R_RegisterModule("R_Decals", r_decals_start, r_decals_shutdown, r_decals_newmap);
}
+/*
static int decalindexarray[2*3] =
{
0, 1, 2,
0, 2, 3,
};
+*/
void R_DrawDecals (void)
{
renderdecal_t *r;
int i, j, lightmapstep, ds, dt;
- float fscale, fr, fg, fb, dist, f, ifog, impact[3], v[3], org[3], dir[3], right[3], up[3], tvertex[4][5];
+ float fscale, fr, fg, fb, dist, f, fog, ifog, fogvec[3], impact[3], v[3], org[3], dir[3], right[3], up[3], tvxyz[4][4], tvst[4][2];
+ particletexture_t *tex, *texfog;
+ byte *lightmap;
+ msurface_t *surf;
+ rdlight_t *rd;
+ rmeshinfo_t m;
+
+ if (!r_drawdecals.integer)
+ return;
+
+ fog = 0;
+ ifog = 1;
+
+ Mod_CheckLoaded(cl.worldmodel);
+
+ // LordHavoc: this meshinfo must match up with R_Mesh_DrawDecal
+ // LordHavoc: the commented out lines are hardwired behavior in R_Mesh_DrawDecal
+ memset(&m, 0, sizeof(m));
+ m.blendfunc1 = GL_SRC_ALPHA;
+ m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
+ //m.numtriangles = 2;
+ //m.numverts = 4;
+ //m.index = decalindexarray;
+ m.vertex = &tvxyz[0][0];
+ //m.vertexstep = sizeof(float[4]);
+ m.tex[0] = R_GetTexture(particlefonttexture);
+ m.texcoords[0] = &tvst[0][0];
+ //m.texcoordstep[0] = sizeof(float[2]);
+
+ for (i = 0, r = r_refdef.decals;i < r_refdef.numdecals;i++, r++)
+ {
+ if (r->ent)
+ {
+ if (r->ent->visframe != r_framecount)
+ continue;
+
+ Mod_CheckLoaded(r->ent->model);
+ if (r->ent->model->type != mod_brush)
+ continue;
+
+ surf = r->ent->model->surfaces + r->surface;
+
+ // skip decals on surfaces that aren't visible in this frame
+ if (surf->visframe != r_framecount)
+ continue;
+
+ softwaretransformforentity(r->ent);
+ softwaretransform(r->org, org);
+ softwaretransformdirection(r->dir, dir);
+
+ // do not render if the view origin is behind the decal
+ VectorSubtract(org, r_origin, fogvec);
+ if (DotProduct(dir, fogvec) < 0)
+ continue;
+ }
+ else
+ {
+ surf = cl.worldmodel->surfaces + r->surface;
+
+ // skip decals on surfaces that aren't visible in this frame
+ if (surf->visframe != r_framecount)
+ continue;
+
+ // do not render if the view origin is behind the decal
+ VectorSubtract(r->org, r_origin, fogvec);
+ if (DotProduct(r->dir, fogvec) < 0)
+ continue;
+
+ VectorCopy(r->org, org);
+ VectorCopy(r->dir, dir);
+ }
+
+ dist = -PlaneDiff(r->org, surf->plane);
+ VectorMA(r->org, dist, surf->plane->normal, impact);
+
+ ds = (int) (DotProduct(impact, surf->texinfo->vecs[0]) + surf->texinfo->vecs[0][3]) - surf->texturemins[0];
+ dt = (int) (DotProduct(impact, surf->texinfo->vecs[1]) + surf->texinfo->vecs[1][3]) - surf->texturemins[1];
+
+ if (ds < 0 || dt < 0 || ds > surf->extents[0] || dt > surf->extents[1])
+ {
+ // this should never happen
+ continue;
+ }
+
+ tex = &particletexture[r->tex][0];
+ VectorVectors(dir, right, up);
+ VectorScale(right, r->scale, right);
