X-Git-Url: http://de.git.xonotic.org/?a=blobdiff_plain;f=r_light.c;h=944988ecbfcf8e81f2442948220a1e1d0e277f72;hb=712073c2b82a8d7289ced8b7cf16535b6c5550b4;hp=39cde86d07df028f448a88452603ea3c70aadaf3;hpb=e4b3858e7aca0ead91be1d8f675db084d025abad;p=xonotic%2Fdarkplaces.git diff --git a/r_light.c b/r_light.c index 39cde86d..944988ec 100644 --- a/r_light.c +++ b/r_light.c @@ -8,7 +8,7 @@ of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. @@ -20,397 +20,94 @@ 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" -cvar_t r_lightmodels = {"r_lightmodels", "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"}; -extern cvar_t gl_transform; +static rtexture_t *lightcorona; +static rtexturepool_t *lighttexturepool; -void r_light_start() +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 r_light_shutdown(void) { + lighttexturepool = NULL; + lightcorona = NULL; } -void R_Light_Init() +void r_light_newmap(void) { - Cvar_RegisterVariable(&r_lightmodels); - R_RegisterModule("R_Light", r_light_start, r_light_shutdown); + int i; + for (i = 0;i < 256;i++) + r_refdef.lightstylevalue[i] = 264; // normal light value } -int r_dlightframecount; - -/* -================== -R_AnimateLight -================== -*/ -void R_AnimateLight (void) +void R_Light_Init(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 ; jradius * light->radius; - - // clamp radius to avoid exceeding 32768 entry division table - if (maxdist > 4194304) - maxdist = 4194304; - -loc0: - if (node->contents < 0) - return; - - ndist = PlaneDiff(lightorigin, node->plane); - - if (ndist > light->radius) - { - if (node->children[0]->contents >= 0) // LordHavoc: save some time by not pushing another stack frame - { - node = node->children[0]; - goto loc0; - } - return; - } - if (ndist < -light->radius) - { - if (node->children[1]->contents >= 0) // LordHavoc: save some time by not pushing another stack frame - { - node = node->children[1]; - goto loc0; - } + int i, lnum, flag; + float cscale, scale, viewdist, dist; + dlight_t *light; + if (r_coronas.value < 0.01) return; - } - - if (node->dlightframe != r_dlightframecount) // not dynamic until now - { - node->dlightbits[0] = node->dlightbits[1] = node->dlightbits[2] = node->dlightbits[3] = node->dlightbits[4] = node->dlightbits[5] = node->dlightbits[6] = node->dlightbits[7] = 0; - node->dlightframe = r_dlightframecount; - } - node->dlightbits[bitindex] |= bit; - -// mark the polygons - surf = cl.worldmodel->surfaces + node->firstsurface; - for (i=0 ; inumsurfaces ; i++, surf++) - { - int d; - float dist, dist2, impact[3]; - 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; - - impact[0] = light->origin[0] - surf->plane->normal[0] * dist; - impact[1] = light->origin[1] - surf->plane->normal[1] * dist; - impact[2] = light->origin[2] - surf->plane->normal[2] * dist; - - 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_dlightframecount) // 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_dlightframecount; - } - surf->dlightbits[bitindex] |= bit; - - /* - if (((surf->flags & SURF_PLANEBACK) == 0) == ((PlaneDist(lightorigin, surf->plane)) >= surf->plane->dist)) - { - if (surf->dlightframe != r_dlightframecount) // 