]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - r_light.c
split r_shadow_realtime into r_shadow_realtime_world (which requires stencil) and...
[xonotic/darkplaces.git] / r_light.c
index d2ae578d4c516ee09f7e69e477c321610a025f4c..8de4bdf7dc105c9823e54f7d45c5d26c1430243d 100644 (file)
--- a/r_light.c
+++ b/r_light.c
@@ -21,6 +21,7 @@ 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;
@@ -53,7 +54,7 @@ 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)
@@ -132,7 +133,7 @@ void R_BuildLightList(void)
                        rd->cullradius2 = (2048.0f * 2048.0f);
                rd->cullradius = sqrt(rd->cullradius2);
                rd->subtract = 1.0f / rd->cullradius2;
-               //rd->ent = cd->ent;
+               rd->ent = cd->ent;
                c_dlights++; // count every dlight in use
        }
 }
@@ -167,34 +168,11 @@ void R_DrawCoronas(void)
                                VectorSubtract(rd->origin, r_origin, diff);
                                scale *= 1 - exp(fogdensity/DotProduct(diff,diff));
                        }
-                       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;
+                       GL_Color(rd->light[0] * scale, rd->light[1] * scale, rd->light[2] * scale, 1);
                        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, polygonelements);
+                       R_DrawSpriteMesh(rd->origin, vright, vup, scale, -scale, -scale, scale);
                }
        }
 }
@@ -212,7 +190,6 @@ DYNAMIC LIGHTS
 R_MarkLights
 =============
 */
-extern int r_pvsframecount;
 static void R_OldMarkLights (entity_render_t *ent, vec3_t lightorigin, rdlight_t *rd, int bit, int bitindex, mnode_t *node)
 {
        float ndist, maxdist;
@@ -249,7 +226,7 @@ loc0:
        surf = ent->model->surfaces + node->firstsurface;
        for (i = 0;i < node->numsurfaces;i++, surf++)
        {
-               if (surfacepvsframes[surf->number] != r_pvsframecount)
+               if (surfacepvsframes[surf->number] != ent->model->pvsframecount)
                        continue;
                dist = ndist;
                if (surf->flags & SURF_PLANEBACK)
@@ -292,6 +269,8 @@ loc0:
                {
                        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;
+                       if (r_dlightmap.integer)
+                               surf->cached_dlight = true;
                }
                surf->dlightbits[bitindex] |= bit;
        }
@@ -389,7 +368,7 @@ static void R_VisMarkLights (entity_render_t *ent, rdlight_t *rd, int bit, int b
                                                        if (surf->lightframe == lightframe)
                                                                continue;
                                                        surf->lightframe = lightframe;
-                                                       if (surfacepvsframes[surf->number] != r_pvsframecount)
+                                                       if (surfacepvsframes[surf->number] != model->pvsframecount)
                                                                continue;
                                                        dist = PlaneDiff(lightorigin, surf->plane);
                                                        if (surf->flags & SURF_PLANEBACK)
@@ -431,6 +410,8 @@ static void R_VisMarkLights (entity_render_t *ent, rdlight_t *rd, int bit, int b
                                                                {
                                                                        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;
+                                                                       if (r_dlightmap.integer)
+                                                                               surf->cached_dlight = true;
                                                                }
                                                                surf->dlightbits[bitindex] |= bit;
                                                        }
@@ -659,7 +640,7 @@ 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)
+       if (!leaf || leaf->contents == CONTENTS_SOLID || !cl.worldmodel->lightdata)
        {
                color[0] = color[1] = color[2] = 1;
                return;
@@ -670,7 +651,7 @@ void R_ModelLightPoint (const entity_render_t *ent, vec3_t color, const vec3_t p
                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)
+void R_LightModel(const entity_render_t *ent, int numverts, float *vertices, float *normals, float *colors, 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];
@@ -694,10 +675,15 @@ void R_LightModel(const entity_render_t *ent, int numverts, float colorr, float
        // 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))
+       if (r_fullbright.integer || (ent->effects & EF_FULLBRIGHT))
+               basecolor[0] = basecolor[1] = basecolor[2] = 1.0f;
+       else if (r_shadow_realtime_world.integer)
+               basecolor[0] = basecolor[1] = basecolor[2] = r_ambient.value * (2.0f / 128.0f);
+       else if (maxnearlights == 0)
+               R_CompleteLightPoint (basecolor, ent->origin, true, NULL);
+       else
        {
                R_ModelLightPoint(ent, basecolor, ent->origin);
-
                nl = &nearlight[0];
                for (i = 0;i < ent->numentlights;i++)
                {
@@ -749,96 +735,96 @@ void R_LightModel(const entity_render_t *ent, int numverts, float colorr, float
                                nl->offset = sl->distbias;
                        }
                }
-               for (i = 0;i < r_numdlights;i++)
+               if (!r_shadow_realtime_dlight.integer)
                {
-                       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)
+                       for (i = 0;i < r_numdlights;i++)
                        {
-                               if (CL_TraceLine(ent->origin, rd->origin, NULL, NULL, 0, false, NULL) != 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
+                               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)
                                {
-                                       for (j = 0;j < maxnearlights;j++)
+                                       if (CL_TraceLine(ent->origin, rd->origin, NULL, NULL, 0, false, NULL) != 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
                                        {
-                                               if (nearlight[j].intensity < intensity)
+                                               for (j = 0;j < maxnearlights;j++)
                                                {
-                                                       if (nearlight[j].intensity > 0)
-                                                               VectorAdd(basecolor, nearlight[j].ambientlight, basecolor);
-                                                       break;
+                                                       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);
+                                       if (j >= maxnearlights)
+                                       {
+                                               // this light is less significant than all others,
+                                               // add it to ambient
+                                               if (intensity > 0)
+                                                       VectorAdd(basecolor, ambientcolor, basecolor);
+                                       }
                                        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]);
-                                               */
+                                               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;
                                        }
-                                       // 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;
+       avc = colors;
        if (nearlights)
        {
-               av = aliasvert;
-               avn = aliasvertnorm;
+               GL_UseColorArray();
+               av = vertices;
+               avn = normals;
                for (i = 0;i < numverts;i++)
                {
                        VectorCopy(basecolor, color);
                        for (j = 0, nl = &nearlight[0];j < nearlights;j++, nl++)
                        {
-                               VectorSubtract(nl->origin, av, v);
+                               VectorSubtract(av, nl->origin, v);
                                // directional shading
                                dot = DotProduct(avn,v);
                                if (dot > 0)
@@ -873,19 +859,12 @@ void R_LightModel(const entity_render_t *ent, int numverts, float colorr, float
                        VectorCopy(color, avc);
                        avc[3] = a;
                        avc += 4;
-                       av += 4;
+                       av += 3;
                        avn += 3;
                }
        }
        else
-       {
-               for (i = 0;i < numverts;i++)
-               {
-                       VectorCopy(basecolor, avc);
-                       avc[3] = a;
-                       avc += 4;
-               }
-       }
+               GL_Color(basecolor[0], basecolor[1], basecolor[2], a);
 }
 
 void R_UpdateEntLights(entity_render_t *ent)
@@ -893,6 +872,8 @@ void R_UpdateEntLights(entity_render_t *ent)
        int i;
        const mlight_t *sl;
        vec3_t v;
+       if (r_shadow_realtime_dlight.integer)
+               return;
        VectorSubtract(ent->origin, ent->entlightsorigin, v);
        if (ent->entlightsframe != (r_framecount - 1) || (realtime > ent->entlightstime && DotProduct(v,v) >= 1.0f))
        {