diff --git a/dropcalc/.gitignore b/dropcalc/.gitignore
new file mode 100644
index 0000000..cfff1c9
--- /dev/null
+++ b/dropcalc/.gitignore
@@ -0,0 +1,6 @@
+# Intellij IDEA
+*.iml
+.idea/
+
+# Python
+__pycache__
diff --git a/dropcalc/LICENSE b/dropcalc/LICENSE
new file mode 100644
index 0000000..eca96fd
--- /dev/null
+++ b/dropcalc/LICENSE
@@ -0,0 +1,13 @@
+ DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+ Version 2, December 2004
+
+Copyright (C) 2023 Starfall <us@starfall.systems>
+
+Everyone is permitted to copy and distribute verbatim or modified
+copies of this license document, and changing it is allowed as long
+as the name is changed.
+
+ DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+ TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+ 0. You just DO WHAT THE FUCK YOU WANT TO.
diff --git a/dropcalc/Pipfile b/dropcalc/Pipfile
new file mode 100644
index 0000000..99eb835
--- /dev/null
+++ b/dropcalc/Pipfile
@@ -0,0 +1,12 @@
+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+sqlalchemy = "*"
+
+[dev-packages]
+
+[requires]
+python_version = "3.11"
diff --git a/dropcalc/Pipfile.lock b/dropcalc/Pipfile.lock
new file mode 100644
index 0000000..26425ac
--- /dev/null
+++ b/dropcalc/Pipfile.lock
@@ -0,0 +1,147 @@
+{
+ "_meta": {
+ "hash": {
+ "sha256": "47bb17e54bf2d6f4da261a2bd6e74be1c1ec26a8e00cb40956889302e10045cd"
+ },
+ "pipfile-spec": 6,
+ "requires": {
+ "python_version": "3.11"
+ },
+ "sources": [
+ {
+ "name": "pypi",
+ "url": "https://pypi.org/simple",
+ "verify_ssl": true
+ }
+ ]
+ },
+ "default": {
+ "greenlet": {
+ "hashes": [
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+ "version": "==3.0.1"
+ },
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+ "typing-extensions": {
+ "hashes": [
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diff --git a/dropcalc/README.md b/dropcalc/README.md
new file mode 100644
index 0000000..265581d
--- /dev/null
+++ b/dropcalc/README.md
@@ -0,0 +1,20 @@
+# Future home of Median XL Dropcalc
+
+and maybe a proper MXLDB eventually, too
+
+all it does right now is read some of the txts and dump them into an in-memory SQLite database, then do nothing with them
+
+## Dependencies
+
+Install python3, pip, and pipenv; I leave it up to the reader to decide how to do it because for me it's `paru -S python python-pip python-pipenv`.
+
+Run `pipenv shell` to create the dev environment which will install everything from the Pipfile (just sqlalchemy for now).
+
+If you don't like pipenv you still need python3 and pip, then just `pip install --user sqlalchemy`.
+
+## Usage
+```
+create_db.py /path/to/txts
+```
+
+If you just give it the MOD repo or your d2 install folder (if you have the txts in it) that'll work too.
diff --git a/dropcalc/create_db.py b/dropcalc/create_db.py
new file mode 100755
index 0000000..be60fb6
--- /dev/null
+++ b/dropcalc/create_db.py
@@ -0,0 +1,69 @@
+#!/usr/bin/env python3
+
+import csv
+import mxl_types
+from argparse import ArgumentParser
+from pathlib import Path
+from sqlalchemy import create_engine, text
+from sqlalchemy.orm import Session
+
+
+def generate_tcs():
+ # TODO
+ # grab weapons, armor, misc? with spawnable=1 *and* who have itemtype with TreasureClass=1 (any itemtype? just direct?)
