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;;
;; starlet/open-sound-control/utils.scm
;;
;; Copyright © 2020-2023 Thomas White <taw@bitwiz.org.uk>
;;
;; This file is part of Starlet.
;;
;; Starlet is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;
(define-module (starlet open-sound-control utils)
#:use-module (starlet attributes)
#:use-module (starlet playback)
#:use-module (starlet selection)
#:use-module (starlet fixture)
#:use-module (starlet engine)
#:use-module (starlet state)
#:use-module (starlet utils)
#:use-module (open-sound-control client)
#:use-module (open-sound-control server-thread)
#:use-module (srfi srfi-1)
#:export (osc-playback-indicators
osc-playback-controls
osc-select-button
osc-parameter-encoder
osc-state-fader))
(define* (osc-playback-controls pb server go-method stop-method back-method
#:key (min-time-between-presses 0.2))
(let ((time-last-press 0))
(add-osc-method server go-method ""
(lambda ()
(let ((time-this-press (hirestime)))
(if (> time-this-press (+ time-last-press min-time-between-presses))
(go! pb)
(display "Too soon after last press!\n"))
(set! time-last-press time-this-press)))))
(add-osc-method server stop-method "" (lambda () (stop! pb)))
(add-osc-method server back-method "" (lambda () (back! pb))))
(define (osc-playback-indicators pb addr go-led stop-led back-led)
(add-and-run-hook!
(state-change-hook pb)
(lambda (new-state)
(if (eq? new-state 'running)
(osc-send addr stop-led 'green)
(osc-send addr stop-led 'off))
(cond
((eq? new-state 'pause)
(osc-send addr go-led 'orange))
((eq? new-state 'ready)
(osc-send addr go-led 'green))
((eq? new-state 'running)
(osc-send addr go-led 'green))
(else
(osc-send addr go-led 'off))))
(playback-state pb))
(osc-send addr back-led 'green))
(define (osc-select-button server button-method addr led fix)
(add-osc-method server button-method ""
(lambda () (toggle-sel fix)))
(add-and-run-hook!
selection-hook
(lambda (sel)
(if (selected? fix)
(osc-send addr led 'orange)
(osc-send addr led 'red)))
(get-selection)))
(define (encoder-inc attr n)
(for-each
(lambda (fix)
(at fix attr (+ (current-value fix attr) n)))
(get-selection)))
(define (osc-parameter-encoder server encoder-method addr led attr)
(add-osc-method server (string-append encoder-method "/inc") ""
(lambda () (encoder-inc attr 3)))
(add-osc-method server (string-append encoder-method "/dec") ""
(lambda () (encoder-inc attr -3)))
(add-osc-method server (string-append encoder-method "/inc-fine") ""
(lambda () (encoder-inc attr 1)))
(add-osc-method server (string-append encoder-method "/dec-fine") ""
(lambda () (encoder-inc attr -1)))
(add-and-run-hook!
selection-hook
(lambda (sel)
(if (any
(lambda (fix)
(fixture-has-attr? fix attr))
(get-selection))
(osc-send addr led 'green)
(osc-send addr led 'off)))
(get-selection)))
(define (ccval->percent n)
(/ (* n 100) 127))
(define (osc-state-fader server fader state)
(let ((fader-val 0))
(register-state!
(lighting-state
(state-for-each
(lambda (fix attr val)
(at fix attr
(lambda ()
(if (intensity? attr)
;; Intensity parameters get scaled according to the fader
(* 0.01 val (ccval->percent fader-val))
;; Non-intensity parameters just get set in our new state,
;; but only if the fader is up!
(if (> fader-val 0)
val
'no-value)))))
state)))
(add-osc-method server fader "i"
(lambda (v) (set! fader-val v)))))
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