/*
	This file is part of "Interface Fractures III - Silicon".
	Copyright (c) 2015 Luka Prinčič, All right reserved.
	This program is free software distributed under
	GNU General Public Licence. See COPYING for more info.
	- - - - - - - - - - - - - - - - - - - - - - - - - - - -

	snd_lines.scd - deals with converting spectral lines
	of silicon into sound in time...
	
********************************************************** */

// var dir = PathName(thisProcess.nowExecutingPath).pathOnly;
// var siLines = FileReader.read(path: dir +/+ "../dev/silicon_lines.txt", skipBlanks:true, skipEmptyLines:true); 




(

// FUNCTION procLines: process lines and store/return List --------------------------------------------------------
~procLinesFunc = { // process lines, return na array
	arg location = PathName(thisProcess.nowExecutingPath).pathOnly +/+ "../dev/silicon_lines.txt";
	var siLines = FileReader.read(path: location, skipBlanks:true, skipEmptyLines:true); 
	var intensity, minutes, seconds, freq1, freq2, midi1, midi2, red, green, blue;
	var threshold = 0;
    var linewidth = 3;
	var spectrumheight = 750;
	var colorpenlen = 40;
	var siLinesData, processItem;
	var colors = [ // these are taken from http://astro.u-strasbg.fr/~koppen/discharge/discharge.html
		[ 3800.0,        0,   0,   0],  
		[ 4000.0,      150,   0, 150],  
		[ 4400.0,      120,   0, 255],  // violet
		[ 4500.0,        0,   0, 255],  // blue
		[ 4800.0,        0, 255, 255],  // cyan
		[ 5200.0,        0, 255,   0],  // green
		[ 5800.0,      255, 255,   0],  // yellow
		[ 6500.0,      255,   0,   0],  // red
		[ 7000.0,       80,   0,   0],
		[ 7300.0,        0,   0,   0] ];

	siLinesData = List.newClear(0);

	processItem = { |item, i, reverse=false, layer=0, tscale=1, toffset=0|

		if((item[1].asInt > threshold) && (item[0].asInt < 6741) && (item[0].asInt > 3950), {
			var color;
			var time, time_end = 60*37+5;
			var alpha = item[1].asFloat.linlin(0, 1000, 0, 255);

			intensity = item[1].asInt;
			
			// time
			if(reverse == false,
				// then
				{ time = (item[0].asFloat.linlin(3950, 6741, 0, time_end)); },
				// else:
				{ time = (item[0].asFloat.linlin(3950, 6741, time_end, 0)); } );
			time = time * tscale ;
			time = time + (toffset * time_end);

			minutes = (time / 60).round(1);
			seconds = (time % 60).round(1);
			freq1 = item[0].asFloat.linexp(3900, 7200, 16000, 40 ).asInt;
			freq2 = item[0].asFloat.linexp(3900, 7200, 40, 16000 ).asInt;
			midi1 = item[0].asFloat.linlin(3900, 7200, 0, 12 ).round(0.01);
			midi2 = item[0].asFloat.linlin(3900, 7200, 12, 0 ).round(0.01);

			colors.do({ |colordb, i|
				var thisboundary = colors[i][0];
				if (i+1 < colors.size, {
					var nextboundary = colors[i+1][0];
					if ((item[0].asFloat > thisboundary) && (item[0].asFloat < nextboundary), {

						var red   = colors[i][1] + ( ( (colors[i+1][1] - colors[i][1]) / (colors[i+1][0] - colors[i][0]) )
							* (item[0].asFloat - colors[i][0]) );
						var green = colors[i][2] + ( ( (colors[i+1][2] - colors[i][2]) / (colors[i+1][0] - colors[i][0]) )
							* (item[0].asFloat - colors[i][0]) );
						var blue  = colors[i][3] + ( ( (colors[i+1][3] - colors[i][3]) / (colors[i+1][0] - colors[i][0]) )
							* (item[0].asFloat - colors[i][0]) );
						var color = Color.new255(red.round(1),green.round(1),blue.round(1), alpha);
						var colorHSV = color.asHSV;

