private void LoadTileSets(string path)
{
m_TmxMap = new TmxMap(path);
int mapWidth = m_TmxMap.Width;
int mapHeight = m_TmxMap.Height;
int tileWidth = m_TmxMap.TileWidth;
int tileHeight = m_TmxMap.TileHeight;
int tileSetCount = m_TmxMap.Tilesets.Count;
m_Tilemap.Rows = (ushort)mapHeight;
m_Tilemap.Columns = (ushort)mapWidth;
for (int i = 0; i < tileSetCount; i++)
{
TmxTileset tileSet = m_TmxMap.Tilesets[i];
int imageWidth = tileSet.Image.Width.Value;
int imageHeight = tileSet.Image.Height.Value;
int columns = tileSet.Columns.Value;
int rows = tileSet.TileCount.Value / columns;
string tileSetSource = tileSet.Image.Source;
int firstGID = tileSet.FirstGid;
float rowOffset = tileSet.TileHeight / (float)imageHeight;
float columnOffset = tileSet.TileWidth / (float)imageWidth;
//TODO: Texture Test
m_TextureTest = TextureUtils.LoadTexture_PNG(tileSetSource, imageWidth, imageHeight, false, TextureFormat.ARGB32, true);
//MAPPING UV COORDINATES and RECT TO GID
//Starts from Top-Left Corner of the TileSet which is the First GId
//and then proceeds to the Bottom-Right Corner of the tileSet
int Gid = firstGID;
int key = 0;
Dictionary <int, TmxTilesetTile> m_TmxTiles = tileSet.Tiles;
for (int y = rows - 1; y >= 0; y--)
{
for (int x = 0; x < columns; x++)
{
Vector2 bottomLeft = new Vector2(x * columnOffset, y * rowOffset);
Vector2 topLeft = new Vector2(x * columnOffset, (y + 1) * rowOffset);
Vector2 bottomRight = new Vector2((x + 1) * columnOffset, y * rowOffset);
Vector2 topRight = new Vector2((x + 1) * columnOffset, (y + 1) * rowOffset);
//TODO:! Save FrameData According to Texture Atlas
FrameData m_FrameData = new FrameData(new Vector2[] { bottomLeft, topLeft, bottomRight, topRight },
new Rect(x * columnOffset, y * rowOffset, columnOffset, rowOffset));
m_GidToFrameData.Add(Gid, m_FrameData);
m_GidToPenalty.Add(Gid, (short)int.Parse(m_TmxTiles[key].Properties["Penalty"]));
Gid += 1;
key += 1;
}
}
m_TmxTiles = null;
//MAPPING ANIMATION FRAMES TO GID
//Starts from Zero => So both Tile ID and frame.Id is GID - 1
//Only GIDs start from 1
if (tileSet.Tiles.Keys != null)
{
int[] keys = tileSet.Tiles.Keys.ToArray();
for (int j = 0; j < keys.Length; j++)
{
int frameCount = tileSet.Tiles[keys[j]].AnimationFrames.Count;
if (frameCount > 0)
{
int baseGID = tileSet.Tiles[keys[j]].Id + 1;
int currentFrame = 0;
KeyFrame[] m_KeyFrames = new KeyFrame[frameCount];
var animationFrames = tileSet.Tiles[keys[j]].AnimationFrames;
foreach (var frame in animationFrames)
{
m_KeyFrames[currentFrame] = new KeyFrame(m_GidToFrameData[frame.Id + 1], (ushort)frame.Duration);
currentFrame += 1;
}
m_BaseGidToAnimation.Add(baseGID, new FrameAnimation(m_KeyFrames));
}
}
}
tileSet = null;
}
}
public TileEngine(int mapWidth, int mapHeight, Collection <TmxLayerTile> tiles, TmxTileset tileset, TmxList <TmxObjectGroup> objectGroups)
{
Map = new byte[mapWidth, mapHeight];
foreach (var tile in tiles)
{
Map[tile.X, tile.Y] = (byte)tile.Gid;
}
TilesetName = tileset.Name;
TileWidth = tileset.TileWidth;
TileHeight = tileset.TileHeight;
TileMapTilesWide = mapWidth;
TileMapTilesHigh = mapHeight;
CollidableGids = new List <int>();
foreach (var tile in tileset.Tiles)
{
if (tile.Value.ObjectGroups != null)
{
CollidableGids.Add(tile.Value.Id);
}
}
}
public void Build()
{
Dictionary <string, List <Vertex> > vertices = new Dictionary <string, List <Vertex> >();
foreach (var tile in layer.Tiles)
{
if (tile.Gid == 0)
{
continue;
}
// Find the corresponding tileset
TmxTileset tileset = null;
foreach (var ts in map.Tilesets)
{
if (tile.Gid >= ts.FirstGid && tile.Gid < ts.FirstGid + ts.TileCount)
{
tileset = ts;
break;
}
}
if (tileset == null)
{
continue;
}
if (!vertices.ContainsKey(tileset.Image.Source))
{
vertices.Add(tileset.Image.Source, new List <Vertex>());
}
var vertexList = vertices[tileset.Image.Source];
// Prepare the vertices
