ChessFen class

A snapshot of game


ChessFen([String fenStr = initFen])
Constructor by a fenstr


deductions List<ChessFen>
fen String
get current fenstr
getter/setter pair
hashCode int
The hash code for this object.
no setterinherited
runtimeType Type
A representation of the runtime type of the object.
no setterinherited


clearFen() → void
force refresh fenstr(usually after batch of moves)
copy() ChessFen
A copy of current situation
find(String matchCode) ChessPos?
Find a chess by a type code
findAll(String matchCode) List<ChessPos>
Find all chess of a type code
findByCol(int col, [int? min, int? max]) List<ChessItem>
Find item in a col
getAll() List<ChessItem>
Get all valid items of this situation
getAllChr() String
Get all valid item code
getDieChr() String
Get item is dead
hasItemAt(ChessPos pos, {int team = -1}) bool
Whether there is a valid item at pos
itemAt(String pos) String
Get piece at the string position code
itemAtPos(ChessPos pos) String
Get item from a ChessPos
move(String move) bool
Move then change the game situation
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
position() ChessFen
posSort(ChessPos key1, ChessPos key2) int
Sort pos
toChineseString(String move) String
Translate a move to chinese
toChineseTree(List<String> moves) List<String>
A list of moves to chinese
toPositionString(int team, String move) String
Translate a move to positional representation
toString() String
A string representation of this object.


operator ==(Object other) bool
The equality operator.
operator [](int key) ChessFenRow
Get row
operator []=(int key, ChessFenRow value) → void
Set row

Static Methods

getChineseResult(String result) String
Result of chinese


colBlack → const List<String>
black codes
colIndexBase → const int
for col index
colRed → const List<String>
col name of red team
emptyFen → const String
Initialize chess layout
initFen → const String
Initialize chess layout
nameBlackMap → const Map<String, String>
map black code to chinese
nameMap → const Map<String, String>
map chinese chess to code
nameRedMap → const Map<String, String>
map red code to chinese
replaceNumber → const List<String>
chinese numbers