+ # qlvl 1-3 in weap3, 4-6 in weap6, 7-9 in weap9 ... 91-93 in weap93
+ # armo3 ... armo99
+ # vanilla has bow3 ... bow87 as well, unknown but probably based on the itemtype having Shoots and Quiver
+ # don't know if misc TCs are generated, neither median nor vanilla actually uses them if they are
+ pass
+
+
+def create_db(folder):
+ engine = create_engine("sqlite+pysqlite:///:memory:", echo=False)
+ mxl_types.BaseDAO.metadata.create_all(engine)
+
+ try1 = (Path(folder) / "Data" / "global" / "excel")
+ if try1.exists():
+ data_folder = try1
+ else:
+ data_folder = folder
+
+ types = [
+ mxl_types.ItemRatio,
+ mxl_types.ItemType,
+ mxl_types.Weapon,
+ mxl_types.Armor,
+ mxl_types.Misc,
+ mxl_types.UniqueItem,
+ mxl_types.SetItem,
+ mxl_types.TreasureClass,
+ ]
+ for mytype in types:
+ file = data_folder / mytype.filename
+ with file.open(encoding='windows-1252') as csvfile, Session(engine) as session:
+ reader = csv.DictReader(csvfile, dialect='excel-tab')
+ for csv_row in reader:
+ db_row = mytype(csv_row)
+ if not db_row.is_valid():
+ continue
+ session.add(db_row)
+ session.commit()
+ count = session.scalar(text(f'select count(*) from {mytype.__tablename__}'))
+ print(f'Counted {count} {mytype.__tablename__}')
+
+
+def handle_args():
+ parser = ArgumentParser()
+ parser.add_argument('folder', help='Location of Median XL .txt files')
+ return parser.parse_args()
+
+
+def main():
+ args = handle_args()
+ create_db(args.folder)
+
+
+if __name__ == '__main__':
+ import sys
+
+ sys.exit(main())
diff --git a/dropcalc/dropcalc-notes b/dropcalc/dropcalc-notes
new file mode 100644
index 0000000..b334e43
--- /dev/null
+++ b/dropcalc/dropcalc-notes
@@ -0,0 +1,61 @@
+TreasureClassEx.txt
+tab-separated
+Picks
+Unique, Set, Rare, Magic
+NoDrop
+Item{1-10} : can be a TC name, Weapons/Armor/Misc/Gems code, UniqueItems index, maybe even SetItems index
+Prob{1-10}
+
+group/level can upgrade tc but that's skippable for now until we need to deal with monsters
+
+
+
+for generic TCs:
+read Weapons.txt, Armor.txt code, rarity
+use name for now, deal with namestr & string tbls later
+
+
+
+NoDrop adjustment:
+fundamentally it just retries once per (close, partied) player until an item is hit.
+far and/or unpartied players count half
+
+
+item quality:
+ItemRatio.txt
+Unique, UniqueDivisor, UniqueMin... etc
+
+chance = 128 * (Unique - (ilvl-qlvl)/Divisor)
+eMF = (MF * factor) / (MF + Factor) like basically all diminishing returns
+chance = chance * eMF
+cap to minChance
+chance = chance - (chance * tcUnique / 1024)
+
+roll 0 to chance-1, if less than 128 then success
+which means lower "chance" is better
+
+unique is picked with rarity / total rarity of uniques for base that have the right ilvl as expected
+
+game rolls unique - set - rare - magic - superior - normal in order
+
+
+
+affixes the fuckening:
+rares have 2+d4 affixes, 50/50 for each to be prefix or suffix until 3
+crafts have 4 affixes (or 0.4/0.2/0.2/0.2 for 1-4 at ilvl 1), otherwise the same
+generate in order, exclude by group
+
+alvl of item is:
+tmplvl = min(ilvl, 99)
+tmplvl = max(qlvl, tmplvl)
+if magic_level:
+ alvl = tmplvl + magic_level
+else if tmplvl < (99 - qlvl/2):
+ alvl = tmplvl - qlvl/2
+else:
+ alvl = 2 * tmplvl - 99
+return min(alvl, 99)
+
+should likely monte carlo simulate crafts rather than try and calculate them
+
+need to fuck around with Itemtypes, MagicPrefix, MagicSuffix to get all the possible affixes
diff --git a/dropcalc/mxl_types/__init__.py b/dropcalc/mxl_types/__init__.py
new file mode 100644
index 0000000..09b00bc
--- /dev/null
+++ b/dropcalc/mxl_types/__init__.py
@@ -0,0 +1,15 @@
+__all__ = ["ItemRatio", "ItemType", "BaseItem", "Weapon", "Armor", "Misc", "UniqueItem", "SetItem", "TreasureClass"]
+
+from .dao import BaseDAO
+
+from .item_ratio import ItemRatio
+from .item_type import ItemType
+from .base import BaseItem, Weapon, Armor, Misc
+from .unique import UniqueItem
+from .set import SetItem
+from .treasure_class import TreasureClass
+
+# TODO
+# MonStats grab Id, hcIdx, enabled, TreasureClass1(H), maybe remaining TC2/3/4(H)
+# SuperUniques Superunique, TC(H)
+# Levels MonLvl3 and nmon1-nmon20
diff --git a/dropcalc/mxl_types/base.py b/dropcalc/mxl_types/base.py
new file mode 100644
index 0000000..cd7e8be
--- /dev/null
+++ b/dropcalc/mxl_types/base.py
@@ -0,0 +1,34 @@
+from sqlalchemy import ForeignKey, String
+from sqlalchemy.orm import Mapped, mapped_column
+
+from .dao import BaseDAO
+
+
+class BaseItem(BaseDAO):
+ __tablename__ = "base"
+
