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packages: ludic.ui's render3d backend threads Render3dState; render3d's settable vars (r3d_dem_path, post_*, grass_*, wt_wade_*, ...) are Render3dState's fields again, not lets

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-25 17:11:15 +03:00
parent ce80e64b24
commit 3a87d02696
15 changed files with 152 additions and 148 deletions
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11
packages/ludic.render3d/grass.ludic
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@ -17,15 +17,10 @@ const GRASS_CELL: int = 16
# valley the same blade. A real blade has a midrib, a colour that runs olive to straw,
# browning where it has dried and a tip that is its own shape - none of which can be
# written down, only photographed.
let grass_blade_tex: int = 0
let grass_blade_cols: int = 8
# Where a body is standing, and how wide it pushes. The grass has never known the player was
# in it: you walked through a meadow and every blade ignored you, which is the single most
# noticeable thing missing from every step the game asks you to take. The game sets this each
# frame; radius 0 means nobody is there.
let grass_push_x: float = 0.0
let grass_push_z: float = 0.0
let grass_push_r: float = 0.0
# Vulkan with multi-draw indirect: every visible tile is a record in one buffer, uploaded once a
# frame, and each band draws its records GRASS_CHUNK at a time - one draw for up to 256 tiles. A
# record's firstInstance is its place in its chunk times 65536; grass.vert's TILES variant reads that
@ -194,13 +189,13 @@ function grass_draw(render3d_st: mut Render3dState) -> void {
u_f(render3d_st, gpu_uniform(render3d_st, p, "u_wind"), render3d_st.grass_wind)
# copied into a local first: a global reaching a uniform call is the codegen fault
# CLAUDE.md records against u_wade and u_flutter, and it costs a day every time
let btex = grass_blade_tex
let bcols = grass_blade_cols
let btex = render3d_st.grass_blade_tex
let bcols = render3d_st.grass_blade_cols
u_f(render3d_st, gpu_uniform(render3d_st, p, "u_blade_cols"), float(bcols))
var bon = 0.0
if btex != 0 { bon = 1.0; r3d_bind_2d(render3d_st, p, "u_blade_tex", 12, btex) }
u_f(render3d_st, gpu_uniform(render3d_st, p, "u_blade_tex_on"), bon)
u_f3(render3d_st, gpu_uniform(render3d_st, p, "u_push"), grass_push_x, grass_push_z, grass_push_r)
u_f3(render3d_st, gpu_uniform(render3d_st, p, "u_push"), render3d_st.grass_push_x, render3d_st.grass_push_z, render3d_st.grass_push_r)
u_f(render3d_st, gpu_uniform(render3d_st, p, "u_rough_scale"), 1.0)
u_v3(render3d_st, gpu_uniform(render3d_st, p, "u_tint"), render3d_st.sc_blade_tint)
u_v3(render3d_st, gpu_uniform(render3d_st, p, "u_blade_base"), render3d_st.sc_blade_base)