feat: add atlases support for mc 1.19.3

beet/library/resource_pack.py

@@ -24,6 +24,7 @@
 from copy import deepcopy
 from dataclasses import dataclass
 from typing import Any, ClassVar, Dict, Optional, Tuple, Type
+from contextlib import suppress
 
 try:
     from PIL.Image import Image
@@ -260,6 +261,53 @@ class Particle(JsonFile):
     extension: ClassVar[str] = ".json"
 
 
+class Atlas(JsonFile):
+    """Class representing an atlas configuration file."""
+
+    scope: ClassVar[Tuple[str, ...]] = ("atlases",)
+    extension: ClassVar[str] = ".json"
+
+    def merge(self, other: "Atlas") -> bool:  # type: ignore
+        values = self.data.setdefault("sources", [])
+
+        for value in other.data.get("sources", []):
+            if value not in values:
+                values.append(deepcopy(value))
+        return True
+
+    def append(self, other: "Atlas"):
+        """Append values from another atlas."""
+
+        self.merge(other)
+
+    def prepend(self, other: "Atlas"):
+        """Prepend values from another atlas."""
+
+        values = self.data.setdefault("sources", [])
+
+        for value in other.data.get("sources", []):
+            if value not in values:
+                values.insert(0, deepcopy(value))
+
+    def add(self, value: str):
+        """Add an entry."""
+
+        values = self.data.setdefault("sources", [])
+        if value not in values:
+            values.append(value)
+
+    def remove(self, value: str):
+        """Remove an entry."""
+
+        values = self.data.setdefault("sources", [])
+        with suppress(ValueError):
+            values.remove(value)
+
+    @classmethod
+    def default(cls) -> JsonDict:
+        return {"sources": []}
+
+
 class ResourcePackNamespace(Namespace):
     """Class representing a resource pack namespace."""