vec3_t traildir;
vec3_t trailpos;
vec3_t rvec;
+ vec_t traillen;
+ vec_t trailstep;
qboolean underwater;
// note this runs multiple effects with the same name, each one spawns only one kind of particle, so some effects need more than one
VectorLerp(originmins, 0.5, originmaxs, center);
supercontents = CL_PointSuperContents(center);
underwater = (supercontents & (SUPERCONTENTS_WATER | SUPERCONTENTS_SLIME)) != 0;
VectorSubtract(originmaxs, originmins, traildir);
+ traillen = VectorLength(traildir);
VectorNormalize(traildir);
for (effectinfoindex = 0, info = particleeffectinfo;effectinfoindex < MAX_PARTICLEEFFECTINFO && info->effectnameindex;effectinfoindex++, info++)
{
case pt_blood: if (!cl_particles_blood.integer) continue;break;
default: break;
}
- info->particleaccumulator += info->countabsolute + pcount * info->countmultiplier * cl_particles_quality.value;
VectorCopy(originmins, trailpos);
+ if (info->trailspacing > 0)
+ {
+ info->particleaccumulator += traillen / info->trailspacing * cl_particles_quality.value;
+ trailstep = info->trailspacing / cl_particles_quality.value;
+ }
+ else
+ {
+ info->particleaccumulator += info->countabsolute + pcount * info->countmultiplier * cl_particles_quality.value;
+ trailstep = 0;
+ }
for (;info->particleaccumulator > 0;info->particleaccumulator--)
{
if (info->tex[1] > info->tex[0])
tex = (int)lhrandom(info->tex[0], info->tex[1]);
tex = min(tex, info->tex[1] - 1);
}
- if (info->trailspacing <= 0)
+ if (!trailstep)
{
trailpos[0] = lhrandom(originmins[0], originmaxs[0]);
trailpos[1] = lhrandom(originmins[1], originmaxs[1]);
}
VectorRandom(rvec);
particle(particletype + info->particletype, info->color[0], info->color[1], tex, lhrandom(info->size[0], info->size[1]), info->size[2], lhrandom(info->alpha[0], info->alpha[1]), info->alpha[2], info->gravity, info->bounce, trailpos[0] + info->originoffset[0] + info->originjitter[0] * rvec[0], trailpos[1] + info->originoffset[1] + info->originjitter[1] * rvec[1], trailpos[2] + info->originoffset[2] + info->originjitter[2] * rvec[2], lhrandom(velocitymins[0], velocitymaxs[0]) * info->velocitymultiplier + info->velocityoffset[0] + info->velocityjitter[0] * rvec[0], lhrandom(velocitymins[1], velocitymaxs[1]) * info->velocitymultiplier + info->velocityoffset[1] + info->velocityjitter[1] * rvec[1], lhrandom(velocitymins[2], velocitymaxs[2]) * info->velocitymultiplier + info->velocityoffset[2] + info->velocityjitter[2] * rvec[2], info->airfriction, 0, 0);
- if (info->trailspacing > 0)
- VectorMA(trailpos, info->trailspacing, traildir, trailpos);
+ if (trailstep)
+ VectorMA(trailpos, trailstep, traildir, trailpos);
}
}
}
int basex, basey, y;
basex = ((texnum >> 0) & 7) * PARTICLETEXTURESIZE;
basey = ((texnum >> 3) & 7) * PARTICLETEXTURESIZE;
- particletexture[texnum].s1 = (basex + 1) / (float)PARTICLEFONTSIZE;
- particletexture[texnum].t1 = (basey + 1) / (float)PARTICLEFONTSIZE;
- particletexture[texnum].s2 = (basex + PARTICLETEXTURESIZE - 1) / (float)PARTICLEFONTSIZE;
- particletexture[texnum].t2 = (basey + PARTICLETEXTURESIZE - 1) / (float)PARTICLEFONTSIZE;
for (y = 0;y < PARTICLETEXTURESIZE;y++)
memcpy(particletexturedata + ((basey + y) * PARTICLEFONTSIZE + basex) * 4, data + y * PARTICLETEXTURESIZE * 4, PARTICLETEXTURESIZE * 4);
}
}
+//uncomment this to make engine save out particle font to a tga file when run
+//#define DUMPPARTICLEFONT
+
static void R_InitParticleTexture (void)
{
int x, y, d, i, k, m;
float dx, dy, f;
- unsigned char data[PARTICLETEXTURESIZE][PARTICLETEXTURESIZE][4], noise3[64][64], data2[64][16][4];
vec3_t light;
- unsigned char *particletexturedata;
// a note: decals need to modulate (multiply) the background color to
// properly darken it (stain), and they need to be able to alpha fade,
// and white on black background) so we can alpha fade it to black, then
// we invert it again during the blendfunc to make it work...
