static void Main()
{
using (var game = new Root())
game.Run();
}
/// <summary>
/// UnloadContent will be called once per game and is the place to unload
/// game-specific content.
/// </summary>
protected override void UnloadContent()
{
instance = this;
// TODO: Unload any non ContentManager content here
}
protected override void Update(GameTime gameTime)
{
instance = this;
var newKeyboardState = Keyboard.GetState();
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || newKeyboardState.IsKeyDown(Keys.Escape))
Exit();
else if (isRunning && this.Window != null)
{
if (newKeyboardState.IsKeyUp(Keys.F) && keyboardState.IsKeyDown(Keys.F))
wireFrameEnabled = !wireFrameEnabled;
keyboardState = newKeyboardState;
if (newKeyboardState.IsKeyDown(Keys.L))
{
if (basicEffect.LightingEnabled)
{
basicEffect.DirectionalLight0.Enabled = true; // enable each light individually
if (basicEffect.DirectionalLight0.Enabled)
{
light += (float)gameTime.ElapsedGameTime.TotalSeconds;
if (light > 1f)
light = 0f;
basicEffect.AmbientLightColor = new Vector3(1, 1, 1);
basicEffect.DirectionalLight0.DiffuseColor = new Vector3(0.1f, 0.1f, 0.1f); // range is 0 to 1
basicEffect.DirectionalLight0.Direction = Vector3.Normalize(new Vector3(-0.25f, -1, -0.5f));
// points from the light to the origin of the scene
basicEffect.DirectionalLight0.SpecularColor = Vector3.Zero;
//basicEffect.DirectionalLight0.SpecularColor = Vector3.One;
}
}
}
// TODO: Add your update logic here
var newMouseState = Mouse.GetState();
sceneCamera.Update(this, gameTime, newKeyboardState, newMouseState);
basicEffect.View = sceneCamera.View;
wireFrame.View = sceneCamera.View;
//if (mouseState.ScrollWheelValue != newMouseState.ScrollWheelValue)
//{
// var cameraPosition = new Vector3(0, 0, 0);
// //var cameraPosition = new Vector3(gridSize * 8, 0, gridSize * 8);
// zoom = MathHelper.Clamp(zoom + (mouseState.ScrollWheelValue - newMouseState.ScrollWheelValue) / 50, 10, 9000);
// viewMatrix = Matrix.CreateLookAt(new Vector3(0.333f, 0.333f, 0.333f) * zoom + cameraPosition, cameraPosition, Vector3.Up);
// basicEffect.View = viewMatrix;
// wireFrame.View = viewMatrix;
//}
mouseState = newMouseState;
}
base.Update(gameTime);
}
protected override void OnExiting(object sender, System.EventArgs args)
{
instance = this;
isRunning = false;
base.OnExiting(sender, args);
}
/// <summary>
/// LoadContent will be called once per game and is the place to load
/// all of your content.
/// </summary>
protected override void LoadContent()
{
instance = this;
// Create a new SpriteBatch, which can be used to draw textures.
spriteBatch = new SpriteBatch(GraphicsDevice);
// TODO: use this.Content to load your game content here
}
/// <summary>
/// Allows the game to perform any initialization it needs to before starting to run.
/// This is where it can query for any required services and load any non-graphic
/// related content. Calling base.Initialize will enumerate through any components
/// and initialize them as well.
/// </summary>
protected override void Initialize()
{
// TODO: Add your initialization logic here
instance = this;
base.Initialize();
_chunkManager = new ChunkManager(this.GraphicsDevice);
//var data = new uint[3 * 3 *3];
//for(var i =0;i < data.Length;i++){
// if((i % 4) == 0)
// data[i] = 0xffffff;
//}
//_volume = new Volume(_chunkManager, 0, 0, 0, data, new Dimensions(new int[] { 3, 3, 3 }));
sceneCamera = new Camera(this.GraphicsDevice);
//float tilt = MathHelper.ToRadians(0); // 0 degree angle
//// Use the world matrix to tilt the cube along x and y axes.