Vertex tl = new Vertex(new Vector2f((float)(layer.OffsetX ?? 0) + tile.X * tileset.TileWidth, (float)(layer.OffsetY ?? 0) + tile.Y * tileset.TileHeight));
Vertex bl = new Vertex(new Vector2f(tl.Position.X, tl.Position.Y + tileset.TileHeight));
Vertex br = new Vertex(new Vector2f(tl.Position.X + tileset.TileWidth, tl.Position.Y + tileset.TileHeight));
Vertex tr = new Vertex(new Vector2f(tl.Position.X + tileset.TileWidth, tl.Position.Y));
// Find the tile in the tileset
int lid = tile.Gid - tileset.FirstGid;
TmxTilesetTile tsTile = null;
foreach (var tsTileCheck in tileset.Tiles)
{
if (tsTileCheck.Id == lid)
{
tsTile = tsTileCheck;
break;
}
}
// Do animations
if (tsTile != null && tsTile.AnimationFrames != null && tsTile.AnimationFrames.Count != 0)
{
var anim = new AnimIndex();
anim.whichTex = tileset.Image.Source;
anim.vertexOffset = vertexList.Count;
anim.tile = tile;
anim.tileset = tileset;
anim.tsTile = tsTile;
anim.animInfo = tsTile.AnimationFrames;
anims.Add(anim);
lid = GetAnimationFrame(tsTile.AnimationFrames);
}
// Do texture coordinates
UpdateTexCoords(tile, tileset, lid, ref tl, ref bl, ref br, ref tr);
// Add vertices to the layer for rendering
vertexList.Add(tl);
vertexList.Add(bl);
vertexList.Add(br);
vertexList.Add(tr);
}
this.vertices.Clear();
foreach (var vertexList in vertices)
{
this.vertices.Add(vertexList.Key, vertexList.Value.ToArray());
}
}
public Tileset(TmxTileset tileset)
{
_tileset = tileset;
_tilesAcross = _tileset.Image.Width / _tileset.TileWidth;
_tilesDown = _tileset.Image.Height / _tileset.TileHeight;
}
// Get the frame of a tile relative to its tileset
public static int GetTileFrame(int tileGid, TmxTileset tileset)
{
return(tileGid - tileset.FirstGid);
}
/// <summary>
/// Draw the map using the specified renderer.
/// </summary>
/// <param name="renderer">The renderer to use to draw the map.</param>
public override void Render(Renderer renderer)
{
// Flush the buffer.
renderer.RenderFlush();
// Check if anything is loaded.
if (TiledMap == null || !_loaded)
{
return;
}
// layer - The map layer currently drawing.
// t - The tile currently drawing from [layer].
// tId - The id of the tile within all tilesets combined.
// tRect - The location [t] should be drawn to.
// ts - The tileset of [t].
// tsId - The id of [ts] within the collection.
// tsOffset - The [tId] within the scope of the current tileset. An id and image within the map containing the ti.
// ti - The tile image, within the [ts] which represents the image of [tsOffset].
// tiUv - The rectangle where the [ti] is located within the [ts] texture.
// Go through all map layers.
foreach (TmxLayer layer in TiledMap.Layers)
{
// Skip the layer if not visible.
if (!layer.Visible)
{
continue;
}
// Go through all tiles on the layer.
for (int t = 0; t < layer.Tiles.Count; t++)
{
// Get the id of the tile.
int tId = layer.Tiles[t].Gid;
// If the tile is empty skip it.
if (tId == 0)
{
continue;
}
// Find which tileset the tId belongs in.
Rectangle tiUv = GetUvFromTileImageId(tId, out int tsId);
TmxTileset ts = TiledMap.Tilesets[tsId];
// Get tile properties.
int tX = t % TiledMap.Width * TiledMap.TileWidth;
int tY = (int)((float)Math.Floor(t / (double)TiledMap.Width) * TiledMap.TileHeight);
// Get the location of the tile.
Rectangle tRect = new Rectangle(tX, tY, ts.TileWidth, ts.TileHeight);
// Modify for map size.
float ratioDifferenceX = Width / (TiledMap.TileWidth * TiledMap.Width);
float ratioDifferenceY = Height / (TiledMap.TileHeight * TiledMap.Height);
tRect.Width *= ratioDifferenceX;
tRect.Height *= ratioDifferenceY;
tRect.X *= ratioDifferenceX;
tRect.Y *= ratioDifferenceY;
// Check if visible rectangle exists.
renderer.RenderQueue(tRect.LocationZ(0), tRect.Size, new Color(255, 255, 255, (int)(layer.Opacity * 255)), Tilesets[tsId], tiUv);
}
}
// Flush the rendered tiles.
renderer.RenderFlush();
}