/// <summary>
/// 인자로 주어진 플레이어가 잡아야 하는 목표의 번호 리스트를 반환합니다.
/// 잘못된 입력이 주어지지 않는다면, 반환되는 리스트의 크기는 2입니다.
/// </summary>
/// <param name="playerIndex">플레이어 번호</param>
/// <returns></returns>
public List <int> GetTarget(int playerIndex)
{
if (playerIndex < 0 || playerIndex >= 5 || playerPermutation.Count != 5 || elementPermutation.Count != 5)
{
return(null);
}
List <int> t = new List <int>();
int i = elementPermutation.IndexOf(GetPlayerElement(playerIndex));
switch (i)
{
case 0:
t.Add(playerPermutation[elementPermutation[1]]);
t.Add(playerPermutation[elementPermutation[2]]);
break;
case 1:
t.Add(playerPermutation[elementPermutation[2]]);
t.Add(playerPermutation[elementPermutation[4]]);
break;
case 2:
t.Add(playerPermutation[elementPermutation[3]]);
t.Add(playerPermutation[elementPermutation[1]]);
break;
case 3:
t.Add(playerPermutation[elementPermutation[4]]);
t.Add(playerPermutation[elementPermutation[0]]);
break;
case 4:
t.Add(playerPermutation[elementPermutation[0]]);
t.Add(playerPermutation[elementPermutation[3]]);
break;
}
return(t);
}
//Called by commands from clients to process key input
public void SendInput(KeyCode input, NetworkIdentity playerId)
{
if (!isServer)
{
return;
}
//Finds the player's data by cross-ref the playerId with the list of player id's
int playerDataId = (int)playerId.netId.Value;
int playerIndex = players.IndexOf(playerDataId);
PlayerData inputSourceData = playerData.GetItem(playerIndex);
//Creates a vector to represent intended move direction of player
Vector2 moveDirection = Vector2.zero;
if (input == KeyCode.W)
{
moveDirection = Vector2.down;
}
else if (input == KeyCode.A)
{
moveDirection = Vector2.left;
}
else if (input == KeyCode.S)
{
moveDirection = Vector2.up;
}
else if (input == KeyCode.D)
{
moveDirection = Vector2.right;
}
Vector2 playerHeadPos = new Vector2(inputSourceData.x, inputSourceData.y);
Cell currHeadCell = data.GetMostCurrentCell(playerHeadPos);
//Calculate movement if input is movement
if (moveDirection != Vector2.zero)
{
Cell targetCell = data.GetMostCurrentCell(playerHeadPos + moveDirection);
if (!targetCell.obstacle && !targetCell.occupied)
{
//Make all the cell updates needed to move the head of the snake
data.QueueUpdateColor(targetCell.x, targetCell.y, inputSourceData.color);
data.QueueUpdateOccupied(targetCell.x, targetCell.y, true);
data.QueueUpdateIsHead(targetCell.x, targetCell.y, true);
data.QueueUpdateDistToTail(targetCell.x, targetCell.y, currHeadCell.distToTail + 1);
data.QueueUpdatePainted(targetCell.x, targetCell.y, true);
data.QueueUpdatePlayer(targetCell.x, targetCell.y, inputSourceData.id);
data.QueueUpdateIsHead(currHeadCell.x, currHeadCell.y, false);
//Update the PlayerData with the new head position
inputSourceData.SetX(targetCell.x);
inputSourceData.SetY(targetCell.y);
//Update variable for later use
playerHeadPos += moveDirection;
//Play SFX
RpcPlayOneShotOnClients(0);
}
//Update length of tail after movement
Cell updatedTargetCell = data.GetMostCurrentCell(playerHeadPos);
if (updatedTargetCell.distToTail > inputSourceData.length)
{
bool finishedTailUpdate = false;
Vector2 tailUpdateLocation = playerHeadPos;
//Update distance for each segment of snake
while (!finishedTailUpdate)
{
int newDist = data.GetMostCurrentCell(tailUpdateLocation).distToTail - 1;
data.QueueUpdateDistToTail((int)tailUpdateLocation.x, (int)tailUpdateLocation.y, newDist);
if (newDist < 0)
{
data.QueueUpdateOccupied((int)tailUpdateLocation.x, (int)tailUpdateLocation.y, false);
}
//Look for next further segment in all directions
Vector2[] directions = new Vector2[] { Vector2.up, Vector2.left, Vector2.down, Vector2.right };
bool foundNext = false;
foreach (Vector2 searchDir in directions)
{
Vector2 searchPos = tailUpdateLocation + searchDir;
Cell checkCell = data.GetMostCurrentCell(searchPos);
if (checkCell.occupied && checkCell.player == inputSourceData.id && checkCell.distToTail == newDist)
{
foundNext = true;
tailUpdateLocation = searchPos;
break;
}
}
if (!foundNext)
{
finishedTailUpdate = true;
}
}
}
}
//VERY IMPORTANT
//Up until this point, all updates to the grid are being stored in a temporary hashmap.
//This takes those updates and applies them to the synclist so that any cell updates
//are applied with only one actual network update per cell
data.ApplyUpdates();
//Updates the data of the player that produced the input across all instances of game
playerData.RemoveAt(playerIndex);
playerData.Insert(playerIndex, inputSourceData);
//Update's player's camera to focus on new head cell
playerId.GetComponentInParent <PlayerConnectionComponent>().RpcUpdateCamera(new Vector2Int(inputSourceData.x, inputSourceData.y));
}
public int GetPlayerElement(int playerIndex)
{
return(playerPermutation.IndexOf(playerIndex));
}