public void addExitStateListener(string state, StateChangeDelegate method)
{
if (state.Length == 0)
{
throw new StateMachineException("string 'state' canont be empty.");
}
if (method == null)
{
throw new StateMachineException("StateChangeDelegate 'method' cannot be null.");
}
if (stateUpdateMethods.ContainsKey(state) == false)
{
throw new StateMachineException("Cannot add listener because state, " + state + ", does not exist.");
}
if (exitStateListeners.ContainsKey(state) == false)
{
exitStateListeners.Add(state, new List <StateChangeDelegate>());
exitStateListeners[state].Add(method);
}
else if (exitStateListeners[state].Contains(method) == false)
{
exitStateListeners[state].Add(method);
}
}
public VOState(int id, List <int> from, StateChangeDelegate enter, StateChangeDelegate update, StateChangeDelegate exit)
{
this.id = id;
this.from = from;
this.enter = enter;
this.update = update;
this.exit = exit;
}
private void HandleInput()
{
//if the left mouse button is pressed then paint the tile onto the Map
if (mInputProcessor.currentMouseState[Util.MouseButtons.Left] == ButtonState.Pressed && canvasActive == true)
{
//Console.WriteLine(string.Format("changing tile at x:{0} y:{1}",gridx, gridy));
//if the brush is a tile
if (tileTextures.dict.ContainsValue(brushTexture))
{
if (Map.terrainTiles[gridy, gridx].texture != brushTexture)
{
Map.ChangeTile(gridx, gridy, brushTexture);
}
}
//else if the brush is a decoration
else if (decorationTextures.dict.ContainsValue(brushTexture))
{
if (mInputProcessor.previousMouseState[Util.MouseButtons.Left] == ButtonState.Released)
{
Map.PaintDecoration(Mouse.GetState().X, Mouse.GetState().Y, brushTexture);
}
}
}
//if the toolbox is active and the user clicked
else if (mInputProcessor.currentMouseState[Util.MouseButtons.Left] == ButtonState.Pressed && toolbox.active == true)
{
Texture2D textureClick = toolbox.Click();
if (textureClick != null)
{
brushTexture = textureClick;
}
}
//transition from the canvas being active to the toolbox being active
if (canvasActive == true && mInputProcessor.currentButtonStates[Keys.T] == true && mInputProcessor.previousButtonStates[Keys.T] == false)
{
canvasActive = false;
toolbox.active = true;
}
//transition from the toolbox being active to the canvas being active
else if (canvasActive == false && mInputProcessor.currentButtonStates[Keys.T] == true && mInputProcessor.previousButtonStates[Keys.T] == false)
{
canvasActive = true;
toolbox.active = false;
//Map.SaveToFile("Map.txt");
}
if (mInputProcessor.currentButtonStates[Keys.Escape] && !mInputProcessor.previousButtonStates[Keys.Escape])
{
StateChangeDelegate?.Invoke(3);
}
}
public void removeEnterStateListener(string state, StateChangeDelegate method)
{
if (state.Length == 0)
{
throw new StateMachineException("string 'state' canont be empty.");
}
if (method == null)
{
throw new StateMachineException("StateChangeDelegate 'method' cannot be null.");
}
if (stateUpdateMethods.ContainsKey(state) == false)
{
throw new StateMachineException("Cannot remove listener because state, " + state + ", does not exist.");
}
if (enterStateListeners.ContainsKey(state) && enterStateListeners[state].Contains(method) == false)
{
enterStateListeners[state].Remove(method);
}
}
/// <summary>
/// 添加状态处理
/// </summary>
/// <param name="state">State.</param>
/// <param name="handler">Handler.</param>
public void AddStateHandler(int state, StateChangeDelegate handler)
{
_StateChangeHandlers [state] = handler;
}