- particletexturedata = (unsigned char *)Mem_Alloc(tempmempool, PARTICLEFONTSIZE*PARTICLEFONTSIZE*4);
- memset(particletexturedata, 255, PARTICLEFONTSIZE*PARTICLEFONTSIZE*4);
-
- // smoke
- for (i = 0;i < 8;i++)
+#ifndef DUMPPARTICLEFONT
+ particlefonttexture = loadtextureimage(particletexturepool, "particles/particlefont.tga", 0, 0, false, TEXF_ALPHA | TEXF_PRECACHE);
+ if (!particlefonttexture)
+#endif
{
- memset(&data[0][0][0], 255, sizeof(data));
- do
- {
- unsigned char noise1[PARTICLETEXTURESIZE*2][PARTICLETEXTURESIZE*2], noise2[PARTICLETEXTURESIZE*2][PARTICLETEXTURESIZE*2];
+ unsigned char *particletexturedata = (unsigned char *)Mem_Alloc(tempmempool, PARTICLEFONTSIZE*PARTICLEFONTSIZE*4);
+ unsigned char data[PARTICLETEXTURESIZE][PARTICLETEXTURESIZE][4];
+ memset(particletexturedata, 255, PARTICLEFONTSIZE*PARTICLEFONTSIZE*4);
- fractalnoise(&noise1[0][0], PARTICLETEXTURESIZE*2, PARTICLETEXTURESIZE/8);
- fractalnoise(&noise2[0][0], PARTICLETEXTURESIZE*2, PARTICLETEXTURESIZE/4);
- m = 0;
- for (y = 0;y < PARTICLETEXTURESIZE;y++)
+ // smoke
+ for (i = 0;i < 8;i++)
+ {
+ memset(&data[0][0][0], 255, sizeof(data));
+ do
{
- dy = (y - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
- for (x = 0;x < PARTICLETEXTURESIZE;x++)
+ unsigned char noise1[PARTICLETEXTURESIZE*2][PARTICLETEXTURESIZE*2], noise2[PARTICLETEXTURESIZE*2][PARTICLETEXTURESIZE*2];
+
+ fractalnoise(&noise1[0][0], PARTICLETEXTURESIZE*2, PARTICLETEXTURESIZE/8);
+ fractalnoise(&noise2[0][0], PARTICLETEXTURESIZE*2, PARTICLETEXTURESIZE/4);
+ m = 0;
+ for (y = 0;y < PARTICLETEXTURESIZE;y++)
{
- dx = (x - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
- d = (noise2[y][x] - 128) * 3 + 192;
- if (d > 0)
- d = (int)(d * (1-(dx*dx+dy*dy)));
- d = (d * noise1[y][x]) >> 7;
- d = bound(0, d, 255);
- data[y][x][3] = (unsigned char) d;
- if (m < d)
- m = d;
+ dy = (y - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
+ for (x = 0;x < PARTICLETEXTURESIZE;x++)
+ {
+ dx = (x - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
+ d = (noise2[y][x] - 128) * 3 + 192;
+ if (d > 0)
+ d = (int)(d * (1-(dx*dx+dy*dy)));
+ d = (d * noise1[y][x]) >> 7;
+ d = bound(0, d, 255);
+ data[y][x][3] = (unsigned char) d;
+ if (m < d)
+ m = d;
+ }
}
}
+ while (m < 224);
+ setuptex(tex_smoke[i], &data[0][0][0], particletexturedata);
}
- while (m < 224);
- setuptex(tex_smoke[i], &data[0][0][0], particletexturedata);
- }
- // rain splash
- memset(&data[0][0][0], 255, sizeof(data));
- for (y = 0;y < PARTICLETEXTURESIZE;y++)
- {
- dy = (y - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
- for (x = 0;x < PARTICLETEXTURESIZE;x++)
+ // rain splash