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_dlightframecount; - } - surf->dlightbits[bitindex] |= bit; - } - */ - } - - if (node->children[0]->contents >= 0) + R_Mesh_Matrix(&identitymatrix); + viewdist = DotProduct(r_view.origin, r_view.forward); + flag = r_refdef.rtworld ? LIGHTFLAG_REALTIMEMODE : LIGHTFLAG_NORMALMODE; + for (lnum = 0, light = r_shadow_worldlightchain;light;light = light->next, lnum++) { - if (node->children[1]->contents >= 0) - { - R_OldMarkLights (lightorigin, light, bit, bitindex, node->children[0]); - node = node->children[1]; - goto loc0; - } - else + 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_view.forward) - viewdist)) >= 24.0f && CL_TraceBox(light->rtlight.shadoworigin, vec3_origin, vec3_origin, r_view.origin, true, NULL, SUPERCONTENTS_SOLID, false).fraction == 1) { - node = node->children[0]; - goto loc0; + 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_view.right, r_view.up, scale, -scale, -scale, scale, light->rtlight.color[0] * cscale, light->rtlight.color[1] * cscale, light->rtlight.color[2] * cscale, 1); } } - else if (node->children[1]->contents >= 0) - { - node = node->children[1]; - goto loc0; - } -} - -void R_NoVisMarkLights (vec3_t lightorigin, dlight_t *light, int bit, int bitindex, model_t *model) -{ - R_OldMarkLights(lightorigin, light, bit, bitindex, model->nodes + model->hulls[0].firstclipnode); -} - -int lightframe = 0; -void R_VisMarkLights (vec3_t lightorigin, dlight_t *light, int bit, int bitindex, model_t *model) -{ - mleaf_t *pvsleaf = Mod_PointInLeaf (lightorigin, model); - - if (!r_dynamic.value) - return; - - if (!pvsleaf->compressed_vis) - { // no vis info, so make all visible - R_OldMarkLights(lightorigin, light, bit, bitindex, model->nodes + model->hulls[0].firstclipnode); - return; - } - else + for (i = 0;i < r_refdef.numlights;i++) { - int i, k, l, m, c; - msurface_t *surf, **mark; - mleaf_t *leaf; - byte *in = pvsleaf->compressed_vis; - int row = (model->numleafs+7)>>3; - float low[3], high[3], radius, dist, maxdist; - - lightframe++; - - radius = light->radius * 2; - - // clamp radius to avoid exceeding 32768 entry division table - if (radius > 2048) - radius = 2048; - - low[0] = lightorigin[0] - radius;low[1] = lightorigin[1] - radius;low[2] = lightorigin[2] - radius; - high[0] = lightorigin[0] + radius;high[1] = lightorigin[1] + radius;high[2] = lightorigin[2] + radius; - - // for comparisons to minimum acceptable light - maxdist = radius*radius; - - k = 0; - while (k < row) + light = r_refdef.lights[i]; + if ((light->flags & flag) && light->corona * r_coronas.value > 0 && (dist = (DotProduct(light->origin, r_view.forward) - viewdist)) >= 24.0f && CL_TraceBox(light->origin, vec3_origin, vec3_origin, r_view.origin, true, NULL, SUPERCONTENTS_SOLID, false).fraction == 1) { - c = *in++; - if (c) + cscale = light->corona * r_coronas.value * 0.25f; + scale = light->rtlight.radius * light->rtlight.coronasizescale; + if (gl_flashblend.integer) { - l = model->numleafs - (k << 3); - if (l > 8) - l = 8; - for (i=0 ; ileafs[(k << 3)+i+1]; - leaf->lightframe = lightframe; - if (leaf->visframe != r_visframecount) - continue; - if (leaf->contents == CONTENTS_SOLID) - continue; - // if out of the light radius, skip - if (leaf->minmaxs[0] > high[0] || leaf->minmaxs[3] < low[0] - || leaf->minmaxs[1] > high[1] || leaf->minmaxs[4] < low[1] - || leaf->minmaxs[2] > high[2] || leaf->minmaxs[5] < low[2]) - continue; - if (leaf->dlightframe != r_dlightframecount) // 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_dlightframecount; - } - leaf->dlightbits[bitindex] |= bit; - if ((m = leaf->nummarksurfaces)) - { - mark = leaf->firstmarksurface; - do - { - surf = *mark++; - if (surf->visframe != r_framecount || surf->lightframe == lightframe) - continue; - surf->lightframe = lightframe; - 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 >= -0.25f || (surf->flags & SURF_LIGHTBOTHSIDES)) && dist < radius) - { - int d; - float dist2, impact[3]; - - dist2 = dist * dist; - - impact[0] = light->origin[0] - surf->plane->normal[0] * dist; - impact[1] = light->origin[1] - surf->plane->normal[1] * dist; - impact[2] = light->origin[2] - surf->plane->normal[2] * dist; - - 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_dlightframecount) // 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_dlightframecount; - } - surf->dlightbits[bitindex] |= bit; - } - } - while (--m); - } - } - } - k++; - continue; + cscale *= 4.0f; + scale *= 2.0f; } - - k += *in++; + R_DrawSprite(GL_ONE, GL_ONE, lightcorona, NULL, true, light->origin, r_view.right, r_view.up, scale, -scale, -scale, scale, light->color[0] * cscale, light->color[1] * cscale, light->color[2] * cscale, 1); } } } - -/* -============= -R_PushDlights -============= -*/ -void R_PushDlights (void) -{ - int i; - dlight_t *l; - - r_dlightframecount = r_framecount + 1; // because the count hasn't advanced yet for this frame - - if (!r_dynamic.value) - return; - - l = cl_dlights; - - for (i=0 ; idie < cl.time || !l->radius) - continue; -// R_MarkLights (l->origin, l, 1<<(i&31), i >> 5, cl.worldmodel->nodes ); - R_VisMarkLights (l->origin, l, 1<<(i&31), i >> 5, cl.worldmodel); - } -} - - /* ============================================================================= @@ -419,546 +116,31 @@ LIGHT SAMPLING ============================================================================= */ -mplane_t *lightplane; -vec3_t lightspot; - -extern cvar_t r_ambient; - -/* -int RecursiveLightPoint (vec3_t color, mnode_t *node, vec3_t start, vec3_t end) +void R_CompleteLightPoint(vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal, const vec3_t p, int dynamic) { - float front, back, frac; - vec3_t mid; - -loc0: - if (node->contents < 0) - return false; // didn't hit anything - -// calculate mid point - front = PlaneDiff (start, node->plane); - back = PlaneDiff (end, node->plane); + VectorClear(diffusecolor); + VectorClear(diffusenormal); - // LordHavoc: optimized recursion - if ((back < 0) == (front < 0)) -// return RecursiveLightPoint (color, node->children[front < 0], start, end); + if (!r_fullbright.integer && r_refdef.worldmodel && r_refdef.worldmodel->brush.LightPoint) { - node = node->children[front < 0]; - goto loc0; + 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); } - - frac = front / (front-back); - mid[0] = start[0] + (end[0] - start[0])*frac; - mid[1] = start[1] + (end[1] - start[1])*frac; - mid[2] = start[2] + (end[2] - start[2])*frac; - -// go