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spiralsynthmodular/SpiralSound/Plugins/MatrixPlugin/MatrixPlugin.C

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  1. /*  SpiralSound

  2.  *  Copyleft (C) 2001 David Griffiths <dave@pawfal.org>

  3.  *

  4.  *  This program is free software; you can redistribute it and/or modify

  5.  *  it under the terms of the GNU General Public License as published by

  6.  *  the Free Software Foundation; either version 2 of the License, or

  7.  *  (at your option) any later version.

  8.  *

  9.  *  This program is distributed in the hope that it will be useful,

  10.  *  but WITHOUT ANY WARRANTY; without even the implied warranty of

  11.  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  12.  *  GNU General Public License for more details.

  13.  *

  14.  *  You should have received a copy of the GNU General Public License

  15.  *  along with this program; if not, write to the Free Software

  16.  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

  17. */

  18. #include "MatrixPlugin.h"

  19. #include "MatrixPluginGUI.h"

  20. #include <FL/Fl_Button.h>

  21. #include "SpiralIcon.xpm"

  22. #include "../../RiffWav.h"

  23. #include "../../NoteTable.h"

  24. 

  25. extern "C" {

  26. SpiralPlugin* CreateInstance()

  27. {

  28. 	return new MatrixPlugin;

  29. }

  30. 

  31. char** GetIcon()

  32. {

  33. 	return SpiralIcon_xpm;

  34. }

  35. 

  36. int GetID()

  37. {

  38. 	return 0x0012;

  39. }

  40. }

  41. 

  42. ///////////////////////////////////////////////////////

  43. 

  44. MatrixPlugin::MatrixPlugin() :

  45. m_TickTime(1.0f),

  46. m_StepTime(1.0f),

  47. m_Time(0.0f),

  48. m_Step(0),

  49. m_Loop(true),

  50. m_NoteCut(false),

  51. m_Current(0),

  52. m_CurrentNoteCV(0),

  53. m_CurrentTriggerCV(0),

  54. m_Triggered(false),

  55. m_ClockHigh(false),

  56. m_CopyPattern(0),

  57. m_PatAdvance(false),

  58. m_PatReset(false)

  59. {

  60. 	m_Version=3;

  61. 

  62. 	m_PluginInfo.Name="Matrix";

  63. 	m_PluginInfo.Width=555;

  64. 	m_PluginInfo.Height=270;

  65. 	m_PluginInfo.NumInputs=5;

  66. 	m_PluginInfo.NumOutputs=19;		

  67. 	m_PluginInfo.PortTips.push_back("Play Trigger");	

  68. 	m_PluginInfo.PortTips.push_back("StepTime CV");	

  69. 	m_PluginInfo.PortTips.push_back("Input Pitch CV");	

  70. 	m_PluginInfo.PortTips.push_back("Input Trigger CV");

  71. 	m_PluginInfo.PortTips.push_back("External Clock");

  72. 	//m_PluginInfo.PortTips.push_back("Pattern Advance");

  73. 	//m_PluginInfo.PortTips.push_back("Pattern Reset");

  74. 	m_PluginInfo.PortTips.push_back("Output Pitch");	

  75. 	m_PluginInfo.PortTips.push_back("Output Trigger");

  76. 	m_PluginInfo.PortTips.push_back("Trigger 1");

  77. 	m_PluginInfo.PortTips.push_back("Trigger 2");

  78. 	m_PluginInfo.PortTips.push_back("Trigger 3");

  79. 	m_PluginInfo.PortTips.push_back("Trigger 4");

  80. 	m_PluginInfo.PortTips.push_back("Trigger 5");

  81. 	m_PluginInfo.PortTips.push_back("Trigger 6");

  82. 	m_PluginInfo.PortTips.push_back("Trigger 7");

  83. 	m_PluginInfo.PortTips.push_back("Trigger 8");

  84. 	m_PluginInfo.PortTips.push_back("Trigger 9");

  85. 	m_PluginInfo.PortTips.push_back("Trigger 10");

  86. 	m_PluginInfo.PortTips.push_back("Trigger 11");

  87. 	m_PluginInfo.PortTips.push_back("Trigger 12");

  88. 	m_PluginInfo.PortTips.push_back("Trigger 13");

  89. 	m_PluginInfo.PortTips.push_back("Trigger 14");

  90. 	m_PluginInfo.PortTips.push_back("Trigger 15");

  91. 	m_PluginInfo.PortTips.push_back("Trigger 16");

  92. 	m_PluginInfo.PortTips.push_back("Reset Trigger");	

  93. 		