+ code: Mapped[str] = mapped_column(String(4), primary_key=True)
+ name: Mapped[str] # internal name only, game actually looks up `code` in strings
+ type = mapped_column(ForeignKey("item_type.Code")) # can have two item_type... and all their parents
+ type2 = mapped_column(ForeignKey("item_type.Code")) # should really figure out a better way to store them
+ rarity: Mapped[int]
+ level: Mapped[int] # variously referred to as ilvl or qlvl
+ spawnable: Mapped[int] # items with spawnable=0 *can* be dropped directly from TCs, but shouldn't randomly drop
+ category: Mapped[str]
+
+ __mapper_args__ = {'polymorphic_on': 'category'}
+
+
+class Weapon(BaseItem):
+ filename = "Weapons.txt"
+ __mapper_args__ = {'polymorphic_identity': 'weap'}
+
+
+class Armor(BaseItem):
+ filename = "Armor.txt"
+ __mapper_args__ = {'polymorphic_identity': 'armo'}
+
+
+class Misc(BaseItem):
+ filename = "Misc.txt"
+ __mapper_args__ = {'polymorphic_identity': 'misc'}
diff --git a/dropcalc/mxl_types/dao.py b/dropcalc/mxl_types/dao.py
new file mode 100644
index 0000000..db459e7
--- /dev/null
+++ b/dropcalc/mxl_types/dao.py
@@ -0,0 +1,13 @@
+from sqlalchemy.orm import DeclarativeBase
+
+
+class BaseDAO(DeclarativeBase):
+ __csv_to_db__ = dict()
+
+ def is_valid(self):
+ return True
+
+ def __init__(self, iterable=(), **kwargs):
+ self.__dict__.update(iterable, **kwargs)
+ for this, that in self.__csv_to_db__.items():
+ self.__dict__[this] = self.__dict__[that]
diff --git a/dropcalc/mxl_types/item_ratio.py b/dropcalc/mxl_types/item_ratio.py
new file mode 100644
index 0000000..7a783c3
--- /dev/null
+++ b/dropcalc/mxl_types/item_ratio.py
@@ -0,0 +1,39 @@
+from sqlalchemy.orm import Mapped, mapped_column
+
+from .dao import BaseDAO
+
+
+class ItemRatio(BaseDAO):
+ filename = "ItemRatio_mp.txt"
+ __csv_to_db__ = {"Class_Specific": "Class Specific"}
+ __tablename__ = "item_ratio"
+
+ id: Mapped[int] = mapped_column(primary_key=True)
+
+ # D2Fileguide goes into more detail about how these are used
+ # the gist is 1 in (Quality - (mlvl-ilvl) / Divisor) * 128 of rolling each of these
+ # in the order unique, set, rare, magic, hiq, normal (and falling back on loq)
+ # further modified by MF after diminishing returns value (250 uni, 500 set, 600 rar) - which I believe is hardcoded
+ # and then the TC values
+ Unique: Mapped[int]
+ UniqueDivisor: Mapped[int]
+ UniqueMin: Mapped[int]
+ Rare: Mapped[int]
+ RareDivisor: Mapped[int]
+ RareMin: Mapped[int]
+ Set: Mapped[int]
+ SetDivisor: Mapped[int]
+ SetMin: Mapped[int]
+ Magic: Mapped[int]
+ MagicDivisor: Mapped[int]
+ MagicMin: Mapped[int]
+ HiQuality: Mapped[int]
+ HiQualityDivisor: Mapped[int]
+ Normal: Mapped[int]
+ NormalDivisor: Mapped[int]
+
+ Uber: Mapped[int] # exceptional/elite as decided by normcode, ubercode, ultracode in Weapons.txt / Armor.txt
+ Class_Specific: Mapped[int] # class specifics as decided by Class in Itemtypes.txt
+
+ def is_valid(self):
+ return self.Version == "1"
diff --git a/dropcalc/mxl_types/item_type.py b/dropcalc/mxl_types/item_type.py
new file mode 100644
index 0000000..8dd9b37
--- /dev/null
+++ b/dropcalc/mxl_types/item_type.py
@@ -0,0 +1,32 @@
+from typing import Optional
+
+from sqlalchemy import ForeignKey, String
+from sqlalchemy.orm import Mapped, mapped_column
+
+from .dao import BaseDAO
+
+
+class ItemType(BaseDAO):
+ filename = "ItemTypes.txt"
+ __tablename__ = "item_type"
+
+ Id: Mapped[int] = mapped_column(primary_key=True)
+ Code: Mapped[str] = mapped_column(String(4)) # referred to by other tables
+ ItemType: Mapped[Optional[str]] # internal human readable name
+
+ Equiv1 = mapped_column(ForeignKey("item_type.Code"))
+ Equiv2 = mapped_column(ForeignKey("item_type.Code"))
+
+ # what does Rarity do here? fileguide description is unclear
+
+ def is_valid(self):
+ return is_int(self.Id) and self.Code not in (None, '')
+
+
+def is_int(obj):
+ try:
+ int(obj)
+ except ValueError:
+ return False
+ else:
+ return True
diff --git a/dropcalc/mxl_types/set.py b/dropcalc/mxl_types/set.py
new file mode 100644
index 0000000..498cdcf
--- /dev/null
+++ b/dropcalc/mxl_types/set.py
@@ -0,0 +1,15 @@
+from sqlalchemy import ForeignKey
+from sqlalchemy.orm import Mapped, mapped_column
+
+from . import BaseDAO
+
+
+class SetItem(BaseDAO):
+ filename = "SetItems.txt"
+ __tablename__ = "set_item"
+
+ id: Mapped[int] = mapped_column(primary_key=True)
+ index: Mapped[str] # string reference, often also human-readable
+ item = mapped_column(ForeignKey("base.code")) # note inconsistency with everything else...
