46 lines
951 B
Go
46 lines
951 B
Go
package gen
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import (
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"testing"
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)
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func TestXoroshiroFromString(t *testing.T) {
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x := XoroshiroFromString("minecraft:offset")
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if x.L != 0x080518cf6af25384 || x.H != 0x3f3dfb40a54febd5 {
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t.Errorf("bad L: %x, H: %x", x.L, x.H)
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}
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}
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func TestSeedChain(t *testing.T) {
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var worldSeed int64 = 70388202460762
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x := XoroshiroFromSeed(worldSeed)
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x.XorString("minecraft:entities/wither_skeleton")
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x.Mix()
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i := 0
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for {
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_ = x.NextBound(1)
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_ = x.NextBound(2)
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if x.NextFloat() < 0.025 {
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i++
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} else {
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break
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}
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}
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if i != 7 {
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t.Errorf("expected 7, got %d", i)
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}
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}
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func TestBiome(t *testing.T) {
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var worldSeed int64 = 70388202460762
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x := XoroshiroFromSeed(worldSeed)
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x.Mix()
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b := BiomeNoiseFromXoroshiro(x, false)
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_, _, _, _, _, _, combinedData, _ := b.Sample(-1, -16, 0)
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expected := [6]int64{3238, 3521, 2364, 1396, 10062, 2202}
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if combinedData != expected {
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t.Errorf("combinedData = %v, want %v", combinedData, expected)
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}
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}
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