diff --git a/first.jai b/first.jai
index 38d1e6d..cb51c8a 100644
--- a/first.jai
+++ b/first.jai
@@ -228,7 +228,7 @@ wasm_build :: (opts: Build_Options, trueno_opts: Trueno_Build_Options) {
         "emcc",
         "src/platform_specific/main.c", "dist/main.o", "modules/sokol-jai/sokol/gfx/sokol_gfx_wasm_gl_release.a", "modules/sokol-jai/sokol/log/sokol_log_wasm_gl_release.a", "modules/sokol-jai/sokol/audio/sokol_audio_wasm_gl_release.a", "modules/sokol-jai/sokol/time/sokol_time_wasm_gl_release.a", "modules/sokol-jai/sokol/app/sokol_app_wasm_gl_release.a", "modules/sokol-jai/sokol/glue/sokol_glue_wasm_gl_release.a", "modules/sokol-jai/sokol/fetch/sokol_fetch_wasm_gl_release.a", "modules/Fontstash/wasm/fontstash.a",
         "modules/sokol-jai/sokol/stbi/stb_image.a",
-        "modules/sokol-jai/sokol/stbv/stb_vorbis.a",
+        "modules/stb_vorbis/wasm/stb_vorbis.a",
         "-o", "dist/index.html",
         "-sSTACK_SIZE=10MB",
         "-sALLOW_MEMORY_GROWTH",
diff --git a/modules/stb_vorbis/bindings.jai b/modules/stb_vorbis/bindings.jai
index 4c64a55..bd1dcb2 100644
--- a/modules/stb_vorbis/bindings.jai
+++ b/modules/stb_vorbis/bindings.jai
@@ -265,6 +265,8 @@ STBVorbisError :: enum u32 {
     } else #if CPU == .ARM64 {
         lib_stb_vorbis :: #library "switch2/stb_vorbis";
     }
+} else #if OS == .WASM {
+    lib_stb_vorbis :: #library,no_dll "wasm/stb_vorbis";
 } else {
     #assert false;
 }
diff --git a/modules/stb_vorbis/generate.jai b/modules/stb_vorbis/generate.jai
index 3557070..0a6c2f4 100644
--- a/modules/stb_vorbis/generate.jai
+++ b/modules/stb_vorbis/generate.jai
@@ -149,6 +149,8 @@ FOOTER_TEMPLATE :: #string END
     } else #if CPU == .ARM64 {
         %2 :: #library "switch2/%1";
     }
+} else #if OS == .WASM {
+    %2 :: #library,no_dll "wasm/%1";
 } else {
     #assert false;
 }
diff --git a/modules/stb_vorbis/wasm/stb_vorbis.a b/modules/stb_vorbis/wasm/stb_vorbis.a
new file mode 100644
index 0000000..a6e01a3
Binary files /dev/null and b/modules/stb_vorbis/wasm/stb_vorbis.a differ
diff --git a/settings.cfg b/settings.cfg
index a66236c..47c64bb 100644
--- a/settings.cfg
+++ b/settings.cfg
@@ -1,4 +1,4 @@
-master_volume 0.205032
+master_volume 0.05216
 music_volume 1
 sfx_volume 1
-fullscreen 0
+fullscreen 1
diff --git a/src/audio/mixer.jai b/src/audio/mixer.jai
index 68e3dd4..a28befc 100644
--- a/src/audio/mixer.jai
+++ b/src/audio/mixer.jai
@@ -92,6 +92,17 @@ mixer_queue_next :: (current_audio: *Audio_Data, next_task: Mixer_Play_Task) {
     array_add(*g_mixer.tasks, next_task);
 }
 
+mixer_stop :: (audio: *Audio_Data) {
+    mixer_lock(*g_mixer);
+    defer mixer_unlock(*g_mixer);
+    for g_mixer.tasks {
+        if it.audio != audio  continue;
+        if it.queued_next then free(it.queued_next);
+        free(it.audio_state);
+        remove it;
+    }
+}
+
 mixer_get_samples :: (buffer: *float, frame_count: s32, channel_count: s32) {
     mixer_lock(*g_mixer);
     defer mixer_unlock(*g_mixer);
diff --git a/src/renderer_sokol/gpu.jai b/src/renderer_sokol/gpu.jai
index 7428431..32f8077 100644
--- a/src/renderer_sokol/gpu.jai
+++ b/src/renderer_sokol/gpu.jai
@@ -90,6 +90,7 @@ Pass :: struct {
     kind       : Pass_Kind;
     params     : View_Params;
     shadow     : Shadow_Params;
+    frustum    : [6]Vector4;
 }
 
 make_pass :: (scene: *Scene, view_index: int, kind: Pass_Kind) -> Pass {
@@ -110,6 +111,7 @@ make_pass :: (scene: *Scene, view_index: int, kind: Pass_Kind) -> Pass {
         camera    = pass.view.camera.target + env.sun_direction * 1000;
         view_proj = scene.shadow_view_proj[view_index];
     }
+    pass.frustum = frustum_planes(view_proj);
     _, inv_view_proj := inverse(view_proj);
     pass.params.view_proj     = view_proj.floats;
     pass.params.inv_view_proj = inv_view_proj.floats;
@@ -131,6 +133,22 @@ make_pass :: (scene: *Scene, view_index: int, kind: Pass_Kind) -> Pass {
     return pass;
 }
 