down front side - if (RecursiveLightPoint (color, node->children[front < 0], start, mid)) - return true; // hit something else - { - int i, ds, dt; - msurface_t *surf; - // check for impact on this node - VectorCopy (mid, lightspot); - lightplane = node->plane; - - surf = cl.worldmodel->surfaces + node->firstsurface; - for (i = 0;i < node->numsurfaces;i++, surf++) - { - if (surf->flags & SURF_DRAWTILED) - continue; // no lightmaps - - ds = (int) ((float) DotProduct (mid, surf->texinfo->vecs[0]) + surf->texinfo->vecs[0][3]); - dt = (int) ((float) DotProduct (mid, surf->texinfo->vecs[1]) + 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, dsfrac = ds & 15, dtfrac = dt & 15, r00 = 0, g00 = 0, b00 = 0, r01 = 0, g01 = 0, b01 = 0, r10 = 0, g10 = 0, b10 = 0, r11 = 0, g11 = 0, b11 = 0; - float scale; - line3 = ((surf->extents[0]>>4)+1)*3; - - 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 = (float) d_lightstylevalue[surf->styles[maps]] * 1.0 / 256.0; - r00 += (float) lightmap[ 0] * scale;g00 += (float) lightmap[ 1] * scale;b00 += (float) lightmap[2] * scale; - r01 += (float) lightmap[ 3] * scale;g01 += (float) lightmap[ 4] * scale;b01 += (float) lightmap[5] * scale; - r10 += (float) lightmap[line3+0] * scale;g10 += (float) lightmap[line3+1] * scale;b10 += (float) lightmap[line3+2] * scale; - r11 += (float) lightmap[line3+3] * scale;g11 += (float) lightmap[line3+4] * scale;b11 += (float) lightmap[line3+5] * scale; - lightmap += ((surf->extents[0]>>4)+1) * ((surf->extents[1]>>4)+1)*3; // LordHavoc: *3 for colored lighting - } - - color[0] += (float) ((int) ((((((((r11-r10) * dsfrac) >> 4) + r10)-((((r01-r00) * dsfrac) >> 4) + r00)) * dtfrac) >> 4) + ((((r01-r00) * dsfrac) >> 4) + r00))); - color[1] += (float) ((int) ((((((((g11-g10) * dsfrac) >> 4) + g10)-((((g01-g00) * dsfrac) >> 4) + g00)) * dtfrac) >> 4) + ((((g01-g00) * dsfrac) >> 4) + g00))); - color[2] += (float) ((int) ((((((((b11-b10) * dsfrac) >> 4) + b10)-((((b01-b00) * dsfrac) >> 4) + b00)) * dtfrac) >> 4) + ((((b01-b00) * dsfrac) >> 4) + b00))); - } - return true; // success - } + VectorSet(ambientcolor, 1, 1, 1); - // go down back side - return RecursiveLightPoint (color, node->children[front >= 0], mid, end); - } -} - -void R_LightPoint (vec3_t color, vec3_t p) -{ - vec3_t end; - - if (r_fullbright.value || !cl.worldmodel->lightdata) - { - color[0] = color[1] = color[2] = 255; - return; - } - - end[0] = p[0]; - end[1] = p[1]; - end[2] = p[2] - 2048; - - color[0] = color[1] = color[2] = r_ambient.value * 2.0f; - RecursiveLightPoint (color, cl.worldmodel->nodes, p, end); -} - -void SV_LightPoint (vec3_t color, vec3_t p) -{ - vec3_t end; - - if (!sv.worldmodel->lightdata) - { - color[0] = color[1] = color[2] = 255; - return; - } - - end[0] = p[0]; - end[1] = p[1]; - end[2] = p[2] - 2048; - - color[0] = color[1] = color[2] = 0; - RecursiveLightPoint (color, sv.worldmodel->nodes, p, end); -} -*/ - -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; - lightspot[0] = x; - lightspot[1] = y; - lightspot[2] = mid; - lightplane = node->plane; - - surf = cl.worldmodel->surfaces + node->firstsurface; - for (i = 0;i < node->numsurfaces;i++, surf++) - { - if (surf->flags & SURF_DRAWTILED) - 