mc root source folder cleanup

mc/level/structure/structure.go

@@ -0,0 +1,44 @@
+package structure
+
+import (
+	"github.com/admin-else/strom/mc/nbt"
+	"github.com/go-viper/mapstructure/v2"
+)
+
+func Load(fileName string) (s *Structure, err error) {
+	n, err := nbt.ReadUnstructuredFilePath(fileName)
+	if err != nil {
+		return
+	}
+	s = &Structure{}
+	err = mapstructure.Decode(n.Value, s)
+	return
+}
+
+type Structure struct {
+	DataVersion int32
+	Blocks      []struct {
+		Pos   [3]int32
+		State int
+	}
+	Palette []struct {
+		Name       string
+		Properties map[string]string
+	}
+	Size [3]int32
+}
+
+func (s *Structure) GetBlock(x, y, z int32) (name string) {
+	for _, block := range s.Blocks {
+		if block.Pos[0] == x && block.Pos[1] == y && block.Pos[2] == z {
+			palletIndex := block.State
+
+			if palletIndex >= len(s.Palette) {
+				return ""
+			}
+
+			return s.Palette[palletIndex].Name
+		}
+	}
+	return ""
+}