						// add line data as a List to the siLinesData List
						siLinesData.add(List[
							time, // [0]
							layer, // [1]
							item[0], // [2]
							intensity,	// [3]
							freq1, freq2, // [4], [5]
							midi1, midi2, // [6], [7]
							// R, G, B, [8] [9] [10]
							red.round(1), green.round(1), blue.round(1),
							// H, S, V, Alpha [11][12][13][14]
							(colorHSV[0] * 360).round(1), // hue
							(colorHSV[1] * 100).round(1), // saturation
							(colorHSV[2] * 100).round(1), // value
							(colorHSV[3] * 100).round(1) // ALPHA
						]); // end of siLinesData.add
					}); // endif wavelength inside this boundary
				}); // endif below last item (prevents error going beyond List's boundary)
			}); // end colors.do
		}); // endif threshold and inside min/max in the spectrum
	}; // end of function processItem

	// process lines four times with offsets and scales with golden ratios
	siLines.do({ |item, i| processItem.value(item, i, layer:0); });
	
	siLines.do({ | item, i| processItem.value(item, i, layer:1, reverse:true,
		tscale:0.618); });
	
	siLines.do({ | item, i| processItem.value(item, i, layer:1, reverse:true,
		tscale: 0.618.squared, toffset:0.618); 	});
	
	siLines.do({ | item, i| processItem.value(item, i, layer:2, reverse:false,
		tscale: 0.618.cubed, toffset:(0.618.squared-0.618.cubed)+0.618); });
	
	// return ?
	siLinesData;
	
};


// FUNCTION: display linesData list in a view/window
~viewLinesFunc = {
	arg siLinesData = ~siLinesData; // all we need is a List of data

	var intensity, minutes, seconds, freq1, freq2, midi1, midi2, red, green, blue;
	var layer, alpha;

	// some drawing variables
	var threshold = 0;
    var linewidth = 3;
	var spectrumheight = 750;
	var colorpenlen = 40;
	var alphamin = 10;
	var peny, penx;
	var color;
	var time, time_end = 60*37+5;

	// View/Window starts here
	var w = Window("TempSpectre", Rect(600, 5, width:560, height:spectrumheight));
	postln(~siLinesData);
	
	w.view.background_(Color.black);
	w.drawFunc = {

		Pen.smoothing_(false);
		Pen.translate(0,0);

		Pen.fillColor = Color.white;
		Pen.fillRect(Rect(colorpenlen * 3, 0, w.bounds.width - (colorpenlen * 3), spectrumheight));

		siLinesData.do({ |ldata, i|

			alpha = ldata[14].asFloat.linlin(0, 100, alphamin, 255);
			layer = ldata[1].asInt;
			spectrumheight = w.bounds.height;
			intensity = ldata[3].asInt;
			time = ldata[0];
			color = Color.new255(ldata[8], ldata[9], ldata[10], alpha);
			peny = time.linlin(0, time_end, 0, spectrumheight);
			penx = 2 - layer * colorpenlen;

			// colored lines on black
			Pen.fillColor = color;
			Pen.fillRect(Rect(penx, peny, colorpenlen, alpha.linlin(0,255,1,linewidth)));

			// black/gray lines on white
			Pen.fillColor = Color.black.alpha_(alpha.linlin(0,255,0,1));
			Pen.fillRect(Rect( colorpenlen*3, peny,
				w.bounds.width - (colorpenlen * 3) * intensity.linlin(0,1000,0,1),
				alpha.linlin(0,255,1,linewidth)));
			
			Pen.stroke; // draw the path

		}); // end of siLinesData.do
	}; // end of drawFunc{}
	w.refresh;
	w.front;
}; // end of viewLines function
)


// process lines, store to a List 
~siLinesData = ~procLinesFunc.value;

