public DestructableTile(Tile tile, World world, int x, int y, float maxHealth, List<IDestructionEffect> destructionEffects)
: base(tile)
{
this.world = world;
this.x = x;
this.y = y;
this.maxHealth = maxHealth;
this.destructionEffects = destructionEffects;
}
public Tile(Tile other)
{
this.initialEdges = new bool[4];
other.InitialEdges.CopyTo(this.initialEdges, 0);
this.edges = new bool[4];
this.initialEdges.CopyTo(this.edges, 0);
this.textures = new SubTexture[other.Textures.GetLength(0), other.Textures.GetLength(1)];
for (int i = 0; i < other.Textures.GetLength(0); ++i)
for (int j = 0; j < other.Textures.GetLength(1); ++j)
this.textures[i,j] = other.Textures[i,j];
}
private XElement TileToXElement(Tile tile, Dictionary<string, int> sheetIndex)
{
// Empty tiles are represented as having -1 edges. (nonsense)
if (tile == null)
{
return new XElement("T", new XAttribute("e", -1));
}
// TODO: - add Type attribute (Solid, Empty, or Custom)
// and Top/Bottom/Left/RighEdge attributes when Type="Custom"
// - optimize for space/time so saving/loading isn't too slow.
// perhaps return a binary string (base64 or the like)
int power = 0;
int edges = 0;
// We save the InitialEdges and let the TileMap take care of the rest.
foreach (bool edge in tile.InitialEdges)
{
if (edge)
{
edges |= (int)Math.Pow(2, power);
}
++power;
}
XElement returnVal = new XElement("T", new XAttribute("e", edges));
int z = 0; // The index into the Tile.Textures array where this SubTexture belongs.
foreach (SubTexture sub in tile.Textures)
{
// Note: Texture2D.Name is useless normally, but the TextureService will
// automatically set the Name parameter to be the asset name so they can
// easily be retrieved.
// "z" attribute: the index into the tile's Textures[,] array. Converted to single int to save space.
// "s" attribute: the SubTextureSheet number to use. Each tilemap keeps a list of these.
// "i" attribute: the index into the SubTextureSheet representing a SubTexture of this tile.
if (sub != null)
{
returnVal.Add(new XElement("x", new XAttribute("z", z), new XAttribute("s", sheetIndex[sub.Sheet.Name]), new XAttribute("i", sub.Index)));
}
++z;
}
// Check for special types of tiles:
if (tile is DestructableTile)
returnVal.Add(new XAttribute("d", ((DestructableTile)tile).MaxHealth));
return returnVal;
}
private Tile TileFromXElement(XElement xelement, SubTextureSheet[] sheets, int x, int y, World world)
{
if (xelement.Attribute("e").Value == "-1")
{
return null;
}
Tile returnVal;
SubTexture[,] subTexturesArray = new SubTexture[layerCount, subLayerCount];
IEnumerable<XElement> subTextureElements = xelement.Descendants("x");
int i = 0, j = 0;
//int index = 0; // Was needed when changing format.
foreach( XElement subTextureElement in subTextureElements)
{
i = Int32.Parse(subTextureElement.Attribute("z").Value) / SubLayerCount;
j = Int32.Parse(subTextureElement.Attribute("z").Value) % SubLayerCount;
SubTexture subTex = new SubTexture(sheets[Int32.Parse(subTextureElement.Attribute("s").Value)], Int32.Parse(subTextureElement.Attribute("i").Value));
subTexturesArray[i, j] = subTex;
}
int edgeInt;
edgeInt = Int32.Parse(xelement.Attribute("e").Value);
bool[] edges = new bool[4];
for (int k = 0; k < 4; ++k)
{
edges[k] = (edgeInt & (int)Math.Pow(2, k)) != 0;
}
returnVal = new Tile(subTexturesArray, edges);
// Check for special tile types:
bool isDestructable = (from att in xelement.Attributes() where att.Name == "d" select att).Count() > 0;
if (isDestructable)
{
List<IDestructionEffect> effects = new List<IDestructionEffect>();
effects.Add(new ExplosionEffect());
effects.Add(new ShatterEffect());
returnVal = new DestructableTile(returnVal, world, x, y, float.Parse(xelement.Attribute("d").Value), effects);
}
return returnVal;
}
/// <summary>
/// Sets the tile at given x,y.