+frustum_planes :: (m: Matrix4) -> [6]Vector4 {
+    column :: (m: Matrix4, j: int) -> Vector4 { return .{m.coef[0][j], m.coef[1][j], m.coef[2][j], m.coef[3][j]}; }
+    x, y, z, w := column(m, 0), column(m, 1), column(m, 2), column(m, 3);
+    return .[w + x, w - x, w + y, w - y, w + z, w - z];
+}
+
+box_in_frustum :: (planes: [6]Vector4, lo: Vector3, hi: Vector3) -> bool {
+    for planes {
+        x := ifx it.x > 0 then hi.x else lo.x;
+        y := ifx it.y > 0 then hi.y else lo.y;
+        z := ifx it.z > 0 then hi.z else lo.z;
+        if it.x * x + it.y * y + it.z * z + it.w < 0  return false;
+    }
+    return true;
+}
+
 apply_uniforms :: (slot: s32, params: *$T) {
     sg_apply_uniforms(slot, *(sg_range.{ params, size_of(T) }));
 }
diff --git a/src/renderer_sokol/shaders/jai/shaders.jai b/src/renderer_sokol/shaders/jai/shaders.jai
index 3299d33..7fbfe28 100644
--- a/src/renderer_sokol/shaders/jai/shaders.jai
+++ b/src/renderer_sokol/shaders/jai/shaders.jai
@@ -1561,8 +1561,8 @@ vs_trile_source_glsl430 := u8.[
     layout(location = 5) in float v_facing;
     layout(location = 2) in vec3 v_world;
     layout(location = 3) in vec3 v_normal;
-    layout(location = 6) in float v_ao;
     layout(location = 7) in vec3 v_shade;
+    layout(location = 6) in float v_ao;
     layout(location = 8) in vec3 v_sun;
     layout(location = 1) in vec3 v_to_camera;
     layout(location = 0) out vec4 frag_color;
@@ -1745,74 +1745,77 @@ vs_trile_source_glsl430 := u8.[
         vec3 param_2 = v_normal;
         vec3 _590 = sun_shadow(param_1, param_2);
         vec3 _591 = _590 * v_facing;
-        vec4 _605;
+        vec4 _598;
         if (trile_fs_params[1].w > 0.5)
         {
             vec3 param_3 = v_world;
             vec3 param_4 = v_normal;
-            _605 = probe_light(param_3, param_4);
+            _598 = probe_light(param_3, param_4);
         }
         else
         {
-            _605 = vec4(0.0);
+            _598 = vec4(0.0);
         }
-        vec3 color = albedo * mix((v_shade + _605.xyz) * mix(0.60000002384185791015625, 1.0, v_ao), v_sun, _591 * mix(0.25, 1.0, v_ao));
+        vec3 _623 = v_sun * _591;
+        vec3 _627 = _623 * mix(0.25, 1.0, v_ao);
+        vec3 color = albedo * (((v_shade + _598.xyz) * mix(0.60000002384185791015625, 1.0, v_ao)) + _627);
         vec3 param_5 = _591;
-        float _638 = brightest(param_5);
-        if (_638 > 0.001000000047497451305389404296875)
+        float _637 = brightest(param_5);
+        if (_637 > 0.001000000047497451305389404296875)
         {
-            color = mix(color, _591 * v_sun, vec3(min(1.0, ((_638 - min(_591.x, min(_591.y, _591.z))) / _638) * 2.0)));
+            color += ((_627 * (vec3(1.0) - albedo)) * ((_637 - min(_591.x, min(_591.y, _591.z))) / _637));
         }
-        float _668 = _548.w;
-        float glow = _668 * 8.0;
-        float _671 = _556.z;
-        if (_671 > 0.0)
+        float _667 = _548.w;
+        vec3 param_6 = _627;
+        float glow = (_667 * 8.0) + (brightest(param_6) * 1.5);
+        float _675 = _556.z;
+        if (_675 > 0.0)
         {
-            float _696 = pow(max(dot(v_normal, normalize(normalize(v_to_camera) + trile_fs_params[0].xyz)), 0.0), mix(4.0, 96.0, _671)) * _671;
-            color += ((v_sun * _591) * _696);
-            vec3 param_6 = _591;
-            glow += ((_696 * brightest(param_6)) * 4.0);
+            float _700 = pow(max(dot(v_normal, normalize(normalize(v_to_camera) + trile_fs_params[0].xyz)), 0.0), mix(4.0, 96.0, _675)) * _675;
+            color += (_623 * _700);
+            vec3 param_7 = _591;
+            glow += ((_700 * brightest(param_7)) * 4.0);
         }
-        bool _714 = trile_fs_params[3].x > 0.5;
-        bool _720;
-        if (_714)
+        bool _718 = trile_fs_params[3].x > 0.5;
+        bool _724;
+        if (_718)
         {
-            _720 = _556.y > 0.0;
+            _724 = _556.y > 0.0;
         }
         else
         {
-            _720 = _714;
+            _724 = _718;
         }
-        bool _726;
-        if (_720)
+        bool _730;
+        if (_724)
         {
-            _726 = v_normal.y > 0.5;
+            _730 = v_normal.y > 0.5;
         }
         else
         {
-            _726 = _720;
+            _730 = _724;
         }
-        bool _736;
-        if (_726)
+        bool _740;
+        if (_730)
         {
-            _736 = abs(v_world.y - trile_fs_params[3].y) < 0.0199999995529651641845703125;
+            _740 = abs(v_world.y - trile_fs_params[3].y) < 0.0199999995529651641845703125;
         }
         else
         {
-            _736 = _726;
+            _740 = _730;
         }
-        if (_736)
+        if (_740)
         {
-            vec2 _750 = gl_FragCoord.xy / vec2(textureSize(trile_reflection_trile_reflection_smp, 0));
-            vec2 _757 = vec2(_750.x, 1.0 - _750.y);
-            float _766 = _556.y;
-            color = mix(color, texture(trile_reflection_trile_reflection_smp, _757).xyz, vec3(_766));
-            glow = max(glow, texture(trile_reflection_glow_trile_reflection_smp, _757).x * pow(_766, 0.4000000059604644775390625));
+            vec2 _754 = gl_FragCoord.xy / vec2(textureSize(trile_reflection_trile_reflection_smp, 0));
+            vec2 _761 = vec2(_754.x, 1.0 - _754.y);
+            float _770 = _556.y;
+            color = mix(color, texture(trile_reflection_trile_reflection_smp, _761).xyz, vec3(_770));
+            glow = max(glow, texture(trile_reflection_glow_trile_reflection_smp, _761).x * pow(_770, 0.4000000059604644775390625));
         }
-        frag_color = vec4(mix(color, albedo, vec3(_668)), 1.0);
-        vec3 param_7 = v_to_camera;
-        float param_8 = glow;
-        write_scene(param_7, param_8);
+        frag_color = vec4(mix(color, albedo, vec3(_667)), 1.0);
+        vec3 param_8 = v_to_camera;
+        float param_9 = glow;
+        write_scene(param_8, param_9);
     }
 
