Overview
| Comment: | add some instruments, fix some bugs (piano is not real yet) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
5422ffcfca2085c3b54be1d35c75c7ab |
| User & Date: | lexi on 2025-03-14 17:35:14 |
| Other Links: | manifest | tags |
Context
|
2025-03-14
| ||
| 19:27 | add docs check-in: a597ad7ee7 user: lexi tags: trunk | |
| 17:35 | add some instruments, fix some bugs (piano is not real yet) check-in: 5422ffcfca user: lexi tags: trunk | |
|
2025-03-12
| ||
| 06:46 | initial ostinata commit check-in: 908662f1b1 user: lexi tags: trunk | |
Changes
Modified ostinata/ostinata.janet from [ec4176d797] to [567adb1f1f].
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:cfg {:base 800 :span 600 :chime 1}
:setup freq-spread-notes
:note (fn sine:note [me env n]
(def freq (get-in me [:notes (n :index)]))
[(* (me :ampl) (n :vel)) freq (get-in me [:cfg :chime])]))
:string (struct/with-proto <instr>
:name "string"
:cfg {:base 500 # shortest frequency
:span 300 # range of frequencies
:decay 0}
:setup freq-spread-notes
:note (fn drum:note [me env n]
(def freq (get-in me [:notes (n :index)]))
(def c (me :cfg))
[(* (me :ampl) (n :vel)) freq (- 1 (* .1 (c :decay)))]))
})
(defn timecode→string [t]
(def μs (% t 1))
(def s (math/floor (% t 60)))
(def m (math/floor (% (/ t 60) 60)))
................................................................................
(def ins (:instr-for-chan env chan))
(defn note-key? [k]
(not (nil? (get-in ins [:note-map :key->index k]))))
(defn draw-stat-line [timecode]
(def sustain @[])
(defn clr [& r] (:color (env :tty) ;r))
# (defn vbar [& r] (:vbar (env :tty) ;r))
(each n (get-in ins [:note-map :keys])
(when-let [k (get held n nil)]
(def k (string/format "%c" n))
(array/push sustain k)))
(:msg env "\r\e[2K%s\r"
(string
(if rec "\e[91m⏺"
"\e[94m⏹") "\e[m"
(clr [.9 .95 1] [0.1 0.2 0.4]
(string " " (timecode→string timecode) " "))
(:vol-bar env (/ loud 11))
# (vbar (/ loud 11)
# [.5 1 .25]
# [1.0 1.0 0.25]
# [.8 0 0])
" " (chan :instr) "\e[96m@" (env :chan) "\e[m"
" \e[1m" (if rec "record" "play") "\e[m"
(string/join sustain))))
(def timewarp (get-in chan [:cfg :timewarp] 1.0))
(defn advance-clock [res]
(protect (forever
(def cur-time (ticks))
................................................................................
(defn stop-clock []
(when clock-fiber
(ev/cancel clock-fiber nil)
(set clock-fiber nil))
(when player-fiber
(ev/cancel player-fiber nil)
(set player-fiber nil)))
(defn ins-cmd [method & args]
((ins method) ins env ;args))
(defn stop-all-notes []
(eachp [k v] held
(:send env ;(ins-cmd :stop v 0))))
(defn cleanup []
................................................................................
(commit-unless-shift))
{:how :press :key :shift-l} (+= loud 1)
{:how :release :key :shift-l} (-= loud 1)
{:how :press :key :shift-r} (-= loud .5)
{:how :release :key :shift-r} (+= loud .5)
{:how :press :key :tab}
(do (put env :time start-time)
(stop-clock) (start-clock))
({:how :press :key n}
(<= 0x31 n 0x39))
(set loud (- n 0x30))
({:how :press :key k}
(note-key? k)
(nil? (held k)))
(do (def note {:id cur-id :vel loud
................................................................................
(:set-mode env :cmd)
_ (:msg env "event packet: %P\r\n"
(struct/proto-flatten event))
))))
(defn mk-channel []
@{:instr :sine
:ampl 1
:cfg @{}
:mute false})
(defn present-file [env text]
(def lines (string/split "\n" text))
(defn c [& r] (:color (env :tty) ;r))
................................................................................
