" vec3 sun_colour = mix( vec3(1.0), g_sunset_colour.rgb, g_sunset_phase*0.5 );\n"
" sun_colour *= sun_shape;\n"
"\n"
-"\n"
+" \n"
" float star = 0.0;\n"
-" for( float j = 1.0; j <= 4.1; j += 1.0 ){\n"
-" float m = mix(0.6, 0.9, smoothstep(1.0, 2.0, j));\n"
-" star += stars( ray_dir, 1.94 * pow( 1.64, j ), m ) * (1.0 / pow(4.0, j));\n"
+" float star_blend = 10.0*max(0.0,(1.0-g_day_phase*2.0));\n"
+"\n"
+" if( star_blend > 0.001 ){\n"
+" for( float j = 1.0; j <= 4.1; j += 1.0 ){\n"
+" float m = mix(0.6, 0.9, smoothstep(1.0, 2.0, j));\n"
+" star += stars( ray_dir, 1.94 * pow( 1.64, j ), m ) * (1.0/pow(4.0, j));\n"
+" }\n"
" }\n"
" \n"
-" vec3 composite = sky_colour + sun_colour + star*10.0*max(0.0,(1.0-g_day_phase*2.0));\n"
+" vec3 composite = sky_colour + sun_colour + star*star_blend;\n"
" return composite;\n"
"}\n"
"\n"
"\n"
"#line 13 0 \n"
"\n"
+"vec3 character_clearskies_lighting( vec3 normal, float shadow, vec3 halfview )\n"
+"{\n"
+" float fresnel = step(0.5,1.0 - abs(dot(normal,halfview)));\n"
+"\n"
+" vec3 reflect_colour = mix( g_daysky_colour.rgb, g_sunset_colour.rgb, \n"
+" g_sunset_phase );\n"
+"\n"
+"\n"
+" vec3 sky_reflection = 0.5 * fresnel * reflect_colour;\n"
+" vec3 light_sun = max(0.0, dot(normal,g_sun_dir.xyz)*0.5+0.5) \n"
+" * g_sun_colour.rgb * g_day_phase;\n"
+"\n"
+" float scaled_shadow = max( shadow, 1.0 - max(g_sun_dir.y,0.0) );\n"
+" vec3 ambient = mix( g_ambient_colour.rgb, g_sunset_ambient.rgb, \n"
+" g_sunset_phase );\n"
+"\n"
+" return ambient + (light_sun + sky_reflection) * shadow;\n"
+"}\n"
+"\n"
+"vec3 character_compute_lighting( vec3 diffuse, vec3 normal, vec3 co,\n"
+" float light_mask )\n"
+"{\n"
+" if( g_light_preview == 1 )\n"
+" diffuse = vec3(0.75);\n"
+"\n"
+" // Lighting\n"
+" vec3 halfview = uCamera - co;\n"
+" float fdist = length(halfview);\n"
+" halfview /= fdist;\n"
+"\n"
+" float world_shadow = newlight_compute_sun_shadow( \n"
+" co, g_sun_dir.xyz * (1.0/(max(g_sun_dir.y,0.0)+0.2)) );\n"
+"\n"
+" vec3 total_light = character_clearskies_lighting( \n"
+" normal, min( light_mask, world_shadow ), halfview );\n"
+"\n"
+" vec3 cube_coord = (co - g_cube_min.xyz) * g_cube_inv_range.xyz;\n"
+" cube_coord = floor( cube_coord );\n"
+"\n"
+" if( g_debug_indices == 1 )\n"
+" {\n"
+" return rand33(cube_coord);\n"
+" }\n"
+"\n"
+" if( g_debug_complexity == 1 )\n"
+" {\n"
+" ivec3 coord = ivec3( cube_coord );\n"
+" uvec4 index_sample = texelFetch( uLightsIndex, coord, 0 );\n"
+"\n"
+" uint light_count = (index_sample.x & 0x3u) + (index_sample.y & 0x3u);\n"
+" return vec3( float(light_count)*(1.0/6.0), 0.0, 0.5 );\n"
+" }\n"
+"\n"
+" // FIXME: this coord should absolutely must be clamped!\n"
+" \n"
+" ivec3 coord = ivec3( cube_coord );\n"
+" uvec4 index_sample = texelFetch( uLightsIndex, coord, 0 );\n"
+"\n"
+" total_light += \n"
+" scene_calculate_packed_light_patch( index_sample.x,\n"
+" halfview, co, normal ) \n"
+" * light_mask;\n"
+" total_light += \n"
+" scene_calculate_packed_light_patch( index_sample.y,\n"
+" halfview, co, normal )\n"
+" * light_mask;\n"
+"\n"
+" // Take a section of the sky function to give us a matching fog colour\n"
+"\n"
+" vec3 fog_colour = clearskies_ambient( -halfview );\n"
+" float sun_theta = dot( -halfview, g_sun_dir.xyz );\n"
+" float sun_size = max( 0.0, sun_theta * 0.5 + 0.5 );\n"
+" float sun_shape = sun_size * max(g_sun_dir.y,0.0) * 0.5;\n"
+" \n"
+" vec3 sun_colour = mix( vec3(1.0), g_sunset_colour.rgb, g_sunset_phase*0.5 );\n"
+" sun_colour *= sun_shape;\n"
+"\n"
+" fog_colour += sun_colour;\n"
+" return scene_apply_fog( diffuse * total_light, fog_colour, fdist );\n"
+"}\n"
+"\n"
"void main(){\n"
" depth_compare_dither();\n"
" compute_motion_vectors();\n"
"\n"
" vec3 qnorm = aNorm;\n"
" vec3 diffuse = texture( uTexMain, aUv ).rgb;\n"
-" vec3 composite = world_compute_lighting( diffuse, qnorm, aWorldCo, 1.0 );\n"
+" vec3 composite = character_compute_lighting( diffuse, qnorm, aWorldCo, 1.0 );\n"
"\n"
" float dist = distance( aWorldCo, uCamera ) - 0.08;\n"
" float opacity = clamp( dist*dist, 0.0, 1.0 );\n"