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https://git.code.sf.net/p/quake/quakeforge
synced 2025-02-17 01:11:45 +00:00
Separate out particle physics from particle rendering.
This commit is contained in:
Ragnvald Maartmann-Moe IV
Jeff Teunissen
parent
cfd5be654b
commit
9390a195e1
1 changed files with 121 additions and 114 deletions
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@ -265,7 +265,7 @@ R_ParticleExplosion2_QF (const vec3_t org, int colorStart, int colorLength)
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for (i = 0; i < j; i++) {
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particle_new_random (pt_blob, part_tex_dot, org, 16, 2, 256,
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r_realtime + 0.3,
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colorStart + (i % colorLength), 1.0, 0.0);
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colorStart + (i % colorLength), 1.0, 0.0);
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}
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}
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@ -1444,27 +1444,12 @@ R_VoorTrail_ID (const entity_t *ent)
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}
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}
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void
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R_DrawParticles (void)
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static void
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R_ParticlePhysics (particle_t *part)
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{
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unsigned char *at;
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float grav, fast_grav, minparticledist, scale,
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float grav, fast_grav,
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time_125, time_25, time_40, time_55, time2, time4, time5,
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time10, time15, time30, time50;
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int activeparticles, maxparticle, j, vacount;
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unsigned int k;
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particle_t *part;
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vec3_t up_scale, right_scale, up_right_scale, down_right_scale;
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varray_t2f_c4ub_v3f_t *VA;
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if (!r_particles->int_val)
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return;
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qfglBindTexture (GL_TEXTURE_2D, part_tex);
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// LordHavoc: particles should not affect zbuffer
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qfglDepthMask (GL_FALSE);
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qfglInterleavedArrays (GL_T2F_C4UB_V3F, 0, particleVertexArray);
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grav = (fast_grav = r_frametime * r_gravity) * 0.05;
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time_125 = r_frametime * 0.125;
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time_25= r_frametime * 0.25;
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@ -1478,6 +1463,120 @@ R_DrawParticles (void)
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time30 = r_frametime * 30.0;
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time50 = r_frametime * 50.0;
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VectorMultAdd (part->org, r_frametime, part->vel, part->org);
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switch (part->type) {
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case pt_static:
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break;
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case pt_grav:
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part->vel[2] -= grav;
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break;
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case pt_fire:
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part->ramp += time5;
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if (part->ramp >= 6) {
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part->die = -1;
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break;
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}
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part->color = ramp3[(int) part->ramp];
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part->alpha = (6.0 - part->ramp) / 6.0;
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part->vel[2] += grav;
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break;
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case pt_explode:
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part->ramp += time10;
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if (part->ramp >= 8) {
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part->die = -1;
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break;
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}
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part->color = ramp1[(int) part->ramp];
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VectorMultAdd (part->vel, time4, part->vel, part->vel);
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part->vel[2] -= grav;
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break;
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case pt_explode2:
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part->ramp += time15;
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if (part->ramp >= 8) {
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part->die = -1;
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break;
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}
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part->color = ramp2[(int) part->ramp];
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VectorMultSub (part->vel, r_frametime, part->vel, part->vel);
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part->vel[2] -= grav;
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break;
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case pt_blob:
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VectorMultAdd (part->vel, time4, part->vel, part->vel);
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part->vel[2] -= grav;
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break;
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case pt_blob2:
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part->vel[0] -= part->vel[0] * time4;
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part->vel[1] -= part->vel[1] * time4;
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part->vel[2] -= grav;
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break;
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case pt_smoke:
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if ((part->alpha -= time_40) <= 0.0)
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part->die = -1;
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part->scale += time4;
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// part->org[2] += time30;
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break;
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case pt_smokecloud:
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if ((part->alpha -= time_55) <= 0.0) {
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part->die = -1;
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break;
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}
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part->scale += time50;
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part->org[2] += time30;
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break;
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case pt_bloodcloud:
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if ((part->alpha -= time_25) <= 0.0) {
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part->die = -1;
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break;
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}
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part->scale += time4;
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part->vel[2] -= grav;
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break;
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case pt_fallfade:
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if ((part->alpha -= r_frametime) <= 0.0)
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part->die = -1;
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part->vel[2] -= fast_grav;
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break;
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case pt_fallfadespark:
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part->ramp += time15;
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if (part->ramp >= 8) {
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part->die = -1;
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break;
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}
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part->color = ramp1[(int) part->ramp];
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if ((part->alpha -= r_frametime) <= 0.0)
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part->die = -1;
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part->vel[2] -= fast_grav;