+ memset(&data[0][0][0], 255, sizeof(data));
+ for (y = 0;y < PARTICLETEXTURESIZE;y++)
{
- dx = (x - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
- f = 255.0f * (1.0 - 4.0f * fabs(10.0f - sqrt(dx*dx+dy*dy)));
- data[y][x][3] = (int) (bound(0.0f, f, 255.0f));
+ dy = (y - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
+ for (x = 0;x < PARTICLETEXTURESIZE;x++)
+ {
+ dx = (x - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
+ f = 255.0f * (1.0 - 4.0f * fabs(10.0f - sqrt(dx*dx+dy*dy)));
+ data[y][x][3] = (int) (bound(0.0f, f, 255.0f));
+ }
}
- }
- setuptex(tex_rainsplash, &data[0][0][0], particletexturedata);
+ setuptex(tex_rainsplash, &data[0][0][0], particletexturedata);
- // normal particle
- memset(&data[0][0][0], 255, sizeof(data));
- for (y = 0;y < PARTICLETEXTURESIZE;y++)
- {
- dy = (y - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
- for (x = 0;x < PARTICLETEXTURESIZE;x++)
+ // normal particle
+ memset(&data[0][0][0], 255, sizeof(data));
+ for (y = 0;y < PARTICLETEXTURESIZE;y++)
{
- dx = (x - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
- d = (int)(256 * (1 - (dx*dx+dy*dy)));
- d = bound(0, d, 255);
- data[y][x][3] = (unsigned char) d;
+ dy = (y - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
+ for (x = 0;x < PARTICLETEXTURESIZE;x++)
+ {
+ dx = (x - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
+ d = (int)(256 * (1 - (dx*dx+dy*dy)));
+ d = bound(0, d, 255);
+ data[y][x][3] = (unsigned char) d;
+ }
}
- }
- setuptex(tex_particle, &data[0][0][0], particletexturedata);
+ setuptex(tex_particle, &data[0][0][0], particletexturedata);
- // rain
- memset(&data[0][0][0], 255, sizeof(data));
- light[0] = 1;light[1] = 1;light[2] = 1;
- VectorNormalize(light);
- for (y = 0;y < PARTICLETEXTURESIZE;y++)
- {
- dy = (y - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
- // stretch upper half of bubble by +50% and shrink lower half by -50%
- // (this gives an elongated teardrop shape)
- if (dy > 0.5f)
- dy = (dy - 0.5f) * 2.0f;
- else
- dy = (dy - 0.5f) / 1.5f;
- for (x = 0;x < PARTICLETEXTURESIZE;x++)
+ // rain
+ memset(&data[0][0][0], 255, sizeof(data));
+ light[0] = 1;light[1] = 1;light[2] = 1;
+ VectorNormalize(light);
+ for (y = 0;y < PARTICLETEXTURESIZE;y++)
{
- dx = (x - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
- // shrink bubble width to half
- dx *= 2.0f;
- data[y][x][3] = shadebubble(dx, dy, light);
+ dy = (y - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
+ // stretch upper half of bubble by +50% and shrink lower half by -50%
+ // (this gives an elongated teardrop shape)
+ if (dy > 0.5f)
+ dy = (dy - 0.5f) * 2.0f;
+ else
+ dy = (dy - 0.5f) / 1.5f;
