HD clouds no longer warp while walking (fork patch 38)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-30 19:07:38 +03:00
38 changed files with 65 additions and 37 deletions
@@ -1,7 +1,7 @@
 From 3de7a6875140a107e28563cc44489b55f5794517 Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Wed, 28 Oct 2026 12:37:45 +0300
-Subject: [PATCH 01/37] Mod API (AirDef fork): world models, client particles,
+Subject: [PATCH 01/38] Mod API (AirDef fork): world models, client particles,
 sounds, ground heights

 render.set-models draws block models with an interpolated pose per id;
@@ -1,7 +1,7 @@
 From a6d64e6415bf618539af464e521091e72b72d72f Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Wed, 28 Oct 2026 12:39:45 +0300
-Subject: [PATCH 02/37] cargo-horizon-mod: report particles and sounds
+Subject: [PATCH 02/38] cargo-horizon-mod: report particles and sounds

 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
 ---
@@ -1,7 +1,7 @@
 From ee79b3562feebe51959a01f1585a9e85bd53ccb5 Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Wed, 28 Oct 2026 13:33:10 +0300
-Subject: [PATCH 03/37] Mod API (AirDef fork): full-screen post pass for mods
+Subject: [PATCH 03/38] Mod API (AirDef fork): full-screen post pass for mods

 render.set-post compiles a mod's WGSL after a prelude (camera matrices,
 time, 256 vec4 of params, the world's colour and depth) and runs it after
@@ -1,7 +1,7 @@
 From 2b137dbbedd540daeebc7f5e387847aeb56a1355 Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Wed, 28 Oct 2026 22:09:30 +0300
-Subject: [PATCH 04/37] Mod models: draw far models as scaled impostors past
+Subject: [PATCH 04/38] Mod models: draw far models as scaled impostors past
 the far plane, cull at 4096

 ---
@@ -1,7 +1,7 @@
 From c8ebca6e0af68630e65211844b34d25c5b985c03 Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Wed, 28 Oct 2026 22:31:00 +0300
-Subject: [PATCH 05/37] Mod cameras: render.set-views draws the world from
+Subject: [PATCH 05/38] Mod cameras: render.set-views draws the world from
 other points into pictures that HUD view shapes show (API level 9)

 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
@@ -1,7 +1,7 @@
 From 8d2261fc4f8072c32e454139cfea7a8c0cd9d664 Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Wed, 28 Oct 2026 23:08:21 +0300
-Subject: [PATCH 06/37] Mods: more fuel per tick and per event (AirDef plans
+Subject: [PATCH 06/38] Mods: more fuel per tick and per event (AirDef plans
 raids)

 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
@@ -1,7 +1,7 @@
 From 6c548de34def8e4a624d734243418090798bd16a Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Wed, 28 Oct 2026 23:25:29 +0300
-Subject: [PATCH 07/37] Mod cameras up to 1920x1080 (full-screen replays)
+Subject: [PATCH 07/38] Mod cameras up to 1920x1080 (full-screen replays)

 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
 ---
@@ -1,7 +1,7 @@
 From 9b9e93269d67401cc620567a884d5ce97f68d76e Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Thu, 29 Oct 2026 11:15:11 +0300
-Subject: [PATCH 08/37] Mod cameras: distant terrain tiles, fog measured from
+Subject: [PATCH 08/38] Mod cameras: distant terrain tiles, fog measured from
 the camera, no impostors while one is shown

 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
@@ -1,7 +1,7 @@
 From 065d9fa02966238a5bd9ff460392a1a809db0b11 Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Thu, 29 Oct 2026 11:25:45 +0300
-Subject: [PATCH 09/37] Mods: game.world-id, so mods keep state per world (API
+Subject: [PATCH 09/38] Mods: game.world-id, so mods keep state per world (API
 level 9)

