release: v1.1.0

updated changelog
feat: use rosu-mods (#9 )
2024-07-12 13:58:51 +02:00 · 2024-07-12 13:51:04 +02:00 · 2024-07-12 13:42:24 +02:00 · 2024-07-08 13:05:45 +02:00 · 2024-07-04 22:16:02 +02:00 · 2024-05-05 21:03:20 +02:00
31 changed files with 4389 additions and 2027 deletions
@@ -0,0 +1,242 @@
+# Largely references https://github.com/pydantic/pydantic-core/blob/193f5d7a8627c988b1c7fab9a3712c779afbbe94/.github/workflows/ci.yml
+
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+      - next
+    tags:
+      - 'v[0-9]+.[0-9]+.[0-9]+'
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  clippy:
+    name: Clippy
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout project
+        uses: actions/checkout@v4
+
+      - name: Install stable toolchain
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Cache dependencies
+        uses: Swatinem/rust-cache@v2
+
+      - name: Run clippy
+        run: cargo clippy --all-targets
+
+  build-sdist:
+    name: Build sdist
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout project
+        uses: actions/checkout@v4
+
+      - name: Build wheels
+        uses: PyO3/maturin-action@v1
+        with:
+          command: sdist
+          args: --out dist
+          rust-toolchain: stable
+
+      - name: Upload wheels
+        uses: actions/upload-artifact@v4
+        with:
+          name: pypi_files_sdist
+          path: dist
+
+  build:
+    name: Build on ${{ matrix.os }} (${{ matrix.target }} - ${{ matrix.interpreter || 'all' }}${{ matrix.os == 'linux' && format(' - {0}', matrix.manylinux == 'auto' && 'manylinux' || matrix.manylinux) || '' }})
+    if: startsWith(github.ref, 'refs/tags/') || github.ref == 'refs/heads/main' || github.ref == 'refs/heads/next'
+
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [linux, macos, windows]
+        target: [x86_64, aarch64]
+        manylinux: [auto]
+        include:
+          # manylinux
+          - os: linux
+            manylinux: auto
+            target: aarch64
+          - os: linux
+            manylinux: auto
+            target: armv7
+            interpreter: 3.8 3.9 3.10 3.11 3.12 3.13
+          - os: linux
+            manylinux: auto
+            target: x86_64
+
+          # musllinux
+          - os: linux
+            manylinux: musllinux_1_1
+            target: x86_64
+          - os: linux
+            manylinux: musllinux_1_1
+            target: aarch64
+
+          # macos
+          - os: macos
+            target: x86_64
+          - os: macos
+            target: aarch64
+
+          # windows
+          - os: windows
+            target: x86_64
+          - os: windows
+            target: aarch64
+            interpreter: 3.11 3.12 3.13
+
+    runs-on: ${{ (matrix.os == 'linux' && 'ubuntu') || matrix.os }}-latest
+
+    steps:
+      - name: Checkout project
+        uses: actions/checkout@v4
+
+      - name: Set up python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+          architecture: x64
+
+      - run: pip install -U twine 'ruff==0.1.3' typing_extensions
+
+      - name: Build wheels
+        uses: PyO3/maturin-action@v1
+        with:
+          target: ${{ matrix.target }}
+          manylinux: ${{ matrix.manylinux }}
+          args: --release --out dist --interpreter ${{ matrix.interpreter || '3.8 3.9 3.10 3.11 3.12 3.13 pypy3.9 pypy3.10' }}
+          rust-toolchain: 1.77.0
+          docker-options: -e CI
+          sccache: true
+
+      - run: twine check --strict dist/*
+
+      - name: Upload wheels
+        uses: actions/upload-artifact@v4
+        with:
+          name: pypi_files_${{ matrix.os }}_${{ matrix.target }}_${{ matrix.interpreter || 'all' }}_${{ matrix.manylinux }}
+          path: dist
+
+  test-builds-arch:
+    name: Test build on ${{ matrix.target }}-${{ matrix.distro }}
+    needs: [build]
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        target: [aarch64, armv7]
+        distro: ['ubuntu22.04']
+        include:
+          - target: aarch64
+            distro: alpine_latest
+
+    steps:
+      - name: Checkout project
+        uses: actions/checkout@v4
+
+      - name: Get artifacts
+        uses: actions/download-artifact@v4
+        with:
+          pattern: pypi_files_linux_*
+          merge-multiple: true
+          path: dist
+
+      - name: Install & test
+        uses: uraimo/run-on-arch-action@v2.7.1
+        with:
+          arch: ${{ matrix.target }}
+          distro: ${{ matrix.distro }}
+          githubToken: ${{ github.token }}
+          install: |
+            set -x
+            if command -v apt-get &> /dev/null; then
+              echo "installing python & pip with apt-get..."
+              apt-get update
+              apt-get install -y --no-install-recommends python3 python3-pip python3-venv git
+            else
+              echo "installing python & pip with apk..."
+              apk update
+              apk add python3 py3-pip git
+            fi
+          run: |
+            set -x
+            # typing-extensions isn't automatically installed because of `--no-index --no-deps`
+            python3 -m venv venv
+            source venv/bin/activate
+            python3 -m pip install -U pip typing-extensions
+            python3 -m pip install rosu_pp_py --no-index --no-deps --find-links dist --force-reinstall
+            python3 -c "import rosu_pp_py"
+
+  test-builds-os:
+    name: Test build on ${{ matrix.os }}
+    needs: [build]
+
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu, macos, windows]
+
+    runs-on: ${{ matrix.os }}-latest
+    steps:
+      - name: Checkout project
+        uses: actions/checkout@v4
+
+      - name: Set up python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+
+      - name: Get artifacts
+        uses: actions/download-artifact@v4
+        with:
+          pattern: pypi_files_*
+          merge-multiple: true
+          path: dist
+
+      - run: |
+          pip install typing-extensions
+          pip install rosu_pp_py --no-index --no-deps --find-links dist --force-reinstall
+          python -c "import rosu_pp_py"
+
+  release:
+    name: Release
+    needs: [clippy, test-builds-arch, test-builds-os, build-sdist]
+    if: success() && startsWith(github.ref, 'refs/tags/')
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout project
+        uses: actions/checkout@v4
+
+      - name: Set up python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.10'
+
+      - run: pip install -U twine
+
+      - name: Get artifacts
+        uses: actions/download-artifact@v4
+        with:
+          pattern: pypi_files_*
+          merge-multiple: true
+          path: dist
+
+      - run: twine check --strict dist/*
+
+      - name: Upload to PyPI
+        run: twine upload dist/*
+        env:
+          TWINE_USERNAME: __token__
+          TWINE_PASSWORD: ${{ secrets.PYPI_TOKEN }}
@@ -1,150 +0,0 @@
-name: Publish
-
-on:
-  push:
-    tags:
-      - 'v[0-9]+.[0-9]+.[0-9]+'
-  workflow_dispatch:
-
-jobs:
-  macos:
-    runs-on: macos-latest
-    strategy:
-      matrix:
-        python_version: ['3.7', '3.8', '3.9', '3.10', '3.11']
-    steps:
-      - name: Checkout project
-        uses: actions/checkout@v4
-
-      - name: Python setup
-        uses: actions/setup-python@v4
-        with:
-          python-version: ${{ matrix.python_version }}
-          architecture: x64
-
-      - name: Rust setup
-        uses: dtolnay/rust-toolchain@stable
-
-      - name: Build wheels - x86_64
-        uses: PyO3/maturin-action@v1
-        with:
-          target: x86_64
-          args: --release --out dist --sdist
-
-      - name: Install built wheel - x86_64
-        run: |
-          pip install akatsuki_pp_py --no-index --find-links dist --force-reinstall
-          python -c "import akatsuki_pp_py"
-
-      - name: Build wheels - universal2
-        uses: PyO3/maturin-action@v1
-        with:
-          args: --release --universal2 --out dist
-
-      - name: Install built wheel - universal2
-        run: |
-          pip install akatsuki_pp_py --no-index --find-links dist --force-reinstall
-          python -c "import akatsuki_pp_py"
-
-      - name: Upload wheels
-        uses: actions/upload-artifact@v3
-        with:
-          name: wheels
-          path: dist
-
-  windows:
-    runs-on: windows-latest
-    strategy:
-      matrix:
-        python_version: ['3.7', '3.8', '3.9', '3.10', '3.11']
-        target: [x64, x86]
-    steps:
-      - name: Checkout project
-        uses: actions/checkout@v4
-
-      - name: Python setup
-        uses: actions/setup-python@v4
-        with:
-          python-version: ${{ matrix.python_version }}
-          architecture: ${{ matrix.target }}
-
-      - name: Rust setup
-        uses: dtolnay/rust-toolchain@stable
-
-      - name: Build wheels
-        uses: PyO3/maturin-action@v1
-        with:
-          target: ${{ matrix.target }}
-          args: --release --out dist
-
-      - name: Install built wheel
-        run: |
-          pip install akatsuki_pp_py --no-index --find-links dist --force-reinstall
-          python -c "import akatsuki_pp_py"
-
-      - name: Upload wheels
-        uses: actions/upload-artifact@v3
-        with:
-          name: wheels
-          path: dist
-
-  linux:
-    runs-on: ubuntu-20.04
-    strategy:
-      matrix:
-        python_version: ['3.7', '3.8', '3.9', '3.10', '3.11']
-        target: [x86_64, i686, aarch64]
-    steps:
-    - name: Checkout project
-      uses: actions/checkout@v4
-
-    - name: Python setup
-      uses: actions/setup-python@v4
-      with:
-        python-version: ${{ matrix.python_version }}
-        architecture: x64
-
-    - name: Build wheels
-      uses: PyO3/maturin-action@v1
-      with:
-        target: ${{ matrix.target }}
-        manylinux: auto
-        args: --release --out dist -i ${{ matrix.python_version }}
-
-    - name: Install built wheel
-      if: matrix.target == 'x86_64'
-      run: |
-        pip install akatsuki_pp_py --no-index --find-links dist --force-reinstall
-        python -c "import akatsuki_pp_py"
-
-    - name: Upload wheels
-      uses: actions/upload-artifact@v3
-      with:
-        name: wheels
-        path: dist
-
-  release:
-    name: Release
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        python_version: ['3.7', '3.8', '3.9', '3.10', '3.11']
-    needs: [ macos, windows, linux ]
-    steps:
-      - name: Get artifacts
-        uses: actions/download-artifact@v3
-        with:
-          name: wheels
-
-      - name: Python setup
-        uses: actions/setup-python@v4
-        with:
-          python-version: ${{ matrix.python_version }}
-
-      - name: Publish to PyPi
-        env:
-          TWINE_USERNAME: __token__
-          TWINE_PASSWORD: ${{ secrets.PYPI_TOKEN }}
-        run: |
-          pip install --upgrade twine
-          twine upload --skip-existing *
@@ -1,4 +1,6 @@
 /target
+expanded.rs
+output.rs

