protected override void Update(GameTime gameTime)
{
// Get the keyboard and mouse states
k = Keyboard.GetState();
m = Mouse.GetState();
// Update displacements
displacementX = (graphics.PreferredBackBufferWidth / 2) / scale;
displacementY = (graphics.PreferredBackBufferHeight / 2) / scale;
// Make sure the game is active
if (this.IsActive)
{
if (focusState.Equals(FocusState.Unfocused))
{
focusState = FocusState.Focused;
focusSound.Play();
}
}
else
{
focusState = FocusState.Unfocused;
}
switch (focusState)
{
case FocusState.Focused:
switch (gameState)
{
case GameState.Quitting:
#region Quitting Update Logic
// Everything needed to be done before quitting is done here
this.Exit();
#endregion
break;
case GameState.Menu:
#region Menu Update Logic
// Allow the user to enter the game
if (k.IsKeyDown(Keys.Enter))
{
gameState = GameState.Generating;
// Generate the level
level = new Level(1024, 128, 0.18F);
level.generateLevel();
// Load the player onto the level
player = new Player(new Vector2(Tile.tileWidth * 128, Tile.tileHeight * 64),
playerSize,
Vector2.Zero);
level.player = player;
// Move the camera
cameraTarget.X = level.player.position.X;
cameraTarget.Y = level.player.position.Y;
cameraPosition.X = cameraTarget.X;
cameraPosition.Y = cameraTarget.Y;
}
// Allow the user to quit the game
if (k.IsKeyDown(Keys.Q))
{
gameState = GameState.Quitting;
}
#endregion
break;
case GameState.Exploring:
#region Exploring Update Logic
// Update the level
level.update(level, gameState, k, kOld, m, mOld);
// TEMPORARY
//for(int i = 0; i < level.entities.Count; i++)
//{
// //inventory.Add(level.entities[i].dropResource);
// if(inventory[random.Next(0, inventoryWidth), random.Next(0, inventoryHeight)].addItem(level.entities[i].dropResource))
// level.entities.RemoveAt(i);
//}
// Allow the player to exit to the menu
if (k.IsKeyDown(Keys.Escape))
{
gameState = GameState.Menu;
pauseSound.Play();
}
// Allow the user to open their inventory
if (k.IsKeyDown(Keys.Tab) && kOld.IsKeyUp(Keys.Tab))
{
gameState = GameState.Inventory;
openSound.Play();
}
// Tick?
if (tickCounter >= 3)
{
level.tick(level, cameraPosition, displacementX, displacementY);
tickCounter = 0;
}
// Move the focus
focusPosition.X += ((focusTargetTileX * Tile.tileWidth) - focusPosition.X) / 3.0F;
focusPosition.Y += ((focusTargetTileY * Tile.tileHeight) - focusPosition.Y) / 3.0F;
focusTargetTileX = (((m.X / scale) - displacementX) + (int)cameraPosition.X) / Tile.tileWidth;
focusTargetTileY = (((m.Y / scale) - displacementY) + (int)cameraPosition.Y) / Tile.tileHeight;
// Placing Blocks
if (m.RightButton.Equals(ButtonState.Pressed) &&
!m.RightButton.Equals(mOld.RightButton))
{
if (level.getTile(
focusTargetTileX,
focusTargetTileY).ID <= 0)
{
level.setTile(
focusTargetTileX,
focusTargetTileY,
new WoodPlankTile(0, random));
placeSound.Play();
}
}
// Destroying Blocks
if (m.LeftButton.Equals(ButtonState.Pressed) &&
!m.LeftButton.Equals(mOld.LeftButton))
{
if (level.getTile(
focusTargetTileX,
focusTargetTileY).ID > 0)
{
level.removeTile(level,
focusTargetTileX,
focusTargetTileY);
breakSound.Play();
}
}
// Move the camera
cameraPosition.X += (cameraTarget.X - cameraPosition.X) / 10;
cameraPosition.Y += (cameraTarget.Y - cameraPosition.Y) / 10;
cameraTarget.X = level.player.position.X;
cameraTarget.Y = level.player.position.Y;
// Increment the tick counter
tickCounter++;
#endregion
break;
case GameState.Inventory:
#region Inventory Update Logic
// Allow the player to exit to the main menu
if (k.IsKeyDown(Keys.Escape))
{
gameState = GameState.Menu;
pauseSound.Play();
}
// Allow the player to exit the inventory
if (k.IsKeyDown(Keys.Tab) && kOld.IsKeyUp(Keys.Tab))
{
// If the player is holding an item in their hand, throw the items out before continuing.
