RegionIO/internal/world/underwater_magma_test.go

73 lines
1.9 KiB
Go

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