-extern void R_Model_Brush_DrawLightForSurfaceList(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, msurface_t **surflist, int numsurfaces, const matrix4x4_t *matrix_modeltofilter, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz);
-void R_ShadowVolumeLighting(int visiblevolumes)
-{
- int i;
- entity_render_t *ent;
- int lnum;
- float f, lightradius, cullradius;
- vec3_t relativelightorigin, relativeeyeorigin, lightcolor, clipmins, clipmaxs;
- worldlight_t *wl;
- rdlight_t *rd;
- rmeshstate_t m;
- matrix4x4_t matrix;
- matrix4x4_t matrix_worldtofilter, matrix_worldtoattenuationxyz, matrix_worldtoattenuationz;
- matrix4x4_t matrix_modeltofilter, matrix_modeltoattenuationxyz, matrix_modeltoattenuationz;
-
- if (visiblevolumes)
- {
- memset(&m, 0, sizeof(m));
- R_Mesh_State_Texture(&m);
-
- GL_BlendFunc(GL_ONE, GL_ONE);
- GL_DepthMask(false);
- GL_DepthTest(r_shadow_visiblevolumes.integer < 2);
- qglDisable(GL_CULL_FACE);
- GL_Color(0.0, 0.0125, 0.1, 1);
- }
- else
- R_Shadow_Stage_Begin();
- shadowframecount++;
- if (r_shadow_realtime_world.integer)
- {
- R_Shadow_LoadWorldLightsIfNeeded();
- for (lnum = 0, wl = r_shadow_worldlightchain;wl;wl = wl->next, lnum++)
- {
- if (d_lightstylevalue[wl->style] <= 0)
- continue;
- if (VIS_CullBox(wl->mins, wl->maxs))
- continue;
- if (r_shadow_debuglight.integer >= 0 && lnum != r_shadow_debuglight.integer)
- continue;
- if (R_Shadow_ScissorForBBox(wl->mins, wl->maxs))
- continue;
-
- cullradius = wl->cullradius;
- lightradius = wl->lightradius;
- VectorCopy(wl->mins, clipmins);
- VectorCopy(wl->maxs, clipmaxs);
-
- f = d_lightstylevalue[wl->style] * (1.0f / 256.0f);
- VectorScale(wl->light, f, lightcolor);
- if (wl->selected)
- {
- f = 2 + sin(realtime * M_PI * 4.0);
- VectorScale(lightcolor, f, lightcolor);
- }
-
- if (wl->castshadows && (gl_stencil || visiblevolumes))
- {
- if (!visiblevolumes)
- R_Shadow_Stage_ShadowVolumes();
- ent = &cl_entities[0].render;
- if (wl->shadowvolume && r_shadow_staticworldlights.integer)
- R_Shadow_DrawWorldLightShadowVolume(&ent->matrix, wl);
- else
- R_TestAndDrawShadowVolume(ent, wl->origin, cullradius, lightradius, wl->mins, wl->maxs, clipmins, clipmaxs, true);
- if (r_drawentities.integer)
- for (i = 0;i < r_refdef.numentities;i++)
- R_TestAndDrawShadowVolume(r_refdef.entities[i], wl->origin, cullradius, lightradius, wl->mins, wl->maxs, clipmins, clipmaxs, true);
- }
-
- if (!visiblevolumes)
- {
- if (wl->castshadows && gl_stencil)
- R_Shadow_Stage_LightWithShadows();
- else
- R_Shadow_Stage_LightWithoutShadows();
-
- // calculate world to filter matrix
- Matrix4x4_CreateFromQuakeEntity(&matrix, wl->origin[0], wl->origin[1], wl->origin[2], wl->angles[0], wl->angles[1], wl->angles[2], lightradius);
- Matrix4x4_Invert_Simple(&matrix_worldtofilter, &matrix);
- // calculate world to attenuationxyz/xy matrix
- Matrix4x4_CreateFromQuakeEntity(&matrix, 0.5, 0.5, 0.5, 0, 0, 0, 0.5);
- Matrix4x4_Concat(&matrix_worldtoattenuationxyz, &matrix, &matrix_worldtofilter);
- // calculate world to attenuationz matrix
- matrix.m[0][0] = 0;matrix.m[0][1] = 0;matrix.m[0][2] = 0.5;matrix.m[0][3] = 0.5;
