const MAPDATA_FLAG_NONE         := 0x0000;     // Nothing
const MAPDATA_FLAG_MOVELAND     := 0x0001;     // Move Land
const MAPDATA_FLAG_MOVESEA      := 0x0002;     // Move Sea
const MAPDATA_FLAG_BLOCKSIGHT   := 0x0004;     // Block Sight
const MAPDATA_FLAG_OVERFLIGHT   := 0x0008;     // Over Flight (gargoyle flying)
const MAPDATA_FLAG_ALLOWDROPON  := 0x0010;     // Allow DropOn
const MAPDATA_FLAG_GRADUAL      := 0x0020;     // Gradual
const MAPDATA_FLAG_BLOCKING     := 0x0040;     // Blocking
const MAPDATA_FLAG_MORE_SOLIDS  := 0x0080;     // List more Solids

const MAPDATA_FLAG_WALKBLOCK    := 0x0057;     // Move Land, Move Sea, Blocking, Block Sight, Allow DropOn
const MAPDATA_FLAG_MOVE_FLAGS   := 0x0063;     // Move Land, Move Sea, Blocking, Gradual
const MAPDATA_FLAG_DROP_FLAGS   := 0x0050;     // Blocking, Allow DropOn
const MAPDATA_FLAG_ALL          := 0xffffffff; // All