73 lines
1.9 KiB
Go
73 lines
1.9 KiB
Go
package world
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import (
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"testing"
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"regionio/internal/worldgen"
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)
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func TestUnderwaterFloorMatchesColumnScanRange(t *testing.T) {
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chunk := NewChunk(0, 0, BiomePlains)
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region, err := newDecorationRegion([]*Chunk{chunk})
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if err != nil {
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t.Fatal(err)
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}
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for y := 7; y <= 10; y++ {
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chunk.SetBlock(3, y, 4, StateWater)
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}
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chunk.SetBlock(3, 6, 4, StateStone)
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if floor, ok := region.underwaterFloor(3, 10, 4, 5); !ok || floor != 6 {
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t.Fatalf("floor = %d, %v; want 6, true", floor, ok)
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}
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if _, ok := region.underwaterFloor(3, 10, 4, 4); ok {
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t.Fatal("floor outside Column.scan range was accepted")
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}
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}
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func TestUnderwaterMagmaPlacementIsDeterministic(t *testing.T) {
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makeRegion := func() *decorationRegion {
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chunk := NewChunk(0, 0, BiomePlains)
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for x := 6; x <= 10; x++ {
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for z := 6; z <= 10; z++ {
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for y := 0; y <= 5; y++ {
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chunk.SetBlock(x, y, z, StateStone)
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}
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for y := 6; y <= 10; y++ {
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chunk.SetBlock(x, y, z, StateWater)
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}
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}
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}
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region, err := newDecorationRegion([]*Chunk{chunk})
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if err != nil {
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t.Fatal(err)
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}
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if err := region.setSource(0, 0); err != nil {
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t.Fatal(err)
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}
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return region
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}
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config := worldgen.UnderwaterMagmaFeatureConfig{
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FloorSearchRange: 6, PlacementProbability: 1, PlacementRadiusAroundFloor: 1,
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}
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magma, ok := nameToStateID("minecraft:magma_block", nil)
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if !ok {
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t.Fatal("magma block state missing")
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}
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a, b := makeRegion(), makeRegion()
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origin := worldgen.FeaturePosition{X: 8, Y: 10, Z: 8}
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if !a.placeUnderwaterMagma(worldgen.NewWorldgenRandom(42), origin, config, magma) {
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t.Fatal("magma placement changed no blocks")
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}
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if !b.placeUnderwaterMagma(worldgen.NewWorldgenRandom(42), origin, config, magma) {
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t.Fatal("second magma placement changed no blocks")
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}
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for x := 6; x <= 10; x++ {
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for z := 6; z <= 10; z++ {
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for y := 0; y <= 10; y++ {
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if a.getBlock(x, y, z) != b.getBlock(x, y, z) {
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t.Fatalf("placements differ at (%d,%d,%d)", x, y, z)
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}
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}
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}
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}
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}
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