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/tradeSequence.py

@@ -0,0 +1,55 @@
+from .itemInfo import ItemInfo
+from .constants import *
+from .droppedKey import DroppedKey
+
+TradeRequirements = {
+    TRADING_ITEM_YOSHI_DOLL: None,
+    TRADING_ITEM_RIBBON: TRADING_ITEM_YOSHI_DOLL,
+    TRADING_ITEM_DOG_FOOD: TRADING_ITEM_RIBBON,
+    TRADING_ITEM_BANANAS: TRADING_ITEM_DOG_FOOD,
+    TRADING_ITEM_STICK: TRADING_ITEM_BANANAS,
+    TRADING_ITEM_HONEYCOMB: TRADING_ITEM_STICK,
+    TRADING_ITEM_PINEAPPLE: TRADING_ITEM_HONEYCOMB,
+    TRADING_ITEM_HIBISCUS: TRADING_ITEM_PINEAPPLE,
+    TRADING_ITEM_LETTER: TRADING_ITEM_HIBISCUS,
+    TRADING_ITEM_BROOM: TRADING_ITEM_LETTER,
+    TRADING_ITEM_FISHING_HOOK: TRADING_ITEM_BROOM,
+    TRADING_ITEM_NECKLACE: TRADING_ITEM_FISHING_HOOK,
+    TRADING_ITEM_SCALE: TRADING_ITEM_NECKLACE,
+    TRADING_ITEM_MAGNIFYING_GLASS: TRADING_ITEM_SCALE,
+}
+class TradeSequenceItem(DroppedKey):
+    def __init__(self, room, default_item):
+        self.unadjusted_room = room
+        if room == 0x2B2:
+            # Offset room for trade items to avoid collisions 
+            roomLo = room & 0xFF
+            roomHi = room ^ roomLo
+            roomLo = (roomLo + 2) & 0xFF
+            room = roomHi | roomLo
+        super().__init__(room)
+        self.default_item = default_item
+
+    def configure(self, options):
+        if not options.tradequest:
+            self.OPTIONS = [self.default_item]
+        super().configure(options)
+
+    #def patch(self, rom, option, *, multiworld=None):
+    #    rom.banks[0x3E][self.room + 0x3B16] = CHEST_ITEMS[option]
+
+    def read(self, rom):
+        assert(False)
+        assert self._location is not None, hex(self.room)
+        value = rom.banks[0x3E][self.room + 0x3B16]
+        for k, v in CHEST_ITEMS.items():
+            if v == value:
+                return k
+        raise ValueError("Could not find owl statue contents in ROM (0x%02x)" % (value))
+
+    def __repr__(self):
+        return "%s:%03x" % (self.__class__.__name__, self.room)
+
+    @property
+    def nameId(self):
+        return "0x%03X-Trade" % self.unadjusted_room