(return give-up))
(<= (+ n histidx) lastidx)
(set histidx (max 0 (+ n histidx)))
:else (return give-up))
(set cmd-line (buffer (history histidx)))))
(when (or (= (event :how) :press)
(= (event :how) :repeat))
(match event
{:key :bksp} (buffer/popn cmd-line 1)
{:key :tab} (do)
{:key :up} (go-history -1)
{:key :dn} (go-history 1)
{:key :enter} (do
(:msg env "\r\n")
(set histidx nil)
(do-cmd cmd-line env)
(array/push history (string cmd-line))
(buffer/clear cmd-line))
{:text t} (buffer/push cmd-line t)
)))))
(defn task-cmd [env]
"command input handling"
(def {:tty tty} env)
(var mode nil)
|
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:cfg {:base 800 :span 600 :chime 1}
:setup freq-spread-notes
:note (fn sine:note [me env n]
(def freq (get-in me [:notes (n :index)]))
[(* (me :ampl) (n :vel)) freq (get-in me [:cfg :chime])]))
:string (struct/with-proto <instr>
:name "string"
:cfg {:base 200 # shortest frequency
:span 600 # range of frequencies
:decay 0}
:setup freq-spread-notes
:note (fn string:note [me env n]
(def freq (get-in me [:notes (n :index)]))
(def c (me :cfg))
[(* (me :ampl) (n :vel)) freq (- 1 (* .1 (c :decay)))]))
:piano (struct/with-proto <instr>
:name "piano"
:cfg {:base 400 # shortest frequency
:span 600} # range of frequencies
:setup freq-spread-notes
:note (fn piano:note [me env n]
(def freq (get-in me [:notes (n :index)]))
[(* (me :ampl) (n :vel)) freq]))
:warbulator (struct/with-proto <instr>
:name "warbulator"
:cfg {:base 400 # shortest frequency
:span 600 # range of frequencies
:range 3}
:setup freq-spread-notes
:note (fn warbulator:note [me env n]
(def freq (get-in me [:notes (n :index)]))
(def c (me :cfg))
[(* (me :ampl) (n :vel)) freq (c :range) (c :range)]))
})
(defn timecode→string [t]
(def μs (% t 1))
(def s (math/floor (% t 60)))
(def m (math/floor (% (/ t 60) 60)))
................................................................................
(def ins (:instr-for-chan env chan))
(defn note-key? [k]
(not (nil? (get-in ins [:note-map :key->index k]))))
(defn draw-stat-line [timecode]
(def sustain @[])
(defn clr [& r] (:color (env :tty) ;r))
# (defn vbar [& r] (:vbar (env :tty) ;r))
(def key-color-lut
[[0.8 0.0 0.2]
[0.2 0.5 1.0]
[0.3 1.0 0.2]
])
(let [nm (ins :note-map)]
(defn key->fac [k]
(def ki (get-in nm [:key->index (k 0)]))
(/ ki (nm :n)))
(each n (nm :keys)
(when-let [k (held (n 0))]
(array/push sustain
(clr (alg/vlut (key->fac n) key-color-lut) [0 0 0] n)))))
(:msg env "\r\e[2K%s\r"
(string
(if rec "\e[91m⏺"
"\e[94m⏹") "\e[m"
(clr [.9 .95 1] [0.1 0.2 0.4]
(string " " (timecode→string timecode) " "))
(:vol-bar env (/ loud 11))
# (vbar (/ loud 11)
# [.5 1 .25]
# [1.0 1.0 0.25]
# [.8 0 0])
" " (chan :instr) "\e[96m@" (env :chan) "\e[m"
" \e[1m" (if rec "record" "play") "\e[m "
(string/join sustain))))
(def timewarp (get-in chan [:cfg :timewarp] 1.0))
(defn advance-clock [res]
(protect (forever
(def cur-time (ticks))
................................................................................
