Hall state & minor changes.

1 files changed, 62 insertions, 0 deletions

diff --git a/src/api/Anim.py b/src/api/Anim.py
new file mode 100644
index 0000000..db3bea8
--- /dev/null
+++ b/src/api/Anim.py
@@ -0,0 +1,62 @@
+class CAnim(object):
+
+    mNumFrames = 0
+    mDelay = 0
+    mCurrentFrame = 0
+    mTimeFrame = 0
+    mIsLoop = False
+    
+    # Flag to indicate it the animation has ended.
+    mEnded = False
+
+    # Indicates if frame has changed since the previous update().
+    mFrameHasChanged = False
+
+    # Used to calculate if the previous frame is the same as the current frame.
+    mPreviousFrame = 0
+
+    def __init__(self, aNumFrames, aDelay, aIsLoop = False):
+        self.init(aNumFrames, aDelay, aIsLoop);
+       
+    def init(self, aNumFrames, aDelay, aIsLoop = False):
+        self.mNumFrames = aNumFrames
+        self.mDelay = aDelay
+        self.mCurrentFrame = 0
+        self.mTimeFrame = 0
+        self.mIsLoop = aIsLoop
+        self.mEnded = False
+        self.mFrameHasChanged = False
+        self.mPreviousFrame = 0
+    
+    def reset(self):
+        self.mCurrentFrame = 0
+        self.mTimeFrame = 0
+        self.mFrameHasChanged = False
+        self.mPreviousFrame = 0
+        
+    def update(self):
+        self.mTimeFrame += 1
+        if (self.mTimeFrame >= self.mDelay):
+            self.mTimeFrame = 0
+            self.mCurrentFrame += 1
+            if (self.mCurrentFrame >= self.mNumFrames):
+                if (self.mIsLoop):
+                    self.mCurrentFrame = 0
+                else:
+                    self.mCurrentFrame = self.mNumFrames - 1
+                    self.mEnded = True
+                    
+        if (self.mPreviousFrame <> self.mCurrentFrame):
+            self.mFrameHasChanged = True
+        else:
+            self.mFrameHasChanged = False            
+        self.mPreviousFrame = self.mCurrentFrame
+        
+    def getCurrentFrame(self):
+        return self.mCurrentFrame
+        
+    def isEnded(self):
+        return self.mEnded
+    
+    def frameHasChanged(self):
+        return self.mFrameHasChanged
\ No newline at end of file