X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=r_light.c;h=343ac7462b792f66d8c5c6750b060deb55fcbc13;hp=11b4619b2d39653017e23da8835349d46f8a628e;hb=1a476882427593a562b624379f137bf8821db951;hpb=98784e552392f849545b1aa7d88c869e116642b6 diff --git a/r_light.c b/r_light.c index 11b4619b..343ac746 100644 --- a/r_light.c +++ b/r_light.c @@ -21,14 +21,10 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. #include "quakedef.h" #include "cl_collision.h" +#include "r_shadow.h" -rdlight_t r_dlight[MAX_DLIGHTS]; -int r_numdlights = 0; - -cvar_t r_modellights = {CVAR_SAVE, "r_modellights", "4"}; -cvar_t r_vismarklights = {0, "r_vismarklights", "1"}; -cvar_t r_coronas = {CVAR_SAVE, "r_coronas", "1"}; -cvar_t gl_flashblend = {CVAR_SAVE, "gl_flashblend", "1"}; +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"}; static rtexture_t *lightcorona; static rtexturepool_t *lighttexturepool; @@ -37,7 +33,7 @@ void r_light_start(void) { float dx, dy; int x, y, a; - qbyte pixels[32][32][4]; + unsigned char pixels[32][32][4]; lighttexturepool = R_AllocTexturePool(); for (y = 0;y < 32;y++) { @@ -53,7 +49,7 @@ void r_light_start(void) pixels[y][x][3] = 255; } } - lightcorona = R_LoadTexture (lighttexturepool, "lightcorona", 32, 32, &pixels[0][0][0], TEXTYPE_RGBA, TEXF_PRECACHE); + lightcorona = R_LoadTexture2D(lighttexturepool, "lightcorona", 32, 32, &pixels[0][0][0], TEXTYPE_RGBA, TEXF_PRECACHE, NULL); } void r_light_shutdown(void) @@ -66,399 +62,52 @@ void r_light_newmap(void) { int i; for (i = 0;i < 256;i++) - d_lightstylevalue[i] = 264; // normal light value + r_refdef.lightstylevalue[i] = 264; // normal light value } void R_Light_Init(void) { - Cvar_RegisterVariable(&r_modellights); - 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 || !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) -{ - int i; - dlight_t *cd; - rdlight_t *rd; - - r_numdlights = 0; - c_dlights = 0; - - if (!r_dynamic.integer || !cl_dlights) - return; - - for (i = 0;i < MAX_DLIGHTS;i++) - { - cd = cl_dlights + i; - if (cd->radius <= 0) - continue; - rd = &r_dlight[r_numdlights++]; - VectorCopy(cd->origin, rd->origin); - VectorScale(cd->color, cd->radius * 64.0f, rd->light); - rd->cullradius2 = DotProduct(rd->light, rd->light) * (0.25f / (64.0f * 64.0f)) + 4096.0f; - // clamp radius to avoid overflowing division table in lightmap code - if (rd->cullradius2 > (2048.0f * 2048.0f)) - rd->cullradius2 = (2048.0f * 2048.0f); - rd->cullradius = sqrt(rd->cullradius2); - rd->subtract = 1.0f / rd->cullradius2; - //rd->ent = cd->ent; - c_dlights++; // count every dlight in use - } -} - void R_DrawCoronas(void) { - int i; - rmeshstate_t m; - float scale, viewdist, diff[3], dist; - rdlight_t *rd; - if (!r_coronas.integer) - return; - memset(&m, 0, sizeof(m)); - m.blendfunc1 = GL_ONE; - m.blendfunc2 = GL_ONE; - m.wantoverbright = false; - m.depthdisable = true; // magic - m.tex[0] = R_GetTexture(lightcorona); - Matrix4x4_CreateIdentity(&m.matrix); - R_Mesh_State(&m); - viewdist = DotProduct(r_origin, vpn); - for (i = 0;i < r_numdlights;i++) - { - rd = r_dlight + i; - dist = (DotProduct(rd->origin, vpn) - viewdist); - if (dist >= 24.0f && CL_TraceLine(rd->origin, r_origin, NULL, NULL, 0, true) == 1) - { - scale = mesh_colorscale * (1.0f / 131072.0f); - if (gl_flashblend.integer) - scale *= 4.0f; - if (fogenabled) - { - VectorSubtract(rd->origin, r_origin, diff); - scale *= 1 - exp(fogdensity/DotProduct(diff,diff)); - } - varray_element[0] = 0; - varray_element[1] = 