mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2025-01-18 06:51:47 +00:00
Rearrange "rocket" trail code. Some small optimizations, mostly a cleanup, will make tweaking individual effects separately easier.
This commit is contained in:
Ragnvald Maartmann-Moe IV
parent
be7307faa9
commit
4c7e60e73a
1 changed files with 217 additions and 124 deletions
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@ -424,151 +424,244 @@ R_TeleportSplash (vec3_t org)
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}
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void
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R_RocketTrail (int type, entity_t *ent)
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R_RocketParticles (entity_t *ent)
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{
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byte palpha, pcolor;
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float dist, len, pdie, pscale, pscalenext;
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int ptex, j;
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ptype_t ptype;
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vec3_t porg, pvel, subtract, vec;
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float dist, len, pscale, pscalenext;
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vec3_t subtract, vec;
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if (type == 0)
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R_AddFire (ent->old_origin, ent->origin, ent);
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if (!r_particles->int_val)
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return;
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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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pdie = r_realtime + 2;
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ptex = part_tex_dot;
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ptype = pt_static;
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palpha = 255;
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pcolor = 0;
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pscale = pscalenext = 4.5;
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dist = 3;
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/*
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This switch isn't just to avoid unnecessary variable unassignments, the main
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use is to set the first pscale, since you need both it and the next to
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calculate the distance to the 2nd particle -- Despair
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*/
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switch (type) {
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case 0: // rocket trail
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pscale = 1.5 + qfrandom (1.5);
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ptype = pt_smoke;
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break;
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case 1: // grenade trail
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pscale = 6.0 + qfrandom (7.0);
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ptype = pt_smoke;
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break;
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case 2: // blood
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pscale = 5.0 + qfrandom (10.0);
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ptype = pt_grav;
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break;
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case 4: // slight blood
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palpha = 192;
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pdie = r_realtime + 1.5;
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pscale = 1.5 + qfrandom (7.5);
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ptype = pt_grav;
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break;
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case 3: // green tracer
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pdie = r_realtime + 0.5;
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ptype = pt_fire;
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break;
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case 5: // flame tracer
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pdie = r_realtime + 0.5;
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ptype = pt_fire;
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break;
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case 6: // voor trail
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pdie = r_realtime + 0.3;
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ptex = part_tex_dot;
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ptype = pt_static;
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break;
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pscale = 1.5 + qfrandom (1.5);
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while (len > 0) {
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pscalenext = 1.5 + qfrandom (1.5);
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dist = (pscale + pscalenext) * 1.3;
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VectorScale (vec, min(dist, len), subtract);
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VectorAdd (ent->old_origin, subtract, ent->old_origin);
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len -= dist;
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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[rand () & 7], ent->old_origin,
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pscale, vec3_origin, r_realtime + 2.0,
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12 + (rand () & 3), 128 + (rand () & 31));
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pscale = pscalenext;
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}
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}
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void
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R_GrenadeParticles (entity_t *ent)
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{
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float dist, len, pscale, pscalenext;
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vec3_t subtract, vec;
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VectorSubtract (ent->origin, ent->old_origin, vec);
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len = VectorNormalize (vec);
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pscale = 6.0 + qfrandom (7.0);
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while (len > 0) {
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pscalenext = 6.0 + qfrandom (7.0);
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dist = (pscale + pscalenext) * 2.0;
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VectorScale (vec, min(dist, len), subtract);
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VectorAdd (ent->old_origin, subtract, ent->old_origin);
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len -= dist;
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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[rand () & 7], ent->old_origin,
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pscale, vec3_origin, r_realtime + 2.0, (rand () & 3),
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128 + (rand () & 31));
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pscale = pscalenext;
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}
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}
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void
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R_BloodParticles (entity_t *ent)
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{
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float dist, len, pscale, pscalenext;
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int j;
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vec3_t subtract, vec, porg, pvel;
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VectorSubtract (ent->origin, ent->old_origin, vec);
