Parse chests data

lihzahrd/chests/__init__.py

@@ -0,0 +1,5 @@
+from .itemtype import ItemType
+from .itemstack import ItemStack
+from .chest import Chest
+
+__all__ = ["ItemType", "ItemStack", "Chest"]

lihzahrd/chests/chest.py

@@ -0,0 +1,14 @@
+import typing
+from .itemstack import ItemStack
+from ..fileutils import Coordinates
+
+
+class Chest:
+    """A chest with its contents."""
+    def __init__(self, position: Coordinates, name: str, contents: typing.List[ItemStack]):
+        self.position: Coordinates = position
+        self.name: str = name
+        self.contents: typing.List[ItemStack] = contents
+
+    def __repr__(self):
+        return f"<Chest '{self.name}' at {self.position}>"

lihzahrd/chests/itemstack.py

@@ -0,0 +1,21 @@
+from .itemtype import ItemType
+
+
+class ItemStack:
+    """A stack of a certain item."""
+    def __init__(self,
+                 type_: ItemType,
+                 quantity: int = 1,
+                 modifier: int = 0):
+
+        self.type: ItemType = type_
+        """The type of item represented in this stack."""
+
+        self.quantity: int = quantity
+        """A number from 1 to 999 representing the number of items inside this stack."""
+
+        self.modifier: int = modifier
+        """The modifier of the item in this stack. Should be set only when quantity is 1."""
+
+    def __repr__(self):
+        return f"<ItemStack of {self.quantity}x {repr(self.type)} ({self.modifier})>"

lihzahrd/fileutils/__init__.py

@@ -1,5 +1,6 @@
 from .filereader import FileReader
 from .rect import Rect
 from .pointers import Pointers
+from .coordinates import Coordinates
 
-__all__ = ["FileReader", "Rect", "Pointers"]
+__all__ = ["FileReader", "Rect", "Pointers", "Coordinates"]

lihzahrd/header/__init__.py

@@ -4,7 +4,6 @@ from .anglerquestfish import AnglerQuestFish
 from .backgrounds import Backgrounds
 from .bossesdefeated import BossesDefeated
 from .clouds import Clouds
-from .coordinates import Coordinates
 from .events import Events
 from .fourpartsplit import FourPartSplit
 from .generatorinfo import GeneratorInfo
@@ -33,7 +32,6 @@ __all__ = [
     "Backgrounds",
     "BossesDefeated",
     "Clouds",
-    "Coordinates",
     "Events",
     "FourPartSplit",
     "GeneratorInfo",
@@ -57,17 +55,3 @@ __all__ = [
     "Version",
     "WorldEvilType"
 ]
-
-
-
-
-
-
-
-
-
-
-
-
-
-

lihzahrd/world.py

@@ -42,9 +42,11 @@ class World:
                  clouds: Clouds,
                  cultist_delay: int,
                  tiles: typing.List[typing.List[Tile]],
+                 chests: typing.List[Chest],
                  unknown_file_format_data: bytearray,
                  unknown_world_header_data: bytearray,
-                 unknown_world_tiles_data: bytearray):
+                 unknown_world_tiles_data: bytearray,
+                 unknown_chests_data: bytearray):
 
         self.version: Version = version
         """The game version when this savefile was last saved."""
@@ -127,6 +129,8 @@ class World:
         self.anglers_quest: AnglerQuest = anglers_quest
         """Information about today's Angler's Quest."""
 
+        self.chests: typing.List[Chest] = chests
+
         self.tiles: typing.List[typing.List[Tile]] = tiles
 
         self.clouds: Clouds = clouds
@@ -134,6 +138,7 @@ class World:
         self.unknown_file_format_data: bytearray = unknown_file_format_data
         self.unknown_world_header_data: bytearray = unknown_world_header_data
         self.unknown_world_tiles_data: bytearray = unknown_world_tiles_data
+        self.unknown_chests_data: bytearray = unknown_chests_data
 
     def __repr__(self):
         return f'<World "{self.name}">'
@@ -490,15 +495,28 @@ class World:
             chests_count = f.int2()
             chests_max_items = f.int2()
 
-            for _ in range(chests_max_items):
+            for _ in range(chests_count):
-                chest_x = f.int4()
+                chest_position = Coordinates(x=f.int4(), y=f.int4())
-                chest_y = f.int4()
                 chest_name = f.string()
+                chest_contents = []
 
-                item_count = f.int2()
+                for _ in range(chests_max_items):
-                if item_count > 0:
+                    item_quantity = f.int2()
-                    item_id = f.int4()
+                    if item_quantity > 0:
-                    item_prefix = f.uint1()
+                        item_type = ItemType(f.int4())
+                        item_modifier = f.uint1()
+                        item = ItemStack(quantity=item_quantity,
+                                         type_=item_type,
+                                         modifier=item_modifier)
+                    else:
+                        item = None
+                    chest_contents.append(item)
+                chest = Chest(position=chest_position,
+                              name=chest_name,
+                              contents=chest_contents)
+                chests.append(chest)
+
+            unknown_chests_data = f.read_until(pointers.signs)
 
         breakpoint()
 
@@ -509,8 +527,9 @@ class World:
                       time=time, events=events, dungeon_point=dungeon_point, world_evil=world_evil,
                       saved_npcs=saved_npcs, altars_smashed=altars_smashed, is_hardmode=is_hardmode,
                       shadow_orbs=shadow_orbs, bosses_defeated=bosses_defeated, anglers_quest=anglers_quest,
-                      clouds=clouds, cultist_delay=cultist_delay, tiles=tiles,
+                      clouds=clouds, cultist_delay=cultist_delay, tiles=tiles, chests=chests,
                       unknown_file_format_data=unknown_file_format_data,
                       unknown_world_header_data=unknown_world_header_data,
-                      unknown_world_tiles_data=unknown_world_tiles_data)
+                      unknown_world_tiles_data=unknown_world_tiles_data,
+                      unknown_chests_data=unknown_chests_data)
         return world