98 lines
1.9 KiB
Go
98 lines
1.9 KiB
Go
//go:build generate
|
|
// +build generate
|
|
|
|
// gen_item.go generates item information.
|
|
package main
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"net/http"
|
|
"os"
|
|
"text/template"
|
|
|
|
"github.com/iancoleman/strcase"
|
|
)
|
|
|
|
const (
|
|
version = "1.17"
|
|
infoURL = "https://raw.githubusercontent.com/PrismarineJS/minecraft-data/master/data/pc/" + version + "/items.json"
|
|
//language=gohtml
|
|
itemTmpl = `// Code generated by gen_item.go DO NOT EDIT.
|
|
// Package item stores information about items in Minecraft.
|
|
package item
|
|
|
|
// ID describes the numeric ID of an item.
|
|
type ID uint32
|
|
|
|
// Item describes information about a type of item.
|
|
type Item struct {
|
|
ID ID
|
|
DisplayName string
|
|
Name string
|
|
StackSize uint
|
|
}
|
|
|
|
var (
|
|
{{- range .}}
|
|
{{.CamelName}} = Item{
|
|
ID: {{.ID}},
|
|
DisplayName: "{{.DisplayName}}",
|
|
Name: "{{.Name}}",
|
|
StackSize: {{.StackSize}},
|
|
}{{end}}
|
|
)
|
|
|
|
// ByID is an index of minecraft items by their ID.
|
|
var ByID = map[ID]*Item{ {{range .}}
|
|
{{.ID}}: &{{.CamelName}},{{end}}
|
|
}`
|
|
)
|
|
|
|
type Item struct {
|
|
ID uint32 `json:"id"`
|
|
CamelName string `json:"-"`
|
|
DisplayName string `json:"displayName"`
|
|
Name string `json:"name"`
|
|
StackSize uint `json:"stackSize"`
|
|
}
|
|
|
|
func downloadInfo() ([]*Item, error) {
|
|
resp, err := http.Get(infoURL)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
var data []*Item
|
|
if err := json.NewDecoder(resp.Body).Decode(&data); err != nil {
|
|
return nil, err
|
|
}
|
|
for _, d := range data {
|
|
d.CamelName = strcase.ToCamel(d.Name)
|
|
}
|
|
return data, nil
|
|
}
|
|
|
|
//go:generate go run $GOFILE
|
|
//go:generate go fmt item.go
|
|
func main() {
|
|
fmt.Println("generating item.go")
|
|
items, err := downloadInfo()
|
|
if err != nil {
|
|
fmt.Fprintf(os.Stderr, "Error: %v\n", err)
|
|
os.Exit(1)
|
|
}
|
|
|
|
f, err := os.Create("item.go")
|
|
if err != nil {
|
|
fmt.Fprintf(os.Stderr, "Error: %v\n", err)
|
|
os.Exit(1)
|
|
}
|
|
defer f.Close()
|
|
|
|
if err := template.Must(template.New("").Parse(itemTmpl)).Execute(f, items); err != nil {
|
|
panic(err)
|
|
}
|
|
}
|