Skip to content

Commit 22a82c2

Browse files
eritiroeritiro
committed
Add the ability to configure the sequencer lanes
1 parent 104ef49 commit 22a82c2

File tree

3 files changed

+281
-20
lines changed

3 files changed

+281
-20
lines changed

‎brute-seq/Modules/Storage.lua‎

Lines changed: 73 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,73 @@
1+
-- @noindex
2+
3+
local serpent = dofile(script_path .. 'Modules/serpent.lua')
4+
5+
local defaultLanes = {
6+
{ name = "Kick", note = 36 }, -- C2
7+
{ name = "Snare 1", note = 37 },
8+
{ name = "Snare 2", note = 38 },
9+
{ name = "Tom High", note = 39 },
10+
{ name = "Tom Low", note = 40 },
11+
{ name = "Cymbal", note = 41 },
12+
{ name = "Cowbell", note = 42 },
13+
{ name = "Closed Hat", note = 43 },
14+
{ name = "Open Hat", note = 44 },
15+
{ name = "FM Drum", note = 45 },
16+
}
17+
18+
function lanesToString(tracks)
19+
return serpent.block(tracks, {
20+
comment = false,
21+
compact = false,
22+
indent = " ",
23+
sortkeys = true,
24+
nocode = true
25+
})
26+
end
27+
28+
function stringToLanes(str)
29+
local ok, tbl = serpent.load(str)
30+
if ok and type(tbl) == "table" then
31+
return tbl
32+
else
33+
return nil
34+
end
35+
end
36+
37+
function validateTextAsLanes(text)
38+
local tbl = stringToLanes(text)
39+
if not tbl then return false, nil end
40+
41+
-- Now validate structure:
42+
local count = 0
43+
for k, v in pairs(tbl) do
44+
if type(k) ~= "number" or k < 1 or math.floor(k) ~= k then
45+
return false, nil -- not an array
46+
end
47+
if type(v) ~= "table" then return false, nil end
48+
if type(v.name) ~= "string" then return false, nil end
49+
if type(v.note) ~= "number" then return false, nil end
50+
count = count + 1
51+
end
52+
53+
-- Optional: check no gaps
54+
for i = 1, count do
55+
if tbl[i] == nil then return false, nil end
56+
end
57+
58+
return true, tbl
59+
end
60+
61+
function storeLanes(track, tbl)
62+
local s = lanesToString(tbl)
63+
reaper.GetSetMediaTrackInfo_String(track, "P_EXT:BruteSeqTracks", s, true)
64+
end
65+
66+
function loadLanes(sequencerTrack)
67+
local ok, s = reaper.GetSetMediaTrackInfo_String(sequencerTrack, "P_EXT:BruteSeqTracks", "", false)
68+
if not ok or s == "" then
69+
return defaultLanes
70+
end
71+
local tbl = stringToLanes(s)
72+
return tbl or defaultLanes
73+
end

