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ludic ui-preview: ludic.ui components previewed for a studio over stdio (R5)

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A prebuilt tool, bin/ludic-ui-preview (built by ludic-dev build, shipped beside ludic-lsp, run as
`ludic ui-preview [--font DIR]`): ludic.ui with a backend that records every draw call as a line,
and mock component classes the studio describes (load / model / calls). frame t runs ui_show at
interface time t; text is measured on the CPU with the game's font.json metrics; locale goes
through ludic.i18n; tree / box / rules inspect the frame. No game code, no GPU, no network. The wire
protocol is frozen as tools/ui-preview/protocol-v1.md; smoke.txt is a transcript to run.

ludic.ui gains, all additive: UiClass.make_of, UiBackend.said / emitted, UiRule.text / at (with
comment line breaks kept so rule lines count true, and a class's styles read under its .lss path),
and ui_root, ui_find, ui_rules_of, ui_rule_value, ui_building, ui_class, ui_class_load,
ui_file_forget, ui_errors_clear; ui_nine_cuts_into exported.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-29 19:53:26 +03:00
parent 28f7b4666b
commit 49b5e80af5
38 changed files with 1986 additions and 16 deletions
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# main.ludic - ludic ui-preview: a game's ludic.ui components previewed for a studio, over stdio. It is
# ludic.ui itself with a backend that records instead of drawing, and component classes the studio
# describes (their templates, styles, models and function answers): no game code, no GPU, no
# network. One request a line in, a reply a request out; protocol-v1.md is the whole contract.
# ui-preview [--font DIR]
import "ludic.ui"
import "ludic.i18n"
program UiPreview {
numbers float
import "out.ludic"
import "num.ludic"
import "line.ludic"
import "font.ludic"
import "draw.ludic"
import "images.ludic"
import "events.ludic"
import "json.ludic"
import "mock.ludic"
import "calls.ludic"
import "input.ludic"
import "input_keys.ludic"
import "inspect.ludic"
import "computed.ludic"
import "cmd_load.ludic"
import "cmd_world.ludic"
import "cmds.ludic"
state PvState {
out: PvOut = new PvOut # the reply: the draw list or an answer
ev: PvOut = new PvOut # what happened, written after it
inb: PvOut = new PvOut # the request being read
words: []string = new []string
ok_more: string = ""
font_dir: string = ""
locale: string = ""
fn_on: bool = false
fn_adv: []float = new []float
fn_map: []int = new []int
fn_hi_cp: []int = new []int
fn_hi_g: []int = new []int
fn_space: int = 0
fn_qmark: int = 0
vw: float = 1920.0
vh: float = 1080.0
vs: float = 0.0 # 0: the height over 1080, as render3d's backend
t: float = 0.0
root: string = ""
stories: []PvStory = new []PvStory
miss_cls: []string = new []string
miss_fn: []string = new []string
nt_tag: []string = new []string
nt_w: []float = new []float
nt_h: []float = new []float
at_prefix: []string = new []string
at_name: []string = new []string
at_cols: []int = new []int
at_rows: []int = new []int
at_names: [][]string = new [][]string
im_path: []string = new []string
im_w: []float = new []float
im_h: []float = new []float
fl_path: []string = new []string
fl_text: []string = new []string
inp: PvIn = new PvIn
in_a: UiInput = new UiInput
in_b: UiInput = new UiInput
in_flip: bool = false
cuts: []float = new []float
rules: []UiRule = new []UiRule
}
entry (pv: mut PvState, ui_st: mut UiState, i18n_st: mut I18nState) {
ui_backend(ui_st, pv_backend())
var ai = 1
while ai < Os.arg_count() {
if Os.arg(ai) == "--font" and ai + 1 < Os.arg_count() {
ai += 1
if not pv_font_load(pv, Os.arg(ai)) { Os.stderr_write(`ui-preview: no font.json with "adv" in {Os.arg(ai)}\n`) }
}
ai += 1
}
var going = true
while going {
let line = pv_read_line(pv.inb)
if line == null { break }
pv_words(line, pv.words)
going = pv_run(pv, ui_st, i18n_st, pv.words)
}
}
}