X-Git-Url: http://de.git.xonotic.org/?a=blobdiff_plain;f=r_light.c;h=3510db724886b3ac8da1af71b6b4accadd26ac79;hb=34095f2249f53ba2a4db8d084f9c76a3fc38d6ce;hp=395c68c6dbe04f4b7b2f1b88124edd6bae4dc314;hpb=83b77bee53d11d3e694f34e242e15cacdce188cd;p=xonotic%2Fdarkplaces.git diff --git a/r_light.c b/r_light.c index 395c68c6..3510db72 100644 --- a/r_light.c +++ b/r_light.c @@ -20,465 +20,113 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // r_light.c #include "quakedef.h" +#include "cl_collision.h" +#include "r_shadow.h" -rdlight_t r_dlight[MAX_DLIGHTS]; -int r_numdlights = 0; +cvar_t r_coronas = {CVAR_SAVE, "r_coronas", "1", "brightness of corona flare effects around certain lights, 0 disables corona effects"}; +cvar_t gl_flashblend = {CVAR_SAVE, "gl_flashblend", "0", "render bright coronas for dynamic lights instead of actual lighting, fast but ugly"}; -cvar_t r_lightmodels = {CVAR_SAVE, "r_lightmodels", "1"}; -cvar_t r_vismarklights = {0, "r_vismarklights", "1"}; -cvar_t r_lightmodelhardness = {CVAR_SAVE, "r_lightmodelhardness", "0.9"}; +static rtexture_t *lightcorona; +static rtexturepool_t *lighttexturepool; void r_light_start(void) { + float dx, dy; + int x, y, a; + unsigned char pixels[32][32][4]; + lighttexturepool = R_AllocTexturePool(); + for (y = 0;y < 32;y++) + { + dy = (y - 15.5f) * (1.0f / 16.0f); + for (x = 0;x < 32;x++) + { + dx = (x - 15.5f) * (1.0f / 16.0f); + a = (int)(((1.0f / (dx * dx + dy * dy + 0.2f)) - (1.0f / (1.0f + 0.2))) * 32.0f / (1.0f / (1.0f + 0.2))); + a = bound(0, a, 255); + pixels[y][x][0] = a; + pixels[y][x][1] = a; + pixels[y][x][2] = a; + pixels[y][x][3] = 255; + } + } + lightcorona = R_LoadTexture2D(lighttexturepool, "lightcorona", 32, 32, &pixels[0][0][0], TEXTYPE_RGBA, TEXF_PRECACHE, NULL); } void r_light_shutdown(void) { + lighttexturepool = NULL; + lightcorona = NULL; } void r_light_newmap(void) { + int i; + for (i = 0;i < MAX_LIGHTSTYLES;i++) + r_refdef.lightstylevalue[i] = 264; // normal light value } void R_Light_Init(void) { - Cvar_RegisterVariable(&r_lightmodels); - Cvar_RegisterVariable(&r_lightmodelhardness); - Cvar_RegisterVariable(&r_vismarklights); + Cvar_RegisterVariable(&r_coronas); + Cvar_RegisterVariable(&gl_flashblend); R_RegisterModule("R_Light", r_light_start, r_light_shutdown, r_light_newmap); } -/* -================== -R_AnimateLight -================== -*/ -void R_AnimateLight (void) -{ - int i, j, k; - -// -// light animations -// 'm' is normal light, 'a' is no light, 'z' is double bright - i = (int)(cl.time * 10); - for (j = 0;j < MAX_LIGHTSTYLES;j++) - { - if (!cl_lightstyle[j].length) - { - d_lightstylevalue[j] = 256; - continue; - } - k = i % cl_lightstyle[j].length; - k = cl_lightstyle[j].map[k] - 'a'; - k = k*22; - d_lightstylevalue[j] = k; - } -} - - -void R_BuildLightList(void) +void R_DrawCoronas(void) { - int i; - dlight_t *cd; - rdlight_t *rd; - - r_numdlights = 0; - c_dlights = 0; - - if (!r_dynamic.integer) + int i, lnum, flag; + float cscale, scale; + dlight_t *light; + rtlight_t *rtlight; + if (r_coronas.value < (1.0f / 256.0f) && !gl_flashblend.integer) return; - - for (i = 0;i < MAX_DLIGHTS;i++) + R_Mesh_Matrix(&identitymatrix); + flag = r_refdef.rtworld ? LIGHTFLAG_REALTIMEMODE : LIGHTFLAG_NORMALMODE; + // FIXME: these traces should scan all render entities instead of cl.world + for (lnum = 0, light = r_shadow_worldlightchain;light;light = light->next, lnum++) { - cd = cl_dlights + i; - if (cd->radius <= 0) + rtlight = &light->rtlight; + if (!