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/*
1		/*
2		Code (c) alex rodriguez-mcinteer 2016
3		This code is free to use, modify, and distribute, and is provided as is without warrenty
4		youtube video mentioning this is available on the channel: https://www.youtube.com/channel/UCKd5FMMuMkQgtatSc5sSZPw
5		if you enjoy my software, please subscribe to my youtube for more c;
6
7		FYI, you need to install the controlP5 library on processing for this to work
8
9		Please inform me of modifications you make, and I will gladly share them on youtube C:
10		*/
11
12		import java.util.*;
13		import controlP5.*;
14		ControlP5 cp5;
15
16		final int Range = 200;
17		float Liquidity = 1;
18		Exchange CommodityExchange;
19		Trader Producers[];
20		Trader Consumers[];
21
22		void setup()
23		{
24		size( displayWidth, 700 );
25		frameRate( -1 );
26		cp5 = new ControlP5( this );
27
28		CommodityExchange = new Exchange( 4000 );
29
30		Producers = new Trader[2000];
31		Consumers = new Trader[2000];
32
33		for( int i = 0; i < 2000; i++ )
34		{
35		Producers[ i ] = new Trader( i, 10000, 200, true, false, 100, 1 );
36		Consumers[ i ] = new Trader( i+2000, 10000, 200, false, true, 125, 1 );
37		Producers[ i ].Trade( i );
38		Consumers[ i ].Trade( i+2000 );
39		}
40		}
41
42		void draw()
43		{
44		background( 0 );
45
46		CommodityExchange.Draw();
47		CommodityExchange.RunLogic();
48		CommodityExchange.FillTradesLogic();
49
50		for( int i = 0; i < ( CommodityExchange.Traders/2 ); i++ )
51		{
52		Producers[ i ].Trade( i );
53		Consumers[ i ].Trade( i+2000 );
54		}
55		}
56
57		class Trader
58		{
59		boolean Producer;
60		boolean Consumer;
61		boolean Trading;
62
63		int EntryPoint;
64		int PurchaseVolume;
65		int Time;
66		int Id;
67
68		public Trader( int Id_, int m, int i, boolean p, boolean c, int pv, int t )
69		{
70		Id = Id_;
71		Producer = p;
72		Consumer = c;
73		PurchaseVolume = pv;
74		Time = t;
75		Trading = false;
76		EntryPoint = 0;
77		}
78
79		public void Trade( int ID )
80		{
81		if( second() % Time == 0 && Trading == false && random( 0, 1 ) >= .999 )
82		{
83		Trading = true;
84
85		int BS = ( ( Integer ) ( ( ArrayList ) CommodityExchange.Bid.get( CommodityExchange.BidPrice ) ).get( ID ) );
86		int AS = ( ( Integer ) ( ( ArrayList ) CommodityExchange.Ask.get( CommodityExchange.AskPrice ) ).get( ID ) );
87
88		if( !Producer )
89		{
90
91		boolean t = ( random( 0, 1 ) < Liquidity );
92		int level = ( int ) random( 0, 5 );
93
94		if( true )
95		{
96		float Size = random( 0, 1 ) * PurchaseVolume;
97
98		if( t )
99		{
100		EntryPoint = ( int ) max( 1, ( float ) ( CommodityExchange.AskPrice-level ) );
101		( ( ArrayList ) CommodityExchange.Bid.get( ( int ) min( ( float )Range - 1, max( 1, ( float ) ( CommodityExchange.AskPrice-level ) ) ) ) ).set( ID, BS + ( ( int ) ( Size ) ) );
102		}
103		else
104		{
105		EntryPoint = ( int ) max( 1, ( float ) ( CommodityExchange.BidPrice-level ) );
106		( ( ArrayList ) CommodityExchange.Bid.get( ( int ) min( ( float )Range - 1, max( 1, ( float ) ( CommodityExchange.BidPrice-level ) ) ) ) ).set( ID, BS + ( ( int ) ( Size ) ) );
107		}
108		}
109		}
110		else
111		{
112		Trading = true;
113		boolean t = ( random( 0, 1 ) < Liquidity );
114		int level = ( int ) random( 0, 5 );
115
116		if( true )
117		{
