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[progcomp2013.git] / agents / java / Piece.java

diff --git a/agents/java/Piece.java b/agents/java/Piece.java
new file mode 100644 (file)
index 0000000..4650824
--- /dev/null
+++ b/agents/java/Piece.java
@@ -0,0 +1,77 @@
+/**
+ * @file Piece.java
+ * @purpose Represent Quantum Chess Piece
+ * @author Sam Moore ([email protected])
+ */
+
+
+
+/**
+ * @class Piece
+ * @purpose Represent a quantum chess piece
+ */
+public class Piece
+{
+               public enum Type {PAWN, BISHOP, KNIGHT, ROOK, QUEEN, KING, UNKNOWN};
+               public enum Colour {WHITE, BLACK};
+
+               public Piece(int new_x, int new_y, Colour new_colour, Type type1, Type type2)
+               {
+                       this.x = new_x;
+                       this.y = new_y;
+                       this.colour = new_colour;
+                       this.types = new Piece.Type[2];
+                       this.types[0] = type1;
+                       this.types[1] = type2;
+                       this.type_index = -1;
+               }
+
+               public Piece(Piece cpy)
+               {
+                       this.x = cpy.x;
+                       this.y = cpy.y;
+                       this.colour = cpy.colour;
+                       this.types[0] = cpy.types[0];
+                       this.types[1] = cpy.types[1];
+                       this.type_index = cpy.type_index;
+               }
+
+               public int x; 
+               public int y; // position of the piece
+               public Piece.Colour colour; // colour of the piece
+               public int type_index; // indicates state the piece is in; 0, 1, or -1 (unknown)
+               public Piece.Type[] types; // states of the piece
+               public Piece.Type current_type; // current state of the piece
+               
+               public static Piece.Type str2type(String str) throws Exception
+               {
+                       if (str.compareTo("king") == 0)
+                               return Piece.Type.KING;
+                       else if (str.compareTo("queen") == 0)
+                               return Piece.Type.QUEEN;
+                       else if (str.compareTo("rook") == 0)
+                               return Piece.Type.ROOK;
+                       else if (str.compareTo("bishop") == 0)
+                               return Piece.Type.BISHOP;
+                       else if (str.compareTo("knight") == 0)
+                               return Piece.Type.KNIGHT;
+                       else if (str.compareTo("pawn") == 0)
+                               return Piece.Type.PAWN;
+                       else if (str.compareTo("unknown") == 0)
+                               return Piece.Type.UNKNOWN;
+
+                       throw new Exception("Piece.str2type - string " + str + " isn't a valid type");
+                               
+               }
+               public static Piece.Colour str2colour(String str) throws Exception
+               {
+                       if (str.compareTo("white") == 0)
+                               return Piece.Colour.WHITE;
+                       else if (str.compareTo("black") == 0)
+                               return Piece.Colour.BLACK;
+                       
+
+                       throw new Exception("Piece.str2colour - string " + str + " isn't a valid colour");
+               }
+}
+