‎brute-seq/Modules/serpent.lua‎

Lines changed: 154 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,154 @@
1+
-- @noindex
2+
3+
local n, v = "serpent", "0.303" -- (C) 2012-18 Paul Kulchenko; MIT License
4+
local c, d = "Paul Kulchenko", "Lua serializer and pretty printer"
5+
local snum = {[tostring(1/0)]='1/0 --[[math.huge]]',[tostring(-1/0)]='-1/0 --[[-math.huge]]',[tostring(0/0)]='0/0'}
6+
local badtype = {thread = true, userdata = true, cdata = true}
7+
local getmetatable = debug and debug.getmetatable or getmetatable
8+
local pairs = function(t) return next, t end -- avoid using __pairs in Lua 5.2+
9+
local keyword, globals, G = {}, {}, (_G or _ENV)
10+
for _,k in ipairs({'and', 'break', 'do', 'else', 'elseif', 'end', 'false',
11+
'for', 'function', 'goto', 'if', 'in', 'local', 'nil', 'not', 'or', 'repeat',
12+
'return', 'then', 'true', 'until', 'while'}) do keyword[k] = true end
13+
for k,v in pairs(G) do globals[v] = k end -- build func to name mapping
14+
for _,g in ipairs({'coroutine', 'debug', 'io', 'math', 'string', 'table', 'os'}) do
15+
for k,v in pairs(type(G[g]) == 'table' and G[g] or {}) do globals[v] = g..'.'..k end end
16+
17+
local function s(t, opts)
18+
local name, indent, fatal, maxnum = opts.name, opts.indent, opts.fatal, opts.maxnum
19+
local sparse, custom, huge = opts.sparse, opts.custom, not opts.nohuge
20+
local space, maxl = (opts.compact and '' or ' '), (opts.maxlevel or math.huge)
21+
local maxlen, metatostring = tonumber(opts.maxlength), opts.metatostring
22+
local iname, comm = '_'..(name or ''), opts.comment and (tonumber(opts.comment) or math.huge)
23+
local numformat = opts.numformat or "%.17g"
24+
local seen, sref, syms, symn = {}, {'local '..iname..'={}'}, {}, 0
25+
local function gensym(val) return '_'..(tostring(tostring(val)):gsub("[^%w]",""):gsub("(%d%w+)",
26+
-- tostring(val) is needed because __tostring may return a non-string value
27+
function(s) if not syms[s] then symn = symn+1; syms[s] = symn end return tostring(syms[s]) end)) end
28+
local function safestr(s) return type(s) == "number" and (huge and snum[tostring(s)] or numformat:format(s))
29+
or type(s) ~= "string" and tostring(s) -- escape NEWLINE/010 and EOF/026
30+
or ("%q"):format(s):gsub("\010","n"):gsub("\026","\\026") end
31+
-- handle radix changes in some locales
32+
if opts.fixradix and (".1f"):format(1.2) ~= "1.2" then
33+
local origsafestr = safestr
34+
safestr = function(s) return type(s) == "number"
35+
and (nohuge and snum[tostring(s)] or numformat:format(s):gsub(",",".")) or origsafestr(s)
36+
end
37+
end
38+
local function comment(s,l) return comm and (l or 0) < comm and ' --[['..select(2, pcall(tostring, s))..']]' or '' end
39+
local function globerr(s,l) return globals[s] and globals[s]..comment(s,l) or not fatal
40+
and safestr(select(2, pcall(tostring, s))) or error("Can't serialize "..tostring(s)) end
41+
local function safename(path, name) -- generates foo.bar, foo[3], or foo['b a r']
42+
local n = name == nil and '' or name
43+
local plain = type(n) == "string" and n:match("^[%l%u_][%w_]*$") and not keyword[n]
44+
local safe = plain and n or '['..safestr(n)..']'
45+
return (path or '')..(plain and path and '.' or '')..safe, safe end
46+
local alphanumsort = type(opts.sortkeys) == 'function' and opts.sortkeys or function(k, o, n) -- k=keys, o=originaltable, n=padding
47+
local maxn, to = tonumber(n) or 12, {number = 'a', string = 'b'}
48+
local function padnum(d) return ("%0"..tostring(maxn).."d"):format(tonumber(d)) end
49+
table.sort(k, function(a,b)
50+
-- sort numeric keys first: k[key] is not nil for numerical keys
51+
return (k[a] ~= nil and 0 or to[type(a)] or 'z')..(tostring(a):gsub("%d+",padnum))
52+
< (k[b] ~= nil and 0 or to[type(b)] or 'z')..(tostring(b):gsub("%d+",padnum)) end) end
53+
local function val2str(t, name, indent, insref, path, plainindex, level)
54+
local ttype, level, mt = type(t), (level or 0), getmetatable(t)
55+
local spath, sname = safename(path, name)
56+
local tag = plainindex and
57+
((type(name) == "number") and '' or name..space..'='..space) or
58+
(name ~= nil and sname..space..'='..space or '')
59+
if seen[t] then -- already seen this element
60+
sref[#sref+1] = spath..space..'='..space..seen[t]
61+
return tag..'nil'..comment('ref', level)
62+
end
63+
-- protect from those cases where __tostring may fail
64+
if type(mt) == 'table' and metatostring ~= false then
65+
local to, tr = pcall(function() return mt.__tostring(t) end)
66+
local so, sr = pcall(function() return mt.__serialize(t) end)
