From a0705d8ff9b25c1172e38925ec27bb28f9e5a1e9 Mon Sep 17 00:00:00 2001
From: Aleksey Lim <alsroot@activitycentral.org>
Date: Mon, 28 Feb 2011 16:13:13 +0000
Subject: Revert "fixing simlimking build error"

This reverts commit 0c8e687ce284d7599b9bfb7c578b0fc7fb32c493.

Since common/ directory will be copied to .xo in setup.py anyway.
---
(limited to 'common/Generation/VariationPitch.py')

diff --git a/common/Generation/VariationPitch.py b/common/Generation/VariationPitch.py
new file mode 100644
index 0000000..5a2b151
--- /dev/null
+++ b/common/Generation/VariationPitch.py
@@ -0,0 +1,82 @@
+import random
+
+class PitchReverse:
+    def __init__( self ):
+        self.pitchList = []
+
+    def reorderPitch( self, notesList ):
+        self.extractOneValue(notesList)
+        self.pitchList.reverse()
+        for i in range(len(notesList)):
+            notesList[i].pitch = self.pitchList[i]
+
+        return notesList
+
+    def extractOneValue( self, notesList ):
+        self.pitchList = []
+        for note in notesList:
+            self.pitchList.append(note.pitch)
+
+class PitchSort( PitchReverse ):
+    def __init__( self ):
+        PitchReverse.__init__( self )
+
+    def reorderPitch( self, notesList ):
+        PitchReverse.extractOneValue(self, notesList)
+        self.pitchList.sort()
+        for i in range(len(notesList)):
+            notesList[i].pitch = self.pitchList[i]
+
+        return notesList
+
+class PitchShuffle( PitchReverse ):
+    def __init__( self ):
+        PitchReverse.__init__ ( self )
+
+    def reorderPitch( self, notesList ):
+        PitchReverse.extractOneValue(self, notesList)
+        self.pitchList = random.sample(self.pitchList, len(self.pitchList))
+        for i in range(len(notesList)):
+            notesList[i].pitch = self.pitchList[i]
+
+        return notesList
+
+class PitchMarkov:
+    def __init__( self ):
+        self.originalList = []
+
+    def getNewList( self, notesList, order=1 ):
+        self.playedNotes = []
+        self.extractOneValue( notesList, order )
+        self.playedNotes = self.originalList[:order]
+        
+        for i in range(len(self.originalList) - order):
+            self.playedNotes.append(self.pickupNewValue(order))
+
+        for i in range(len(notesList)):
+            notesList[i].pitch = self.playedNotes[i]
+
+        return notesList
+
+    def extractOneValue( self, notesList, order ):
+        self.originalList = []
+        for note in notesList:
+            self.originalList.append(note.pitch)
+        for i in range(order):
+            self.originalList.append(self.originalList[i])
+
+    def pickupNewValue( self, order ):
+        condition = False
+        self.probTable = []
+        for ilist in range(len(self.originalList) - order):         
+            for iord in range(order):
+                if self.playedNotes[len(self.playedNotes) - (iord + 1)] != self.originalList[(order - 1) + ilist - iord]:
+                    condition = False
+                    break
+                else:
+                    condition = True
+
+            if condition == True:
+                self.probTable.append(self.originalList[ilist + order])
+
+        return self.probTable[random.randint(0, (len(self.probTable) - 1))]
--
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