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| author | Maksymilian Jopek <maks@jopek.eu> | 2023-02-28 15:44:44 +0100 |
|---|---|---|
| committer | Maksymilian Jopek <maks@jopek.eu> | 2023-04-13 14:29:47 +0200 |
| commit | f1c31316a12a76c9b9af4b40e605eb040d7dbd43 (patch) | |
| tree | 6019979099dba38e83de865462a19c2943156743 /battleshipFiles/battleshipUserFunctions.js | |
| download | battleship-f1c31316a12a76c9b9af4b40e605eb040d7dbd43.tar.gz battleship-f1c31316a12a76c9b9af4b40e605eb040d7dbd43.tar.zst battleship-f1c31316a12a76c9b9af4b40e605eb040d7dbd43.zip | |
v1.0.0
Diffstat (limited to 'battleshipFiles/battleshipUserFunctions.js')
| -rw-r--r-- | battleshipFiles/battleshipUserFunctions.js | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/battleshipFiles/battleshipUserFunctions.js b/battleshipFiles/battleshipUserFunctions.js new file mode 100644 index 0000000..86cb12f --- /dev/null +++ b/battleshipFiles/battleshipUserFunctions.js @@ -0,0 +1,97 @@ +function showUserShipPosition(givenTr, givenTrNumber, givenTd, givenTdNumber, player)
+{
+ // Preventing ability to place all ships on one td
+ window.vars.wasShipPlaced = false;
+
+ if(givenTr == null)
+ {
+ if(typeof window.vars.givenTr === "undefined")
+ throw "window.vars.givenTr === undefined";
+ }
+ else
+ {
+ window.vars.givenTr = givenTr;
+ window.vars.givenTd = givenTd;
+ window.vars.givenTrNumber = givenTrNumber;
+ window.vars.givenTdNumber = givenTdNumber;
+ }
+
+ let ship = window.vars.selectedShip.children.length;
+ let newShip = ship;
+
+ if(window.vars.selectedTd === undefined)
+ window.vars.selectedTd = new Array(MAP_SIZE);
+
+ clearUserShipPosition();
+
+ let color;
+ if(checkPositionForShip(givenTrNumber + 1, givenTdNumber + 1, window.vars.shipDirection, ship, player))
+ {
+ color = "bg-success";
+ window.vars.isPlaceable = true;
+ //givenTd.onclick = () => putShipOnGameMap(player, givenTdNumber + 1, givenTrNumber + 1, window.vars.shipDirection, ship, true);
+ }
+ else
+ {
+ color = "bg-danger";
+ window.vars.isPlaceable = false;
+ }
+
+ if(window.vars.shipDirection === "vertically")
+ {
+ if(ship + givenTrNumber > MAP_SIZE)
+ newShip = MAP_SIZE - givenTrNumber;
+
+ for(let i = givenTrNumber - (ship - newShip); i < givenTrNumber + newShip; i++)
+ {
+ let td = givenTr.parentNode.children[i].children[givenTdNumber];
+ window.vars.selectedTd[i] = [td, td.className];
+ td.className = color;
+ }
+ }
+ else if(window.vars.shipDirection === "horizontally")
+ {
+ if(ship + givenTdNumber > MAP_SIZE)
+ newShip = MAP_SIZE - givenTdNumber;
+
+ for(let i = givenTdNumber - (ship - newShip); i < givenTdNumber + newShip; i++)
+ {
+ window.vars.selectedTd[i] = [givenTr.children[i], givenTr.children[i].className];
+ givenTr.children[i].className = color;
+ }
+ }
+ // }
+}
+
+function clearUserShipPosition()
+{
+ // Clear selection from table, used with onMouseLeave
+ window.vars.selectedTd.forEach(oldTd => {
+ if(oldTd !== undefined)
+ oldTd[0].className = oldTd[1];
+ });
+}
+
+function checkPositionForShip(x, y, direction, ship, player)
+{
+ // Changing x and y to match them with start of ship shown with onmouseenter
+ [x, y] = correctXY(x, y, ship, direction);
+
+ if(direction === "vertically")
+ {
+ for(let i = -1; i <= ship; i++)
+ for(let j = -1; j < 2; j++)
+ if(player.gameMap[x + i][y + j] === 1 || player.gameMap[x + i][y + j] === -1)
+ return false;
+ }
+ else if(direction === "horizontally")
+ {
+ for(let i = -1; i <= ship; i++)
+ for(let j = -1; j < 2; j++)
+ if(player.gameMap[x + j][y + i] === 1 || player.gameMap[x + j][y + i] === -1)
+ return false;
+ }
+
+ return true;
+}
+
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