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feat(world-gen): add MinCaveY ceiling to CaveCarver

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MDietermann
2026-06-01 18:42:29 +02:00
parent 262933238c
commit 89ac70f1ab
2 changed files with 18 additions and 0 deletions
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16
VoxelEngine.Tests/WorldGen/CaveCarverTests.cs
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@@ -183,4 +183,20 @@ public class CaveCarverTests
Assert.True(bothEmpty || bothCarved, Assert.True(bothEmpty || bothCarved,
$"seam mismatch: c1={airC1Seam}, c2={airC2Seam}"); $"seam mismatch: c1={airC1Seam}, c2={airC2Seam}");
} }
[Fact]
public void Carve_RespectsMinCaveY_NoCarvingAboveCeiling()
{
var cfg = new Configuration { MinCaveY = 20 };
var carver = new CaveCarver(seed: 42, Blocks, cfg);
Chunk c = MakeStoneChunk();
// Chunk Y=2 → worldY 32..47, all above MinCaveY=20 → must stay solid.
carver.Carve(c, new Vector3i(0, 2, 0));
for (int x = 0; x < Chunk.Size; x++)
for (int y = 0; y < Chunk.Size; y++)
for (int z = 0; z < Chunk.Size; z++)
Assert.Equal(Blocks.Stone.Id, c[x, y, z]);
}
} }

2
World/WorldGen/CaveCarver.cs
View File

@@ -51,6 +51,7 @@ public sealed class CaveCarver
{ {
int worldY = baseY + y; int worldY = baseY + y;
if (worldY <= 0) continue; if (worldY <= 0) continue;
if (worldY > this._cfg.MinCaveY) continue;
ushort id = chunk[x, y, z]; ushort id = chunk[x, y, z];
if (id == this._blocks.Air.Id) continue; if (id == this._blocks.Air.Id) continue;
@@ -160,6 +161,7 @@ public sealed class CaveCarver
{ {
int worldY = baseY + y; int worldY = baseY + y;
if (worldY <= 0) continue; if (worldY <= 0) continue;
if (worldY > this._cfg.MinCaveY) continue;
float vx = baseX + x + 0.5f; float vx = baseX + x + 0.5f;
float vy = baseY + y + 0.5f; float vy = baseY + y + 0.5f;