(rtlight->flags & flag)) continue; - rd = &r_dlight[r_numdlights++]; - VectorCopy(cd->origin, rd->origin); - VectorScale(cd->color, cd->radius * 256.0f, rd->light); - rd->cullradius = (1.0f / 256.0f) * sqrt(DotProduct(rd->light, rd->light)); - // clamp radius to avoid overflowing division table in lightmap code - if (rd->cullradius > 2048.0f) - rd->cullradius = 2048.0f; - rd->cullradius2 = rd->cullradius * rd->cullradius; - rd->lightsubtract = 1.0f / rd->cullradius2; - rd->ent = cd->ent; - r_numdlights++; - c_dlights++; // count every dlight in use - } -} - -/* -============================================================================= - -DYNAMIC LIGHTS - -============================================================================= -*/ - -/* -============= -R_MarkLights -============= -*/ -static void R_OldMarkLights (vec3_t lightorigin, rdlight_t *rd, int bit, int bitindex, mnode_t *node) -{ - float ndist, maxdist; - msurface_t *surf; - mleaf_t *leaf; - int i; - - if (!r_dynamic.integer) - return; - - // for comparisons to minimum acceptable light - maxdist = rd->cullradius2; - -loc0: - if (node->contents < 0) - { - if (node->contents != CONTENTS_SOLID) - { - leaf = (mleaf_t *)node; - if (leaf->dlightframe != r_framecount) // not dynamic until now - { - leaf->dlightbits[0] = leaf->dlightbits[1] = leaf->dlightbits[2] = leaf->dlightbits[3] = leaf->dlightbits[4] = leaf->dlightbits[5] = leaf->dlightbits[6] = leaf->dlightbits[7] = 0; - leaf->dlightframe = r_framecount; - } - leaf->dlightbits[bitindex] |= bit; - } - return; - } - - ndist = PlaneDiff(lightorigin, node->plane); - - if (ndist > rd->cullradius) - { - node = node->children[0]; - goto loc0; - } - if (ndist < -rd->cullradius) - { - node = node->children[1]; - goto loc0; - } - -// mark the polygons - surf = cl.worldmodel->surfaces + node->firstsurface; - for (i=0 ; inumsurfaces ; i++, surf++) - { - int d, impacts, impactt; - float dist, dist2, impact[3]; - if (surf->visframe != r_framecount) + if (rtlight->corona * r_coronas.value <= 0) continue; - dist = ndist; - if (surf->flags & SURF_PLANEBACK) - dist = -dist; - - if (dist < -0.25f && !(surf->flags & SURF_LIGHTBOTHSIDES)) + if (r_shadow_debuglight.integer >= 0 && r_shadow_debuglight.integer != lnum) continue; - - dist2 = dist * dist; - if (dist2 >= maxdist) + cscale = rtlight->corona * r_coronas.value* 0.25f; + scale = rtlight->radius * rtlight->coronasizescale; + if (VectorDistance2(rtlight->shadoworigin, r_view.origin) < 16.0f * 16.0f) continue; - - impact[0] = rd->origin[0] - surf->plane->normal[0] * dist; - impact[1] = rd->origin[1] - surf->plane->normal[1] * dist; - impact[2] = rd->origin[2] - surf->plane->normal[2] * dist; - - impacts = DotProduct (impact, surf->texinfo->vecs[0]) + surf->texinfo->vecs[0][3] - surf->texturemins[0]; - - d = bound(0, impacts, surf->extents[0] + 16) - impacts; - dist2 += d * d; - if (dist2 > maxdist) + if (CL_Move(rtlight->shadoworigin, vec3_origin, vec3_origin, r_view.origin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false).fraction < 1) continue; - - impactt = DotProduct (impact, surf->texinfo->vecs[1]) + surf->texinfo->vecs[1][3] - surf->texturemins[1]; - - d = bound(0, impactt, surf->extents[1] + 16) - impactt; - dist2 += d * d; - if (dist2 > maxdist) - continue; - - - /* - d = DotProduct (impact, surf->texinfo->vecs[0]) + surf->texinfo->vecs[0][3] - surf->texturemins[0]; - - if (d < 0) - { - dist2 += d * d; - if (dist2 >= maxdist) - continue; - } - else - { - d -= surf->extents[0] + 16; - if (d > 0) - { - dist2 += d * d; - if (dist2 >= maxdist) - continue; - } - } - - d = DotProduct (impact, surf->texinfo->vecs[1]) + surf->texinfo->vecs[1][3] - surf->texturemins[1]; - - if (d < 0) - { - dist2 += d * d; - if (dist2 >= maxdist) - continue; - } - else - { - d -= surf->extents[1] + 16; - if (d > 0) - { - dist2 += d * d; - if (dist2 >= maxdist) - continue; - } - } - */ - - if (surf->dlightframe != r_framecount) // not dynamic until now - { - surf->dlightbits[0] = surf->dlightbits[1] = surf->dlightbits[2] = surf->dlightbits[3] = surf->dlightbits[4] = surf->dlightbits[5] = surf->dlightbits[6] = surf->dlightbits[7] = 0; - surf->dlightframe = r_framecount; - } - surf->dlightbits[bitindex] |= bit; - - /* - if (((surf->flags & SURF_PLANEBACK) == 0) == ((PlaneDist(lightorigin, surf->plane)) >= surf->plane->dist)) - { - if (surf->dlightframe != r_framecount) // not dynamic until now - { - surf->dlightbits[0] = surf->dlightbits[1] = surf->dlightbits[2] = surf->dlightbits[3] = surf->dlightbits[4] = surf->dlightbits[5] = surf->dlightbits[6] = surf->dlightbits[7] = 0; - surf->dlightframe = r_framecount; - } - surf->dlightbits[bitindex] |= bit; - } - */ + R_DrawSprite(GL_ONE, GL_ONE, lightcorona, NULL, true, false, rtlight->shadoworigin, r_view.right, r_view.up, scale, -scale, -scale, scale, rtlight->color[0] * cscale, rtlight->color[1] * cscale, rtlight->color[2] * cscale, 1); } - - if (node->children[0]->contents >= 0) + for (i = 0;i < r_refdef.numlights;i++) { - if (node->children[1]->contents >= 0) + rtlight = &r_refdef.lights[i]; + if (!(rtlight->flags & flag)) + continue; + if (rtlight->corona <= 0) + continue; + if (VectorDistance2(rtlight->shadoworigin, r_view.origin) < 32.0f * 32.0f) + continue; + if (gl_flashblend.integer) { - R_OldMarkLights (lightorigin, rd, bit, bitindex, node->children[0]); - node = node->children[1]; - goto loc0; + cscale = rtlight->corona * 1.0f; + scale = rtlight->radius * rtlight->coronasizescale * 2.0f; } else { - node = node->children[0]; - goto loc0; + cscale = rtlight->corona * r_coronas.value* 0.25f; + scale = rtlight->radius * rtlight->coronasizescale; } - } - else if (node->children[1]->contents >= 0) - { - node = node->children[1]; - goto loc0; - } -} - -/* -static void R_NoVisMarkLights (rdlight_t *rd, int bit, int bitindex) -{ - vec3_t lightorigin; - softwareuntransform(rd->origin, lightorigin); - - R_OldMarkLights(lightorigin, rd, bit, bitindex, currentrenderentity->model->nodes + currentrenderentity->model->hulls[0].firstclipnode); -} -*/ - -static void R_VisMarkLights (rdlight_t *rd, int bit, int bitindex) -{ - static int lightframe = 0; - mleaf_t *pvsleaf; - vec3_t lightorigin; - model_t *model; - int i, k, m, c, leafnum; - msurface_t *surf, **mark; - mleaf_t *leaf; - byte *in; - int row; - float low[3], high[3], dist, maxdist; - - if (!r_dynamic.integer) - return; - - model = currentrenderentity->model; - softwareuntransform(rd->origin, lightorigin); - - if (!r_vismarklights.integer) - { - R_OldMarkLights(lightorigin, rd, bit, bitindex, model->nodes + model->hulls[0].firstclipnode); - return; - } - - pvsleaf = Mod_PointInLeaf (lightorigin, model); - if (pvsleaf == NULL) - { - Con_Printf("R_VisMarkLights: NULL leaf??