1; - varray_element[2] = 2; - varray_element[3] = 0; - varray_element[4] = 2; - varray_element[5] = 3; - varray_color[ 0] = varray_color[ 4] = varray_color[ 8] = varray_color[12] = rd->light[0] * scale; - varray_color[ 1] = varray_color[ 5] = varray_color[ 9] = varray_color[13] = rd->light[1] * scale; - varray_color[ 2] = varray_color[ 6] = varray_color[10] = varray_color[14] = rd->light[2] * scale; - varray_color[ 3] = varray_color[ 7] = varray_color[11] = varray_color[15] = 1; - varray_texcoord[0][0] = 0; - varray_texcoord[0][1] = 0; - varray_texcoord[0][2] = 0; - varray_texcoord[0][3] = 1; - varray_texcoord[0][4] = 1; - varray_texcoord[0][5] = 1; - varray_texcoord[0][6] = 1; - varray_texcoord[0][7] = 0; - scale = rd->cullradius * 0.25f; - if (gl_flashblend.integer) - scale *= 2.0f; - varray_vertex[0] = rd->origin[0] - vright[0] * scale - vup[0] * scale; - varray_vertex[1] = rd->origin[1] - vright[1] * scale - vup[1] * scale; - varray_vertex[2] = rd->origin[2] - vright[2] * scale - vup[2] * scale; - varray_vertex[4] = rd->origin[0] - vright[0] * scale + vup[0] * scale; - varray_vertex[5] = rd->origin[1] - vright[1] * scale + vup[1] * scale; - varray_vertex[6] = rd->origin[2] - vright[2] * scale + vup[2] * scale; - varray_vertex[8] = rd->origin[0] + vright[0] * scale + vup[0] * scale; - varray_vertex[9] = rd->origin[1] + vright[1] * scale + vup[1] * scale; - varray_vertex[10] = rd->origin[2] + vright[2] * scale + vup[2] * scale; - varray_vertex[12] = rd->origin[0] + vright[0] * scale - vup[0] * scale; - varray_vertex[13] = rd->origin[1] + vright[1] * scale - vup[1] * scale; - varray_vertex[14] = rd->origin[2] + vright[2] * scale - vup[2] * scale; - R_Mesh_Draw(4, 2); - } - } -} - -/* -============================================================================= - -DYNAMIC LIGHTS - -============================================================================= -*/ - -/* -============= -R_MarkLights -============= -*/ -static void R_OldMarkLights (entity_render_t *ent, vec3_t lightorigin, rdlight_t *rd, int bit, int bitindex, mnode_t *node) -{ - float ndist, maxdist; - msurface_t *surf; - int i; - int d, impacts, impactt; - float dist, dist2, impact[3]; - - if (!r_dynamic.integer) - return; - - // for comparisons to minimum acceptable light - maxdist = rd->cullradius2; - -loc0: - if (node->contents < 0) + int i, lnum, flag; + float cscale, scale, viewdist, dist; + dlight_t *light; + if (r_coronas.value < 0.01) return; - - ndist = PlaneDiff(lightorigin, node->plane); - - if (ndist > rd->cullradius) + R_Mesh_Matrix(&identitymatrix); + viewdist = DotProduct(r_vieworigin, r_viewforward); + flag = r_rtworld ? LIGHTFLAG_REALTIMEMODE : LIGHTFLAG_NORMALMODE; + for (lnum = 0, light = r_shadow_worldlightchain;light;light = light->next, lnum++) { - node = node->children[0]; - goto loc0; - } - if (ndist < -rd->cullradius) - { - node = node->children[1]; - goto loc0; - } - -// mark the polygons - surf = ent->model->surfaces + node->firstsurface; - for (i = 0;i < node->numsurfaces;i++, surf++) - { - if (surf->visframe != r_framecount) - continue; - dist = ndist; - if (surf->flags & SURF_PLANEBACK) - dist = -dist; - - if (dist < -0.25f && !