private VoxelChunkManager()
{
chunks = new Dictionary<Tuple<int, int>, VoxelChunk>();
chunksToMesh = new Dictionary<Tuple<int, int>, VoxelChunk>();
chunkLoadQueue = new Queue<Tuple<int, int>>();
noise = new OpenSimplexNoise(2);
frustum = new Frustum();
chunkScalingMatrix = Matrix4.CreateScaling(new Vector3(ChunkWidth, ChunkHeight, ChunkDepth));
chunkShader = new ShaderProgram(chunkvertexshader, chunkfragmentshader);
chunkShader["lightDirection"].SetValue(new Vector3(-0.75, -0.5, -1).Normalize());
}
/// <summary>
/// Returns true if the AxisAlignedBoundingBox is within the frustum. Cheats by using spherical representation of the bounding box.
/// </summary>
/// <param name="f">The Frustum to check for intersections with</param>
/// <returns>True if the spherical representation of the AxisAlignedBoundingBox is withing the frustum</returns>
public bool Intersects(Frustum f)
{
return f.Intersects(this);
}
static void Main(string[] args)
{
timefromstart = System.Diagnostics.Stopwatch.StartNew();
Console.WriteLine("Initializing GLUT - {0}s", getTimeFromStart().ToString());
Glut.glutInit();
Glut.glutInitDisplayMode(Glut.GLUT_DOUBLE | Glut.GLUT_DEPTH);
Glut.glutInitWindowSize(width, height);
Glut.glutCreateWindow("kVoxGame");
Console.WriteLine("GLUT window created - {0}s", getTimeFromStart().ToString());
//Callbacks
Glut.glutIdleFunc(OnRenderFrame);
Glut.glutDisplayFunc(OnDisplay);
//Mouse
Glut.glutMouseFunc(OnMouse);
Glut.glutMotionFunc(OnMove);
//Keyboard
Glut.glutKeyboardFunc(OnKeyboardDown);
Glut.glutKeyboardUpFunc(OnKeyboardUp);
Console.WriteLine("GLUT callbacks binded - {0}s", getTimeFromStart().ToString());
Gl.Enable(EnableCap.DepthTest);
Gl.Enable(EnableCap.Blend);
Gl.Enable(EnableCap.Multisample);
Gl.Enable(EnableCap.SampleAlphaToCoverage);
Gl.Enable(EnableCap.FragmentLightingSgix);
Gl.Enable(EnableCap.CullFace);
Console.WriteLine("GL Enables enabled :D - {0}s", getTimeFromStart().ToString());
skydomeTexture = new Texture("skydome.jpg");
//Gl.PolygonMode(MaterialFace.FrontAndBack, PolygonMode.Line);
// create main shader program
terrainSP = new ShaderProgram(terrainVS, terrainFS);
terrainSP.Use();
terrainSP["color"].SetValue(new Vector3(0, 0.8, 0));
projectionMatrix = Matrix4.CreatePerspectiveFieldOfView(0.45f, (float)width / height, 0.1f, 1000f);
terrainSP["projection_matrix"].SetValue(projectionMatrix);
terrainSP["model_matrix"].SetValue(Matrix4.CreateTranslation(new Vector3(0, 0, 0)) * Matrix4.CreateRotation(new Vector3(0, 0, 0), 0.0f));
Console.WriteLine("Shader program (main) compiled and data injected - {0}s", getTimeFromStart().ToString());
// create main skybox program
skyboxSP = new ShaderProgram(skyboxVS, skyboxFS);
skyboxSP.Use();
skyboxSP["color"].SetValue(new Vector3(0.2, 1.0, 1.0));
skyboxSP["resolution"].SetValue(new Vector2(width, height));
projectionMatrix = Matrix4.CreatePerspectiveFieldOfView(0.45f, (float)width / height, 0.1f, 1000f);
skyboxSP["projection_matrix"].SetValue(projectionMatrix);
skyboxSP["model_matrix"].SetValue(Matrix4.CreateTranslation(new Vector3(0, 0, 0)) * Matrix4.CreateRotation(new Vector3(0, 0, 0), 0.0f));
Console.WriteLine("Shader program (skybox) compiled and data injected - {0}s", getTimeFromStart().ToString());
//Setup camera
camera = new Camera(new Vector3(0, 0, 10), Quaternion.Identity);
camera.SetDirection(new Vector3(0, 0, -1));
Console.WriteLine("Cam setup complete - {0}s", getTimeFromStart().ToString());
watch = System.Diagnostics.Stopwatch.StartNew();
chunks = new VoxelChunk[4];
//instance few voxel chunks
chunks[0] = new VoxelChunk(0,0);
chunks[1] = new VoxelChunk(0, 32);
chunks[2] = new VoxelChunk(32, 0);
chunks[3] = new VoxelChunk(32, 32);
Console.WriteLine("Chunks added to array - {0}s", getTimeFromStart().ToString());
//init frustum
frustum = new Frustum();
frustum.UpdateFrustum(projectionMatrix, camera.ViewMatrix);
Console.WriteLine("starting main GLUT loop - {0}s", getTimeFromStart().ToString());
Glut.glutMainLoop();
}
/// <summary>
/// Returns true if the AxisAlignedBoundingBox is within the frustum.
/// Cheats by using spherical representation of the bounding box.
/// </summary>
/// <param name="f">The Frustum to check for intersections with.</param>
/// <returns>True if the spherical representation of the AxisAlignedBoundingBox is withing the frustum.</returns>
public bool Intersects(Frustum f)
{
return(f.Intersects(this));
}