\n"); - R_OldMarkLights(lightorigin, rd, bit, bitindex, model->nodes + model->hulls[0].firstclipnode); - return; - } - - in = pvsleaf->compressed_vis; - if (!in) - { - // no vis info, so make all visible - R_OldMarkLights(lightorigin, rd, bit, bitindex, model->nodes + model->hulls[0].firstclipnode); - return; - } - - lightframe++; - - low[0] = lightorigin[0] - rd->cullradius;low[1] = lightorigin[1] - rd->cullradius;low[2] = lightorigin[2] - rd->cullradius; - high[0] = lightorigin[0] + rd->cullradius;high[1] = lightorigin[1] + rd->cullradius;high[2] = lightorigin[2] + rd->cullradius; - - // for comparisons to minimum acceptable light - maxdist = rd->cullradius2; - - row = (model->numleafs+7)>>3; - - k = 0; - while (k < row) - { - c = *in++; - if (c) - { - for (i = 0;i < 8;i++) - { - if (c & (1< model->numleafs) - return; - leaf = &model->leafs[leafnum]; - if (leaf->visframe != r_framecount - || leaf->contents == CONTENTS_SOLID - || leaf->mins[0] > high[0] || leaf->maxs[0] < low[0] - || leaf->mins[1] > high[1] || leaf->maxs[1] < low[1] - || leaf->mins[2] > high[2] || leaf->maxs[2] < low[2]) - continue; - if (leaf->dlightframe != r_framecount) - { - // not dynamic until now - leaf->dlightbits[0] = leaf->dlightbits[1] = leaf->dlightbits[2] = leaf->dlightbits[3] = leaf->dlightbits[4] = leaf->dlightbits[5] = leaf->dlightbits[6] = leaf->dlightbits[7] = 0; - leaf->dlightframe = r_framecount; - } - leaf->dlightbits[bitindex] |= bit; - if ((m = leaf->nummarksurfaces)) - { - mark = leaf->firstmarksurface; - do - { - surf = *mark++; - // if not visible in current frame, or already marked because it was in another leaf we passed, skip - if (surf->lightframe == lightframe) - continue; - surf->lightframe = lightframe; - if (surf->visframe != r_framecount) - continue; - dist = PlaneDiff(lightorigin, surf->plane); - if (surf->flags & SURF_PLANEBACK) - dist = -dist; - // LordHavoc: make sure it is infront of the surface and not too far away - if (dist < rd->cullradius && (dist > -0.25f || ((surf->flags & SURF_LIGHTBOTHSIDES) && dist > -rd->cullradius))) - { - int d; - int impacts, impactt; - float dist2, impact[3]; - - dist2 = dist * dist; - - impact[0] = rd->origin[0] - surf->plane->normal[0] * dist; - impact[1] = rd->origin[1] - surf->plane->normal[1] * dist; - impact[2] = rd->origin[2] - surf->plane->normal[2] * dist; - -#if 0 - d = DotProduct (impact, surf->texinfo->vecs[0]) + surf->texinfo->vecs[0][3] - surf->texturemins[0]; - if (d < 0) - { - dist2 += d * d; - if (dist2 > maxdist) - continue; - } - else - { - d -= surf->extents[0]; - if (d < 0) - { - dist2 += d * d; - if (dist2 > maxdist) - continue; - } - } - - d = DotProduct (impact, surf->texinfo->vecs[1]) + surf->texinfo->vecs[1][3] - surf->texturemins[1]; - if (d < 0) - { - dist2 += d * d; - if (dist2 > maxdist) - continue; - } - else - { - d -= surf->extents[1]; - if (d < 0) - { - dist2 += d * d; - if (dist2 > maxdist) - continue; - } - } - -#else - - impacts = DotProduct (impact, surf->texinfo->vecs[0]) + surf->texinfo->vecs[0][3] - surf->texturemins[0]; - d = bound(0, impacts, surf->extents[0] + 