 # Byte-compiled / optimized / DLL files
 __pycache__/
@@ -1,4 +1,40 @@
-# v0.9.1 (2022-10-29)
+# v1.1.0 (2024-07-12)
+
+- Updated to [rosu-pp v1.1.0](https://github.com/MaxOhn/rosu-pp/blob/main/CHANGELOG.md#v110-2024-07-10)
+- Mods can now be specified through more types than just `int` ([#9]). Instead, it has to coincide with the following alias defintions:
+  ```py
+  GameMods = Union[int, str, GameMod, List[Union[GameMod, str, int]]]
+  GameMod = dict[str, Union[str, GameModSettings]]
+  GameModSettings = dict[str, Union[bool, float, str]]
+  ```
+  That means, mods can be given either through their [(legacy) bitflags](https://github.com/ppy/osu-api/wiki#reference), a string for acronyms, a "GameMod" `dict`, or a sequence whose items are either a "GameMod" `dict`, a single acronym string, or bitflags for a single mod.
+
+  A "GameMod" `dict` **must** have the item `'acronym': str` and an optional item `'settings': GameModSettings`.
+
+## v1.0.1 (2024-05-05)
+
+- `PerformanceAttributes`' field `pp_accuracy` was accidentally actually named `pp_acc`; now it's definitely `pp_accuracy` ([#7])
+
+## v1.0.0 (2024-04-03)
+
+- Updated to [rosu-pp v1.0.0](https://github.com/MaxOhn/rosu-pp/blob/main/CHANGELOG.md#v100-2024-04-02)
+- Breaking changes ahead! There are now multiple different calculators:
+  - `Difficulty` to calculate `DifficultyAttributes`, `Strains`, or create gradual calculators
+  - `Performance` to calculate `PerformanceAttributes`
+  - `BeatmapAttributesBuilder` to calculate `BeatmapAttributes`
+  - `GradualDifficulty` to calculate `DifficultyAttributes` for each hitobject
+  - `GradualPerformance` to calculate `PerformanceAttributes` for each hitresult
+
+## v0.9.4 (2023-02-09)
+
+- Updated to [rosu-pp v0.9.4](https://github.com/MaxOhn/rosu-pp/blob/main/CHANGELOG.md#v094-2023-02-09).
+
+## v0.9.3 (2023-01-28)
+
+- Updated to [rosu-pp v0.9.3](https://github.com/MaxOhn/rosu-pp/blob/main/CHANGELOG.md#v093-2023-01-28). Only includes some bug fixes.
+- Fixed the hitobjects counts of map attributes on converted maps.
+
+## v0.9.1 (2022-10-29)

 - Updated to [rosu-pp v0.9.1](https://github.com/MaxOhn/rosu-pp/blob/main/CHANGELOG.md#v091-2022-10-26) including the big changes in [v0.9.0](https://github.com/MaxOhn/rosu-pp/blob/main/CHANGELOG.md#v090-2022-10-24)
 - The binding interface is rewritten completely, see the readme.
@@ -42,3 +78,5 @@ osu!standard, osu!taiko, and osu!mania.
 [@tsunyoku]: https://github.com/tsunyoku

 [#3]: https://github.com/MaxOhn/rosu-pp-py/pull/3
+[#7]: https://github.com/MaxOhn/rosu-pp-py/pull/7
+[#9]: https://github.com/MaxOhn/rosu-pp-py/pull/9
@@ -2,31 +2,12 @@
 # It is not intended for manual editing.
 version = 3

-[[package]]
-name = "akatsuki-pp"
-version = "0.9.4"
-source = "git+https://github.com/osuAkatsuki/akatsuki-pp-rs?rev=764da0dbf42ed80441acf99d070aaedabaed4b75#764da0dbf42ed80441acf99d070aaedabaed4b75"
-
-[[package]]
-name = "akatsuki-pp-py"
-version = "0.9.4"
-dependencies = [
- "akatsuki-pp",
- "pyo3",
-]
-
 [[package]]
 name = "autocfg"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"

-[[package]]
-name = "bitflags"
-version = "1.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
-
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -34,85 +15,65 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"

 [[package]]
-name = "indoc"
-version = "1.0.8"
+name = "heck"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da2d6f23ffea9d7e76c53eee25dfb67bcd8fde7f1198b0855350698c9f07c780"
+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
+
+[[package]]
+name = "indoc"
+version = "2.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b248f5224d1d606005e02c97f5aa4e88eeb230488bcc03bc9ca4d7991399f2b5"

 [[package]]
 name = "libc"
-version = "0.2.139"
+version = "0.2.126"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "201de327520df007757c1f0adce6e827fe8562fbc28bfd9c15571c66ca1f5f79"
-
-[[package]]
-name = "lock_api"
-version = "0.4.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "435011366fe56583b16cf956f9df0095b405b82d76425bc8981c0e22e60ec4df"
-dependencies = [
- "autocfg",
- "scopeguard",
-]
+checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836"

 [[package]]
 name = "memoffset"
-version = "0.6.5"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5aa361d4faea93603064a027415f07bd8e1d5c88c9fbf68bf56a285428fd79ce"
+checksum = "488016bfae457b036d996092f6cb448677611ce4449e970ceaf42695203f218a"
 dependencies = [
 "autocfg",
 ]

 [[package]]
 name = "once_cell"
-version = "1.16.0"
+version = "1.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "86f0b0d4bf799edbc74508c1e8bf170ff5f41238e5f8225603ca7caaae2b7860"
+checksum = "18a6dbe30758c9f83eb00cbea4ac95966305f5a7772f3f42ebfc7fc7eddbd8e1"

 [[package]]
-name = "parking_lot"
-version = "0.12.1"
+name = "portable-atomic"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3742b2c103b9f06bc9fff0a37ff4912935851bee6d36f3c02bcc755bcfec228f"
-dependencies = [
- "lock_api",
- "parking_lot_core",
-]
-
-[[package]]
-name = "parking_lot_core"
-version = "0.9.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ff9f3fef3968a3ec5945535ed654cb38ff72d7495a25619e2247fb15a2ed9ba"
-dependencies = [
- "cfg-if",
- "libc",
- "redox_syscall",
- "smallvec",
- "windows-sys",
-]
+checksum = "7170ef9988bc169ba16dd36a7fa041e5c4cbeb6a35b76d4c03daded371eae7c0"

