Add beds and some changes in _build_full_block to simplify the building of fractions of a block.

textures.py

@@ -273,9 +273,37 @@ def _build_full_block(top, side1, side2, side3, side4, bottom=None, blockID=None
     side3 is in the -x                      (bottom left, north)
     side4 is in the +y                      (bottom right, west)
     
-    A non transparent block uses top, side 3 and side 4
+    A non transparent block uses top, side 3 and side 4.
+    
+    If top is a tuple then first member is the top image and the second
+    member is an increment (integer) from 0 to 12. This increment will
+    used to crop the side images to look like a block and to paste all
+    the images increment pixels lower. Using increment = 6 will create
+    a half-block.
+    
+    NOTE: this method uses the top of the texture image (as done in 
+    minecraft with beds)
     
     """
+    
+    increment = 0
+    if isinstance(top, tuple):
+        increment = top[1]
+        crop_height = int(increment * 16./12.)
+        top = top[0]
+        if side1 != None:
+            side1 = side1.copy()
+            ImageDraw.Draw(side1).rectangle((0, 16 - crop_height,16,16),outline=(0,0,0,0),fill=(0,0,0,0))
+        if side2 != None:
+            side2 = side2.copy()
+            ImageDraw.Draw(side2).rectangle((0, 16 - crop_height,16,16),outline=(0,0,0,0),fill=(0,0,0,0))
+        if side3 != None:
+            side3 = side3.copy()
+            ImageDraw.Draw(side3).rectangle((0, 16 - crop_height,16,16),outline=(0,0,0,0),fill=(0,0,0,0))
+        if side4 != None:
+            side4 = side4.copy()
+            ImageDraw.Draw(side4).rectangle((0, 16 - crop_height,16,16),outline=(0,0,0,0),fill=(0,0,0,0))
+
     img = Image.new("RGBA", (24,24), (38,92,255,0))
     
     # first back sides
@@ -288,7 +316,7 @@ def _build_full_block(top, side1, side2, side3, side4, bottom=None, blockID=None
         side1 = ImageEnhance.Brightness(side1).enhance(0.9)
         side1.putalpha(sidealpha)        
         
-        composite.alpha_over(img, side1, (0,0), side1)
+        composite.alpha_over(img, side1, (0,0 + increment), side1)
 
         
     if side2 != None :
@@ -299,7 +327,7 @@ def _build_full_block(top, side1, side2, side3, side4, bottom=None, blockID=None
         side2 = ImageEnhance.Brightness(side2).enhance(0.8)
         side2.putalpha(sidealpha2)
 
-        composite.alpha_over(img, side2, (12,0), side2)
+        composite.alpha_over(img, side2, (12,0 + increment), side2)
 
     if bottom != None :
         bottom = transform_image(bottom, blockID)
@@ -314,7 +342,7 @@ def _build_full_block(top, side1, side2, side3, side4, bottom=None, blockID=None
         side3 = ImageEnhance.Brightness(side3).enhance(0.9)
         side3.putalpha(sidealpha)
         
-        composite.alpha_over(img, side3, (0,6), side3)
+        composite.alpha_over(img, side3, (0,6 + increment), side3)
         
     if side4 != None :
         side4 = transform_image_side(side4, blockID)
@@ -325,11 +353,11 @@ def _build_full_block(top, side1, side2, side3, side4, bottom=None, blockID=None
         side4 = ImageEnhance.Brightness(side4).enhance(0.8)
         side4.putalpha(sidealpha)
         
-        composite.alpha_over(img, side4, (12,6), side4)
+        composite.alpha_over(img, side4, (12,6 + increment), side4)
 
     if top != None :
         top = transform_image(top, blockID)
-        composite.alpha_over(img, top, (0,0), top)
+        composite.alpha_over(img, top, (0, increment), top)
 
     return img
 
@@ -516,6 +544,52 @@ def generate_special_texture(blockID, data):
         return (img.convert("RGB"), img.split()[3])
 
 
+    if blockID == 26: # bed
+        increment = 5
+        left_face = None
+        right_face = None
+        if data & 0x8 == 0x8: # head of the bed
+            top = terrain_images[135]
+            if data & 0x00 == 0x00: # head pointing to West
+                top = top.copy().rotate(270)
+                left_face = terrain_images[151]
+                right_face = terrain_images[152]
+            if data & 0x01 == 0x01: # ... North
+                top = top.rotate(270)
+                left_face = terrain_images[152]
+                right_face = terrain_images[151]
+            if data & 0x02 == 0x02: # East
+                top = top.rotate(180)
+                left_face = terrain_images[151].transpose(Image.FLIP_LEFT_RIGHT)
+                right_face = None
+            if data & 0x03 == 0x03: # South
+                right_face = None
+                right_face = terrain_images[151].transpose(Image.FLIP_LEFT_RIGHT)
+
+        else: # foot of the bed
+            top = terrain_images[134]
+            if data & 0x00 == 0x00: # head pointing to West
+                top = top.rotate(270)
+                left_face = terrain_images[150]
+                right_face = None
+            if data & 0x01 == 0x01: # ... North
+                top = top.rotate(270)
+                left_face = None
+                right_face = terrain_images[150]
+            if data & 0x02 == 0x02: # East
+                top = top.rotate(180)
+                left_face = terrain_images[150].transpose(Image.FLIP_LEFT_RIGHT)
+                right_face = terrain_images[149].transpose(Image.FLIP_LEFT_RIGHT)
+            if data & 0x03 == 0x03: # South
+                left_face = terrain_images[149]
+                right_face = terrain_images[150].transpose(Image.FLIP_LEFT_RIGHT)
+
+        top = (top, increment)
+        img = _build_full_block(top, None, None, left_face, right_face)
+
+        return (img.convert("RGB"), img.split()[3])
+
+
     if blockID == 35: # wool
         if data == 0: # white
             top = side = terrain_images[64]
@@ -1306,9 +1380,9 @@ def getBiomeData(worlddir, chunkX, chunkY):
 # (when adding new blocks here and in generate_special_textures,
 # please, if possible, keep the ascending order of blockid value)
 
-special_blocks = set([ 2,  6,  9, 17, 18, 23, 27, 28, 35, 43, 44, 50, 51,
+special_blocks = set([ 2,  6,  9, 17, 18, 26, 23, 27, 28, 35, 43, 44, 50,
-                      53, 54, 55, 58, 59, 61, 62, 64, 65, 66, 67, 71, 75,
+                      51, 53, 54, 55, 58, 59, 61, 62, 64, 65, 66, 67, 71,
-                      76, 85, 86, 90, 91, 92])
+                      75, 76, 85, 86, 90, 91, 92])
 
 # this is a map of special blockIDs to a list of all 
 # possible values for ancillary data that it might have.
@@ -1318,6 +1392,7 @@ special_map = {}
 special_map[6] = range(16)  # saplings: usual, spruce, birch and future ones (rendered as usual saplings)
 special_map[9] = range(32)  # water: spring,flowing, waterfall, and others (unknown) ancildata values, uses pseudo data
 special_map[17] = range(4)  # wood: normal, birch and pine
+special_map[26] = range(12) # bed, orientation
 special_map[23] = range(6)  # dispensers, orientation
 special_map[27] = range(14) # powered rail, orientation/slope and powered/unpowered
 special_map[28] = range(6) # detector rail, orientation/slope