RPG-game

import json



def showInstructions():
    # Print a main menu and the commands
    print("""
RPG Game
========

Get to the Garden with a key and a potion.
Avoid the monsters!

You are getting tired; each time you move you lose one health point.

Commands:
    go [north | south | east | west]
    get [item]
""")

def showStatus():
    # Print the player's current status
    print("---------------------------")
    print(name + " is in the " + currentRoom)
    print("Health : " + str(health))
    # Print the current inventory
    print("Inventory : " + str(inventory))
    # Print an item if there is one
    if len(rooms[currentRoom]["item"])>0:
        print("You see a " + str(rooms[currentRoom]["item"]))
    print("---------------------------")

#-# CODE WILL BE ADDED HERE IN THE NEXT STEP #-#
# Load data from the file
newGame = input("Do you want to start a new game? Y/N >").lower()
if newGame == "y":
    # Set up a new game
    name = None
    health = 5
    currentRoom = "Hall"
    inventory = []
    gamedata = {
        "playername": name,
        "playerhealth": health,
        "playercurrentroom": currentRoom,
        "inventory": []
        }
    with open("gamedata.json","w") as f:
        json.dump(gamedata, f)
    # A dictionary linking a room to other room positions
    rooms = {
              "Hall" : { "south" : "Kitchen",
                         "east"  : "Dining Room",
                         "item"  : ["key"]
                       },

              "Kitchen" : { "north" : "Hall",
                            "item"  : ["monster"]
                          },

              "Dining Room" : { "west"  : "Hall",
                                "south" : "Garden",
                                "item"  : ["potion"]
                              },

              "Garden" : { "north" : "Dining Room",
                            "item" : []
                         }
            }
    with open("rooms.json","w") as f:
        json.dump(rooms, f)
else:
    try:
        print("Retrieving player details")
        with open("gamedata.json","r") as f:
            gamedata = json.load(f)
            name = gamedata["playername"]
            health = gamedata["playerhealth"]
            currentRoom = gamedata["playercurrentroom"]
            inventory = gamedata["inventory"]
        with open("rooms.json","r") as f:
            rooms = json.load(f)
            
    except FileNotFoundError:
        print("No previous game found. Starting a new game.")
        # Set up a new game
        name = None
        health = 5
        currentRoom = "Hall"
        inventory = []
        gamedata = {
            "playername": name,
            "playerhealth": health,
            "playercurrentroom": currentRoom,
            "inventory": inventory
            }
        with open("gamedata.json","w") as f:
            json.dump(gamedata, f)
        # A dictionary linking a room to other room positions
        rooms = {
                  "Hall" : { "south" : "Kitchen",
                             "east"  : "Dining Room",
                             "item"  : ["key"]
                           },

                  "Kitchen" : { "north" : "Hall",
                                "item"  : ["monster"]
                              },

                  "Dining Room" : { "west"  : "Hall",
                                    "south" : "Garden",
                                    "item"  : ["potion"]
                                  },

                  "Garden" : { "north" : "Dining Room",
                                "item" : []
                             }
                }
        with open("rooms.json","w") as f:
            json.dump(rooms, f)



# Ask the player their name
if name is None:
    name = input("What is your name, Adventurer? ")
    gamedata.update({"playername": name})
    with open("gamedata.json","w") as f:
        json.dump(gamedata, f)
    showInstructions()

# Loop forever
while True:

    showStatus()

    # Get the player's next "move"
    # .split() breaks it up into an list array
    # e.g. typing "go east" would give the list:
    # ["go","east"]
    move = ""
    while move == "":
        move = input(">")

    move = move.lower().split()

    # If they type "go" first
    if move[0] == "go":
        health = health - 1
        gamedata.update({"playerhealth": health})
        # Check that they are allowed wherever they want to go
        if move[1] in rooms[currentRoom]:
            # Set the current room to the new room
            currentRoom = rooms[currentRoom][move[1]]
            gamedata.update({"playercurrentroom": currentRoom})
        # or, if there is no door (link) to the new room
        else:
            print("You can't go that way!")

    # If they type "get" first
    if move[0] == "get" :
        # If the room contains an item, and the item is the one they want to get
        if move[1] in rooms[currentRoom]["item"]:
            # move item from the room into the inventory
            inventory.append(rooms[currentRoom]["item"].pop(rooms[currentRoom]["item"].index(move[1])))
            gamedata.update({"inventory": inventory})
            # Display a helpful message
            print(move[1] + " collected!")
            # Delete the item from the room
            #del rooms[currentRoom]["item"]
            #rooms.update({currentRoom: 
        # Otherwise, if the item isn't there to get
        else:
            # Tell them they can't get it
            print("Can't get " + move[1] + "!")
            
    if move[0] == "drop":
        #check to see if they hold the thing they want to drop
        if move[1] in inventory:
            #move item from inventory into currentRoom
            rooms[currentRoom]["item"].append(inventory.pop(inventory.index(move[1])))
            gamedata.update({"inventory": inventory})
            
        else:
            print("You're not holding " + str(move[1]))
            
    # Player loses if they enter a room with a monster
    if "item" in rooms[currentRoom] and "monster" in rooms[currentRoom]["item"]:
        print("A monster has got you ... GAME OVER!")
        break

    if health == 0:
        print("You collapse from exhaustion ... GAME OVER!")
        break

    # Player wins if they get to the garden with a key and a potion
    if currentRoom == "Garden" and "key" in inventory and "potion" in inventory:
        print("You escaped the house ... YOU WIN!")
        break
    #-# CODE WILL BE ADDED HERE IN THE NEXT STEP #-#
    # Save game data to the file
    with open("gamedata.json","w") as f:
        json.dump(gamedata, f)
    with open("rooms.json","w") as f:
        json.dump(rooms, f)