 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
@@ -1,7 +1,7 @@
 From 1bf28135fd9a31f837323dc3a8d81ed73343d816 Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Thu, 29 Oct 2026 12:01:08 +0300
-Subject: [PATCH 10/37] cargo-horizon-mod: trial runs behind feature full, so a
+Subject: [PATCH 10/38] cargo-horizon-mod: trial runs behind feature full, so a
 packing-only tool skips wasmtime

 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
@@ -1,7 +1,7 @@
 From 0a56f5616df4699588cbcc529d4720661baa810f Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Thu, 29 Oct 2026 13:18:43 +0300
-Subject: [PATCH 11/37] HD lighting: G-buffer pass, per-pixel mod point lights
+Subject: [PATCH 11/38] HD lighting: G-buffer pass, per-pixel mod point lights
 in HDR, bloom and tone curve; render.set-lights and render.set-lighting (API
 level 10)

@@ -1,7 +1,7 @@
 From 9ebf0031fe9ba6b7f02afb26e4fd3a1ba4ddb0d0 Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Thu, 29 Oct 2026 13:59:43 +0300
-Subject: [PATCH 12/37] HD lighting stage 2: sun and moon shadow cascades, the
+Subject: [PATCH 12/38] HD lighting stage 2: sun and moon shadow cascades, the
 world relit (sun by face angle and shadow, sky and block light through the
 lightmap), light shafts and halos, fog over it again, a light colour grade

@@ -1,7 +1,7 @@
 From 7a5a38f68923aec62f10bfa0df50b436474ed612 Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Thu, 29 Oct 2026 16:19:53 +0300
-Subject: [PATCH 13/37] HD: bind groups cached until a resize or a new source,
+Subject: [PATCH 13/38] HD: bind groups cached until a resize or a new source,
 shadow passes draw only the entities that cast shadows

 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
@@ -1,7 +1,7 @@
 From 8020811e57d4b5a9ea1cd72d30ce859dc5095d35 Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Thu, 29 Oct 2026 16:25:44 +0300
-Subject: [PATCH 14/37] HD: lights culled per 16x16 tile (surface and halo
+Subject: [PATCH 14/38] HD: lights culled per 16x16 tile (surface and halo
 lists built on the CPU), a naga test for the lighting shaders

 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
@@ -1,7 +1,7 @@
 From 72d3fddfea329e578162656151350f0aa2efd323 Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Thu, 29 Oct 2026 16:43:36 +0300
-Subject: [PATCH 15/37] HD: GPU time per pass in the F3 timing list,
+Subject: [PATCH 15/38] HD: GPU time per pass in the F3 timing list,
 half-resolution GTAO with a depth-aware blur

 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
@@ -1,7 +1,7 @@
 From 1fd83a821bf270879d8ece5aa583f200ed920d89 Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Thu, 29 Oct 2026 17:02:02 +0300
-Subject: [PATCH 16/37] HD: shadows draw only sun-facing quads and skip buried
+Subject: [PATCH 16/38] HD: shadows draw only sun-facing quads and skip buried
 sections, the far cascade every second frame; TAA (Halton jitter,
 reprojection by depth, YCoCg variance clipping) before bloom

@@ -1,7 +1,7 @@
 From 1502d359d599228fe0f44ce6b99a3fded2ac5ea0 Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Thu, 29 Oct 2026 17:02:02 +0300
-Subject: [PATCH 17/37] Mods: model handles (render.model-id, model-generation,
+Subject: [PATCH 17/38] Mods: model handles (render.model-id, model-generation,
 set-models-by-id; API level 11) so mods send no model names each tick;
 clear-post and set-lighting documented