// sort 2D
~siLinesData = ~siLinesData.sortBy(0);
(
// display table of all data to post window
~siLinesData.do({ |item, i|
	post(i + "");
	item.do({ |value, i|
		post(i);
		post(":");
		post(value);
		post(" ");

	});
	post("\n");
});
)

// show a window/view with lines - score
~viewLinesFunc.value;





//////////////////////////////////////////////////////////////////////////////////////////////////////////////////

// move to sdefs.scd at one point? --------------------------------------------
SynthDef(\siliconSynth, { |freq = 440, amp = 0.2, attack = 1, release = 1|

	var sig, env, frequency, amply;

	frequency = [freq * 1.005, freq];
	amply = amp * 0.3;

	env = EnvGen.kr(Env.perc(attack, release, 1, [10, -10]), doneAction: 2); // ENVELOPE
	
	sig // -----------------------------------------------------------------------------------------
	= SinOsc.ar( freq: frequency, mul: amply * 0.9)
	+ SinOsc.ar( freq: frequency * 0.5 * LFNoise1.kr(0.1).linlin(-1, 1, 0.998, 1.002), mul: amply)
	+ SinOsc.ar( freq: frequency * 0.25 * LFNoise1.kr(0.1).linlin(-1, 1, 0.998, 1.002), mul: amply)
	
	+ Saw.ar( freq: frequency * LFNoise1.kr(0.1).linlin(-1, 1, 0.998, 1.002), mul: amply * 0.5)
	+ Saw.ar( freq: frequency * 0.5 * LFNoise1.kr(0.1).linlin(-1, 1, 0.998, 1.002), mul: amply * 0.5)
	+ Saw.ar( freq: frequency * 0.25 * LFNoise1.kr(0.1).linlin(-1, 1, 0.998, 1.002), mul: amply * 0.5)
	
	+ Pulse.ar( freq: frequency * LFNoise1.kr(0.1).linlin(-1, 1, 0.998, 1.002), mul: amply * 0.5)
	+ Pulse.ar( freq: frequency * 0.5 * LFNoise1.kr(0.1).linlin(-1, 1, 0.998, 1.002), mul: amply * 0.5)
	+ Pulse.ar( freq: frequency * 0.24 * LFNoise1.kr(0.1).linlin(-1, 1, 0.998, 1.002), mul: amply * 0.5)

	+ BPF.ar(BrownNoise.ar(), freq: frequency * LFNoise1.kr(0.01).linlin(-1, 1, 0.8, 1.2), rq: 0.1)
	+ BPF.ar(WhiteNoise.ar(), freq: frequency * 0.5 * LFNoise1.kr(0.01).linlin(-1, 1, 0.8, 1.2), rq: 0.1)
	
	+ BPF.ar(Crackle.ar(SinOsc.kr(0.1).linlin(-1, 1, 0.8, 2)), frequency * LFNoise1.kr(0.01).linlin(-1, 1, 0.8, 1.2), rq:0.1, mul:2)
	+ BPF.ar(Crackle.ar(SinOsc.kr(0.1).linlin(-1, 1, 0.8, 2)), frequency * 0.5 * LFNoise1.kr(0.01).linlin(-1, 1, 0.8, 1.2), rq:0.1, mul:2)

	; // -------------------------------------------------------------------------------------------

	sig = sig * env; // envlope the final sound
	Out.ar(0, sig); // output
	postln("\n~~~ adding SynthDef: siliconSynth ...");
}).add;
// -----------------------------------------------------------------------------


postln("~~~ loading mainTimeline routine");

~mainTimeline = Routine({

	var delta,  playhead, frequency, amp, step=0,
	    nextdelta, nextplayhead, nextfrequency, nextamp,
	    frequency_alt, nextfrequency_alt;
	
	while {
		
		step < siLines.size;
		
