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chessPiece.py
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chessPiece.py
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from turtle import *
import table
class chessPiece:
xToKey = {1 :'A', 2 : 'B', 3 : 'C', 4 : 'D',
5 : 'E', 6 : 'F', 7 : 'G', 8 : 'H'}
xFrmKey = {'A' : 1, 'B' : 2, 'C' : 3, 'D' : 4,
'E' : 5, 'F' : 6, 'G' : 7, 'H' : 8}
imageNames = {'NW' : "./Sprites/knightWA.gif", 'NX' : "./Sprites/knightBA.gif",
'BW' : "./Sprites/bishopWA.gif", 'BX' : "./Sprites/bishopBA.gif",
'QW' : "./Sprites/queenWA.gif", 'QX' : "./Sprites/queenBA.gif",
'KW' : "./Sprites/kingWA.gif", 'KX' : "./Sprites/kingBA.gif",
'PW' : "./Sprites/pawnWA.gif", 'PX' : "./Sprites/pawnBA.gif",
'RW' : "./Sprites/rookWA.gif", 'RX' : "./Sprites/rookBA.gif"}
# typeChar -> type of chess piece
# holder -> team (ownership)
# stampId -> for removal of chess pieces
# space -> position on the board, e.g. A1
def __init__(self, typeChar, holder, space):
if(space != "Z1"):
self.firstTurn = True
self.typeChar = typeChar
self.holder = holder
self.space = space
self.imgAddr = self.imageNames[self.typeChar + self.holder]
self.stampId = ""
self.setPlayType()
self.playType
self.populateTable(self.space)
def deletePiece(self):
clearstamp(self.stampId)
self.stampId = ""
def stampPiece(self, x, y):
shape(self.imgAddr)
goto(x, y+30)
self.stampId = stamp()
def populateTable(self, newSpace):
xCo, yCo = self.sectorToCo(newSpace)
self.stampPiece(xCo, yCo)
self.space = newSpace
def movPiece(self, newSpace, tableMap):
available = self.availableMoves(tableMap)
xCo, yCo = self.sectorToCo(newSpace)
if(available != None):
if(newSpace in available):
# Checking if space is populated
if newSpace in tableMap.keys():
tableMap[newSpace].deletePiece()
self.deletePiece()
self.stampPiece(xCo, yCo)
self.space = newSpace
self.firstTurn = False
return True
else:
return False
def freeSpace(self, sector, tableMap):
chessPiece = tableMap.get(sector)
if(chessPiece == None):
return True
else:
if(self.typeChar == "P"):
return False
if(chessPiece.holder != self.holder):
return True
else:
return False
# {x=0} -> don't update x
def editSpace(self, x, y):
sectorSplit = list(self.space)
numericChar = sectorSplit[1]
if(0 < x < 9):
alphaChar = self.xToKey[x]
else:
alphaChar = sectorSplit[0]
return (alphaChar + str(y))
def sectorToInt(self,sector):
sectorSplit = list(sector)
xInt = self.xFrmKey[sectorSplit[0]]
yInt = int(sector[1])
return xInt, yInt
# finding x and y coordinates for stamp from sector on board
def sectorToCo(self, sector):
sectorSplit = list(sector)
xCo = ((self.xFrmKey[sectorSplit[0]] -5)*74)+37
yCo = ((int(sectorSplit[1]) -5)*74)+37
return (xCo, yCo)
def coToSector(self, xB, yB):
xPos = (xB//74)+5
yPos = (yB//74)+5
if ((0 < xPos < 9) and (0 < yPos < 9)):
return (self.xToKey[xPos] + str(int(yPos)))
else:
return None
def pawnOt(self,tableMap):
availableMove = list()
curSector = list(self.space)
if(self.typeChar == "P"):
if(self.holder == "W"):
yMulti = 1
else:
yMulti = -1
if(int(self.xFrmKey[curSector[0]]) > 1):
tLSector = self.xToKey[self.xFrmKey[curSector[0]]-1]+ str(yMulti+int(curSector[1]))
if(tLSector in tableMap.keys()):
chessPiece = tableMap.get(tLSector)
if(self.holder != chessPiece.holder):
availableMove.append(tLSector)
