403 lines
12 KiB
Go
403 lines
12 KiB
Go
package world
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import (
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"encoding/binary"
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"io"
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"os"
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"sort"
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"testing"
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"regionio/internal/worldgen"
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)
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type oreDifference struct {
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extra, missing int
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}
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func TestRegionOreReplayParityDiagnostic(t *testing.T) {
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if os.Getenv("REGIONIO_REGION_ORE_DIAGNOSTIC") != "1" {
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t.Skip("set REGIONIO_REGION_ORE_DIAGNOSTIC=1 to run region ore replay parity")
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}
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fixtures, seed := loadOreFixtureChunks(t)
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od, err := worldgen.LoadOverworldFinalDensity(seed)
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if err != nil {
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t.Fatal(err)
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}
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fluidPicker := worldgen.OverworldFluidPicker(od.SeaLevel)
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veins := worldgen.NewOreVeinifier(od)
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carver, err := worldgen.NewCarver(od, seed)
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if err != nil {
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t.Fatal(err)
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}
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initCarverReplaceable(carver.ReplaceableBlocks())
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var blockTotal, regionExact, regionOreMismatch, centerExact, centerOreMismatch, legacyExact, legacyOreMismatch int
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regionByState := make(map[uint16]*oreDifference)
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centerByState := make(map[uint16]*oreDifference)
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legacyByState := make(map[uint16]*oreDifference)
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for _, fixture := range fixtures {
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var chunks []*Chunk
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for cx := fixture.x - 2; cx <= fixture.x+2; cx++ {
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for cz := fixture.z - 2; cz <= fixture.z+2; cz++ {
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chunks = append(chunks, generateVanillaWithoutDecoration(od, fluidPicker, veins, carver, seed, cx, cz))
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}
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}
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region, err := newDecorationRegion(chunks)
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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.replayScheduledOres(seed, fixture.x, fixture.z); err != nil {
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t.Fatal(err)
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}
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regionChunk := region.chunks[[2]int32{fixture.x, fixture.z}]
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var centerChunks []*Chunk
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for cx := fixture.x - 1; cx <= fixture.x+1; cx++ {
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for cz := fixture.z - 1; cz <= fixture.z+1; cz++ {
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centerChunks = append(centerChunks, generateVanillaWithoutDecoration(od, fluidPicker, veins, carver, seed, cx, cz))
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}
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}
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centerRegion, err := newDecorationRegion(centerChunks)
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if err != nil {
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t.Fatal(err)
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}
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if err := centerRegion.setSource(fixture.x, fixture.z); err != nil {
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t.Fatal(err)
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}
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if err := centerRegion.placeScheduledOres(seed); err != nil {
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t.Fatal(err)
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}
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centerChunk := centerRegion.chunks[[2]int32{fixture.x, fixture.z}]
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legacyChunk := generateVanillaWithoutDecoration(od, fluidPicker, veins, carver, seed, fixture.x, fixture.z)
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var biomeNames [16][16]string
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baseX, baseZ := int(fixture.x)*16, int(fixture.z)*16
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for x := 0; x < 16; x++ {
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for z := 0; z < 16; z++ {
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biomeNames[x][z] = BiomeNameAt(od, baseX+x, baseZ+z)
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}
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}
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placeVanillaOres(legacyChunk, seed, fixture.x, fixture.z, &biomeNames)
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index := 0
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for y := MinY; y < MinY+WorldHeight; y++ {
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for z := 0; z < 16; z++ {
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for x := 0; x < 16; x++ {
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regionGot := regionChunk.GetBlock(x, y, z)
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centerGot := centerChunk.GetBlock(x, y, z)
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legacyGot := legacyChunk.GetBlock(x, y, z)
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want := fixture.blocks[index]
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index++
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blockTotal++
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if regionGot == want {
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regionExact++
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} else if isOreState(regionGot) || isOreState(want) {
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regionOreMismatch++
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countOreDifference(regionByState, regionGot, want)
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}
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if centerGot == want {
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centerExact++
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} else if isOreState(centerGot) || isOreState(want) {
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centerOreMismatch++
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countOreDifference(centerByState, centerGot, want)
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}
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if legacyGot == want {
