// Visionire JSON Map Format Specification
// Modified: 2011/02/21

MAP ::= {
    "id":int ID, // Unique map identifier.
    "name":string NAME, // Human-readable name displayed in client.
    "offset":[ int LEFT, int TOP ], // Offset in absolute world coordinates.
    "size":[ int WIDTH, int HEIGHT ], // Width and height in tiles.
    "tilesets":[ TILESET, TILESET, TILESET, ... ], // List of source tilesets.
    "data":[ COLUMN(1), COLUMN(2), COLUMN(3) ... COLUMN(WIDTH) ] // 2D array of tile data.
}

TILESET ::= {
    "source": string SOURCE, // Linked resource indicator.
    "offset": int OFFSET // Offset of relative tile graphic references in absolute number-space.
}

COLUMN(n) ::= [ TILE(1), TILE(2), ... TILE(HEIGHT) ] // 1D array of tile data.

TILE(n) ::= {
    "path": bool PATHABLE, // If true, the tile can be walked on; if false, it is impassable.
    "face":[ int TEXTURE, int TEXTURE, int TEXTURE, ... ] // Z-ordered stack of tile graphic references.
}