/// <summary>
/// Sets the block at WORLD COORDINATES (x,y,z)
/// </summary>
public bool SetBlock(int x, int y, int z, Block block)
{
int x2 = x - X * CHUNK_SIZE;
int z2 = z - Z * CHUNK_SIZE;
if (x2 < 0)
if (chunkXneg != null)
return chunkXneg.SetBlock(x, y, z, block);
else
return false;
if (x2 >= CHUNK_SIZE)
if (chunkXpos != null)
return chunkXpos.SetBlock(x, y, z, block);
else
return false;
if (z2 < 0)
if (chunkZneg != null)
return chunkZneg.SetBlock(x, y, z, block);
else
return false;
if (z2 >= CHUNK_SIZE)
if (chunkZpos != null)
return chunkZpos.SetBlock(x, y, z, block);
else
return false;
if (y < 0 || y >= CHUNK_HEIGHT)
return false;
blocks[x2, y, z2] = block;
if (block != null) {
block.Position = new Vector3(x, y, z);
block.Chunk = this;
block.makeBBox();
} else {
if (y < CHUNK_HEIGHT-2 && blocks[x2, y + 1, z2] != null && blocks[x2, y + 1, z2].Type == BlockType.TallGrass)
blocks[x2, y + 1, z2] = null;
}
geometryDirty = true;
generateLight();
if (x2 == 0 && chunkXneg != null)
chunkXneg.setDirty();
if (x2 == CHUNK_SIZE-1 && chunkXpos != null)
chunkXpos.setDirty();
if (z2 == 0 && chunkZneg != null)
chunkZneg.setDirty();
if (z2 == CHUNK_SIZE - 1 && chunkZpos != null)
chunkZpos.setDirty();
return true;
}
void buildFace(Block block, BlockFace face, ref List<VertexPositionNormalTexture> verts, ref List<int> inds, Vector3 scale, Vector3 offset)
{
Vector2 sizeUV = new Vector2((float)Block.BlockTextureSize / (float)Block.BlockTexture.Width, (float)Block.BlockTextureSize / (float)Block.BlockTexture.Height);
Vector2 coord;
int i = verts.Count;
switch (face) {
case BlockFace.Top:
coord = new Vector2(((int)block.Type - 1) * sizeUV.X, 0);
verts.Add(new VertexPositionNormalTexture(block.Position + offset + new Vector3(0, 1, 0) * scale, Vector3.Up, coord));
verts.Add(new VertexPositionNormalTexture(block.Position + offset + new Vector3(1, 1, 0) * scale, Vector3.Up, coord + Vector2.UnitX * sizeUV));
verts.Add(new VertexPositionNormalTexture(block.Position + offset + new Vector3(0, 1, 1) * scale, Vector3.Up, coord + Vector2.UnitY * sizeUV));
verts.Add(new VertexPositionNormalTexture(block.Position + offset + new Vector3(1, 1, 1) * scale, Vector3.Up, coord + Vector2.One * sizeUV));
inds.Add(i);
inds.Add(i + 1);
inds.Add(i + 2);
inds.Add(i + 1);
inds.Add(i + 3);
inds.Add(i + 2);
break;
case BlockFace.Bottom:
coord = new Vector2(((int)block.Type - 1) * sizeUV.X, sizeUV.Y);
verts.Add(new VertexPositionNormalTexture(block.Position + offset + new Vector3(0, 0, 0) * scale, Vector3.Down, coord));
verts.Add(new VertexPositionNormalTexture(block.Position + offset + new Vector3(1, 0, 0) * scale, Vector3.Down, coord + Vector2.UnitX * sizeUV));
verts.Add(new VertexPositionNormalTexture(block.Position + offset + new Vector3(0, 0, 1) * scale, Vector3.Down, coord + Vector2.UnitY * sizeUV));
verts.Add(new VertexPositionNormalTexture(block.Position + offset + new Vector3(1, 0, 1) * scale, Vector3.Down, coord + Vector2.One * sizeUV));
inds.Add(i);
inds.Add(i + 2);
inds.Add(i + 1);
inds.Add(i + 1);
inds.Add(i + 2);
inds.Add(i + 3);
break;
case BlockFace.Back:
coord = new Vector2(((int)block.Type - 1) * sizeUV.X, sizeUV.Y * 2);
