Links Awakening: Implement New Game (#1334)

Adds Link's Awakening: DX. Fully imports and forks LADXR, with permission - https://github.com/daid/LADXR

worlds/ladx/LADXR/locations/chest.py

@@ -0,0 +1,50 @@
+from .itemInfo import ItemInfo
+from .constants import *
+from ..assembler import ASM
+
+
+class Chest(ItemInfo):
+    def __init__(self, room):
+        super().__init__(room)
+        self.addr = room + 0x560
+
+    def patch(self, rom, option, *, multiworld=None):
+        rom.banks[0x14][self.addr] = CHEST_ITEMS[option]
+
+        if self.room == 0x1B6:
+            # Patch the code that gives the nightmare key when you throw the pot at the chest in dungeon 6
+            # As this is hardcoded for a specific chest type
+            rom.patch(3, 0x145D, ASM("ld a, $19"), ASM("ld a, $%02x" % (CHEST_ITEMS[option])))
+        if multiworld is not None:
+            rom.banks[0x3E][0x3300 + self.room] = multiworld
+
+    def read(self, rom):
+        value = rom.banks[0x14][self.addr]
+        for k, v in CHEST_ITEMS.items():
+            if v == value:
+                return k
+        raise ValueError("Could not find chest contents in ROM (0x%02x)" % (value))
+
+    def __repr__(self):
+        return "%s:%03x" % (self.__class__.__name__, self.room)
+
+
+class DungeonChest(Chest):
+    def patch(self, rom, option, *, multiworld=None):
+        if (option.startswith(MAP) and option != MAP) \
+                or (option.startswith(COMPASS)  and option != COMPASS) \
+                or (option.startswith(STONE_BEAK) and option != STONE_BEAK) \
+                    or (option.startswith(NIGHTMARE_KEY) and option != NIGHTMARE_KEY) \
+                    or (option.startswith(KEY) and option != KEY):
+            if self._location.dungeon == int(option[-1]) and multiworld is None:
+                option = option[:-1]
+        super().patch(rom, option, multiworld=multiworld)
+
+    def read(self, rom):
+        result = super().read(rom)
+        if result in [MAP, COMPASS, STONE_BEAK, NIGHTMARE_KEY, KEY]:
+            return "%s%d" % (result, self._location.dungeon)
+        return result
+
+    def __repr__(self):
+        return "%s:%03x:%d" % (self.__class__.__name__, self.room, self._location.dungeon)