82 lines
2.1 KiB
Go
82 lines
2.1 KiB
Go
package packbuilder
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"github.com/df-mc/dragonfly/server/world"
|
|
"golang.org/x/image/colornames"
|
|
"image"
|
|
"image/png"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
_ "unsafe" // Imported for compiler directives.
|
|
)
|
|
|
|
// buildItems builds all the item-related files for the resource pack. This includes textures, language
|
|
// entries and item atlas.
|
|
func buildItems(dir string, customItems []world.CustomItem) (count int, lang []string) {
|
|
if err := os.Mkdir(filepath.Join(dir, "items"), os.ModePerm); err != nil {
|
|
panic(err)
|
|
}
|
|
if err := os.MkdirAll(filepath.Join(dir, "textures/items"), os.ModePerm); err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
textureData := make(map[string]any)
|
|
for _, item := range customItems {
|
|
identifier, _ := item.EncodeItem()
|
|
lang = append(lang, fmt.Sprintf("item.%s.name=%s", identifier, item.Name()))
|
|
|
|
name := strings.Split(identifier, ":")[1]
|
|
textureData[name] = map[string]string{"textures": fmt.Sprintf("textures/items/%s.png", name)}
|
|
|
|
buildItemTexture(dir, name, item.Texture())
|
|
|
|
count++
|
|
}
|
|
|
|
buildItemAtlas(dir, map[string]any{
|
|
"resource_pack_name": "vanilla",
|
|
"texture_name": "atlas.items",
|
|
"texture_data": textureData,
|
|
})
|
|
return
|
|
}
|
|
|
|
// buildItemTexture creates a PNG file for the item from the provided image and name and writes it to the pack.
|
|
func buildItemTexture(dir, name string, img image.Image) {
|
|
texture, err := os.Create(filepath.Join(dir, "textures/items", name+".png"))
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
if img == nil {
|
|
im := image.NewAlpha(image.Rect(0, 0, 64, 64))
|
|
for x := 0; x < im.Bounds().Dx(); x++ {
|
|
for y := 0; y < im.Bounds().Dy(); y++ {
|
|
im.Set(x, y, colornames.Goldenrod)
|
|
}
|
|
}
|
|
img = im
|
|
}
|
|
|
|
if err := png.Encode(texture, img); err != nil {
|
|
_ = texture.Close()
|
|
panic(err)
|
|
}
|
|
if err := texture.Close(); err != nil {
|
|
panic(err)
|
|
}
|
|
}
|
|
|
|
// buildItemAtlas creates the identifier to texture mapping and writes it to the pack.
|
|
func buildItemAtlas(dir string, atlas map[string]any) {
|
|
b, err := json.Marshal(atlas)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
if err := os.WriteFile(filepath.Join(dir, "textures/item_texture.json"), b, 0666); err != nil {
|
|
panic(err)
|
|
}
|
|
}
|