 */
@@ -1882,11 +1885,11 @@ fs_trile_source_glsl430 := u8.[
     0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,
     0x6e,0x20,0x3d,0x20,0x33,0x29,0x20,0x69,0x6e,0x20,0x76,0x65,0x63,0x33,0x20,0x76,
     0x5f,0x6e,0x6f,0x72,0x6d,0x61,0x6c,0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,
-    0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x36,0x29,0x20,0x69,0x6e,
-    0x20,0x66,0x6c,0x6f,0x61,0x74,0x20,0x76,0x5f,0x61,0x6f,0x3b,0x0a,0x6c,0x61,0x79,
-    0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x37,
-    0x29,0x20,0x69,0x6e,0x20,0x76,0x65,0x63,0x33,0x20,0x76,0x5f,0x73,0x68,0x61,0x64,
-    0x65,0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,
+    0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x37,0x29,0x20,0x69,0x6e,
+    0x20,0x76,0x65,0x63,0x33,0x20,0x76,0x5f,0x73,0x68,0x61,0x64,0x65,0x3b,0x0a,0x6c,
+    0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,
+    0x20,0x36,0x29,0x20,0x69,0x6e,0x20,0x66,0x6c,0x6f,0x61,0x74,0x20,0x76,0x5f,0x61,
+    0x6f,0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,0x63,0x61,0x74,0x69,
     0x6f,0x6e,0x20,0x3d,0x20,0x38,0x29,0x20,0x69,0x6e,0x20,0x76,0x65,0x63,0x33,0x20,
     0x76,0x5f,0x73,0x75,0x6e,0x3b,0x0a,0x6c,0x61,0x79,0x6f,0x75,0x74,0x28,0x6c,0x6f,
     0x63,0x61,0x74,0x69,0x6f,0x6e,0x20,0x3d,0x20,0x31,0x29,0x20,0x69,0x6e,0x20,0x76,
@@ -2191,132 +2194,137 @@ fs_trile_source_glsl430 := u8.[
     0x28,0x70,0x61,0x72,0x61,0x6d,0x5f,0x31,0x2c,0x20,0x70,0x61,0x72,0x61,0x6d,0x5f,
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+    0x69,0x6e,0x67,0x3b,0x0a,0x20,0x20,0x20,0x20,0x76,0x65,0x63,0x34,0x20,0x5f,0x35,
+    0x39,0x38,0x3b,0x0a,0x20,0x20,0x20,0x20,0x69,0x66,0x20,0x28,0x74,0x72,0x69,0x6c,
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+    0x7b,0x0a,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x5f,0x35,0x39,0x38,0x20,0x3d,
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-    0x38,0x20,0x3e,0x20,0x30,0x2e,0x30,0x30,0x31,0x30,0x30,0x30,0x30,0x30,0x30,0x30,
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 ];
 /*
     #version 430
@@ -5061,8 +5069,8 @@ vs_trile_source_glsl300es := u8.[
     in highp float v_facing;
     in highp vec3 v_world;
     in highp vec3 v_normal;
-    in highp float v_ao;
     in highp vec3 v_shade;
+    in highp float v_ao;
     in highp vec3 v_sun;
     in highp vec3 v_to_camera;
     layout(location = 0) out highp vec4 frag_color;
@@ -5245,74 +5253,77 @@ vs_trile_source_glsl300es := u8.[
         highp vec3 param_2 = v_normal;
         highp vec3 _590 = sun_shadow(param_1, param_2);
         highp vec3 _591 = _590 * v_facing;
-        highp vec4 _605;
+        highp vec4 _598;
         if (trile_fs_params[1].w > 0.5)
         {
             highp vec3 param_3 = v_world;
             highp vec3 param_4 = v_normal;
-            _605 = probe_light(param_3, param_4);
+            _598 = probe_light(param_3, param_4);
         }
         else
         {
-            _605 = vec4(0.0);
+            _598 = vec4(0.0);
         }
-        highp vec3 color = albedo * mix((v_shade + _605.xyz) * mix(0.60000002384185791015625, 1.0, v_ao), v_sun, _591 * mix(0.25, 1.0, v_ao));
+        highp vec3 _623 = v_sun * _591;
+        highp vec3 _627 = _623 * mix(0.25, 1.0, v_ao);
+        highp vec3 color = albedo * (((v_shade + _598.xyz) * mix(0.60000002384185791015625, 1.0, v_ao)) + _627);
         highp vec3 param_5 = _591;
-        highp float _638 = brightest(param_5);
-        if (_638 > 0.001000000047497451305389404296875)
+        highp float _637 = brightest(param_5);
+        if (_637 > 0.001000000047497451305389404296875)
         {
-            color = mix(color, _591 * v_sun, vec3(min(1.0, ((_638 - min(_591.x, min(_591.y, _591.z))) / _638) * 2.0)));
+            color += ((_627 * (vec3(1.0) - albedo)) * ((_637 - min(_591.x, min(_591.y, _591.z))) / _637));
         }
-        highp float _668 = _548.w;
-        highp float glow = _668 * 8.0;
-        highp float _671 = _556.z;
-        if (_671 > 0.0)
+        highp float _667 = _548.w;
+        highp vec3 param_6 = _627;
+        highp float glow = (_667 * 8.0) + (brightest(param_6) * 1.5);
+        highp float _675 = _556.z;
+        if (_675 > 0.0)
         {
-            highp float _696 = pow(max(dot(v_normal, normalize(normalize(v_to_camera) + trile_fs_params[0].xyz)), 0.0), mix(4.0, 96.0, _671)) * _671;
-            color += ((v_sun * _591) * _696);
-            highp vec3 param_6 = _591;
-            glow += ((_696 * brightest(param_6)) * 4.0);
+            highp float _700 = pow(max(dot(v_normal, normalize(normalize(v_to_camera) + trile_fs_params[0].xyz)), 0.0), mix(4.0, 96.0, _675)) * _675;
+            color += (_623 * _700);
+            highp vec3 param_7 = _591;
+            glow += ((_700 * brightest(param_7)) * 4.0);
         }
-        bool _714 = trile_fs_params[3].x > 0.5;
-        bool _720;
-        if (_714)
+        bool _718 = trile_fs_params[3].x > 0.5;
+        bool _724;
+        if (_718)
         {
-            _720 = _556.y > 0.0;
+            _724 = _556.y > 0.0;
         }
         else
         {
-            _720 = _714;
+            _724 = _718;
         }
-        bool _726;
-        if (_720)
+        bool _730;
+        if (_724)
         {
-            _726 = v_normal.y > 0.5;
+            _730 = v_normal.y > 0.5;
         }
         else
         {
-            _726 = _720;
+            _730 = _724;
         }
-        bool _736;
-        if (_726)
+        bool _740;
+        if (_730)
         {
-            _736 = abs(v_world.y - trile_fs_params[3].y) < 0.0199999995529651641845703125;
+            _740 = abs(v_world.y - trile_fs_params[3].y) < 0.0199999995529651641845703125;
         }
         else
         {
-            _736 = _726;
+            _740 = _730;
         }
-        if (_736)
+        if (_740)
         {
-            highp vec2 _750 = gl_FragCoord.xy / vec2(textureSize(trile_reflection_trile_reflection_smp, 0));
-            highp vec2 _757 = vec2(_750.x, 1.0 - _750.y);
-            highp float _766 = _556.y;
-            color = mix(color, texture(trile_reflection_trile_reflection_smp, _757).xyz, vec3(_766));
-            glow = max(glow, texture(trile_reflection_glow_trile_reflection_smp, _757).x * pow(_766, 0.4000000059604644775390625));
+            highp vec2 _754 = gl_FragCoord.xy / vec2(textureSize(trile_reflection_trile_reflection_smp, 0));
+            highp vec2 _761 = vec2(_754.x, 1.0 - _754.y);
+            highp float _770 = _556.y;
+            color = mix(color, texture(trile_reflection_trile_reflection_smp, _761).xyz, vec3(_770));
+            glow = max(glow, texture(trile_reflection_glow_trile_reflection_smp, _761).x * pow(_770, 0.4000000059604644775390625));
         }
-        frag_color = vec4(mix(color, albedo, vec3(_668)), 1.0);
-        highp vec3 param_7 = v_to_camera;
-        highp float param_8 = glow;
-        write_scene(param_7, param_8);
+        frag_color = vec4(mix(color, albedo, vec3(_667)), 1.0);
+        highp vec3 param_8 = v_to_camera;
+        highp float param_9 = glow;
+        write_scene(param_8, param_9);
     }
 
