/// <summary>
/// Helper setup start game state
/// </summary>
private void InitGame()
{
//show modeless box
_HelpBox = new frmInfos();
this.Location = new Point(10, 10);
_HelpBox.Show();
//set helpbox location
_HelpBox.Location = new Point(this.Location.X + this.Width + 10, 10);
//preset flag
_bGameStart = false;
_bGameOver = false;
_bGamePause = false;
_bWelcome = true;
//reset state
_UserInfo = new UserInfo();
_gameLevel = eGameLevel.Easy;
this.Focus();
//add main ship
MakeAShip(0, ClientSize);
//add one rock
Point center = new Point(_rnd.Next(ClientRectangle.Width), _rnd.Next(ClientRectangle.Height));
ShapeRock newRock = new ShapeRock(center, (ShapeRock.RockSize)_rnd.Next(3));
_lstRock.Add(newRock);
//call make color function
//make a random known color every second
MakeColor(1000);
//make rock based on selected level
//add asteroids on canvas based on game level
_gr = CreateGraphics();
MakeAsteroid((int)_gameLevel, _gr.VisibleClipBounds.Size);
//play opening sound
_SoundFolder = Path.GetFullPath(Path.Combine(Directory.GetCurrentDirectory(), "..", "..", "Sound"));
_soundOpening = _SoundFolder + "\\opening.wav";
_soundExplosion = _SoundFolder + "\\explosion-012.wav";
_soundGameOver = _SoundFolder + "\\Yunas-Theme.wav";
_soundGotHit = _SoundFolder + "\\explosion.wav";
_soundLazer = _SoundFolder + "\\lazer.wav";
PlaySound(_soundOpening);
//load images
//LoadImages();
//play hot sound
PlaySound(_soundOpening);
// Helper to load existing high score
LoadFile();
}
/// <summary>
/// Child function of async method that create a random rock in specific time
/// </summary>
/// <param name="time">input time</param>
/// <param name="size"></param>
private void MakeARock(int time, SizeF size)
{
//delay inside method, use stopwatch to get exact timing
System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
sw.Start();
while (sw.ElapsedMilliseconds < time)
{
;
}
//random location
PointF center = new PointF((float)(_rnd.NextDouble() * size.Width), (float)(_rnd.NextDouble() * size.Height));
lock (_oLock)
{
ShapeRock newRock = new ShapeRock(center, (ShapeRock.RockSize)_rnd.Next(1, 4));
_lstRock.Add(newRock);
}
}
/// <summary>
/// Helper to update score everytime bullet hit the rock
/// </summary>
/// <param name="rock">input rock</param>
private void UpdateScore(ShapeRock rock)
{
//use rock instance property to update
_UserInfo._CurrentScore += rock.RScore;
//if current score mul by 10K -> award player a life
if ((int)_UserInfo._CurrentScore / AWARD_LIFE > _UserInfo._AwardsTimes)
{
_UserInfo._AwardsTimes++;
_UserInfo._Life++;
}
//increase level when user get 20k, and 100k
if (_UserInfo._AwardsTimes == (int)_MediumScore / 10000)
{
_gameLevel = eGameLevel.Medium;
}
if (_UserInfo._AwardsTimes == (int)_HardScore / 10000)
{
_gameLevel = eGameLevel.Hard;
}
}
/// <summary>
/// Helper to break down the input rock by size
/// </summary>
/// <param name="rockOG">input rock</param>
private void BreakDownRock(ShapeRock rockOG)
{
//clear the current collection, make sure no repeatition
_lstBrokenRock.Clear();
//if this rock is big, break it to 3 smaller rocks
if (rockOG._rockSize == ShapeRock.RockSize.Big)
{
//count
for (int i = 0; i < 3; ++i)
{
//make a new rock
ShapeRock rock = new ShapeRock(rockOG.Location, ShapeRock.RockSize.Medium);
//make all the broken rocks same direction, use QUADRANT
//use sign of original rock
float fX_OG = (float)Math.Ceiling(rockOG._fXSpeed);
float fY_OG = (float)Math.Ceiling(rockOG._fYSpeed);
//check sign of orignal rock, if make the smaller ones same sign
if (rockOG._fXSpeed >= 0)
{
rock._fXSpeed = (float)(fX_OG + _rnd.NextDouble() * fX_OG);
}
else
{
rock._fXSpeed = -(float)(fX_OG + _rnd.NextDouble() * fX_OG);
}
//check sign of orignal rock, if make the smaller ones same sign
if (rockOG._fYSpeed >= 0)
{
rock._fYSpeed = (float)(fY_OG + _rnd.NextDouble() * fY_OG);
}
else
{
rock._fYSpeed = -(float)(fY_OG + _rnd.NextDouble() * fY_OG);
}
//set the rock increment
rock._fRotationIncrement = (float)(_rnd.NextDouble() * 5.0 - 2.5);
//set this rock active
rock.IsMarkedForDeath = false;
//use lock?
lock (_oLock)
{
//add new rock to the sub list, combine to main list later
_lstBrokenRock.Add(rock);
}
}
}
//if this rock is medium, break it to 2 smaller rocks
else if (rockOG._rockSize == ShapeRock.RockSize.Medium)
{
//count
for (int i = 0; i < 2; ++i)
{
//make a new rock
ShapeRock rock = new ShapeRock(rockOG.Location, ShapeRock.RockSize.Small);
//make all the broken rocks same direction, use QUADRANT
//use sign of original rock
float fX_OG = (float)Math.Ceiling(rockOG._fXSpeed);
float fY_OG = (float)Math.Ceiling(rockOG._fYSpeed);
//check sign of orignal rock, if make the smaller ones same sign
if (rockOG._fXSpeed >= 0)
{
rock._fXSpeed = (float)(fX_OG + _rnd.NextDouble() * fX_OG);
}
else
{
rock._fXSpeed = -(float)(fX_OG + _rnd.NextDouble() * fX_OG);
}
//check sign of orignal rock, if make the smaller ones same sign
if (rockOG._fYSpeed >= 0)
{
rock._fYSpeed = (float)(fY_OG + _rnd.NextDouble() * fY_OG);
}
else
{
rock._fYSpeed = -(float)(fY_OG + _rnd.NextDouble() * fY_OG);
}
//set the rock increment
rock._fRotationIncrement = (float)(_rnd.NextDouble() * 5.0 - 2.5);
//set this rock active
rock.IsMarkedForDeath = false;
lock (_oLock)
{
//add new rock to the sub list, combine to main list later
_lstBrokenRock.Add(rock);
}
}
}
}