16) - impacts; - dist2 += d * d; - if (dist2 > maxdist) - continue; - - impactt = DotProduct (impact, surf->texinfo->vecs[1]) + surf->texinfo->vecs[1][3] - surf->texturemins[1]; - d = bound(0, impactt, surf->extents[1] + 16) - impactt; - dist2 += d * d; - if (dist2 > maxdist) - continue; - -#endif - - if (surf->dlightframe != r_framecount) // not dynamic until now - { - surf->dlightbits[0] = surf->dlightbits[1] = surf->dlightbits[2] = surf->dlightbits[3] = surf->dlightbits[4] = surf->dlightbits[5] = surf->dlightbits[6] = surf->dlightbits[7] = 0; - surf->dlightframe = r_framecount; - } - surf->dlightbits[bitindex] |= bit; - } - } - while (--m); - } - } - } - k++; + if (VectorLength(rtlight->color) * cscale < (1.0f / 256.0f)) continue; - } - - k += *in++; + if (CL_Move(rtlight->shadoworigin, vec3_origin, vec3_origin, r_view.origin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false).fraction < 1) + continue; + R_DrawSprite(GL_ONE, GL_ONE, lightcorona, NULL, true, false, rtlight->shadoworigin, r_view.right, r_view.up, scale, -scale, -scale, scale, rtlight->color[0] * cscale, rtlight->color[1] * cscale, rtlight->color[2] * cscale, 1); } } -void R_MarkLights(void) -{ - int i; - for (i = 0;i < r_numdlights;i++) - R_VisMarkLights (r_dlight + i, 1 << (i & 31), i >> 5); -} - /* ============================================================================= @@ -487,354 +135,31 @@ LIGHT SAMPLING ============================================================================= */ -static int RecursiveLightPoint (vec3_t color, mnode_t *node, float x, float y, float startz, float endz) -{ - int side, distz = endz - startz; - float front, back; - float mid; - -loc0: - if (node->contents < 0) - return false; // didn't hit anything - - switch (node->plane->type) - { - case PLANE_X: - node = node->children[x < node->plane->dist]; - goto loc0; - case PLANE_Y: - node = node->children[y < node->plane->dist]; - goto loc0; - case PLANE_Z: - side = startz < node->plane->dist; - if ((endz < node->plane->dist) == side) - { - node = node->children[side]; - goto loc0; - } - // found an intersection -// mid = startz + (endz - startz) * (startz - node->plane->dist) / (startz - endz); -// mid = startz + distz * (startz - node->plane->dist) / (-distz); -// mid = startz + (-(startz - node->plane->dist)); -// mid = startz - (startz - node->plane->dist); -// mid = startz + node->plane->dist - startz; - mid = node->plane->dist; - break; - default: - back = front = x * node->plane->normal[0] + y * node->plane->normal[1]; - front += startz * node->plane->normal[2]; - back += endz * node->plane->normal[2]; - side = front < node->plane->dist; - if ((back < node->plane->dist) == side) - { - node = node->children[side]; - goto loc0; - } - // found an intersection -// mid = startz + (endz - startz) * ((front - node->plane->dist) / ((front - node->plane->dist) - (back - node->plane->dist))); -// mid = startz + (endz - startz) * ((front - node->plane->dist) / (front - back)); - mid = startz + distz * (front - node->plane->dist) / (front - back); - break; - } - - // go down front side - if (node->children[side]->contents >= 0 && RecursiveLightPoint (color, node->children[side], x, y, startz, mid)) - return true; // hit something - else - { - // check for impact on this node - if (node->numsurfaces) - { - int i, ds, dt; - msurface_t *surf; - - surf = cl.worldmodel->surfaces + node->firstsurface; - for (i = 0;i < node->numsurfaces;i++, surf++) - { - if (!