public ChunkData Load(int x, int y)
{
var rand = new Random(seed + x + y * 1024);
var chunk = new ChunkData(x, y, new byte[16 * 16 * 128]);
for (int tx = 0; tx < 16; tx++) {
for (int tz = 0; tz < 16; tz++) {
for (int ty = 0; ty < 1; ty++) {
chunk.SetBlock(tx, ty, tz, 1);
}
for (int ty = 1; ty < 3; ty++) {
if (rand.Next(10) <= 7) {
chunk.SetBlock(tx, ty, tz, 10);
} else {
chunk.SetBlock(tx, ty, tz, 1);
}
}
if (rand.Next(20) < 1) {
for (int ty = 0; ty < 128; ty++) {
chunk.SetBlock(tx, ty, tz, 8);
}
} else {
for (int ty = 64; ty < 100; ty++) {
chunk.SetBlock(tx, ty, tz, 8);
}
}
for (int ty = 100; ty < 101; ty++) {
if (rand.Next(10) <= 7)
chunk.SetBlock(tx, ty, tz, 2);
}
for (int ty = 0; ty < 128; ty++) {
var t = chunk.GetBlock(tx, ty, tz);
if (t == 0 || t == 10 || t == 8)
chunk.SkyLight.SetValue(tx, ty, tz, 15);
if (t == 10)
chunk.BlockLight.SetValue(tx, ty, tz, 15);
}
}
}
return chunk;
}
protected void DoSkyLight(ChunkData chunk, int x, int ystart, int z)
{
var tileX = chunk.X * 16 + x;
var tileZ = chunk.Y * 16 + z;
var height = chunk.GetHeight(x, z);
// From where should we start calculating
int newHeight = Math.Max(height, ystart);
// We need to cast light through transparent blocks
while (newHeight > 0 && Block.LightAbsorbs[chunk.GetBlock(x, newHeight - 1, z)] == 0)
newHeight--;
// Nothing changed, we don't need to calculate
if (newHeight == height)
return;
chunk.SetHeight(x, z, newHeight);
/* The new height is lower than the last, that means all the tiles
* above are fully lit */
if (newHeight < height) {
for (int y = newHeight; y < height; y++) {
chunk.SkyLight.SetValue(x, y, z, 15);
}
} else if (newHeight > height) {
ScheduleUpdate(LightType.Sky, new Box(tileX, height, tileZ, tileX, newHeight, tileZ));
for (int y = height; y < newHeight; y++) {
chunk.SkyLight.SetValue(x, y, z, 0);
}
}
}
