more scripts

raspberryjammod/mcpipy/egg.py

@@ -0,0 +1,42 @@
+from mc import *
+import sys
+from ast import literal_eval
+
+def parseBlock(s):
+    try:
+        return literal_eval(s)
+    except:
+        return globals()[s.upper()]
+
+def egg(block=GOLD_BLOCK, h=40, a=2.5, b=1, c=0.1):
+    for y in range(0,h+1):
+        l = y / float(h)
+        # Formula from: http://www.jolyon.co.uk/myresearch/image-analysis/egg-shape-modelling/
+        r = h*a*exp((-0.5*l*l+c*l-.5*c*c)/(b*b))*sqrt(1-l)*sqrt(l)/(pi*b)
+        r2 = r*r
+        for x in range(-h,h+1):
+            for z in range(-h,h+1):
+                myr2 = x*x + z*z
+                if myr2 <= r2:
+                    if x==0 and z==0:
+                        theta = 0
+                    else:
+                        theta = atan2(z,x)
+                    yield (x,y,z,block,theta)
+
+mc = Minecraft()
+
+if len(sys.argv) >= 2:
+    height = int(sys.argv[1])
+else:
+    height = 50
+
+if len(sys.argv) >= 3:
+    material = parseBlock(sys.argv[2])
+else:
+    material = GOLD_BLOCK
+
+pos = mc.player.getPos()
+
+for (x,y,z,block,theta) in egg(h=height,block=material):
+    mc.setBlock(x+pos.x,y+pos.y,z+pos.z,block)

raspberryjammod/mcpipy/grenade.py

@@ -1,4 +1,4 @@
-#
+#
 # Code under the MIT license by Alexander Pruss
 #
 
@@ -105,4 +105,4 @@ def getXYZ(path, t1):
     if t > path[-1][0]:
         break
 
-mc.setBlock(path[-1][1],FIRE)
+mc.setBlock(path[-1][1],REDSTONE_BLOCK)