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len = VectorNormalize (vec);
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pscale = 5.0 + qfrandom (10.0);
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while (len > 0) {
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VectorCopy (vec3_origin, pvel);
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VectorCopy (ent->old_origin, porg);
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switch (type) {
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case 0: // rocket trail
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pscalenext = 1.5 + qfrandom (1.5);
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dist = (pscale + pscalenext) * 1.3;
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// pcolor = (rand () & 255); // Misty-chan's Easter Egg
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pcolor = (rand () & 3) + 12;
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palpha = 128 + (rand () & 31);
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VectorCopy (ent->old_origin, porg);
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ptex = part_tex_smoke[rand () & 7];
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break;
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case 1: // grenade trail
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pscalenext = 6.0 + qfrandom (7.0);
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dist = (pscale + pscalenext) * 2;
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// pcolor = (rand () & 255); // Misty-chan's Easter Egg
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pcolor = (rand () & 3);
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palpha = 128 + (rand () & 31);
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VectorCopy (ent->old_origin, porg);
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ptex = part_tex_smoke[rand () & 7];
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break;
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case 2: // blood
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pscalenext = 5.0 + qfrandom (10.0);
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dist = (pscale + pscalenext) * 1.5;
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ptex = part_tex_smoke[rand () & 7];
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pcolor = 68 + (rand () & 3);
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for (j = 0; j < 3; j++) {
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pvel[j] = (qfrandom (6) - 3) * type;
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porg[j] = ent->old_origin[j] + qfrandom (3.0) - 1.5;
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}
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break;
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case 4: // slight blood
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pscalenext = 1.5 + qfrandom (7.5);
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dist = (pscale + pscalenext) * 1.5;
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ptex = part_tex_smoke[rand () & 7];
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pcolor = 68 + (rand () & 3);
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for (j = 0; j < 3; j++) {
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pvel[j] = (qfrandom (6) - 3) * type;
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porg[j] = ent->old_origin[j] + qfrandom (3.0) - 1.5;
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}
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break;
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case 3: // green tracer
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case 5: // flame tracer
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{
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static int tracercount;
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pscalenext = 5.0 + qfrandom (10.0);
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dist = (pscale + pscalenext) * 1.5;
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ptex = part_tex_smoke[rand () & 7];
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pscale = 2.0 + qfrandom (1.0);
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if (type == 3)
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pcolor = 52 + ((tracercount & 4) << 1);
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else
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pcolor = 234;
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tracercount++;
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VectorCopy (ent->old_origin, porg);
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if (tracercount & 1) {
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pvel[0] = 30 * vec[1];
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pvel[1] = 30 * -vec[0];
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} else {
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pvel[0] = 30 * -vec[1];
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pvel[1] = 30 * vec[0];
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}
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}
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break;
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case 6: // voor trail
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pcolor = 9 * 16 + 8 + (rand () & 3);
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pscale = 1.0 + qfrandom (1.0);
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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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break;
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for (j = 0; j < 3; j++) {
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pvel[j] = (qfrandom (6.0) - 3.0) * 4.0;
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porg[j] = ent->old_origin[j] + qfrandom (3.0) - 1.5;
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}
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VectorScale (vec, min(dist, len), subtract);
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VectorAdd (ent->old_origin, subtract, ent->old_origin);
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len -= dist;
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particle_new (ptype, ptex, porg, pscale, pvel, pdie, pcolor, palpha);
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particle_new (pt_grav, part_tex_smoke[rand () & 7], porg, pscale, pvel,
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r_realtime + 2.0, 68 + (rand () & 3), 255);
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pscale = pscalenext;
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}
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}
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void
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R_SlightBloodParticles (entity_t *ent)
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{
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float dist, len, pscale, pscalenext;
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int j;
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vec3_t subtract, vec, porg, pvel;
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VectorSubtract (ent->origin, ent->old_origin, vec);
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len = VectorNormalize (vec);
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pscale = 1.5 + qfrandom (7.5);
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while (len > 0) {
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VectorCopy (vec3_origin, pvel);
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VectorCopy (ent->old_origin, porg);
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pscalenext = 1.5 + qfrandom (7.5);
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dist = (pscale + pscalenext) * 1.5;
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for (j = 0; j < 3; j++) {
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pvel[j] = (qfrandom (6.0) - 3.0) * 2.0;
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porg[j] = ent->old_origin[j] + qfrandom (3.0) - 1.5;
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}
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VectorScale (vec, min(dist, len), subtract);