+ VectorScale(up, r->scale, up);
+ tvxyz[0][0] = org[0] - right[0] - up[0];
+ tvxyz[0][1] = org[1] - right[1] - up[1];
+ tvxyz[0][2] = org[2] - right[2] - up[2];
+ tvxyz[1][0] = org[0] - right[0] + up[0];
+ tvxyz[1][1] = org[1] - right[1] + up[1];
+ tvxyz[1][2] = org[2] - right[2] + up[2];
+ tvxyz[2][0] = org[0] + right[0] + up[0];
+ tvxyz[2][1] = org[1] + right[1] + up[1];
+ tvxyz[2][2] = org[2] + right[2] + up[2];
+ tvxyz[3][0] = org[0] + right[0] - up[0];
+ tvxyz[3][1] = org[1] + right[1] - up[1];
+ tvxyz[3][2] = org[2] + right[2] - up[2];
+ tvst[0][0] = tex->s1;
+ tvst[0][1] = tex->t1;
+ tvst[1][0] = tex->s1;
+ tvst[1][1] = tex->t2;
+ tvst[2][0] = tex->s2;
+ tvst[2][1] = tex->t2;
+ tvst[3][0] = tex->s2;
+ tvst[3][1] = tex->t1;
+
+ // lighting
+ fr = fg = fb = 0.0f;
+
+ if ((lightmap = surf->samples))
+ {
+ if (surf->styles[0] != 255)
+ {
+ lightmap += ((dt >> 4) * ((surf->extents[0] >> 4) + 1) + (ds >> 4)) * 3;
+ fscale = d_lightstylevalue[surf->styles[0]] * (1.0f / 32768.0f);
+ fr += lightmap[0] * fscale;
+ fg += lightmap[1] * fscale;
+ fb += lightmap[2] * fscale;
+ if (surf->styles[1] != 255)
+ {
+ lightmapstep = (((surf->extents[0] >> 4) + 1) * ((surf->extents[1] >> 4) + 1)) * 3;
+ lightmap += lightmapstep;
+ fscale = d_lightstylevalue[surf->styles[1]] * (1.0f / 32768.0f);
+ fr += lightmap[0] * fscale;
+ fg += lightmap[1] * fscale;
+ fb += lightmap[2] * fscale;
+ if (surf->styles[2] != 255)
+ {
+ lightmap += lightmapstep;
+ fscale = d_lightstylevalue[surf->styles[2]] * (1.0f / 32768.0f);
+ fr += lightmap[0] * fscale;
+ fg += lightmap[1] * fscale;
+ fb += lightmap[2] * fscale;
+ if (surf->styles[3] != 255)
+ {
+ lightmap += lightmapstep;
+ fscale = d_lightstylevalue[surf->styles[3]] * (1.0f / 32768.0f);
+ fr += lightmap[0] * fscale;
+ fg += lightmap[1] * fscale;
+ fb += lightmap[2] * fscale;
+ }
+ }
+ }
+ }
+ }
+
+ if (surf->dlightframe == r_framecount)
+ {
+ for (j = 0;j < r_numdlights;j++)
+ {
+ if (surf->dlightbits[j >> 5] & (1 << (j & 31)))
+ {
+ rd = &r_dlight[j];
+ VectorSubtract(r->org, rd->origin, v);
+ dist = DotProduct(v, v) + LIGHTOFFSET;
+ if (dist < rd->cullradius2)
+ {
+ f = (1.0f / dist) - rd->lightsubtract;
+ if (f > 0)
+ {
+ fr += f * rd->light[0];
+ fg += f * rd->light[1];
+ fb += f * rd->light[2];
+ }
+ }
+ }
+ }
+ }
+
+ // if the surface is transparent, render as transparent
+ m.transparent = !(surf->flags & SURF_CLIPSOLID);
+ m.cr = r->color[0] * fr;
+ m.cg = r->color[1] * fg;
+ m.cb = r->color[2] * fb;
+ m.ca = r->color[3];
+
+ if (fogenabled)
+ {
+ fog = exp(fogdensity/DotProduct(fogvec,fogvec));
+ texfog = &particletexture[r->tex][1];
+ if (fog >= (1.0f / 64.0f))
+ {
+ if (fog >= (1.0f - (1.0f / 64.0f)))
+ {
+ // fully fogged, just use the fog texture and render as alpha
+ m.cr = fogcolor[0];
+ m.cg = fogcolor[1];
+ m.cb = fogcolor[2];