  94. 	for (int n=0; n<NUM_PATTERNS; n++)

  95. 	{

  96. 		m_Matrix[n].Length=64;

  97. 		m_Matrix[n].Speed=1.0f;

  98. 		m_Matrix[n].Octave=0;

  99. 		

  100. 		for (int x=0; x<MATX; x++)

  101. 		for (int y=0; y<MATY; y++)

  102. 		{

  103. 			m_Matrix[n].Matrix[x][y]=false;

  104. 			m_Matrix[n].Volume[x][y]=1;

  105. 		}

  106. 		

  107. 		m_TriggerLevel[n]=0;

  108. 	}

  109. 	

  110. 	m_AudioCH->Register("NoteCut",&m_NoteCut,ChannelHandler::INPUT);

  111. 	m_AudioCH->Register("Volume",&m_GUIArgs.Volume,ChannelHandler::INPUT);

  112. 	m_AudioCH->Register("Current",&m_Current,ChannelHandler::INPUT);

  113. 	m_AudioCH->Register("StepTime",&m_StepTime,ChannelHandler::INPUT);

  114. 	m_AudioCH->Register("Num",&m_GUIArgs.Num,ChannelHandler::INPUT);

  115. 	m_AudioCH->Register("Length",&m_GUIArgs.Length,ChannelHandler::INPUT);

  116. 	m_AudioCH->Register("Speed",&m_GUIArgs.Speed,ChannelHandler::INPUT);

  117. 	m_AudioCH->Register("X",&m_GUIArgs.X,ChannelHandler::INPUT);

  118. 	m_AudioCH->Register("Y",&m_GUIArgs.Y,ChannelHandler::INPUT);

  119. 	m_AudioCH->Register("Octave",&m_GUIArgs.Octave,ChannelHandler::INPUT);

  120. 	m_AudioCH->Register("Step",&m_Step,ChannelHandler::OUTPUT);

  121. 	m_AudioCH->RegisterData("Matrix",ChannelHandler::OUTPUT_REQUEST,&m_Matrix,sizeof(m_Matrix));

  122. }

  123. 

  124. MatrixPlugin::~MatrixPlugin()

  125. {

  126. }

  127. 

  128. PluginInfo &MatrixPlugin::Initialise(const HostInfo *Host)

  129. {	

  130. 	PluginInfo& Info = SpiralPlugin::Initialise(Host);

  131. 	m_TickTime = 1.0f/(float)m_HostInfo->SAMPLERATE;

  132. 	return Info;

  133. }

  134. 

  135. SpiralGUIType *MatrixPlugin::CreateGUI()

  136. {

  137. 	return new MatrixPluginGUI(m_PluginInfo.Width,

  138. 								  	    m_PluginInfo.Height,

  139. 										this,m_AudioCH,m_HostInfo);

  140. }

  141. 

  142. void MatrixPlugin::Execute()

  143. {	

  144. 	for (int n=0; n<m_HostInfo->BUFSIZE; n++)

  145. 	{

  146. 		if (InputExists(1)) m_StepTime = GetInput(1,n);

  147. 		

  148. 		// inc time 

  149. 		m_Time+=m_TickTime;

  150. 		

  151. 		SetOutputPitch(0,n,m_CurrentNoteCV);

  152. 		SetOutput(1,n,m_CurrentTriggerCV);

  153.                 

  154. 		if (m_Step+1 >= m_Matrix[m_Current].Length) SetOutput(18, n, 1);

  155.         else SetOutput(18, n, 0);

  156. 		 

  157. 		if (GetInputPitch(0,n)>0) 

  158. 		{

  159. 			if (!m_Triggered)

  160. 			{

  161. 				float Freq=GetInputPitch(0,n);

  162. 				// Notes 0 to 16 trigger patterns 0 to 16

  163. 				// No other notes catered for

  164. 				for (int i=0; i<NUM_PATTERNS; i++)

  165. 				{

  166. 					if (feq(Freq,NoteTable[i],0.01f))

  167. 					{						

  168. 						m_Current=i;

  169. 						break;

  170. 					}

  171. 				}

  172. 				

