main.py

#!/usr/bin/python
import os

grid = []
p_Pos = [1, 1]	# Player position
lp_Pos = [1, 1]	# Last player position
gridH = 20
gridL = 40

messageLog = []
mL_shown_length = 10

spacer = '=' * 2 * gridL

# Can move?
cm_N = False
cm_E = False
cm_S = False
cm_W = False

class move:
	def moveNorth():
		if cm_N:
			p_Pos[0] -= 1
		else:
			messageLog.append('Can\'t move north.')
	def moveEast():
		if cm_E:
			p_Pos[1] += 1
		else:
			messageLog.append('Can\'t move east.')
	def moveSouth():
		if cm_S:
			p_Pos[0] += 1
		else:
			messageLog.append('Can\'t move south.')
	def moveWest():
		if cm_W:
			p_Pos[1] -= 1
		else:
			messageLog.append('Can\'t move west.')

	def canMove():
		global cm_N
		global cm_E
		global cm_S
		global cm_W

		if grid[p_Pos[0] - 1][p_Pos[1]] != 'w':	#check north
			cm_N = True
		else:
			cm_N = False

		if grid[p_Pos[0]][p_Pos[1] + 1] != 'w':	#check east
			cm_E = True
		else:
			cm_E = False

		if grid[p_Pos[0] + 1][p_Pos[1]] != 'w': #check south
			cm_S = True
		else:
			cm_S = False

		if grid[p_Pos[0]][p_Pos[1] - 1] != 'w': #check west
			cm_W = True
		else:
			cm_W = False

	def updateMap():
		grid[lp_Pos[0]][lp_Pos[1]] = '0'
		grid[p_Pos[0]][p_Pos[1]] = 'P'


def initGrid(height, length):
	for i in range(height):
		grid.append(['0'])
		for j in range(length - 1):
			grid[i].append('0')
	
	# Initialize the player's position
	grid[p_Pos[0]][p_Pos[1]] = 'P'

	# Initialize walls, first is vertical walls, second is horizontal walls
	for i in range(height):
		grid[i][0] = 'w'
		grid[i][length - 1] = 'w'
	for i in range(length):
		grid[0][i] = 'w'
		grid[height - 1][i] = 'w'

	print(grid[height- 1])

def help():
	print('This is some example help text.')

def printMap():
	for row in grid:
		for tile in row:
			if tile == '0':
				print('  ', end = '')
			elif tile == 'w':
				print('██', end = '')
			elif tile == 'P':
				print('@ ', end = '')
		print()

def updateLastPos():
	global lp_Pos
	lp_Pos.pop()
	lp_Pos.pop()
	lp_Pos.append(p_Pos[0])
	lp_Pos.append(p_Pos[1])
	pass

def main_loop():
	while True:
		print(spacer)
		printMap()

		move.canMove()
		
		print(spacer)
		if len(messageLog) < mL_shown_length:
			print("\n" * (mL_shown_length - len(messageLog) - 1))
			for i in range(len(messageLog)):
				print(str(i + 1) + ': ' + messageLog[i])
		else:
			for i in range(len(messageLog) - mL_shown_length, len(messageLog)):
				print(str(i + 1) + ': ' + messageLog[i])

		print(spacer)
		#print(p_Pos)
		#print(lp_Pos)
		#print(cm_N, cm_E, cm_S, cm_W)
		P = input('Command: ').upper()
		print(spacer)

		updateLastPos()

		if P == 'N':
			os.system('clear')
			move.moveNorth()
			move.updateMap()
		elif P == 'E':
			os.system('clear')
			move.moveEast()
			move.updateMap()
		elif P == 'S':
			os.system('clear')
			move.moveSouth()
			move.updateMap()
		elif P == 'W':
			os.system('clear')
			move.moveWest()
			move.updateMap()
		elif P == 'HELP' or P == '?':
			os.system('clear')
			help()
		elif P == 'EXIT':
			exit()
		else:
			os.system('clear')
			messageLog.append('Command not recognized')

def init():
	initGrid(gridH, gridL)
	os.system('clear')
	main_loop()

init()