if(int(self.xFrmKey[curSector[0]]) < 8):
tRSector = self.xToKey[self.xFrmKey[curSector[0]]+1]+ str(yMulti+int(curSector[1]))
if(tRSector in tableMap.keys()):
chessPiece = tableMap.get(tRSector)
if(self.holder != chessPiece.holder):
availableMove.append(tRSector)
return availableMove
#Collision Upwards - > U
#Collision Downwards -> D
#Collision Leftwards -> L
#Collision Rightwards -> R
#Collision Diagonal -> UL
#Collision Diagonal -> UR
#Collision Diagonal -> DL
#Collision Diagonal -> DR
#Reports Collision at Sector position, not before
def collisionDetection(self, colType, tableMap):
xInt, yInt = self.sectorToInt(self.space)
if (colType == "U"):
for y in range(yInt+1,9):
checkSector = self.editSpace(xInt,y)
if(checkSector in tableMap):
return y+1
return 9
if (colType == "D"):
for y in range(yInt-1,0,-1):
checkSector = self.editSpace(xInt,y)
if(checkSector in tableMap):
return y-1
return 0
if (colType == "L"):
for x in range(xInt-1,0,-1):
checkSector = self.editSpace(x,yInt)
if(checkSector in tableMap):
return x-1
return 0
if (colType == "R"):
for x in range(xInt+1,9):
checkSector = self.editSpace(x,yInt)
if(checkSector in tableMap):
return x+1
return 9
if (colType == "UL"):
x=xInt-1
for y in range(yInt+1,9):
checkSector = self.editSpace(x,y)
if(checkSector in tableMap):
return x,y
else:
if((x>1)and(y<8)):
x-=1
else:
return x,y
return 1,8
if (colType == "UR"):
x=xInt+1
for y in range(yInt+1,9):
checkSector = self.editSpace(x,y)
if(checkSector in tableMap):
return x,y
else:
if((x<8)and(y<8)):
x+=1
else:
return x,y
return 8,8
if (colType == "DL"):
x=xInt-1
for y in range(yInt-1,0,-1):
checkSector = self.editSpace(x,y)
if(checkSector in tableMap):
return x,y
else:
if((x>1)and(y>1)):
x-=1
else:
return x,y
return 1,1
if (colType == "DR"):
x=xInt+1
for y in range(yInt-1,0,-1):
checkSector = self.editSpace(x,y)
if(checkSector in tableMap):
return x,y
else:
if((x<8)and(y>1)):
x+=1
else:
return x,y
return 8,1
return
#D -> Diagonal
#H -> Horizontal or Vertical
#R -> Restricted
def setPlayType(self):
if (self.typeChar=="P"):
self.playType="R"
if (self.typeChar=="R"):
self.playType="H"
if (self.typeChar=="N"):
self.playType="R"
if (self.typeChar=="B"):
self.playType="D"
if (self.typeChar=="Q"):
self.playType="DH"
if (self.typeChar=="K"):
self.playType="R"
return None
def availableMoves(self,tableMap):
playTypes = list(self.playType)
availableMoves = list()
if("D" in playTypes):
availableMoves.extend(self.calcDiagonalMoves(tableMap))
if("H" in playTypes):
availableMoves.extend(self.calcLinearMoves(tableMap))
if(self.typeChar=="P"):
availableMoves.extend(self.pawnMoves(tableMap))
availableMoves.extend(self.pawnOt(tableMap))
if(self.typeChar=="K"):
availableMoves.extend(self.kingMoves(tableMap))
if(self.typeChar=="N"):
availableMoves.extend(self.knightMoves(tableMap))
return availableMoves
def calcLinearMoves(self,tableMap):
linMovs = list()
sectorSplit = list(self.space)
xPos = self.xFrmKey[sectorSplit[0]]
yPos = int(sectorSplit[1])
for x in range(xPos+1, self.collisionDetection("R",tableMap)):
if(self.freeSpace((self.xToKey[x] + str(yPos)),tableMap) == True):
linMovs.append(self.editSpace(x,yPos))
else:
break
for x in range(xPos-1,self.collisionDetection("L",tableMap), -1):
if(self.freeSpace((self.xToKey[x] + str(yPos)),tableMap) == True):
