Initial commit

internal/asset/texture.go

@@ -0,0 +1,43 @@
+package asset
+
+import (
+	_ "image/png"
+
+	"log"
+
+	"edgaru089.ml/go/gl01/internal/util"
+)
+
+// WorldTextureAtlas holds all the world block textures.
+var WorldTextureAtlas util.Atlas
+
+func InitWorldTextureAtlas() {
+	if WorldTextureAtlas.HasBuilt() {
+		return
+	}
+
+	files, err := FS.ReadDir("texture/world")
+	if err != nil {
+		panic("InitWorldTextureAtlas: embed.FS.ReadDir(\"texture/world\"): " + err.Error())
+	}
+
+	for _, f := range files {
+		if f.IsDir() {
+			continue
+		}
+
+		name := f.Name()
+
+		file, err := FS.Open("texture/world/" + name)
+		if err != nil { // Shouldn't be error?
+			panic(err)
+		}
+
+		err = WorldTextureAtlas.AddFile(name, file)
+		if err != nil {
+			log.Printf("WARN: InitWorldTextureAtlas: img %s failed to decode: %s", name, err)
+		}
+	}
+
+	WorldTextureAtlas.BuildTexture( /*false*/ )
+}