/// Automatically removes edges of adjacent tiles.
/// </summary>
public void SetTile(Tile tile, int x, int y)
{
// Prevent useless tiles from being added:
if (tile != null && tile.IsEmpty())
tile = null;
Tile above = y > 0 ? tiles[x, (y - 1)] : null;
Tile left = x > 0 ? tiles[(x - 1), y] : null;
Tile below = y < Height - 1 ? tiles[x, (y + 1)] : null;
Tile right = x < Width - 1 ? tiles[(x + 1), y] : null;
// We're "removing" a tile, so we restore
// adjacent tiles' adjacent edges to their initial values.
if (tile == null)
{
if (above != null)
above.BottomEdge = above.InitialBottomEdge;
if (left != null)
left.RightEdge = left.InitialRightEdge;
if (below != null)
below.TopEdge = below.InitialTopEdge;
if (right != null)
right.LeftEdge = right.InitialLeftEdge;
}
else
{
// Special edge cases (no pun intended):
if (x == 0) // left edge of the map
{
tile.LeftEdge = false;
}
else if (x == (Width - 1)) // right edge of the map
{
tile.RightEdge = false;
}
if (y == 0) // top edge of the map
{
tile.TopEdge = false;
}
else if (y == (Height - 1)) // bottom edge of the map
{
tile.BottomEdge = false;
}
// Else, we're adding a tile, so we clear all adjacent
// edges that we have solid edges for.
if (above != null)
{
if (tile.InitialTopEdge && above.InitialBottomEdge)
{
tile.TopEdge = false;
above.BottomEdge = false;
}
else
{
above.BottomEdge = above.InitialBottomEdge;
}
}
if (left != null)
{
if (tile.InitialLeftEdge && left.InitialRightEdge)
{
tile.LeftEdge = false;
left.RightEdge = false;
}
else
{
left.RightEdge = left.InitialRightEdge;
}
}
if (below != null)
{
if (tile.InitialBottomEdge && below.InitialTopEdge)
{
tile.BottomEdge = false;
below.TopEdge = false;
}
else
{
below.TopEdge = below.InitialTopEdge;
}
}
if (right != null)
{
if (tile.InitialRightEdge && right.InitialLeftEdge)
{
tile.RightEdge = false;
right.LeftEdge = false;
}
else
{
right.LeftEdge = right.InitialLeftEdge;
}
}
}
tiles[x, y] = tile;
}
public void SetSolid(bool solidOrNot, int x, int y)
{
if (tiles[x, y] != null)
{
tiles[x, y].SetSolid(solidOrNot);
}
else
{
tiles[x, y] = new Tile(layerCount, subLayerCount);
}
SetTile(tiles[x, y], x, y);
}
/// <summary>
/// Crop this tilemap down to the minimal size needed to contain all non-null tiles in it.
/// </summary>
/// <returns>A Rectangle which represents the cropping area, in tile-coordinates.</returns>
public Rectangle Minimize()
{
int xMin, xMax, yMin, yMax;
xMax = yMax = 0;
xMin = Width - 1;
yMin = Height - 1;
// Find the minimal and maximal tiles that aren't null:
for (int x = 0; x < Width; ++x)
{
for (int y = 0; y < Height; ++y)
{
if (tiles[x, y] != null)
{
if (x > xMax)
xMax = x;
if (x < xMin)
xMin = x;
if (y > yMax)
yMax = y;
if (y < yMin)
yMin = y;
}
}
}
// Create a new tilemap that will fit all of them:
Tile[,] newTiles = new Tile[xMax - xMin+1, yMax - yMin+1];
// And copy all tiles into the new array:
// NOTE: SetTile doesn't need to be used here because each tile's
// edge data should be the same since we're only cropping
// out nulls, which have no effect on edges.