 */
@@ -5373,9 +5384,9 @@ fs_trile_source_glsl300es := u8.[
     0x69,0x6e,0x20,0x68,0x69,0x67,0x68,0x70,0x20,0x76,0x65,0x63,0x33,0x20,0x76,0x5f,
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+    0x68,0x61,0x64,0x65,0x3b,0x0a,0x69,0x6e,0x20,0x68,0x69,0x67,0x68,0x70,0x20,0x66,
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@@ -5696,7 +5707,7 @@ fs_trile_source_glsl300es := u8.[
     0x67,0x68,0x70,0x20,0x76,0x65,0x63,0x33,0x20,0x5f,0x35,0x39,0x31,0x20,0x3d,0x20,
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@@ -5704,128 +5715,134 @@ fs_trile_source_glsl300es := u8.[
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 ];
 /*
     #version 300 es
@@ -9222,74 +9239,77 @@ vs_trile_source_metal_macos := u8.[
         float3 param_2 = in.v_normal;
         float3 _590 = sun_shadow(param_1, param_2, _92, shadow_map, shadow_smp, shadow_tint, shadow_tint_smp);
         float3 _591 = _590 * in.v_facing;
-        float4 _605;
+        float4 _598;
         if (_193.probe_min.w > 0.5)
         {
             float3 param_3 = in.v_world;
             float3 param_4 = in.v_normal;
-            _605 = probe_light(param_3, param_4, _193, probe_index, probe_smp, probe_atlas);
+            _598 = probe_light(param_3, param_4, _193, probe_index, probe_smp, probe_atlas);
         }
         else
         {
-            _605 = float4(0.0);
+            _598 = float4(0.0);
         }
-        float3 color = albedo * mix((in.v_shade + _605.xyz) * mix(0.60000002384185791015625, 1.0, in.v_ao), in.v_sun, _591 * mix(0.25, 1.0, in.v_ao));
+        float3 _623 = in.v_sun * _591;
+        float3 _627 = _623 * mix(0.25, 1.0, in.v_ao);
+        float3 color = albedo * (((in.v_shade + _598.xyz) * mix(0.60000002384185791015625, 1.0, in.v_ao)) + _627);
         float3 param_5 = _591;
-        float _638 = brightest(param_5);
-        if (_638 > 0.001000000047497451305389404296875)
+        float _637 = brightest(param_5);
+        if (_637 > 0.001000000047497451305389404296875)
         {
-            color = mix(color, _591 * in.v_sun, float3(fast::min(1.0, ((_638 - fast::min(_591.x, fast::min(_591.y, _591.z))) / _638) * 2.0)));
+            color += ((_627 * (float3(1.0) - albedo)) * ((_637 - fast::min(_591.x, fast::min(_591.y, _591.z))) / _637));
         }
-        float _668 = _548.w;
-        float glow = _668 * 8.0;
-        float _671 = _556.z;
-        if (_671 > 0.0)
+        float _667 = _548.w;
+        float3 param_6 = _627;
+        float glow = (_667 * 8.0) + (brightest(param_6) * 1.5);
+        float _675 = _556.z;
+        if (_675 > 0.0)
         {
-            float _696 = powr(fast::max(dot(in.v_normal, fast::normalize(fast::normalize(in.v_to_camera) + _193.sun_dir.xyz)), 0.0), mix(4.0, 96.0, _671)) * _671;
-            color += ((in.v_sun * _591) * _696);
-            float3 param_6 = _591;
-            glow += ((_696 * brightest(param_6)) * 4.0);
+            float _700 = powr(fast::max(dot(in.v_normal, fast::normalize(fast::normalize(in.v_to_camera) + _193.sun_dir.xyz)), 0.0), mix(4.0, 96.0, _675)) * _675;
+            color += (_623 * _700);
+            float3 param_7 = _591;
+            glow += ((_700 * brightest(param_7)) * 4.0);
         }
-        bool _714 = _193.use_reflection > 0.5;
-        bool _720;
-        if (_714)
+        bool _718 = _193.use_reflection > 0.5;
+        bool _724;
+        if (_718)
         {
-            _720 = _556.y > 0.0;
+            _724 = _556.y > 0.0;
         }
         else
         {
-            _720 = _714;
+            _724 = _718;
         }
-        bool _726;
-        if (_720)
+        bool _730;
+        if (_724)
         {
-            _726 = in.v_normal.y > 0.5;
+            _730 = in.v_normal.y > 0.5;
         }
         else
         {
-            _726 = _720;
+            _730 = _724;
         }
-        bool _736;
-        if (_726)
+        bool _740;
+        if (_730)
         {
-            _736 = abs(in.v_world.y - _193.reflection_height) < 0.0199999995529651641845703125;
+            _740 = abs(in.v_world.y - _193.reflection_height) < 0.0199999995529651641845703125;
         }
         else
         {
-            _736 = _726;
+            _740 = _730;
         }
-        if (_736)
+        if (_740)
         {
-            float2 _750 = gl_FragCoord.xy / float2(int2(trile_reflection.get_width(), trile_reflection.get_height()));
-            float2 _757 = float2(_750.x, 1.0 - _750.y);
-            float _766 = _556.y;
-            color = mix(color, trile_reflection.sample(trile_reflection_smp, _757).xyz, float3(_766));
-            glow = fast::max(glow, trile_reflection_glow.sample(trile_reflection_smp, _757).x * powr(_766, 0.4000000059604644775390625));
+            float2 _754 = gl_FragCoord.xy / float2(int2(trile_reflection.get_width(), trile_reflection.get_height()));
+            float2 _761 = float2(_754.x, 1.0 - _754.y);
+            float _770 = _556.y;
+            color = mix(color, trile_reflection.sample(trile_reflection_smp, _761).xyz, float3(_770));
+            glow = fast::max(glow, trile_reflection_glow.sample(trile_reflection_smp, _761).x * powr(_770, 0.4000000059604644775390625));
         }
-        out.frag_color = float4(mix(color, albedo, float3(_668)), 1.0);
-        float3 param_7 = in.v_to_camera;
-        float param_8 = glow;
-        write_scene(param_7, param_8, out.frag_glow, out.frag_scene);
+        out.frag_color = float4(mix(color, albedo, float3(_667)), 1.0);
+        float3 param_8 = in.v_to_camera;
+        float param_9 = glow;
+        write_scene(param_8, param_9, out.frag_glow, out.frag_scene);
         return out;
     }
 