(surf->flags & SURF_LIGHTBOTHSIDES)) - continue; - - dist2 = dist * dist; - if (dist2 >= maxdist) - continue; - - if (node->plane->type < 3) - { - VectorCopy(lightorigin, impact); - impact[node->plane->type] -= dist; - } - else - { - impact[0] = lightorigin[0] - surf->plane->normal[0] * dist; - impact[1] = lightorigin[1] - surf->plane->normal[1] * dist; - impact[2] = lightorigin[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) - 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; - - if (surf->dlightframe != r_framecount) // not dynamic until now + if ((light->flags & flag) && light->corona * r_coronas.value > 0 && (r_shadow_debuglight.integer < 0 || r_shadow_debuglight.integer == lnum) && (dist = (DotProduct(light->rtlight.shadoworigin, r_viewforward) - viewdist)) >= 24.0f && CL_TraceBox(light->rtlight.shadoworigin, vec3_origin, vec3_origin, r_vieworigin, true, NULL, SUPERCONTENTS_SOLID, false).fraction == 1) { - 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; + cscale = light->rtlight.corona * r_coronas.value * 0.25f; + scale = light->rtlight.radius * light->rtlight.coronasizescale; + R_DrawSprite(GL_ONE, GL_ONE, lightcorona, NULL, true, light->rtlight.shadoworigin, r_viewright, r_viewup, scale, -scale, -scale, scale, light->rtlight.color[0] * cscale, light->rtlight.color[1] * cscale, light->rtlight.color[2] * cscale, 1); } - surf->dlightbits[bitindex] |= bit; - } - - if (node->children[0]->contents >= 0) - { - if (node->children[1]->contents >= 0) - { - R_OldMarkLights (ent, lightorigin, rd, bit, bitindex, node->children[0]); - node = node->children[1]; - goto loc0; - } - else - { - node = node->children[0]; - goto loc0; - } - } - else if (node->children[1]->contents >= 0) - { - node = node->children[1]; - goto loc0; } -} - - -static void R_VisMarkLights (entity_render_t *ent, 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; - qbyte *in; - int row; - float low[3], high[3], dist, maxdist; - - if (!r_dynamic.integer) - return; - - Matrix4x4_Transform(&ent->inversematrix, rd->origin, lightorigin); - - model = ent->model; - pvsleaf = Mod_PointInLeaf (lightorigin, model); - if (pvsleaf == NULL) - return; - - in = pvsleaf->compressed_vis; - if (!r_vismarklights.integer || !in) - { - // told not to use pvs, or there's no pvs to use - R_OldMarkLights(ent, 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) + for (i = 0;i < r_refdef.numlights;i++) { - c = *in++; - if (c) + light = r_refdef.lights[i]; + if ((light->flags & flag) && light->corona * r_coronas.value > 0 && (dist = (DotProduct(light->origin, r_viewforward) - viewdist)) >= 24.0f && CL_TraceBox(light->origin, vec3_origin, vec3_origin, r_vieworigin, true, NULL, SUPERCONTENTS_SOLID, false).fraction == 1) { - for (i = 0;i < 8;i++) + cscale = light->corona * r_coronas.value * 0.25f; + scale = light->rtlight.radius * light->rtlight.coronasizescale; + if (gl_flashblend.integer) { - if (c & (1< model->numleafs) - return; - leaf = &model->leafs[leafnum]; - if (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 ((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; - - if (surf->plane->type < 3) - { - VectorCopy(lightorigin, impact); - impact[surf->plane->type] -= dist; - } - else - { - impact[0] = lightorigin[0] - surf->plane->normal[0] * dist; - impact[1] = lightorigin[1] - surf->plane->normal[1] * dist; - impact[2] = lightorigin[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) - 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; - - 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); - } - } + cscale *= 4.0f; + scale *= 2.0f; } - k++; - continue; + R_DrawSprite(GL_ONE, GL_ONE, lightcorona, NULL, true, light->origin, r_viewright, r_viewup, scale, -scale, -scale, scale, light->color[0] * cscale, light->color[1] * cscale, light->color[2] * cscale, 