public TextureAtlas(TextureAtlas copy)
{
Size = copy.Size;
_canvas = new Image(copy._canvas);
Texture = new Texture(_canvas);
Sources = new IntRect[copy.Sources.Length];
copy.Sources.CopyTo(Sources, 0);
}
public FastTextureAtlas(TextureAtlas atlas)
{
TextureAtlas = atlas;
_atlas = new Sprite(TextureAtlas.Texture);
RenderTexture = new RenderTexture(atlas.Size, atlas.Size);
RenderTexture.Draw(_atlas);
RenderTexture.Display();
_replace = new RenderStates(BlendMode.None, Transform.Identity, null, null);
}
static MapEngineHandler()
{
_tileanims = new List<TileAnimHandler>();
_tileatlas = new TextureAtlas(1024);
_triggers = new List<Entity>();
_scripts = new FunctionScript[6];
_defscripts = new FunctionScript[6];
_delayscripts = new List<DelayScript>();
}
// TODO: create method to rewrite a single tile rather than the whole layer.
public void UpdateVertexLayer(int layer, TextureAtlas atlas)
{
Layer l = Layers[layer];
int tw = Tileset.TileWidth;
int th = Tileset.TileHeight;
int size = l.Width * l.Height * 4;
Vertex[] lverts = new Vertex[size];
Vector2f loc1 = new Vector2f(0, 0);
Vector2f loc2 = new Vector2f(tw, 0);
Vector2f loc3 = new Vector2f(tw, th);
Vector2f loc4 = new Vector2f(0, th);
for (var i = 0; i < lverts.Length; i += 4)
{
int tile = l.GetTile((int)loc1.X / tw, (int)loc1.Y / th);
if (tile >= 0)
{
IntRect source = atlas.Sources[tile];
int w = source.Left + source.Width;
int h = source.Top + source.Height;
lverts[i + 0] = new Vertex(loc1, new Vector2f(source.Left, source.Top));
lverts[i + 1] = new Vertex(loc2, new Vector2f(w, source.Top));
lverts[i + 2] = new Vertex(loc3, new Vector2f(w, h));
lverts[i + 3] = new Vertex(loc4, new Vector2f(source.Left, h));
}
loc1.X += tw;
loc2.X += tw;
loc3.X += tw;
loc4.X += tw;
if (loc1.X == l.Width * tw)
{
loc1.Y += th;
loc2.Y += th;
loc3.Y += th;
loc4.Y += th;
loc1.X = loc4.X = 0;
loc2.X = loc3.X = tw;
}
}
_vertex_layers[layer] = lverts;
}
/// <summary>
/// Compiles the map into a texture-coordinated vertex array & render states.
/// </summary>
/// <returns>The tile map.</returns>
/// <param name="tileatlas">The tileatlas to get tex-coords from use.</param>
public Tuple<List<Vertex[]>, RenderStates> GetTileMap(TextureAtlas atlas)
{
_states.Texture = atlas.Texture;
for (int i = 0; i < Layers.Count; ++i)
UpdateVertexLayer(i, atlas);
return new Tuple<List<Vertex[]>, RenderStates>(_vertex_layers, _states);
}
private void ConstructTextureAtlas(Image[] list)
{
if (TextureAtlas == null)
TextureAtlas = new TextureAtlas(1024);
TextureAtlas.Update(list);
}