这是第一个 Unity 开放项目的repo,是 Unity 和社区合作创建的一个小型开源游戏演示,第一款游戏是一款名为 Chop Chop 的动作冒险游戏。
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201 行
5.2 KiB

using UnityEngine;
using UnityEngine.InputSystem;
using UnityEngine.Events;
[CreateAssetMenu(fileName = "InputReader", menuName = "Game/Input Reader")]
public class InputReader : ScriptableObject, GameInput.IGameplayActions, GameInput.IDialoguesActions, GameInput.IMenusActions
{
// Assign delegate{} to events to initialise them with an empty delegate
// so we can skip the null check when we use them
// Gameplay
public event UnityAction jumpEvent = delegate { };
public event UnityAction jumpCanceledEvent = delegate { };
public event UnityAction attackEvent = delegate { };
public event UnityAction attackCanceledEvent = delegate { };
public event UnityAction interactEvent = delegate { }; // Used to talk, pickup objects, interact with tools like the cooking cauldron
public event UnityAction openInventoryEvent = delegate { }; // Used to bring up the inventory
public event UnityAction pauseEvent = delegate { };
public event UnityAction<Vector2> moveEvent = delegate { };
public event UnityAction<Vector2, bool> cameraMoveEvent = delegate { };
public event UnityAction enableMouseControlCameraEvent = delegate { };
public event UnityAction disableMouseControlCameraEvent = delegate { };
public event UnityAction startedRunning = delegate { };
public event UnityAction stoppedRunning = delegate { };
// Shared between menus and dialogues
public event UnityAction moveSelectionEvent = delegate { };
// Dialogues
public event UnityAction advanceDialogueEvent = delegate { };
// Menus
public event UnityAction menuMouseMoveEvent = delegate { };
public event UnityAction menuConfirmEvent = delegate { };
public event UnityAction menuCancelEvent = delegate { };
public event UnityAction menuUnpauseEvent = delegate { };
private GameInput gameInput;
private void OnEnable()
{
if (gameInput == null)
{
gameInput = new GameInput();
gameInput.Menus.SetCallbacks(this);
gameInput.Gameplay.SetCallbacks(this);
gameInput.Dialogues.SetCallbacks(this);
}
EnableGameplayInput();
}
private void OnDisable()
{
DisableAllInput();
}
public void OnAttack(InputAction.CallbackContext context)
{
switch (context.phase)
{
case InputActionPhase.Performed:
attackEvent.Invoke();
break;
case InputActionPhase.Canceled:
attackCanceledEvent.Invoke();
break;
}
}
public void OnOpenInventory(InputAction.CallbackContext context)
{
if (context.phase == InputActionPhase.Performed)
openInventoryEvent.Invoke();
}
public void OnInteract(InputAction.CallbackContext context)
{
if (context.phase == InputActionPhase.Performed)
interactEvent.Invoke();
}
public void OnJump(InputAction.CallbackContext context)
{
if (context.phase == InputActionPhase.Performed)
jumpEvent.Invoke();
if (context.phase == InputActionPhase.Canceled)
jumpCanceledEvent.Invoke();
}
public void OnMove(InputAction.CallbackContext context)
{
moveEvent.Invoke(context.ReadValue<Vector2>());
}
public void OnRun(InputAction.CallbackContext context)
{
switch (context.phase)
{
case InputActionPhase.Performed:
startedRunning.Invoke();
break;
case InputActionPhase.Canceled:
stoppedRunning.Invoke();
break;
}
}
public void OnPause(InputAction.CallbackContext context)
{
if (context.phase == InputActionPhase.Performed)
pauseEvent.Invoke();
}
public void OnRotateCamera(InputAction.CallbackContext context)
{
cameraMoveEvent.Invoke(context.ReadValue<Vector2>(), IsDeviceMouse(context));
}
public void OnMouseControlCamera(InputAction.CallbackContext context)
{
if (context.phase == InputActionPhase.Performed)
enableMouseControlCameraEvent.Invoke();
if (context.phase == InputActionPhase.Canceled)
disableMouseControlCameraEvent.Invoke();
}
private bool IsDeviceMouse(InputAction.CallbackContext context) => context.control.device.name == "Mouse";
public void OnMoveSelection(InputAction.CallbackContext context)
{
if (context.phase == InputActionPhase.Performed)
moveSelectionEvent();
}
public void OnAdvanceDialogue(InputAction.CallbackContext context)
{
if (context.phase == InputActionPhase.Performed)
advanceDialogueEvent();
}
public void OnConfirm(InputAction.CallbackContext context)
{
if (context.phase == InputActionPhase.Performed)
menuConfirmEvent();
}
public void OnCancel(InputAction.CallbackContext context)
{
if (context.phase == InputActionPhase.Performed)
menuCancelEvent();
}
public void OnMouseMove(InputAction.CallbackContext context)
{
if (context.phase == InputActionPhase.Performed)
menuMouseMoveEvent();
}
public void OnUnpause(InputAction.CallbackContext context)
{
if (context.phase == InputActionPhase.Performed)
menuUnpauseEvent();
}
public void EnableDialogueInput()
{
gameInput.Menus.Disable();
gameInput.Gameplay.Disable();
gameInput.Dialogues.Enable();
}
public void EnableGameplayInput()
{
gameInput.Menus.Disable();
gameInput.Dialogues.Disable();
gameInput.Gameplay.Enable();
}
public void EnableMenuInput()
{
gameInput.Dialogues.Disable();
gameInput.Gameplay.Disable();
gameInput.Menus.Enable();
}
public void DisableAllInput()
{
gameInput.Gameplay.Disable();
gameInput.Menus.Disable();
gameInput.Dialogues.Disable();
}
public bool LeftMouseDown() => Mouse.current.leftButton.isPressed;
}