private void constructItem()
{
List <Tuple <resource.resourceTypes, int> > costs = new List <Tuple <resource.resourceTypes, int> >();
foreach (constructionItem item in items)
{
if (item.selected)
{
costs = item.cost;
foreach (Tuple <resource.resourceTypes, int> cost in costs)
{
if (!playerInv.contains(cost.Item1, cost.Item2))
{
//do nothing
return;
}
}
foreach (Tuple <resource.resourceTypes, int> cost in costs)
{
playerInv.decreaseResource(cost.Item1, cost.Item2);
}
if (item.appearsInInventory)
{
playerInv.addToInventory(item.type, 1);
}
else if (item.appearsOnMap)
{
Vector2 location = new Vector2();
location.X = currPlayer.getCurrentPos().X + currPlayer.getTexture().Width + currMap.getViewport().X;
location.Y = currPlayer.getCurrentPos().Y + currPlayer.getTexture().Height + currMap.getViewport().Y;
//add spike pits and trees to the world.
if (item.type == resource.resourceTypes.Tree)
{
currMap.addTree(location);
}
else if (item.type == resource.resourceTypes.SpikePit)
{
currMap.addTrapToMap(location);
}
}
break;
}
}
}
/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
// Allows the game to exit
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
{
this.Exit();
}
// TODO: Add your update logic here
if (attacking)
{
//RotationAngle += elapsed;
//float circle = MathHelper.Pi * 300;
//RotationAngle = RotationAngle % circle;
RotationAngle += 0.1f;
AttackTimeElapsed += 1;
if (AttackTimeElapsed > maxAttackTime)
{
attacking = false;
}
checkZombieWeaponCollision();
}
double elapsed = gameTime.TotalGameTime.TotalSeconds;
if (elapsed >= nextZombieSpawnTime)
{
nextZombieSpawnTime += intervalBetweenSpawns;
spawnZombies();
}
if (!constructionMenuOpen && !currentPlayer.isInventoryOpen())
{
List <Zombie> deleteZeds = new List <Zombie>();
List <Vector2> deleteTraps = new List <Vector2>();
foreach (Zombie zed in zombies)
{
Vector2 viewport = currentMap.getViewport();
Vector2 PlayerRealPos = currentPlayer.getCurrentPos();
PlayerRealPos.X += viewport.X;
PlayerRealPos.Y += viewport.Y;
zed.moveTowardsPlayer(currentPlayer, viewport);
Matrix zombieMatrix = Matrix.CreateTranslation(zed.getLocation().X, zed.getLocation().Y, 0);
Color[,] zombieColours = Helpers.TextureTo2DArray(zed.getTexture());
foreach (Vector2 trap in currentMap.getTraps())
{
//Vector2 trapPos = new Vector2(trap.X, trap.Y);
Matrix trapMatrix = Matrix.CreateTranslation(trap.X, trap.Y, 0);
Color[,] trapColours = Helpers.TextureTo2DArray(currentMap.getTrapTexture());
Vector2 collisionPoint = Helpers.TexturesCollide(zombieColours, zombieMatrix, trapColours, trapMatrix);
if (collisionPoint.X != -1)
{
zed.setDead();
deleteZeds.Add(zed);
deleteTraps.Add(trap);
}
}
}
foreach (Zombie deadZed in deleteZeds)
{
zombies.Remove(deadZed);
}
foreach (Vector2 trap in deleteTraps)
{
currentMap.removeTrap(trap);
}
checkZombiePlayerCollision();
}
else
{
//delay the spawn timer
nextZombieSpawnTime += gameTime.ElapsedGameTime.TotalSeconds;
}
checkKeyboard();
base.Update(gameTime);
}