67+
if (to or so) then -- knows how to serialize itself
68+
seen[t] = insref or spath
69+
t = so and sr or tr
70+
ttype = type(t)
71+
end -- new value falls through to be serialized
72+
end
73+
if ttype == "table" then
74+
if level >= maxl then return tag..'{}'..comment('maxlvl', level) end
75+
seen[t] = insref or spath
76+
if next(t) == nil then return tag..'{}'..comment(t, level) end -- table empty
77+
if maxlen and maxlen < 0 then return tag..'{}'..comment('maxlen', level) end
78+
local maxn, o, out = math.min(#t, maxnum or #t), {}, {}
79+
for key = 1, maxn do o[key] = key end
80+
if not maxnum or #o < maxnum then
81+
local n = #o -- n = n + 1; o[n] is much faster than o[#o+1] on large tables
82+
for key in pairs(t) do
83+
if o[key] ~= key then n = n + 1; o[n] = key end
84+
end
85+
end
86+
if maxnum and #o > maxnum then o[maxnum+1] = nil end
87+
if opts.sortkeys and #o > maxn then alphanumsort(o, t, opts.sortkeys) end
88+
local sparse = sparse and #o > maxn -- disable sparsness if only numeric keys (shorter output)
89+
for n, key in ipairs(o) do
90+
local value, ktype, plainindex = t[key], type(key), n <= maxn and not sparse
91+
if opts.valignore and opts.valignore[value] -- skip ignored values; do nothing
92+
or opts.keyallow and not opts.keyallow[key]
93+
or opts.keyignore and opts.keyignore[key]
94+
or opts.valtypeignore and opts.valtypeignore[type(value)] -- skipping ignored value types
95+
or sparse and value == nil then -- skipping nils; do nothing
96+
elseif ktype == 'table' or ktype == 'function' or badtype[ktype] then
97+
if not seen[key] and not globals[key] then
98+
sref[#sref+1] = 'placeholder'
99+
local sname = safename(iname, gensym(key)) -- iname is table for local variables
100+
sref[#sref] = val2str(key,sname,indent,sname,iname,true)
101+
end
102+
sref[#sref+1] = 'placeholder'
103+
local path = seen[t]..'['..tostring(seen[key] or globals[key] or gensym(key))..']'
104+
sref[#sref] = path..space..'='..space..tostring(seen[value] or val2str(value,nil,indent,path))
105+
else
106+
out[#out+1] = val2str(value,key,indent,nil,seen[t],plainindex,level+1)
107+
if maxlen then
108+
maxlen = maxlen - #out[#out]
109+
if maxlen < 0 then break end
110+
end
111+
end
112+
end
113+
local prefix = string.rep(indent or '', level)
114+
local head = indent and '{\n'..prefix..indent or '{'
115+
local body = table.concat(out, ','..(indent and '\n'..prefix..indent or space))
116+
local tail = indent and "\n"..prefix..'}' or '}'
117+
return (custom and custom(tag,head,body,tail,level) or tag..head..body..tail)..comment(t, level)
118+
elseif badtype[ttype] then
119+
seen[t] = insref or spath
120+
return tag..globerr(t, level)
121+
elseif ttype == 'function' then
122+
seen[t] = insref or spath
123+
if opts.nocode then return tag.."function() --[[..skipped..]] end"..comment(t, level) end
124+
local ok, res = pcall(string.dump, t)
125+
local func = ok and "((loadstring or load)("..safestr(res)..",'@serialized'))"..comment(t, level)
126+
return tag..(func or globerr(t, level))
127+
else return tag..safestr(t) end -- handle all other types
128+
end
129+
local sepr = indent and "\n" or ";"..space
130+
local body = val2str(t, name, indent) -- this call also populates sref
131+
local tail = #sref>1 and table.concat(sref, sepr)..sepr or ''
132+
local warn = opts.comment and #sref>1 and space.."--[[incomplete output with shared/self-references skipped]]" or ''
133+
return not name and body..warn or "do local "..body..sepr..tail.."return "..name..sepr.."end"
134+
end
135+
136+
local function deserialize(data, opts)
137+
local env = (opts and opts.safe == false) and G
138+
or setmetatable({}, {
139+
__index = function(t,k) return t end,
140+
__call = function(t,...) error("cannot call functions") end
141+
})
142+
local f, res = (loadstring or load)('return '..data, nil, nil, env)
143+
if not f then f, res = (loadstring or load)(data, nil, nil, env) end
144+
if not f then return f, res end
145+
if setfenv then setfenv(f, env) end
146+
return pcall(f)
147+
end
148+
149+
local function merge(a, b) if b then for k,v in pairs(b) do a[k] = v end end; return a; end
150+
return { _NAME = n, _COPYRIGHT = c, _DESCRIPTION = d, _VERSION = v, serialize = s,
151+
load = deserialize,
152+
dump = function(a, opts) return s(a, merge({name = '_', compact = true, sparse = true}, opts)) end,
153+
line = function(a, opts) return s(a, merge({sortkeys = true, comment = true}, opts)) end,
154+
block = function(a, opts) return s(a, merge({indent = ' ', sortkeys = true, comment = true}, opts)) end }

