public override void Update(GameTime gameTime)
{
level.Update(gameTime);
if (Game.IsActive)
{
// Check if user wishes to return to menu
if (InputHandler.IsKeyDown(Microsoft.Xna.Framework.Input.Keys.Escape))
{
if (MessageBox.Show("Return to the menu?", "Return to Menu", MessageBoxButtons.YesNo, System.Windows.Forms.MessageBoxIcon.Question) == DialogResult.Yes)
{
Main.SetState(typeof(ProfilerMenu));
SetBotPosition(new Coord2(0, 0));
SetPlayerPosition(new Coord2(1, 0));
}
}
// Check for mouse clicks
if (InputHandler.IsMouseInWindow(GraphicsDevice.Viewport.Bounds))
{
// Check for mouse clicks
if (InputHandler.IsMouseButtonPressed(MouseButton.LeftButton) || InputHandler.IsMouseButtonPressed(MouseButton.RightButton))
{
ClearAll();
Coord2 mp = new Coord2(InputHandler.MousePosition().X / level.Map.TileSize, InputHandler.MousePosition().Y / level.Map.TileSize);
if (level.Map.ValidPosition(mp))
{
if (InputHandler.IsMouseButtonPressed(MouseButton.LeftButton))
{
if (level.Bot.GridPosition != mp)
{
level.SetPlayerPosition(mp);
}
}
else
{
if (level.Player.GridPosition != mp)
{
level.SetBotPosition(mp);
}
}
}
}
// Update mouse position
mousePos = new Point(InputHandler.MousePosition().X / level.Map.TileSize, InputHandler.MousePosition().Y / level.Map.TileSize);
}
// Check for hide/show instructions
if (InputHandler.IsKeyPressed(Microsoft.Xna.Framework.Input.Keys.Tab))
{
showInstructions = !showInstructions;
}
}
base.Update(gameTime);
}
public void Update(GameTime gameTime)
{
// Handle player input for movement
HandlePlayerMovement();
// Update the pathfinder
if (map.pathfinder.GetAlgorithm() == PathfinderAlgorithm.ScentMap)
{
map.pathfinder.Build(bot.GridPosition, player.GridPosition);
}
else
{
if (InputHandler.IsKeyPressed(Keys.Enter))
{
map.pathfinder.Build(bot.GridPosition, player.GridPosition);
}
}
// Update bot and player
bot.Update(gameTime, map, player);
player.Update(gameTime, map);
}
public void Build(Coord2 startPos, Coord2 targetPos)
{
if (InputHandler.IsKeyPressed(Microsoft.Xna.Framework.Input.Keys.Enter))
{
this.startPos = startPos;
this.targetPos = targetPos;
path = new List <Coord2>();
nodes = new NodeCollection(GridSize);
// Initialize bot position
nodes.Get(startPos.X, startPos.Y).cost = 0;
bool firstLoop = true;
while (nodes.Get(targetPos.X, targetPos.Y).closed == false)
{
if (firstLoop)
{
currentLowestPos = startPos;
firstLoop = false;
}
else
{
FindLowestCost(); // Find lowest cost
}
// Mark lowest cost as closed
nodes.Get(currentLowestPos.X, currentLowestPos.Y).closed = true;
// Find the neigbour positions
Coord2[] neighbours = GetNeighbours(currentLowestPos);
// Recalculate Costs
RecalculateCosts(neighbours, currentLowestPos);
}
// Trace the completed path
TracePath();
}
}