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; - } - - color[0] += (float) ((((((((r11-r10) * dsfrac) >> 4) + r10)-((((r01-r00) * dsfrac) >> 4) + r00)) * dtfrac) >> 4) + ((((r01-r00) * dsfrac) >> 4) + r00)) * (1.0f / 256.0f); - color[1] += (float) ((((((((g11-g10) * dsfrac) >> 4) + g10)-((((g01-g00) * dsfrac) >> 4) + g00)) * dtfrac) >> 4) + ((((g01-g00) * dsfrac) >> 4) + g00)) * (1.0f / 256.0f); - color[2] += (float) ((((((((b11-b10) * dsfrac) >> 4) + b10)-((((b01-b00) * dsfrac) >> 4) + b00)) * dtfrac) >> 4) + ((((b01-b00) * dsfrac) >> 4) + b00)) * (1.0f / 256.0f); - } - 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_DynamicLightPoint(vec3_t color, vec3_t org, int *dlightbits) -{ - int i, j, k; - vec3_t dist; - float brightness, r, f; - - if (!r_dynamic.value || (!dlightbits[0] && !dlightbits[1] && !dlightbits[2] && !dlightbits[3] && !dlightbits[4] && !dlightbits[5] && !dlightbits[6] && !dlightbits[7])) - return; - - for (j = 0;j < (MAX_DLIGHTS >> 5);j++) - { - if (dlightbits[j]) - { - for (i=0 ; i<32 ; i++) - { - if (!((1 << i) & dlightbits[j])) - continue; - k = (j<<5)+i; - if (cl_dlights[k].die < cl.time || !cl_dlights[k].radius) - continue; - VectorSubtract (org, cl_dlights[k].origin, dist); - f = DotProduct(dist, dist) + LIGHTOFFSET; - r = cl_dlights[k].radius*cl_dlights[k].radius; - if (f < r) - { - brightness = r * 128.0f / f; - color[0] += brightness * cl_dlights[k].color[0]; - color[1] += brightness * cl_dlights[k].color[1]; - color[2] += brightness * cl_dlights[k].color[2]; - } - } - } - } -} - -void R_CompleteLightPoint (vec3_t color, vec3_t p) -{ - mleaf_t *leaf; - leaf = Mod_PointInLeaf(p, cl.worldmodel); - if (leaf->contents == CONTENTS_SOLID) - { - color[0] = color[1] = color[2] = 0; - return; - } - - if (r_fullbright.value || !cl.worldmodel->lightdata) - { - color[0] = color[1] = color[2] = 255; - return; - } - - color[0] = color[1] = color[2] = r_ambient.value * 2.0f; - RecursiveLightPoint (color, cl.worldmodel->nodes, p[0], p[1], p[2], p[2] - 65536); - - R_DynamicLightPoint(color, p, leaf->dlightbits); -} - -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.value || !cl.worldmodel->lightdata) - { - color[0] = color[1] = color[2] = 255; - 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; - RecursiveLightPoint (color, cl.worldmodel->nodes, p[0], p[1], p[2], p[2] - 65536); - - if (leaf->dlightframe == r_dlightframecount) - { - 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]; - } - else - dlightbits[0] = dlightbits[1] = dlightbits[2] = dlightbits[3] = dlightbits[4] = dlightbits[5] = dlightbits[6] = dlightbits[7] = 0; -} - -/* // not currently used -void R_DynamicLightPointNoMask(vec3_t color, vec3_t org) -{ - int i; - vec3_t dist; - float brightness, r, f; - - if (!r_dynamic.value) - return; - - for (i=0 ; icolormod[0] * 0.5f; - mod[1] = currententity->colormod[1] * 0.5f; - mod[2] = currententity->colormod[2] * 0.5f; - } - else - { - mod[0] = currententity->colormod[0]; - mod[1] = currententity->colormod[1]; - mod[2] = currententity->colormod[2]; - } - if (currententity->effects & EF_FULLBRIGHT) - { - ((byte *)&color)[0] = (byte) (255.0f * mod[0]); - ((byte *)&color)[1] = (byte) (255.0f * mod[1]); - ((byte *)&color)[2] = (byte) (255.0f * mod[2]); - ((byte *)&color)[3] = a; - for (i = 0;i < numverts;i++) - { - *((int *)avc) = color; - avc += 4; - } - return; - } - R_ModelLightPoint(basecolor, center, modeldlightbits); - - basecolor[0] *= mod[0]; - basecolor[1] *= mod[1]; - basecolor[2] *= mod[2]; - for (i = 0;i < MAX_DLIGHTS;i++) - { - if (!modeldlightbits[i >> 5]) - { - i |= 31; - continue; - } - if (!