Separate box and trail particles. Makes Xonotic's Nex beam possible again.

[xonotic/darkplaces.git] / cl_particles.c

diff --git a/cl_particles.c b/cl_particles.c
index 941c638ec5e856db865649fd94bfb933f2b49621..e2e9ca08d1235a42b2e45bf07fbd5d544b1b9b3a 100644 (file)
--- a/cl_particles.c
+++ b/cl_particles.c
@@ -1442,7 +1442,7 @@ static void CL_ParticleEffect_Fallback(int effectnameindex, float count, const v
 // spawnparticles = true
 // it is called CL_ParticleTrail because most code does not want to supply
 // these parameters, only trail handling does
-void CL_ParticleTrail(int effectnameindex, float pcount, const vec3_t originmins, const vec3_t originmaxs, const vec3_t velocitymins, const vec3_t velocitymaxs, entity_t *ent, int palettecolor, qboolean spawndlight, qboolean spawnparticles, float tintmins[4], float tintmaxs[4])
+static void CL_NewParticlesFromEffectinfo(int effectnameindex, float pcount, const vec3_t originmins, const vec3_t originmaxs, const vec3_t velocitymins, const vec3_t velocitymaxs, entity_t *ent, int palettecolor, qboolean spawndlight, qboolean spawnparticles, float tintmins[4], float tintmaxs[4], float fade, qboolean istrail)
 {
        qboolean found = false;
        char vabuf[1024];
@@ -1497,11 +1497,15 @@ void CL_ParticleTrail(int effectnameindex, float pcount, const vec3_t originmins
                                if ((info->flags & PARTICLEEFFECT_NOTUNDERWATER) && underwater)
                                        continue;
 
+                               // if trailspacing is set, only ever use this effect as trail
+                               if (info->trailspacing > 0 && !istrail)
+                                       continue;
+
                                // spawn a dlight if requested
                                if (info->lightradiusstart > 0 && spawndlight)
                                {
                                        matrix4x4_t tempmatrix;
-                                       if (info->trailspacing > 0)
+                                       if (istrail)
                                                Matrix4x4_CreateTranslate(&tempmatrix, originmaxs[0], originmaxs[1], originmaxs[2]);
                                        else
                                                Matrix4x4_CreateTranslate(&tempmatrix, center[0], center[1], center[2]);
@@ -1573,20 +1577,25 @@ void CL_ParticleTrail(int effectnameindex, float pcount, const vec3_t originmins
                                        default: break;
                                        }
                                        VectorCopy(originmins, trailpos);
-                                       if (info->trailspacing > 0)
+                                       if (istrail)
                                        {
-                                               info->particleaccumulator += traillen / info->trailspacing * cl_particles_quality.value;
-                                               trailstep = info->trailspacing / cl_particles_quality.value;
+                                               float cnt = info->countabsolute;
+                                               cnt += (pcount * info->countmultiplier) * cl_particles_quality.value;
+                                               if (info->trailspacing > 0)
+                                                       cnt += (traillen / info->trailspacing) * cl_particles_quality.value;
+                                               cnt *= fade;
+                                               info->particleaccumulator += cnt;
+                                               trailstep = traillen / cnt;
                                                immediatebloodstain = false;
 
                                                AnglesFromVectors(angles, traildir, NULL, false);
-                                               AngleVectors(angles, forward, right, up);
-                                               VectorMAMAMAM(1.0f, trailpos, info->relativeoriginoffset[0], forward, info->relativeoriginoffset[1], right, info->relativeoriginoffset[2], up, trailpos);
-                                               VectorMAMAM(info->relativevelocityoffset[0], forward, info->relativevelocityoffset[1], right, info->relativevelocityoffset[2], up, velocity);
                                        }
                                        else
                                        {
-                                               info->particleaccumulator += info->countabsolute + pcount * info->countmultiplier * cl_particles_quality.value;
+                                               float cnt = info->countabsolute;
+                                               cnt += (pcount * info->countmultiplier) * cl_particles_quality.value;
+                                               cnt *= fade;
+                                               info->particleaccumulator += cnt;
                                                trailstep = 0;
                                                immediatebloodstain =
                                                        ((cl_decals_newsystem_immediatebloodstain.integer >= 1) && (info->particletype == pt_blood))
@@ -1595,10 +1604,10 @@ void CL_ParticleTrail(int effectnameindex, float pcount, const vec3_t originmins
 
