Render snow as half-blocks

chunk.py

@@ -312,12 +312,17 @@ class ChunkRenderer(object):
                             img.paste(t[0], (imgx, imgy), t[1])
 
                         # Draw edge lines
+			if blockid in (44,78,): # step block, snow
+			   half = 6
+			else:
+			   half = 0
+
                         if blockid not in transparent_blocks:
                             draw = ImageDraw.Draw(img)
                             if x != 15 and blocks[x+1,y,z] == 0:
-                                draw.line(((imgx+12,imgy), (imgx+22,imgy+5)), fill=(0,0,0), width=1)
+                                draw.line(((imgx+12,imgy+half), (imgx+22,imgy+5+half)), fill=(0,0,0), width=1)
                             if y != 0 and blocks[x,y-1,z] == 0:
-                                draw.line(((imgx,imgy+6), (imgx+12,imgy)), fill=(0,0,0), width=1)
+                                draw.line(((imgx,imgy+6+half), (imgx+12,imgy+half)), fill=(0,0,0), width=1)
 
 
                     finally:

textures.py

@@ -151,7 +151,7 @@ def _transform_image_side(img, blockID):
     """Takes an image and shears it for the left side of the cube (reflect for
     the right side)"""
 
-    if blockID in (44,): # step block
+    if blockID in (44,78,): # step block, snow
         # make the top half transpartent
         # (don't just crop img, since we want the size of
         # img to be unchanged
@@ -213,7 +213,7 @@ def _build_block(top, side, blockID=None):
         img.paste(side, (2,6), side)
         img.paste(otherside, (10,6), otherside)
         img.paste(top, (0,2), top)
-    elif blockID in (44,): # half step
+    elif blockID in (44,78,): # half step, snow
         # shift each texture down 6 pixels
         img.paste(side, (0,12), side)
         img.paste(otherside, (12,12), otherside)