+ for (x = 0;x < PARTICLETEXTURESIZE;x++)
+ {
+ dx = (x - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
+ // shrink bubble width to half
+ dx *= 2.0f;
+ data[y][x][3] = shadebubble(dx, dy, light);
+ }
}
- }
- setuptex(tex_raindrop, &data[0][0][0], particletexturedata);
+ setuptex(tex_raindrop, &data[0][0][0], particletexturedata);
- // bubble
- memset(&data[0][0][0], 255, sizeof(data));
- light[0] = 1;light[1] = 1;light[2] = 1;
- VectorNormalize(light);
- for (y = 0;y < PARTICLETEXTURESIZE;y++)
- {
- dy = (y - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
- for (x = 0;x < PARTICLETEXTURESIZE;x++)
+ // bubble
+ memset(&data[0][0][0], 255, sizeof(data));
+ light[0] = 1;light[1] = 1;light[2] = 1;
+ VectorNormalize(light);
+ for (y = 0;y < PARTICLETEXTURESIZE;y++)
{
- dx = (x - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
- data[y][x][3] = shadebubble(dx, dy, light);
+ dy = (y - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
+ for (x = 0;x < PARTICLETEXTURESIZE;x++)
+ {
+ dx = (x - 0.5f*PARTICLETEXTURESIZE) / (PARTICLETEXTURESIZE*0.5f-1);
+ data[y][x][3] = shadebubble(dx, dy, light);
+ }
}
- }
- setuptex(tex_bubble, &data[0][0][0], particletexturedata);
+ setuptex(tex_bubble, &data[0][0][0], particletexturedata);
- // Blood particles and blood decals
- R_InitBloodTextures (particletexturedata);
+ // Blood particles and blood decals
+ R_InitBloodTextures (particletexturedata);
- // bullet decals
- for (i = 0;i < 8;i++)
- {
- memset(&data[0][0][0], 255, sizeof(data));
- for (k = 0;k < 12;k++)
- particletextureblotch(&data[0][0][0], PARTICLETEXTURESIZE/16, 0, 0, 0, 128);
- for (k = 0;k < 3;k++)
- particletextureblotch(&data[0][0][0], PARTICLETEXTURESIZE/2, 0, 0, 0, 160);
- //particletextureclamp(&data[0][0][0], 64, 64, 64, 255, 255, 255);
- particletextureinvert(&data[0][0][0]);
- setuptex(tex_bulletdecal[i], &data[0][0][0], particletexturedata);
- }
+ // bullet decals
+ for (i = 0;i < 8;i++)
+ {
+ memset(&data[0][0][0], 255, sizeof(data));
+ for (k = 0;k < 12;k++)
+ particletextureblotch(&data[0][0][0], PARTICLETEXTURESIZE/16, 0, 0, 0, 128);
+ for (k = 0;k < 3;k++)
+ particletextureblotch(&data[0][0][0], PARTICLETEXTURESIZE/2, 0, 0, 0, 160);
+ //particletextureclamp(&data[0][0][0], 64, 64, 64, 255, 255, 255);
+ particletextureinvert(&data[0][0][0]);
+ setuptex(tex_bulletdecal[i], &data[0][0][0], particletexturedata);
+ }
-#if 0
- Image_WriteTGARGBA ("particles/particlefont.tga", PARTICLEFONTSIZE, PARTICLEFONTSIZE, particletexturedata);
+#ifdef DUMPPARTICLEFONT
+ Image_WriteTGARGBA ("particles/particlefont.tga", PARTICLEFONTSIZE, PARTICLEFONTSIZE, particletexturedata);
#endif