118		float Size = random( 0, 1 ) * PurchaseVolume;
119
120		if( t )
121		{
122		EntryPoint = ( int ) max( 1, ( float ) ( CommodityExchange.BidPrice+level ) );
123		( ( ArrayList ) CommodityExchange.Ask.get( ( int ) min( ( float )Range - 1, max( 1, ( float ) ( CommodityExchange.BidPrice+level ) ) ) ) ).set( ID, AS + ( ( int ) ( random( 0, 1 ) * PurchaseVolume ) ) );
124		}
125		else
126		{
127		EntryPoint = ( int ) min( ( float )Range - 1, max( 1, ( float ) ( CommodityExchange.AskPrice+level ) ) );
128		( ( ArrayList ) CommodityExchange.Ask.get( ( int ) min( ( float )Range - 1, max( 1, ( float ) ( CommodityExchange.AskPrice+level ) ) ) ) ).set( ID, AS + ( ( int ) ( random( 0, 1 ) * PurchaseVolume ) ) );
129		}
130		}
131		}
132		}
133		else
134		{
135		if( Consumer )
136		{
137		if( CommodityExchange.BidPrice - EntryPoint > 5 )
138		{
139		Trading = false;
140		( ( ArrayList ) CommodityExchange.Bid.get( ( int ) min( 199, EntryPoint ) ) ).set( Id, ( ( int ) ( 0 ) ) );
141		}
142		}
143		else
144		{
145		if( EntryPoint-CommodityExchange.AskPrice > 5 )
146		{
147		Trading = false;
148		( ( ArrayList ) CommodityExchange.Ask.get( ( int ) min( 199, EntryPoint ) ) ).set( Id, ( ( int ) ( 0 ) ) );
149		}
150		}
151		}
152		}
153		}
154
155		class Exchange
156		{
157		ArrayList Bid;
158		ArrayList Ask;
159		int Traders;
160
161		int BidPrice;
162		int AskPrice;
163
164		Chart myChart;
165
166		public Exchange( int T )
167		{
168		Bid = new ArrayList();
169		Ask = new ArrayList();
170		Traders = T;
171		BidPrice = 49;
172		AskPrice = 50;
173
174		cp5.addSlider( "slider_demand" )
175		.setPosition( 275, 525 )
176		.setSize( width - 350, 20 )
177		.setRange( 0, 200 )
178		.setValue( 100 )
179		;
180
181		cp5.addSlider( "slider_supply" )
182		.setPosition( 275, 550 )
183		.setSize( width - 350, 20 )
184		.setRange( 0, 200 )
185		.setValue( 100 )
186		;
187
188		cp5.addSlider( "slider_liquidity" )
189		.setPosition( 275, 575 )
190		.setSize( width - 350, 20 )
191		.setRange( 0, 1 )
192		.setValue( 100 )
193		;
194
195		myChart = cp5.addChart( "dataflow" )
196		.setPosition( 275, 100 )
197		.setSize( width - 300, 400 )
198		.setRange( 0, Range )
199		.setView( Chart.LINE ) // use Chart.LINE, Chart.PIE, Chart.AREA, Chart.BAR_CENTERED
200		.setStrokeWeight( 1 )
201		.setColorCaptionLabel( color( 40 ) )
202		;
203
204		myChart.addDataSet( "tickflow_B" );
205		myChart.setData( "tickflow_B", new float[480] );
206		myChart.addDataSet( "tickflow_A" );
207		myChart.setData( "tickflow_A", new float[480] );
208
209		for( int i = 0; i < Range; i ++ )
210		{
211		Bid.add( new ArrayList() );
212		Ask.add( new ArrayList() );
213
214		for( int j = 0; j < Traders; j ++ )
215		{
216		( ( ArrayList ) Bid.get( i ) ).add( ( int ) 0 );
217		( ( ArrayList ) Ask.get( i ) ).add( ( int ) 0 );
218		}
219		}
220		}
221
222		public void RunLogic()
223		{
224		int BP = 1;
225		int AP = Range -3;
226
227		for( int i = 1; i < Range -2; i ++ )
228		{
229		int BI1 = 0;
230		int AI1 = 0;
231		int BI2 = 0;
232		int AI2 = 0;
233
234		for( int j = 0; j < Traders; j ++ )
235		{
236		BI1 += ( ( Integer ) ( ( ArrayList ) Bid.get( i ) ).get( j ) );
237		AI1 += ( ( Integer ) ( ( ArrayList ) Ask.get( i ) ).get( j ) );
238		BI2 += ( ( Integer ) ( ( ArrayList ) Bid.get( i+1 ) ).get( j ) );
