public ChunkRenderer(GraphicsDevice device, ContentManager content, Technique optimization)
{
Device = device;
Content = content;
Optimization = optimization;
Chunks = new XChunk[SIZE * SIZE];
TextureAtlas = new Dictionary <string, Vector2>();
// TODO: AUTOMATED
TEXTURE_RATIO_X = 63.85f / 256.0f;
TEXTURE_RATIO_Y = 63.85f / 256.0f;
TextureAtlas.Add("Top_Grass", new Vector2(1, 0));
TextureAtlas.Add("Side_Dirt", new Vector2(2, 0));
textureAtlas = Content.Load <Texture2D>("atlas");
internalEffect = new BasicEffect(Device)
{
Texture = textureAtlas,
TextureEnabled = true
};
}
public void expandWorld(Direction direction)
{
switch (direction)
{
case Direction.Forward:
GlobalTranslation += new Vector3(0, 0, XChunk.Depth);
Vector3 localVector = Vector3.Zero;
for (int x = 0; x < SIZE; x++)
{
localVector.X = x * XChunk.Width;
localVector.Z = (SIZE - 1) * XChunk.Depth;
float[] heightMap = simplexNoise.GetNoiseMap2D((int)localVector.X + (int)GlobalTranslation.X, (int)localVector.Z + (int)GlobalTranslation.Z, XChunk.Width, XChunk.Depth);
Chunks[x + 0 * SIZE].ReGenerate(localVector, GlobalTranslation);
Chunks[x + 0 * SIZE].HeightMap = heightMap;
XChunk currentChunk = Chunks[x + 0 * SIZE];
for (int z = 0; z < SIZE - 1; z++)
{
XChunk toChange = Chunks[x + (z + 1) * SIZE];
int oldId = toChange.ChunkId;
toChange.ChunkId = currentChunk.ChunkId;
currentChunk.ChunkId = oldId;
toChange.LocalPosition -= new Vector3(0, 0, XChunk.Depth);
Chunks[x + (z + 1) * SIZE] = currentChunk;
Chunks[x + z * SIZE] = toChange;
}
}
for (int i = 0; i < SIZE; i++)
{
Chunks[i + zAxis * SIZE].ReCreate = true;
Chunks[i + (SIZE - 1) * SIZE].Generate();
}
if (zAxis + 1 >= SIZE)
{
zAxis = 0;
}
zAxis++;
XChunk.Flush();
break;
}
}
public void Start()
{
XChunk.Width = 16;
XChunk.Depth = 16;
XChunk.Height = 256;
for (int i = 0; i < SIZE; i++)
{
for (int j = 0; j < SIZE; j++)
{
var ch = new XChunk(this, new Vector3(i * 16, 0, j * 16), new Vector3(0));
var hm = simplexNoise.GetNoiseMap2D(i * 16, j * 16, 16, 16);
ch.HeightMap = hm;
Chunks[i + j * SIZE] = ch;
}
}
Task.Run(() =>
{
Stopwatch sw = new Stopwatch();
sw.Start();
for (int i = 0; i < Chunks.Length; i++)
{
Chunks[i].Generate();
}
for (int i = 0; i < Chunks.Length; i++)
{
Chunks[i].CalculateOffset();
}
object raw = File.ReadAllBytes(@"data\chunks\indices.byte").DeserializeToDynamicType();
int[] indices = (int[])raw;
indexBuffer = new IndexBuffer(Device, IndexElementSize.ThirtyTwoBits, indices.Length, BufferUsage.WriteOnly);
indexBuffer.SetData <int>(indices);
indices = new int[0];
vertexBuffer = new VertexBuffer(Device, typeof(VertexPositionTexture), XChunk.TILE_SIZE * 10, BufferUsage.WriteOnly);
buildBuffers();
sw.Stop();
Console.WriteLine("DONE IN " + sw.Elapsed.TotalSeconds + " SECONDS!");
IsReady = true;
});
}
protected override void Update(GameTime gameTime)
{
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
chunkRenderer.Update(gameTime);
if (!chunkRenderer.IsReady)
{
return;
}
if (IsActive)
{
Camera.Update();
}
if (Keyboard.GetState().IsKeyDown(Keys.W))
{
Camera.Move(new Vector3(0, 0, -1));
}
if (Keyboard.GetState().IsKeyDown(Keys.A))
{
Camera.Move(new Vector3(-1, 0, 0));
}
if (Keyboard.GetState().IsKeyDown(Keys.S))
{
Camera.Move(new Vector3(0, 0, 1));
}
if (Keyboard.GetState().IsKeyDown(Keys.D))
{
Camera.Move(new Vector3(1, 0, 0));
}
if (Keyboard.GetState().IsKeyDown(Keys.Space))
{
Camera.Move(new Vector3(0, 1, 0));
}
if (Keyboard.GetState().IsKeyDown(Keys.LeftControl))
{
Camera.Move(new Vector3(0, -1, 0));
}
if (Keyboard.GetState().IsKeyDown(Keys.Up))
{
Camera.Velocity *= 1.05f;
}
if (Keyboard.GetState().IsKeyDown(Keys.Down))
{
Camera.Velocity /= 1.05f;
}
if (!pressed && Keyboard.GetState().IsKeyDown(Keys.Y))
{
pressed = true;
chunkRenderer.expandWorld(ChunkRenderer.Direction.Forward);
}
if (Keyboard.GetState().IsKeyUp(Keys.Y))
{
pressed = false;
}
for (int i = 0; i < chunkRenderer.Chunks.Length; i++)
{
if (chunkRenderer.Chunks[i].ChunkBoundingBox.Contains(Camera.CameraPosition) == ContainmentType.Contains)
{
currentChunk = chunkRenderer.Chunks[i];
break;
}
}
base.Update(gameTime);
}