- matrix.m[1][0] = 0;matrix.m[1][1] = 0;matrix.m[1][2] = 0 ;matrix.m[1][3] = 0.5;
- matrix.m[2][0] = 0;matrix.m[2][1] = 0;matrix.m[2][2] = 0 ;matrix.m[2][3] = 0.5;
- matrix.m[3][0] = 0;matrix.m[3][1] = 0;matrix.m[3][2] = 0 ;matrix.m[3][3] = 1;
- Matrix4x4_Concat(&matrix_worldtoattenuationz, &matrix, &matrix_worldtofilter);
-
- ent = &cl_entities[0].render;
- if (ent->model && ent->model->DrawLight)
- {
- Matrix4x4_Transform(&ent->inversematrix, wl->origin, relativelightorigin);
- Matrix4x4_Transform(&ent->inversematrix, r_origin, relativeeyeorigin);
- Matrix4x4_Concat(&matrix_modeltofilter, &matrix_worldtofilter, &ent->matrix);
- Matrix4x4_Concat(&matrix_modeltoattenuationxyz, &matrix_worldtoattenuationxyz, &ent->matrix);
- Matrix4x4_Concat(&matrix_modeltoattenuationz, &matrix_worldtoattenuationz, &ent->matrix);
- if (wl->numsurfaces)
- R_Model_Brush_DrawLightForSurfaceList(ent, relativelightorigin, relativeeyeorigin, lightradius, lightcolor, wl->surfaces, wl->numsurfaces, &matrix_modeltofilter, &matrix_modeltoattenuationxyz, &matrix_modeltoattenuationz);
- else
- ent->model->DrawLight(ent, relativelightorigin, relativeeyeorigin, lightradius / ent->scale, lightcolor, &matrix_modeltofilter, &matrix_modeltoattenuationxyz, &matrix_modeltoattenuationz);
- }
- if (r_drawentities.integer)
- {
- for (i = 0;i < r_refdef.numentities;i++)
- {
- ent = r_refdef.entities[i];
- if (ent->visframe == r_framecount && ent->model && ent->model->DrawLight
- && BoxesOverlap(ent->mins, ent->maxs, clipmins, clipmaxs)
- && !(ent->effects & EF_ADDITIVE) && ent->alpha == 1)
- {
- Matrix4x4_Transform(&ent->inversematrix, wl->origin, relativelightorigin);
- Matrix4x4_Transform(&ent->inversematrix, r_origin, relativeeyeorigin);
- Matrix4x4_Concat(&matrix_modeltofilter, &matrix_worldtofilter, &ent->matrix);
- Matrix4x4_Concat(&matrix_modeltoattenuationxyz, &matrix_worldtoattenuationxyz, &ent->matrix);
- Matrix4x4_Concat(&matrix_modeltoattenuationz, &matrix_worldtoattenuationz, &ent->matrix);
- ent->model->DrawLight(ent, relativelightorigin, relativeeyeorigin, lightradius / ent->scale, lightcolor, &matrix_modeltofilter, &matrix_modeltoattenuationxyz, &matrix_modeltoattenuationz);
- }
- }
- }
- }
- }
- }
- if (r_shadow_realtime_world.integer || r_shadow_realtime_dlight.integer)
- {
- for (lnum = 0, rd = r_dlight;lnum < r_numdlights;lnum++, rd++)
- {
- lightradius = rd->cullradius;
- clipmins[0] = rd->origin[0] - lightradius;
- clipmins[1] = rd->origin[1] - lightradius;
- clipmins[2] = rd->origin[2] - lightradius;
- clipmaxs[0] = rd->origin[0] + lightradius;
- clipmaxs[1] = rd->origin[1] + lightradius;
- clipmaxs[2] = rd->origin[2] + lightradius;
- if (VIS_CullBox(clipmins, clipmaxs) || R_Shadow_ScissorForBBox(clipmins, clipmaxs))
- continue;
-
- cullradius = RadiusFromBoundsAndOrigin(clipmins, clipmaxs, rd->origin);
- VectorScale(rd->light, (1.0f / 4096.0f), lightcolor);
-
- if (r_shadow_shadows.integer && (gl_stencil || visiblevolumes))
- {
- if (!visiblevolumes)
- R_Shadow_Stage_ShadowVolumes();
- ent = &cl_entities[0].render;
- R_TestAndDrawShadowVolume(ent, rd->origin, cullradius, lightradius, clipmins, clipmaxs, clipmins, clipmaxs, false);