239		AI2 += ( ( Integer ) ( ( ArrayList ) Ask.get( i-1 ) ).get( j ) );
240		}
241
242		if( BI2 == 0 && BI1 > 0 )
243		{
244		if( i > BP )
245		{
246		BP = i;
247		}
248		}
249
250		if( AI2 == 0 && AI1 > 0 )
251		{
252		if( i < AP )
253		{
254		AP = i;
255		}
256		}
257		}
258
259		if( BP != 1 )
260		{
261		BidPrice = BP;
262		}
263
264		if( AP < Range-3 )
265		{
266		AskPrice = AP;
267		}
268
269		myChart.push( "tickflow_A", AskPrice );
270		myChart.push( "tickflow_B", BidPrice );
271		}
272
273		public void FillTradesLogic()
274		{
275		for( int i = 0; i < Range-1; i++ )
276		{
277		for( int j = 0; j < Traders; j ++ )
278		{
279		int AskSize = ( ( Integer ) ( ( ArrayList ) Ask.get( i ) ).get( j ) );
280
281		if( AskSize > 0 )
282		{
283		for( int x = BidPrice; x >=0; x-- )
284		{
285		for( int y = 0; y < Traders; y ++ )
286		{
287		if( AskSize > 0 && ( ( Integer ) ( ( ArrayList ) Bid.get( x ) ).get( y ) ) > 0 )
288		{
289		int BidSize = ( ( Integer ) ( ( ArrayList ) Bid.get( x ) ).get( y ) );
290
291		if( BidSize < AskSize && BidSize > 0 )
292		{
293		( ( ArrayList ) Bid.get( x ) ).set( y, 0 );
294		( ( ArrayList ) Ask.get( i ) ).set( j, AskSize-BidSize );
295		Consumers[ y%( CommodityExchange.Traders/2 ) ].Trading = false;
296
297		AskSize -= BidSize;
298		}
299		else if( BidSize > AskSize && AskSize > 0 )
300		{
301		( ( ArrayList ) Bid.get( x ) ).set( y, BidSize-AskSize );
302		( ( ArrayList ) Ask.get( i ) ).set( j, 0 );
303		Producers[ j%( CommodityExchange.Traders/2 ) ].Trading = false;
304		AskSize = 0;
305		}
306		else if( BidSize == AskSize && BidSize > 0 )
307		{
308		Producers[ j%( CommodityExchange.Traders/2 ) ].Trading = false;
309		Consumers[ y%( CommodityExchange.Traders/2 ) ].Trading = false;
310		( ( ArrayList ) Bid.get( x ) ).set( y, 0 );
311		( ( ArrayList ) Ask.get( i ) ).set( j, 0 );
312		AskSize = 0;
313		}
314		}
315		}
316		}
317		}
318		}
319		}
320		}
321
322		public void Draw()
323		{
324		fill( 0, 0, 128 );
325		rect( 0, 0, 125, height );
326		fill( 128, 0, 0 );
327		rect( 125, 0, 125, height );
328
329		for( int i = 0; i < Range; i++ )
330		{
331		int B = 0;
332		int A = 0;
333
334		for( int j = 0; j < Traders; j ++ )
335		{
336		B += ( ( Integer ) ( ( ArrayList ) Bid.get( i ) ).get( j ) );
337		A += ( ( Integer ) ( ( ArrayList ) Ask.get( i ) ).get( j ) );
338		}
339
340		fill( 255 );
341		stroke( 255 );
342		text( i, 25, ( height/1.05 )*( ( ( float ) i ) / ( ( float ) Range ) ) + 25 );
343		text( B, 65, ( height/1.05 )*( ( ( float ) i ) / ( ( float ) Range ) ) + 25 );
344		text( i, 145, ( height/1.05 )*( ( ( float ) i ) / ( ( float ) Range ) ) + 25 );
345		text( A, 175, ( height/1.05 )*( ( ( float ) i ) / ( ( float ) Range ) ) + 25 );
346		}
347
348		fill( 255 );
349		stroke( 255 );
350		text( "Bid: " + BidPrice, 275, 25 );
351		text( "Ask: " + AskPrice, 275, 50 );
352		}
353		}
354
355		void slider_supply( float level )
356		{
357		for( int i = 0; i < ( CommodityExchange.Traders/2 )+1; i++ )
358		{
359		Producers[ i ].PurchaseVolume = ( int ) level;
360		}
361		}
362
363		void slider_demand( float level )
364		{
365		for( int i = 0; i < ( CommodityExchange.Traders/2 )+1; i++ )
366		{
367		Consumers[ i ].PurchaseVolume = ( int ) level;
368		}
369		}
370
371
372		void slider_liquidity( float level )
373		{
374		Liquidity = level;
375		}