]> git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - cl_particles.c
Changed default sound module for linux to ALSA. Modified makefiles to allow people...
[xonotic/darkplaces.git] / cl_particles.c
index 4c61f60289ee9ab197a6126e37f292b437041bc0..90f6fda6fdc873c8557ad9840300bb20da33e3b6 100644 (file)
@@ -152,7 +152,7 @@ void VectorVectors(const vec3_t forward, vec3_t right, vec3_t up)
 #include "pmove.h"
 extern qboolean PM_RecursiveHullCheck (hull_t *hull, int num, float p1f, float p2f, vec3_t p1, vec3_t p2, pmtrace_t *trace);
 #endif
-float CL_TraceLine (vec3_t start, vec3_t end, vec3_t impact, vec3_t normal, int hitbmodels, int *hitent, int hitsupercontentsmask)
+trace_t CL_TraceBox (vec3_t start, vec3_t mins, vec3_t maxs, vec3_t end, int hitbmodels, int *hitent, int hitsupercontentsmask, qboolean hitplayers)
 {
 #if QW
        pmtrace_t trace;
@@ -167,9 +167,7 @@ float CL_TraceLine (vec3_t start, vec3_t end, vec3_t impact, vec3_t normal, int
 #else
        RecursiveHullCheck (cl.worldmodel->hulls, 0, 0, 1, start, end, &trace);
 #endif
-       VectorCopy(trace.endpos, impact);
-       VectorCopy(trace.plane.normal, normal);
-       return trace.fraction;
+       return trace;
 }
 #else
 #include "cl_collision.h"
@@ -241,12 +239,10 @@ typedef struct particle_s
        float           gravity; // how much gravity affects this particle (1.0 = normal gravity, 0.0 = none)
        float           friction; // how much air friction affects this object (objects with a low mass/size ratio tend to get more air friction)
        qbyte           color[4];
-#ifndef WORKINGLQUAKE
        unsigned short owner; // decal stuck to this entity
        model_t         *ownermodel; // model the decal is stuck to (used to make sure the entity is still alive)
        vec3_t          relativeorigin; // decal at this location in entity's coordinate space
        vec3_t          relativedirection; // decal oriented this way relative to entity's coordinate space
-#endif
 }
 particle_t;
 
@@ -476,20 +472,21 @@ void CL_SpawnDecalParticleForPoint(const vec3_t org, float maxdist, float size,
 {
        int i;
        float bestfrac, bestorg[3], bestnormal[3];
-       float frac, v[3], normal[3], org2[3];
+       float org2[3];
        int besthitent = 0, hitent;
+       trace_t trace;
        bestfrac = 10;
        for (i = 0;i < 32;i++)
        {
                VectorRandom(org2);
                VectorMA(org, maxdist, org2, org2);
-               frac = CL_TraceLine(org, org2, v, normal, true, &hitent, SUPERCONTENTS_SOLID);
-               if (bestfrac > frac)
+               trace = CL_TraceBox(org, vec3_origin, vec3_origin, org2, true, &hitent, SUPERCONTENTS_SOLID, false);
+               if (bestfrac > trace.fraction)
                {
-                       bestfrac = frac;
+                       bestfrac = trace.fraction;
                        besthitent = hitent;
-                       VectorCopy(v, bestorg);
-                       VectorCopy(normal, bestnormal);
+                       VectorCopy(trace.endpos, bestorg);
+                       VectorCopy(trace.plane.normal, bestnormal);
                }
        }
        if (bestfrac < 1)
@@ -655,6 +652,7 @@ CL_ParticleExplosion
 void CL_ParticleExplosion (vec3_t org)
 {
        int i;
+       trace_t trace;
        //vec3_t v;
        //vec3_t v2;
        if (cl_stainmaps.integer)
@@ -688,13 +686,14 @@ void CL_ParticleExplosion (vec3_t org)
                                        v[0] = org[0] + lhrandom(-48, 48);
                                        v[1] = org[1] + lhrandom(-48, 48);
                                        v[2] = org[2] + lhrandom(-48, 48);
-                                       if (CL_TraceLine(org, v, v2, NULL, true, NULL, SUPERCONTENTS_SOLID) >= 0.1)
+                                       trace = CL_TraceBox(org, vec3_origin, vec3_origin, v, true, NULL, SUPERCONTENTS_SOLID, false);
+                                       if (trace.fraction >= 0.1)
                                                break;
                                }
-                               VectorSubtract(v2, org, v2);
+                               VectorSubtract(trace.endpos, org, v2);
 #endif
                                VectorScale(v2, 2.0f, v2);
-                               particle(particletype + pt_static, 0xFFFFFF, 0xFFFFFF, tex_smoke[rand()&7], 12, 32, 64, 0, 0, org[0], org[1], org[2], v2[0], v2[1], v2[2], 0);
+                               particle(particletype + pt_smoke, 0x202020, 0x404040, tex_smoke[rand()&7], 12, 32, 64, 0, 0, org[0], org[1], org[2], v2[0], v2[1], v2[2], 0);
                        }
                }
 
