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This commit is contained in:
adman
2026-07-05 10:49:45 +02:00
parent a8b090227b
commit eab050e291
5 changed files with 38 additions and 25 deletions
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mc/gen/biome_noise.go
+26 -18
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@@ -26,14 +26,16 @@ var NoiseParamMap = map[NoiseParam]NoiseParamMapV{
NoiseParamWeirdness: {A: []float64{1, 2, 1, 0, 0, 0}, S: "minecraft:ridge", O: -7},
}
func InitClimateSeed(n NoiseParam, x Xoroshiro, large bool, nmax int) DoublePerlin {
func initClimateSeed(n NoiseParam, x Xoroshiro, large bool, nmax int) DoublePerlin {
v := NoiseParamMap[n]
s := v.S
omin := v.O
if large && n != NoiseParamShift && n != NoiseParamWeirdness {
s += "_large"
omin -= 2
}
x.XorString(s) // SLOW potential
return DoublePerlinFromXoroshiro(x, v.A, v.O, len(v.A), nmax)
x.XorString(s)
return DoublePerlinFromXoroshiro(&x, v.A, omin, len(v.A), nmax)
}
type BiomeNoise struct {
@@ -43,28 +45,34 @@ type BiomeNoise struct {
func BiomeNoiseFromXoroshiro(x Xoroshiro, large bool) (v BiomeNoise) {
x = x.Split()
v.Temperature = InitClimateSeed(NoiseParamTemperature, x, large, -1)
v.Humidity = InitClimateSeed(NoiseParamHumidity, x, large, -1)
v.ContinentalNess = InitClimateSeed(NoiseParamContinentalNess, x, large, -1)
v.Erosion = InitClimateSeed(NoiseParamErosion, x, large, -1)
v.Shift = InitClimateSeed(NoiseParamShift, x, large, -1)
v.Weirdness = InitClimateSeed(NoiseParamWeirdness, x, large, -1)
v.Temperature = initClimateSeed(NoiseParamTemperature, x, large, -1)
v.Humidity = initClimateSeed(NoiseParamHumidity, x, large, -1)
v.ContinentalNess = initClimateSeed(NoiseParamContinentalNess, x, large, -1)
v.Erosion = initClimateSeed(NoiseParamErosion, x, large, -1)
v.Shift = initClimateSeed(NoiseParamShift, x, large, -1)
v.Weirdness = initClimateSeed(NoiseParamWeirdness, x, large, -1)
return
}
func (b BiomeNoise) Sample(x, y, z int) {
func (b BiomeNoise) Sample(x, y, z int) (t, h, c, e, d, w float64, combinedData [6]int64, id int) {
px := float64(x)
pz := float64(z)
px += b.Shift.Sample(px, 0, pz) * 4
pz += b.Shift.Sample(pz, float64(x), 0) * 4
c := b.ContinentalNess.Sample(px, 0, pz)
e := b.Erosion.Sample(px, 0, pz)
w := b.Weirdness.Sample(px, 0, pz)
t := b.Temperature.Sample(px, 0, pz)
h := b.Humidity.Sample(px, 0, pz)
c = b.ContinentalNess.Sample(px, 0, pz)
e = b.Erosion.Sample(px, 0, pz)
w = b.Weirdness.Sample(px, 0, pz)
t = b.Temperature.Sample(px, 0, pz)
h = b.Humidity.Sample(px, 0, pz)
d := float64(0) // FIXME
var combinedData = [6]int64{int64(t * 10000), int64(h * 10000), int64(c * 10000), int64(e * 10000), int64(d * 10000), int64(w * 10000)}
_ = combinedData
combinedData = [6]int64{
int64(float32(t) * 10000.0),
int64(float32(h) * 10000.0),
int64(float32(c) * 10000.0),
int64(float32(e) * 10000.0),
int64(float32(d) * 10000.0),
int64(float32(w) * 10000.0),
}
return
}