ludic/examples/menu.ludic
Orkuncakilkaya cc701013f5 Phase 6e: unify builtin naming (loaders domain-first, set_reg)
Fixed the naming inconsistencies the cohesion audit flagged, converging on the
domain-first style the bulk of the surface already uses (ui_*, text_*, rng_*,
font_load, image_load):

  - load_png    -> png_load       (asset loaders were split: font_load/image_load
  - load_sprites -> sprites_load   were domain-first, load_* were verb-first)
  - setreg      -> set_reg        (missing underscore vs ui_set_int/ui_set_text)

Game builtins resolve to their `rt_` runtime function, so the renames are in
runtime/native (rt_png_load, rt_sprites_load, rt_set_reg) plus the ~100 example
call sites; `become` lowering in emit_machine now emits @fn_rt_set_reg. Purely a
surface rename — every renamed call maps to the same runtime symbol, so behavior
and golden renders are byte-identical.

Vocabulary + docs updated (ludic_syntax.h, grammar, LudicTokens.kt, LANGUAGE.md,
README, SYNTAX-REDESIGN). Reseeded; C-free fixpoint holds; goldens identical;
17/17; vocab clean.

Left as-is: os_argc/os_arg (compiler-internal intrinsics, already namespaced and
consistent with each other; renaming would need a bootstrap dance for little
gain). reg/set_reg keep the getter-bare/setter-set_ shape ui_focused/ui_set_int
already use.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-08-27 23:38:10 +03:00

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# menu.ludic — a retained-UI title screen. The UI is declared as DATA (the `ui`
# block); the engine lays it out (stacked panel, padding/gap/alignment), draws
# it (background, TrueType labels, focusable buttons), and routes keyboard focus
# and activation. The game only loads a font, opens the UI, and reads clicks.
program Menu {
const R_FONT: int = 0
const R_MSG: int = 1
ui MainMenu {
panel id: Root w: 288 pad: 16 gap: 6 bg: 0x1a1a2c border: 0x4a4a72 skin: "assets/ui/panel.png" inset: 10 align: center {
label text: "CHRONO RIFT" font: reg(R_FONT) size: 26 fg: 0xffe060 align: center
label text: "a Ludic retained-UI demo" font: reg(R_FONT) size: 14 fg: 0x9aa0c8 align: center
spacer h: 4
button id: NewGame text: "New Game" font: reg(R_FONT) size: 16 w: 236
button id: Continue text: "Continue" font: reg(R_FONT) size: 16 w: 236
button id: Options text: "Options" font: reg(R_FONT) size: 16 w: 236
button id: Quit text: "Quit" font: reg(R_FONT) size: 16 w: 236
}
}
handler Boot phase Start {
set_reg(R_FONT, font_load("/System/Library/Fonts/Supplemental/Arial.ttf"))
ui_build()
ui_open(UI_MainMenu)
}
handler Nav phase Update {
ui_tick(key())
if ui_clicked(UI_NewGame) { ui_set_text(UI_NewGame, "Starting...") }
if ui_clicked(UI_Continue) { ui_set_text(UI_Continue, "No save") }
if ui_clicked(UI_Options) { ui_set_text(UI_Options, "Soon (TM)") }
if ui_clicked(UI_Quit) { quit() }
}
handler Draw phase Render {
clear(0x0e0e16)
ui_render()
present()
}
}