private void NewTurn()
{
// find the next player and their tank
currentTank = currentGame.GetPlayerTank();
currentPlayer = currentTank.GetPlayerNumber();
//set the title of a form to current round of total rounds
this.Text = string.Format("Tank battle - Round {0} of {1}", currentGame.CurrentRound(), currentGame.GetNumRounds());
// set backcolor of controlpanel to currentplayers colour
controlPanel.BackColor = currentPlayer.PlayerColour();
// show the current player's name
currentPlayerLabel.Text = currentPlayer.Name();
// set angle to current gameplaytank's angle
this.Aim(currentTank.GetTankAngle());
//show current tank's power
this.SetTankPower(currentTank.GetPower());
//show current windspeed
//postive values should state its a eastly wind while negative values come from windly west
if (currentGame.GetWind() >= 0)
{
windspeedLabel.Text = string.Format("{0} E", currentGame.GetWind());
}
else
{
windspeedLabel.Text = string.Format("{0} W", (currentGame.GetWind() * -1)); // times by a negative number to shows a flat value for wind
}
//clear weapon choices in weaponSelect
weaponSelect.Items.Clear();
// find all weapons available to current tank
foreach (string weapon in currentTank.GetTank().ListWeapons())
{
// add each weapon to selection choice of weaponSelect
weaponSelect.Items.Add(weapon);
}
//set the current weapon to be used of current tank
SetWeapon(currentTank.GetWeapon());
if (currentPlayer is PlayerController)
{
// give controls for firing a weapon
currentPlayer.BeginTurn(this, currentGame);
}
else if (currentPlayer is AIOpponent)
{
//run the firing command on currentplayer
currentPlayer.BeginTurn(this, currentGame);
}
}
/// <summary>
/// Runs when a computer play gets a turn , works out how to fire shot depending on aiSetting
/// </summary>
/// <param name="gameplayForm"></param>
/// <param name="currentGame"></param>
public override void BeginTurn(BattleForm gameplayForm, Battle currentGame)
{
//grab the current fight
currentFight = currentGame;
if (aiSetting == difficulty.easy)
{
// this ai only knows how to fire and doesn't remember if it hits
//take a random angle and power and fire
TakeACrappyShot(gameplayForm);
}
else if (aiSetting == difficulty.medium)
{
//this ai knows how to fire , if it hit last time and where to shoot to hit a tank
//check if last hit hit a player
if (this.shotHit.Count() > 0 && this.shotHit.Last())
{
// re aim for previous shot so it might still hit tank again
CalForWind(currentGame);
// fire shot
gameplayForm.Fire();
// remove entry to reset in case shot doesnt hit
this.shotHit.Clear();
}
else // didnt hit with last shot
{
//grab the current wind speed
windOfLastTurn = currentGame.GetWind();
// work out which way to shoot
int maxAngleFacing = 90;
int minAngleFacing = -90;
int [] fireRange;
// check where the tank is , if it close to the edge make sure to fire to the inside of battlfeild
fireRange = CalMinAndMaxAngle(minAngleFacing, maxAngleFacing, currentGame);
//grab min and max from fireRange
minAngleFacing = fireRange[0];
maxAngleFacing = fireRange[1];
// choose a random angle to fire at
float randomAngle = (myRandom.Next(minAngleFacing, maxAngleFacing));
//choose a random firepwoer
int randomFirepower = (myRandom.Next(10, 101));
//fire shot
TakeAimAndFire(randomAngle, randomFirepower, gameplayForm);
}
}
else if (aiSetting == difficulty.hard)
{
//stub
}
}
/// <summary>
/// used to work out how to hit the last target if the wind changed
/// </summary>
/// <param name="currentGame"></param>
private void CalForWind(Battle currentGame)
{
// retake the shot but check for wind change
// check to see if the wind is blowing more to east
if (windOfLastTurn > currentGame.GetWind())
{
//check firing angle
// if angle is positive , bullet will travel farer
// but if angle is negative the bullet will travel less
if (currentGame.GetPlayerTank().GetTankAngle() > 0)
{
// reduce power to hit tank
currentGame.GetPlayerTank().SetTankPower((currentGame.GetPlayerTank().GetPower() * 98) / 100);
}
else
{
// increase power to hit tank
currentGame.GetPlayerTank().SetTankPower((currentGame.GetPlayerTank().GetPower() * 102) / 100);
}
}
else
{
// the wind is blowing more to west
//check angle
if (currentGame.GetPlayerTank().GetTankAngle() <= 0)
{
// tank is firing with the wind , reduce power
currentGame.GetPlayerTank().SetTankPower((currentGame.GetPlayerTank().GetPower() * 98) / 100);
}
else
{
// tank is firing against the wind , increase power
currentGame.GetPlayerTank().SetTankPower((currentGame.GetPlayerTank().GetPower() * 102) / 100);
}
}
}