(surf->flags & SURF_LIGHTMAP)) - continue; // no lightmaps - - ds = (int) (x * surf->texinfo->vecs[0][0] + y * surf->texinfo->vecs[0][1] + mid * surf->texinfo->vecs[0][2] + surf->texinfo->vecs[0][3]); - dt = (int) (x * surf->texinfo->vecs[1][0] + y * surf->texinfo->vecs[1][1] + mid * surf->texinfo->vecs[1][2] + surf->texinfo->vecs[1][3]); - - if (ds < surf->texturemins[0] || dt < surf->texturemins[1]) - continue; - - ds -= surf->texturemins[0]; - dt -= surf->texturemins[1]; - - if (ds > surf->extents[0] || dt > surf->extents[1]) - continue; - - if (surf->samples) - { - byte *lightmap; - int maps, line3, size3, dsfrac = ds & 15, dtfrac = dt & 15, scale = 0, r00 = 0, g00 = 0, b00 = 0, r01 = 0, g01 = 0, b01 = 0, r10 = 0, g10 = 0, b10 = 0, r11 = 0, g11 = 0, b11 = 0; - line3 = ((surf->extents[0]>>4)+1)*3; - size3 = ((surf->extents[0]>>4)+1) * ((surf->extents[1]>>4)+1)*3; // LordHavoc: *3 for colored lighting - - lightmap = surf->samples + ((dt>>4) * ((surf->extents[0]>>4)+1) + (ds>>4))*3; // LordHavoc: *3 for color - - for (maps = 0;maps < MAXLIGHTMAPS && surf->styles[maps] != 255;maps++) - { - scale = d_lightstylevalue[surf->styles[maps]]; - r00 += lightmap[ 0] * scale;g00 += lightmap[ 1] * scale;b00 += lightmap[ 2] * scale; - r01 += lightmap[ 3] * scale;g01 += lightmap[ 4] * scale;b01 += lightmap[ 5] * scale; - r10 += lightmap[line3+0] * scale;g10 += lightmap[line3+1] * scale;b10 += lightmap[line3+2] * scale; - r11 += lightmap[line3+3] * scale;g11 += lightmap[line3+4] * scale;b11 += lightmap[line3+5] * scale; - lightmap += size3; - } - - /* - // LordHavoc: here's the readable version of the interpolation - // code, not quite as easy for the compiler to optimize... - - // dsfrac is the X position in the lightmap pixel, * 16 - // dtfrac is the Y position in the lightmap pixel, * 16 - // r00 is top left corner, r01 is top right corner - // r10 is bottom left corner, r11 is bottom right corner - // g and b are the same layout. - // r0 and r1 are the top and bottom intermediate results - - // first we interpolate the top two points, to get the top - // edge sample - r0 = (((r01-r00) * dsfrac) >> 4) + r00; - g0 = (((g01-g00) * dsfrac) >> 4) + g00; - b0 = (((b01-b00) * dsfrac) >> 4) + b00; - // then we interpolate the bottom two points, to get the - // bottom edge sample - r1 = (((r11-r10) * dsfrac) >> 4) + r10; - g1 = (((g11-g10) * dsfrac) >> 4) + g10; - b1 = (((b11-b10) * dsfrac) >> 4) + b10; - // then we interpolate the top and bottom samples to get the - // middle sample (the one which was requested) - r = (((r1-r0) * dtfrac) >> 4) + r0; - g = (((g1-g0) * dtfrac) >> 4) + g0; - b = (((b1-b0) * dtfrac) >> 4) + b0; - */ - - color[0] += (float) ((((((((r11-r10) * dsfrac) >> 4) + r10)-((((r01-r00) * dsfrac) >> 4) + r00)) * dtfrac) >> 4) + ((((r01-r00) * dsfrac) >> 4) + r00)) * (1.0f / 32768.0f); - color[1] += (float) ((((((((g11-g10) * dsfrac) >> 4) + g10)-((((g01-g00) * dsfrac) >> 4) + g00)) * dtfrac) >> 4) + ((((g01-g00) * dsfrac) >> 4) + g00)) * (1.0f / 32768.0f); - color[2] += (float) ((((((((b11-b10) * dsfrac) >> 4) + b10)-((((b01-b00) * dsfrac) >> 4) + b00)) * dtfrac) >> 4) + ((((b01-b00) * dsfrac) >> 4) + b00)) * (1.0f / 