feat(P.3.3): v0.3.0 — unified BIND_MAP, mouse-button binding support

This commit is contained in:
Axel Meyer
2026-05-12 02:25:09 +02:00
parent 2fabefbf8e
commit 086c51ee28
2 changed files with 98 additions and 68 deletions

164
init.lua
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@@ -1,56 +1,78 @@
-- ===================================================================== -- =====================================================================
-- lib-core.input — Action-Mapping + Direction-Vector (v0.2.0) -- lib-core.input — Action-Mapping + Direction-Vector (v0.3.0)
-- See: meta/docs/superpowers/specs/2026-05-11-engine-input-symbolic-keys-design.md -- See: meta/docs/superpowers/specs/2026-05-12-p3-3-mouse-input-design.md
--
-- v0.3.0 (P.3.3 2026-05-12): bind() now accepts unified key+mouse
-- strings via BIND_MAP with kind-tagged entries ({kind="key"|"mouse",
-- code=<engine-int>}). Mixed bindings supported: e.g.
-- input.bind("interact", {"e", "mouse_left"})
-- Backward-compatible with v0.2.0 callsites — existing key-only binds
-- work unchanged.
-- --
-- v0.2.0 (P.2.6 2026-05-11): bind() accepts string-key-names only. -- v0.2.0 (P.2.6 2026-05-11): bind() accepts string-key-names only.
-- Integer engine.input.KEY_* args are rejected (modules go through -- Integer engine.input.KEY_* args are rejected.
-- string-API; KEY_* stays as low-level engine-primitive).
-- --
-- Scope: action-mapping (string-key-name-arrays per action) + -- Scope v0.3.0: action-mapping (string-key+mouse-arrays per action) +
-- direction-vector helper. DEPRECATED-MVP for: mouse-button actions, -- direction-vector helper. DEPRECATED-MVP: mouse-wheel, was_released
-- gamepad bindings, action-context-stack, key-rebinding config, -- edge, mouse-delta helper, side-buttons, gamepad bindings,
-- modifier-combos, analog-axis, was_action_released edge. -- action-context-stack, key-rebinding config.
-- ===================================================================== -- =====================================================================
-- string → engine.input.KEY_* mapping. Lowercase-only convention. -- Unified string → {kind, code} mapping. Lowercase convention.
-- Right-modifier-Aliases (rshift/rctrl/ralt) + function-keys + special-keys -- "mouse_*" namespaces avoid collision with arrow-key "left"/"right".
-- (delete/insert/home/end/pageup/pagedown) sind forthcoming, additiv wenn local BIND_MAP = {
-- engine.input rechte-Modifier + F-keys + Special-Keys exposed. -- Letters (26) — kind="key"
local KEY_MAP = { a = {kind="key", code=engine.input.KEY_A}, b = {kind="key", code=engine.input.KEY_B},
-- Letters (26) c = {kind="key", code=engine.input.KEY_C}, d = {kind="key", code=engine.input.KEY_D},
a = engine.input.KEY_A, b = engine.input.KEY_B, c = engine.input.KEY_C, e = {kind="key", code=engine.input.KEY_E}, f = {kind="key", code=engine.input.KEY_F},
d = engine.input.KEY_D, e = engine.input.KEY_E, f = engine.input.KEY_F, g = {kind="key", code=engine.input.KEY_G}, h = {kind="key", code=engine.input.KEY_H},
g = engine.input.KEY_G, h = engine.input.KEY_H, i = engine.input.KEY_I, i = {kind="key", code=engine.input.KEY_I}, j = {kind="key", code=engine.input.KEY_J},
j = engine.input.KEY_J, k = engine.input.KEY_K, l = engine.input.KEY_L, k = {kind="key", code=engine.input.KEY_K}, l = {kind="key", code=engine.input.KEY_L},
m = engine.input.KEY_M, n = engine.input.KEY_N, o = engine.input.KEY_O, m = {kind="key", code=engine.input.KEY_M}, n = {kind="key", code=engine.input.KEY_N},
p = engine.input.KEY_P, q = engine.input.KEY_Q, r = engine.input.KEY_R, o = {kind="key", code=engine.input.KEY_O}, p = {kind="key", code=engine.input.KEY_P},
s = engine.input.KEY_S, t = engine.input.KEY_T, u = engine.input.KEY_U, q = {kind="key", code=engine.input.KEY_Q}, r = {kind="key", code=engine.input.KEY_R},