(modeldlightbits[i >> 5] & (1 << (i & 31)))) - continue; - VectorSubtract (center, cl_dlights[i].origin, dist); - t2 = DotProduct(dist,dist) + LIGHTOFFSET; - t1 = cl_dlights[i].radius*cl_dlights[i].radius; - if (t2 < t1) - { - // transform the light into the model's coordinate system - if (gl_transform.value) - softwareuntransform(cl_dlights[i].origin, nearlight[nearlights].origin); - else - { - VectorCopy(cl_dlights[i].origin, nearlight[nearlights].origin); - } - nearlight[nearlights].color[0] = cl_dlights[i].color[0] * t1 * mod[0]; - nearlight[nearlights].color[1] = cl_dlights[i].color[1] * t1 * mod[1]; - nearlight[nearlights].color[2] = cl_dlights[i].color[2] * t1 * mod[2]; - if (r_lightmodels.value) - nearlights++; - else - { - t1 = 1.0f / t2; - basecolor[0] += nearlight[nearlights].color[0] * t1; - basecolor[1] += nearlight[nearlights].color[1] * t1; - basecolor[2] += nearlight[nearlights].color[2] * t1; - } - } - } - t1 = bound(0, basecolor[0], 255);r = (byte) t1; - t1 = bound(0, basecolor[1], 255);g = (byte) t1; - t1 = bound(0, basecolor[2], 255);b = (byte) t1; - ((byte *)&color)[0] = r; - ((byte *)&color)[1] = g; - ((byte *)&color)[2] = b; - ((byte *)&color)[3] = a; - if (nearlights) - { - int temp; - vec3_t v; - float *av; - av = aliasvert; - if (nearlights == 1) - { - for (i = 0;i < numverts;i++) - { - VectorSubtract(nearlight[0].origin, av, v); - t = DotProduct(avn,v); - if (t > 0) - { - t /= (DotProduct(v,v) + LIGHTOFFSET); - temp = (int) ((float) (basecolor[0] + nearlight[0].color[0] * t)); - avc[0] = bound(0, temp, 255); - temp = (int) ((float) (basecolor[1] + nearlight[0].color[1] * t)); - avc[1] = bound(0, temp, 255); - temp = (int) ((float) (basecolor[2] + nearlight[0].color[2] * t)); - avc[2] = bound(0, temp, 255); - avc[3] = a; - } - else - *((int *)avc) = color; - avc += 4; - av += 3; - avn += 3; - } - } - else - { - for (i = 0;i < numverts;i++) - { - int lit; - t1 = basecolor[0]; - t2 = basecolor[1]; - t3 = basecolor[2]; - lit = false; - for (j = 0;j < nearlights;j++) - { - VectorSubtract(nearlight[j].origin, av, v); - t = DotProduct(avn,v); - if (t > 0) - { - t /= (DotProduct(v,v) + LIGHTOFFSET); - t1 += nearlight[j].color[0] * t; - t2 += nearlight[j].color[1] * t; - t3 += nearlight[j].color[2] * t; - lit = true; - } - } - if (lit) - { - int i1, i2, i3; - i1 = (int) t1; - avc[0] = bound(0, i1, 255); - i2 = (int) t2; - avc[1] = bound(0, i2, 255); - i3 = (int) t3; - avc[2] = bound(0, i3, 255); - avc[3] = a; - } - else // dodge the costly float -> int conversions - *((int *)avc) = color; - avc += 4; - av += 3; - avn += 3; - } - } - } - else + if (dynamic) { - for (i = 0;i < numverts;i++) + int i; + float f, v[3]; + dlight_t *light; + for (i = 0;i < r_refdef.numlights;i++) { - *((int *)avc) = color; - 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); } } }