@@ -1,7 +1,7 @@
 From 0f9d99b8ad3e4b72e621d84c2396cf1d3d2b7a33 Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Thu, 29 Oct 2026 17:19:57 +0300
-Subject: [PATCH 18/37] HD: temporal upscaling (HORIZON_HD_SCALE: world,
+Subject: [PATCH 18/38] HD: temporal upscaling (HORIZON_HD_SCALE: world,
 G-buffer and lighting at a lower size, rebuilt to the window in the TAA
 pass); fix flickering shadows near the player (the near cascade lost its
 sections on frames the far one was held, the held far matrix ignored the
@@ -1,7 +1,7 @@
 From 38250c4392e27d5700842ca6ee47291dd1831b72 Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Thu, 29 Oct 2026 17:47:52 +0300
-Subject: [PATCH 19/37] HD water: its own pass (colour, normal, depth), the
+Subject: [PATCH 19/38] HD water: its own pass (colour, normal, depth), the
 floor under it lit, a composite with world-space waves, refraction with depth
 absorption in the biome colour, screen-space reflections, Fresnel and a
 shadowed sun glint (HORIZON_HD_WATER=0 to switch off)
@@ -1,7 +1,7 @@
 From dbc6f8a6e9c2eeabe1de15f1794013c90be7faa5 Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Thu, 29 Oct 2026 17:56:04 +0300
-Subject: [PATCH 20/37] HD water: no vanilla texture on the surface (the biome
+Subject: [PATCH 20/38] HD water: no vanilla texture on the surface (the biome
 colour only), a darker, deeper colour

 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
@@ -1,7 +1,7 @@
 From 13e74537dd6e63482e3613e0e416de1158944dfe Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Thu, 29 Oct 2026 18:38:19 +0300
-Subject: [PATCH 21/37] HD sky and light: a physical atmosphere (Rayleigh, Mie,
+Subject: [PATCH 21/38] HD sky and light: a physical atmosphere (Rayleigh, Mie,
 ozone; constants and transmittance after Photon, MIT) for the sky, haze, fog
 and water reflections; warmer sunlight from the atmosphere's transmittance, a
 gentle sky-coloured ambient, soft PCSS-lite shadows near the player, a haze
@@ -1,7 +1,7 @@
 From 6277e051a89c2537570982f6ef275887193c05cf Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Thu, 29 Oct 2026 19:02:16 +0300
-Subject: [PATCH 22/37] HD water: a darker blue, a little clearer, ripples a
+Subject: [PATCH 22/38] HD water: a darker blue, a little clearer, ripples a
 little higher

 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
@@ -1,7 +1,7 @@
 From 982265d21bb9d74ec0040db03feb5a55762286ad Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Thu, 29 Oct 2026 21:41:48 +0300
-Subject: [PATCH 23/37] HD: Photon-style sunsets (Rec. 2020 atmosphere, sun
+Subject: [PATCH 23/38] HD: Photon-style sunsets (Rec. 2020 atmosphere, sun
 tint, blue hour; MIT), volumetric clouds with ground shadows instead of
 vanilla's in HD, volumetric fog with sun shafts and morning mist
 (HORIZON_HD_CLOUDS=0, HORIZON_HD_VOLFOG=0)
@@ -1,7 +1,7 @@
 From 24971b3c67d8c87673eb2e0d204cedf8a2f46d1c Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Thu, 29 Oct 2026 21:43:22 +0300
-Subject: [PATCH 24/37] Mods: world queries for simulations (render.query-rays,
+Subject: [PATCH 24/38] Mods: world queries for simulations (render.query-rays,
 query-sections, world-changes; API level 12): block-exact rays and section
 occupancy by collision, sight or sound, answered next tick within budgets,
 and a log of changed sections
@@ -1,7 +1,7 @@
 From fdec4960983bdff82f3793460f9a5234f0cd3f49 Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Thu, 29 Oct 2026 22:56:15 +0300
-Subject: [PATCH 25/37] HD fixes: rain level from the world not from rain
+Subject: [PATCH 25/38] HD fixes: rain level from the world not from rain
 geometry (#41), TAA history on the jittered grid (#38), vanilla cloud tint
 without a depth heuristic (#35), air fog once over water (#37), translucent
 things in front of HD water (#36), cheaper sunrise fan (#39), halos in thick
@@ -1,7 +1,7 @@
 From 21391afb26f49505d6cdaf454a6355cd4e747503 Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Thu, 29 Oct 2026 23:19:53 +0300
-Subject: [PATCH 26/37] HD split into modules (gfx/hd/: one Rust file and one
+Subject: [PATCH 26/38] HD split into modules (gfx/hd/: one Rust file and one
 WGSL file per pass, a shared prelude), contracts for colour, depth, alpha,
 time and coordinates written down, tests that the frame layout and bindings
 match between Rust and WGSL (#45)
@@ -1,7 +1,7 @@
 From 8d4cadbf8534309ac847d34e229f6d764770475d Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Thu, 29 Oct 2026 23:22:19 +0300
-Subject: [PATCH 27/37] HD clouds: noise scales that divide the camera's
+Subject: [PATCH 27/38] HD clouds: noise scales that divide the camera's
 65536-block wrap, so the clouds and their shadows no longer jump at x or z =
 0