+ rarity: Mapped[int] # drop frequency, relative to other sets on this base
+ lvl: Mapped[int] # minimum drop level
diff --git a/dropcalc/mxl_types/treasure_class.py b/dropcalc/mxl_types/treasure_class.py
new file mode 100644
index 0000000..d00da6f
--- /dev/null
+++ b/dropcalc/mxl_types/treasure_class.py
@@ -0,0 +1,46 @@
+from typing import Optional
+
+from sqlalchemy.orm import Mapped, mapped_column
+
+from . import BaseDAO
+
+
+class TreasureClass(BaseDAO):
+ filename = "TreasureClassEx.txt"
+ __csv_to_db__ = {"name": "Treasure Class"}
+ __tablename__ = "treasure_class"
+
+ name: Mapped[str] = mapped_column(primary_key=True)
+
+ group: Mapped[Optional[int]]
+ level: Mapped[Optional[int]]
+
+ Picks: Mapped[int]
+
+ Unique: Mapped[Optional[str]]
+ Set: Mapped[Optional[int]]
+ Rare: Mapped[Optional[int]]
+ Magic: Mapped[Optional[int]]
+
+ NoDrop: Mapped[Optional[int]]
+
+ Item1: Mapped[str]
+ Prob1: Mapped[int]
+ Item2: Mapped[Optional[str]]
+ Prob2: Mapped[Optional[int]]
+ Item3: Mapped[Optional[str]]
+ Prob3: Mapped[Optional[int]]
+ Item4: Mapped[Optional[str]]
+ Prob4: Mapped[Optional[int]]
+ Item5: Mapped[Optional[str]]
+ Prob5: Mapped[Optional[int]]
+ Item6: Mapped[Optional[str]]
+ Prob6: Mapped[Optional[int]]
+ Item7: Mapped[Optional[str]]
+ Prob7: Mapped[Optional[int]]
+ Item8: Mapped[Optional[str]]
+ Prob8: Mapped[Optional[int]]
+ Item9: Mapped[Optional[str]]
+ Prob9: Mapped[Optional[int]]
+ Item10: Mapped[Optional[str]]
+ Prob10: Mapped[Optional[int]]
diff --git a/dropcalc/mxl_types/unique.py b/dropcalc/mxl_types/unique.py
new file mode 100644
index 0000000..49c4e39
--- /dev/null
+++ b/dropcalc/mxl_types/unique.py
@@ -0,0 +1,18 @@
+from sqlalchemy import ForeignKey
+from sqlalchemy.orm import Mapped, mapped_column
+
+from . import BaseDAO
+
+
+class UniqueItem(BaseDAO):
+ filename = "UniqueItems.txt"
+ __tablename__ = "unique_item"
+
+ id: Mapped[int] = mapped_column(primary_key=True)
+ index: Mapped[str] # string reference, often also human-readable
+ code = mapped_column(ForeignKey("base.code"))
+ rarity: Mapped[int] # drop frequency, relative to other uniques on this base
+ lvl: Mapped[int] # minimum drop level
+
+ def is_valid(self):
+ return self.enabled == "1" # TODO: can we create fixed drop but not randomly available uniques by setting this to 0?
diff --git a/dropcalc/util.py b/dropcalc/util.py
new file mode 100644
index 0000000..923765b
--- /dev/null
+++ b/dropcalc/util.py
@@ -0,0 +1,4 @@
+def is_int(x):
+ try: int(x)
+ except ValueError: return False
+ else: return True
|
