/// <summary>
/// Given a level, adds it to this project.
/// </summary>
/// <param name="level">
/// The OgmoLevel to add.
/// </param>
/// <returns>
/// The level that was added.
/// </returns>
public OgmoLevel AddLevel(OgmoLevel level)
{
if (_levelLookup.ContainsKey(level.Name))
{
throw new ArgumentException($"A level with the name {level.Name} has already been added");
}
_levelLookup.Add(level.Name, level);
return(level);
}
protected override OgmoProject Read(ContentReader input, OgmoProject existinInstance)
{
// Initialize a new project instance.
OgmoProject project = new OgmoProject();
// Read the total number of layer definitions
int layerTypeCount = input.ReadInt32();
// Read each of the layer definitions
for (int i = 0; i < layerTypeCount; i++)
{
// Read the string for what type of layer this is
string layerTypeName = input.ReadString();
// Read the string for the name of the layer
string layerName = input.ReadString();
// Convert the string for the type of layer into the enum
OgmoLayerType layerType;
if (layerTypeName.Equals("tile", StringComparison.InvariantCultureIgnoreCase))
{
layerType = OgmoLayerType.Tile;
}
else if (layerTypeName.Equals("grid", StringComparison.InvariantCultureIgnoreCase))
{
layerType = OgmoLayerType.Grid;
}
else if (layerTypeName.Equals("decal", StringComparison.InvariantCultureIgnoreCase))
{
layerType = OgmoLayerType.Decal;
}
else if (layerTypeName.Equals("entity", StringComparison.InvariantCultureIgnoreCase))
{
layerType = OgmoLayerType.Entity;
}
else
{
throw new Exception($"Unknown layer type: '{layerTypeName}'");
}
// Add the layer definition to the lookup dictionary of the project
project.LayerTypeLookup.Add(layerName, layerType);
}
// Read the total number of tilesets that need to be processed
int tilesetCount = input.ReadInt32();
// Process each tileset
for (int tileSetIndex = 0; tileSetIndex < tilesetCount; tileSetIndex++)
{
// Read the name of the tileset
string tilesetName = input.ReadString();
// Read the image data of the tileset
string tileSetImageData = input.ReadString();
// Read the size of the tiles in the tileset. Read order is width then height
Size tilesetTileSize = new Size
{
Width = input.ReadInt32(),
Height = input.ReadInt32()
};
// Read the tileseperation values for the tileset. Read order is x then y.
Point tilesetTileSeperation = new Point
{
X = input.ReadInt32(),
Y = input.ReadInt32()
};
// Create a new Texture2D from the image data
Texture2D texture;
byte[] imageData = Convert.FromBase64String(tileSetImageData);
using (var stream = new MemoryStream(imageData))
{
texture = Texture2D.FromStream(Engine.Graphics.Device, stream);
}
// Create the tileset instance
OgmoTileset tileSet = new OgmoTileset(tilesetName, new VirtualTexture2D(texture), tilesetTileSize, tilesetTileSeperation);
// Add the tileset to the project
project.AddTileset(tileSet);
}
// Read the total number of levels that need to be processed
int levelCount = input.ReadInt32();
// Process each level and add them to the project
for (int i = 0; i < levelCount; i++)
{
// Read the name of the level
string levelName = input.ReadString();
// Read the level size. Order of read is width then height
Size levelSize = new Size()
{
Width = input.ReadInt32(),
Height = input.ReadInt32()
};
// Read the level offset. Order of read is x then y
Vector2 levelOffset = new Vector2
{
X = input.ReadInt32(),
Y = input.ReadInt32()
};
// Create a new level instance.
OgmoLevel level = new OgmoLevel(levelName, levelSize, levelOffset);
// Read the total number of layers for this level
int layerCount = input.ReadInt32();
// Read each layer and add it to the level
for (int layerIndex = 0; layerIndex < layerCount; layerIndex++)
{
// Read the type of layer. The value is an int and needs to be converted to enum
OgmoLayerType layerType = (OgmoLayerType)input.ReadInt32();
// Read the name of the layer
string layerName = input.ReadString();
// Read the x and y offset of the layer. Order of read is x and then y
Vector2 layerOffset = new Vector2
{
X = input.ReadInt32(),
Y = input.ReadInt32()
};
// Read the size of the grid cells. Order of read is width and then height
Size layerCellSize = new Size
{
Width = input.ReadInt32(),
Height = input.ReadInt32()
};
// Read the column count for the layer
int layerColumnCount = input.ReadInt32();
// Read the row count for the layer
int layerRowCount = input.ReadInt32();
// The next values that are read are dependent on the type of layer that is being processed
// in at this moment.
if (layerType == OgmoLayerType.Tile)
{
// Read the name of the tileset used for this layer
string tilesetName = input.ReadString();
// Read the total number of elements in the data array
int dataLength = input.ReadInt32();
// Read each of the data elements
int[] data = new int[dataLength];
for (int dataIndex = 0; dataIndex < dataLength; dataIndex++)
{
data[dataIndex] = input.ReadInt32();
}
// Read the export mode used
int exportMode = input.ReadInt32();
// Read the array mode used
int arrayMode = input.ReadInt32();
// Create a new OgmoTileLayer instance
OgmoTileLayer tileLayer = new OgmoTileLayer(layerName,
layerOffset,
layerCellSize,
layerRowCount,
layerColumnCount,
project.GetTileset(tilesetName),
data);
// Add the layer to the level
level.AddLayer(tileLayer);
}
else if (layerType == OgmoLayerType.Grid)
{
OgmoGridLayer gridLayer = new OgmoGridLayer(layerName, layerOffset, layerCellSize, layerRowCount, layerColumnCount);
level.AddLayer(gridLayer);
}
else if (layerType == OgmoLayerType.Decal)
{
OgmoDecalLayer gridLayer = new OgmoDecalLayer(layerName, layerOffset, layerCellSize, layerRowCount, layerColumnCount);
level.AddLayer(gridLayer);
}
else if (layerType == OgmoLayerType.Entity)
{
OgmoEntityLayer gridLayer = new OgmoEntityLayer(layerName, layerOffset, layerCellSize, layerRowCount, layerColumnCount);
level.AddLayer(gridLayer);
}
else
{
throw new Exception($"Unsupported layer type: '{layerType.ToString()}'");
}
}
// Add the level to the project
project.AddLevel(level);
}
// Return the project
return(project);
}