@@ -1,7 +1,7 @@
 From 0fb59c782abf269fe555faa3241b31acf41e26d7 Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Fri, 30 Oct 2026 03:17:11 +0300
-Subject: [PATCH 28/37] HD: volumetric smoke and missile trails with clear
+Subject: [PATCH 28/38] HD: volumetric smoke and missile trails with clear
 tunnels through fog and cloud (render.set-smoke, API level 14; #54); sun
 speculars by material, wet surfaces and puddles in rain, wind in foliage
 (HORIZON_HD_SPECULAR=0, HORIZON_HD_WIND=0, HORIZON_HD_SMOKE=0); HD shaders
@@ -1,7 +1,7 @@
 From e4bc29da45d0d38244c6eb2ba3ffb9ab853540c0 Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Fri, 30 Oct 2026 03:26:09 +0300
-Subject: [PATCH 29/37] HD clouds composited by depth so terrain and vehicles
+Subject: [PATCH 29/38] HD clouds composited by depth so terrain and vehicles
 inside or behind the layer are hidden and those in front stay in front (#67);
 world-anchored noise everywhere (cloud detail by height above the layer, fog,
 smoke and puddle scales dividing the wrap) (#68); the replay's time is visual
@@ -1,7 +1,7 @@
 From 20f699796afb12b600236a4e8859cd97430f86f0 Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Fri, 30 Oct 2026 03:44:45 +0300
-Subject: [PATCH 30/37] HD smoke: young trails drawn at least as wide as a grid
+Subject: [PATCH 30/38] HD smoke: young trails drawn at least as wide as a grid
 cell (density scaled to keep the mass), gentler bulges, so a trail is a
 smooth ribbon and not a chain of puffs

@@ -1,7 +1,7 @@
 From 35ffbaa26dd91855c8b93446646ba8c58448d3d0 Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Fri, 30 Oct 2026 03:59:41 +0300
-Subject: [PATCH 31/37] Mods: render.set-main-view (API level 15) renders the
+Subject: [PATCH 31/38] Mods: render.set-main-view (API level 15) renders the
 screen's world from a mod camera with the full pipeline, so replays get HD
 and the post effects; small mod views get the post pass with their own camera

@@ -1,7 +1,7 @@
 From 27e24527550942695164dd3a769a42a659e797ca Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Fri, 30 Oct 2026 09:28:05 +0300
-Subject: [PATCH 32/37] Spot lights for mods (render.set-spot-lights, API level
+Subject: [PATCH 32/38] Spot lights for mods (render.set-spot-lights, API level
 16): surfaces lit in the cone, a volumetric beam stopped by depth (#60); film
 capture (render.capture-*, set-film-quality, API level 17): fixed-step clock,
 frames piped to ffmpeg or PNGs, offline audio, no chat in the frames (#58);
@@ -1,7 +1,7 @@
 From 615f5c3fa7c19a9895f8972a88333c6f250ad78a Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Fri, 30 Oct 2026 14:30:39 +0300
-Subject: [PATCH 33/37] HD clouds and fog polish: cloud panorama, cirrus,
+Subject: [PATCH 33/38] HD clouds and fog polish: cloud panorama, cirrus,
 terrain-aware fog, far smoke cascade; replay world log and film clock;
 material overlays by sprite name