//worldMatrix = Matrix.CreateRotationX(tilt) * Matrix.CreateRotationY(tilt);
//viewMatrix = Matrix.CreateLookAt(new Vector3(zoom, zoom, zoom), Vector3.Zero, Vector3.Up);
//projectionMatrix = Matrix.CreatePerspectiveFieldOfView(
// MathHelper.ToRadians(45), // 45 degree angle
// (float)GraphicsDevice.Viewport.Width /
// (float)GraphicsDevice.Viewport.Height,
// 1.0f, 10000.0f);
basicEffect = new BasicEffect(graphics.GraphicsDevice);
basicEffect.World = Matrix.Identity;
basicEffect.View = Matrix.Identity;
basicEffect.Projection = sceneCamera.Projection;
// primitive color
basicEffect.AmbientLightColor = new Vector3(0.1f, 0.1f, 0.1f);
basicEffect.DiffuseColor = new Vector3(1.0f, 1.0f, 1.0f);
basicEffect.SpecularColor = new Vector3(0.25f, 0.25f, 0.25f);
basicEffect.SpecularPower = 5.0f;
basicEffect.Alpha = 1.0f;
basicEffect.VertexColorEnabled = true;
//basicEffect.FogEnabled = true;
//basicEffect.FogColor = new Vector3(0, 0, 0);
//basicEffect.FogStart = 10;
//basicEffect.FogEnd = 100;
wireFrame = new BasicEffect(graphics.GraphicsDevice);
wireFrame.World = Matrix.Identity;
wireFrame.View = Matrix.Identity;
wireFrame.Projection = sceneCamera.Projection;
// primitive color
wireFrame.AmbientLightColor = new Vector3(0.1f, 0.1f, 0.1f);
wireFrame.DiffuseColor = new Vector3(1.0f, 1.0f, 1.0f);
wireFrame.SpecularColor = new Vector3(0.25f, 0.25f, 0.25f);
wireFrame.SpecularPower = 5.0f;
wireFrame.Alpha = 1.0f;
wireFrame.VertexColorEnabled = false;
wireFrame.LightingEnabled = true;
basicEffect.LightingEnabled = true;
if (basicEffect.LightingEnabled)
{
basicEffect.DirectionalLight0.Enabled = true; // enable each light individually
if (basicEffect.DirectionalLight0.Enabled)
{
// x direction
basicEffect.AmbientLightColor = new Vector3(1, 1, 1);
basicEffect.DirectionalLight0.DiffuseColor = new Vector3(0.1f, 0.1f, 0.1f); // range is 0 to 1
basicEffect.DirectionalLight0.Direction = Vector3.Normalize(new Vector3(-0.25f, -1, -0.5f));
// points from the light to the origin of the scene
basicEffect.DirectionalLight0.SpecularColor = Vector3.Zero;
//basicEffect.DirectionalLight0.SpecularColor = Vector3.One;
}
}
mouseState = Mouse.GetState();
keyboardState = Keyboard.GetState();
//_chunkManager.Initialize();
var generator = new DefaultWorldGenerator();
world = new World(GraphicsDevice, 192, 128);
world.Generate(generator);
arialFont = Content.Load<SpriteFont>("fonts/arial");
voxelEffect = Content.Load<Effect>("shaders/voxelshader");
selection = new VoxelVolume(this.GraphicsDevice, new Dimensions(new int[] { world.Size, 1, world.Size }));
}
protected override void Draw(GameTime gameTime)
{
instance = this;
verticesRendered = 0;
lastFrameTime = (gameTime.ElapsedGameTime.TotalSeconds * 0.0005 + lastFrameTime * 0.9995);
var fps = (int)(1.0 / lastFrameTime);
debugText.Clear();
AddDebugText("FPS: " + fps);
AddDebugText("Position: " + sceneCamera.TargetPosition.ToString());
AddDebugText("Direction: " + sceneCamera.Direction.ToString());
AddDebugText("Zoom: " + sceneCamera.Zoom);
voxelEffect.Parameters["Projection"].SetValue(sceneCamera.Projection);
voxelEffect.Parameters["View"].SetValue(sceneCamera.View);
basicEffect.Projection = sceneCamera.Projection;
wireFrame.Projection = sceneCamera.Projection;
GraphicsDevice.Clear(Color.CornflowerBlue);
if (wireFrameEnabled)
{
var rast = new RasterizerState();
rast.FillMode = FillMode.WireFrame;
rast.CullMode = CullMode.None;
GraphicsDevice.RasterizerState = rast;
}
else
GraphicsDevice.RasterizerState = RasterizerState.CullCounterClockwise;
this.GraphicsDevice.DepthStencilState = DepthStencilState.Default;
//var culled = _chunkManager.Draw(gameTime, basicEffect, wireFrameEnabled ? wireFrame : null, camera);
world.Render(voxelEffect, sceneCamera);
//System.Diagnostics.Trace.WriteLine(culled);
AddDebugText("Vertices: " + verticesRendered);
selection.Clear();
var dir = sceneCamera.Direction;
var start = sceneCamera.Position;
var end = sceneCamera.Position + dir * 100;
var foundCell = false;
var cellPosition = Vector3.Zero;
foreach (var p in GridRayTracer.Trace(start, end))
{
var x = (int)p.X;
var y = (int)p.Y;
var z = (int)p.Z;
var cell = world[x, z, y];
if (!cell.Meta.IsEmpty)
{
selection[x, 0, y] = 0x00ffff;
foundCell = true;
cellPosition = p;
Rendering.SurfaceExtractor.ExtractMesh(selection, disableAO: true);
break;
}
}
AddDebugText("Ray {{ start: {0}, end: {1}, hit: {2} }}", start, end, cellPosition);
spriteBatch.Begin();
for (var i = 0; i < debugText.Count; i++)
spriteBatch.DrawString(arialFont, debugText[i], new Vector2(0, i * arialFont.LineSpacing), Color.White);
spriteBatch.End();
if (foundCell)
{
basicEffect.Alpha = 0.5f;
basicEffect.World = Matrix.CreateTranslation(new Vector3(0, cellPosition.Y, 0));
this.GraphicsDevice.DepthStencilState = DepthStencilState.None;
foreach (var pass in basicEffect.CurrentTechnique.Passes)
{
pass.Apply();
selection.opaqueMesh.Draw();
}
}
base.Draw(gameTime);
}
public Root(int width = 1280, int height = 768, bool vsync = true, bool fixedstep = true, string content = "Content")
{
instance = this;
Content.RootDirectory = content;
IsFixedTimeStep = fixedstep;
graphics = new GraphicsDeviceManager(this);
graphics.PreferredBackBufferWidth = width;
graphics.PreferredBackBufferHeight = height;
graphics.SynchronizeWithVerticalRetrace = vsync;
}