(defn stop-clock []
(when clock-fiber
(ev/cancel clock-fiber nil)
(set clock-fiber nil))
(when player-fiber
(ev/cancel player-fiber nil)
(set player-fiber nil)))
(defn maybe-restart-clock []
(def restart? (not= nil clock-fiber))
(stop-clock)
(when restart? (start-clock)))
(defn ins-cmd [method & args]
((ins method) ins env ;args))
(defn stop-all-notes []
(eachp [k v] held
(:send env ;(ins-cmd :stop v 0))))
(defn cleanup []
................................................................................
(commit-unless-shift))
{:how :press :key :shift-l} (+= loud 1)
{:how :release :key :shift-l} (-= loud 1)
{:how :press :key :shift-r} (-= loud .5)
{:how :release :key :shift-r} (+= loud .5)
{:how :press :key :tab}
(do (put env :time start-time)
(maybe-restart-clock))
({:how :press :key n}
(<= 0x31 n 0x39))
(set loud (- n 0x30))
({:how :press :key k}
(note-key? k)
(nil? (held k)))
(do (def note {:id cur-id :vel loud
................................................................................
(:set-mode env :cmd)
_ (:msg env "event packet: %P\r\n"
(struct/proto-flatten event))
))))
(defn mk-channel []
@{:instr :string
:ampl 1
:cfg @{}
:mute false})
(defn present-file [env text]
(def lines (string/split "\n" text))
(defn c [& r] (:color (env :tty) ;r))
................................................................................
(return give-up))
(<= (+ n histidx) lastidx)
(set histidx (max 0 (+ n histidx)))
:else (return give-up))
(set cmd-line (buffer (history histidx)))))
(when (or (= (event :how) :press)
(= (event :how) :repeat))
(defn execute []
(:msg env "\r\n")
(set histidx nil)
(do-cmd cmd-line env)
(array/push history (string cmd-line))
(buffer/clear cmd-line))
(defn complete [])
(match event
{:key :bksp} (buffer/popn cmd-line 1)
{:key :tab} (complete)
{:key :up} (go-history -1)
{:key :dn} (go-history 1)
{:key :enter} (execute)
{:key :kp-enter} (execute)
{:text t} (buffer/push cmd-line t)
)))))
(defn task-cmd [env]
"command input handling"
(def {:tty tty} env)
(var mode nil)
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Modified ostinata/ostinata.orc from [fcb089814a] to [1a1b5670ed].
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; p5 freq
givol ftgen 1, 0, 10000, 25, \
500, 60, \
1000, 20, \
7000, 3, \
10000, 5
instr sine
tigoto skipinit
kt init 0
al init 1.0
ifreq = p5
ichime = p6
................................................................................
if p3 >= 0 then
aw = aw * at
endif
out aw
endin
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; p5 freq givol ftgen 1, 0, 10000, 25, \ 500, 60, \ 1000, 20, \ 7000, 3, \ 10000, 5 gipian ftgen 2, 0, 10000, 10, \ 1, 0.5, 0.3, 0.25, 0.2, 0.167, 0.14, 0.125, .111 instr sine tigoto skipinit kt init 0 al init 1.0 ifreq = p5 ichime = p6 ................................................................................ if p3 >= 0 then aw = aw * at endif out aw endin instr warbulator tigoto skipinit irange = p6 ifreq = p5 ivol = p4 * 40 * table(ifreq, givol) ata poscil 1.0, 100 atf poscil 1.0, bpf(ata, 0,1, 1,100) atq poscil 1.0, bpf(atf, 0,ifreq, 1,ifreq*irange) skipinit: aw = atq if p3 >= 0 then at linseg 1, p3, 0 aw = aw * at endif out ivol * aw endin instr bell tigoto skipinit ifreq = p5 ivol = p4 * 40 * table(ifreq, givol) at poscil 1.0, ifreq*2 af poscil 1.0, bpfcos(at, 0,ifreq, 1,ifreq*2.5) skipinit: aw = af if p3 >= 0 then at linseg 1, p3, 0 aw = aw * at endif out ivol * aw endin |