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Load vanilla feature stages and place ores

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This commit is contained in:
Daniar Mannanov 2026-08-10 23:20:43 +03:00
parent 28c11e2fc2
commit dd2ea56850
10 changed files with 779 additions and 6 deletions
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17
internal/worldgen/random.go
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@ -196,6 +196,23 @@ func (r *Legacy) SetLargeFeatureSeed(seed int64, chunkX, chunkZ int) {
r.SetSeed(int64(chunkX)*a ^ int64(chunkZ)*b ^ seed)
}
// SetDecorationSeed is WorldgenRandom.setDecorationSeed. It returns the seed
// used for the chunk's feature stages; individual features derive their seeds
// from this value, stage index, and feature index.
func (r *Legacy) SetDecorationSeed(seed int64, blockX, blockZ int) int64 {
r.SetSeed(seed)
a := r.NextLong() | 1
b := r.NextLong() | 1
decorationSeed := int64(blockX)*a + int64(blockZ)*b ^ seed
r.SetSeed(decorationSeed)
return decorationSeed
}
// SetFeatureSeed selects one configured feature in one decoration stage.
func (r *Legacy) SetFeatureSeed(decorationSeed int64, featureIndex, stage int) {
r.SetSeed(decorationSeed + int64(featureIndex) + int64(10000*stage))
}
// next returns the top `b` bits of the next LCG state.
func (r *Legacy) next(b uint) int32 {
r.seed = (r.seed*lcgMultiplier + lcgAddend) & lcgMask