public IEnumerator CopTurn()
{
//Notifies the UI Controller to update relevant banner information
uiController.UpdateTurnUI(false);
uiController.DisplayTip();
//Iterates over the cop cars in the level
for (int i = 0; i < copCars.Count; i++)
{
//Select the relevant cop car
Car copCar = copCars[i];
//Highlight the squares that the cop can move
HighlightAvailableSquares(copCar);
//Set the current camera target
cameraController.currentTargetCar = copCar;
//Update banner information for this specific cop
uiController.UpdateBanner("Cop " + copCar.carName + "'s turn");
//Declare a coordinate (clone) of the cops current coordinates
GridCoord currentClone = copCar.gridCoord;
//Get a dice roll
int diceRoll = GetDiceRoll();
//Update the move count on the banner information
uiController.UpdateMoveCount(diceRoll);
//Wait for the camera to move to the cop cars position
yield return(new WaitForSeconds(0.8f));
//For every move on this dice roll
for (int m = diceRoll; m > 0; m--)
{
//Try 10 times to move
int remainingTries = 10;
//Declare a dictionary that will help us find the coordinate that reduces distance
//to the player the most.
Dictionary <float, GridCoord> distanceDict = new Dictionary <float, GridCoord>();
//(All below) Randomly move the coordinate by up to a unit in any direction
do
{
currentClone = copCar.gridCoord;
int dir = Random.Range(0, 4);
switch (dir)
{
case 0:
currentClone.x++;
break;
case 1:
currentClone.x--;
break;
case 2:
currentClone.y++;
break;
case 3:
currentClone.y--;
break;
}
//Get the distance to the player if the cop car were to move here
float distance = GridCoord.Distance(currentClone, playerCar.gridCoord);
//Check invalid grid positions
if (currentClone.x < 0 || currentClone.y < 0 || currentClone.x >= gridGenerator.dimensionsX || currentClone.y >= gridGenerator.dimensionsY)
{
continue;
}
//Check if the grid is occupied by a building
if (gridGenerator.GetSquare(currentClone).squareType != Square.SquareType.ROAD && gridGenerator.GetSquare(currentClone).squareType != Square.SquareType.HIGHWAY_EXIT)
{
continue;
}
//Insert the distance and coordinate into the dictionary
distanceDict[distance] = currentClone;
}while(--remainingTries > 0);
//Find the smallest result
var result = distanceDict.OrderBy(x => x.Key);
GridCoord lowestDist = result.FirstOrDefault().Value;
//Check the dictionary result isn't empty
if (lowestDist != null)
{
Square s = gridGenerator.GetSquare(lowestDist);
//Finally! Move to the square
if (CanMoveTo(copCar, s))
{
MoveToSquare(copCar, s);
}
}
//Update the move banner count
uiController.UpdateMoveCount(m);
//Wait for a quarter of a second to let the cop car to move to the position
yield return(new WaitForSeconds(0.25f));
}
}
//Change to the players turn
PlayerTurn();
}