+ m.ca = r->color[3];
+ tvst[0][0] = texfog->s1;
+ tvst[0][1] = texfog->t1;
+ tvst[1][0] = texfog->s1;
+ tvst[1][1] = texfog->t2;
+ tvst[2][0] = texfog->s2;
+ tvst[2][1] = texfog->t2;
+ tvst[3][0] = texfog->s2;
+ tvst[3][1] = texfog->t1;
+ R_Mesh_DrawDecal(&m);
+ }
+ else
+ {
+ // partially fogged, darken the first pass
+ ifog = 1 - fog;
+ m.cr *= ifog;
+ m.cg *= ifog;
+ m.cb *= ifog;
+ if (tex->s1 == texfog->s1 && tex->t1 == texfog->t1)
+ {
+ // fog texture is the same as the base, just change the color
+ m.cr += fogcolor[0] * fog;
+ m.cg += fogcolor[1] * fog;
+ m.cb += fogcolor[2] * fog;
+ R_Mesh_DrawDecal(&m);
+ }
+ else
+ {
+ // render the first pass (alpha), then do additive fog
+ R_Mesh_DrawDecal(&m);
+ m.blendfunc2 = GL_ONE;
+ m.cr = fogcolor[0];
+ m.cg = fogcolor[1];
+ m.cb = fogcolor[2];
+ m.ca = r->color[3] * fog;
+ tvst[0][0] = texfog->s1;
+ tvst[0][1] = texfog->t1;
+ tvst[1][0] = texfog->s1;
+ tvst[1][1] = texfog->t2;
+ tvst[2][0] = texfog->s2;
+ tvst[2][1] = texfog->t2;
+ tvst[3][0] = texfog->s2;
+ tvst[3][1] = texfog->t1;
+ R_Mesh_DrawDecal(&m);
+ m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
+ }
+ }
+ }
+ else
+ R_Mesh_DrawDecal(&m);
+ }
+ else
+ R_Mesh_DrawDecal(&m);
+ }
+}
+
+/*
+void R_DrawDecals (void)
+{
+ renderdecal_t *r;
+ int i, j, lightmapstep, ds, dt;
+ float fscale, fr, fg, fb, dist, f, fog, ifog, impact[3], v[3], org[3], dir[3], right[3], up[3], tv[4][5];
particletexture_t *tex;
byte *lightmap;
msurface_t *surf;
m.numtriangles = 2;
m.numverts = 4;
m.index = decalindexarray;
- m.vertex = &tvertex[0][0];
+ m.vertex = &tv[0][0];
m.vertexstep = sizeof(float[5]);
m.tex[0] = R_GetTexture(particlefonttexture);
- m.texcoords[0] = &tvertex[0][3];
+ m.texcoords[0] = &tv[0][3];
m.texcoordstep[0] = sizeof(float[5]);
for (i = 0, r = r_refdef.decals;i < r_refdef.numdecals;i++, r++)
continue;
Mod_CheckLoaded(r->ent->model);
+ if (r->ent->model->type != mod_brush)
+ continue;
surf = r->ent->model->surfaces + r->surface;
}
if (fogenabled)
+ {
ifog = 1 - exp(fogdensity/DotProduct(v,v));
+ ifog = bound(0, ifog, 1);
+ }
tex = &particletexture[r->tex][0];
VectorVectors(dir, right, up);
VectorScale(right, r->scale, right);
VectorScale(up, r->scale, up);
- tvertex[0][0] = org[0] - right[0] - up[0];
- tvertex[0][1] = org[1] - right[1] - up[1];
- tvertex[0][2] = org[2] - right[2] - up[2];
- tvertex[0][3] = tex->s1;
- tvertex[0][4] = tex->t1;
- tvertex[1][0] = org[0] - right[0] + up[0];
- tvertex[1][1] = org[1] - right[1] + up[1];
- tvertex[1][2] = org[2] - right[2] + up[2];
- tvertex[1][3] = tex->s1;
- tvertex[1][4] = tex->t2;
- tvertex[2][0] = org[0] + right[0] + up[0];
- tvertex[2][1] = org[1] + right[1] + up[1];
- tvertex[2][2] = org[2] + right[2] + up[2];
- tvertex[2][3] = tex->s2;
- tvertex[2][4] = tex->t2;
- tvertex[3][0] = org[0] + right[0] - up[0];