 [[package]]
 name = "proc-macro2"
-version = "1.0.49"
+version = "1.0.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57a8eca9f9c4ffde41714334dee777596264c7825420f521abc92b5b5deb63a5"
+checksum = "5e719e8df665df0d1c8fbfd238015744736151d4445ec0836b8e628aae103b77"
 dependencies = [
 "unicode-ident",
 ]

 [[package]]
 name = "pyo3"
-version = "0.17.3"
+version = "0.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "268be0c73583c183f2b14052337465768c07726936a260f480f0857cb95ba543"
+checksum = "1962a33ed2a201c637fc14a4e0fd4e06e6edfdeee6a5fede0dab55507ad74cf7"
 dependencies = [
 "cfg-if",
 "indoc",
 "libc",
 "memoffset",
- "parking_lot",
+ "once_cell",
+ "portable-atomic",
 "pyo3-build-config",
 "pyo3-ffi",
 "pyo3-macros",
@@ -121,9 +82,9 @@ dependencies = [

 [[package]]
 name = "pyo3-build-config"
-version = "0.17.3"
+version = "0.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28fcd1e73f06ec85bf3280c48c67e731d8290ad3d730f8be9dc07946923005c8"
+checksum = "ab7164b2202753bd33afc7f90a10355a719aa973d1f94502c50d06f3488bc420"
 dependencies = [
 "once_cell",
 "target-lexicon",
@@ -131,9 +92,9 @@ dependencies = [

 [[package]]
 name = "pyo3-ffi"
-version = "0.17.3"
+version = "0.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f6cb136e222e49115b3c51c32792886defbfb0adead26a688142b346a0b9ffc"
+checksum = "c6424906ca49013c0829c5c1ed405e20e2da2dc78b82d198564880a704e6a7b7"
 dependencies = [
 "libc",
 "pyo3-build-config",
@@ -141,9 +102,9 @@ dependencies = [

 [[package]]
 name = "pyo3-macros"
-version = "0.17.3"
+version = "0.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94144a1266e236b1c932682136dc35a9dee8d3589728f68130c7c3861ef96b28"
+checksum = "82b2f19e153122d64afd8ce7aaa72f06a00f52e34e1d1e74b6d71baea396460a"
 dependencies = [
 "proc-macro2",
 "pyo3-macros-backend",
@@ -153,50 +114,86 @@ dependencies = [

 [[package]]
 name = "pyo3-macros-backend"
-version = "0.17.3"
+version = "0.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c8df9be978a2d2f0cdebabb03206ed73b11314701a5bfe71b0d753b81997777f"
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@@ -1,20 +1,25 @@
 [package]
-name = "akatsuki-pp-py"
-version = "0.9.7"
-description = "osu! difficulty and pp calculation for all modes"
-authors = ["Max Ohn <ohn.m@hotmail.de>", "tsunyoku <tsunyoku@gmail.com>"]
-license = "MIT"
+name = "rosu-pp-py"
+version = "1.1.0"
 edition = "2021"
+authors = ["Max Ohn <ohn.m@hotmail.de>"]
+license = "MIT"
+readme = "README.md"
+repository = "https://github.com/MaxOhn/rosu-pp-py"
+description = "Difficulty and performance calculation for osu!"

 [lib]
-name = "akatsuki_pp_py"
+name = "rosu_pp_py"
 crate-type = ["cdylib"]

 [dependencies]
-pyo3 = { version = "0.17", features = ["extension-module", "macros"] }
-akatsuki-pp = { git = "https://github.com/osuAkatsuki/akatsuki-pp-rs", rev = "764da0dbf42ed80441acf99d070aaedabaed4b75" }
+pyo3 = { version = "0.22", features = ["extension-module", "macros"] }
+rosu-mods = { version = "0.1.0", default-features = false, features = ["serde"] }
+rosu-pp = { version = "1.0.0", features = ["sync"] }
+serde = "1.0.203"

 [profile.release]
-lto = "fat"
+lto = true
+panic = "abort"
 codegen-units = 1
-strip = "debuginfo"
+strip = true
@@ -1,100 +1,184 @@
-# akatsuki-pp-py
+# rosu-pp-py

-Difficulty and performance calculation for all [osu!](https://osu.ppy.sh/) modes.
+Library to calculate difficulty and performance attributes for all [osu!] modes.

-This is a python binding to the Rust library [rosu-pp](https://github.com/MaxOhn/rosu-pp) which was bootstrapped through [PyO3](https://github.com/PyO3/PyO3).
-Since all the heavy lifting is done by Rust, rosu-pp-py comes with a very fast performance.
-Check out rosu-pp's [README](https://github.com/MaxOhn/rosu-pp/blob/main/README.md) for more info.
+This is a python binding to the [Rust] library [rosu-pp] which was bootstrapped through [PyO3].
+As such, its performance is much faster than a native python library.

-## Exposed types
+## Usage

-The library exposes the following classes:
-
- `Calculator`: Contains various parameters to calculate strains or map, difficulty, or performance attributes
- `Beatmap`: Contains a parsed beatmap
- [`BeatmapAttributes`](https://github.com/MaxOhn/rosu-pp-py/blob/81e1d6f28064b832661a4940a3896a2089f76b6b/rosu_pp_py.pyi#L199-L231): Contains various attributes about the map itself
- [`DifficultyAttributes`](https://github.com/MaxOhn/rosu-pp-py/blob/81e1d6f28064b832661a4940a3896a2089f76b6b/rosu_pp_py.pyi#L234-L284): Contains various attributes about the difficulty based on the mode
- [`PerformanceAttributes`](https://github.com/MaxOhn/rosu-pp-py/blob/81e1d6f28064b832661a4940a3896a2089f76b6b/rosu_pp_py.pyi#L287-L313): Contains various attributes about the performance and difficulty based on the mode
- [`Strains`](https://github.com/MaxOhn/rosu-pp-py/blob/81e1d6f28064b832661a4940a3896a2089f76b6b/rosu_pp_py.pyi#L316-L346): Contains strain values for each skill based on the mode
-
-Additionally, the following error types are exposed:
- `ParseError`: Failed to parse a beatmap
- `KwargsError`: Invalid kwargs were provided
-
-## How to use akatsuki-pp-py
-
-1) The first step is to create a new `Beatmap` instance by providing appropriate kwargs.
-Either of the kwargs `path`, `content`, or `bytes` **must** be given. The kwargs `ar`, `cs`, `hp`, and `od` are optional.
-With the setters `set_ar`, `set_cs`, `set_hp`, and `set_od` you can specify custom attributes.
-```py
-map = Beatmap(path = "/path/to/file.osu", ar = 9.87)
-map.set_od(1.23)
-
-with open("/path/to/file.osu", "rb") as file:
-    map = Beatmap(bytes = file.read())
-
-with open("/path/to/file.osu") as file:
-    map = Beatmap(content = file.read())
-```
-
-2) Next, you need to create an instance of `Calculator` by providing the appropriate kwargs again.
-Any of the following kwargs are allowed: `mode`, `mods`, `acc`, `n_geki`, `n_katu`, `n300`, `n100`, `n50`, `n_misses`, `combo`, `passed_objects`, `clock_rate`, and `difficulty`.
-Each of these also have a setter method e.g. `set_n_misses`.
-```py
-calc = Calculator(mode = 2, acc = 98.76)
-calc.set_mods(8 + 64) # HDDT
-```
-
-3) The last step is to call any of the methods `map_attributes`, `difficulty`, `performance`, or `strains` on the calculator and provide them a `Beatmap`.
+The library exposes multiple classes:
+- [`Beatmap`](https://github.com/MaxOhn/rosu-pp-py/blob/f0f08fe9c9a94331840db67d5cf3b9b8cd15ea55/rosu_pp_py.pyi#L23-L101): Parsed `.osu` file
+- [`GameMode`](https://github.com/MaxOhn/rosu-pp-py/blob/f0f08fe9c9a94331840db67d5cf3b9b8cd15ea55/rosu_pp_py.pyi#L5-L13)
+- Calculators
+  - [`Difficulty`](https://github.com/MaxOhn/rosu-pp-py/blob/f0f08fe9c9a94331840db67d5cf3b9b8cd15ea55/rosu_pp_py.pyi#L103-L251): Class to calculate difficulty attributes, strains, or create gradual calculators
+  - [`Performance`](https://github.com/MaxOhn/rosu-pp-py/blob/f0f08fe9c9a94331840db67d5cf3b9b8cd15ea55/rosu_pp_py.pyi#L253-L439): Performance attributes calculator
+  - [`GradualDifficulty`](https://github.com/MaxOhn/rosu-pp-py/blob/f0f08fe9c9a94331840db67d5cf3b9b8cd15ea55/rosu_pp_py.pyi#L441-L465): Calculator to calculate difficulty attributes after each hitobject
+  - [`GradualPerformance`](https://github.com/MaxOhn/rosu-pp-py/blob/f0f08fe9c9a94331840db67d5cf3b9b8cd15ea55/rosu_pp_py.pyi#L467-L493): Calculator to calculator performance attributes after each hitresult
+  - [`BeatmapAttributesBuilder`](https://github.com/MaxOhn/rosu-pp-py/blob/f0f08fe9c9a94331840db67d5cf3b9b8cd15ea55/rosu_pp_py.pyi#L495-L617): Beatmap attributes calculator
+- Results
+  - [`DifficultyAttributes`](https://github.com/MaxOhn/rosu-pp-py/blob/f0f08fe9c9a94331840db67d5cf3b9b8cd15ea55/rosu_pp_py.pyi#L666-L853)
+  - [`Strains`](https://github.com/MaxOhn/rosu-pp-py/blob/f0f08fe9c9a94331840db67d5cf3b9b8cd15ea55/rosu_pp_py.pyi#L928-L998): Strain values of a difficulty calculation, suitable to plot difficulty over time
+  - [`PerformanceAttributes`](https://github.com/MaxOhn/rosu-pp-py/blob/f0f08fe9c9a94331840db67d5cf3b9b8cd15ea55/rosu_pp_py.pyi#L855-L926)
+  - [`BeatmapAttributes`](https://github.com/MaxOhn/rosu-pp-py/blob/f0f08fe9c9a94331840db67d5cf3b9b8cd15ea55/rosu_pp_py.pyi#L1000-L1030)
+- [`HitResultPriority`](https://github.com/MaxOhn/rosu-pp-py/blob/f0f08fe9c9a94331840db67d5cf3b9b8cd15ea55/rosu_pp_py.pyi#L15-L21): Passed to `Performance`, decides whether specified accuracy should be realized through good or bad hitresults
+- [`ScoreState`](https://github.com/MaxOhn/rosu-pp-py/blob/f0f08fe9c9a94331840db67d5cf3b9b8cd15ea55/rosu_pp_py.pyi#L619-L664): Hitresults and max combo of a score, found in `PerformanceAttributes` and passed to gradual calculators

