Added initial board and player interfaces.

Mazebuilder/src/com/mazebuilder/gameplay/Board.java

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+package com.mazebuilder.gameplay;
+
+public interface Board {
+
+	/** Number of tiles in the horizontal board direction. **/
+	int tilesAcross();
+
+	/** Number of tiles in the vertical board direction. **/
+	int tilesDown();
+
+	/** Returns the location of the given player. Uses identity (==) comparisons. **/
+	Location getPlayerLocation(Player p);
+
+	/**
+	 * Returns the new location of the given player. Will return the same location if the move is impossible.
+	 * Does not jump walls. Uses identity (==) comparisons.
+	 **/
+	Location movePlayer(Player p, Direction d);
+
+	/**
+     * Returns the new location of the given player. Will return the same location if the move is impossible (player cannot jump or no wall to jump).
+     * Uses identity (==) comparisons.
+     **/
+	Location jumpPlayer(Player p, Direction d, Direction... bonusesToSpend);
+
+	/**
+	 * Sets a wall on the given tile, in the direction given. Returns true if the wall was successfully set, false otherwise (if a wall is already there).
+	 */
+	boolean setWall(Location l, Direction d);
+
+}

Mazebuilder/src/com/mazebuilder/gameplay/Direction.java

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+package com.mazebuilder.gameplay;
+
+public enum Direction {
+
+    LEFT(1),
+    UP(2),
+    RIGHT(4),
+    DOWN(8);
+
+    private int value;
+
+    private Direction(int value) {
+        this.value = value;
+    }
+
+    public int value() {
+        return value;
+    }
+
+}

Mazebuilder/src/com/mazebuilder/gameplay/Location.java

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+package com.mazebuilder.gameplay;
+
+import com.mazebuilder.renderer.BoardRendererOptions;
+
+public interface Location {
+
+	int getRow();
+
+	int getColumn();
+
+	int toPixelX(BoardRendererOptions b);
+
+	int toPixelY(BoardRendererOptions b);
+
+}

Mazebuilder/src/com/mazebuilder/gameplay/Player.java

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+package com.mazebuilder.gameplay;
+
+import com.google.common.collect.Multiset;
+
+public interface Player {
+
+	String getName();
+
+	boolean canJump();
+
+	/** Should be called every turn -- will handle matters such as drawing movement bonuses etc. **/
+	boolean executeTurn();
+
+    /** Returns the set of bonuses for the player. **/
+    Multiset<Direction> getBonuses();
+
+    /** Returns the number of bonuses the player needs to spend to jump a wall **/
+    int bonusesToJump();
+
+    /** Removes a bonus from the player. **/
+    boolean spendBonus(Direction d);
+
+}

Mazebuilder/src/com/mazebuilder/renderer/BoardRendererOptions.java

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+package com.mazebuilder.renderer;
+
+public interface BoardRendererOptions {
+
+	int tileHeight();
+
+	int tileWidth();
+
+	int wallHeight();
+
+	int wallWidth();
+
+}