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VectorAdd (ent->old_origin, subtract, ent->old_origin);
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len -= dist;
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particle_new (pt_grav, part_tex_smoke[rand () & 7], porg, pscale, pvel,
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r_realtime + 1.5, 68 + (rand () & 3), 192);
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pscale = pscalenext;
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}
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}
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void
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R_GreenParticles (entity_t *ent)
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{
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float dist, len;
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static int tracercount;
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vec3_t subtract, vec, pvel;
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VectorSubtract (ent->origin, ent->old_origin, vec);
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len = VectorNormalize (vec);
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dist = 3.0;
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while (len > 0) {
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VectorCopy (vec3_origin, pvel);
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tracercount++;
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if (tracercount & 1) {
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pvel[0] = 30 * vec[1];
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pvel[1] = 30 * -vec[0];
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} else {
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pvel[0] = 30 * -vec[1];
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pvel[1] = 30 * vec[0];
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}
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VectorScale (vec, min(dist, len), subtract);
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VectorAdd (ent->old_origin, subtract, ent->old_origin);
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len -= dist;
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particle_new (pt_fire, part_tex_smoke[rand () & 7], ent->old_origin,
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2.0 + qfrandom (1.0), pvel, r_realtime + 0.5,
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52 + (rand () & 4), 255);
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}
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}
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void
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R_FlameParticles (entity_t *ent)
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{
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float dist, len;
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static int tracercount;
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vec3_t subtract, vec, pvel;
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VectorSubtract (ent->origin, ent->old_origin, vec);
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len = VectorNormalize (vec);
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dist = 3.0;
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while (len > 0) {
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VectorCopy (vec3_origin, pvel);
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tracercount++;
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if (tracercount & 1) {
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pvel[0] = 30 * vec[1];
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pvel[1] = 30 * -vec[0];
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} else {
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pvel[0] = 30 * -vec[1];
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pvel[1] = 30 * vec[0];
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}
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VectorScale (vec, min(dist, len), subtract);
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VectorAdd (ent->old_origin, subtract, ent->old_origin);
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len -= dist;
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particle_new (pt_fire, part_tex_smoke[rand () & 7], ent->old_origin,
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2.0 + qfrandom (1.0), pvel, r_realtime + 0.5, 234, 255);
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}
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}
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void
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R_VoorParticles (entity_t *ent)
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{
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float dist, len;
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int j;
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vec3_t subtract, vec, porg;
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VectorSubtract (ent->origin, ent->old_origin, vec);
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len = VectorNormalize (vec);
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dist = 3.0;
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while (len > 0) {
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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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VectorScale (vec, min(dist, len), subtract);
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VectorAdd (ent->old_origin, subtract, ent->old_origin);
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len -= dist;
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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,
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9 * 16 + 8 + (rand () & 3), 255);
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}
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}
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void
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R_RocketTrail (int type, entity_t *ent)
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{
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if (!r_particles->int_val)
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return;
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switch (type) {
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case 0: // rocket trail
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R_RocketParticles (ent);
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break;
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case 1: // grenade trail
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R_GrenadeParticles (ent);
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break;
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case 2: // blood
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R_BloodParticles (ent);
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break;
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case 4: // slight blood
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R_SlightBloodParticles (ent);
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break;
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case 3: // green tracer
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R_GreenParticles (ent);
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break;
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case 5: // flame tracer
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R_FlameParticles (ent);
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break;
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case 6: // voor trail
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R_VoorParticles (ent);
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break;
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}
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}
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void
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R_DrawParticles (void)
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{
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