From 0059b01399a7ac4d9b6ca52ff227d5db6a5ad31f Mon Sep 17 00:00:00 2001
From: David Vierra <codewarrior@hawaii.rr.com>
Date: Sat, 15 Jan 2011 08:47:30 -1000
Subject: [PATCH] added functions to flip levels and schematics north/south and
 east/west

---
 blockrotation.py |  7 +++++--
 mclevel.py       | 53 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 58 insertions(+), 2 deletions(-)

diff --git a/blockrotation.py b/blockrotation.py
index ca3fad3..d266f1d 100644
--- a/blockrotation.py
+++ b/blockrotation.py
@@ -253,11 +253,14 @@ class BlockRotation:
     
        
     
+def FlipNorthSouth(blocks, data):
+    data[:] = BlockRotation.flipNorthSouth[blocks, data]
+    
 def FlipEastWest(blocks, data):
-    pass
+    data[:] = BlockRotation.flipEastWest[blocks, data]
+
     
 def RotateLeft(blocks, data):
-    
     data[:] = BlockRotation.rotateLeft[blocks, data]
 
 
diff --git a/mclevel.py b/mclevel.py
index d7bc243..507b149 100644
--- a/mclevel.py
+++ b/mclevel.py
@@ -676,6 +676,14 @@ class MCLevel(object):
         self.Blocks = self.Blocks[:,:,::-1]; #y=-y
         pass    
     
+    def flipNorthSouth(self):
+        self.Blocks = self.Blocks[::-1,:,:]; #x=-x
+        pass    
+    
+    def flipEastWest(self):
+        self.Blocks = self.Blocks[:,::-1,:]; #z=-z
+        pass    
+    
         
     def copyBlocksFromFiniteToFinite(self, sourceLevel, sourceBox, destinationPoint, blocksToCopy):
         # assume destinationPoint is entirely within this level, and the size of sourceBox fits entirely within it.
@@ -1411,6 +1419,51 @@ class MCSchematic (MCLevel):
         self.Blocks = self.Blocks[:,:,::-1]; #y=-y
         self.Data = self.Data[:,:,::-1]; 
         
+    def flipNorthSouth(self):
+        " xxx flip entities "
+        blockrotation.FlipNorthSouth(self.Blocks, self.Data);
+        self.Blocks = self.Blocks[::-1,:,:]; #x=-x
+        self.Data = self.Data[::-1,:,:]; 
+        
+        northSouthPaintingMap = [0,3,2,1]
+        
+        info( u"N/S Flip: Relocating entities..." )
+        for entity in self.Entities:
+        
+            entity["Pos"][0].value = self.Width - entity["Pos"][0].value
+            entity["Motion"][0].value = -entity["Motion"][0].value
+            
+            entity["Rotation"][0].value -= 180.0
+            
+            if entity["id"].value == "Painting":
+                entity["TileX"].value = self.Width - entity["TileX"].value
+                entity["Dir"].value = northSouthPaintingMap[entity["Dir"].value]
+                
+        for tileEntity in self.TileEntities:
+            tileEntity["x"].value = self.Width - tileEntity["x"].value
+    
+    def flipEastWest(self):
+        " xxx flip entities "
+        blockrotation.FlipEastWest(self.Blocks, self.Data);
+        self.Blocks = self.Blocks[:,::-1,:]; #z=-z
+        self.Data = self.Data[:,::-1,:]; 
+        
+        eastWestPaintingMap = [2,1,0,3]
+        
+        info( u"E/W Flip: Relocating entities..." )
+        for entity in self.Entities:
+        
+            entity["Pos"][2].value = self.Length - entity["Pos"][2].value
+            entity["Motion"][2].value = -entity["Motion"][2].value
+            
+            entity["Rotation"][0].value -= 180.0
+            
+            if entity["id"].value == "Painting":
+                entity["TileZ"].value = self.Length - entity["TileZ"].value
+                entity["Dir"].value = eastWestPaintingMap[entity["Dir"].value]
+                
+        for tileEntity in self.TileEntities:
+            tileEntity["z"].value = self.Length - tileEntity["z"].value
     
                
     @decompress_first