- particlefonttexture = loadtextureimage(particletexturepool, "particles/particlefont.tga", 0, 0, false, TEXF_ALPHA | TEXF_PRECACHE);
- if (!particlefonttexture)
particlefonttexture = R_LoadTexture2D(particletexturepool, "particlefont", PARTICLEFONTSIZE, PARTICLEFONTSIZE, particletexturedata, TEXTYPE_RGBA, TEXF_ALPHA | TEXF_PRECACHE, NULL);
+
+ Mem_Free(particletexturedata);
+ }
for (i = 0;i < MAX_PARTICLETEXTURES;i++)
+ {
+ int basex = ((i >> 0) & 7) * PARTICLETEXTURESIZE;
+ int basey = ((i >> 3) & 7) * PARTICLETEXTURESIZE;
particletexture[i].texture = particlefonttexture;
+ particletexture[i].s1 = (basex + 1) / (float)PARTICLEFONTSIZE;
+ particletexture[i].t1 = (basey + 1) / (float)PARTICLEFONTSIZE;
+ particletexture[i].s2 = (basex + PARTICLETEXTURESIZE - 1) / (float)PARTICLEFONTSIZE;
+ particletexture[i].t2 = (basey + PARTICLETEXTURESIZE - 1) / (float)PARTICLEFONTSIZE;
+ }
- // nexbeam
- fractalnoise(&noise3[0][0], 64, 4);
- m = 0;
- for (y = 0;y < 64;y++)
+#ifndef DUMPPARTICLEFONT
+ particletexture[tex_beam].texture = loadtextureimage(particletexturepool, "particles/nexbeam.tga", 0, 0, false, TEXF_ALPHA | TEXF_PRECACHE);
+ if (!particletexture[tex_beam].texture)
+#endif
{
- dy = (y - 0.5f*64) / (64*0.5f-1);
- for (x = 0;x < 16;x++)
+ unsigned char noise3[64][64], data2[64][16][4];
+ // nexbeam
+ fractalnoise(&noise3[0][0], 64, 4);
+ m = 0;
+ for (y = 0;y < 64;y++)
{
- dx = (x - 0.5f*16) / (16*0.5f-2);
- d = (int)((1 - sqrt(fabs(dx))) * noise3[y][x]);
- data2[y][x][0] = data2[y][x][1] = data2[y][x][2] = (unsigned char) bound(0, d, 255);
- data2[y][x][3] = 255;
+ dy = (y - 0.5f*64) / (64*0.5f-1);
+ for (x = 0;x < 16;x++)
+ {
+ dx = (x - 0.5f*16) / (16*0.5f-2);
+ d = (int)((1 - sqrt(fabs(dx))) * noise3[y][x]);
+ data2[y][x][0] = data2[y][x][1] = data2[y][x][2] = (unsigned char) bound(0, d, 255);
+ data2[y][x][3] = 255;
+ }
}
- }
-#if 0
- Image_WriteTGARGBA ("particles/nexbeam.tga", 64, 64, &data2[0][0][0]);
+#ifdef DUMPPARTICLEFONT
+ Image_WriteTGARGBA ("particles/nexbeam.tga", 64, 64, &data2[0][0][0]);
#endif
-
- particletexture[tex_beam].texture = loadtextureimage(particletexturepool, "particles/nexbeam.tga", 0, 0, false, TEXF_ALPHA | TEXF_PRECACHE);
- if (!particletexture[tex_beam].texture)
particletexture[tex_beam].texture = R_LoadTexture2D(particletexturepool, "nexbeam", 16, 64, &data2[0][0][0], TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
+ }
particletexture[tex_beam].s1 = 0;
particletexture[tex_beam].t1 = 0;
particletexture[tex_beam].s2 = 1;
particletexture[tex_beam].t2 = 1;
- Mem_Free(particletexturedata);
}
static void r_part_start(void)
projects / xonotic / darkplaces.git / blobdiff