@@ -9814,7 +9834,7 @@ fs_trile_source_metal_macos := u8.[
     0x69,0x6e,0x74,0x5f,0x73,0x6d,0x70,0x29,0x3b,0x0a,0x20,0x20,0x20,0x20,0x66,0x6c,
     0x6f,0x61,0x74,0x33,0x20,0x5f,0x35,0x39,0x31,0x20,0x3d,0x20,0x5f,0x35,0x39,0x30,
     0x20,0x2a,0x20,0x69,0x6e,0x2e,0x76,0x5f,0x66,0x61,0x63,0x69,0x6e,0x67,0x3b,0x0a,
-    0x20,0x20,0x20,0x20,0x66,0x6c,0x6f,0x61,0x74,0x34,0x20,0x5f,0x36,0x30,0x35,0x3b,
+    0x20,0x20,0x20,0x20,0x66,0x6c,0x6f,0x61,0x74,0x34,0x20,0x5f,0x35,0x39,0x38,0x3b,
     0x0a,0x20,0x20,0x20,0x20,0x69,0x66,0x20,0x28,0x5f,0x31,0x39,0x33,0x2e,0x70,0x72,
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@@ -9822,137 +9842,141 @@ fs_trile_source_metal_macos := u8.[
     0x69,0x6e,0x2e,0x76,0x5f,0x77,0x6f,0x72,0x6c,0x64,0x3b,0x0a,0x20,0x20,0x20,0x20,
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+    0x3b,0x0a,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x5f,0x35,0x39,0x38,0x20,0x3d,
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 ];
 /*
     #include <metal_stdlib>
diff --git a/src/renderer_sokol/shaders/trile.glsl b/src/renderer_sokol/shaders/trile.glsl
index ddbded5..6c4f8b1 100644
--- a/src/renderer_sokol/shaders/trile.glsl
+++ b/src/renderer_sokol/shaders/trile.glsl
@@ -92,8 +92,8 @@ layout(binding=4) uniform texture3D probe_atlas;   // per brick 32^3 probes, 3 t
 layout(binding=2) uniform sampler probe_smp;
 
 const float GLOSS_GLOW           = 4.0;   // how much a full gloss highlight blooms
+const float SUN_GLOW             = 1.5;
 const float REFLECTED_GLOW_CURVE = 0.4;   // below 1, reflected glow fades slower than reflected colour
-const float GLASS_PROJECTION     = 2.0;   // how strongly coloured sunlight paints its colour on
 
 const int PROBE_BRICKS_PER_COLUMN = 16;
 
@@ -160,20 +160,17 @@ void main() {
     if (v_tint > 1.5)      albedo = mix(albedo, vec3(1.0, 0.2, 0.2), 0.5);
     else if (v_tint > 0.5) albedo = mix(albedo, vec3(0.2, 1.0, 0.2), 0.5);
     vec3 sun = v_facing * sun_shadow(v_world, v_normal);
-    vec3 lit = sun * mix(0.25, 1.0, v_ao);
     vec4 probe = probe_min.w > 0.5 ? probe_light(v_world, v_normal) : vec4(0.0);
-    vec3 shade = v_shade + probe.rgb;
-    vec3 light = mix(shade * mix(0.6, 1.0, v_ao), v_sun, lit);
-    vec3 color = albedo * light;
+    vec3 shade = (v_shade + probe.rgb) * mix(0.6, 1.0, v_ao);
+    vec3 incoming = v_sun * sun * mix(0.25, 1.0, v_ao);
+    vec3 color = albedo * (shade + incoming);
 
-    // Light through glass paints the glass colour onto what it hits, so the pattern
-    // shows on dark surfaces too, not only where the albedo can reflect it.
     float bright = brightest(sun);
     if (bright > 0.001) {
         float tinted = (bright - min(sun.r, min(sun.g, sun.b))) / bright;
-        color = mix(color, sun * v_sun, min(1.0, tinted * GLASS_PROJECTION));
+        color += incoming * (1.0 - albedo) * tinted;
     }
-    float glow = swatch.a * EMISSIVE_GLOW;
+    float glow = swatch.a * EMISSIVE_GLOW + brightest(incoming) * SUN_GLOW;
 
     // Glossier is both stronger and sharper.
     if (material.b > 0.0) {
diff --git a/src/renderer_sokol/triles.jai b/src/renderer_sokol/triles.jai
index f9190fa..99bff5b 100644
--- a/src/renderer_sokol/triles.jai
+++ b/src/renderer_sokol/triles.jai
@@ -73,23 +73,36 @@ triles_upload :: (scene: *Scene) {
         triles.palette_image = sg_make_image(*desc);
     }
 
