File indexing completed on 2024-05-05 04:04:03

 /*
  * Copyright (c) 2018 Sune Vuorela <sune@vuorela.dk>
  *
  * Permission is hereby granted, free of charge, to any person
  * obtaining a copy of this software and associated documentation
  * files (the "Software"), to deal in the Software without
  * restriction, including without limitation the rights to use,
  * copy, modify, merge, publish, distribute, sublicense, and/or sell
  * copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following
  * conditions:
  *
  * The above copyright notice and this permission notice shall be
  * included in all copies or substantial portions of the Software.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  * OTHER DEALINGS IN THE SOFTWARE.
  */
 
 
 // checks if a board is all colored the same
 function checkWin(board) {
     var firstColor = board[0][0];
     var count = board.length;
     for(var i = 0 ; i < count ; i++) {
         for(var j = 0 ; j < count ; j++) {
             if (board[i][j] !== firstColor) {
                 return false
             }
         }
     }
     return true
 }
 
 // gather the neighbor points from a given point, if they exist within the max.
 // helper function for 'fill'
 function gatherNeighbors(point, max) {
     var n = []
     if (point.x > 0) {
         n.push(Qt.point(point.x - 1, point.y))
     }
     if (point.x < max) {
         n.push(Qt.point(point.x + 1, point.y))
     }
     if (point.y > 0) {
         n.push(Qt.point(point.x, point.y - 1))
     }
     if (point.y < max) {
         n.push(Qt.point(point.x, point.y + 1))
     }
     return n
 }
 
 // flood fills the board with the given color starting from 0,0
 function fill(color,board) {
     var frontier = [Qt.point(0,0)]
     var originalColor = board[0][0]
     if (originalColor == color) {
         return false
     }
     var seen = []
     while (frontier.length > 0 ) {
         var current = frontier.pop()
         seen.push(current)
         if (board[current.x][current.y] !== originalColor) {
             continue
         }
         board[current.x][current.y] = color
         var neighbors = gatherNeighbors(current, board.length -1)
         while (neighbors.length > 0) {
             var neighbor = neighbors.pop()
             var found = false
             for(var i = 0 ; i < seen.length; i++) {
                 if (seen[i].x === neighbor.x && seen[i].y === neighbor.y) {
                     found = true
                     break
                 }
             }
             if (!found) {
                 for(var i = 0 ; i < frontier.length; i++) {
                     if (frontier[i].x === neighbor.x && frontier[i].y === neighbor.y) {
                         found = true
                         break
                     }
                 }
             }
             if (!found) {
                 frontier.push(neighbor)
             }
         }
     }
     return true;
 }
 
 // initializes a board with random colors from color list
 function createBoard(count, colorList) {
     var board = []
     for(var i = 0 ; i < count ; i++) {
         var lane = []
         for(var j = 0 ; j < count ; j++) {
             lane.push(colorList[Math.floor(Math.random() * colorList.length)])
         }
         board.push(lane)
     }
     return board
 }