 ## Example

+### Calculating performance
+
 ```py
-from akatsuki_pp_py import Beatmap, Calculator
+import rosu_pp_py as rosu

-map = Beatmap(path = "./maps/100.osu")
-calc = Calculator(mods = 8)
+# either `path`, `bytes`, or `content` must be specified when parsing a map
+map = rosu.Beatmap(path = "/path/to/file.osu")

-# Calculate an SS on HD
-max_perf = calc.performance(map)
+# Optionally convert to a specific mode
+map.convert(rosu.GameMode.Mania)

-# The mods are still set to HD
-calc.set_acc(99.11)
-calc.set_n_misses(1)
-calc.set_combo(200)
+perf = rosu.Performance(
+    # various kwargs available
+    accuracy = 98.76,
+    misses = 2,
+    combo = 700,
+    hitresult_priority = rosu.HitResultPriority.WorstCase, # favors bad hitresults
+)

-# A good way to speed up the calculation is to provide
-# the difficulty attributes of a previous calculation
-# so that they don't need to be recalculated.
-# **Note** that this should only be done if neither
-# the map, mode, mods, nor passed objects amount changed.
-calc.set_difficulty(max_perf.difficulty)
+# Each kwarg can also be specified afterwards through setters
+perf.set_accuracy(99.11) # override previously specified accuracy
+perf.set_mods(8 + 64)    # HDDT
+perf.set_clock_rate(1.4)

-curr_perf = calc.performance(map)
-print(f'PP: {curr_perf.pp}/{max_perf.pp} | Stars: {max_perf.difficulty.stars}')
+# Second argument of map attributes specifies whether mods still need to be accounted for
+# `True`: mods already considered; `False`: value should still be adjusted
+perf.set_ar(10.5, True)
+perf.set_od(5, False)

-map_attrs = calc.map_attributes(map)
-print(f'BPM: {map_attrs.bpm}')
+# Calculate for the map
+attrs = perf.calculate(map)

-strains = calc.strains(map)
-print(f'Maximum aim strain: {max(strains.aim)}')
+# Note that calculating via map will have to calculate difficulty attributes
+# internally which is fairly expensive. To speed it up, you can also pass in
+# previously calculated attributes, but be sure they were calculated for the
+# same difficulty settings like mods, clock rate, custom map attributes, ...
+
+perf.set_accuracy(100)
+perf.set_misses(None)
+perf.set_combo(None)
+
+# Calculate a new set of attributes by re-using previous attributes instead of the map
+max_attrs = perf.calculate(attrs)
+
+print(f'PP: {attrs.pp}/{max_attrs.pp} | Stars: {max_attrs.difficulty.stars}')
+```
+
+### Gradual calculation
+
+```py
+import rosu_pp_py as rosu
+
+# Parsing the map, this time through the `content` kwarg
+with open("/path/to/file.osu") as file:
+    map = rosu.Beatmap(content = file.read())
+
+# Specifying some difficulty parameters
+diff = rosu.Difficulty(
+    mods = 16 + 1024, # HRFL
+    clock_rate = 1.1,
+    ar = 10.2,
+    ar_with_mods = True,
+)
+
+# Gradually calculating *difficulty* attributes
+gradual_diff = diff.gradual_difficulty(map)
+
+for i, attrs in enumerate(gradual_diff, 1):
+    print(f'Stars after {i} hitobjects: {attrs.stars}')
+
+# Gradually calculating *performance* attributes
+gradual_perf = diff.gradual_performance(map)
+i = 1
+
+while True:
+    state = rosu.ScoreState(
+        max_combo = i,
+        n300 = i,
+        n100 = 0,
+        # ...
+    )
+
+    attrs = gradual_perf.next(state)
+
+    if attrs is None:
+        # All hitobjects have been processed
+        break
+
+    print(f'PP: {attrs.pp}')
+    i += 1
+```
+
+## Mods
+
+Wherever mods are specified, their type should coincide with the following alias definition:
+```py
+GameMods = Union[int, str, GameMod, List[Union[GameMod, str, int]]]
+GameMod = dict[str, Union[str, GameModSettings]]
+GameModSettings = dict[str, Union[bool, float, str]]
+```
+
+That means, mods can be given either through their [(legacy) bitflags](https://github.com/ppy/osu-api/wiki#reference),
+a string for acronyms, a "GameMod" `dict`, or a sequence whose items are either
+a "GameMod" `dict`, a single acronym string, or bitflags for a single mod.
+
+A "GameMod" `dict` **must** have the item `'acronym': str` and an optional item `'settings': GameModSettings`.
+
+Some examples for valid mods look as follows:
+
+```py
+mods = 8 + 64              # Hidden, DoubleTime
+mods = "hRNcWIez"          # HardRock, Nightcore, Wiggle, Easy
+mods = { 'acronym': "FI" } # FadeIn
+mods = [
+    1024,
+    'nf',
+    {
+        'acronym': "AC",
+        'settings': {
+            'minimum_accuracy': 95,
+            'restart': True
+        }
+    }
+] # Flashlight, NoFail, AccuracyChallenge
+
+import json
+mods_json = '[{"acronym": "TC"}, {"acronym": "HT", "settings": {"speed_change": 0.6}}]'
+mods = json.loads(mods_json) # Traceable, HalfTime
 ```

 ## Installing rosu-pp-py

 Installing rosu-pp-py requires a [supported version of Python and Rust](https://github.com/PyO3/PyO3#usage).