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break;
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case pt_flame:
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if ((part->alpha -= time_125) <= 0.0)
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part->die = -1;
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part->scale -= time2;
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break;
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default:
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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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}
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void
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R_DrawParticles (void)
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{
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unsigned char *at;
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int activeparticles, maxparticle, j, vacount;
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unsigned int k;
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float minparticledist, scale;
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particle_t *part;
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vec3_t up_scale, right_scale, up_right_scale, down_right_scale;
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varray_t2f_c4ub_v3f_t *VA;
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if (!r_particles->int_val)
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return;
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qfglBindTexture (GL_TEXTURE_2D, part_tex);
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// LordHavoc: particles should not affect zbuffer
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qfglDepthMask (GL_FALSE);
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qfglInterleavedArrays (GL_T2F_C4UB_V3F, 0, particleVertexArray);
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minparticledist = DotProduct (r_refdef.vieworg, vpn) +
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r_particles_nearclip->value;
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@ -1556,105 +1655,13 @@ R_DrawParticles (void)
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}
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}
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VectorMultAdd (part->org, r_frametime, part->vel, part->org);
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R_ParticlePhysics (part);
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switch (part->type) {
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case pt_static:
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break;
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case pt_grav:
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part->vel[2] -= grav;
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break;
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case pt_fire:
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part->ramp += time5;
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if (part->ramp >= 6) {
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part->die = -1;
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break;
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}
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part->color = ramp3[(int) part->ramp];
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part->alpha = (6.0 - part->ramp) / 6.0;
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part->vel[2] += grav;
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break;
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case pt_explode:
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part->ramp += time10;
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if (part->ramp >= 8) {
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part->die = -1;
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break;
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}
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part->color = ramp1[(int) part->ramp];
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VectorMultAdd (part->vel, time4, part->vel, part->vel);
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part->vel[2] -= grav;
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break;
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case pt_explode2:
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part->ramp += time15;
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if (part->ramp >= 8) {
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part->die = -1;
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break;
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}
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part->color = ramp2[(int) part->ramp];
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VectorMultSub (part->vel, r_frametime, part->vel, part->vel);
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part->vel[2] -= grav;
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break;
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case pt_blob:
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VectorMultAdd (part->vel, time4, part->vel, part->vel);
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part->vel[2] -= grav;
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break;
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case pt_blob2:
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part->vel[0] -= part->vel[0] * time4;
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part->vel[1] -= part->vel[1] * time4;
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part->vel[2] -= grav;
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break;
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case pt_smoke:
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if ((part->alpha -= time_40) <= 0.0)
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part->die = -1;
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part->scale += time4;
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// part->org[2] += time30;
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break;
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case pt_smokecloud:
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if ((part->alpha -= time_55) <= 0.0) {
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part->die = -1;
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break;
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}
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part->scale += time50;
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part->org[2] += time30;
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break;
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case pt_bloodcloud:
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if ((part->alpha -= time_25) <= 0.0) {
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part->die = -1;
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break;
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}
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part->scale += time4;
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part->vel[2] -= grav;
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break;
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case pt_fallfade:
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if ((part->alpha -= r_frametime) <= 0.0)
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part->die = -1;
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part->vel[2] -= fast_grav;
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break;
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case pt_fallfadespark:
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part->ramp += time15;
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if (part->ramp >= 8) {
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part->die = -1;
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break;
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}
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part->color = ramp1[(int) part->ramp];
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if ((part->alpha -= r_frametime) <= 0.0)
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part->die = -1;
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part->vel[2] -= fast_grav;
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break;
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case pt_flame:
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if ((part->alpha -= time_125) <= 0.0)
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part->die = -1;
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part->scale -= time2;
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break;
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default:
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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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if (part->die < r_realtime) {
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freeparticles[j++] = part;
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else {
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} else {
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maxparticle = k;
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activeparticles++;
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}
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