- initial import

git-svn-id: http://moon:8086/svn/software/trunk/projects/JaySynth@37 b431acfa-c32f-4a4a-93f1-934dc6c82436

Source/JaySynthMonophonicMGR.cpp

@@ -0,0 +1,136 @@
+/*
+  ==============================================================================
+
+    This file was generated by user!
+
+  ==============================================================================
+*/
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <math.h>
+
+#include "synth_defs.h"
+#include "JaySynthMonophonicMGR.h"
+
+/** A JaySynth voice that just plays incredible sounds.. */
+JaySynthMonophonicMGR::JaySynthMonophonicMGR()
+{
+	init();
+}
+
+JaySynthMonophonicMGR::~JaySynthMonophonicMGR()
+{
+}
+
+void JaySynthMonophonicMGR::init(void)
+{
+	int i;
+
+	memset (keys, 0, sizeof(keys));
+	for (i=0; i < 128; i++)
+		keys[i].note = i;
+
+	pLatest = NULL;
+}
+
+void JaySynthMonophonicMGR::add(int note, float vel)
+{
+	if ((note < 0) || (note > 127))
+		return;
+
+	// Delete if velocity == 0
+	if (vel == 0)
+	{
+		del(note);
+		return;
+	}
+
+	// Delete first if note already exists
+	if (keys[note].vel > 0)
+		del(note);
+
+	// Add key
+	keys[note].vel = vel;
+
+	keys[note].pPrev = NULL;
+	keys[note].pNext = pLatest;
+
+	if (pLatest)
+		pLatest->pPrev = &keys[note];
+
+	pLatest = &keys[note];
+
+}
+
+void JaySynthMonophonicMGR::del(int note)
+{
+	if ((note < 0) || (note > 127))
+		return;
+
+	if (keys[note].pPrev)
+		keys[note].pPrev->pNext = keys[note].pNext;
+
+	if (keys[note].pNext)
+		keys[note].pNext->pPrev = keys[note].pPrev;
+
+	// Do I delete the newest note
+	if (!keys[note].pPrev)
+		pLatest = keys[note].pNext;
+
+	keys[note].vel = 0;
+	keys[note].pPrev = NULL;
+	keys[note].pNext = NULL;
+
+}
+
+int JaySynthMonophonicMGR::getNumNotes(void)
+{
+	key_linkedlist_t *pKey = pLatest;
+	int num_notes = 0;
+
+	while(pKey)
+	{
+		num_notes++;
+		pKey = pKey->pNext;
+	}
+
+	return num_notes;
+
+}
+
+int JaySynthMonophonicMGR::getLatestNote(void)
+{
+	if (!pLatest)
+		return -1;
+
+	return pLatest->note;
+}
+
+int JaySynthMonophonicMGR::getHighestNote(void)
+{
+	key_linkedlist_t *pKey = pLatest;
+	int note = -1;
+
+	while(pKey)
+	{
+		if (note < pKey->note)
+			note = pKey->note;
+
+		pKey = pKey->pNext;
+	}
+
+	if (note < 0)
+		return -1;
+
+	return keys[note].note;
+}
+
+float JaySynthMonophonicMGR::getVel(int note)
+{
+	if ((note < 0) || (note > 127))
+		return 0;
+
+	return keys[note].vel;
+}