-Once [Python](https://www.python.org/downloads/) and [Rust](https://www.rust-lang.org/learn/get-started) and ready to go, you can install the project with pip:
+Once [Python] and [Rust](https://www.rust-lang.org/learn/get-started) are ready to go, you can install the project with pip:

 ```sh
-$ pip install akatsuki-pp-py
+$ pip install rosu-pp-py
 ```
+
 or
+
 ```
-$ pip install git+https://github.com/osuAkatsuki/akatsuki-pp-py
+$ pip install git+https://github.com/MaxOhn/rosu-pp-py
 ```

 ## Learn More
- [Rust documentation](https://www.rust-lang.org).
- [PyO3 documentation](https://pyo3.rs/).
- [Python documentation](https://docs.python.org/3/).
+- [rosu-pp]
+- [Rust]
+- [PyO3]
+
+[osu!]: https://osu.ppy.sh/home
+[Rust]: https://www.rust-lang.org
+[rosu-pp]: https://github.com/MaxOhn/rosu-pp
+[PyO3]: https://github.com/PyO3/pyo3
+[Python]: https://www.python.org/downloads/
@@ -1,512 +0,0 @@
-from typing import Optional
-from typing import List
-
-class Beatmap:
-    """
-    A class containing a parsed beatmap.
-
-    The kwargs must include any of the following:
-        `'path': str`
-            The path to a .osu file
-        `'content': str | bytearray`
-            The content of a .osu file as string or bytes
-        `'bytes': bytearray`
-            The content of a .osu file as bytes
-
-    The kwargs may include any of the following:
-        `'ar': float`
-            Specify a custom approach rate
-        `'cs': float`
-            Specify a custom circle size
-        `'hp': float`
-            Specify a custom drain rate
-        `'od': float`
-            Specify a custom overall difficulty
-
-    ## Raises
-
-    Throws an exception if the map could not be parsed or an invalid kwarg was given
-    """
-
-    def __init__(self, **kwargs) -> None:
-        ...
-
-    def set_ar(self, ar: float) -> None:
-        """
-        Specify a custom approach rate
-        """
-        ...
-
-    def set_cs(self, cs: float) -> None:
-        """
-        Specify a custom circle size
-        """
-        ...
-
-    def set_hp(self, hp: float) -> None:
-        """
-        Specify a custom drain rate
-        """
-        ...
-
-    def set_od(self, od: float) -> None:
-        """
-        Specify a custom overall difficulty
-        """
-        ...
-
-
-class Calculator:
-    """
-    A class containing various attributes to calculate strains or map, difficulty, or performance attributes.
-
-    The kwargs may include any of the following:
-        `'mode': int`
-            Must be 0 for osu!standard, 1 for taiko, 2 for catch, or 3 for mania
-        `'mods': int`
-            Bitflags for mods, see https://github.com/ppy/osu-api/wiki#mods
-        `'acc': float`
-            The accuracy between 0.0 and 100.0
-        `'n_geki': int`
-            The amount of gekis i.e. n320 in mania
-        `'n_katu': int`
-            The amount of katu i.e. tiny droplet misses in catch and n200 in mania
-        `'n300': int`
-            The amount of n300
-        `'n100': int`
-            The amount of n100
-        `'n50': int`
-            The amount of n50
-        `'n_misses': int`
-            The amount of misses
-        `'combo': int`
-            The max combo of the score
-        `'passed_object': int`
-            The amount of passed objects, handy for partial plays like fails
-        `'clock_rate': float`
-            Specify a custom clock rate
-        `'difficulty': DifficultyAttributes`
-            If you perform multiple calculations and neither map, mode, mods, nor passed objects amount change,
-            pass the difficulty attributes from a previous calculation so that they don't have to be recalculated
-
-    ## Raises
-
-    Throws an exception if an invalid kwarg was given
-    """
-
-    def __init__(self, **kwargs) -> None: ...
-
-    def set_mode(self, mode: int) -> None:
-        """
-        Must be 0 for osu!standard, 1 for taiko, 2 for catch, or 3 for mania
-        """
-        ...
-
-    def set_mods(self, mods: int) -> None:
-        """
-        Bitflags for mods, see https://github.com/ppy/osu-api/wiki#mods
-        """
-        ...
-
-    def set_acc(self, acc: float) -> None:
-        """
-        The accuracy between 0.0 and 100.0
-        """
-        ...
-
-    def set_n_geki(self, n_geki: int) -> None:
-        """
-        The amount of gekis i.e. n320 in mania
-        """
-        ...
-
-    def set_n_katu(self, n_katu: int) -> None:
-        """
-        The amount of katu i.e. tiny droplet misses in catch and n200 in mania
-        """
-        ...
-
-    def set_n300(self, n300: int) -> None:
-        """
-        The amount of n300
-        """
-        ...
-
-    def set_n100(self, n100: int) -> None:
-        """
-        The amount of n100
-        """
-        ...
-
-    def set_n50(self, n50: int) -> None:
-        """
-        The amount of n50
-        """
-        ...
-
-    def set_n_misses(self, n_misses: int) -> None:
-        """
-        The amount of misses
-        """
-        ...
-
-    def set_combo(self, combo: int) -> None:
-        """
-        The max combo of the score
-        """
-        ...
-
-    def set_passed_objects(self, passed_objects: int) -> None:
-        """
-        The amount of passed objects, handy for partial plays like fails
-        """
-        ...
-
-    def set_clock_rate(self, clock_rate: float) -> None:
-        """
-        Specify a custom clock rate
-        """
-        ...
-
-    def set_difficulty(self, difficulty: DifficultyAttributes) -> None:
-        """
-        If you perform multiple calculations and neither map, mode, mods, nor passed objects change,
-        pass the difficulty attributes from a previous calculation so that they don't have to be recalculated
-        """
-        ...
-
-    def map_attributes(self, map: Beatmap) -> BeatmapAttributes:
-        """
-        Based on the specified mods and clock rate, calculate the beatmap attributes for the given map
-        """
-        ...
-
-    def difficulty(self, map: Beatmap) -> DifficultyAttributes:
-        """
-        Based on all specified parameters, calculate the difficulty attributes for the given map
-        """
-        ...
-
-    def performance(self, map: Beatmap) -> PerformanceAttributes:
-        """
-        Based on all specified parameters, calculate the performance attributes for the given map
-        """
-        ...
-
-    def strains(self, map: Beatmap) -> Strains:
-        """
-        Based on all specified parameters, calculate the strains for the given map
-        """
-        ...
-
-
-class BeatmapAttributes:
-    """
-    Various attributes of a beatmap
-
-    ## Attributes
-
-    `'ar': float`
-        Approach rate
-    `'cs': float`
-        Circle size
-    `'hp': float`
-        Drain rate
-    `'od': float`
-        Overall difficulty
-    `'ar_hit_window': float`
-        Time in ms the the circle is visible ("time preempt")
-    `'od_hit_window': float`
-        Time in ms to get an n300 hitresult ("great hit window")
-    `'clock_rate': float`
-        Clock rate
-    `'bpm': float`
-        Beats per minute
-    `'mode': int`
-        Gamemode integer
-    `'version': int`
-        Version of the .osu file
-    `'n_circles': int`
-        Amount of circles
-    `'n_sliders': int`