  173. 				// make it so the next note to trigger

  174. 				// will be the first one								

  175. 				m_Time=m_StepTime*(1/m_Matrix[m_Current].Speed);

  176. 				m_Step=-1;

  177. 

  178. 				m_Triggered=true;

  179. 			}

  180. 		}

  181. 		else

  182. 		{

  183. 			m_Triggered=false;

  184. 		}

  185. 

  186. 

  187. 		// set the individual triggers

  188. 		for (int t=0; t<NUM_PATTERNS; t++) SetOutput(t+2,n,m_TriggerLevel[t]);

  189. 

  190. 

  191. 		bool ExternalClock = InputExists(4);

  192. 		bool ExternalClockTriggered=false;

  193. 		

  194. 		if (ExternalClock)

  195. 		{

  196. 			if (GetInput(4,n)>0)

  197. 			{

  198. 				if(!m_ClockHigh)

  199. 				{

  200. 					m_ClockHigh=true;

  201. 					ExternalClockTriggered=true;

  202. 				}

  203. 			}

  204. 			else

  205. 			{

  206. 				if (m_ClockHigh)

  207. 				{

  208. 					m_ClockHigh=false;

  209. 					ExternalClockTriggered=true;

  210. 				}

  211. 			}

  212. 			

  213. 			// reset the position on a signal from input 1

  214. 			if (InputExists(0) && GetInput(0,n)!=0)

  215. 			{

  216. 				m_Step=-1;

  217. 				ExternalClockTriggered=true;

  218. 			}

  219. 		}

  220. /* not yet...			

  221. 		// external pattern advance

  222. 		if (GetInput(5,n)>0)

  223. 		{

  224. 			if (!m_PatAdvance)

  225. 			{

  226. 				m_Current++;

  227. 				if (m_Current==16) m_Current=0;

  228. 				m_PatAdvance=true;

  229. 				m_Step=-1;

  230. 				ExternalClockTriggered=true;

  231. 			}

  232. 		}

  233. 		else

  234. 		{

  235. 			m_PatAdvance=false;

  236. 		}

  237. 		

  238. 		// external pattern reset

  239. 		if (GetInput(6,n)>0)

  240. 		{

  241. 			if (!m_PatReset)

  242. 			{

  243. 				m_Current=0;

  244. 				m_PatReset=true;

  245. 				m_Step=-1;

  246. 				ExternalClockTriggered=true;

  247. 			}

  248. 		}

  249. 		else

  250. 		{

  251. 			m_PatReset=false;

  252. 		}	

  253. */		

  254. 		// An external clock pulse overrides the internal timing

  255. 		if ((!ExternalClock && m_Time>=m_StepTime*(1/m_Matrix[m_Current].Speed)) ||

  256. 			(ExternalClock && ExternalClockTriggered)) 

  257. 		{		

  258. 			m_Time=0;

  259. 			m_Step++;

  260. 			

  261. 			if (m_Step >= m_Matrix[m_Current].Length) m_Step=0;

  262. 						

  263. 			// Reset the values

  264. 			m_CurrentTriggerCV=0;

  265. 			if (m_NoteCut) m_CurrentNoteCV=0;

  266. 			for (int t=0; t<NUM_PATTERNS; t++) 

  267. 			{

  268. 				SetOutput(t+2,n,0);

  269. 				m_TriggerLevel[t]=0;

  270. 			}

  271. 			

  272. 			// Scan the matrix at current time 

  273. 			for (int i=0; i<MATY; i++)

  274. 			{

  275. 				if (m_Matrix[m_Current].Matrix[m_Step][i])

  276. 				{

  277. 				

  278. 					m_CurrentNoteCV=NoteTable[i+m_Matrix[m_Current].Octave*12];

  279. 					m_CurrentTriggerCV=m_Matrix[m_Current].Volume[m_Step][i];

  280. 					m_TriggerLevel[i]=m_Matrix[m_Current].Volume[m_Step][i];

  281. 				}

  282. 			}

  283. 			

