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direct/src/interval/IntervalManager.py

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+from PandaModules import *
+from DirectNotifyGlobal import *
+import Interval
+import types
+
+class IntervalManager(CIntervalManager):
+
+    # This is a Python-C++ hybrid class.  IntervalManager is a Python
+    # extension of the C++ class CIntervalManager; the main purpose of
+    # the Python extensions is to add support for Python-based
+    # intervals (like MetaIntervals).
+
+    def __init__(self, globalPtr = 0):
+        # Pass globalPtr == 1 to the constructor to trick it into
+        # "constructing" a Python wrapper around the global
+        # CIntervalManager object.
+
+        if globalPtr:
+            CIntervalManager.__init__(self, None)
+            cObj = CIntervalManager.getGlobalPtr()
+            self.this = cObj.this
+            self.userManagesMemory = 0
+
+        else:
+            CIntervalManager.__init__(self)
+
+        self.ivals = []
+
+    def addInterval(self, interval):
+        index = self.addCInterval(interval, 1)
+        self.__storeInterval(interval, index)
+
+    def removeInterval(self, interval):
+        index = self.findCInterval(interval.getName())
+        if index >= 0:
+            self.removeCInterval(index)
+            return 1
+        return 0
+
+    def getInterval(self, name):
+        index = self.findCInterval(name)
+        if index >= 0:
+            return self.ivals[index]
+        return None
+
+    def step(self):
+        # Call C++ step, then do all the required Python post-processing.
+        CIntervalManager.step(self)
+
+        index = self.getNextEvent()
+        while index >= 0:
+            self.ivals[index].privPostEvent()
+            index = self.getNextEvent()
+
+        index = self.getNextRemoval()
+        while index >= 0:
+            self.ivals[index] = None
+            index = self.getNextRemoval()
+        
+    def __storeInterval(self, interval, index):
+        while index >= len(self.ivals):
+            self.ivals.append(None)
+        self.ivals[index] = interval
+
+    def __repr__(self):
+        return self.__str__()
+
+# The global IntervalManager object.
+ivalMgr = IntervalManager(1)