ludic/examples/library/combat.ludic
Orkuncakilkaya bf36bc8a8f refactor(runtime,packages,examples): named constants, package enums, idiom sweep
- runtime: HEADLESS_FRAME_PATH, STICK_DEADZONE / STICK_LEFT_X/Y, key and
  byte codes as char literals throughout (`k == 'w'`, `fill(rt_map, ' ', …)`)
- ludic.gameplay/stats: drop the duplicate `stat_field` (it answered "atk"
  for every build stat); Stats.base uses stats_field_name
- ludic.shooter: compare aim modes and fire patterns with AimMode.* and
  WeaponPattern.* instead of raw ints; STICK_RIGHT_X/Y
- ludic.npcai: DecisionMade / brain_set_state use AiState.*
- examples/games/menu.ludic uses Font.load / Ui.* with FONT_PATH and
  BACKDROP named; strings.ludic header says what it prints
- whole tree: `x = x + 1` → `x += 1` (single-term right-hand sides only),
  `0 - x` → `-x`, ASCII codes → char literals; every .ludic and every
  ```ludic fence reformatted with the fixed formatter (whitespace only)

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
2026-09-05 01:12:26 +03:00

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# ============================================================================
# combat.ludic — a Ludic *library*, not a game.
#
# `module` instead of `game` means: no entry point, no frame loop. ludicc
# compiles this to a real shared object —
#
# ludicc examples/library/combat.ludic --shared -o build/libcombat.dylib
#
# — whose `export fn`s are ordinary C-ABI symbols. Anything that can call a
# .dylib/.so/.dll can call these: another Ludic program via `extern fn`, a game
# engine, a test harness, a scripting host. Non-exported functions stay private
# to the library.
# ============================================================================
program Combat {
const CRIT_MULT: int = 2
# damage after armour, with a crit multiplier applied on an exact roll
@export function damage(attack: int, armour: int, roll: int) -> int {
var raw = attack - armour
if raw < 1 { raw = 1 }
if roll == 20 { raw *= CRIT_MULT }
return raw
}
# how many hits to drop a target — the loop is here so the caller cannot
# accidentally disagree with `damage` about rounding
@export function hits_to_kill(hp: int, attack: int, armour: int) -> int {
var left = hp
var n = 0
while left > 0 {
left -= damage(attack, armour, 0)
n += 1
}
return n
}
@export function xp_for(level: int, kills: int) -> int {
return curve(level) * kills
}
# private: not exported, so it is not a symbol in the library
function curve(level: int) -> int {
return 10 + level * level * 3
}
}