+    if triles.world_version != scene.world_version  world_rebuild(scene);
+
     array_reset_keeping_memory(*triles.instances);
     array_reset_keeping_memory(*triles.batches);
+    chunk_count := triles.world_chunks.count;
+    array_resize(*triles.cut_chunks, scene.views.count * chunk_count, initialize = false);
+    memset(triles.cut_chunks.data, 0, triles.cut_chunks.count);
 
     draws : [..]Keyed(Instance);
     draws.allocator = temp;
     for view, view_index: scene.views {
         array_reset_keeping_memory(*draws);
         if view.draw_world {
-            for chunk: scene.chunks  for group: chunk.groups  for group.instances {
-                position := chunk.origin + Vector3.{xx it.x, xx it.y, xx it.z};
-                cut := trile_cut(.{xx view_index}, group.mesh, position);
-                array_add(*draws, .{group.mesh.id, .{position, xx it.orientation, 0, cut}});
+            cut_chunks := array_view(triles.cut_chunks, view_index * chunk_count, chunk_count);
+            for view_cut_chunks(.{xx view_index}) {
+                index := table_find_pointer(*triles.chunk_index, it);
+                if index  cut_chunks[index.*] = true;
+            }
+            for batch: triles.world_batches {
+                if !batch.cuttable || !cut_chunks[batch.chunk]  continue;
+                for batch.first..batch.first + batch.count - 1 {
+                    instance := triles.world_instances[it];
+                    instance.cut = trile_cut(.{xx view_index}, .{batch.mesh}, instance.position);
+                    array_add(*draws, .{MAIN_ONLY_KEY | cast(s64) batch.mesh, instance});
+                }
             }
         }
         for scene.triles {
             if it.view.index != view_index  continue;
-            preview : s64 = ifx it.tint != .NONE then PREVIEW_KEY else 0;
+            preview : s64 = ifx it.tint != .NONE then MAIN_ONLY_KEY else 0;
             cut := ifx preview then 0.0 else trile_cut(it.view, it.mesh, it.position);
             array_add(*draws, .{preview | it.mesh.id, .{it.position, xx it.orientation, xx it.tint, cut}});
         }
@@ -104,14 +117,13 @@ triles_draw_glass_shadow :: (pass: *Pass) {
     apply_uniforms(UB_view_params, *pass.params);
     triles.params.show_hidden = 1;
     apply_uniforms(UB_trile_params, *triles.params);
-    for triles.batches {
-        if it.view_index != pass.view_index || it.key & PREVIEW_KEY  continue;
-        mesh := slot_get(*triles.meshes, xx it.key);
+    for pass_draws(pass) {
+        mesh := slot_get(*triles.meshes, it.mesh);
         if !mesh || mesh.index_count == 0  continue;
         bind : sg_bindings;
         bind.vertex_buffers[0]         = mesh.vertices;
         bind.index_buffer              = mesh.indices;
-        bind.vertex_buffers[1]         = triles.stream.buffer;
+        bind.vertex_buffers[1]         = it.buffer;
         bind.vertex_buffer_offsets[1]  = it.first * size_of(Instance);
         bind.images[IMG_palette]       = triles.palette_image;
         bind.samplers[SMP_palette_smp] = samplers.nearest_clamp;
@@ -137,15 +149,14 @@ triles_draw :: (pass: *Pass) {
         apply_uniforms(UB_trile_fs_params, *fs_params);
     }
 
-    for triles.batches {
-        if it.view_index != pass.view_index || (pass.kind != .MAIN && it.key & PREVIEW_KEY)  continue;
-        mesh := slot_get(*triles.meshes, xx (it.key & ~PREVIEW_KEY));
+    for pass_draws(pass) {
+        mesh := slot_get(*triles.meshes, it.mesh);
         if !mesh || mesh.index_count == 0  continue;
 
         bind : sg_bindings;
         bind.vertex_buffers[0]         = mesh.vertices;
         bind.index_buffer              = mesh.indices;
-        bind.vertex_buffers[1]         = triles.stream.buffer;
+        bind.vertex_buffers[1]         = it.buffer;
         bind.vertex_buffer_offsets[1]  = it.first * size_of(Instance);
         bind.images[IMG_palette]       = triles.palette_image;
         bind.samplers[SMP_palette_smp] = samplers.nearest_clamp;
@@ -176,7 +187,27 @@ Instance :: struct {
     cut         : float;   // 0..1 dissolved away from the camera, still casts shadows
 }
 
-PREVIEW_KEY :: 1 << 32;
+MAIN_ONLY_KEY :: 1 << 32;
+
+World_Chunk :: struct {
+    key    : Chunk_Key;
+    origin : Vector3;
+}
+
+World_Batch :: struct {
+    mesh     : u32;
+    chunk    : s32;
+    cuttable : bool;
+    first    : s32;
+    count    : s32;
+}
+
+Trile_Draw :: struct {
+    mesh   : u32;
+    buffer : sg_buffer;
+    first  : s32;
+    count  : s32;
+}
 