@@ -796,8 +795,9 @@ void CL_SparkShower (vec3_t org, vec3_t dir, int count, vec_t gravityscale)
 
 void CL_Smoke (vec3_t org, vec3_t dir, int count)
 {
-       vec3_t org2, org3;
+       vec3_t org2;
        int k;
+       trace_t trace;
 
        if (!cl_particles.integer) return;
 
@@ -810,8 +810,8 @@ void CL_Smoke (vec3_t org, vec3_t dir, int count)
                        org2[0] = org[0] + 0.125f * lhrandom(-count, count);
                        org2[1] = org[1] + 0.125f * lhrandom(-count, count);
                        org2[2] = org[2] + 0.125f * lhrandom(-count, count);
-                       CL_TraceLine(org, org2, org3, NULL, true, NULL, SUPERCONTENTS_SOLID);
-                       particle(particletype + pt_smoke, 0x101010, 0x202020, tex_smoke[rand()&7], 3, (1.0f / cl_particles_quality.value) * 255, (1.0f / cl_particles_quality.value) * 1024, 0, 0, org3[0], org3[1], org3[2], lhrandom(-8, 8), lhrandom(-8, 8), lhrandom(-8, 8), 0);
+                       trace = CL_TraceBox(org, vec3_origin, vec3_origin, org2, true, NULL, SUPERCONTENTS_SOLID, false);
+                       particle(particletype + pt_smoke, 0x101010, 0x202020, tex_smoke[rand()&7], 3, (1.0f / cl_particles_quality.value) * 255, (1.0f / cl_particles_quality.value) * 1024, 0, 0, trace.endpos[0], trace.endpos[1], trace.endpos[2], lhrandom(-8, 8), lhrandom(-8, 8), lhrandom(-8, 8), 0);
                }
        }
 }
@@ -834,7 +834,8 @@ static float bloodcount = 0;
 void CL_BloodPuff (vec3_t org, vec3_t vel, int count)
 {
        float s;
-       vec3_t org2, org3;
+       vec3_t org2;
+       trace_t trace;
        // bloodcount is used to accumulate counts too small to cause a blood particle
        if (!cl_particles.integer) return;
        if (!cl_particles_blood.integer) return;
@@ -849,8 +850,8 @@ void CL_BloodPuff (vec3_t org, vec3_t vel, int count)
                org2[0] = org[0] + 0.125f * lhrandom(-bloodcount, bloodcount);
                org2[1] = org[1] + 0.125f * lhrandom(-bloodcount, bloodcount);
                org2[2] = org[2] + 0.125f * lhrandom(-bloodcount, bloodcount);
-               CL_TraceLine(org, org2, org3, NULL, true, NULL, SUPERCONTENTS_SOLID);
-               particle(particletype + pt_blood, 0xFFFFFF, 0xFFFFFF, tex_bloodparticle[rand()&7], 8, cl_particles_blood_alpha.value * 768 / cl_particles_quality.value, cl_particles_blood_alpha.value * 384 / cl_particles_quality.value, 0, -1, org3[0], org3[1], org3[2], vel[0] + lhrandom(-s, s), vel[1] + lhrandom(-s, s), vel[2] + lhrandom(-s, s), 1);
+               trace = CL_TraceBox(org, vec3_origin, vec3_origin, org2, true, NULL, SUPERCONTENTS_SOLID, false);
+               particle(particletype + pt_blood, 0xFFFFFF, 0xFFFFFF, tex_bloodparticle[rand()&7], 8, cl_particles_blood_alpha.value * 768 / cl_particles_quality.value, cl_particles_blood_alpha.value * 384 / cl_particles_quality.value, 0, -1, trace.endpos[0], trace.endpos[1], trace.endpos[2], vel[0] + lhrandom(-s, s), vel[1] + lhrandom(-s, s), vel[2] + lhrandom(-s, s), 1);
                bloodcount -= 16 / cl_particles_quality.value;
        }
 }
@@ -905,6 +906,7 @@ void CL_ParticleRain (vec3_t mins, vec3_t maxs, vec3_t dir, int count, int color
 {
        int k;
        float t, z, minz, maxz;
+       particle_t *p;
        if (!cl_particles.integer) return;
        if (maxs[0] <= mins[0]) {t = mins[0];mins[0] = maxs[0];maxs[0] = t;}
        if (maxs[1] <= mins[1]) {t = mins[1];mins[1] = maxs[1];maxs[1] = t;}
@@ -940,9 +942,11 @@ void CL_ParticleRain (vec3_t mins, vec3_t maxs, vec3_t dir, int count, int color
                {
                        k = particlepalette[colorbase + (rand()&3)];
                        if (gamemode == GAME_GOODVSBAD2)
-                               particle(particletype + pt_snow, k, k, tex_particle, 20, lhrandom(64, 128) / cl_particles_quality.value, 0, 0, -1, lhrandom(mins[0], maxs[0]), lhrandom(mins[1], maxs[1]), lhrandom(minz, maxz), dir[0], dir[1], dir[2], 0);
+                               p = particle(particletype + pt_snow, k, k, tex_particle, 20, lhrandom(64, 128) / cl_particles_quality.value, 0, 0, -1, lhrandom(mins[0], maxs[0]), lhrandom(mins[1], maxs[1]), lhrandom(minz, maxz), dir[0], dir[1], dir[2], 0);
                        else
-                               particle(particletype + pt_snow, k, k, tex_particle, 1, lhrandom(64, 128) / cl_particles_quality.value, 0, 0, -1, lhrandom(mins[0], maxs[0]), lhrandom(mins[1], maxs[1]), lhrandom(minz, maxz), dir[0], dir[1], dir[2], 0);
+                               p = particle(particletype + pt_snow, k, k, tex_particle, 1, lhrandom(64, 128) / cl_particles_quality.value, 0, 0, -1, lhrandom(mins[0], maxs[0]), lhrandom(mins[1], maxs[1]), lhrandom(minz, maxz), dir[0], dir[1], dir[2], 0);
+                       if (p)
+                               VectorCopy(p->vel, p->relativedirection);
                }
                break;
        default:
@@ -1266,8 +1270,9 @@ void CL_MoveParticles (void)
 {
        particle_t *p;
        int i, maxparticle, j, a, content;
-       float gravity, dvel, bloodwaterfade, frametime, f, dist, normal[3], v[3], org[3], oldorg[3];
+       float gravity, dvel, bloodwaterfade, frametime, f, dist, org[3], oldorg[3];
        int hitent;
+       trace_t trace;
 