- if (r_drawentities.integer)
- {
- for (i = 0;i < r_refdef.numentities;i++)
- {
- ent = r_refdef.entities[i];
- if (ent != rd->ent)
- R_TestAndDrawShadowVolume(ent, rd->origin, cullradius, lightradius, clipmins, clipmaxs, clipmins, clipmaxs, false);
- }
- }
- }
-
- if (!visiblevolumes)
- {
- if (r_shadow_shadows.integer && gl_stencil)
- R_Shadow_Stage_LightWithShadows();
- else
- R_Shadow_Stage_LightWithoutShadows();
-
- // calculate world to filter matrix
- Matrix4x4_CreateFromQuakeEntity(&matrix, rd->origin[0], rd->origin[1], rd->origin[2], 0, 0, 0, lightradius);
- Matrix4x4_Invert_Simple(&matrix_worldtofilter, &matrix);
- // calculate world to attenuationxyz/xy matrix
- Matrix4x4_CreateFromQuakeEntity(&matrix, 0.5, 0.5, 0.5, 0, 0, 0, 0.5);
- Matrix4x4_Concat(&matrix_worldtoattenuationxyz, &matrix, &matrix_worldtofilter);
- // calculate world to attenuationz matrix
- matrix.m[0][0] = 0;matrix.m[0][1] = 0;matrix.m[0][2] = 0.5;matrix.m[0][3] = 0.5;
- matrix.m[1][0] = 0;matrix.m[1][1] = 0;matrix.m[1][2] = 0 ;matrix.m[1][3] = 0.5;
- matrix.m[2][0] = 0;matrix.m[2][1] = 0;matrix.m[2][2] = 0 ;matrix.m[2][3] = 0.5;
- matrix.m[3][0] = 0;matrix.m[3][1] = 0;matrix.m[3][2] = 0 ;matrix.m[3][3] = 1;
- Matrix4x4_Concat(&matrix_worldtoattenuationz, &matrix, &matrix_worldtofilter);
-
- ent = &cl_entities[0].render;
- if (ent->model && ent->model->DrawLight)
- {
- Matrix4x4_Transform(&ent->inversematrix, rd->origin, relativelightorigin);
- Matrix4x4_Transform(&ent->inversematrix, r_origin, relativeeyeorigin);
- Matrix4x4_Concat(&matrix_modeltofilter, &matrix_worldtofilter, &ent->matrix);
- Matrix4x4_Concat(&matrix_modeltoattenuationxyz, &matrix_worldtoattenuationxyz, &ent->matrix);
- Matrix4x4_Concat(&matrix_modeltoattenuationz, &matrix_worldtoattenuationz, &ent->matrix);
- ent->model->DrawLight(ent, relativelightorigin, relativeeyeorigin, lightradius / ent->scale, lightcolor, &matrix_modeltofilter, &matrix_modeltoattenuationxyz, &matrix_modeltoattenuationz);
- }
- if (r_drawentities.integer)
- {
- for (i = 0;i < r_refdef.numentities;i++)
- {
- ent = r_refdef.entities[i];
- if (ent->visframe == r_framecount && ent->model && ent->model->DrawLight
- && BoxesOverlap(ent->mins, ent->maxs, clipmins, clipmaxs)
- && !(ent->effects & EF_ADDITIVE) && ent->alpha == 1)
- {
- Matrix4x4_Transform(&ent->inversematrix, rd->origin, relativelightorigin);
- Matrix4x4_Transform(&ent->inversematrix, r_origin, relativeeyeorigin);
- Matrix4x4_Concat(&matrix_modeltofilter, &matrix_worldtofilter, &ent->matrix);
- Matrix4x4_Concat(&matrix_modeltoattenuationxyz, &matrix_worldtoattenuationxyz, &ent->matrix);
- Matrix4x4_Concat(&matrix_modeltoattenuationz, &matrix_worldtoattenuationz, &ent->matrix);
- ent->model->DrawLight(ent, relativelightorigin, relativeeyeorigin, lightradius / ent->scale, lightcolor, &matrix_modeltofilter, &matrix_modeltoattenuationxyz, &matrix_modeltoattenuationz);
- }
- }
- }
- }
- }
- }
-
- if (visiblevolumes)
- qglEnable(GL_CULL_FACE);
- else
- R_Shadow_Stage_End();
- qglDisable(GL_SCISSOR_TEST);
-}
-
-static void R_SetFrustum (void)
-{