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ui: a renderer installs itself through the UiRenderers registry, not a global's initializer

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-25 14:31:48 +03:00
parent 07505e7ef2
commit 253d8d3632
2 changed files with 15 additions and 8 deletions
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12
packages/ludic.ui/backend.ludic
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@ -20,7 +20,17 @@ export property UiBackend {
now: fn() -> float = null # seconds, for animation (else frames at 60 a second) now: fn() -> float = null # seconds, for animation (else frames at 60 a second)
input: bool = true # false: take no input from Input.* (a test drives it) input: bool = true # false: take no input from Input.* (a test drives it)
} }
var ui_be: UiBackend = null # a renderer a program installs by importing it (render3d.ludic): the first one is the backend
property UiRenderer {
key: string = ""
make: fn() -> UiBackend = null
}
registry UiRenderers of UiRenderer as UIR
function ui_default_backend() -> UiBackend {
if len(UiRenderers) == 0 { return null }
return UiRenderers[0].make()
}
var ui_be: UiBackend = ui_default_backend()
export function ui_backend(b: UiBackend) -> void { ui_be = b } export function ui_backend(b: UiBackend) -> void { ui_be = b }
function ui_px(v: float) -> float { function ui_px(v: float) -> float {
if ui_be != null and ui_be.scale != null { return v * ui_be.scale() } if ui_be != null and ui_be.scale != null { return v * ui_be.scale() }

11
packages/ludic.ui/render3d.ludic
View file

@ -17,13 +17,10 @@ var r3u_atlas_tex: []int = new []int
var r3u_atlas_cols: []int = new []int var r3u_atlas_cols: []int = new []int
var r3u_atlas_rows: []int = new []int var r3u_atlas_rows: []int = new []int
var r3u_atlas_names: [][]string = new [][]string var r3u_atlas_names: [][]string = new [][]string
var r3u_installed: bool = r3u_install()
# importing this file is enough: it is the renderer from the program's first frame # importing this file is enough: it is the renderer from the program's first frame
function r3u_install() -> bool { def UiRenderers render3d { make: fn r3u_make }
ui_render3d() export function ui_render3d() -> void { ui_backend(r3u_make()) }
return true function r3u_make() -> UiBackend {
}
export function ui_render3d() -> void {
let b = new UiBackend let b = new UiBackend
b.rect = fn r3u_rect b.rect = fn r3u_rect
b.round = fn r3u_round b.round = fn r3u_round
@ -38,7 +35,7 @@ export function ui_render3d() -> void {
b.unclip = fn r3u_unclip b.unclip = fn r3u_unclip
b.scale = fn r3u_scale b.scale = fn r3u_scale
b.now = fn r3u_now b.now = fn r3u_now
ui_backend(b) return b
} }
# the player's interface size, 1.0 as designed # the player's interface size, 1.0 as designed
export function ui_render3d_scale(s: float) -> void { r3u_user = s } export function ui_render3d_scale(s: float) -> void { r3u_user = s }