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https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-27 06:34:11 +00:00
Bug fix (we weren't removing particles from the list until the frame after they died, which caused particle slots to be wasted).
Fix for a bug in particle trail pre-aging (sometimes created some 0 age particles). And a couple small optimizations.
This commit is contained in:
Ragnvald Maartmann-Moe IV
parent
db929ff2ef
commit
3d572df460
1 changed files with 82 additions and 80 deletions
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@ -405,7 +405,8 @@ R_TeleportSplash (vec3_t org)
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void
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R_RocketTrail (entity_t *ent)
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{
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float dist, len, origlen, percent, pscale, pscalenext;
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float dist, maxlen, origlen, percent, pscale, pscalenext;
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float len = 0;
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vec3_t subtract, vec;
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if (numparticles >= r_maxparticles)
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@ -414,15 +415,12 @@ R_RocketTrail (entity_t *ent)
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R_AddFire (ent->old_origin, ent->origin, ent);
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VectorSubtract (ent->origin, ent->old_origin, vec);
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len = VectorNormalize (vec);
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origlen = r_frametime / len;
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maxlen = VectorNormalize (vec);
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origlen = r_frametime / maxlen;
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pscale = 1.5 + qfrandom (1.5);
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while (len > 0) {
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if (numparticles >= r_maxparticles)
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break;
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while (len < maxlen) {
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pscalenext = 1.5 + qfrandom (1.5);
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dist = (pscale + pscalenext) * 3.0;
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@ -432,10 +430,12 @@ R_RocketTrail (entity_t *ent)
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// Misty-chan's Easter Egg: change color to (rand () & 255)
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particle_new (pt_smoke, part_tex_smoke, ent->old_origin,
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pscale + percent * 4, vec3_origin,
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r_realtime +2.0 - percent, 12 + (rand () & 3),
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128 + (rand () & 31) - percent * 100);
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len -= dist;
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pscale + percent * 4.0, vec3_origin,
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r_realtime + 2.0 - percent * 2.0, 12 + (rand () & 3),
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128 + (rand () & 31) - percent * 100.0);
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if (numparticles >= r_maxparticles)
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break;
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len += dist;
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pscale = pscalenext;
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}
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}
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@ -443,21 +443,19 @@ R_RocketTrail (entity_t *ent)
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void
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R_GrenadeTrail (entity_t *ent)
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{
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float dist, len, origlen, percent, pscale, pscalenext;
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float dist, maxlen, origlen, percent, pscale, pscalenext;
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float len = 0;
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vec3_t subtract, vec;
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if (numparticles >= r_maxparticles)
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return;
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VectorSubtract (ent->origin, ent->old_origin, vec);
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len = VectorNormalize (vec);
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origlen = r_frametime / len;
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maxlen = VectorNormalize (vec);
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origlen = r_frametime / maxlen;
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pscale = 6.0 + qfrandom (7.0);
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while (len > 0) {
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if (numparticles >= r_maxparticles)
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break;
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while (len < maxlen) {
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pscalenext = 6.0 + qfrandom (7.0);
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dist = (pscale + pscalenext) * 2.0;
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@ -467,10 +465,12 @@ R_GrenadeTrail (entity_t *ent)
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// Misty-chan's Easter Egg: change color to (rand () & 255)
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particle_new (pt_smoke, part_tex_smoke, ent->old_origin,
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pscale + percent * 4, vec3_origin,
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r_realtime + 2.0 - percent, (rand () & 3),
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160 + (rand () & 31) - percent * 100);
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len -= dist;
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pscale + percent * 4.0, vec3_origin,
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r_realtime + 2.0 - percent * 2.0, (rand () & 3),
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160 + (rand () & 31) - percent * 100.0);
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if (numparticles >= r_maxparticles)
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break;
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len += dist;
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pscale = pscalenext;
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}
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}
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@ -478,7 +478,8 @@ R_GrenadeTrail (entity_t *ent)
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void
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R_BloodTrail (entity_t *ent)
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{
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float dist, len, origlen, percent, pscale, pscalenext;
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float dist, maxlen, origlen, percent, pscale, pscalenext;
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float len = 0;
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int j;
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vec3_t subtract, vec, porg, pvel;
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@ -486,14 +487,11 @@ R_BloodTrail (entity_t *ent)
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return;
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VectorSubtract (ent->origin, ent->old_origin, vec);
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len = VectorNormalize (vec);