for (int xOffset = 0; xOffset < newTiles.GetLength(0); ++xOffset)
{
for (int yOffset = 0; yOffset < newTiles.GetLength(1); ++yOffset)
{
newTiles[xOffset, yOffset] = this[xMin + xOffset, yMin + yOffset];
}
}
tiles = newTiles;
return new Rectangle(xMin, yMin, Width, Height);
}
/// <summary>
/// Set Textures[layerIndex, subLayerIndex] of all selected tiles to the SubTexture passed in.
/// </summary>
/// <param name="subTexture">The SubTexture to set the tiles to (null will clear the texture).</param>
/// <param name="layerIndex">The first index into each tile's Textures array; the layer index.</param>
/// <param name="subLayerIndex">The second index into each tile's Textures array; the sub-layer index.</param>
public void SetSubTexture(SubTexture subTexture, int layerIndex, int subLayerIndex)
{
foreach (int[] tileCoord in selectedTileCoordinates)
{
Tile tile = TileMap[tileCoord[0], tileCoord[1]];
if (tile == null)
{
// We have an empty tile...
if (subTexture != null)
{
// We need to make a new one to hold this subTexture
SubTexture[,] textures = new SubTexture[TileMap.LayerCount, TileMap.SubLayerCount];
textures[layerIndex, subLayerIndex] = subTexture;
tile = new Tile(textures); // TODO: set the edges to what the edge toggler says the tile's edges should be?
}
// Otherwise we do nothing.
}
else
{
// We have a non-empty tile, so we simply set it's subTexture directly:
tile.Textures[layerIndex, subLayerIndex] = subTexture;
}
// Finally, we set our tile so the tileMap's edges are properly updated.
TileMap.SetTile(tile, tileCoord[0], tileCoord[1]);
}
notifyTilePropertyComponents();
}
/// <summary>
/// Set all selected tile's edges to be the list of edges passed in.
/// A copy will be made so their edges aren't actually linked.
/// </summary>
/// <param name="edges"></param>
public void SetEdges(bool[] edges)
{
foreach (int[] tileCoord in selectedTileCoordinates)
{
Tile tile = TileMap[tileCoord[0], tileCoord[1]];
if (tile == null)
{
if (edges[0] || edges[1] || edges[2] || edges[3])
{
tile = new Tile(new SubTexture[TileMap.LayerCount, TileMap.SubLayerCount], edges);
}
}
else
{
edges.CopyTo(tile.InitialEdges, 0);
edges.CopyTo(tile.Edges, 0);
}
TileMap.SetTile(tile, tileCoord[0], tileCoord[1]);
}
notifyTilePropertyComponents();
}
/// <summary>
/// Set all selected tiles to being either destructable or non-destructable
/// based on the bool passed in.
/// </summary>
/// <param name="destructable">
/// Whether or not the tile is destructable; true if so, false if not. Duh.
/// </param>
public void SetDestructable(bool destructable)
{
foreach (int[] tileCoord in selectedTileCoordinates)
{
int x, y;
x = tileCoord[0];
y = tileCoord[1];
Tile tile = TileMap[x, y];
if (tile == null)
{
if (destructable)
{
tile = new Tile(new SubTexture[TileMap.LayerCount, TileMap.SubLayerCount],
new bool[] { false, false, false, false });
tile = new DestructableTile(tile, EditorScreen.World, tileCoord[0], tileCoord[1], 10.0f);
}
}
else if (tile is DestructableTile)
{
if (!destructable)
{
tile = new Tile(tile); // A plain-vanilla tile, we're only extracting the texture and edge data.
}
}
else
{
if (destructable)
{
tile = new DestructableTile(tile, EditorScreen.World, tileCoord[0], tileCoord[1], 10.0f);
}
}
TileMap.SetTile(tile, x, y);
}
notifyTilePropertyComponents();
}