if (handStack.items.Count > 0)
{
}
gameState = GameState.Exploring;
closeSound.Play();
}
// Find out what item stack the user is pointing at
if (m.X / scale >= inventoryX && m.X / scale < inventoryX + (inventoryWidth * Tile.tileWidth) &&
m.Y / scale >= inventoryY && m.Y / scale < inventoryY + (inventoryHeight * Tile.tileHeight))
{
inventorySelectionX = ((m.X / scale) - inventoryX) / Tile.tileWidth;
inventorySelectionY = ((m.Y / scale) - inventoryY) / Tile.tileHeight;
}
else
{
inventorySelectionX = -1;
inventorySelectionY = -1;
}
// The player has clicked!
if ((m.LeftButton.Equals(ButtonState.Pressed) && mOld.LeftButton.Equals(ButtonState.Released)) ||
m.RightButton.Equals(ButtonState.Pressed) && mOld.RightButton.Equals(ButtonState.Released))
{
// First, make sure a slot in the inventory is selected.
int iX = inventorySelectionX;
int iY = inventorySelectionY;
if (iX >= 0 && iY >= 0)
{
if (m.LeftButton.Equals(ButtonState.Pressed) &&
m.RightButton.Equals(ButtonState.Released))
{
if (handStack.items.Count > 0 &&
inventory[iX, iY].items.Count <= 0)
{
// Player drops items into an empty inventory slot
if (inventory[iX, iY].addStack(handStack))
{
handStack.items.Clear();
}
}
else if (handStack.items.Count > 0 &&
inventory[iX, iY].items.Count > 0 &&
handStack.items[handStack.items.Count - 1].ID
.Equals(inventory[iX, iY].items[inventory[iX, iY].items.Count - 1].ID))
{
// Player adds items to an existing pile in the inventory
if (inventory[iX, iY].addStack(handStack))
{
handStack.items.Clear();
}
}
else if (handStack.items.Count <= 0 &&
inventory[iX, iY].items.Count > 0)
{
// Player picks up a pile of items from the inventory
if (handStack.addStack(inventory[iX, iY]))
{
inventory[iX, iY].items.Clear();
}
}
}
}
else
{
// Allow the player to throw items
if (handStack.items.Count > 0)
{
if (m.LeftButton.Equals(ButtonState.Pressed) &&
m.RightButton.Equals(ButtonState.Released))
{
foreach (Resource r in handStack.items)
{
level.addEntity(new DropEntity(cameraPosition, Vector2.Zero, r));
}
handStack.items.Clear();
}
else if (m.LeftButton.Equals(ButtonState.Released) &&
m.RightButton.Equals(ButtonState.Pressed))
{
level.addEntity(new DropEntity(cameraPosition, Vector2.Zero, handStack.getOne()));
}
}
}
}
#endregion
break;
case GameState.Generating:
#region Generating Update Logic
if (level.genDone)
{
gameState = GameState.Exploring;
spawnSound.Play();
}
#endregion
break;
}
break;
case FocusState.Unfocused:
#region Unfocused Update Logic
#endregion
break;
}
// Turn on/off the debug information
if (k.IsKeyDown(Keys.F3) && kOld.IsKeyUp(Keys.F3))
{
showDebug = !showDebug;
}
// Update the old keyboard and mouse variables
kOld = k;
mOld = m;
updates++;
base.Update(gameTime);
}