  284. 			// reset the triggers between steps to clear them

  285. 			// otherwise consecutive events wont get triggered

  286. 			SetOutput(1,n,0);

  287. 			for (int t=0; t<NUM_PATTERNS; t++) SetOutput(t+2,n,0);

  288. 		}

  289. 	}

  290. }

  291. 

  292. void MatrixPlugin::ExecuteCommands()

  293. {

  294. 	if (m_AudioCH->IsCommandWaiting())

  295. 	{

  296. 		switch (m_AudioCH->GetCommand())

  297. 		{

  298. 			case MAT_LENGTH   :

  299. 				m_Matrix[m_Current].Length=m_GUIArgs.Length; 

  300. 			break;

  301. 			

  302. 			case MAT_SPEED    : 

  303. 				m_Matrix[m_Current].Speed=m_GUIArgs.Speed/8.0f; 

  304. 			break;		

  305. 			

  306. 			case MAT_ACTIVATE : 

  307. 				m_Matrix[m_Current].Matrix[m_GUIArgs.X][m_GUIArgs.Y]=true; 

  308. 			break;		

  309. 			

  310. 			case MAT_DEACTIVATE : 

  311. 				m_Matrix[m_Current].Matrix[m_GUIArgs.X][m_GUIArgs.Y]=false; 

  312. 			break;

  313. 			case MAT_OCTAVE : 

  314. 				m_Matrix[m_Current].Octave=m_GUIArgs.Octave; 

  315. 			break;

  316. 			case COPY : 

  317. 				CopyPattern(); 

  318. 			break;

  319. 			case PASTE : 

  320. 				PastePattern(); 

  321. 			break;

  322. 			case CLEAR : 

  323. 				ClearPattern(); 

  324. 			break;

  325. 			case TUP : 

  326. 				if (CanTransposeUp()) TransposeUp(); 

  327. 			break;

  328. 			case TDOWN : 

  329. 				if (CanTransposeDown()) TransposeDown(); 

  330. 			break;

  331. 			case MAT_VOLUME : 

  332. 				m_Matrix[m_Current].Volume[m_GUIArgs.X][m_GUIArgs.Y]=m_GUIArgs.Volume; 

  333. 			break;

  334. 		}

  335. 	}

  336. }

  337. 

  338. void MatrixPlugin::PastePattern() {

  339.      m_Matrix[m_Current].Length = m_Matrix[m_CopyPattern].Length;

  340.      m_Matrix[m_Current].Speed = m_Matrix[m_CopyPattern].Speed;

  341.      m_Matrix[m_Current].Octave = m_Matrix[m_CopyPattern].Octave;

  342.      for (int y=0; y<MATY; y++) {

  343.          for (int x=0; x<MATX; x++) {

  344.              m_Matrix[m_Current].Matrix[x][y] = m_Matrix[m_CopyPattern].Matrix[x][y];

  345.          }

  346.      }

  347. }

  348. 

  349. void MatrixPlugin::ClearPattern() {

  350.      for (int y=0; y<MATY; y++) {

  351.          for (int x=0; x<MATX; x++) {

  352.              m_Matrix[m_Current].Matrix[x][y] = 0;

  353.          }

  354.      }

  355. }

  356. 

  357. void MatrixPlugin::TransposeUp() {

  358.      int x, y;

  359.      for (y=MATY-1; y>=0; y--) {

  360.          for (x=0; x<MATX; x++) {

  361.              m_Matrix[m_Current].Matrix[x][y] = m_Matrix[m_Current].Matrix[x][y-1];

  362.          }

  363.      }

  364.      for (x=0; x<MATX; x++) {

  365.          m_Matrix[m_Current].Matrix[x][0] = 0;

  366.      }

  367. }

  368. 

  369. void MatrixPlugin::TransposeDown() 

  370. {

  371.     int x, y;

  372.     for (y=0; y<MATY-1; y++) 

  373. 	{

  374.         for (x=0; x<MATX; x++) 

  375. 		{

  376.             m_Matrix[m_Current].Matrix[x][y] = m_Matrix[m_Current].Matrix[x][y+1];

  377.         }

  378.     }

  379.     for (x=0; x<MATX; x++) 

  380. 	{

  381.     	m_Matrix[m_Current].Matrix[x][MATY-1] = 0;

  382.     }

  383. }

  384. 