 triles : struct {
     pipeline        : sg_pipeline;
@@ -192,6 +223,94 @@ triles : struct {
     instances     : [..]Instance;
     batches       : [..]Batch;
     stream        : Stream_Buffer;
+
+    world_version   : u64;
+    world_chunks    : [..]World_Chunk;
+    chunk_index     : Table(Chunk_Key, s32, chunk_key_hash, chunk_key_compare);
+    world_batches   : [..]World_Batch;
+    world_instances : [..]Instance;
+    world_buffer    : sg_buffer;
+    cut_chunks      : [..]bool;
+}
+
+world_rebuild :: (scene: *Scene) {
+    triles.world_version = scene.world_version;
+    array_reset_keeping_memory(*triles.world_chunks);
+    array_reset_keeping_memory(*triles.world_batches);
+    array_reset_keeping_memory(*triles.world_instances);
+    table_reset(*triles.chunk_index);
+
+    for scene.chunks  array_add(*triles.world_chunks, .{it_index, it.origin});
+    quick_sort(triles.world_chunks, (a: World_Chunk, b: World_Chunk) -> s64 {
+        if a.key.x != b.key.x  return a.key.x - b.key.x;
+        if a.key.z != b.key.z  return a.key.z - b.key.z;
+        return a.key.y - b.key.y;
+    });
+
+    Piece :: struct {
+        key   : s64;
+        chunk : s32;
+        group : *World_Group;
+    }
+    pieces : [..]Piece;
+    pieces.allocator = temp;
+    for chunk, index: triles.world_chunks {
+        table_set(*triles.chunk_index, chunk.key, xx index);
+        scene_chunk := table_find_pointer(*scene.chunks, chunk.key);
+        for * scene_chunk.groups  array_add(*pieces, .{(cast(s64) it.mesh.id << 32) | index, xx index, it});
+    }
+    quick_sort(pieces, (a: Piece, b: Piece) -> s64 { return a.key - b.key; });
+
+    occluders := world_occluders();
+    for pieces {
+        chunk := triles.world_chunks[it.chunk];
+        batch := World_Batch.{mesh = it.group.mesh.id, chunk = it.chunk, cuttable = trile_mesh_cuttable(it.group.mesh), first = xx triles.world_instances.count};
+        for instance: it.group.instances {
+            if trile_buried(*occluders, chunk.key, instance.x, instance.y, instance.z)  continue;
+            position := chunk.origin + Vector3.{xx instance.x, xx instance.y, xx instance.z};
+            array_add(*triles.world_instances, .{position, xx instance.orientation, 0, 0});
+        }
+        batch.count = xx (triles.world_instances.count - batch.first);
+        if batch.count  array_add(*triles.world_batches, batch);
+    }
+
+    if triles.world_buffer.id  sg_destroy_buffer(triles.world_buffer);
+    triles.world_buffer = .{};
+    if triles.world_instances.count {
+        size := triles.world_instances.count * size_of(Instance);
+        triles.world_buffer = sg_make_buffer(*(sg_buffer_desc.{ data = .{ triles.world_instances.data, xx size } }));
+    }
+}
+
+pass_draws :: (pass: *Pass) -> []Trile_Draw {
+    draws : [..]Trile_Draw;
+    draws.allocator = temp;
+    main := pass.kind == .MAIN;
+
+    if pass.view.draw_world && triles.world_batches.count {
+        chunk_count := triles.world_chunks.count;
+        visible := NewArray(chunk_count, bool,, temp);
+        for triles.world_chunks  visible[it_index] = box_in_frustum(pass.frustum, it.origin, it.origin + Vector3.{CHUNK_SIZE, CHUNK_SIZE, CHUNK_SIZE});
+        cut_chunks := array_view(triles.cut_chunks, pass.view_index * chunk_count, chunk_count);
+
+        run : Trile_Draw;
+        for triles.world_batches {
+            if !visible[it.chunk] || (main && it.cuttable && cut_chunks[it.chunk])  continue;
+            if run.count && run.mesh == it.mesh && run.first + run.count == it.first {
+                run.count += it.count;
+                continue;
+            }
+            if run.count  array_add(*draws, run);
+            run = .{it.mesh, triles.world_buffer, it.first, it.count};
+        }
+        if run.count  array_add(*draws, run);
+    }
+
+    for triles.batches {
+        if it.view_index != pass.view_index || (!main && it.key & MAIN_ONLY_KEY)  continue;
+        array_add(*draws, .{xx (it.key & ~MAIN_ONLY_KEY), triles.stream.buffer, it.first, it.count});
+    }
+    return draws;
 }
 
 make_mesh :: (mesh: *Mesh, vertices: []Trile_Vertex, indices: []u16) {
diff --git a/src/rendering/scene.jai b/src/rendering/scene.jai
index a94ef16..124ca46 100644
--- a/src/rendering/scene.jai
+++ b/src/rendering/scene.jai
@@ -94,19 +94,19 @@ Ui_Vertex :: struct {
 trile_mesh_create :: (trile: *Trile) -> Trile_Mesh {
     vertices, indices := mesh_trile(trile);
     mesh := Trile_Mesh.{renderer_trile_mesh_create(vertices, indices)};
-    set_mesh_cut(mesh, trile.cut);
+    set_mesh_info(mesh, trile.cut, trile_fills_cell(trile));
     return mesh;
 }
 
 trile_mesh_update :: (mesh: Trile_Mesh, trile: *Trile) {
     vertices, indices := mesh_trile(trile);
     renderer_trile_mesh_update(mesh.id, vertices, indices);
-    set_mesh_cut(mesh, trile.cut);
+    set_mesh_info(mesh, trile.cut, trile_fills_cell(trile));
 }
 
 trile_mesh_destroy :: (mesh: Trile_Mesh) {
     renderer_trile_mesh_destroy(mesh.id);
-    set_mesh_cut(mesh, .NONE);
+    set_mesh_info(mesh, .NONE, false);
 }
 
 swatch_set :: (id: u8, color: [3]u8, reflectivity: u8, gloss: u8, emittance: u8, glass: bool) {
@@ -142,6 +142,7 @@ Probe :: struct {
 PROBES_PER_CHUNK :: CHUNK_SIZE * CHUNK_SIZE * CHUNK_SIZE;
 
 world_set_chunk :: (key: Chunk_Key, origin: Vector3, groups: []World_Group) {
+    scene.world_version += 1;
     chunk := find_or_add(*scene.chunks, key);
     chunk.origin = origin;
     for chunk.groups  array_free(it.instances);
@@ -156,12 +157,14 @@ world_set_chunk :: (key: Chunk_Key, origin: Vector3, groups: []World_Group) {
 world_remove_chunk :: (key: Chunk_Key) {
     chunk := table_find_pointer(*scene.chunks, key);
     if !chunk  return;
+    scene.world_version += 1;
     for chunk.groups  array_free(it.instances);
     array_free(chunk.groups);
     table_remove(*scene.chunks, key);
 }
 
 world_clear :: () {
+    scene.world_version += 1;
     for chunk: scene.chunks {
         for chunk.groups  array_free(it.instances);
         array_free(chunk.groups);
@@ -221,6 +224,65 @@ trile_cut :: (view: View_Id, mesh: Trile_Mesh, position: Vector3) -> float {
     return result;
 }
 