	} {
		// exposition
		frequency = siLines[step][0].asFloat.linexp(3900, 7200, 16000, 40);
		frequency_alt = siLines[step][0].asFloat.linexp(3900, 7200, 40, 16000);
		nextfrequency = siLines[step+1][0].asFloat.linexp(3900, 7200, 16000, 40);
		nextfrequency_alt = siLines[step+1][0].asFloat.linexp(3900, 7200, 40, 16000);
		nextplayhead = siLines[step+1][0].asFloat.linlin(3905.52, 7193.9, 0, (60*37+5));
		playhead = siLines[step][0].asFloat.linlin(3905.52, 7193.9, 0, (60*37+5));
		delta = nextplayhead - playhead;
		amp = siLines[step][1].asInt * 0.001;
		nextamp = siLines[step+1][1].asInt * 0.001;
		nextdelta = siLines[step+2][0].asFloat.linlin(3905.52, 7193.9, 0, (60*37+5)) - nextplayhead;

		//action::documentation
		post("\n~" + step + "| ");
		post((playhead/60).round(1));
		post(":");
		post((playhead%60).round(1));
		post(" | ");
		post(siLines[step][0]);
		post( "nm | " );
		post(frequency.round(1));
		post("Hz | ");
		post(frequency_alt.round(1));
		post("Hz | ");
		post(amp.ampdb.round(1));
		post("dB \\ ");
		post(delta.round(1));
		postln("s");

		post("                  ");
		post(delta.round(1));
		post("s / ");
		post(nextfrequency.round(1));
		post("Hz | ");
		post(nextfrequency_alt.round(1));
		post("Hz | ");
		post(nextamp.ampdb.round(1));
		post("dB \\ ");
		post(nextdelta.round(1));
		postln("s");

		Synth(\siliconSynth, [
			freq: nextfrequency,
			amp: nextamp,
			attack: delta,
			release: nextdelta
		]);

		Synth(\siliconSynth, [
			freq: nextfrequency_alt,
			amp: nextamp,
			attack: delta,
			release: nextdelta
		]);

		// epilogue
		step = step + 1;
		delta.yield;
		
	}
	
});


TempoClock.default.tempo = 1; // beats/sec /BPS



/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// DEBUG
//~siLines = FileReader.read(path:"../dev/silicon_lines.txt", skipBlanks:true, skipEmptyLines:true); 
//~siLines[124][0].postln;
//siLines.size.postln;
//r.next;
//r.stop;

		// if (siLines[step-1].notNil, {
		// 	playhead = siLines[step-1][0].asFloat.linlin(3900, 7200, 0, (60*37+5)); // at the end these are seconds!
		// }, { playhead = 0 });
		// nextdelta = siLines[step][0].asFloat.linlin(3900, 7200, 0, (60*37+5)) - playhead;
		// delta = playhead - prevplayhead;
		// prevplayhead = playhead;

/*
			post("t:" + item[0].asFloat.linlin(3900, 7200, 0, 12 ).asStringPrec(5) + Char.tab ); // tone
			post("t:" + item[0].asFloat.linlin(3900, 7200, 12, 0 ).asStringPrec(5) ); // tone reverse
			
			//{SinOsc.ar((item[0].asFloat.linlin(3900, 7200, 0, 12)+60).midicps, mul:item[1].asInt * 0.000005)}.play;
			/*{LFPar.ar((
				item[0].asFloat.linlin(3900, 7200, 0, 12)
				+ ( ( (i+1) % 1) * 12) + 60).midicps,
				mul:(item[1].asInt.linlin(0, 1000, 0.0, 0.5) + item[1].asInt.linexp(0, 1000, 0.01, 0.5))  * [i%2,abs(i%2-1)] * 0.05)}.play;
			*/
			//{SinOsc.ar(item[0].asFloat.linexp(3900, 7200, 20000, 40 ).asInt, mul:item[1].asInt * 0.000005)}.play;
			{SinOsc.ar(item[0].asFloat.linexp(3900, 7200, 20000, 40).asInt, mul:item[1].asInt * 0.00005)}.play;
*/