Fixed a bug with the pawn were it could not start jump if there was a piece infront of where it would land. Also added a blue border around selected piece to move.

Author: KrishWu

GUI.py

@@ -68,6 +68,15 @@ def place_board(boardyy):
                         win.blit(bKing, find_loc(y, x))
                 pygame.display.update()
 
+def draw_cursor(x,y):
+    fx, fy = find_loc(x, y)
+    fx -= 5
+    fy -= 5
+    pygame.draw.line(win, pygame.Color(39, 235, 242), (fx, fy), (fx+110, fy), 5)
+    pygame.draw.line(win, pygame.Color(39, 235, 242), (fx+110, fy), (fx + 110, fy+110), 5)
+    pygame.draw.line(win, pygame.Color(39, 235, 242), (fx + 110, fy+110), (fx, fy + 110), 5)
+    pygame.draw.line(win, pygame.Color(39, 235, 242), (fx, fy + 110), (fx, fy), 5)
+
 def show_text(text):
     green = (0, 255, 0)
     blue = (0, 0, 128)

main.py

@@ -62,7 +62,10 @@ def main_gui(self):
                         start = pygame.mouse.get_pos()
                         sx = start[0]//111
                         sy = start[1]//111
-                        clicks += 1
+                        if not isinstance(self.boardy.board[sy][sx], EmptySpace):
+                            clicks += 1
+                            draw_cursor(sx, sy)
+                            pygame.display.update()
                     else:
                         end = pygame.mouse.get_pos()
                         ex = end[0] // 111

pieces.py

@@ -57,16 +57,16 @@ def isMoveValid(self, board, start, end):
             # Check for start move
             if bStart.side < 0:
                 if sy + 2 == ey and sx == ex and sy == 1:
-                    if isinstance(board[ey + 1][ex], EmptySpace):
+                    if isinstance(board[sy + 1][sx], EmptySpace):
                         return True
             if bStart.side > 0:
                 if sy - 2 == ey and sx == ex and sy == 6:
-                    if isinstance(board[ey - 1][ex], EmptySpace):
+                    if isinstance(board[sy - 1][sx], EmptySpace):
                         return True
             # Check for normal move
             if sx == ex and ey == sy - bStart.side and bEnd.side == 0:
                 return True
-            raise MoveException(None, "The pawn had an invalid move.")
+            raise MoveException(None, "The pawn had an invalid start move.")
         # Check for attack
         elif bStart.side * bEnd.side < 0:
             if bStart.side < 0 and sy + 1 == ey and abs(ex - sx) == 1: