private void ComposePauseSaucerHit(CompositionTargetBase target)
{
//draw a big bordered box
target.FillRectangle(
Brushes.Black,
this._rectAlert);
target.DrawRectangle(
Pens.Lime,
this._rectAlert);
//draw the ship symbol
target.DrawString(
"LM", //saucer
AlienFont.Instance,
Brushes.Lime,
this._rectAlert.Left,
this._rectAlert.Top + 2);
//draw the number of ships left
string text = this.Saucer.PromisedScore.ToString();
Size sz = target.MeasureString(text, Fonts.Fixed5x7);
target.DrawString(
text,
Fonts.Fixed5x7,
Brushes.Yellow,
this._rectAlert.Right - 2 - sz.Width,
this._rectAlert.Top + 2);
}
private void ComposePauseShowLevel(CompositionTargetBase target)
{
//draw a big bordered box
target.FillRectangle(
Brushes.Black,
this._rectAlert);
target.DrawRectangle(
Pens.Lime,
this._rectAlert);
//draw a "Level" abbreviation
target.DrawString(
"Lv",
Fonts.Fixed5x7,
Brushes.Lime,
this._rectAlert.Left + 2,
this._rectAlert.Top + 2);
//draw the number of the current level
string text = this.Context.CurrentLevel.ToString();
Size sz = target.MeasureString(text, Fonts.Fixed5x7);
target.DrawString(
text,
Fonts.Fixed5x7,
Brushes.Yellow,
this._rectAlert.Right - 2 - sz.Width,
this._rectAlert.Top + 2);
}
private static void TestString()
{
//text left-aligned
var s = "Abc";
_composition.DrawString(
s,
Fonts.Fixed5x7,
Brushes.Yellow,
new Point(0, 0)
);
//text right-aligned
s = "Xyz";
Size sz = _composition.MeasureString(
s,
Fonts.Fixed5x7);
_composition.DrawString(
s,
Fonts.Fixed5x7,
Brushes.Red,
new Point(32 - sz.Width, 8)
);
}
private void ComposePauseGameOver(CompositionTargetBase target)
{
//draw a big bordered box
target.FillRectangle(
Brushes.Black,
this._rectAlert);
target.DrawRectangle(
Pens.Lime,
this._rectAlert);
//draw "game" then "over"
var text = (this._pausedClock > PausedTimeShort)
? "GAME"
: "OVER";
target.DrawString(
text,
Fonts.Fixed5x7,
Brushes.Red,
this._rectAlert.Left + 2,
this._rectAlert.Top + 2);
}
public override GameStageBase OnCompose(CompositionTargetBase target)
{
GameStageBase result = null;
//the game begins on any button pressed
if (this.Context.FireButton ||
this.Context.RightButton ||
this.Context.LeftButton)
{
if (this.Context.Status == GameStatus.Idle)
{
result = new GameStagePlay(this.Context);
}
}
else if (this.Context.Status == GameStatus.RegComplete)
{
//this prevents the game to begin when
//a button is still pressed since a prev stage
this.Context.Status = GameStatus.Idle;
}
bool flasher = (this.Context.Clock & 8) != 0;
if (this._frame == 0)
{
this._posT0 = new Point(34, 4);
this._posT1 = new Point(40, 4);
this._posAlien = new Point(-25, 4);
}
if (this._frame < 24)
{
target.DrawString("O", AlienFont.Instance, Brushes.Lime, _posT0);
target.DrawString(Title1, Fonts.Fixed5x7, Brushes.Lime, _posT1);
_posT0.X--;
_posT1.X--;
}
else if (this._frame < 24)
{
target.DrawString("O", AlienFont.Instance, Brushes.Lime, _posT0);
target.DrawString(Title1, Fonts.Fixed5x7, Brushes.Lime, _posT1);
}
else if (this._frame < 24 + 8)
{
target.DrawString("O", AlienFont.Instance, Brushes.Lime, _posT0);
target.DrawString(Title1, Fonts.Fixed5x7, Brushes.Lime, _posT1);
_posT0.X++;
_posT1.X++;
}
else if (this._frame < 32 + 34)
{
string alien = string.Empty + (char)(0x50 + (this._frame & 1));
target.DrawString(alien, AlienFont.Instance, Brushes.Yellow, _posAlien);
target.DrawString("O", AlienFont.Instance, Brushes.Lime, _posT0);
target.DrawString(Title1, Fonts.Fixed5x7, Brushes.Lime, _posT1);
_posAlien.X++;
}
else if (this._frame < 66 + 34)
{
string alien = string.Empty + (char)(0x50 + (this._frame & 1));
target.DrawString(alien, AlienFont.Instance, Brushes.Yellow, _posAlien);
target.DrawString("O", AlienFont.Instance, Brushes.Lime, _posT0);
target.DrawString(Title1, Fonts.Fixed5x7, Brushes.Lime, _posT1);
_posAlien.X--;
_posT0.X--;
}
else if (this._frame < 100 + 34)
{
string alien = string.Empty + (char)(0x50 + (this._frame & 1));
target.DrawString(alien, AlienFont.Instance, Brushes.Yellow, _posAlien);
target.DrawString("N", AlienFont.Instance, Brushes.Lime, _posT0);
target.DrawString(Title1, Fonts.Fixed5x7, Brushes.Lime, _posT1);
_posAlien.X++;
_posT0.X++;
}
else if (this._frame < 134 + 100)
{
string alien = string.Empty + (char)(0x50 + (this._frame & 1));
target.DrawString(alien, AlienFont.Instance, Brushes.Yellow, _posAlien);
target.DrawString("N", AlienFont.Instance, Brushes.Lime, _posT0);
target.DrawString(Title1, Fonts.Fixed5x7, Brushes.Lime, _posT1);
_posAlien.X--;
_posT0.X--;
_posT1.X--;
}
else if (this._frame < 234 + 60)
{
if (this._frame == 234)
{
this._posT0.X = 15;
this._posT0.Y = 0;
this._posT1.X = -15;
this._posT1.Y = 8;
}
//alien #2 is wider and yields less points
string alien2 = flasher ? "RS" : "TU";
target.DrawString(alien2, AlienFont.Instance, Brushes.Yellow, this._posT0);
target.DrawString(AlienLarge.Score + "p", Fonts.Fixed5x7, Brushes.Lime, this._posT0.X + 12, this._posT0.Y);
//alien #1 worth more
string alien1 = flasher ? "P" : "Q";
target.DrawString(alien1, AlienFont.Instance, Brushes.Yellow, this._posT1.X + 19, this._posT1.Y);
target.DrawString(AlienSmall.Score + "p", Fonts.Fixed5x7, Brushes.Lime, this._posT1.X, this._posT1.Y + 1);
if (this.Context.IsEvenClock)
{
this._posT0.X--;
this._posT1.X++;
}
}
else if (this._frame < 294 + 80)
{
if (flasher)
{
target.DrawString("In ert", Fonts.Fixed5x7, Brushes.Lime, new Point(-1, 0));
target.DrawString("$", Fonts.Fixed5x7, Brushes.Red, new Point(11, 0));
target.DrawString("coin", Fonts.Fixed5x7, Brushes.Yellow, new Point(4, 9));
}
}
else
{
this._frame = -1;
}
this._frame++;
return(result);
}