        // LordHavoc: early out condition
        if (!cl_numparticles)
@@ -1312,17 +1317,17 @@ void CL_MoveParticles (void)
                                if (p->type == particletype + pt_rain)
                                {
                                        // raindrop - splash on solid/water/slime/lava
-                                       if (CL_TraceLine(oldorg, p->org, v, normal, true, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_LIQUIDSMASK) < 1)
+                                       trace = CL_TraceBox(oldorg, vec3_origin, vec3_origin, p->org, true, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_LIQUIDSMASK, false);
+                                       if (trace.fraction < 1)
                                        {
-                                               VectorCopy(v, p->org);
-                                               // splash
-                                               p->type = particletype + pt_raindecal;
                                                // convert from a raindrop particle to a rainsplash decal
+                                               VectorCopy(trace.endpos, p->org);
+                                               VectorCopy(trace.plane.normal, p->vel);
+                                               VectorAdd(p->org, p->vel, p->org);
+                                               p->type = particletype + pt_raindecal;
                                                p->texnum = tex_rainsplash[0];
                                                p->time2 = cl.time;
                                                p->alphafade = p->alpha / 0.4;
-                                               VectorCopy(normal, p->vel);
-                                               VectorAdd(p->org, normal, p->org);
                                                p->bounce = 0;
                                                p->friction = 0;
                                                p->gravity = 0;
@@ -1332,12 +1337,16 @@ void CL_MoveParticles (void)
                                else if (p->type == particletype + pt_blood)
                                {
                                        // blood - splash on solid
-                                       if (CL_TraceLine(oldorg, p->org, v, normal, true, &hitent, SUPERCONTENTS_SOLID) < 1)
+                                       trace = CL_TraceBox(oldorg, vec3_origin, vec3_origin, p->org, true, &hitent, SUPERCONTENTS_SOLID, false);
+                                       if (trace.fraction < 1)
                                        {
-                                               VectorCopy(v, p->org);
+                                               // convert from a blood particle to a blood decal
+                                               VectorCopy(trace.endpos, p->org);
+                                               VectorCopy(trace.plane.normal, p->vel);
+                                               VectorAdd(p->org, p->vel, p->org);
 #ifndef WORKINGLQUAKE
                                                if (cl_stainmaps.integer)
-                                                       R_Stain(v, 32, 32, 16, 16, p->alpha * p->size * (1.0f / 40.0f), 192, 48, 48, p->alpha * p->size * (1.0f / 40.0f));
+                                                       R_Stain(p->org, 32, 32, 16, 16, p->alpha * p->size * (1.0f / 40.0f), 192, 48, 48, p->alpha * p->size * (1.0f / 40.0f));
 #endif
                                                if (!cl_decals.integer)
                                                {
@@ -1346,19 +1355,15 @@ void CL_MoveParticles (void)
                                                }
 
