AstralTransRocketries/Cubyz
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Generate all stone in underground LOD3+ chunks.

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This reduces the compressed size when initially sending chunks over the network by over 40%.
helps with #830
makes #720 less important
makes #631 less important
makes #444 more useful
fixes #135 (although in a different way than I expected)
This commit is contained in:
IntegratedQuantum 2025-01-29 22:19:22 +01:00
parent 7e1749de0e
commit a414d49637
1 changed files with 29 additions and 0 deletions
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29
src/server/terrain/chunkgen/TerrainGenerator.zig
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@ -18,10 +18,14 @@ pub const priority = 1024; // Within Cubyz the first to be executed, but mods mi
pub const generatorSeed = 0x65c7f9fdc0641f94;
var air: main.blocks.Block = undefined;
var stone: main.blocks.Block = undefined;
var water: main.blocks.Block = undefined;
pub fn init(parameters: ZonElement) void {
_ = parameters;
air = main.blocks.getBlockById("cubyz:air");
stone = main.blocks.getBlockById("cubyz:stone");
water = main.blocks.getBlockById("cubyz:water");
}
@ -30,6 +34,31 @@ pub fn deinit() void {
}
pub fn generate(worldSeed: u64, chunk: *main.chunk.ServerChunk, caveMap: CaveMap.CaveMapView, biomeMap: CaveBiomeMap.CaveBiomeMapView) void {
if(chunk.super.pos.voxelSize >= 8) {
var maxHeight: i32 = 0;
var minHeight: i32 = std.math.maxInt(i32);
var dx: i32 = -1;
while(dx < main.chunk.chunkSize + 1) : (dx += 1) {
var dy: i32 = -1;
while(dy < main.chunk.chunkSize + 1) : (dy += 1) {
const height = biomeMap.getSurfaceHeight(chunk.super.pos.wx +% dx*chunk.super.pos.voxelSize, chunk.super.pos.wy +% dy*chunk.super.pos.voxelSize);
maxHeight = @max(maxHeight, height);
minHeight = @min(minHeight, height);
}
}
if(minHeight > chunk.super.pos.wz +| chunk.super.width) {
chunk.super.data.deinit();
chunk.super.data.init();
chunk.super.data.palette[0] = stone;
return;
}
if(maxHeight < chunk.super.pos.wz) {
chunk.super.data.deinit();
chunk.super.data.init();
chunk.super.data.palette[0] = air;
return;
}
}
const voxelSizeShift = @ctz(chunk.super.pos.voxelSize);
var x: u31 = 0;
while(x < chunk.super.width) : (x += chunk.super.pos.voxelSize) {