raspberryjammod/mcpipy/pysanka.py

@@ -0,0 +1,158 @@
+from mc import *
+import sys
+import os
+from ast import literal_eval
+from PIL import Image
+
+def parseBlock(s):
+    try:
+        return literal_eval(s)
+    except:
+        return globals()[s.upper()]
+
+def egg(block=GOLD_BLOCK, h=40, a=2.5, b=1, c=0.1):
+    def radius(y):
+        if y < 0 or y >= h:
+            return 0
+        l = y / float(h-1)
+        # Formula from: http://www.jolyon.co.uk/myresearch/image-analysis/egg-shape-modelling/
+        return h*a*exp((-0.5*l*l+c*l-.5*c*c)/(b*b))*sqrt(1-l)*sqrt(l)/(pi*b)
+
+    for y in range(0,h):
+        r = radius(y)
+        minimumr = min(r-2,radius(y-1),radius(y+1))
+        for x in range(-h,h+1):
+            for z in range(-h,h+1):
+                myr = sqrt(x*x + z*z)
+                if myr <= r and minimumr <= myr:
+                    if x==0 and z==0:
+                        theta = 0
+                    else:
+                        theta = atan2(z,x)+pi/2
+                    yield (x,y,z,block,theta % (2*pi))
+
+COLORS = ( (35,0, 222,222,222),
+		(35,1, 219,125,63),
+		(35,2, 180,81,189),
+		(35,3, 107,138,201),
+		(35,4, 177,166,39),
+		(35,5, 66,174,57),
+		(35,6, 208,132,153),
+		(35,7, 64,64,64),
+		(35,8, 155,161,161),
+		(35,9, 47,111,137),
+		(35,10, 127,62,182),
+		(35,11, 46,57,142),
+		(35,12, 79,50,31),
+		(35,13, 53,71,27),
+		(35,14, 151,52,49),
+		(35,15, 26,22,22),
+		(159,0,210,178,161),
+		(159,1,162,84,38),
+		(159,2,150,88,109),
+		(159,3,113,109,138),
+		(159,4,186,133,35),
+		(159,5,104,118,53),
+		(159,6,162,78,79),
+		(159,7,58,42,36),
+		(159,8,135,107,98),
+		(159,9,87,91,91),
+		(159,10,118,70,86),
+		(159,11,74,60,91),
+		(159,12,77,51,36),
+		(159,13,76,83,42),
+		(159,14,143,61,47),
+		(159,15,37,23,16),
+		(155,0,232,228,220),
+		(152,0,164,26,9),
+		(41,0,250,239,80),
+		(173,0,19,19,19) )
+
+def colorDist(a,b):
+    return (a[0]-b[0])*(a[0]-b[0])+(a[1]-b[1])*(a[1]-b[1])+(a[2]-b[2])*(a[2]-b[2])
+
+def getBestColor(rgb):
+    bestColor = COLORS[0]
+    bestDist = 255*255*3
+    for c in COLORS:
+        d = colorDist(c[2:],rgb)
+        if d < bestDist:
+            bestDist = d
+            bestColor = c
+    return bestColor
+
+def getPixel(image, x, y):
+    rgb = image.getpixel(( image.size[0]-1-floor( x * image.size[0] ), image.size[1]-1-floor( y * image.size[1] ) ))
+    return getBestColor(rgb)[0:2]
+
+mc = Minecraft()
+
+if len(sys.argv) > 1:
+    filename = sys.argv[1]
+    if not os.path.isfile(filename):
+        filename = os.path.dirname(os.path.realpath(sys.argv[0])) + "/" + filename    
+else:
+    filename = os.path.dirname(os.path.realpath(sys.argv[0])) + "/" + "pysanka.jpg"
+
+if len(sys.argv) > 2:
+    height = int(sys.argv[2])
+else:
+    height = 100
+
+oval = False
+
+if len(sys.argv) > 3:
+    if sys.argv[3] == "oval":
+        oval = True
+    else:
+        repeat = int(sys.argv[3])
+else:
+    repeat = 2
+
+pos = mc.player.getPos()
+
+if oval:
+    image = Image.open(filename).convert('RGBA')
+
+    first = None
+    last = None
+
+    start = [None] * image.size[1]
+    stop = [None] * image.size[1]
+
+    for y in range(image.size[1]):
+        for x in range(image.size[0]):
+            _,_,_,alpha = image.getpixel((x,y))
+            if alpha == 255:
+                start[y] = x
+                break
+        for x in range(image.size[0]-1,-1,-1):
+            _,_,_,alpha = image.getpixel((x,y))
+            if alpha == 255:
+                stop[y] = x
+                break
+        if start[y] is not None:
+            if first is None:
+                first = y    
+            last = y
+
+    assert first is not None
+
+    for (x,y,z,block,theta) in egg(h=height,block=None):
+        imageY = first + int(float(height-1-y)/height*(last-first+1))
+        if imageY < first:
+            imageY = first
+        if imageY > last:
+            imageY = last
+        imageX = start[imageY]+ int((0.5 - 0.5 * sin(theta)) * (stop[imageY]-start[imageY]))
+        if imageX < start[imageY]:
+            imageX = start[imageY]
+        if imageX > stop[imageY]:
+            imageX = stop[imageY]
+        mc.setBlock(x+pos.x,y+pos.y,z+pos.z, getBestColor(image.getpixel((imageX,imageY))[0:3])[0:2])
+else:
+    image = Image.open(filename).convert('RGB')
+
+    for (x,y,z,block,theta) in egg(h=height,block=None):
+        mc.setBlock(x+pos.x,y+pos.y,z+pos.z,getPixel(image, (theta * repeat / (2*pi)) % 1, y / float(height)))
+

raspberryjammod/mcpipy/render.py

@@ -496,7 +496,7 @@ def message(m):
                  found = re.match('([^\\s]+) (.*)$', line)
                  if found:
                      def getString():
-                         if found.group(2).startswith('"') or found.group(2).startswith("'"):
+                         if found.group(2).startswith('"') or found.group(2).startswith("'") or found.group(2).startswith('u"') or found.group(2).startswith("u'"):
                              return safeEval(found.group(2))
                          else:
                              return found.group(2)