  385. bool MatrixPlugin::CanTransposeDown() 

  386. {

  387.     for (int x=0; x<MATX; x++) if (m_Matrix[m_Current].Matrix[x][0]) return False;

  388.     return True;

  389. }

  390. 

  391. bool MatrixPlugin::CanTransposeUp() 

  392. {

  393.      for (int x=0; x<MATX; x++) if (m_Matrix[m_Current].Matrix[x][MATY-1]) return False;

  394.      return True;

  395. }

  396. 

  397. void MatrixPlugin::StreamOut(ostream &s)

  398. {

  399. 	s<<m_Version<<" ";

  400. 	s<<m_Current<<" "<<m_Time<<" "<<m_Step<<" "<<m_Loop<<" "<<m_NoteCut<<" "<<endl;

  401. 	

  402. 	for (int n=0; n<NUM_PATTERNS; n++)	

  403. 	{

  404. 		s<<m_Matrix[n].Length<<" "<<m_Matrix[n].Speed<<" "<<m_Matrix[n].Octave<<endl;

  405. 		

  406. 		for (int y=0; y<MATY; y++)

  407. 		{

  408. 			for (int x=0; x<MATX; x++)

  409. 			{

  410. 				if (m_Matrix[n].Matrix[x][y]) s<<x<<" "<<y<<"  "<<m_Matrix[n].Volume[x][y]<<" ";

  411. 			}

  412. 		}

  413. 		s<<"-1 ";

  414. 	}

  415. }

  416. 

  417. void MatrixPlugin::StreamIn(istream &s)

  418. {

  419. 	int version;

  420. 	s>>version;

  421. 	

  422. 	switch (version)

  423. 	{

  424. 		case 1:

  425. 		{

  426. 			s>>m_Current>>m_Time>>m_Step>>m_Loop>>m_NoteCut;

  427. 	

  428. 			for (int n=0; n<NUM_PATTERNS; n++)	

  429. 			{	

  430. 				s>>m_Matrix[n].Length>>m_Matrix[n].Speed>>m_Matrix[n].Octave;

  431. 		

  432. 				for (int y=0; y<MATY; y++)

  433. 				for (int x=0; x<MATX; x++)

  434. 				{

  435. 					s>>m_Matrix[n].Matrix[x][y];

  436. 				}

  437. 			}

  438. 		} break;

  439. 	

  440. 		case 2:

  441. 		{

  442. 			s>>m_Current>>m_Time>>m_Step>>m_Loop>>m_NoteCut;

  443. 	

  444. 			for (int n=0; n<NUM_PATTERNS; n++)	

  445. 			{	

  446. 				s>>m_Matrix[n].Length>>m_Matrix[n].Speed>>m_Matrix[n].Octave;

  447. 		

  448. 				int x=0,y=0;

  449. 				while(x!=-1)

  450. 				{

  451. 					s>>x;

  452. 					if (x!=-1)

  453. 					{						

  454. 						s>>y;

  455. 						if (y!=-1) m_Matrix[n].Matrix[x][y]=true;

  456. 					}

  457. 				}

  458. 			}

  459. 		} break;

  460. 		

  461. 		case 3:

  462. 		{

  463. 			s>>m_Current>>m_Time>>m_Step>>m_Loop>>m_NoteCut;

  464. 	

  465. 			for (int n=0; n<NUM_PATTERNS; n++)	

  466. 			{	

  467. 				s>>m_Matrix[n].Length>>m_Matrix[n].Speed>>m_Matrix[n].Octave;

  468. 		

  469. 				int x=0,y=0;

  470. 				float v;

  471. 				while(x!=-1)

  472. 				{

  473. 					s>>x;

  474. 					if (x!=-1)

  475. 					{						

  476. 						s>>y>>v;

  477. 						if (y!=-1) 

  478. 						{

  479. 							m_Matrix[n].Matrix[x][y]=true;

  480. 							m_Matrix[n].Volume[x][y]=v;

  481. 						}

  482. 					}

  483. 				}

  484. 			}

  485. 		} break;

  486. 	}

  487. }