1); } - - k += *in++; } } -void R_MarkLights(entity_render_t *ent) -{ - int i; - if (!gl_flashblend.integer) - for (i = 0;i < r_numdlights;i++) - R_VisMarkLights (ent, r_dlight + i, 1 << (i & 31), i >> 5); -} - /* ============================================================================= @@ -467,446 +116,31 @@ LIGHT SAMPLING ============================================================================= */ -static int RecursiveLightPoint (vec3_t color, const 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 = 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 + 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) - { - qbyte *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; - } -} - -void R_CompleteLightPoint (vec3_t color, const vec3_t p, int dynamic, const mleaf_t *leaf) +void R_CompleteLightPoint(vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal, const vec3_t p, int dynamic) { - int i; - vec3_t v; - float f; - rdlight_t *rd; - mlight_t *sl; - if (leaf == NULL) - leaf = Mod_PointInLeaf(p, cl.worldmodel); - if (!leaf || leaf->contents == CONTENTS_SOLID || r_fullbright.integer || !cl.worldmodel->lightdata) - { - color[0] = color[1] = color[2] = 1; - return; - } + VectorClear(diffusecolor); + VectorClear(diffusenormal); - color[0] = color[1] = color[2] = r_ambient.value * (2.0f / 128.0f); - if (cl.worldmodel->numlights) + if (!r_fullbright.integer && r_refdef.worldmodel && r_refdef.worldmodel->brush.LightPoint) { - for (i = 0;i < cl.worldmodel->numlights;i++) - { - sl = cl.worldmodel->lights + i; - if (d_lightstylevalue[sl->style] > 0) - { - VectorSubtract (p, sl->origin, v); - f = ((1.0f / (DotProduct(v, v) * sl->falloff + sl->distbias)) - sl->subtract); - if (f > 0 && CL_TraceLine(p, sl->origin, NULL, NULL, 0, false) == 1) - { - f *= d_lightstylevalue[sl->style] * (1.0f / 65536.0f); - VectorMA(color, f, sl->light, color); - } - } - } + 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 - RecursiveLightPoint (color, cl.worldmodel->nodes, p[0], p[1], p[2], p[2] - 65536); + VectorSet(ambientcolor, 1, 1, 1); if (dynamic) { - for (i = 0;i < r_numdlights;i++) - { - rd = r_dlight + i; - VectorSubtract (p, rd->origin, v); - f = DotProduct(v, v); - if (f < rd->cullradius2 && CL_TraceLine(p, rd->origin, NULL, NULL, 0, false) == 1) - { - f = (1.0f / (f + LIGHTOFFSET)) - rd->subtract; - VectorMA(color, f, rd->light, color); - } - } - } -} - -void R_ModelLightPoint (const entity_render_t *ent, vec3_t color, const vec3_t p) -{ - mleaf_t *leaf; - leaf = Mod_PointInLeaf(p, cl.worldmodel); - if (!leaf || leaf->contents == CONTENTS_SOLID || r_fullbright.integer || !cl.worldmodel->lightdata || ent->effects & EF_FULLBRIGHT) - { - color[0] = color[1] = color[2] = 1; - return; - } - - color[0] = color[1] = color[2] = r_ambient.value * (2.0f / 128.0f); - if (!cl.worldmodel->numlights) - RecursiveLightPoint (color, cl.worldmodel->nodes, p[0], p[1], p[2], p[2] - 65536); -} - -void R_LightModel(const entity_render_t *ent, int numverts, float colorr, float colorg, float colorb, int worldcoords) -{ - int i, j, nearlights = 0, maxnearlights = r_modellights.integer; - float color[3], basecolor[3], v[3], t, *av, *avn, *avc, a, f, dist2, mscale, dot, stylescale, intensity, ambientcolor[3]; - struct - { - vec3_t origin; - //vec_t cullradius2; - vec3_t light; - // how much this light would contribute to ambient if replaced - vec3_t ambientlight; - vec_t subtract; - vec_t falloff; - vec_t offset; - // used for choosing only the brightest lights - vec_t intensity; - } - nearlight[MAX_DLIGHTS], *nl; - mlight_t *sl; - rdlight_t *rd; - a = ent->alpha; - // scale of the model's coordinate space, to alter light attenuation to match - // make the mscale squared so it can scale the squared distance results - mscale = ent->scale * ent->scale; - if ((maxnearlights != 0) && !r_fullbright.integer && !