v = engine.input.KEY_V, w = engine.input.KEY_W, x = engine.input.KEY_X, s = {kind="key", code=engine.input.KEY_S}, t = {kind="key", code=engine.input.KEY_T},
y = engine.input.KEY_Y, z = engine.input.KEY_Z, u = {kind="key", code=engine.input.KEY_U}, v = {kind="key", code=engine.input.KEY_V},
-- Numbers (10) w = {kind="key", code=engine.input.KEY_W}, x = {kind="key", code=engine.input.KEY_X},
["0"] = engine.input.KEY_ZERO, ["1"] = engine.input.KEY_ONE, y = {kind="key", code=engine.input.KEY_Y}, z = {kind="key", code=engine.input.KEY_Z},
["2"] = engine.input.KEY_TWO, ["3"] = engine.input.KEY_THREE, -- Numbers (10) — kind="key"
["4"] = engine.input.KEY_FOUR, ["5"] = engine.input.KEY_FIVE, ["0"] = {kind="key", code=engine.input.KEY_ZERO},
["6"] = engine.input.KEY_SIX, ["7"] = engine.input.KEY_SEVEN, ["1"] = {kind="key", code=engine.input.KEY_ONE},
["8"] = engine.input.KEY_EIGHT, ["9"] = engine.input.KEY_NINE, ["2"] = {kind="key", code=engine.input.KEY_TWO},
-- Arrows (4) ["3"] = {kind="key", code=engine.input.KEY_THREE},
left = engine.input.KEY_LEFT, right = engine.input.KEY_RIGHT, ["4"] = {kind="key", code=engine.input.KEY_FOUR},
up = engine.input.KEY_UP, down = engine.input.KEY_DOWN, ["5"] = {kind="key", code=engine.input.KEY_FIVE},
-- Whitespace + control (5) ["6"] = {kind="key", code=engine.input.KEY_SIX},
space = engine.input.KEY_SPACE, ["7"] = {kind="key", code=engine.input.KEY_SEVEN},
tab = engine.input.KEY_TAB, ["8"] = {kind="key", code=engine.input.KEY_EIGHT},
enter = engine.input.KEY_ENTER, ["9"] = {kind="key", code=engine.input.KEY_NINE},
backspace = engine.input.KEY_BACKSPACE, -- Arrows (4) — kind="key"
escape = engine.input.KEY_ESCAPE, left = {kind="key", code=engine.input.KEY_LEFT},
-- Modifiers (left-side; aliases for ergonomics) right = {kind="key", code=engine.input.KEY_RIGHT},
shift = engine.input.KEY_LEFT_SHIFT, lshift = engine.input.KEY_LEFT_SHIFT, up = {kind="key", code=engine.input.KEY_UP},
ctrl = engine.input.KEY_LEFT_CONTROL, lctrl = engine.input.KEY_LEFT_CONTROL, down = {kind="key", code=engine.input.KEY_DOWN},
alt = engine.input.KEY_LEFT_ALT, lalt = engine.input.KEY_LEFT_ALT, -- Whitespace + control (5) — kind="key"
-- Console-toggle (DE: ^, US: `) space = {kind="key", code=engine.input.KEY_SPACE},
["^"] = engine.input.KEY_GRAVE, tab = {kind="key", code=engine.input.KEY_TAB},
enter = {kind="key", code=engine.input.KEY_ENTER},
backspace = {kind="key", code=engine.input.KEY_BACKSPACE},
escape = {kind="key", code=engine.input.KEY_ESCAPE},
-- Modifiers (left-side; aliases for ergonomics) — kind="key"
shift = {kind="key", code=engine.input.KEY_LEFT_SHIFT},
lshift = {kind="key", code=engine.input.KEY_LEFT_SHIFT},
ctrl = {kind="key", code=engine.input.KEY_LEFT_CONTROL},
lctrl = {kind="key", code=engine.input.KEY_LEFT_CONTROL},
alt = {kind="key", code=engine.input.KEY_LEFT_ALT},
lalt = {kind="key", code=engine.input.KEY_LEFT_ALT},
-- Console-toggle (DE: ^, US: `) — kind="key"
["^"] = {kind="key", code=engine.input.KEY_GRAVE},
-- Mouse buttons (3) — kind="mouse" (P.3.3)
mouse_left = {kind="mouse", code=engine.input.MOUSE_LEFT},
mouse_right = {kind="mouse", code=engine.input.MOUSE_RIGHT},
mouse_middle = {kind="mouse", code=engine.input.MOUSE_MIDDLE},
} }
local bindings = {} -- action_name -> array of key-codes (post-resolution) local bindings = {} -- action_name -> array of {kind, code} entries
local M = {} local M = {}
@@ -62,20 +84,20 @@ function M.bind(action_name, keys)
error(string.format("input.bind: keys must be a non-empty array of key-name strings (action '%s')", error(string.format("input.bind: keys must be a non-empty array of key-name strings (action '%s')",
action_name)) action_name))
end end
-- Resolve each string-key to engine keycode via KEY_MAP. Atomic: if any -- Resolve each string-key to {kind, code} entry via BIND_MAP. Atomic:
-- key invalid, the entire bind fails without partial-state mutation. -- if any key invalid, the entire bind fails without partial-state mutation.
