my maze

mcpipy/maze.py

@@ -0,0 +1,107 @@
+from mine import *
+from sys import argv
+from random import randint
+
+DIRS = ((1,0),(0,1),(-1,0),(0,-1))
+
+def generateMaze(xSize, ySize, start=(0,0), dirs=DIRS, inside=None):
+    if inside == None:
+        inside = lambda xy : 0 <= xy[0] < xSize and 0 <= xy[1] < ySize
+
+    def move(pos, dir):
+        return (pos[0]+dirs[dir][0],pos[1]+dirs[dir][1])
+
+    nDirs = len(dirs)
+
+    def findDir(v):
+        for i in range(nDirs):
+            if dirs[i] == v:
+                return i
+        raise Exception("Mismatched direction")
+
+    revDir = tuple( findDir((-dirs[i][0],-dirs[i][1])) for i in range(nDirs) )          
+
+    visited = tuple([False for j in range(ySize)] for i in range(xSize))
+    walls = tuple(tuple( [True for j in range(nDirs)] for j in range(ySize) ) for i in range(xSize))
+    pos = start
+
+    def getVisited(pos):
+        return not inside(pos) or visited[pos[0]][pos[1]]
+
+    stack = []
+
+    while True:
+        visited[pos[0]][pos[1]] = True
+        nUnvisited = 0
+        for dir in range(nDirs):
+            if not getVisited(move(pos,dir)):
+                nUnvisited += 1
+
+        if nUnvisited == 0:
+            if stack:
+                pos = stack.pop()
+                continue
+            else:
+                break
+
+        n = randint(0,nUnvisited-1)
+        dir = 0
+        while True:
+            if not getVisited(move(pos,dir)):
+                if n == 0:
+                    break
+                n -= 1
+            dir += 1
+
+        walls[pos[0]][pos[1]][dir] = False
+        pos = move(pos,dir)
+        walls[pos[0]][pos[1]][revDir[dir]] = False
+
+        stack.append(pos)
+
+    return walls
+
+xSize = 40
+ySize = 40
+b = block.STONE
+
+if len(argv)>1:
+    xSize = int(argv[1])
+    ySize = xSize
+    if len(argv)>2:
+        b = Block.byName(argv[2])
+
+mc = Minecraft()        
+
+walls = generateMaze(xSize,ySize)
+pos = mc.player.getTilePos()
+
+my = pos.y
+
+for x in range(xSize):
+    for y in range(ySize):
+        mx = 2*x + pos.x
+        mz = 2*y + pos.z
+        def set(d1,d2):
+            mc.setBlock(mx+d1,my,mz+d2,b)
+            mc.setBlock(mx+d1,my+1,mz+d2,b)
+
+        for dir in range(len(DIRS)):
+            if walls[x][y][dir]:
+                set(DIRS[dir][0],DIRS[dir][1])
+        set(1,1)
+        set(1,-1)
+        set(-1,1)
+        set(-1,-1)
+
+mc.setBlock(pos.x-1,pos.y,pos.z,block.AIR)
+mc.setBlock(pos.x-1,pos.y+1,pos.z,block.AIR)
+mc.setBlock(pos.x+2*(xSize-1),pos.y-1,pos.z+2*(ySize-1),block.GOLD_BLOCK)
+mc.setBlock(pos.x+2*(xSize-1)+1,pos.y-1,pos.z+2*(ySize-1),block.GOLD_BLOCK)
+
+def makeSign(line1="",line2="",line3="",line4=""):
+    return Block(63, 15, '{Text4:"{\\"text\\":\\"%s\\"}",Text3:"{\\"text\\":\\"%s\\"}",Text2:"{\\"text\\":\\"%s\\"}",id:"minecraft:sign",Text1:"{\\"text\\":\\"%s\\"}"}'
+        % (line4,line3,line2,line1))
+
+mc.setBlockWithNBT(pos.x+2*(xSize-1)+1,pos.y,pos.z+2*(ySize-1),makeSign('EXIT'))
+mc.setBlock(pos.x+2*(xSize-1)+1,pos.y+1,pos.z+2*(ySize-1),block.AIR)

mcpipy/sign.py

@@ -1,3 +1,3 @@
 from mine import *
 mc = Minecraft()
-mc.conn.send("world.setBlocks",0,0,0,5,5,5,63,1,"{id:\"Sign\",Text1:\"My sign\"}")
+mc.conn.send("world.setBlocks",0,0,0,5,5,5,Block(63, 15, '{Text4:"{\\"text\\":\\"\\"}",Text3:"{\\"text\\":\\"\\"}",Text2:"{\\"text\\":\\"\\"}",id:"minecraft:sign",Text1:"{\\"text\\":\\"hello\\"}"}'))