verts.Add(new VertexPositionNormalTexture(block.Position + offset + new Vector3(0, 1, 1) * scale, Vector3.Backward, coord));
verts.Add(new VertexPositionNormalTexture(block.Position + offset + new Vector3(1, 1, 1) * scale, Vector3.Backward, coord + Vector2.UnitX * sizeUV));
verts.Add(new VertexPositionNormalTexture(block.Position + offset + new Vector3(0, 0, 1) * scale, Vector3.Backward, coord + Vector2.UnitY * sizeUV));
verts.Add(new VertexPositionNormalTexture(block.Position + offset + new Vector3(1, 0, 1) * scale, Vector3.Backward, coord + Vector2.One * sizeUV));
inds.Add(i);
inds.Add(i + 1);
inds.Add(i + 2);
inds.Add(i + 1);
inds.Add(i + 3);
inds.Add(i + 2);
break;
case BlockFace.Front:
coord = new Vector2(((int)block.Type - 1) * sizeUV.X, sizeUV.Y * 3);
verts.Add(new VertexPositionNormalTexture(block.Position + offset + new Vector3(0, 1, 0) * scale, Vector3.Forward, coord));
verts.Add(new VertexPositionNormalTexture(block.Position + offset + new Vector3(1, 1, 0) * scale, Vector3.Forward, coord + Vector2.UnitX * sizeUV));
verts.Add(new VertexPositionNormalTexture(block.Position + offset + new Vector3(0, 0, 0) * scale, Vector3.Forward, coord + Vector2.UnitY * sizeUV));
verts.Add(new VertexPositionNormalTexture(block.Position + offset + new Vector3(1, 0, 0) * scale, Vector3.Forward, coord + Vector2.One * sizeUV));
inds.Add(i);
inds.Add(i + 2);
inds.Add(i + 1);
inds.Add(i + 1);
inds.Add(i + 2);
inds.Add(i + 3);
break;
case BlockFace.Right:
coord = new Vector2(((int)block.Type - 1) * sizeUV.X, sizeUV.Y * 4);
verts.Add(new VertexPositionNormalTexture(block.Position + offset + new Vector3(1, 1, 1) * scale, Vector3.Right, coord));
verts.Add(new VertexPositionNormalTexture(block.Position + offset + new Vector3(1, 1, 0) * scale, Vector3.Right, coord + Vector2.UnitX * sizeUV));
verts.Add(new VertexPositionNormalTexture(block.Position + offset + new Vector3(1, 0, 1) * scale, Vector3.Right, coord + Vector2.UnitY * sizeUV));
verts.Add(new VertexPositionNormalTexture(block.Position + offset + new Vector3(1, 0, 0) * scale, Vector3.Right, coord + Vector2.One * sizeUV));
inds.Add(i);
inds.Add(i + 1);
inds.Add(i + 2);
inds.Add(i + 1);
inds.Add(i + 3);
inds.Add(i + 2);
break;
case BlockFace.Left:
coord = new Vector2(((int)block.Type - 1) * sizeUV.X, sizeUV.Y * 5);
verts.Add(new VertexPositionNormalTexture(block.Position + offset + new Vector3(0, 1, 1) * scale, Vector3.Left, coord));
verts.Add(new VertexPositionNormalTexture(block.Position + offset + new Vector3(0, 1, 0) * scale, Vector3.Left, coord + Vector2.UnitX * sizeUV));
verts.Add(new VertexPositionNormalTexture(block.Position + offset + new Vector3(0, 0, 1) * scale, Vector3.Left, coord + Vector2.UnitY * sizeUV));
verts.Add(new VertexPositionNormalTexture(block.Position + offset + new Vector3(0, 0, 0) * scale, Vector3.Left, coord + Vector2.One * sizeUV));
inds.Add(i);
inds.Add(i + 2);
inds.Add(i + 1);
inds.Add(i + 1);
inds.Add(i + 2);
inds.Add(i + 3);
break;
}
}
public bool SetBlock(int x, int y, int z, Block block)
{
foreach (Chunk c in Chunks)
if (c.X == x / Chunk.CHUNK_SIZE && c.Z == z / Chunk.CHUNK_SIZE)
return c.SetBlock(x, y, z, block);
return false;
}