-        Amount of sliders
-    `'n_spinners': int`
-        Amount of spinners
-    """
-
-    @property
-    def ar(self) -> float: ...
-    
-    @property
-    def cs(self) -> float: ...
-    
-    @property
-    def hp(self) -> float: ...
-    
-    @property
-    def od(self) -> float: ...
-    
-    @property
-    def ar_hit_window(self) -> float: ...
-    
-    @property
-    def od_hit_window(self) -> float: ...
-    
-    @property
-    def clock_rate(self) -> float: ...
-    
-    @property
-    def bpm(self) -> float: ...
-    
-    @property
-    def mode(self) -> int: ...
-    
-    @property
-    def version(self) -> int:
-    
-    @property
-    def n_circles(self) -> int: ...
-    
-    @property
-    def n_sliders(self) -> int: ...
-    
-    @property
-    def n_spinners(self) -> int: ...
-
-
-class DifficultyAttributes:
-    """
-    All difficulty attributes depending on the mode.
-
-    ## Attributes
-
-    The parantheses indicate for which mode the optional values will be available.
-
-    `'mode': int`
-        Gamemode integer
-    `'stars': float`
-        Star rating
-    `'max_combo': int`
-        Max combo
-    `'aim': Optional[float]`
-        Aim based portion of the star rating (O)
-    `'speed': Optional[float]`
-        Speed based portion of the star rating (O)
-    `'flashlight': Optional[float]`
-        Flashlight based portion of the star rating (O)
-    `'slider_factor': Optional[float]`
-        Nerf factor for aim based on slider difficulty (O)
-    `'speed_note_count': Optional[float]`
-        Amount of notes that are considered as difficult regarding speed (O)
-    `'ar': Optional[float]`
-        Approach rate (O, T)
-    `'od': Optional[float]`
-        Overall difficulty (O)
-    `'n_circles': Optional[int]`
-        Amount of circles (O)
-    `'n_sliders': Optional[int]`
-        Amount of sliders (O)
-    `'n_spinners': Optional[int]`
-        Amount of spinners (O)
-    `'stamina': Optional[float]`
-        Stamina based portion of the star rating (T)
-    `'color': Optional[float]`
-        Color based portion of the star rating (T)
-    `'rhythm': Optional[float]`
-        Rhythm based portion of the star rating (T)
-    `'peak': Optional[float]`
-        Combination of stamina, color, and rhythm ratings (T)
-    `'hit_window': Optional[float]`
-        Great hit window (T, M)
-    `'n_fruits': Optional[int]`
-        Amount of fruits (C)
-    `'n_droplets': Optional[int]`
-        Amount of droplets (C)
-    `'n_tiny_droplets': Optional[int]`
-        Amount of tiny droplets (C)
-    """
-
-    @property
-    def mode(self) -> int: ...
-
-    @property
-    def stars(self) -> float: ...
-
-    @property
-    def max_combo(self) -> int: ...
-
-    @property
-    def aim(self) -> Optional[float]: ...
-
-    @property
-    def speed(self) -> Optional[float]: ...
-
-    @property
-    def flashlight(self) -> Optional[float]: ...
-
-    @property
-    def slider_factor(self) -> Optional[float]: ...
-
-    @property
-    def speed_note_count(self) -> Optional[float]: ...
-
-    @property
-    def ar(self) -> Optional[float]: ...
-
-    @property
-    def od(self) -> Optional[float]: ...
-
-    @property
-    def n_circles(self) -> Optional[int]: ...
-
-    @property
-    def n_sliders(self) -> Optional[int]: ...
-
-    @property
-    def n_spinners(self) -> Optional[int]: ...
-
-    @property
-    def stamina(self) -> Optional[float]: ...
-
-    @property
-    def color(self) -> Optional[float]: ...
-
-    @property
-    def rhythm(self) -> Optional[float]: ...
-
-    @property
-    def peak(self) -> Optional[float]: ...
-
-    @property
-    def hit_window(self) -> Optional[float]: ...
-
-    @property
-    def n_fruits(self) -> Optional[int]: ...
-
-    @property
-    def n_droplets(self) -> Optional[int]: ...
-
-    @property
-    def n_tiny_droplets(self) -> Optional[int]: ...
-
-
-class PerformanceAttributes:
-    """
-    All performance attributes depending on the mode.
-
-    ## Attributes
-
-    The parantheses indicate for which mode the optional values will be available.
-
-    `'mode': int`
-        Gamemode integer
-    `'pp': float`
-        Performance points
-    `'difficulty': DifficultyAttributes`
-        Difficulty attributes based on the mode
-    `'pp_acc': Optional[float]`
-        Accuracy based portion of the performance points (O, T)
-    `'pp_aim': Optional[float]`
-        Aim based portion of the performance points (O)
-    `'pp_speed': Optional[float]`
-        Speed based portion of the performance points (O)
-    `'pp_flashlight': Optional[float]`
-        Flashlight based portion of the performance points (O)
-    `'effective_miss_count': Optional[float]`
-        Approximated misses including actual misses and assumed slider breaks (O, T)
-    `'pp_difficulty': Optional[float]`
-        Difficulty based portion of the performance points (T, M)
-    """
-
-    @property
-    def mode(self) -> int: ...
-
-    @property
-    def pp(self) -> float: ...
-
-    @property
-    def difficulty(self) -> DifficultyAttributes: ...
-
-    @property
-    def pp_acc(self) -> Optional[float]: ...
-
-    @property
-    def pp_aim(self) -> Optional[float]: ...
-
-    @property
-    def pp_speed(self) -> Optional[float]: ...
-
-    @property
-    def pp_flashlight(self) -> Optional[float]: ...
-
-    @property
-    def effective_miss_count(self) -> Optional[float]: ...
-
-    @property
-    def pp_difficulty(self) -> Optional[float]: ...
-
-
-class Strains:
-    """
-    All strain values depending on the mode
-
-    ## Attributes
-
-    The parantheses indicate for which mode the optional values will be available.
-
-    `'mode': int`
-        Gamemode integer
-    `'section_len': float`
-        Time in ms between two strain points
-    `'aim': Optional[List[float]]`
-        Aim strain values (O)
-    `'aim_no_sliders': Optional[List[float]]`
-        Aim strain values with sliders (O)
-    `'speed': Optional[List[float]]`
-        Speed strain values (O)
-    `'flashlight': Optional[List[float]]`
-        Flashlight strain values (O)
-    `'color': Optional[List[float]]`
-        Color strain values (T)
-    `'stamina': Optional[List[float]]`
-        Stamina strain values (T)
-    `'rhythm': Optional[List[float]]`
-        Rhythm strain values (T)
-    `'movement': Optional[List[float]]`
-        Movement strain values (C)
-    `'strains': Optional[List[float]]`
-        Strain values (M)
-    """
-
-    @property
-    def mode(self) -> int: ...
-
-    @property
-    def section_len(self) -> float: ...
-
-    @property
-    def aim(self) -> Optional[List[float]]: ...
-
-    @property
-    def aim_no_sliders(self) -> Optional[List[float]]: ...
-
-    @property
-    def speed(self) -> Optional[List[float]]: ...
-    
-    @property
-    def flashlight(self) -> Optional[List[float]]: ...
-
-    @property
-    def color(self) -> Optional[List[float]]: ...
-
-    @property
-    def stamina(self) -> Optional[List[float]]: ...
-
-    @property
-    def rhythm(self) -> Optional[List[float]]: ...
-
-    @property
-    def movement(self) -> Optional[List[float]]: ...
-
-    @property
-    def strains(self) -> Optional[List[float]]: ...
@@ -1,14 +1,13 @@
 [build-system]
-requires = ["maturin>=0.14,<0.15"]
+requires = ["maturin>=1,<2"]
 build-backend = "maturin"