32768.0f); - } - return true; // success - } - } - - // go down back side - node = node->children[side ^ 1]; - startz = mid; - distz = endz - startz; - goto loc0; -// return RecursiveLightPoint (color, node->children[side ^ 1], x, y, mid, endz); - } -} - -void R_CompleteLightPoint (vec3_t color, vec3_t p, int dynamic, mleaf_t *leaf) +void R_CompleteLightPoint(vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal, const vec3_t p, int dynamic) { - int i, *dlightbits; - vec3_t dist; - float f; - rdlight_t *rd; - if (leaf == NULL) - leaf = Mod_PointInLeaf(p, cl.worldmodel); - - if (leaf->contents == CONTENTS_SOLID) - { - color[0] = color[1] = color[2] = 0; - return; - } + VectorClear(diffusecolor); + VectorClear(diffusenormal); - if (r_fullbright.integer || !cl.worldmodel->lightdata) + if (!r_fullbright.integer && r_refdef.worldmodel && r_refdef.worldmodel->brush.LightPoint) { - color[0] = color[1] = color[2] = 2; - return; - } - - color[0] = color[1] = color[2] = r_ambient.value * (2.0f / 128.0f); - RecursiveLightPoint (color, cl.worldmodel->nodes, p[0], p[1], p[2], p[2] - 65536); - - if (dynamic && leaf->dlightframe == r_framecount) - { - dlightbits = leaf->dlightbits; - for (i = 0;i < r_numdlights;i++) - { - if (!(dlightbits[i >> 5] & (1 << (i & 31)))) - continue; - rd = r_dlight + i; - VectorSubtract (p, rd->origin, dist); - f = DotProduct(dist, dist) + LIGHTOFFSET; - if (f < rd->cullradius2) - { - f = (1.0f / f) - rd->lightsubtract; - if (f > 0) - VectorMA(color, f, rd->light, color); - } - } - } -} - -void R_ModelLightPoint (vec3_t color, vec3_t p, int *dlightbits) -{ - mleaf_t *leaf; - leaf = Mod_PointInLeaf(p, cl.worldmodel); - if (leaf->contents == CONTENTS_SOLID) - { - color[0] = color[1] = color[2] = 0; - dlightbits[0] = dlightbits[1] = dlightbits[2] = dlightbits[3] = dlightbits[4] = dlightbits[5] = dlightbits[6] = dlightbits[7] = 0; - return; - } - - if (r_fullbright.integer || !cl.worldmodel->lightdata) - { - color[0] = color[1] = color[2] = 2; - dlightbits[0] = dlightbits[1] = dlightbits[2] = dlightbits[3] = dlightbits[4] = dlightbits[5] = dlightbits[6] = dlightbits[7] = 0; - return; - } - - color[0] = color[1] = color[2] = r_ambient.value * (2.0f / 128.0f); - RecursiveLightPoint (color, cl.worldmodel->nodes, p[0], p[1], p[2], p[2] - 65536); - - if (leaf->dlightframe == r_framecount) - { - dlightbits[0] = leaf->dlightbits[0]; - dlightbits[1] = leaf->dlightbits[1]; - dlightbits[2] = leaf->dlightbits[2]; - dlightbits[3] = leaf->dlightbits[3]; - dlightbits[4] = leaf->dlightbits[4]; - dlightbits[5] = leaf->dlightbits[5]; - dlightbits[6] = leaf->dlightbits[6]; - dlightbits[7] = leaf->dlightbits[7]; + ambientcolor[0] = ambientcolor[1] = ambientcolor[2] = r_ambient.value * (2.0f / 128.0f); + r_refdef.worldmodel->brush.LightPoint(r_refdef.worldmodel, p, ambientcolor, diffusecolor, diffusenormal); } else - dlightbits[0] = dlightbits[1] = dlightbits[2] = dlightbits[3] = dlightbits[4] = dlightbits[5] = dlightbits[6] = dlightbits[7] = 0; -} + VectorSet(ambientcolor, 1, 1, 1); -void R_LightModel(int numverts) -{ - int i, j, nearlights = 0; - float color[3], basecolor[3], v[3], t, *av, *avn, *avc, a, number, f, hardness, hardnessoffset, dist2; - struct - { - vec3_t origin; - vec_t cullradius2; - vec3_t light; - vec_t lightsubtract; - } - nearlight[MAX_DLIGHTS], *nl; - int