diff options
Diffstat (limited to '')
| -rw-r--r-- | index.js | 79 |
1 files changed, 77 insertions, 2 deletions
@@ -127,6 +127,8 @@ let CW = function(){ moveCursor(x, y); // Remove the letter from the placed array placed.splice(n, 1); + // update the validate button + document.getElementById("validate").disabled = !isValidPlay(); } function moveFromRackToBoard(src, x, y) { @@ -156,6 +158,81 @@ let CW = function(){ } // advance the cursor moveCursorForwardIfPossible(); + // update the validate button + document.getElementById("validate").disabled = !isValidPlay(); + } + + function isValidPlay() { + // special case of no letters placed + if (placed.length === 0) { + return false; + } + // common definitions + let connected = false; + let x = placed[0].x; + let y = placed[0].y; + const lastx = placed[placed.length-1].x; + const lasty = placed[placed.length-1].y; + if (y>0) { // we check if we are connected above the first letter + connected ||= CWDATA.board[y-1][x] != ""; + } + if (x>0) { // we check if we are connected on the left of the first letter + connected ||= CWDATA.board[y][x-1] != ""; + } + // check if the placed letters are aligned and complete connection checks on the first and last letters + let direction = undefined; + if (x === lastx) { + direction = "down"; + if (x<14) { // we are going down so we check for a connection on the right of the first letter + connected ||= CWDATA.board[y][x+1] != ""; + } + if (lasty<14) { // we check bellow the last letter + connected ||= CWDATA.board[lasty+1][x] != ""; + } + } + if (y === lasty) { + direction = "right"; + if (lastx<14) { // we are going right so we check for a connection bellow the first letter + connected ||= CWDATA.board[y+1][x] != ""; + } + if (lastx<14) { // we check on the right of the last letter + connected ||= CWDATA.board[y][lastx+1] != ""; + } + } + // Now we check around the placed letters + let i=1; + while(i<placed.length && !(x === lastx && y === lasty)) { + if (direction === "down") { + y++; + } else { + x++; + } + if (placed[i].x === x && placed[i].y === y) { + // check around this letter + if (direction === "down") { + if (x > 0) { // we check for connection on the left + connected ||= CWDATA.board[y][x-1] != ""; + } + if (x < 14) { // we check for connection on the right + connected ||= CWDATA.board[y][x+1] != ""; + } + } else { + if (y>0) { // we check for connection on top + connected ||= CWDATA.board[y-1][x] != ""; + } + if (y < 14) { // we check for connection bellow + connected ||= CWDATA.board[y+1][x] != ""; + } + } + i++; + } else { + if (CWDATA.board[y][x] === "") { + break; + } + connected = true; + } + } + return connected && i === placed.length; } return { @@ -198,8 +275,6 @@ let CW = function(){ } elt.onclick = makeRackTileOnClick(x); } - // initialize buttons - document.getElementById("validate").disabled = true; // populate remaining letters let remaining_letters = [ "Lettres restantes: ", total_remaining_letters, "<br>" ]; let first = true; |