protected override void Initialize()
{
mGridWidth = 50;
mGridHeight = 50;
PathGrid = new byte[mGridWidth, mGridHeight];
DrawGrid = new byte[mGridWidth, mGridHeight];
for (int y = 0; y < mGridHeight; y += 1)
{
for (int x = 0; x < mGridWidth; x += 1)
{
PathGrid[x, y] = 1;
DrawGrid[x, y] = 1;
}
}
mPathFinder = new PathFinder(PathGrid);
MovableObject.Initalize(mGridWidth, mTileWidth);
mMovableObject = new MovableObject(new Vector2(16 * mGlobalScale, 16 * mGlobalScale));
base.Initialize();
}
protected override void Update(GameTime gameTime)
{
mOldMouseState = mNewMouseState;
mOldKeyboardState = mNewKeyboardState;
mNewMouseState = Mouse.GetState();
mNewKeyboardState = Keyboard.GetState();
elapsedTime = (float)gameTime.ElapsedGameTime.TotalSeconds;
mOldMousePos = mThisMousePos;
mThisMousePos.X = mNewMouseState.X / mTileWidth;
mThisMousePos.Y = mNewMouseState.Y / mTileWidth;
int mouseDelta = (mOldMouseState.ScrollWheelValue - mNewMouseState.ScrollWheelValue) / 100;
if (mouseDelta < 0 || (mouseDelta > 0 && mTileWidth > 1))
{
mTileWidth = Math.Max(mTileWidth - mouseDelta, 1);
MovableObject.Initalize(mGridWidth, mTileWidth);
mGlobalScale = (float)mTileWidth / (float)mObjectTex.Width;
mMovableObject = new MovableObject(new Vector2(16 * mGlobalScale, 16 * mGlobalScale));
}
if (WasPressed(Keys.Escape))
{
this.Exit();
}
if (WasPressed(Keys.F1))
{
graphics.ToggleFullScreen();
}
if (WasPressed(Keys.C))
{
this.Initialize();
}
if (WasPressed(Keys.D))
{
if (mDrawType != DrawType.DrawWay)
{
mDrawType = DrawType.DrawWay;
}
else
{
mDrawType = DrawType.DrawWall;
}
}
if (WasPressed(EMouseButton.RightButton) == true)
{
Click = new Vector2(mNewMouseState.X, mNewMouseState.Y);
mStartPoint = new Point((int)(mMovableObject.PositionCurrent.X / mTileWidth), (int)(mMovableObject.PositionCurrent.Y / mTileWidth));
mEndPoint = new Point(mThisMousePos.X, mThisMousePos.Y);
mWatch = Stopwatch.StartNew();
if (mStartPoint == mEndPoint)
{
mMovableObject.LinearMove(mMovableObject.PositionCurrent, Click);
}
else
{
Stopwatch timeTest = Stopwatch.StartNew();
foundPath = mPathFinder.FindPath(mStartPoint, mEndPoint);
timeTest.Stop();
Debug.Write("FindPath need " + timeTest.ElapsedMilliseconds + "ms");
if (foundPath != null)
{
Debug.WriteLine(" [" + foundPath.Count + " steps]");
mMovableObject.PathMove(ref foundPath, mMovableObject.PositionCurrent, Click);
}
else
{
Debug.WriteLine(" [FAILED TO FIND A WAY]");
}
}
}
//Wall drawing / removing
if (mNewMouseState.LeftButton == ButtonState.Pressed)
{
mThisMousePos.X = mNewMouseState.X / mTileWidth;
mThisMousePos.Y = mNewMouseState.Y / mTileWidth;
if ((mThisMousePos.X < mGridWidth) && (mThisMousePos.Y < mGridHeight) && (mThisMousePos.X >= 0) && (mThisMousePos.Y >= 0))
{
switch (mDrawType)
{
case DrawType.DrawWall:
PathGrid[mThisMousePos.X, mThisMousePos.Y] = 0;
DrawGrid[mThisMousePos.X, mThisMousePos.Y] = 0;
break;
case DrawType.DrawWay:
PathGrid[mThisMousePos.X, mThisMousePos.Y] = 1;
DrawGrid[mThisMousePos.X, mThisMousePos.Y] = 1;
break;
}
}
}
mMovableObject.Update(elapsedTime);
ushort GridX = (ushort)(mPathFinder.PathGrid.GetUpperBound(0) + 1);
ushort GridY = (ushort)(mPathFinder.PathGrid.GetUpperBound(1) + 1);
if (mMovableObject.PositionChanged == false)
{
if (mWatch.IsRunning == true)
{
mWatch.Stop();
}
mClearWalkPath += elapsedTime;
if (mClearWalkPath >= 3f)
{
mClearWalkPath = 0f;
mPathFinder.WalkedNodes = new byte[GridX, GridY];
}
}
else
{
mClearWalkPath = 0f;
if (((int)mMovableObject.PositionCurrent.X / mTileWidth) < GridX && ((int)mMovableObject.PositionCurrent.Y / mTileWidth) < GridY)
{
mPathFinder.WalkedNodes[(int)mMovableObject.PositionCurrent.X / mTileWidth, (int)mMovableObject.PositionCurrent.Y / mTileWidth] = 1;
}
}
base.Update(gameTime);
}