+view_cut_chunks :: (view: View_Id) -> []Chunk_Key {
+    keys : [..]Chunk_Key;
+    keys.allocator = temp;
+    cut := scene.view_cuts[view.index];
+    if !cut.enabled  return keys;
+
+    for scene.chunks {
+        if chunk_column_distance(it.origin, cut.focus) <= CUT_RADIUS  array_add(*keys, it_index);
+    }
+    unpack :: (bits: s64) -> s32 { return xx (((bits & 0xFFFFF) ^ 0x80000) - 0x80000); }
+    for scene.cut_fades {
+        if (it_index >> 60) != view.index  continue;
+        array_add_if_unique(*keys, world_to_chunk_coord(unpack(it_index >> 40), unpack(it_index >> 20), unpack(it_index)), chunk_key_compare);
+    }
+    return keys;
+}
+
+trile_mesh_cuttable :: (mesh: Trile_Mesh) -> bool {
+    return mesh_cut(mesh) != .NONE;
+}
+
+OCCLUDER_WORDS :: CHUNK_SIZE * CHUNK_SIZE * CHUNK_SIZE / 64;
+World_Occluders :: Table(Chunk_Key, *[OCCLUDER_WORDS]u64, chunk_key_hash, chunk_key_compare);
+
+world_occluders :: () -> World_Occluders {
+    occluders : World_Occluders;
+    occluders.allocator = temp;
+    for chunk: scene.chunks {
+        bits := New([OCCLUDER_WORDS]u64,, temp);
+        for group: chunk.groups {
+            if !mesh_occludes(group.mesh)  continue;
+            for group.instances {
+                cell := cast(s64) it.x + cast(s64) it.y * CHUNK_SIZE + cast(s64) it.z * CHUNK_SIZE * CHUNK_SIZE;
+                bits.*[cell >> 6] |= (cast(u64) 1) << cast(u64) (cell & 63);
+            }
+        }
+        table_set(*occluders, it_index, bits);
+    }
+    return occluders;
+}
+
+trile_buried :: (occluders: *World_Occluders, key: Chunk_Key, x: s32, y: s32, z: s32) -> bool {
+    occluded :: (occluders: *World_Occluders, key: Chunk_Key, x: s32, y: s32, z: s32) -> bool {
+        c := s32.[x, y, z];
+        k := s32.[key.x, key.y, key.z];
+        for 0..2 {
+            if c[it] < 0           { c[it] += CHUNK_SIZE; k[it] -= 1; }
+            if c[it] >= CHUNK_SIZE { c[it] -= CHUNK_SIZE; k[it] += 1; }
+        }
+        bits := table_find_pointer(occluders, .{k[0], k[1], k[2]});
+        if !bits  return false;
+        cell := cast(s64) c[0] + c[1] * CHUNK_SIZE + c[2] * CHUNK_SIZE * CHUNK_SIZE;
+        return ((bits.*.*[cell >> 6] >> cast(u64) (cell & 63)) & 1) != 0;
+    }
+    return occluded(occluders, key, x - 1, y, z) && occluded(occluders, key, x + 1, y, z)
+        && occluded(occluders, key, x, y - 1, z) && occluded(occluders, key, x, y + 1, z)
+        && occluded(occluders, key, x, y, z - 1) && occluded(occluders, key, x, y, z + 1);
+}
+
 draw_trile :: (view: View_Id, mesh: Trile_Mesh, position: Vector3, orientation: u8, tint := Trile_Tint.NONE) {
     array_add(*scene.triles, .{view, mesh, position, orientation, tint});
 }
@@ -309,7 +371,9 @@ Trile_Vertex :: struct {
 
 Scene :: struct {
     chunks : Table(Chunk_Key, Scene_Chunk, chunk_key_hash, chunk_key_compare);
-    mesh_cuts : [..]Trile_Cut;   // by mesh id
+    world_version  : u64;
+    mesh_cuts      : [..]Trile_Cut;   // by mesh id
+    mesh_occluders : [..]bool;
 
     views      : [..]View;
     view_proj  : [..]Matrix4;
@@ -362,9 +426,34 @@ scene_end_frame :: (width: s32, height: s32, time: float) {
 
 scene : Scene;
 
-set_mesh_cut :: (mesh: Trile_Mesh, cut: Trile_Cut) {
-    if scene.mesh_cuts.count <= mesh.id  array_resize(*scene.mesh_cuts, mesh.id + 1);
+set_mesh_info :: (mesh: Trile_Mesh, cut: Trile_Cut, fills_cell: bool) {
+    if scene.mesh_cuts.count <= mesh.id {
+        array_resize(*scene.mesh_cuts, mesh.id + 1);
+        array_resize(*scene.mesh_occluders, mesh.id + 1);
+    }
     scene.mesh_cuts[mesh.id] = cut;
+    scene.mesh_occluders[mesh.id] = fills_cell && cut == .NONE;
+    scene.world_version += 1;
+}
+
+mesh_occludes :: (mesh: Trile_Mesh) -> bool {
+    if mesh.id >= scene.mesh_occluders.count  return false;
+    return scene.mesh_occluders[mesh.id];
+}
+
+trile_fills_cell :: (trile: *Trile) -> bool {
+    if !trile.is_opaque  return false;
+    for x: 0..15  for y: 0..15  for z: 0..15 {
+        id := trile.trixels[x][y][z];
+        if !id || g_swatches[id].glass  return false;
+    }
+    return true;
+}
+
+chunk_column_distance :: (origin: Vector3, point: Vector3) -> float {
+    dx := max(max(origin.x - point.x, point.x - origin.x - CHUNK_SIZE), 0);
+    dz := max(max(origin.z - point.z, point.z - origin.z - CHUNK_SIZE), 0);
+    return sqrt(dx * dx + dz * dz);
 }
 
 mesh_cut :: (mesh: Trile_Mesh) -> Trile_Cut {
@@ -382,13 +471,16 @@ make_view_cut :: (view: View) -> View_Cut {
     to_camera := Vector2.{view.camera.position.x - view.focus.x, view.camera.position.z - view.focus.z};
     if length(to_camera) > 0.0001  cut.toward_camera = normalize(to_camera);
 
-    for chunk: scene.chunks  for group: chunk.groups {
-        if mesh_cut(group.mesh) != .ROOF  continue;
-        for group.instances {
-            p := chunk.origin + Vector3.{xx it.x, xx it.y, xx it.z};
-            if p.y <= cut.floor  continue;
-            if length(Vector2.{p.x + 0.5 - view.focus.x, p.z + 0.5 - view.focus.z}) > CUT_RADIUS  continue;
-            cut.height = min(cut.height, p.y);
+    for chunk: scene.chunks {
+        if chunk.origin.y + CHUNK_SIZE <= cut.floor || chunk_column_distance(chunk.origin, view.focus) > CUT_RADIUS  continue;
+        for group: chunk.groups {
+            if mesh_cut(group.mesh) != .ROOF  continue;
+            for group.instances {
+                p := chunk.origin + Vector3.{xx it.x, xx it.y, xx it.z};
+                if p.y <= cut.floor  continue;
+                if length(Vector2.{p.x + 0.5 - view.focus.x, p.z + 0.5 - view.focus.z}) > CUT_RADIUS  continue;
+                cut.height = min(cut.height, p.y);
+            }
         }
     }
     return cut;