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main.go
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main.go
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package main
import (
"bytes"
"compress/gzip"
_ "embed"
"go/format"
"log"
"os"
"text/template"
"github.com/maxsupermanhd/go-vmc/v764/internal/generateutils"
"github.com/maxsupermanhd/go-vmc/v764/nbt"
)
//go:embed blocks.go.tmpl
var tempSource string
var temp = template.Must(template.
New("block_template").
Funcs(template.FuncMap{
"UpperTheFirst": generateutils.UpperTheFirst,
"ToGoTypeName": generateutils.ToGoTypeName,
"GetType": GetType,
"Generator": func() string { return "generator/blocks/main.go" },
}).
Parse(tempSource),
)
type State struct {
Name string
Meta map[string]string
}
func main() {
var states []State
readBlockStates(&states)
// generate go source file
genSourceFile(states)
}
func readBlockStates(states *[]State) {
// open block_states data file
f, err := os.Open("blocks.nbt")
if err != nil {
log.Panic(err)
}
defer f.Close()
r, err := gzip.NewReader(f)
if err != nil {
log.Panic(err)
}
// parse the nbt format
if _, err := nbt.NewDecoder(r).Decode(states); err != nil {
log.Panic(err)
}
}
func genSourceFile(states []State) {
var source bytes.Buffer
if err := temp.Execute(&source, states); err != nil {
log.Panic(err)
}
formattedSource, err := format.Source(source.Bytes())
if err != nil {
panic(err)
}
err = os.WriteFile("blocks.go", formattedSource, 0o666)
if err != nil {
panic(err)
}
log.Print("Generated blocks.go")
}
var typeMaps = map[string]string{
"BooleanProperty": "Boolean",
"DirectionProperty": "Direction",
"IntegerProperty": "Integer",
}
func GetType(v string) string {
if mapped, ok := typeMaps[v]; ok {
return mapped
}
return v
}