 [project]
-name = "akatsuki-pp-py"
-version = "0.9.7"
+name = "rosu-pp-py"
+version = "1.1.0"
 requires-python = ">=3.7"
-description = "osu! difficulty and pp calculation for all modes"
+description = "Difficulty and performance calculation for osu!"
 classifiers = [
-    "Development Status :: 4 - Beta",
    "Intended Audience :: Developers",
    "License :: OSI Approved :: MIT License",
    "Operating System :: OS Independent",
@@ -16,9 +15,10 @@ classifiers = [
    "Programming Language :: Python :: Implementation :: CPython",
    "Programming Language :: Python :: Implementation :: PyPy",
 ]
-packages = [{ include = "akatsuki_pp_py" }]
-authors = [{ name = "Max Ohn", email = "ohn.m@hotmail.de" }, { name = "tsunyoku", email = "tsunyoku@gmail.com" }]
+authors = [{ name = "Max Ohn", email = "ohn.m@hotmail.de" }]
 readme = "README.md"
 license = { file = "LICENSE" }
-repository = "https://github.com/osuAkatsuki/akatsuki-pp-py"
 keywords = ["osu", "pp", "stars", "performance", "difficulty"]
+
+[tool.maturin]
+features = ["pyo3/extension-module", "pyo3/generate-import-lib"]
@@ -0,0 +1,261 @@
+use pyo3::{
+    exceptions::PyTypeError,
+    pyclass, pymethods,
+    types::{PyAnyMethods, PyDict},
+    Bound, PyRef, PyResult,
+};
+use rosu_pp::model::beatmap::{BeatmapAttributes, BeatmapAttributesBuilder, HitWindows};
+
+use crate::{beatmap::PyBeatmap, error::ArgsError, mode::PyGameMode, mods::PyGameMods};
+
+#[pyclass(name = "BeatmapAttributesBuilder")]
+#[derive(Default)]
+pub struct PyBeatmapAttributesBuilder {
+    mode: Option<PyGameMode>,
+    is_convert: bool,
+    mods: PyGameMods,
+    clock_rate: Option<f64>,
+    ar: Option<f32>,
+    ar_with_mods: bool,
+    cs: Option<f32>,
+    cs_with_mods: bool,
+    hp: Option<f32>,
+    hp_with_mods: bool,
+    od: Option<f32>,
+    od_with_mods: bool,
+}
+
+#[pymethods]
+impl PyBeatmapAttributesBuilder {
+    #[new]
+    #[pyo3(signature = (**kwargs))]
+    fn new(kwargs: Option<&Bound<'_, PyDict>>) -> PyResult<Self> {
+        let mut this = Self::default();
+
+        let Some(kwargs) = kwargs else {
+            return Ok(this);
+        };
+
+        for (key, value) in kwargs {
+            match key.extract()? {
+                "map" => {
+                    let map = value
+                        .extract::<PyRef<'_, PyBeatmap>>()
+                        .map_err(|_| PyTypeError::new_err("kwarg 'map': must be a Beatmap"))?;
+
+                    this.set_map(map);
+                }
+                "mode" => {
+                    this.mode =
+                        Some(value.extract().map_err(|_| {
+                            PyTypeError::new_err("kwarg 'mode': must be a GameMode")
+                        })?)
+                }
+                "is_convert" => {
+                    this.is_convert = value
+                        .extract()
+                        .map_err(|_| PyTypeError::new_err("kwarg 'is_convert': must be a bool"))?
+                }
+                "mods" => {
+                    this.mods = value
+                        .extract()
+                        .map_err(|_| PyTypeError::new_err("kwarg 'mods': must be GameMods"))?
+                }
+                "clock_rate" => {
+                    this.clock_rate =
+                        Some(value.extract().map_err(|_| {
+                            PyTypeError::new_err("kwarg 'clock_rate': must be a float")
+                        })?)
+                }
+                "ar" => {
+                    this.ar = Some(
+                        value
+                            .extract()
+                            .map_err(|_| PyTypeError::new_err("kwarg 'ar': must be a float"))?,
+                    )
+                }
+                "ar_with_mods" => {
+                    this.ar_with_mods = value
+                        .extract()
+                        .map_err(|_| PyTypeError::new_err("kwarg 'ar_with_mods': must be a bool"))?
+                }
+                "cs" => {
+                    this.cs = Some(
+                        value
+                            .extract()
+                            .map_err(|_| PyTypeError::new_err("kwarg 'cs': must be a float"))?,
+                    )
+                }
+                "cs_with_mods" => {
+                    this.cs_with_mods = value
+                        .extract()
+                        .map_err(|_| PyTypeError::new_err("kwarg 'cs_with_mods': must be a bool"))?
+                }
+                "hp" => {
+                    this.hp = Some(
+                        value
+                            .extract()
+                            .map_err(|_| PyTypeError::new_err("kwarg 'hp': must be a float"))?,
+                    )
+                }
+                "hp_with_mods" => {
+                    this.hp_with_mods = value
+                        .extract()
+                        .map_err(|_| PyTypeError::new_err("kwarg 'hp_with_mods': must be a bool"))?
+                }
+                "od" => {
+                    this.od = Some(
+                        value
+                            .extract()
+                            .map_err(|_| PyTypeError::new_err("kwarg 'od': must be a float"))?,
+                    )
+                }
+                "od_with_mods" => {
+                    this.od_with_mods = value
+                        .extract()
+                        .map_err(|_| PyTypeError::new_err("kwarg 'od_with_mods': must be a bool"))?
+                }
+                kwarg => {
+                    let err = format!(
+                        "unexpected kwarg '{kwarg}': expected 'map', 'mode', \n\
+                        'is_convert', 'mods', 'clock_rate', 'ar', 'ar_with_mods', \n\
+                        'cs', 'cs_with_mods', 'hp', 'hp_with_mods', 'od', \n\
+                        or 'od_with_mods'"
+                    );
+
+                    return Err(ArgsError::new_err(err));
+                }
+            }
+        }
+
+        Ok(this)
+    }
+
+    fn build(&self) -> PyBeatmapAttributes {
+        let mut builder = BeatmapAttributesBuilder::new();
+
+        builder = match self.mods {
+            PyGameMods::Lazer(ref mods) => builder.mods(mods.clone()),
+            PyGameMods::Intermode(ref mods) => builder.mods(mods),
+            PyGameMods::Legacy(mods) => builder.mods(mods),
+        };
+
+        if let Some(mode) = self.mode {
+            builder = builder.mode(mode.into(), self.is_convert);
+        }
+
+        if let Some(clock_rate) = self.clock_rate {
+            builder = builder.clock_rate(clock_rate);
+        }
+
+        if let Some(ar) = self.ar {
+            builder = builder.ar(ar, self.ar_with_mods);
+        }
+
+        if let Some(cs) = self.cs {
+            builder = builder.cs(cs, self.cs_with_mods);
+        }
+
+        if let Some(hp) = self.hp {
+            builder = builder.hp(hp, self.hp_with_mods);
+        }
+
+        if let Some(od) = self.od {
+            builder = builder.od(od, self.od_with_mods);
+        }
+
+        builder.build().into()
+    }
+
+    fn set_map(&mut self, map: PyRef<'_, PyBeatmap>) {
+        let map = &map.inner;
+
+        self.mode = Some(map.mode.into());
+        self.ar = Some(map.ar);
+        self.cs = Some(map.cs);
+        self.hp = Some(map.hp);
+        self.od = Some(map.od);
+        self.is_convert = map.is_convert;
+    }
+
+    #[pyo3(signature = (mode, is_convert))]
+    fn set_mode(&mut self, mode: Option<PyGameMode>, is_convert: bool) {
+        self.mode = mode;
+        self.is_convert = is_convert;
+    }
+
+    #[pyo3(signature = (mods=None))]
+    fn set_mods(&mut self, mods: Option<PyGameMods>) {
+        self.mods = mods.unwrap_or_default();
+    }
+
+    #[pyo3(signature = (clock_rate=None))]
+    fn set_clock_rate(&mut self, clock_rate: Option<f64>) {
+        self.clock_rate = clock_rate;
+    }
+
+    #[pyo3(signature = (ar, ar_with_mods))]
+    fn set_ar(&mut self, ar: Option<f32>, ar_with_mods: bool) {
+        self.ar = ar;
+        self.ar_with_mods = ar_with_mods;
+    }
+
+    #[pyo3(signature = (cs, cs_with_mods))]
+    fn set_cs(&mut self, cs: Option<f32>, cs_with_mods: bool) {
+        self.cs = cs;
+        self.cs_with_mods = cs_with_mods;
+    }
+
+    #[pyo3(signature = (hp, hp_with_mods))]
+    fn set_hp(&mut self, hp: Option<f32>, hp_with_mods: bool) {
+        self.hp = hp;
+        self.hp_with_mods = hp_with_mods;
+    }
+
+    #[pyo3(signature = (od, od_with_mods))]
+    fn set_od(&mut self, od: Option<f32>, od_with_mods: bool) {
+        self.od = od;
+        self.od_with_mods = od_with_mods;
+    }
+}
+
+define_class! {
+    #[pyclass(name = "BeatmapAttributes", frozen)]
+    #[derive(Clone)]
+    pub struct PyBeatmapAttributes {
+        pub ar: f64!,
+        pub od: f64!,
+        pub cs: f64!,
+        pub hp: f64!,
+        pub clock_rate: f64!,
+        pub ar_hitwindow: f64!,
+        pub od_hitwindow: f64!,
+    }
+}
+
+impl From<BeatmapAttributes> for PyBeatmapAttributes {
+    fn from(attrs: BeatmapAttributes) -> Self {
+        let BeatmapAttributes {
+            ar,
+            od,
+            cs,
+            hp,
+            clock_rate,
+            hit_windows:
+                HitWindows {
+                    ar: ar_hitwindow,
+                    od: od_hitwindow,
+                },
+        } = attrs;
+
+        Self {
+            ar,
+            od,
+            cs,
+            hp,
+            clock_rate,
+            ar_hitwindow,
+            od_hitwindow,
+        }
+    }
+}
@@ -0,0 +1,287 @@
+use pyo3::{pyclass, PyErr};
+use rosu_pp::{
+    any::DifficultyAttributes, catch::CatchDifficultyAttributes, mania::ManiaDifficultyAttributes,