                                                VectorMAM(0.5f, velocitymins, 0.5f, velocitymaxs, velocity);
                                                AnglesFromVectors(angles, velocity, NULL, false);
-                                               AngleVectors(angles, forward, right, up);
-                                               VectorMAMAMAM(1.0f, trailpos, info->relativeoriginoffset[0], traildir, info->relativeoriginoffset[1], right, info->relativeoriginoffset[2], up, trailpos);
-                                               VectorMAMAM(info->relativevelocityoffset[0], traildir, info->relativevelocityoffset[1], right, info->relativevelocityoffset[2], up, velocity);
                                        }
+                                       AngleVectors(angles, forward, right, up);
+                                       VectorMAMAMAM(1.0f, trailpos, info->relativeoriginoffset[0], forward, info->relativeoriginoffset[1], right, info->relativeoriginoffset[2], up, trailpos);
+                                       VectorMAMAM(info->relativevelocityoffset[0], forward, info->relativevelocityoffset[1], right, info->relativevelocityoffset[2], up, velocity);
                                        info->particleaccumulator = bound(0, info->particleaccumulator, 16384);
                                        for (;info->particleaccumulator >= 1;info->particleaccumulator--)
                                        {
@@ -1636,9 +1645,19 @@ void CL_ParticleTrail(int effectnameindex, float pcount, const vec3_t originmins
                CL_ParticleEffect_Fallback(effectnameindex, pcount, originmins, originmaxs, velocitymins, velocitymaxs, ent, palettecolor, spawndlight, spawnparticles);
 }
 
+void CL_ParticleTrail(int effectnameindex, float pcount, const vec3_t originmins, const vec3_t originmaxs, const vec3_t velocitymins, const vec3_t velocitymaxs, entity_t *ent, int palettecolor, qboolean spawndlight, qboolean spawnparticles, float tintmins[4], float tintmaxs[4], float fade)
+{
+       CL_NewParticlesFromEffectinfo(effectnameindex, pcount, originmins, originmaxs, velocitymins, velocitymaxs, ent, palettecolor, spawndlight, spawnparticles, tintmins, tintmaxs, fade, true);
+}
+
+void CL_ParticleBox(int effectnameindex, float pcount, const vec3_t originmins, const vec3_t originmaxs, const vec3_t velocitymins, const vec3_t velocitymaxs, entity_t *ent, int palettecolor, qboolean spawndlight, qboolean spawnparticles, float tintmins[4], float tintmaxs[4], float fade)
+{
+       CL_NewParticlesFromEffectinfo(effectnameindex, pcount, originmins, originmaxs, velocitymins, velocitymaxs, ent, palettecolor, spawndlight, spawnparticles, tintmins, tintmaxs, fade, false);
+}
+
 void CL_ParticleEffect(int effectnameindex, float pcount, const vec3_t originmins, const vec3_t originmaxs, const vec3_t velocitymins, const vec3_t velocitymaxs, entity_t *ent, int palettecolor)
 {
-       CL_ParticleTrail(effectnameindex, pcount, originmins, originmaxs, velocitymins, velocitymaxs, ent, palettecolor, true, true, NULL, NULL);
+       CL_ParticleBox(effectnameindex, pcount, originmins, originmaxs, velocitymins, velocitymaxs, ent, palettecolor, true, true, NULL, NULL, 1);
 }
 
 /*