/**
* Game render loop
*/
private void RenderLoop()
{
FloatColor clearColor = GameColor.DARK_GREY;
GL.ClearColor(clearColor.red(), clearColor.blue(), clearColor.green(), 1f);
// Set up main menu text
GameFont menuItem = new GameFont("Start Game", GameColor.ORANGE);
GameFont startGame = new GameFont("Press Space to Start Game", GameColor.YELLOW);
Matrix4d scale = Matrix4d.CreateTranslation(new Vector3d(100, 0, 0)); //Might still need a scale() method
Matrix4d target = new Matrix4d();
Camera camera = new Camera(window.GetWidth(), window.GetHeight());
camera.SetPosition(new Vector3d(-100, 0, 0));
shader = new Shader("shader");
double frameCap = 1.0 / 60; // 60 FPS
double frameTime = 0;
double time = GetTime();
double unprocessed = 0;
SetState(State.GAME); // Set the game state
SetLevel(0); // Set the starting level
logicLoop = new Thread(() => LogicLoop()); // Run the logic in a separate thread
logicLoop.Start();
window.CenterWindow(); // Center window on screen
RenderLevel();
return;
// Poll window while window isn't about to close
while (run)
{
canRender = false;
// Control frames per second
{
double timeNow = GetTime();
double elapsed = timeNow - time;
unprocessed += elapsed;
frameTime += elapsed;
time = timeNow;
}
// Run all non-render related tasks
while (unprocessed >= frameCap)
{
unprocessed -= frameCap;
canRender = true;
target = scale;
window.Update();
if (frameTime >= 1.0)
{
frameTime = 0;
}
}
// Render when scene changes
if (canRender)
{
RenderLevel();
GL.Clear(ClearBufferMask.ColorBufferBit);
if (state.Equals(State.GAME))
{
gameState = true;
shader.Bind();
shader.UpdateUniforms(camera, target);
objectManager.RenderAll();
window.updateTimer();
window.RenderElements();
GetCurrentLevel().RenderLoop();
}
else if (state.Equals(State.LEVEL_COMPLETE))
{
GetCurrentLevel().SetActive(false); // Set level as inactive
// If user has the level complete dialogue enabled
if (levelCompleteDialogue)
{
gameState = false;
shader.Bind();
shader.UpdateUniforms(camera, target);
objectManager.RenderAll();
window.RenderElements();
// Add dark rectangle to make text more readable
shader.Unbind();
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
GL.Color4(clearColor.red(), clearColor.green(), clearColor.blue(), .5f);
GL.Rect(-10f, -10f, 10f, 10f);
Scene latestLevel = GetCurrentLevel();
menuItem.renderString("Congratulations!", Alignment.CENTER, 0.1f, 0.45f);
menuItem.renderString("You've completed " + latestLevel.getName() + " in " + latestLevel.GetElapsedSeconds() + " seconds.", Alignment.CENTER, 0.02f, 0.2f);
startGame.renderString("(Press Space to continue.)", Alignment.CENTER, -0.45f, 0.3f);
}
else
{
SetState(State.NEXT_LEVEL);
}
}
else if (state.Equals(State.NEXT_LEVEL))
{
gameState = false;
NextLevel();
SetState(State.GAME);
}
if (!state.Equals(State.LEVEL_COMPLETE))
{
// Fading
shader.Unbind();
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
if (fadeN > 0)
{
fadeN -= 2.5f;
GL.Color4(clearColor.red(), clearColor.blue(), clearColor.green(), (float)System.Math.Sin(fadeN));
GL.Rect(-10f, -10f, 10f, 10f);
}
}
window.SwapBuffers(); // Swap the render buffers
}
}
SaveGame.writeData();
}