modeldlightbits[8]; - //staticlight_t *sl; - a = currentrenderentity->alpha; - if (currentrenderentity->effects & EF_FULLBRIGHT) - basecolor[0] = basecolor[1] = basecolor[2] = 1; - else - { - if (r_lightmodels.integer) - { - R_ModelLightPoint(basecolor, currentrenderentity->origin, modeldlightbits); - - nl = &nearlight[0]; - /* - // this code is unused for now - for (i = 0, sl = staticlight;i < staticlights && nearlights < MAX_DLIGHTS;i++, sl++) - { - if (TraceLine(currentrenderentity->origin, sl->origin, NULL, NULL, 0) == 1) - { - nl->fadetype = sl->fadetype; - nl->distancescale = sl->distancescale; - nl->radius = sl->radius; - VectorCopy(sl->origin, nl->origin); - VectorCopy(sl->color, nl->light); - nl->cullradius2 = 99999999; - nl->lightsubtract = 0; - nl++; - nearlights++; - } - } - */ - for (i = 0;i < r_numdlights && nearlights < MAX_DLIGHTS;i++) - { - if (!(modeldlightbits[i >> 5] & (1 << (i & 31)))) - continue; - if (currentrenderentity == r_dlight[i].ent) - { - f = (1.0f / LIGHTOFFSET) - nl->lightsubtract; - if (f > 0) - VectorMA(basecolor, f, r_dlight[i].light, basecolor); - } - else - { - // convert 0-255 radius coloring to 0-1, while also amplifying the brightness by 16 - //if (TraceLine(currentrenderentity->origin, r_dlight[i].origin, NULL, NULL, 0) == 1) - { - // transform the light into the model's coordinate system - //if (gl_transform.integer) - // softwareuntransform(r_dlight[i].origin, nl->origin); - //else - VectorCopy(r_dlight[i].origin, nl->origin); - nl->cullradius2 = r_dlight[i].cullradius2; - VectorCopy(r_dlight[i].light, nl->light); - nl->lightsubtract = r_dlight[i].lightsubtract; - nl++; - nearlights++; - } - } - } - } - else - R_CompleteLightPoint (basecolor, currentrenderentity->origin, true, NULL); - } - avc = aliasvertcolor; - if (nearlights) - { - av = aliasvert; - avn = aliasvertnorm; - hardness = r_lightmodelhardness.value; - hardnessoffset = (1.0f - hardness); - for (i = 0;i < numverts;i++) - { - VectorCopy(basecolor, color); - for (j = 0, nl = &nearlight[0];j < nearlights;j++, nl++) - { - // distance attenuation - VectorSubtract(nl->origin, av, v); - dist2 = DotProduct(v,v); - if (dist2 < nl->cullradius2) - { - f = (1.0f / (dist2 + LIGHTOFFSET)) - nl->lightsubtract; - if (f > 0) - { - // directional shading - #if SLOWMATH - t = 1.0f / sqrt(dist2); - #else - number = DotProduct(v, v); - *((long *)&t) = 0x5f3759df - ((* (long *) &number) >> 1); - t = t * (1.5f - (number * 0.5f * t * t)); - #endif - // DotProduct(avn,v) * t is dotproduct with a normalized v, - // the hardness variables are for backlighting/shinyness - f *= DotProduct(avn,v) * t * hardness + hardnessoffset; - if (f > 0) - VectorMA(color, f, nl->light, color); - } - } - } - - VectorCopy(color, avc); - avc[3] = a; - avc += 4; - av += 3; - avn += 3; - } - } - else + if (dynamic) { - for (i = 0;i < numverts;i++) + int i; + float f, v[3]; + rtlight_t *light; + for (i = 0;i < r_refdef.numlights;i++) { - VectorCopy(basecolor, avc); - avc[3] = a; - avc += 4; + light = &r_refdef.lights[i]; + Matrix4x4_Transform(&light->matrix_worldtolight, p, v); + f = 1 - VectorLength2(v); + if (f > 0 && CL_Move(p, vec3_origin, vec3_origin, light->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false).fraction == 1) + VectorMA(ambientcolor, f, light->currentcolor, ambientcolor); } } }