mc root source folder cleanup

2026-06-27 13:54:54 +02:00
parent b2784574bd
commit 666f250b3e
480 changed files with 325 additions and 325 deletions
@@ -0,0 +1,109 @@
+package anvil
+
+import (
+	"strings"
+	"unsafe"
+
+	data2 "github.com/admin-else/strom/mc/data"
+	level2 "github.com/admin-else/strom/mc/level"
+	"github.com/admin-else/strom/mc/util"
+)
+
+type Chunk struct {
+	DataVersion      int32
+	Heightmaps       map[string][]int64
+	InhabitedTime    int64
+	XPos, YPos, ZPos int32
+	Sections         []Section
+}
+
+const McPrefix = "minecraft:"
+
+func (c Chunk) ToStorage(version string) (toChunk *level2.Chunk, err error) {
+	f := level2.MakeBlockFormat(version)
+	toChunk = new(level2.Chunk)
+	toChunk.Version = version
+
+	toChunk.Sections = make([]level2.Section, len(c.Sections))
+	for i, s := range c.Sections {
+		pallete := make([]int32, len(s.BlockStates.Palette))
+		for j, p := range s.BlockStates.Palette {
+			pallete[j], err = data2.StateIdFromBlocKAndStateMap(version, strings.TrimPrefix(p.Name, McPrefix), p.Properties)
+			if err != nil {
+				return
+			}
+		}
+		// this is probably fine
+
+		if s.BlockStates.Data != nil {
+			uintSlice := unsafe.Slice((*uint64)(unsafe.Pointer(unsafe.SliceData(s.BlockStates.Data))), len(s.BlockStates.Data))
+			bpe := util.BpeByNum(float64(len(s.BlockStates.Palette)))
+			toChunk.Sections[i].Blocks, err = f.Import(uintSlice, bpe, pallete)
+			if err != nil {
+				return
+			}
+			toChunk.Sections[i].BlockCount = int16(level2.BlocksPerChunkSection - level2.CountStorage(toChunk.Sections[i].Blocks, 0))
+		} else {
+			var fillerId = int32(0)
+			if len(pallete) == 1 {
+				fillerId = pallete[0]
+				if fillerId != 0 {
+					toChunk.Sections[i].BlockCount = level2.BlocksPerChunkSection
+				}
+			}
+			toChunk.Sections[i].Blocks, err = f.FullWith(fillerId)
+			if err != nil {
+				return
+			}
+		}
+	}
+	f = level2.MakeBiomeFormat(version)
+	for i, s := range c.Sections {
+		pallete := make([]int32, len(s.Biomes.Palette))
+		for j, p := range s.Biomes.Palette {
+			var b *data2.Biome
+			b, ok := data2.LookupBiomeByName(version, strings.TrimPrefix(p, McPrefix))
+			if !ok {
+				err = data2.UnknownBiomeNameErr
+				return
+			}
+			pallete[j] = b.Id
+		}
+
+		if s.Biomes.Data != nil {
+
+			// this is probably fine
+			uintSlice := unsafe.Slice((*uint64)(unsafe.Pointer(unsafe.SliceData(s.Biomes.Data))), len(s.Biomes.Data))
+			bpe := util.BpeByNum(float64(len(pallete)))
+			toChunk.Sections[i].Biomes, err = f.Import(uintSlice, bpe, pallete)
+			if err != nil {
+				return
+			}
+		} else {
+			var fillerId = int32(0)
+			if len(pallete) == 1 {
+				fillerId = pallete[0]
+			}
+			toChunk.Sections[i].Biomes, err = f.FullWith(fillerId)
+			if err != nil {
+				return
+			}
+		}
+	}
+	return
+}
+
+type Section struct {
+	Y           int8
+	BlockStates struct {
+		Data    []int64 `nbt:"data,omitempty"`
+		Palette []struct {
+			Name       string
+			Properties map[string]string `nbt:"Properties,omitempty"`
+		}
+	} `nbt:"block_states,omitempty"`
+	Biomes struct {
+		Data    []int64 `nbt:"data,omitempty"`
+		Palette []string
+	} `nbt:"biomes,omitempty"`
+}