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Reacting To String Input

Reacting To String Input

Revisado con versión: 5.5

-

Dificultad: Principiante

In this session we will learn how to program a text based adventure game in which the player explores a series of rooms by reading text and inputting commands via the keyboard.

Reacting To String Input

Principiante Scripting

Download the incomplete version of the project here.

Room

Code snippet

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

[CreateAssetMenu(menuName = "TextAdventure/Room")]
public class Room : ScriptableObject 
{
    [TextArea]
    public string description;
    public string roomName;
    public Exit[] exits;


}

GameController

Code snippet

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class GameController : MonoBehaviour {

    public Text displayText;
    public InputAction[] inputActions;

    [HideInInspector] public RoomNavigation roomNavigation;
    [HideInInspector] public List<string> interactionDescriptionsInRoom = new List<string> ();

    List<string> actionLog = new List<string>();

    // Use this for initialization
    void Awake () 
    {
        roomNavigation = GetComponent<RoomNavigation> (); 
    }

    void Start()
    {
        DisplayRoomText ();
        DisplayLoggedText ();
    }

    public void DisplayLoggedText()
    {
        string logAsText = string.Join ("\n", actionLog.ToArray ());

        displayText.text = logAsText;
    }

    public void DisplayRoomText()
    {
        ClearCollectionsForNewRoom ();

        UnpackRoom ();

        string joinedInteractionDescriptions = string.Join ("\n", interactionDescriptionsInRoom.ToArray ());

        string combinedText = roomNavigation.currentRoom.description + "\n" + joinedInteractionDescriptions;

        LogStringWithReturn (combinedText);
    }

    void UnpackRoom()
    {
        roomNavigation.UnpackExitsInRoom ();
    }

    void ClearCollectionsForNewRoom()
    {
        interactionDescriptionsInRoom.Clear ();
        roomNavigation.ClearExits ();
    }

    public void LogStringWithReturn(string stringToAdd)
    {
        actionLog.Add (stringToAdd + "\n");
    }

    // Update is called once per frame
    void Update () {
        
    }
}

RoomNavigation

Code snippet

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class RoomNavigation : MonoBehaviour {

    public Room currentRoom;


    Dictionary<string, Room> exitDictionary = new Dictionary<string, Room> ();
    GameController controller;

    void Awake()
    {
        controller = GetComponent<GameController> ();
    }

    public void UnpackExitsInRoom()
    {
        for (int i = 0; i < currentRoom.exits.Length; i++) 
        {
            exitDictionary.Add (currentRoom.exits [i].keyString, currentRoom.exits [i].valueRoom);
            controller.interactionDescriptionsInRoom.Add (currentRoom.exits [i].exitDescription);
        }
    }

    public void AttemptToChangeRooms(string directionNoun)
    {
        if (exitDictionary.ContainsKey (directionNoun)) {
            currentRoom = exitDictionary [directionNoun];
            controller.LogStringWithReturn ("You head off to the " + directionNoun);
            controller.DisplayRoomText ();
        } else 
        {
            controller.LogStringWithReturn ("There is no path to the " + directionNoun);
        }

    }

    public void ClearExits()
    {
        exitDictionary.Clear ();
    }
}

Exit

Code snippet

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

[System.Serializable]
public class Exit
{
    public string keyString;
    public string exitDescription;
    public Room valueRoom;
}

TextInput

Code snippet

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class TextInput : MonoBehaviour 
{
    public InputField inputField;

    GameController controller;

    void Awake()
    {
        controller = GetComponent<GameController> ();
        inputField.onEndEdit.AddListener (AcceptStringInput);
    }

    void AcceptStringInput(string userInput)
    {
        userInput = userInput.ToLower ();
        controller.LogStringWithReturn (userInput);

        char[] delimiterCharacters = { ' ' };
        string[] separatedInputWords = userInput.Split (delimiterCharacters);

        for (int i = 0; i < controller.inputActions.Length; i++) 
        {
            InputAction inputAction = controller.inputActions [i];
            if (inputAction.keyWord == separatedInputWords [0]) 
            {
                inputAction.RespondToInput (controller, separatedInputWords);
            }
        }

        InputComplete ();

    }

    void InputComplete()
    {
        controller.DisplayLoggedText ();
        inputField.ActivateInputField ();
        inputField.text = null;
    }

}

InputAction

Code snippet

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public abstract class InputAction : ScriptableObject 
{
    public string keyWord;

    public abstract void RespondToInput (GameController controller, string[] separatedInputWords);
}

Go

Code snippet

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

[CreateAssetMenu(menuName= "TextAdventure/InputActions/Go")]
public class Go : InputAction
{
    public override void RespondToInput (GameController controller, string[] separatedInputWords)
    {
        controller.roomNavigation.AttemptToChangeRooms (separatedInputWords [1]);
    }
}

Buscar en Unity

Unity ID

Reacting To String Input

Revisado con versión: 5.5

-

Dificultad: Principiante

Reacting To String Input

Room

Code snippet

GameController

Code snippet

RoomNavigation

Code snippet

Exit

Code snippet

TextInput

Code snippet

InputAction

Code snippet

Go

Code snippet

Scripting

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