linMovs.append(self.editSpace(x,yPos))
else:
break
for y in range(yPos+1, self.collisionDetection("U",tableMap)):
if(self.freeSpace((sectorSplit[0]+str(y)),tableMap) == True):
linMovs.append(self.editSpace(xPos,y))
else:
break
for y in range(yPos-1,self.collisionDetection("D",tableMap),-1):
if(self.freeSpace((sectorSplit[0]+str(y)),tableMap) == True):
linMovs.append(self.editSpace(xPos,y))
else:
break
return linMovs
def calcDiagonalMoves(self,tableMap):
dMovs = list()
sectorSplit = list(self.space)
xPos = self.xFrmKey[sectorSplit[0]]
yPos = int(sectorSplit[1])
xInt, yInt = self.collisionDetection("UL",tableMap)
y=yPos
for x in range(xPos,xInt-1,-1):
if(y>8):
break
else:
if(self.freeSpace(self.editSpace(x,y),tableMap) == True):
dMovs.append(self.editSpace(x,y))
y+=1
xInt, yInt = self.collisionDetection("UR",tableMap)
y=yPos
for x in range(xPos,xInt+1):
if(y>8):
break
else:
if(self.freeSpace(self.editSpace(x,y),tableMap) == True):
dMovs.append(self.editSpace(x,y))
y+=1
xInt, yInt = self.collisionDetection("DR",tableMap)
y=yPos
for x in range(xPos,xInt+1):
if(y<1):
break
else:
if(self.freeSpace(self.editSpace(x,y),tableMap) == True):
dMovs.append(self.editSpace(x,y))
y-=1
xInt, yInt = self.collisionDetection("DL",tableMap)
y=yPos
for x in range(xPos,xInt-1,-1):
if(y<1):
break
else:
if(self.freeSpace(self.editSpace(x,y),tableMap) == True):
dMovs.append(self.editSpace(x,y))
y-=1
return dMovs
def pawnMoves(self,tableMap):
pawnMoves = list()
sectorSplit = list(self.space)
xPos = self.xFrmKey[sectorSplit[0]]
yPos = int(sectorSplit[1])
if(self.holder == "W"):
pawnMulti = 1
else:
pawnMulti = -1
if(self.freeSpace((sectorSplit[0]+str(yPos+pawnMulti)),tableMap) == True):
pawnMoves.append(self.editSpace(0,pawnMulti+yPos))
if(self.firstTurn == True):
if((self.freeSpace((sectorSplit[0]+str(yPos+(2*pawnMulti))),tableMap)) == True):
pawnMoves.append(self.editSpace(0,(2*pawnMulti)+yPos))
return pawnMoves
def kingMoves(self,tableMap):
kingMoves = list()
sectorSplit = list(self.space)
xPos = self.xFrmKey[sectorSplit[0]]
yPos = int(sectorSplit[1])
diagonalMultipliers = [(1,1),(-1,-1),(1,-1),(-1,1)]
kingAdd = [(1,0),(0,1),(-1,0),(0,-1)]
for each in diagonalMultipliers:
for x in range(1,2):
checkX = xPos+(x*each[0])
checkY = yPos+(x*each[1])
if((0<checkX<9) and (0<checkY<9)):
if(self.freeSpace((self.xToKey[checkX]+str(checkY)), tableMap) == True):
kingMoves.append(self.editSpace(checkX,checkY))
for each in kingAdd:
curX = xPos + each[0]
curY = yPos + each[1]
if((0<curX<9) and (0<curY<9)):
if(self.freeSpace((self.xToKey[curX]+str(curY)),tableMap) == True):
kingMoves.append(self.editSpace(curX, curY))
return kingMoves
def knightMoves(self,tableMap):
knightMoves = list()
sectorSplit = list(self.space)
xPos = self.xFrmKey[sectorSplit[0]]
yPos = int(sectorSplit[1])
diagonalMultipliers = [(1,1),(-1,-1),(1,-1),(-1,1)]
for each in diagonalMultipliers:
curX = (xPos+(1*each[0]))
curY = (yPos+(2*each[1]))
if((0<curX<9) and (0<curY<9)):
if(self.freeSpace((self.xToKey[curX]+str(curY)),tableMap) == True):
knightMoves.append(self.editSpace(curX,curY))
curX = (xPos+(2*each[0]))
curY = (yPos+(1*each[1]))
if((0<curX<9) and (0<curY<9)):
if(self.freeSpace((self.xToKey[curX]+str(curY)),tableMap) == True):
knightMoves.append(self.editSpace(curX,curY))
return knightMoves