‎brute-seq/brute-seq.lua‎

Lines changed: 54 additions & 20 deletions
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,7 @@
11
-- @description brute-seq Drumbrute Impact sequencer for Reaper
22
-- @author eritiro
33
-- @license GPL v3
4-
-- @version 0.0.2
4+
-- @version 0.0.3
55
-- @provides
66
-- [main] brute-seq.lua
77
-- [nomain] Modules/*.lua
@@ -10,18 +10,6 @@
1010

1111
-- General configuration
1212
time_resolution = 4 -- 4 currentPattern.steps per beat (adjust if you changed it)
13-
local tracks = {
14-
{ name = "Kick", note = 36 }, -- C2
15-
{ name = "Snare 1", note = 37 },
16-
{ name = "Snare 2", note = 38 },
17-
{ name = "Tom High", note = 39 },
18-
{ name = "Tom Low", note = 40 },
19-
{ name = "Cymbal", note = 41 },
20-
{ name = "Cowbell", note = 42 },
21-
{ name = "Closed Hat", note = 43 },
22-
{ name = "Open Hat", note = 44 },
23-
{ name = "FM Drum", note = 45 },
24-
}
2513

2614
-- velocity used to add regular notes
2715
local normalVelocity = 100
@@ -50,6 +38,8 @@ dofile(script_path .. 'Modules/GUI.lua')
5038
-- requires time_resolution
5139
dofile(script_path .. 'Modules/Transport.lua')
5240

41+
dofile(script_path .. 'Modules/Storage.lua')
42+
5343
dofile(script_path .. 'Modules/MIDI.lua')
5444

5545
local function passSpacebar(ctx)
@@ -120,7 +110,7 @@ local function updateTimeSelection()
120110
end
121111
end
122112

123-
local function processPattern(currentPattern)
113+
local function processPattern(currentPattern, lanes)
124114
-- Navigation Step Bar
125115
local currentStepTotal = getCurrentStep(currentPattern.item)
126116
local currentStep = currentStepTotal and (currentStepTotal % currentPattern.steps) + 1 or -1
@@ -154,7 +144,7 @@ local function processPattern(currentPattern)
154144

155145
-- Step Grid
156146

157-
for ti,trk in ipairs(tracks) do
147+
for ti,trk in ipairs(lanes) do
158148
local id = '##ch' .. ti
159149
local selected = false
160150
local sprite = selected and images.Channel_button_on
@@ -193,21 +183,55 @@ local function processPattern(currentPattern)
193183
reaper.ImGui_PopStyleVar(ctx)
194184
end
195185