                                                p->type = particletype + pt_decal;
-                                               // convert from a blood particle to a blood decal
                                                p->texnum = tex_blooddecal[rand()&7];
 #ifndef WORKINGLQUAKE
                                                p->owner = hitent;
                                                p->ownermodel = cl_entities[hitent].render.model;
-                                               Matrix4x4_Transform(&cl_entities[hitent].render.inversematrix, v, p->relativeorigin);
-                                               Matrix4x4_Transform3x3(&cl_entities[hitent].render.inversematrix, normal, p->relativedirection);
-                                               VectorAdd(p->relativeorigin, p->relativedirection, p->relativeorigin);
+                                               Matrix4x4_Transform(&cl_entities[hitent].render.inversematrix, p->org, p->relativeorigin);
+                                               Matrix4x4_Transform3x3(&cl_entities[hitent].render.inversematrix, p->vel, p->relativedirection);
 #endif
                                                p->time2 = cl.time;
                                                p->alphafade = 0;
-                                               VectorCopy(normal, p->vel);
-                                               VectorAdd(p->org, normal, p->org);
                                                p->bounce = 0;
                                                p->friction = 0;
                                                p->gravity = 0;
@@ -1367,9 +1372,10 @@ void CL_MoveParticles (void)
                                }
                                else
                                {
-                                       if (CL_TraceLine(oldorg, p->org, v, normal, true, NULL, SUPERCONTENTS_SOLID) < 1)
+                                       trace = CL_TraceBox(oldorg, vec3_origin, vec3_origin, p->org, true, NULL, SUPERCONTENTS_SOLID, false);
+                                       if (trace.fraction < 1)
                                        {
-                                               VectorCopy(v, p->org);
+                                               VectorCopy(trace.endpos, p->org);
                                                if (p->bounce < 0)
                                                {
                                                        p->type = NULL;
@@ -1377,8 +1383,8 @@ void CL_MoveParticles (void)
                                                }
                                                else
                                                {
-                                                       dist = DotProduct(p->vel, normal) * -p->bounce;
-                                                       VectorMA(p->vel, dist, normal, p->vel);
+                                                       dist = DotProduct(p->vel, trace.plane.normal) * -p->bounce;
+                                                       VectorMA(p->vel, dist, trace.plane.normal, p->vel);
                                                        if (DotProduct(p->vel, p->vel) < 0.03)
                                                                VectorClear(p->vel);
                                                }
@@ -1461,9 +1467,9 @@ void CL_MoveParticles (void)
                                {
                                        // snow flutter
                                        p->time2 = cl.time + (rand() & 3) * 0.1;
-                                       p->vel[0] += lhrandom(-32, 32);
-                                       p->vel[1] += lhrandom(-32, 32);
-                                       p->vel[2] += lhrandom(-32, 32);
+                                       p->vel[0] = p->relativedirection[0] + lhrandom(-32, 32);
+                                       p->vel[1] = p->relativedirection[1] + lhrandom(-32, 32);
+                                       //p->vel[2] = p->relativedirection[2] + lhrandom(-32, 32);
                                }
 #ifdef WORKINGLQUAKE
                                a = CL_PointQ1Contents(p->org);
@@ -1475,7 +1481,7 @@ void CL_MoveParticles (void)
                                        p->type = NULL;
                                break;
                        case pt_smoke:
-                               p->size += frametime * 15;
+                               //p->size += frametime * 15;
                                break;
                        case pt_decal:
                                // FIXME: this has fairly wacky handling of alpha