@@ -1,7 +1,7 @@
 From 0254984fdcce53a4a0f2bff15f9be3b78c93842e Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Fri, 30 Oct 2026 15:01:09 +0300
-Subject: [PATCH 34/37] HD: coloured sun through glass and leaves, rain ripples
+Subject: [PATCH 34/38] HD: coloured sun through glass and leaves, rain ripples
 on water, film motion blur and depth of field

 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
@@ -1,7 +1,7 @@
 From 9645d3f1f47d8bb358d5630288bdd801bd874911 Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Fri, 30 Oct 2026 15:19:32 +0300
-Subject: [PATCH 35/37] Film export: every frame in flight reaches the writer,
+Subject: [PATCH 35/38] Film export: every frame in flight reaches the writer,
 listener follows the main view, cloud wind on film frames, set-smoke reports
 real activity

@@ -1,7 +1,7 @@
 From 22d6835507d5627b0fe4a749b082b025b35e0262 Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Fri, 30 Oct 2026 15:43:11 +0300
-Subject: [PATCH 36/37] Mod command trees: command.set-tree and
+Subject: [PATCH 36/38] Mod command trees: command.set-tree and
 set-suggestions, typed parse, colouring and completion from one tree (API 19)

 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
@@ -1,7 +1,7 @@
 From 9be21a54fff055e78db245488c28a971a823fdba Mon Sep 17 00:00:00 2001
 From: chexit <chexit@duck.com>
 Date: Fri, 30 Oct 2026 16:10:23 +0300
-Subject: [PATCH 37/37] Persistent mod sound sources: start, update, stop with
+Subject: [PATCH 37/38] Persistent mod sound sources: start, update, stop with
 generations, click-free voices, loop sections, voice budget and virtual loops
 (API 20)

@@ -0,0 +1,28 @@
+From e84cdc21a9fabc4518c18edbeacb2df24c85b983 Mon Sep 17 00:00:00 2001
+From: chexit <chexit@duck.com>
+Date: Fri, 30 Oct 2026 19:07:37 +0300
+Subject: [PATCH 38/38] HD clouds: rays from a far point, so the view bob's eye
+ offset does not bend them
+
+Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
+---
+ crates/horizon-client/src/gfx/hd/cloud.wgsl | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/crates/horizon-client/src/gfx/hd/cloud.wgsl b/crates/horizon-client/src/gfx/hd/cloud.wgsl
+index 18aac24f6..abe69df78 100644
+--- a/crates/horizon-client/src/gfx/hd/cloud.wgsl
+++ b/crates/horizon-client/src/gfx/hd/cloud.wgsl
+@@ -233,7 +233,8 @@ fn fs_cloud(in: FullOut) -> CloudOut {
+     let sndc = vec4<f32>(suv.x * 2.0 - 1.0, 1.0 - suv.y * 2.0, max(zmax, 0.000001), 1.0);
+     let sh = frame.inverse_view_proj * sndc;
+     let scene_len = select(SKY_LEN, length(sh.xyz / sh.w), zmax > 0.0);
+-    let ndc = vec4<f32>(in.uv.x * 2.0 - 1.0, 1.0 - in.uv.y * 2.0, 0.5, 1.0);
+    // A far point: the view bob offsets the eye, and from a point 10 cm away (depth 0.5) that bends the ray.
+    let ndc = vec4<f32>(in.uv.x * 2.0 - 1.0, 1.0 - in.uv.y * 2.0, 0.0005, 1.0);
+     let hh = frame.inverse_view_proj * ndc;
+     let dir = normalize(hh.xyz / hh.w);
+     let m = march_cumulus(dir, scene_len, ign(in.position.xy), false);
+-- 
+2.54.0 (Apple Git-157)
+