Each line represents a block:
x,y,z,block_id
x, y, z: Integer coordinates (x,z horizontal; y vertical).block_id: Block type ID (e.g., 1=Grass, 2=Stone).To load via URL:
;).?mdata= parameter.Example URL:
...?mdata=0%2C0%2C0%2C1%3B0%2C1%2C0%2C2
Lines starting with # are comments and will be ignored.