}
ptype_t;
+#define PARTICLE_INVALID 0
+#define PARTICLE_BILLBOARD 1
+#define PARTICLE_BEAM 2
+#define PARTICLE_ORIENTED_DOUBLESIDED 3
+
#define P_TEXNUM_FIRSTBIT 0
#define P_TEXNUM_BITS 6
#define P_ORIENTATION_FIRSTBIT (P_TEXNUM_FIRSTBIT + P_TEXNUM_BITS)
while(count--)
{
k = particlepalette[0x68 + (rand() & 7)];
- particle(pt_static, PARTICLE_BILLBOARD, k, k, tex_particle, false, true, 1, 1, lhrandom(64, 255), 512, 9999, 1, 0, org[0], org[1], org[2], lhrandom(-64, 64) + dir[0], lhrandom(-64, 64) + dir[1], lhrandom(0, 128) + dir[2], 0, 0, 0, 0, 0, 0);
+ particle(pt_static, PARTICLE_BEAM, k, k, tex_particle, false, true, 0.4f, 0.015f, lhrandom(64, 255), 512, 9999, 1, 0, org[0], org[1], org[2], lhrandom(-64, 64) + dir[0], lhrandom(-64, 64) + dir[1], lhrandom(0, 128) + dir[2], 0, 0, 0, 0, 0, 0);
}
}
}
while(count--)
{
k = particlepalette[colorbase + (rand()&3)];
- particle(pt_rain, PARTICLE_UPRIGHT_FACING, k, k, tex_particle, true, true, 0.5, 8, lhrandom(8, 16), 0, t, 0, 0, lhrandom(mins[0], maxs[0]), lhrandom(mins[1], maxs[1]), lhrandom(minz, maxz), dir[0], dir[1], dir[2], cl.time + 9999, dir[0], dir[1], dir[2], 0, 0);
+ particle(pt_rain, PARTICLE_BEAM, k, k, tex_particle, true, true, 0.5, 0.02, lhrandom(8, 16), 0, t, 0, 0, lhrandom(mins[0], maxs[0]), lhrandom(mins[1], maxs[1]), lhrandom(minz, maxz), dir[0], dir[1], dir[2], cl.time + 9999, dir[0], dir[1], dir[2], 0, 0);
}
break;
case 1:
void R_DrawParticleCallback(const void *calldata1, int calldata2)
{
int additive, texnum, orientation;
- float org[3], up2[3], right2[3], v[3], right[3], up[3], fog, ifog, fogvec[3], cr, cg, cb, ca;
+ float org[3], up2[3], v[3], right[3], up[3], fog, ifog, fogvec[3], cr, cg, cb, ca;
particletexture_t *tex;
rmeshstate_t m;
const particle_t *p = calldata1;
R_Mesh_Matrix(&r_identitymatrix);
R_Mesh_State(&m);
- if (orientation == PARTICLE_BILLBOARD)
- {
- VectorScale(vright, p->scalex, right);
- VectorScale(vup, p->scaley, up);
- }
- else if (orientation == PARTICLE_UPRIGHT_FACING)
- {
- v[0] = r_origin[0] - org[0];
- v[1] = r_origin[1] - org[1];
- v[2] = 0;
- VectorNormalizeFast(v);
- VectorVectors(v, right2, up2);
- VectorScale(right2, p->scalex, right);
- VectorScale(up2, p->scaley, up);
- }
- else if (orientation == PARTICLE_ORIENTED_DOUBLESIDED)
- {
- // double-sided
- if (DotProduct(p->vel2, r_origin) > DotProduct(p->vel2, org))
- {
- VectorNegate(p->vel2, v);
- VectorVectors(v, right, up);
- }
- else
- VectorVectors(p->vel2, right, up);
- VectorScale(right, p->scalex, right);
- VectorScale(up, p->scaley, up);
- }
- else
- Host_Error("R_DrawParticles: unknown particle orientation %i\n", orientation);
- varray_vertex[0] = org[0] - right[0] - up[0];
- varray_vertex[1] = org[1] - right[1] - up[1];
- varray_vertex[2] = org[2] - right[2] - up[2];
- varray_vertex[4] = org[0] - right[0] + up[0];
- varray_vertex[5] = org[1] - right[1] + up[1];
- varray_vertex[6] = org[2] - right[2] + up[2];
- varray_vertex[8] = org[0] + right[0] + up[0];
- varray_vertex[9] = org[1] + right[1] + up[1];
- varray_vertex[10] = org[2] + right[2] + up[2];
- varray_vertex[12] = org[0] + right[0] - up[0];
- varray_vertex[13] = org[1] + right[1] - up[1];
- varray_vertex[14] = org[2] + right[2] - up[2];
tex = &particletexture[texnum];
- varray_texcoord[0][0] = tex->s1;
- varray_texcoord[0][1] = tex->t1;