186+
187+
-- UI state -----------------------------------------------------------
188+
local showPopup = false
189+
local editText
190+
191+
local function showLanesConfigPopup()
192+
local visibleOK = reaper.ImGui_BeginPopupModal(ctx, "Edit Lanes", nil,
193+
reaper.ImGui_WindowFlags_AlwaysAutoResize())
194+
if visibleOK then
195+
reaper.ImGui_Text(ctx, "Edit the configuration describing the track lanes:")
196+
changed, editText = reaper.ImGui_InputTextMultiline(ctx, "##lanesSrc", editText,
197+
480, 260, reaper.ImGui_InputTextFlags_AllowTabInput())
198+
199+
local valid = validateTextAsLanes(editText)
200+
if not valid then
201+
reaper.ImGui_TextColored(ctx, 0xFF4444FF, "Invalid format!")
202+
end
203+
204+
if reaper.ImGui_Button(ctx, "OK") then
205+
if valid then
206+
lanes = stringToLanes(editText)
207+
storeLanes(sequencerTrack, lanes)
208+
reaper.ImGui_CloseCurrentPopup(ctx)
209+
end
210+
end
211+
reaper.ImGui_SameLine(ctx)
212+
if reaper.ImGui_Button(ctx, "Cancel") then
213+
reaper.ImGui_CloseCurrentPopup(ctx)
214+
end
215+
reaper.ImGui_EndPopup(ctx)
216+
end
217+
return visibleOK
218+
end
219+
196220
local function loop()
197-
passThroughShortcuts(ctx)
198221
reaper.ImGui_PushFont(ctx,font)
199222
reaper.ImGui_SetNextWindowSize(ctx,900,420,reaper.ImGui_Cond_FirstUseEver())
200223
visible, open = reaper.ImGui_Begin(ctx,'BRUTE SEQ',true)
201224
if visible then
202-
reaper.ImGui_PushStyleColor(ctx,reaper.ImGui_Col_WindowBg(),0x222222FF)
203225

204226
local sequencerTrack = getSequencerTrack()
227+
local lanes = loadLanes(sequencerTrack)
228+
205229
local patternCount = reaper.CountTrackMediaItems(sequencerTrack)
206-
207230
updateCurrentPatternIndex()
208-
209231
local currentPattern = getPattern(sequencerTrack, currentPatternIndex - 1)
210232
local command = nil
233+
234+
reaper.ImGui_PushStyleColor(ctx,reaper.ImGui_Col_WindowBg(),0x222222FF)
211235
if currentPattern then
212236
-- top bar
213237
pushToolbarStyles(ctx)
@@ -240,12 +264,14 @@ local function loop()
240264
changedLoopSongOption, loopSong = reaper.ImGui_Checkbox(ctx, "Loop song", loopSong)
241265
reaper.ImGui_SameLine(ctx)
242266
changedRippleOption, ripple = reaper.ImGui_Checkbox(ctx, "Ripple", ripple)
267+
reaper.ImGui_SameLine(ctx)
268+
local configLanes = reaper.ImGui_Button(ctx, "Config")
243269

244270
popToolbarStyles(ctx)
245271
reaper.ImGui_Separator(ctx)
246272

247273
if isMidi(currentPattern.item) then
248-
processPattern(currentPattern)
274+
processPattern(currentPattern, lanes)
249275
else
250276
reaper.ImGui_AlignTextToFramePadding(ctx)
251277
reaper.ImGui_Text(ctx, "Non MIDI items are not supported in the sequencer track")
@@ -299,6 +325,10 @@ local function loop()
299325
nextPattern = getPattern(sequencerTrack, currentPatternIndex - 1)
300326
updateCursor(currentPattern.item, nextPattern.item)
301327
updateTimeSelection()
328+
elseif configLanes then
329+
showPopup = true
330+
editText = lanesToString(lanes)
331+
reaper.ImGui_OpenPopup(ctx, "Edit Lanes")
302332
end
303333
else -- if currentPattern
304334
reaper.ImGui_SameLine(ctx)
@@ -312,6 +342,10 @@ local function loop()
312342
end
313343
reaper.ImGui_PopStyleColor(ctx)
314344
end
345+
local popupActive = showLanesConfigPopup()
346+
if not popupActive then
347+
passThroughShortcuts(ctx)
348+
end
315349
reaper.ImGui_End(ctx)
316350
reaper.ImGui_PopFont(ctx)
317351
if open then

0 commit comments

Comments
 (0)