- tvertex[3][1] = org[1] + right[1] - up[1];
- tvertex[3][2] = org[2] + right[2] - up[2];
- tvertex[3][3] = tex->s2;
- tvertex[3][4] = tex->t1;
+ tv[0][0] = org[0] - right[0] - up[0];
+ tv[0][1] = org[1] - right[1] - up[1];
+ tv[0][2] = org[2] - right[2] - up[2];
+ tv[0][3] = tex->s1;
+ tv[0][4] = tex->t1;
+ tv[1][0] = org[0] - right[0] + up[0];
+ tv[1][1] = org[1] - right[1] + up[1];
+ tv[1][2] = org[2] - right[2] + up[2];
+ tv[1][3] = tex->s1;
+ tv[1][4] = tex->t2;
+ tv[2][0] = org[0] + right[0] + up[0];
+ tv[2][1] = org[1] + right[1] + up[1];
+ tv[2][2] = org[2] + right[2] + up[2];
+ tv[2][3] = tex->s2;
+ tv[2][4] = tex->t2;
+ tv[3][0] = org[0] + right[0] - up[0];
+ tv[3][1] = org[1] + right[1] - up[1];
+ tv[3][2] = org[2] + right[2] - up[2];
+ tv[3][3] = tex->s2;
+ tv[3][4] = tex->t1;
// lighting
fr = fg = fb = 0.0f;
m.cb *= ifog;
}
- R_Mesh_Draw(&m);
+ R_Mesh_DrawDecal(&m);
}
if (!fogenabled)
VectorCopy(r->dir, dir);
}
- m.ca = r->color[3] * exp(fogdensity/DotProduct(v,v));
+ fog = exp(fogdensity/DotProduct(v,v));
+ fog = bound(0, fog, 1);
+ m.ca = r->color[3] * fog;
if (m.ca >= 0.01f)
{
VectorVectors(dir, right, up);
VectorScale(right, r->scale, right);
VectorScale(up, r->scale, up);
- tvertex[0][0] = org[0] - right[0] - up[0];
- tvertex[0][1] = org[1] - right[1] - up[1];
- tvertex[0][2] = org[2] - right[2] - up[2];
- tvertex[0][3] = tex->s1;
- tvertex[0][4] = tex->t1;
- tvertex[1][0] = org[0] - right[0] + up[0];
- tvertex[1][1] = org[1] - right[1] + up[1];
- tvertex[1][2] = org[2] - right[2] + up[2];
- tvertex[1][3] = tex->s1;
- tvertex[1][4] = tex->t2;
- tvertex[2][0] = org[0] + right[0] + up[0];
- tvertex[2][1] = org[1] + right[1] + up[1];
- tvertex[2][2] = org[2] + right[2] + up[2];
- tvertex[2][3] = tex->s2;
- tvertex[2][4] = tex->t2;
- tvertex[3][0] = org[0] + right[0] - up[0];
- tvertex[3][1] = org[1] + right[1] - up[1];
- tvertex[3][2] = org[2] + right[2] - up[2];
- tvertex[3][3] = tex->s2;
- tvertex[3][4] = tex->t1;
+ tv[0][0] = org[0] - right[0] - up[0];
+ tv[0][1] = org[1] - right[1] - up[1];
+ tv[0][2] = org[2] - right[2] - up[2];
+ tv[0][3] = tex->s1;
+ tv[0][4] = tex->t1;
+ tv[1][0] = org[0] - right[0] + up[0];
+ tv[1][1] = org[1] - right[1] + up[1];
+ tv[1][2] = org[2] - right[2] + up[2];
+ tv[1][3] = tex->s1;
+ tv[1][4] = tex->t2;
+ tv[2][0] = org[0] + right[0] + up[0];
+ tv[2][1] = org[1] + right[1] + up[1];
+ tv[2][2] = org[2] + right[2] + up[2];
+ tv[2][3] = tex->s2;
+ tv[2][4] = tex->t2;
+ tv[3][0] = org[0] + right[0] - up[0];
+ tv[3][1] = org[1] + right[1] - up[1];
+ tv[3][2] = org[2] + right[2] - up[2];
+ tv[3][3] = tex->s2;
+ tv[3][4] = tex->t1;
// if the surface is transparent, render as transparent
m.transparent = !(surf->flags & SURF_CLIPSOLID);
- R_Mesh_Draw(&m);
+ R_Mesh_DrawDecal(&m);
}
}
}
-
+*/
projects / xonotic / darkplaces.git / blobdiff