//------------------------------------------------------------------------------------------------------------------------
// Game()
//------------------------------------------------------------------------------------------------------------------------
/// <summary>
/// Initializes a new instance of the <see cref="Game"/> class.
/// This class represents a game window, containing an openGL view.
/// </summary>
/// <param name='width'>
/// Width of the window in pixels.
/// </param>
/// <param name='height'>
/// Height of the window in pixels.
/// </param>
/// <param name='fullScreen'>
/// If set to <c>true</c> the application will run in fullscreen mode.
/// </param>
public Game(int pWidth, int pHeight, bool pFullScreen, bool pVSync = true)
: base()
{
if (main != null) {
throw new Exception ("Only a single instance of Game is allowed");
} else {
main = this;
_updateManager = new UpdateManager ();
_collisionManager = new CollisionManager ();
_glContext = new GLContext (this);
_glContext.CreateWindow (pWidth, pHeight, pFullScreen, pVSync);
_gameObjectsContained = new List<GameObject>();
//register ourselves for updates
Add (this);
}
}
//------------------------------------------------------------------------------------------------------------------------
// RenderSelf()
//------------------------------------------------------------------------------------------------------------------------
protected override void RenderSelf(GLContext glContext)
{
//empty
}
//------------------------------------------------------------------------------------------------------------------------
// Render()
//------------------------------------------------------------------------------------------------------------------------
protected override void RenderSelf(GLContext glContext)
{
if (_invalidate) {
_texture.UpdateGLTexture ();
_invalidate = false;
}
base.RenderSelf (glContext);
}
//------------------------------------------------------------------------------------------------------------------------
// RenderSelf()
//------------------------------------------------------------------------------------------------------------------------
protected override void RenderSelf(GLContext glContext)
{
if (game != null) {
Vector2[] bounds = GetExtents();
float maxX = float.MinValue;
float maxY = float.MinValue;
float minX = float.MaxValue;
float minY = float.MaxValue;
for (int i=0; i<4; i++) {
if (bounds[i].x > maxX) maxX = bounds[i].x;
if (bounds[i].x < minX) minX = bounds[i].x;
if (bounds[i].y > maxY) maxY = bounds[i].y;
if (bounds[i].y < minY) minY = bounds[i].y;
}
bool test = (maxX < 0) || (maxY < 0) || (minX >= game.width) || (minY >= game.height);
if (test == false) {
if (blendMode != null) blendMode.enable ();
_texture.Bind();
glContext.SetColor((byte)((_color >> 16) & 0xFF),
(byte)((_color >> 8) & 0xFF),
(byte)(_color & 0xFF),
(byte)(_alpha * 0xFF));
glContext.DrawQuad(GetArea(), _uvs);
glContext.SetColor(1, 1, 1, 1);
_texture.Unbind();
if (blendMode != null) BlendMode.NORMAL.enable();
}
}
}
//------------------------------------------------------------------------------------------------------------------------
// RenderSelf
//------------------------------------------------------------------------------------------------------------------------
protected virtual void RenderSelf(GLContext glContext)
{
if (visible == false) return;
glContext.PushMatrix(matrix);
glContext.PopMatrix();
}
//------------------------------------------------------------------------------------------------------------------------
// Render
//------------------------------------------------------------------------------------------------------------------------
/// <summary>
/// This function is called by the renderer. You can override it to change this object's rendering behaviour.
/// When not inside the GXPEngine package, specify the parameter as GXPEngine.Core.GLContext.
/// This function was made public to accomoadate split screen rendering. Use SetViewPort for that.
/// </summary>
/// <param name='glContext'>
/// Gl context, will be supplied by internal caller.
/// </param>
public virtual void Render(GLContext glContext)
{
if (visible) {
glContext.PushMatrix(matrix);
RenderSelf (glContext);
foreach (GameObject child in GetChildren()) {
child.Render(glContext);
}
glContext.PopMatrix();
}
}