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origlen = r_frametime / len;
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maxlen = VectorNormalize (vec);
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origlen = r_frametime / maxlen;
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pscale = 5.0 + qfrandom (10.0);
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while (len > 0) {
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if (numparticles >= r_maxparticles)
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break;
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while (len < maxlen) {
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VectorCopy (vec3_origin, pvel);
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VectorCopy (ent->old_origin, porg);
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@ -511,8 +509,11 @@ R_BloodTrail (entity_t *ent)
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pvel[2] -= percent * 40;
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particle_new (pt_grav, part_tex_smoke, porg, pscale, pvel,
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r_realtime + 2.0 - percent, 68 + (rand () & 3), 255);
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len -= dist;
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r_realtime + 2.0 - percent * 2.0, 68 + (rand () & 3),
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255);
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if (numparticles >= r_maxparticles)
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break;
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len += dist;
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pscale = pscalenext;
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}
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}
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@ -520,7 +521,8 @@ R_BloodTrail (entity_t *ent)
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void
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R_SlightBloodTrail (entity_t *ent)
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{
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float dist, len, origlen, percent, pscale, pscalenext;
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float dist, maxlen, origlen, percent, pscale, pscalenext;
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float len = 0;
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int j;
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vec3_t subtract, vec, porg, pvel;
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@ -528,14 +530,11 @@ R_SlightBloodTrail (entity_t *ent)
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return;
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VectorSubtract (ent->origin, ent->old_origin, vec);
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len = VectorNormalize (vec);
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origlen = r_frametime / len;
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maxlen = VectorNormalize (vec);
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origlen = r_frametime / maxlen;
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pscale = 1.5 + qfrandom (7.5);
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while (len > 0) {
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if (numparticles >= r_maxparticles)
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break;
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while (len < maxlen) {
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VectorCopy (vec3_origin, pvel);
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VectorCopy (ent->old_origin, porg);
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@ -553,8 +552,11 @@ R_SlightBloodTrail (entity_t *ent)
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pvel[2] -= percent * 40;
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particle_new (pt_grav, part_tex_smoke, porg, pscale, pvel,
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r_realtime + 1.5 - percent, 68 + (rand () & 3), 192);
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len -= dist;
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r_realtime + 1.5 - percent * 1.5, 68 + (rand () & 3),
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192);
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if (numparticles >= r_maxparticles)
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break;
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len += dist;
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pscale = pscalenext;
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}
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}
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@ -562,7 +564,8 @@ R_SlightBloodTrail (entity_t *ent)
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void
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R_GreenTrail (entity_t *ent)
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{
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float dist, len, origlen, percent;
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float dist, maxlen, origlen, percent;
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float len = 0;
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static int tracercount;
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vec3_t subtract, vec, pvel;
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@ -570,14 +573,11 @@ R_GreenTrail (entity_t *ent)
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return;
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VectorSubtract (ent->origin, ent->old_origin, vec);
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len = VectorNormalize (vec);
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origlen = r_frametime / len;
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maxlen = VectorNormalize (vec);
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origlen = r_frametime / maxlen;
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dist = 3.0;
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while (len > 0) {
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if (numparticles >= r_maxparticles)
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break;
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while (len < maxlen) {
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VectorCopy (vec3_origin, pvel);
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tracercount++;
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if (tracercount & 1) {
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@ -593,17 +593,20 @@ R_GreenTrail (entity_t *ent)
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percent = len * origlen;
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particle_new (pt_fire, part_tex_smoke, ent->old_origin,
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2.0 + qfrandom (1.0) - percent * 2, pvel,
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r_realtime + 0.5 - percent, 52 + (rand () & 4),
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255 - percent * 32);
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len -= dist;
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2.0 + qfrandom (1.0) - percent * 2.0, pvel,
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r_realtime + 0.5 - percent * 0.5, 52 + (rand () & 4),
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255 - percent * 32.0);
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if (numparticles >= r_maxparticles)
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break;
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len += dist;
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}
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}
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void
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R_FlameTrail (entity_t *ent)
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{