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legacyExact++
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} else if isOreState(legacyGot) || isOreState(want) {
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legacyOreMismatch++
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countOreDifference(legacyByState, legacyGot, want)
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}
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}
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}
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}
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}
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t.Logf("region ore replay block exact %d/%d (%.3f%%), ore mismatches %d", regionExact, blockTotal, percent(regionExact, blockTotal), regionOreMismatch)
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t.Logf("center-only generic block exact %d/%d (%.3f%%), ore mismatches %d", centerExact, blockTotal, percent(centerExact, blockTotal), centerOreMismatch)
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t.Logf("legacy ore-only block exact %d/%d (%.3f%%), ore mismatches %d", legacyExact, blockTotal, percent(legacyExact, blockTotal), legacyOreMismatch)
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logOreDifferences(t, "region", regionByState)
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logOreDifferences(t, "center", centerByState)
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logOreDifferences(t, "legacy", legacyByState)
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}
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func TestRegionOreFeatureIndexDiagnostic(t *testing.T) {
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if os.Getenv("REGIONIO_ORE_INDEX_DIAGNOSTIC") != "1" {
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t.Skip("set REGIONIO_ORE_INDEX_DIAGNOSTIC=1 to scan ore feature indices")
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}
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fixtures, seed := loadOreFixtureChunks(t)
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od, err := worldgen.LoadOverworldFinalDensity(seed)
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if err != nil {
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t.Fatal(err)
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}
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fluidPicker := worldgen.OverworldFluidPicker(od.SeaLevel)
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veins := worldgen.NewOreVeinifier(od)
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carver, err := worldgen.NewCarver(od, seed)
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if err != nil {
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t.Fatal(err)
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}
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initCarverReplaceable(carver.ReplaceableBlocks())
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for offset := -12; offset <= 12; offset++ {
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mismatches := 0
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for _, fixture := range fixtures {
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var chunks []*Chunk
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for cx := fixture.x - 1; cx <= fixture.x+1; cx++ {
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for cz := fixture.z - 1; cz <= fixture.z+1; cz++ {
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chunks = append(chunks, generateVanillaWithoutDecoration(od, fluidPicker, veins, carver, seed, cx, cz))
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}
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}
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region, err := newDecorationRegion(chunks)
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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(fixture.x, fixture.z); err != nil {
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t.Fatal(err)
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}
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if err := region.placeScheduledOresAtOffset(seed, offset); err != nil {
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t.Fatal(err)
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}
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chunk := region.chunks[[2]int32{fixture.x, fixture.z}]
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index := 0
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for y := MinY; y < MinY+WorldHeight; y++ {
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for z := 0; z < 16; z++ {
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for x := 0; x < 16; x++ {
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got, want := chunk.GetBlock(x, y, z), fixture.blocks[index]
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index++
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if got != want && (isOreState(got) || isOreState(want)) {
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mismatches++
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}
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}
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}
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}
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}
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t.Logf("feature index offset %+d: ore mismatches %d", offset, mismatches)
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}
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}
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func TestRegionOreBiomeOrderDiagnostic(t *testing.T) {
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if os.Getenv("REGIONIO_ORE_ORDER_PARITY_DIAGNOSTIC") != "1" {
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t.Skip("set REGIONIO_ORE_ORDER_PARITY_DIAGNOSTIC=1 to compare biome orders against the fixture")
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}
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fixtures, seed := loadOreFixtureChunks(t)
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od, err := worldgen.LoadOverworldFinalDensity(seed)
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if err != nil {
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t.Fatal(err)
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}
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fluidPicker := worldgen.OverworldFluidPicker(od.SeaLevel)
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veins := worldgen.NewOreVeinifier(od)
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carver, err := worldgen.NewCarver(od, seed)
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if err != nil {
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t.Fatal(err)
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}
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initCarverReplaceable(carver.ReplaceableBlocks())
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set := mustFeatureSet(t)
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orders := map[string][]string{
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"climate": possibleBiomeOrder(),
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"registry": registryBiomeOrder(),
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"sorted": sortedBiomeNames(set),
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}
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clayState, ok := nameToStateID("minecraft:clay", nil)
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if !ok {
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t.Fatal("minecraft:clay state missing")
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}
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for _, label := range []string{"climate", "registry", "sorted"} {
