import math import data_centre.plugin_collection from data_centre.plugin_collection import ActionsPlugin, SequencePlugin, DisplayPlugin, AutomationSourcePlugin class LFOModulationPlugin(ActionsPlugin,SequencePlugin,DisplayPlugin, AutomationSourcePlugin): MAX_LFOS = 4 PRESET_FILE_NAME = "LFOModulationPlugin/config.json" presets = {} # active = True (toggle_lfo_active) to enable sending of modulation active = False # for keeping track of LFO levels level = [0.0]*MAX_LFOS #, 0.0, 0.0, 0.0] speed = 0.5 stop_flag = False pause_flag = False def __init__(self, plugin_collection): super().__init__(plugin_collection) #self.PRESET_FILE_NAME = "ShaderLoopRecordPlugin/frames.json" self.presets = self.load_presets() self.level = self.presets.get('levels', [0.0]*self.MAX_LFOS).copy() self.active = self.presets.get('active', False) self.set_lfo_speed_direct(self.presets.get('speed'), self.speed) self.pc.shaders.root.after(1000, self.start_plugin) def start_plugin(self): super().start_plugin() self.pc.shaders.root.after(0, self.run_automation) def stop_plugin(self): super().stop_plugin() self.save_presets() def load_presets(self): print("trying load presets? %s " % self.PRESET_FILE_NAME) return self.pc.read_json(self.PRESET_FILE_NAME) or { 'levels': [0.0]*self.MAX_LFOS, 'active': self.active } def save_presets(self): #for cmd,struct in self.commands.items(): # self.presets.setdefault('modulation_levels',{})[cmd] = struct.get('modulation',[{},{},{},{}]) self.pc.update_json(self.PRESET_FILE_NAME, { 'levels': self.level.copy(), 'active': self.active, 'speed': self.speed } ) # DisplayPlugin methods def get_display_modes(self): return ['LFOMODU','NAV_LFO'] def show_plugin(self, display, display_mode): from tkinter import Text, END #super(DisplayPlugin).show_plugin(display, display_mode) display.display_text.insert(END, '{} \n'.format(display.body_title)) display.display_text.insert(END, "LFOModulationPlugin ") display.display_text.insert(END, "ACTIVE" if self.active else "not active") display.display_text.insert(END, "\tSpeed: {:4.2f}% {}\n\n".format(self.speed*100, display.get_speed_indicator(self.speed/2.0, convert=False))) for lfo,value in enumerate(self.level): display.display_text.insert(END, "lfo {} level: {:4.2f}% {}\t".format(lfo,value*100,display.get_bar(value))) display.display_text.insert(END, "{}\t{}\n".format(self.last_lfo_status[lfo], display.get_bar(self.last_lfo_value[lfo]))) display.display_text.insert(END, "\t%s\n" % self.formula[lfo]) # AutomationSourcePlugin methods # methods/vars for AutomationSourcePlugin # a lot of the nitty-gritty handled in parent class, these are for interfacing to the plugin def get_frame_data(self): diff = { 'levels': self.level, 'speed': self.speed, 'active': self.active } #self.last_record = {} #print(">>> reporting frame data for rec\n\t%s" % diff) return diff def recall_frame_data(self, data): if data is None: return # print(">>>>recall from data:\n\t%s\n" %data) if data.get('levels') is not None: for slot,level in enumerate(data.get('levels')): self.set_lfo_modulation_level(slot, level) if data.get('active') is not None: self.active = self.get('active') if data.get('speed') is not None: self.set_lfo_speed_direct(data.get('speed')) def get_frame_summary(self, data): line = "" if data.get('levels') is not None: line += "LFO levels [" for i in range(4): line += self.pc.display.get_bar(data['levels'][i]) line += "] " if data.get('active') is not None: line += "active " if data.get('active') else 'inactive ' if data.get('speed') is not None: line += self.pc.display.get_speed_indicator(data.get('speed')) #print ("returning %s from %s" %(line, data)) return line # ActionsPlugin methods @property def parserlist(self): return [ ( r"^set_lfo_modulation_([0-3])_level$", self.set_lfo_modulation_level ), ( r"^toggle_lfo_active$", self.toggle_lfo_active ), ( r"^set_lfo_speed", self.set_lfo_speed ) # TODO: changing formulas and LFO modes, speed ] def set_lfo_modulation_level(self, slot, value): self.level[slot] = value def set_lfo_speed(self, speed): self.set_lfo_speed_direct(-4*(0.5-(speed))) def set_lfo_speed_direct(self, speed): self.speed = speed def toggle_lfo_active(self): self.active = not self.active # Formula handling for generating automation # mapping 0-3 to match the LFO # TODO: save & load this to config file, make editable formula = [ "f_sin", "f_double_cos", "f_invert_sin", #"f_invert_double_cos", "f_linear" ] # run the formula for the stored lfo configuration last_lfo_status = [None]*MAX_LFOS # for displaying status last_lfo_value = [None]*MAX_LFOS #lfo_speed = [1.0]*MAX_LFOS def getLFO(self, position, lfo): lfo_value = getattr(self,self.formula[lfo])(position, self.level[lfo]) self.last_lfo_value[lfo] = lfo_value self.last_lfo_status[lfo] = "sent {:03.1f}%".format(lfo_value*100.0) return lfo_value # built-in waveshapes # outgoing values should be between 0 and 1!! # todo: more of the these, and better! def f_sin(self, position, level): #return level * (( math.sin(position*math.pi))) value = math.sin(position * math.pi * 2) / 2 value *= level value += 0.5 # normalise to range 0 - 1 return value def f_invert_sin(self, position, level): return 1.0 - self.f_sin(position, level) def f_double_cos(self, position, level): return self.f_sin(math.cos(position*math.pi), level) def f_invert_double_cos(self, position, level): return 1.0 - self.f_double_cos(position, level) def f_linear(self, position, level): return position * level # SequencePlugin methods def run_sequence(self, position): import time now = time.time() if self.pc.data.plugins is None: # not initialised yet return if not self.active: # output is disabled return for lfo in range(0,self.MAX_LFOS): if self.level[lfo]>0.0: self.pc.actions.call_method_name( "modulate_param_%s_to_amount_continuous"%lfo, self.getLFO(position, lfo) )