Version 4.1.1

projects/examples/threebees.cpp

@@ -0,0 +1,99 @@
+// threebees.cpp STK tutorial program
+
+#include "BeeThree.h"
+#include "RtWvOut.h"
+#include "Messager.h"
+#include "Voicer.h"
+#include "SKINI.msg"
+
+int main()
+{
+  // Set the global sample rate before creating class instances.
+  Stk::setSampleRate( 44100.0 );
+
+  int i;
+  RtWvOut *output = 0;
+  Messager *messager = 0;
+  Voicer *voicer = 0;
+  bool done = FALSE;
+  Instrmnt *instrument[3];
+  for ( i=0; i<3; i++ ) instrument[i] = 0;
+
+  try {
+    // Define and load the BeeThree instruments
+    for ( i=0; i<3; i++ )
+      instrument[i] = new BeeThree();
+
+    // Define and open the default realtime output device for one-channel playback
+    output = new RtWvOut(1);
+  }
+  catch (StkError &) {
+    goto cleanup;
+  }
+
+  try {
+    // Create a Messager instance to read from a redirected SKINI scorefile.
+    messager = new Messager();
+  }
+  catch (StkError &) {
+    goto cleanup;
+  }
+
+  // Instantiate the voicer for a maximum of three voices.
+  voicer = new Voicer( 3 );
+  for ( i=0; i<3; i++ )
+    voicer->addInstrument( instrument[i] );
+
+  // Play the instrument until the end of the scorefile.
+  int nTicks, type;
+  MY_FLOAT byte2, byte3;
+  while (!done) {
+
+    // Look for new messages and return a delta time (in samples).
+    type = messager->nextMessage();
+    if (type < 0)
+      done = TRUE;
+
+    nTicks = messager->getDelta();
+    try {
+      for ( i=0; i<nTicks; i++ )
+        output->tick( voicer->tick() );
+    }
+    catch (StkError &) {
+      goto cleanup;
+    }
+
+    if ( type > 0 ) {
+      // Process the new control message.
+      byte2 = messager->getByteTwo();
+      byte3 = messager->getByteThree();
+
+      switch(type) {
+
+      case __SK_NoteOn_:
+        voicer->noteOn( byte2, byte3 );
+        break;
+
+      case __SK_NoteOff_:
+        voicer->noteOff( byte2, byte3 );
+        break;
+
+      case __SK_ControlChange_:
+        voicer->controlChange( (int) byte2, byte3 );
+        break;
+
+      case __SK_AfterTouch_:
+        voicer->controlChange( 128, byte2 );
+        break;
+      }
+    }
+  }
+
+ cleanup:
+  for ( i=0; i<3; i++ ) delete instrument[i];
+  delete output;
+  delete messager;
+  delete voicer;
+
+  return 0;
+}