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mismatches, clayMismatches := 0, 0
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for _, fixture := range fixtures {
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var chunks []*Chunk
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for cx := fixture.x - 1; cx <= fixture.x+1; cx++ {
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for cz := fixture.z - 1; cz <= fixture.z+1; cz++ {
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chunks = append(chunks, generateVanillaWithoutDecoration(od, fluidPicker, veins, carver, seed, cx, cz))
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}
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}
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region, err := newDecorationRegion(chunks)
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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(fixture.x, fixture.z); err != nil {
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t.Fatal(err)
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}
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if err := region.placeScheduledOresWithOrder(seed, orders[label], 0); err != nil {
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t.Fatal(err)
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}
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chunk := region.chunks[[2]int32{fixture.x, fixture.z}]
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for index, want := range fixture.blocks {
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y := MinY + index/(16*16)
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column := index % (16 * 16)
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z, x := column/16, column%16
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got := chunk.GetBlock(x, y, z)
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if got != want {
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mismatches++
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if got == clayState || want == clayState {
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clayMismatches++
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}
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}
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}
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}
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t.Logf("%s biome order: block mismatches %d, clay mismatches %d", label, mismatches, clayMismatches)
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}
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}
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func TestRegionOreFeatureContributionDiagnostic(t *testing.T) {
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if os.Getenv("REGIONIO_ORE_FEATURE_DIAGNOSTIC") != "1" {
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t.Skip("set REGIONIO_ORE_FEATURE_DIAGNOSTIC=1 to measure individual ore features")
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}
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fixtures, seed := loadOreFixtureChunks(t)
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od, err := worldgen.LoadOverworldFinalDensity(seed)
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if err != nil {
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t.Fatal(err)
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}
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fluidPicker := worldgen.OverworldFluidPicker(od.SeaLevel)
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veins := worldgen.NewOreVeinifier(od)
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carver, err := worldgen.NewCarver(od, seed)
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if err != nil {
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t.Fatal(err)
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}
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initCarverReplaceable(carver.ReplaceableBlocks())
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set := mustFeatureSet(t)
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steps, err := set.FeatureSteps(possibleBiomeOrder())
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if err != nil {
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t.Fatal(err)
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}
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for featureIndex, feature := range steps[undergroundOresStage] {
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placed := set.Placed[feature]
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if set.Configured[placed.Feature].Type != "minecraft:ore" {
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continue
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}
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generated := make(map[uint16]int)
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matching := make(map[uint16]int)
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columnMatching := make(map[uint16]int)
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for _, fixture := range fixtures {
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var chunks []*Chunk
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for cx := fixture.x - 1; cx <= fixture.x+1; cx++ {
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for cz := fixture.z - 1; cz <= fixture.z+1; cz++ {
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chunks = append(chunks, generateVanillaWithoutDecoration(od, fluidPicker, veins, carver, seed, cx, cz))
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}
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}
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region, err := newDecorationRegion(chunks)
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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(fixture.x, fixture.z); err != nil {
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t.Fatal(err)
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}
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chunk := region.chunks[[2]int32{fixture.x, fixture.z}]
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base := make([]uint16, len(fixture.blocks))
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for index := range base {
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y := MinY + index/(16*16)
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column := index % (16 * 16)
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z, x := column/16, column%16
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base[index] = chunk.GetBlock(x, y, z)
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}
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if err := region.placeScheduledOresFiltered(seed, possibleBiomeOrder(), 0, map[string]bool{feature: true}); err != nil {
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t.Fatal(err)
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}
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vanillaColumns := make(map[[3]int]bool)
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for index, state := range fixture.blocks {
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column := index % (16 * 16)
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z, x := column/16, column%16
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vanillaColumns[[3]int{int(state), x, z}] = true
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}
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for index, want := range fixture.blocks {
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y := MinY + index/(16*16)
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column := index % (16 * 16)
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z, x := column/16, column%16
