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RPG: Escape the Space Ship

Notes and correlations to Make Your Own Python Text Adventure

  • Step 1: p.25-26
    • add a print statement and conditions for user input for directions
    • added lower() instead of or statements
  • Step 2: p.31
    • put the direction inputs into a function called play()
    • created a function get_player_command() for inputs and called it in play()
  • Step 3: p.30
    • added an inventory list to play()
    • added the possible user inputs into a list
    • added an option to print the inventory
  • Step 4: p.51
    • created a while loop for continuous user inputs
      • accidentally left get_player_command() outside the loop
    • created a for loop to print individual inventory items
  • Step 5: p.60-61
    • create weapons classes for Blaster and Knife
    • the text book recommends adding str so self.name can be printed
    • added the Blaster and Knife objects to the inventory list
  • Step 6: p.62
    • created a parent class called Weapons and inherited str
  • Step 7: p.67-69
    • added a function to check what which weapon in the inventory is the most powerful
    • added an exception to most_powerful_weapon(inventory) to pass on any inventory that does not have the attribute damage
    • added an exception to the Weapons class to prevent from accidentally creating objects
  • Step 8: p.71-74
    • created an external file to store items classes called item.py
    • created an external file for the Player class called player.py
    • moved most_powerful_weapon to Player class
    • removed most_powerful_weapon option from game.py because it was added to
  • Step 9: p.78-83
    • would be useful to connect the coordinate system to Processing
    • created a map class called ship.py
    • added classes for empty tiles, a supply tile, an escape pod tile
    • added a function that links the tile to coordinates
    • initialized the player's starting position in the Player class
    • add methods to the MapTile class that defines movement
    • add direction methods to game.py
    • the game crashes if the player is in an empty position (which the text says will be addressed later)
  • Step 10: p.85 - 92
    • added enemies with name, health points and damage
    • added the random module to ship.py
    • added enemies at random positions on the Map
    • replaced some of the empty map tiles with enemy tiles
    • added a print statement for the random numbers generated for the enemy positions on the MapTile because Space Trolls were appear too often (later commented out)
      • changed the conditional statements to less and greater than and equal to and it seemed to fix the problem
    • added the ability for the player to attack
    • added the ability for the enemy to fight back to the MapTile class
    • added health points to the player class
    • modified the modify_player method from the Text suggestion p.89
      • used assignment by subtraction
      • added the enemy name to the print statement
      • added a condition that player health must be above 0 to continue
        • this is missing from the text
    • added a base method to the MapTile class to implement modify_player on every tile
  • Step 11: p.92 - 93
    • added enemy introductions to the MapTile class
      • text uses \ for concatenation
        • using + caused errors text was switched to multi-line string blocks
      • different introductions for alive and dead enemies
        • the text has a very strange way of stating the conditions that was ignored
  • Step 12: p.94 - 98
    • added a Consumable class to items
    • added a Protection class to items
    • updated the inventory
    • add a function to check for consumables in the Inventory
      • used isinstance to check objects
      • used enumerate to print out the items
      • make sure to emphasize the difference between function reference and calling the function (also with objects)
      • added to the Player class
    • add a function to check for protection items in the Inventory
  • Step 13: p.99 - 106
    • create a new function in game.py that stores all legal actions in a dictionary
    • used the get() method to account for invalid inputs
    • removed get_play_command and replaced them with new action functions
      • made the code much more efficient
  • Step 14: p.107 - 114, 122-125
    • created a map of the ship
      • using domain specific language (DSL)
      • created a dictionary of title types
      • take the text map and create a list
      • updated the start location
  • p. 115 - 122
    • the text talks about adding value to items to be bought but that can be added in the future if the game is expanded to nearby planet
  • Step 15: p. 115 - 122
    • add supplies to the player's inventory once they find the supply tile
      • the text does not explicitly show these steps but parts of the for buying items was used
  • Step 16: p.127 - 129
    • added conditions for winning to the Escape Pod tile
  • Appendix: p. 145
    • has helpful suggests places to check in code for specific exceptions for the RPG