- varray_texcoord[0][2] = tex->s1;
- varray_texcoord[0][3] = tex->t2;
- varray_texcoord[0][4] = tex->s2;
- varray_texcoord[0][5] = tex->t2;
- varray_texcoord[0][6] = tex->s2;
- varray_texcoord[0][7] = tex->t1;
cr = p->color[0] * (1.0f / 255.0f);
cg = p->color[1] * (1.0f / 255.0f);
cb = p->color[2] * (1.0f / 255.0f);
cb += fogcolor[2] * fog;
}
}
- varray_color[0] = varray_color[4] = varray_color[8] = varray_color[12] = cr * r_colorscale;
- varray_color[1] = varray_color[5] = varray_color[9] = varray_color[13] = cg * r_colorscale;
- varray_color[2] = varray_color[6] = varray_color[10] = varray_color[14] = cb * r_colorscale;
- varray_color[3] = varray_color[7] = varray_color[11] = varray_color[15] = ca;
+ cr *= r_colorscale;
+ cg *= r_colorscale;
+ cb *= r_colorscale;
+
+ varray_color[ 0] = varray_color[ 4] = varray_color[ 8] = varray_color[12] = cr;
+ varray_color[ 1] = varray_color[ 5] = varray_color[ 9] = varray_color[13] = cg;
+ varray_color[ 2] = varray_color[ 6] = varray_color[10] = varray_color[14] = cb;
+ varray_color[ 3] = varray_color[ 7] = varray_color[11] = varray_color[15] = ca;
+ varray_texcoord[0][0] = tex->s2;varray_texcoord[0][1] = tex->t1;
+ varray_texcoord[0][2] = tex->s1;varray_texcoord[0][3] = tex->t1;
+ varray_texcoord[0][4] = tex->s1;varray_texcoord[0][5] = tex->t2;
+ varray_texcoord[0][6] = tex->s2;varray_texcoord[0][7] = tex->t2;
+
+ if (orientation == PARTICLE_BEAM)
+ {
+ VectorMA(p->org, -p->scaley, p->vel, v);
+ VectorMA(p->org, p->scaley, p->vel, up2);
+ R_CalcBeamVerts(varray_vertex, v, up2, p->scalex);
+ }
+ else if (orientation == PARTICLE_BILLBOARD)
+ {
+ VectorScale(vright, p->scalex, right);
+ VectorScale(vup, p->scaley, up);
+ varray_vertex[ 0] = org[0] + right[0] - up[0];
+ varray_vertex[ 1] = org[1] + right[1] - up[1];
+ varray_vertex[ 2] = org[2] + right[2] - up[2];
+ varray_vertex[ 4] = org[0] - right[0] - up[0];
+ varray_vertex[ 5] = org[1] - right[1] - up[1];
+ varray_vertex[ 6] = org[2] - right[2] - up[2];
+ varray_vertex[ 8] = org[0] - right[0] + up[0];
+ varray_vertex[ 9] = org[1] - right[1] + up[1];
+ varray_vertex[10] = org[2] - right[2] + up[2];
+ varray_vertex[12] = org[0] + right[0] + up[0];
+ varray_vertex[13] = org[1] + right[1] + up[1];
+ varray_vertex[14] = org[2] + right[2] + up[2];
+ }
+ else if (orientation == PARTICLE_ORIENTED_DOUBLESIDED)
+ {
+ // double-sided
+ if (DotProduct(p->vel2, r_origin) > DotProduct(p->vel2, org))
+ {
+ VectorNegate(p->vel2, v);
+ VectorVectors(v, right, up);
+ }
+ else
+ VectorVectors(p->vel2, right, up);
+ VectorScale(right, p->scalex, right);
+ VectorScale(up, p->scaley, up);
+ varray_vertex[ 0] = org[0] + right[0] - up[0];
+ varray_vertex[ 1] = org[1] + right[1] - up[1];
+ varray_vertex[ 2] = org[2] + right[2] - up[2];
+ varray_vertex[ 4] = org[0] - right[0] - up[0];
+ varray_vertex[ 5] = org[1] - right[1] - up[1];
+ varray_vertex[ 6] = org[2] - right[2] - up[2];
+ varray_vertex[ 8] = org[0] - right[0] + up[0];
+ varray_vertex[ 9] = org[1] - right[1] + up[1];
+ varray_vertex[10] = org[2] - right[2] + up[2];
+ varray_vertex[12] = org[0] + right[0] + up[0];
+ varray_vertex[13] = org[1] + right[1] + up[1];
+ varray_vertex[14] = org[2] + right[2] + up[2];
+ }
+ else
+ Host_Error("R_DrawParticles: unknown particle orientation %i\n", orientation);
R_Mesh_Draw(4, 2, polygonelements);
}