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float dist, len, origlen, percent;
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float dist, maxlen, origlen, percent;
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float len = 0;
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static int tracercount;
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vec3_t subtract, vec, pvel;
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@ -611,14 +614,11 @@ R_FlameTrail (entity_t *ent)
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return;
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VectorSubtract (ent->origin, ent->old_origin, vec);
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len = VectorNormalize (vec);
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origlen = r_frametime / len;
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maxlen = VectorNormalize (vec);
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origlen = r_frametime / maxlen;
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dist = 3.0;
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while (len > 0) {
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if (numparticles >= r_maxparticles)
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break;
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while (len < maxlen) {
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VectorCopy (vec3_origin, pvel);
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tracercount++;
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if (tracercount & 1) {
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@ -634,16 +634,20 @@ R_FlameTrail (entity_t *ent)
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percent = len * origlen;
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particle_new (pt_fire, part_tex_smoke, ent->old_origin,
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2.0 + qfrandom (1.0) - percent * 2, pvel,
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r_realtime + 0.5 - percent, 234, 255 - percent * 32);
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len -= dist;
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2.0 + qfrandom (1.0) - percent * 2.0, pvel,
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r_realtime + 0.5 - percent * 0.5, 234,
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255 - percent * 32.0);
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if (numparticles >= r_maxparticles)
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break;
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len += dist;
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}
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}
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void
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R_VoorTrail (entity_t *ent)
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{
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float dist, len, origlen, percent;
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float dist, maxlen, origlen, percent;
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float len = 0;
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int j;
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vec3_t subtract, vec, porg;
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@ -651,14 +655,11 @@ R_VoorTrail (entity_t *ent)
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return;
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VectorSubtract (ent->origin, ent->old_origin, vec);
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len = VectorNormalize (vec);
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origlen = r_frametime / len;
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maxlen = VectorNormalize (vec);
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origlen = r_frametime / maxlen;
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dist = 3.0;
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while (len > 0) {
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if (numparticles >= r_maxparticles)
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break;
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while (len < maxlen) {
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for (j = 0; j < 3; j++)
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porg[j] = ent->old_origin[j] + qfrandom (16.0) - 8.0;
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@ -667,9 +668,11 @@ R_VoorTrail (entity_t *ent)
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percent = len * origlen;
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particle_new (pt_static, part_tex_dot, porg, 1.0 + qfrandom (1.0),
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vec3_origin, r_realtime + 0.3 - percent,
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vec3_origin, r_realtime + 0.3 - percent * 0.3,
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9 * 16 + 8 + (rand () & 3), 255);
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len -= dist;
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if (numparticles >= r_maxparticles)
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break;
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len += dist;
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}
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}
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@ -720,16 +723,6 @@ R_DrawParticles (void)
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j = 0;
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for (k = 0, part = particles; k < numparticles; k++, part++) {
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// LordHavoc: this is probably no longer necessary, as it is
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// checked at the end, but could still happen on weird particle
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// effects, left for safety...
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if (part->die <= r_realtime) {
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freeparticles[j++] = part;
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continue;
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}
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maxparticle = k;
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activeparticles++;
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// Don't render particles too close to us.
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// Note, we must still do physics and such on them.
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if (!(DotProduct (part->org, vpn) < minparticledist)) {
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@ -815,6 +808,15 @@ R_DrawParticles (void)
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Con_DPrintf ("unhandled particle type %d\n", part->type);
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break;
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}
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// LordHavoc: immediate removal of unnecessary particles (must be done
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// to ensure compactor below operates properly in all cases)
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if (part->die < r_realtime)
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freeparticles[j++] = part;
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else
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{
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maxparticle = k;
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activeparticles++;
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}
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}
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k = 0;
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while (maxparticle >= activeparticles) {
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