lightning VectorCopy (b->start, org); diff --git a/engine/client/r_part.c b/engine/client/r_part.c index 904cd653f..9c36143f2 100644 --- a/engine/client/r_part.c +++ b/engine/client/r_part.c @@ -1513,7 +1513,10 @@ int R_RunParticleEffectType (vec3_t org, vec3_t dir, float count, int typenum) p->die = ptype->randdie*frandom(); p->scale = ptype->scale+ptype->randscale*frandom(); - p->alpha = ptype->alpha-p->die*(ptype->alpha/ptype->die)*ptype->alphachange; + if (ptype->die) + p->alpha = ptype->alpha-p->die*(ptype->alpha/ptype->die)*ptype->alphachange; + else + p->alpha = ptype->alpha; p->color = 0; p->nextemit = particletime + ptype->emitstart - p->die; @@ -1587,7 +1590,10 @@ int R_RunParticleEffectType (vec3_t org, vec3_t dir, float count, int typenum) p->die = ptype->randdie*frandom(); p->scale = ptype->scale+ptype->randscale*frandom(); - p->alpha = ptype->alpha-p->die*(ptype->alpha/ptype->die)*ptype->alphachange; + if (ptype->die) + p->alpha = ptype->alpha-p->die*(ptype->alpha/ptype->die)*ptype->alphachange; + else + p->alpha = ptype->alpha; p->color = 0; p->nextemit = particletime + ptype->emitstart - p->die; @@ -1680,7 +1686,10 @@ int R_RunParticleEffectType (vec3_t org, vec3_t dir, float count, int typenum) p->die = ptype->randdie*frandom(); p->scale = ptype->scale+ptype->randscale*frandom(); - p->alpha = ptype->alpha-p->die*(ptype->alpha/ptype->die)*ptype->alphachange; + if (ptype->die) + p->alpha = ptype->alpha-p->die*(ptype->alpha/ptype->die)*ptype->alphachange; + else + p->alpha = ptype->alpha; p->color = 0; p->nextemit = particletime + ptype->emitstart - p->die; @@ -1772,7 +1781,10 @@ int R_RunParticleEffectType (vec3_t org, vec3_t dir, float count, int typenum) p->die = ptype->randdie*frandom(); p->scale = ptype->scale+ptype->randscale*frandom(); - p->alpha = ptype->alpha-p->die*(ptype->alpha/ptype->die)*ptype->alphachange; + if (ptype->die) + p->alpha = ptype->alpha-p->die*(ptype->alpha/ptype->die)*ptype->alphachange; + else + p->alpha = ptype->alpha; p->color = 0; p->nextemit = particletime + ptype->emitstart - p->die; @@ -2043,12 +2055,10 @@ void MakeNormalVectors (vec3_t forward, vec3_t right, vec3_t up) void CLQ2_RailTrail (vec3_t start, vec3_t end) { - trailstate_t ts; - memset(&ts, 0, sizeof(ts)); - R_RocketTrail(start, end, rt_railtrail, &ts); + R_RocketTrail(start, end, rt_railtrail, NULL); } -void R_RocketTrail (vec3_t start, vec3_t end, int type, trailstate_t *ts) +int R_RocketTrail (vec3_t start, vec3_t end, int type, trailstate_t *ts) { vec3_t vec, right, up; float len; @@ -2064,7 +2074,7 @@ void R_RocketTrail (vec3_t start, vec3_t end, int type, trailstate_t *ts) float stop; if (!ptype->loaded) - return; + return 1; if (ptype->assoc>=0) { @@ -2077,7 +2087,10 @@ void R_RocketTrail (vec3_t start, vec3_t end, int type, trailstate_t *ts) } else R_RocketTrail(vec, end, ptype->assoc, NULL); - } + } + else if (!ptype->die) + ts = NULL; + step = 1/ptype->count; if (step < 0.01) @@ -2113,7 +2126,6 @@ void R_RocketTrail (vec3_t start, vec3_t end, int type, trailstate_t *ts) // len = (len - (int)len)*step; // VectorMA (start, -len, vec, start); - b = bfirst = NULL; while (len < stop) @@ -2157,7 +2169,10 @@ void R_RocketTrail (vec3_t start, vec3_t end, int type, trailstate_t *ts) p->die = ptype->randdie*frandom(); p->scale = ptype->scale+ptype->randscale*frandom(); - p->alpha = ptype->alpha-p->die*(ptype->alpha/ptype->die)*ptype->alphachange; + if (ptype->die) + p->alpha = ptype->alpha-p->die*(ptype->alpha/ptype->die)*ptype->alphachange; + else + p->alpha = ptype->alpha; p->color = 0; if (ptype->spawnmode == SM_TRACER) @@ -2313,7 +2328,8 @@ void R_RocketTrail (vec3_t start, vec3_t end, int type, trailstate_t *ts) } } - return; //distance the trail actually moved. + + return 0; } void R_TorchEffect (vec3_t pos, int type) @@ -2884,6 +2900,57 @@ void DrawParticleTypes (void texturedparticles(particle_t *,part_type_t*), void if (!kill_first) // branch here is probably faster than list traversal later kill_first = p; } + + if (type->beams) + { + b = type->beams; + } + + while ((b=type->beams) && (b->flags & BS_DEAD)) + { + type->beams = b->next; + b->next = free_beams; + free_beams = b; + } + + while (b) + { + if (!(b->flags & BS_NODRAW)) + { + // no BS_NODRAW implies b->next != NULL + // BS_NODRAW should imply b->next == NULL or b->next->flags & BS_DEAD + VectorCopy(b->next->p->org, stop); + VectorCopy(b->p->org, oldorg); + VectorSubtract(stop, oldorg, b->next->dir); + VectorNormalize(b->next->dir); + VectorAdd(stop, oldorg, stop); + VectorScale(stop, 0.5, stop); + + if (*type->texname) + RQ_AddDistReorder((void*)beamparticlest, b, type, stop); + else + RQ_AddDistReorder((void*)beamparticlesut, b, type, stop); + + } + + // clean up dead entries ahead of current + for ( ;; ) + { + bkill = b->next; + if (bkill && (bkill->flags & BS_DEAD)) + { + b->next = bkill->next; + bkill->next = free_beams; + free_beams = bkill; + continue; + } + break; + } + + b->flags |= BS_DEAD; + b = b->next; + } + continue; } diff --git a/engine/client/render.h b/engine/client/render.h index 3533bd9ef..7b60cac85 100644 --- a/engine/client/render.h +++ b/engine/client/render.h @@ -196,7 +196,7 @@ typedef struct { float lastdist; struct beamseg_s *lastbeam; // last beam point } trailstate_t; -void R_RocketTrail (vec3_t start, vec3_t end, int type, trailstate_t *oldpoint); +int R_RocketTrail (vec3_t start, vec3_t end, int type, trailstate_t *oldpoint); int R_RunParticleEffectType(vec3_t org, vec3_t dir, float count, int type); void R_RunParticleEffect2 (vec3_t org, vec3_t dmin, vec3_t dmax, int color, int effect, int count); void R_RunParticleEffect3 (vec3_t org, vec3_t box, int color, int effect, int count);