(ent->effects & EF_FULLBRIGHT)) - { - R_ModelLightPoint(ent, basecolor, ent->origin); - - nl = &nearlight[0]; - for (i = 0;i < ent->numentlights;i++) - { - sl = cl.worldmodel->lights + ent->entlights[i]; - stylescale = d_lightstylevalue[sl->style] * (1.0f / 65536.0f); - VectorSubtract (ent->origin, sl->origin, v); - f = ((1.0f / (DotProduct(v, v) * sl->falloff + sl->distbias)) - sl->subtract) * stylescale; - VectorScale(sl->light, f, ambientcolor); - intensity = DotProduct(ambientcolor, ambientcolor); - if (f < 0) - intensity *= -1.0f; - if (nearlights < maxnearlights) - j = nearlights++; - else - { - for (j = 0;j < maxnearlights;j++) - { - if (nearlight[j].intensity < intensity) - { - if (nearlight[j].intensity > 0) - VectorAdd(basecolor, nearlight[j].ambientlight, basecolor); - break; - } - } - } - if (j >= maxnearlights) - { - // this light is less significant than all others, - // add it to ambient - if (intensity > 0) - VectorAdd(basecolor, ambientcolor, basecolor); - } - else - { - nl = nearlight + j; - nl->intensity = intensity; - // transform the light into the model's coordinate system - if (worldcoords) - VectorCopy(sl->origin, nl->origin); - else - Matrix4x4_Transform(&ent->inversematrix, sl->origin, nl->origin); - // integrate mscale into falloff, for maximum speed - nl->falloff = sl->falloff * mscale; - VectorCopy(ambientcolor, nl->ambientlight); - nl->light[0] = sl->light[0] * stylescale * colorr * 4.0f; - nl->light[1] = sl->light[1] * stylescale * colorg * 4.0f; - nl->light[2] = sl->light[2] * stylescale * colorb * 4.0f; - nl->subtract = sl->subtract; - nl->offset = sl->distbias; - } - } - for (i = 0;i < r_numdlights;i++) - { - rd = r_dlight + i; - VectorCopy(rd->origin, v); - if (v[0] < ent->mins[0]) v[0] = ent->mins[0];if (v[0] > ent->maxs[0]) v[0] = ent->maxs[0]; - if (v[1] < ent->mins[1]) v[1] = ent->mins[1];if (v[1] > ent->maxs[1]) v[1] = ent->maxs[1]; - if (v[2] < ent->mins[2]) v[2] = ent->mins[2];if (v[2] > ent->maxs[2]) v[2] = ent->maxs[2]; - VectorSubtract (v, rd->origin, v); - if (DotProduct(v, v) < rd->cullradius2) - { - if (CL_TraceLine(ent->origin, rd->origin, NULL, NULL, 0, false) != 1) - continue; - VectorSubtract (ent->origin, rd->origin, v); - f = ((1.0f / (DotProduct(v, v) + LIGHTOFFSET)) - rd->subtract); - VectorScale(rd->light, f, ambientcolor); - intensity = DotProduct(ambientcolor, ambientcolor); - if (f < 0) - intensity *= -1.0f; - if (nearlights < maxnearlights) - j = nearlights++; - else - { - for (j = 0;j < maxnearlights;j++) - { - if (nearlight[j].intensity < intensity) - { - if (nearlight[j].intensity > 0) - VectorAdd(basecolor, nearlight[j].ambientlight, basecolor); - break; - } - } - } - if (j >= maxnearlights) - { - // this light is less significant than all others, - // add it to ambient - if (intensity > 0) - VectorAdd(basecolor, ambientcolor, basecolor); - } - else - { - nl = nearlight + j; - nl->intensity = intensity; - // transform the light into the model's coordinate system - if (worldcoords) - VectorCopy(rd->origin, nl->origin); - else - { - Matrix4x4_Transform(&ent->inversematrix, rd->origin, nl->origin); - /* - Con_Printf("%i %s : %f %f %f : %f %f %f\n%f %f %f %f\n%f %f %f %f\n%f %f %f %f\n%f %f %f %f\n" - , rd - r_dlight, ent->model->name - , rd->origin[0], rd->origin[1], rd->origin[2] - , nl->origin[0], nl->origin[1], nl->origin[2] - , ent->inversematrix.m[0][0], ent->inversematrix.m[0][1], ent->inversematrix.m[0][2], ent->inversematrix.m[0][3] - , ent->inversematrix.m[1][0], ent->inversematrix.m[1][1], ent->inversematrix.m[1][2], ent->inversematrix.m[1][3] - , ent->inversematrix.m[2][0], ent->inversematrix.m[2][1], ent->inversematrix.m[2][2], ent->inversematrix.m[2][3] - , ent->inversematrix.m[3][0], ent->inversematrix.m[3][1], ent->inversematrix.m[3][2], ent->inversematrix.m[3][3]); - */ - } - // integrate mscale into falloff, for maximum speed - nl->falloff = mscale; - VectorCopy(ambientcolor, nl->ambientlight); - nl->light[0] = rd->light[0] * colorr * 4.0f; - nl->light[1] = rd->light[1] * colorg * 4.0f; - nl->light[2] = rd->light[2] * colorb * 4.0f; - nl->subtract = rd->subtract; - nl->offset = LIGHTOFFSET; - } - } - } - } - else - { - R_CompleteLightPoint (basecolor, ent->origin, true, NULL); - } - basecolor[0] *= colorr; - basecolor[1] *= colorg; - basecolor[2] *= colorb; - avc = aliasvertcolor; - if (nearlights) - { - av = aliasvert; - avn = aliasvertnorm; - for (i = 0;i < numverts;i++) - { - VectorCopy(basecolor, color); - for (j = 0, nl = &nearlight[0];j < nearlights;j++, nl++) - { - VectorSubtract(nl->origin, av, v); - // directional shading - dot = DotProduct(avn,v); - if (dot > 0) - { - // the vertex normal faces the light - - // do the distance attenuation - dist2 = DotProduct(v,v); - f = (1.0f / (dist2 * nl->falloff + nl->offset)) - nl->subtract; - if (f > 0) - { - //#if SLOWMATH - t = 1.0f / sqrt(dist2); - //#else - //*((int *)&t) = 0x5f3759df - ((* (int *) &dist2) >> 1); - //t = t * (1.5f - (dist2 * 0.5f * t * t)); - //#endif - - // dot * t is dotproduct with a normalized v. - // (the result would be -1 to +1, but we already - // eliminated the <= 0 case, so it is 0 to 1) - - // the hardness variables are for backlighting/shinyness - // these have been hardwired at * 0.5 + 0.5 to match - // the quake map lighting utility's equations - f *= dot * t;// * 0.5f + 0.5f;// * hardness + hardnessoffset; - VectorMA(color, f, nl->light, color); - } - } - } - - VectorCopy(color, avc); - avc[3] = a; - avc += 4; - av += 4; - avn += 3; - } - } - else - { - for (i = 0;i < numverts;i++) + int i; + float f, v[3]; + dlight_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->rtlight.matrix_worldtolight, p, v); + f = 1 - VectorLength2(v); + if (f > 0 && CL_TraceBox(p, vec3_origin, vec3_origin, light->origin, false, NULL, SUPERCONTENTS_SOLID, false).fraction == 1) + VectorMA(ambientcolor, f, light->rtlight.currentcolor, ambientcolor); } } } - -void R_UpdateEntLights(entity_render_t *ent) -{ - int i; - const mlight_t *sl; - vec3_t v; - VectorSubtract(ent->origin, ent->entlightsorigin, v); - if (ent->entlightsframe != (r_framecount - 1) || (realtime > ent->entlightstime && DotProduct(v,v) >= 1.0f)) - { - ent->entlightstime = realtime + 0.1; - VectorCopy(ent->origin, ent->entlightsorigin); - ent->numentlights = 0; - if (cl.worldmodel) - for (i = 0, sl = cl.worldmodel->lights;i < cl.worldmodel->numlights && ent->numentlights < MAXENTLIGHTS;i++, sl++) - if (CL_TraceLine(ent->origin, sl->origin, NULL, NULL, 0, false) == 1) - ent->entlights[ent->numentlights++] = i; - } - ent->entlightsframe = r_framecount; -}