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got := chunk.GetBlock(x, y, z)
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if got != base[index] {
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generated[got]++
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if got == want {
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matching[got]++
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}
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if vanillaColumns[[3]int{int(got), x, z}] {
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columnMatching[got]++
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}
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}
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}
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}
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var total, exact, columns, oreTotal, oreExact, oreColumns int
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for state, count := range generated {
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total += count
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exact += matching[state]
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columns += columnMatching[state]
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if isOreState(state) {
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oreTotal += count
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oreExact += matching[state]
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oreColumns += columnMatching[state]
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}
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}
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t.Logf("%s index=%d changed=%d exact=%d same_column=%d generated_ore=%d ore_exact=%d ore_same_column=%d",
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feature, featureIndex, total, exact, columns, oreTotal, oreExact, oreColumns)
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}
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}
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type oreFixtureChunk struct {
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x, z int32
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blocks []uint16
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}
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func loadOreFixtureChunks(t *testing.T) ([]oreFixtureChunk, int64) {
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t.Helper()
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f, err := os.Open(vanillaParityFixture)
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if err != nil {
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t.Fatal(err)
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}
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defer f.Close()
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var header [24]byte
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if _, err := io.ReadFull(f, header[:]); err != nil {
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t.Fatal(err)
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}
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if string(header[:8]) != "RIOPAR02" {
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t.Fatalf("bad parity fixture magic %q", header[:8])
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}
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seed := int64(binary.BigEndian.Uint64(header[8:16]))
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count := int(binary.BigEndian.Uint32(header[16:20]))
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fixtures := make([]oreFixtureChunk, count)
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var state [2]byte
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for i := range fixtures {
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var coords [8]byte
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if _, err := io.ReadFull(f, coords[:]); err != nil {
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t.Fatal(err)
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}
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fixtures[i].x = int32(binary.BigEndian.Uint32(coords[:4]))
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fixtures[i].z = int32(binary.BigEndian.Uint32(coords[4:]))
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fixtures[i].blocks = make([]uint16, 16*16*WorldHeight)
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for index := range fixtures[i].blocks {
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if _, err := io.ReadFull(f, state[:]); err != nil {
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t.Fatal(err)
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}
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fixtures[i].blocks[index] = binary.BigEndian.Uint16(state[:])
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}
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remaining := SectionCount*biomeCellsPerSection + 3*256
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if _, err := io.CopyN(io.Discard, f, int64(remaining*2)); err != nil {
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t.Fatal(err)
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}
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}
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return fixtures, seed
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}
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func countOreDifference(counts map[uint16]*oreDifference, got, want uint16) {
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if isOreState(got) {
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entry := counts[got]
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if entry == nil {
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entry = &oreDifference{}
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counts[got] = entry
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}
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entry.extra++
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}
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if isOreState(want) {
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entry := counts[want]
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if entry == nil {
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entry = &oreDifference{}
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counts[want] = entry
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}
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entry.missing++
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}
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}
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func logOreDifferences(t *testing.T, label string, counts map[uint16]*oreDifference) {
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t.Helper()
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states := make([]int, 0, len(counts))
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for state := range counts {
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states = append(states, int(state))
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}
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sort.Ints(states)
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for _, value := range states {
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state := uint16(value)
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entry := counts[state]
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t.Logf("%s %s: extra=%d missing=%d", label, stateLabel(state), entry.extra, entry.missing)
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}
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}
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