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Optimize and slightly clean up R_DarkFieldParticles & R_EntityParticles.

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This commit is contained in:
Ragnvald Maartmann-Moe IV 2003-10-22 01:04:35 +00:00
parent f4c174184d
commit 0205a8a999
1 changed files with 21 additions and 21 deletions
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42
libs/video/renderer/r_part.c
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@ -1,4 +1,3 @@
/* /*
r_part.c r_part.c
@ -117,16 +116,17 @@ R_MaxParticlesCheck (cvar_t *r_particles, cvar_t *r_particles_max)
void void
R_DarkFieldParticles (entity_t *ent) R_DarkFieldParticles (entity_t *ent)
{ {
int i, j, k; int i, j, k;
float vel; unsigned int rnd;
particle_t *p; float vel;
vec3_t dir, org; particle_t *p;
vec3_t dir, org;
org[0] = ent->origin[0]; org[0] = ent->origin[0];
org[1] = ent->origin[1]; org[1] = ent->origin[1];
org[2] = ent->origin[2]; org[2] = ent->origin[2];
for (i = -16; i < 16; i += 8) for (i = -16; i < 16; i += 8) {
for (j = -16; j < 16; j += 8) for (j = -16; j < 16; j += 8) {
for (k = 0; k < 32; k += 8) { for (k = 0; k < 32; k += 8) {
if (!free_particles) if (!free_particles)
return; return;
@ -135,7 +135,9 @@ R_DarkFieldParticles (entity_t *ent)
p->next = active_particles; p->next = active_particles;
active_particles = p; active_particles = p;
p->die = r_realtime + 0.2 + (rand () & 7) * 0.02; rnd = rand ();
p->die = r_realtime + 0.2 + (rnd & 7) * 0.02;
p->color = 150 + rand () % 6; p->color = 150 + rand () % 6;
p->type = pt_slowgrav; p->type = pt_slowgrav;
@ -143,31 +145,29 @@ R_DarkFieldParticles (entity_t *ent)
dir[1] = i * 8; dir[1] = i * 8;
dir[2] = k * 8; dir[2] = k * 8;
p->org[0] = org[0] + i + (rand () & 3); p->org[0] = org[0] + i + ((rnd >> 3) & 3);
p->org[1] = org[1] + j + (rand () & 3); p->org[1] = org[1] + j + ((rnd >> 5) & 3);
p->org[2] = org[2] + k + (rand () & 3); p->org[2] = org[2] + k + ((rnd >> 7) & 3);
VectorNormalize (dir); VectorNormalize (dir);
vel = 50 + (rand () & 63); vel = 50 + ((rnd >> 9) & 63);
VectorScale (dir, vel, p->vel); VectorScale (dir, vel, p->vel);
} }
}
}
} }
static float beamlength = 16;
static vec3_t avelocities[NUMVERTEXNORMALS]; static vec3_t avelocities[NUMVERTEXNORMALS];
void void
R_EntityParticles (entity_t *ent) R_EntityParticles (entity_t *ent)
{ {
int count, i; int i;
float angle, dist, sp, sy, cp, cy; // cr, sr float angle, sp, sy, cp, cy; // cr, sr
float beamlength = 16.0, dist = 64.0;
particle_t *p; particle_t *p;
vec3_t forward; vec3_t forward;
dist = 64;
count = 50;
if (!avelocities[0][0]) { if (!avelocities[0][0]) {
for (i = 0; i < NUMVERTEXNORMALS * 3; i++) for (i = 0; i < NUMVERTEXNORMALS * 3; i++)
avelocities[0][i] = (rand () & 255) * 0.01; avelocities[0][i] = (rand () & 255) * 0.01;
@ -175,11 +175,11 @@ R_EntityParticles (entity_t *ent)
for (i = 0; i < NUMVERTEXNORMALS; i++) { for (i = 0; i < NUMVERTEXNORMALS; i++) {
angle = r_realtime * avelocities[i][0]; angle = r_realtime * avelocities[i][0];
sy = sin (angle);
cy = cos (angle); cy = cos (angle);
sy = sin (angle);
angle = r_realtime * avelocities[i][1]; angle = r_realtime * avelocities[i][1];
sp = sin (angle);
cp = cos (angle); cp = cos (angle);
sp = sin (angle);
// Next 3 lines results aren't currently used, may be in future. --Despair // Next 3 lines results aren't currently used, may be in future. --Despair
// angle = r_realtime * avelocities[i][2]; // angle = r_realtime * avelocities[i][2];
// sr = sin (angle); // sr = sin (angle);