// Checks the current node for an additional shadow copy and sets it's entity node according to the centre of its image.
public void SetEntityPosition(Node node, AddShadowCopy shadowCopy)
{
// Stores the centre of the shadow copy based on its rectangle.
Vector2 v2CopyCentre = shadowCopy.EntityPosition + new Vector2(shadowCopy.RectEntity.Width / 2, shadowCopy.RectEntity.Height / 2);
if (v2CopyCentre != null)
{
if (node.Tile.Contains(new Point((int)v2CopyCentre.X, (int)v2CopyCentre.Y)))
{
shadowCopy.EntityNode = node;
}
}
}
// Processes whatever power-up/item the player has equipped.
public void ProcessItem(GridLayer grid, AddShadowCopy[] addShadowCopies, ShadowCopy[] shadowCopies, Texture2D tx2ShadowCopy)
{
switch (strItem)
{
case "drk": // If the node contained a dark area, spawn an additional shadow copy.
{
if (addShadowCopies.Contains(null))
{
int intNewCopyIndex;
intNewCopyIndex = Array.IndexOf(addShadowCopies, null);
addShadowCopies[intNewCopyIndex] = new AddShadowCopy();
addShadowCopies[intNewCopyIndex].EntityImage = tx2ShadowCopy;
addShadowCopies[intNewCopyIndex].Initialize(EntityNode);
}
}
strItem = null;
break;
case "bld":
EntityNode.Colour = Color.Red; // Make the colour of the node the player is in red, to show a blade is equipped.
for (int intCopyIndex = 0; intCopyIndex < shadowCopies.GetLength(0); intCopyIndex++)
{
if (shadowCopies[intCopyIndex] != null && EntityNode.Tile.Intersects(shadowCopies[intCopyIndex].EntityNode.Tile))
{ // If a shadow copy exists and it intersects the player, remove the copy.
shadowCopies[intCopyIndex] = null;
strItem = null; // Remove the player's item after use.
}
}
for (int intCopyIndex = 0; intCopyIndex < addShadowCopies.GetLength(0); intCopyIndex++)
{
if (addShadowCopies[intCopyIndex] != null && EntityNode.Tile.Intersects(addShadowCopies[intCopyIndex].EntityNode.Tile))
{ // If a shadow copy exists and it intersects the player, remove the copy.
addShadowCopies[intCopyIndex] = null;
strItem = null; // Remove the player's item after use.
}
}
// if a shadow copy is in the same node as a player with a blade. Remove the shadow copy.
break;
case "lbm": // Casts a light ray where the player is facing from the centre of the player.
LightRay lightBeam = new LightRay(EntityPosition + new Vector2(RectEntityWidth / 2, RectEntityHeight / 2), EntityDirection, 200, grid);
BeamKillCopy(grid, lightBeam, addShadowCopies, shadowCopies); // If the beam intersects a shadow copy, remove it.
break;
case "frt":
intHealth = 1000; // If the player has a fruit, reset the player's health to 100.
strItem = null;
break;
}
}