local resolved = {} local resolved = {}
for i, k in ipairs(keys) do for i, k in ipairs(keys) do
if type(k) ~= "string" then if type(k) ~= "string" then
error(string.format("input.bind: key #%d for action '%s' must be a lowercase string (got %s); use 'a'..'z', '0'..'9', 'left', 'space', 'ctrl', 'escape', etc. — see lib-core.input README for full table", error(string.format("input.bind: key #%d for action '%s' must be a lowercase string (got %s); use 'a'..'z', 'left', 'space', 'mouse_left', etc. — see BIND_MAP in lib-core.input/init.lua",
i, action_name, type(k))) i, action_name, type(k)))
end end
local code = KEY_MAP[k] local entry = BIND_MAP[k]
if code == nil then if entry == nil then
error(string.format("input.bind: unknown key-name '%s' for action '%s' — must be lowercase, see KEY_MAP in lib-core.input/init.lua for valid keys", error(string.format("input.bind: unknown key-name '%s' for action '%s' — must be lowercase key ('a'..'z', 'left', 'space', ...) or mouse ('mouse_left', 'mouse_right', 'mouse_middle')",
k, action_name)) k, action_name))
end end
resolved[i] = code resolved[i] = entry
end end
bindings[action_name] = resolved bindings[action_name] = resolved
end end
@@ -85,19 +107,21 @@ function M.unbind(action_name)
end end
function M.is_action_down(action_name) function M.is_action_down(action_name)
local keys = bindings[action_name] local entries = bindings[action_name]
if not keys then return false end if not entries then return false end
for _, k in ipairs(keys) do for _, e in ipairs(entries) do
if engine.input.is_key_down(k) then return true end if e.kind == "key" and engine.input.is_key_down(e.code) then return true end
if e.kind == "mouse" and engine.input.is_mouse_down(e.code) then return true end
end end
return false return false
end end
function M.was_action_pressed(action_name) function M.was_action_pressed(action_name)
local keys = bindings[action_name] local entries = bindings[action_name]
if not keys then return false end if not entries then return false end
for _, k in ipairs(keys) do for _, e in ipairs(entries) do
if engine.input.was_pressed(k) then return true end if e.kind == "key" and engine.input.was_pressed(e.code) then return true end
if e.kind == "mouse" and engine.input.was_mouse_pressed(e.code) then return true end
end end
return false return false
end end
@@ -118,12 +142,18 @@ function M.action_count()
return n return n
end end
-- DEPRECATED-MVP: bind_mouse(action, button) -- mouse-button slice -- DEPRECATED-MVP (P.3.3-introduced):
-- DEPRECATED-MVP: bind_gamepad(action, ...) -- gamepad slice -- mouse-wheel binding (wheel_up/wheel_down) — P.3-future-slice (post-P.3.4); continuous-vs-edge brainstorming needed
-- DEPRECATED-MVP: push_context(name) / pop_context() -- action-context-stack -- was_action_released(action) — lift-detection-edge (both key + mouse atomic)
-- DEPRECATED-MVP: load_bindings_from_config(path) -- key-rebinding slice -- mouse-delta helper (engine.input.get_mouse_delta) — P.3.5/6 drag-pan / drag-box
-- DEPRECATED-MVP: was_action_released(action) -- lift-detection slice -- mouse-button side-buttons (mouse_4 / mouse_5) — additive extension
-- DEPRECATED-MVP: right-modifier-keys (rshift/rctrl/ralt) -- engine.input.KEY_RIGHT_* erforderlich -- mouse-position lib-wrapper (input.mouse_pos() → {x,y}) — convenience layer
-- DEPRECATED-MVP: function-keys (f1..f12) + special-keys (delete/insert/home/end/pageup/pagedown) -- engine.input-Erweiterung erforderlich --
-- DEPRECATED-MVP (existing from v0.2.0):
-- bind_gamepad(action, ...) — gamepad slice
-- push_context(name) / pop_context() — action-context-stack
-- load_bindings_from_config(path) — key-rebinding slice
-- right-modifier-keys (rshift/rctrl/ralt) — engine.input.KEY_RIGHT_* required
-- function-keys (f1..f12) + special-keys (delete/insert/home/end/pageup/pagedown) — engine.input extension required
return M return M

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@@ -1 +1 @@
{"id":"lib-core.input","version":"0.2.0","api_min":"0.1"} {"id":"lib-core.input","version":"0.3.0","api_min":"0.1"}