From 23166ec5ffeb26d0a4467e72a9f4dabea67b0133 Mon Sep 17 00:00:00 2001
From: Oli <olivier.belanger@umontreal.ca>
Date: Fri, 24 Aug 2007 09:01:41 +0000
Subject: META ALGO: tune form structure

---
(limited to 'Edit')

diff --git a/Edit/MainWindow.py b/Edit/MainWindow.py
index 2d0db40..8779f8d 100644
--- a/Edit/MainWindow.py
+++ b/Edit/MainWindow.py
@@ -56,6 +56,9 @@ class MainWindow( SubActivity ):
 
         self.scale = GenerationConstants.DEFAULT_SCALE
 
+        # META ALGO: [section, variation or not, nPages] A B A C
+        self.tuneForm = [[0, False, 4], [1, False, 4], [0, True, 4], [2, False, 2]]
+
         def init_data( ):
             TP.ProfileBegin("init_data")
             self._data = {}
@@ -401,9 +404,9 @@ class MainWindow( SubActivity ):
 
     def createNewTune( self, widget, data=None ):
         if random.choice([0,1]):
-            self.createNewTune1()
+            self.createNewTune3()
         else:
-            self.createNewTune2()
+            self.createNewTune3()
 
     def createNewTune1( self ):
 
@@ -559,6 +562,67 @@ class MainWindow( SubActivity ):
         self.tuneInterface.selectPages( self.noteDB.getTune() )
         self.displayPage( self.noteDB.getTune()[0] )
 
+    def createNewTune3( self ):
+
+        if self.playing == True:
+            self.handleStop()
+
+        self.tuneInterface.selectPages( self.noteDB.getTune() )
+
+        beats = random.randint(3,8)
+        stream = []
+        for page in self.noteDB.getTune():
+            stream += [ page, beats ]
+        if len(stream):
+            self.noteDB.updatePages( [ PARAMETER.PAGE_BEATS, len(stream)//2 ] + stream )
+
+        orch = self.newOrchestra()
+
+        instrumentsIds = []
+        for inst in orch:
+            instrumentsIds.append(inst.instrumentId)
+
+        self.pageDelete( -1, instruments = instrumentsIds )
+
+        initTempo = random.randint(60, 132)
+        self._data['tempo'] = initTempo
+
+        formsUsed = []
+        for section in self.tuneForm:
+            if section[0] not in formsUsed:
+                param = self.chooseGenParams()
+                self.tuneInterface.selectPages( self.noteDB.getTune() )
+                if not formsUsed:
+                    for i in range(section[2]-1):
+                        self.pageAdd(instruments = instrumentsIds)
+                else:
+                    for i in range(section[2]):
+                        self.pageAdd(instruments = instrumentsIds)
+                formsUsed.append(section[0])
+
+                self.tuneInterface.selectPages( self.noteDB.getTune()[-section[2]:] )
+                self.generateMode = 'page'
+                self.generate( GenerationParameters( density = param[0], rythmRegularity = param[1], step = param[2], pitchRegularity = param[3], articule = param[4], silence = param[5], pattern = param[6], scale = param[7]), section[2] )
+            else:
+                pageOffset = 0
+                pageIds = []
+                firstPos = [i[0] for i in self.tuneForm].index(section[0])
+                if firstPos == 0:
+                    pageOffset = 0
+                else:
+                    for i in range(firstPos):
+                        pageOffset += self.tuneForm[i][2]
+                for i in range(section[2]):
+                    pageIds.append(self.noteDB.getTune()[pageOffset + i])
+                after = self.noteDB.getTune()[-1]
+                self.displayPage( self.noteDB.getTune()[pageOffset] )
+                self.tuneInterface.selectPages(self.noteDB.getTune())
+                self.pageDuplicate(-1, pageIds)
+
+        self.tuneInterface.selectPages( self.noteDB.getTune() )
+        self.displayPage( self.noteDB.getTune()[0] )
+
+
     def newOrchestra(self):
         stringsPickup = []
         windsPickup = []
@@ -1047,7 +1111,7 @@ class MainWindow( SubActivity ):
     # generation functions
     #-----------------------------------
 
-    def recompose( self, algo, params):
+    def recompose( self, algo, params, nPagesCycle = 4):
         if self.generateMode == "track":
             if self.trackSelected == [ 0 for i in range(Config.NUMBER_OF_TRACKS) ]:
                 newtracks = set(range(Config.NUMBER_OF_TRACKS))
@@ -1079,7 +1143,7 @@ class MainWindow( SubActivity ):
                 beatsOfPages,
                 newtracks,
                 newpages,
-                dict)
+                dict, nPagesCycle)
 
         # filter & fix input ...WTF!?
         for track in dict:
@@ -1107,8 +1171,8 @@ class MainWindow( SubActivity ):
         stream += [-1]
         self.noteDB.addNotes( stream )
 
-    def generate( self, params ):
-        self.recompose( generator1, params)
+    def generate( self, params, nPagesCycle = 4 ):
+        self.recompose( generator1, params, nPagesCycle)
 
     #=======================================================
     # Clipboard Functions
--
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