82 lines
2.2 KiB
Go
82 lines
2.2 KiB
Go
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package packbuilder
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import (
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"encoding/json"
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"fmt"
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"image"
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"image/png"
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"os"
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"path/filepath"
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"strings"
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_ "unsafe" // Imported for compiler directives.
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"github.com/df-mc/dragonfly/server/world"
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)
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// buildBlocks builds all the block-related files for the resource pack. This includes textures, geometries, language
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// entries and terrain texture atlas.
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func buildBlocks(reg world.BlockRegistry, dir string) (count int, lang []string) {
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if err := os.MkdirAll(filepath.Join(dir, "models/blocks"), os.ModePerm); err != nil {
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panic(err)
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}
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if err := os.MkdirAll(filepath.Join(dir, "textures/blocks"), os.ModePerm); err != nil {
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panic(err)
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}
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textureData := make(map[string]any)
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for identifier, blk := range reg.CustomBlocks() {
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b, ok := blk.(world.CustomBlockBuildable)
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if !ok {
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continue
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}
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name := strings.Split(identifier, ":")[1]
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lang = append(lang, fmt.Sprintf("tile.%s.name=%s", identifier, b.Name()))
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for name, texture := range b.Textures() {
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textureData[name] = map[string]string{"textures": "textures/blocks/" + name}
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buildBlockTexture(dir, name, texture)
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}
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if b.Geometry() != nil {
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if err := os.WriteFile(filepath.Join(dir, "models/blocks", fmt.Sprintf("%s.geo.json", name)), b.Geometry(), 0666); err != nil {
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panic(err)
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}
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}
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count++
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}
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buildBlockAtlas(dir, map[string]any{
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"resource_pack_name": "vanilla",
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"texture_name": "atlas.terrain",
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"padding": 8,
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"num_mip_levels": 4,
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"texture_data": textureData,
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})
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return
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}
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// buildBlockTexture creates a PNG file for the block from the provided image and name and writes it to the pack.
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func buildBlockTexture(dir, name string, img image.Image) {
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texture, err := os.Create(filepath.Join(dir, fmt.Sprintf("textures/blocks/%s.png", name)))
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if err != nil {
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panic(err)
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}
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if err := png.Encode(texture, img); err != nil {
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_ = texture.Close()
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panic(err)
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}
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if err := texture.Close(); err != nil {
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panic(err)
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}
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}
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// buildBlockAtlas creates the identifier to texture mapping and writes it to the pack.
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func buildBlockAtlas(dir string, atlas map[string]any) {
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b, err := json.Marshal(atlas)
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if err != nil {
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panic(err)
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}
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if err := os.WriteFile(filepath.Join(dir, "textures/terrain_texture.json"), b, 0666); err != nil {
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panic(err)
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}
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}
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