+    osu::OsuDifficultyAttributes, taiko::TaikoDifficultyAttributes,
+};
+
+use crate::{error::ParseError, mode::PyGameMode};
+
+define_class! {
+    #[pyclass(name = "DifficultyAttributes", frozen)]
+    #[derive(Clone, Default)]
+    pub struct PyDifficultyAttributes {
+        pub mode: PyGameMode!,
+        pub stars: f64!,
+        pub is_convert: bool!,
+        pub aim: f64?,
+        pub speed: f64?,
+        pub flashlight: f64?,
+        pub slider_factor: f64?,
+        pub speed_note_count: f64?,
+        pub od: f64?,
+        pub hp: f64?,
+        pub n_circles: u32?,
+        pub n_sliders: u32?,
+        pub n_spinners: u32?,
+        pub stamina: f64?,
+        pub rhythm: f64?,
+        pub color: f64?,
+        pub peak: f64?,
+        pub n_fruits: u32?,
+        pub n_droplets: u32?,
+        pub n_tiny_droplets: u32?,
+        pub n_objects: u32?,
+        pub ar: f64?,
+        pub hit_window: f64?,
+        pub max_combo: u32!,
+    }
+}
+
+impl From<OsuDifficultyAttributes> for PyDifficultyAttributes {
+    fn from(attrs: OsuDifficultyAttributes) -> Self {
+        let OsuDifficultyAttributes {
+            aim,
+            speed,
+            flashlight,
+            slider_factor,
+            speed_note_count,
+            ar,
+            od,
+            hp,
+            n_circles,
+            n_sliders,
+            n_spinners,
+            stars,
+            max_combo,
+        } = attrs;
+
+        Self {
+            mode: PyGameMode::Osu,
+            stars,
+            is_convert: false,
+            aim: Some(aim),
+            speed: Some(speed),
+            flashlight: Some(flashlight),
+            slider_factor: Some(slider_factor),
+            speed_note_count: Some(speed_note_count),
+            ar: Some(ar),
+            od: Some(od),
+            hp: Some(hp),
+            n_circles: Some(n_circles),
+            n_sliders: Some(n_sliders),
+            n_spinners: Some(n_spinners),
+            max_combo,
+            ..Self::default()
+        }
+    }
+}
+
+impl From<TaikoDifficultyAttributes> for PyDifficultyAttributes {
+    fn from(attrs: TaikoDifficultyAttributes) -> Self {
+        let TaikoDifficultyAttributes {
+            stamina,
+            rhythm,
+            color,
+            peak,
+            hit_window,
+            stars,
+            max_combo,
+            is_convert,
+        } = attrs;
+
+        Self {
+            mode: PyGameMode::Taiko,
+            stars,
+            is_convert,
+            stamina: Some(stamina),
+            rhythm: Some(rhythm),
+            color: Some(color),
+            peak: Some(peak),
+            hit_window: Some(hit_window),
+            max_combo,
+            ..Self::default()
+        }
+    }
+}
+
+impl From<CatchDifficultyAttributes> for PyDifficultyAttributes {
+    fn from(attrs: CatchDifficultyAttributes) -> Self {
+        let max_combo = attrs.max_combo();
+
+        let CatchDifficultyAttributes {
+            stars,
+            ar,
+            n_fruits,
+            n_droplets,
+            n_tiny_droplets,
+            is_convert,
+        } = attrs;
+
+        Self {
+            mode: PyGameMode::Catch,
+            stars,
+            is_convert,
+            ar: Some(ar),
+            n_fruits: Some(n_fruits),
+            n_droplets: Some(n_droplets),
+            n_tiny_droplets: Some(n_tiny_droplets),
+            max_combo,
+            ..Self::default()
+        }
+    }
+}
+
+impl From<ManiaDifficultyAttributes> for PyDifficultyAttributes {
+    fn from(attrs: ManiaDifficultyAttributes) -> Self {
+        let ManiaDifficultyAttributes {
+            stars,
+            hit_window,
+            n_objects,
+            max_combo,
+            is_convert,
+        } = attrs;
+
+        Self {
+            mode: PyGameMode::Mania,
+            stars,
+            is_convert,
+            hit_window: Some(hit_window),
+            n_objects: Some(n_objects),
+            max_combo,
+            ..Self::default()
+        }
+    }
+}
+
+impl From<DifficultyAttributes> for PyDifficultyAttributes {
+    fn from(attrs: DifficultyAttributes) -> Self {
+        match attrs {
+            DifficultyAttributes::Osu(attrs) => attrs.into(),
+            DifficultyAttributes::Taiko(attrs) => attrs.into(),
+            DifficultyAttributes::Catch(attrs) => attrs.into(),
+            DifficultyAttributes::Mania(attrs) => attrs.into(),
+        }
+    }
+}
+
+impl TryFrom<PyDifficultyAttributes> for DifficultyAttributes {
+    type Error = PyErr;
+
+    fn try_from(attrs: PyDifficultyAttributes) -> Result<Self, Self::Error> {
+        let PyDifficultyAttributes {
+            mode,
+            stars,
+            is_convert,
+            aim,
+            speed,
+            flashlight,
+            slider_factor,
+            speed_note_count,
+            od,
+            hp,
+            n_circles,
+            n_sliders,
+            n_spinners,
+            stamina,
+            rhythm,
+            color,
+            peak,
+            n_fruits,
+            n_droplets,
+            n_tiny_droplets,
+            n_objects,
+            ar,
+            hit_window,
+            max_combo,
+        } = attrs;
+
+        match mode {
+            PyGameMode::Osu => {
+                if let (
+                    Some(aim),
+                    Some(speed),
+                    Some(flashlight),
+                    Some(slider_factor),
+                    Some(speed_note_count),
+                    Some(ar),
+                    Some(od),
+                    Some(hp),
+                    Some(n_circles),
+                    Some(n_sliders),
+                    Some(n_spinners),
+                ) = (
+                    aim,
+                    speed,
+                    flashlight,
+                    slider_factor,
+                    speed_note_count,
+                    ar,
+                    od,
+                    hp,
+                    n_circles,
+                    n_sliders,
+                    n_spinners,
+                ) {
+                    return Ok(Self::Osu(OsuDifficultyAttributes {
+                        aim,
+                        speed,
+                        flashlight,
+                        slider_factor,
+                        speed_note_count,
+                        ar,
+                        od,
+                        hp,
+                        n_circles,
+                        n_sliders,
+                        n_spinners,
+                        stars,
+                        max_combo,
+                    }));
+                }
+            }
+            PyGameMode::Taiko => {
+                if let (Some(stamina), Some(rhythm), Some(color), Some(peak), Some(hit_window)) =
+                    (stamina, rhythm, color, peak, hit_window)
+                {
+                    return Ok(Self::Taiko(TaikoDifficultyAttributes {
+                        stamina,
+                        rhythm,
+                        color,
+                        peak,
+                        hit_window,
+                        stars,
+                        max_combo,
+                        is_convert,
+                    }));
+                }
+            }
+            PyGameMode::Catch => {
+                if let (Some(ar), Some(n_fruits), Some(n_droplets), Some(n_tiny_droplets)) =
+                    (ar, n_fruits, n_droplets, n_tiny_droplets)
+                {
+                    return Ok(Self::Catch(CatchDifficultyAttributes {
+                        stars,
+                        ar,
+                        n_fruits,
+                        n_droplets,
+                        n_tiny_droplets,
+                        is_convert,
+                    }));
+                }
+            }
+            PyGameMode::Mania => {
+                if let (Some(hit_window), Some(n_objects)) = (hit_window, n_objects) {
+                    return Ok(Self::Mania(ManiaDifficultyAttributes {
+                        stars,
+                        hit_window,
+                        n_objects,
+                        max_combo,
+                        is_convert,
+                    }));
+                }
+            }
+        }
+
+        Err(ParseError::new_err("invalid difficulty attributes"))
+    }
+}
@@ -0,0 +1,3 @@
+pub mod beatmap;
+pub mod difficulty;
+pub mod performance;
@@ -0,0 +1,112 @@
+use pyo3::pyclass;
+use rosu_pp::{
+    any::PerformanceAttributes, catch::CatchPerformanceAttributes,
+    mania::ManiaPerformanceAttributes, osu::OsuPerformanceAttributes,
+    taiko::TaikoPerformanceAttributes,
+};
+
+use crate::score_state::PyScoreState;
+
+use super::difficulty::PyDifficultyAttributes;
+
+define_class! {
+    #[pyclass(name = "PerformanceAttributes", frozen)]
+    #[derive(Clone, Default)]
+    pub struct PyPerformanceAttributes {
+        pub difficulty: PyDifficultyAttributes!,
+        pub state: PyScoreState?,
+        pub pp: f64!,
+        pub pp_aim: f64?,
+        pub pp_flashlight: f64?,
+        pub pp_speed: f64?,
+        pub pp_accuracy: f64?,
+        pub effective_miss_count: f64?,
+        pub pp_difficulty: f64?,
+    }
+}
+
+impl From<OsuPerformanceAttributes> for PyPerformanceAttributes {
+    fn from(attrs: OsuPerformanceAttributes) -> Self {
+        let OsuPerformanceAttributes {
+            difficulty,
+            pp,
+            pp_acc,
+            pp_aim,
+            pp_flashlight,
+            pp_speed,
+            effective_miss_count,
+        } = attrs;
+
+        Self {
+            difficulty: difficulty.into(),
+            pp,
+            pp_accuracy: Some(pp_acc),
+            pp_aim: Some(pp_aim),
+            pp_flashlight: Some(pp_flashlight),
+            pp_speed: Some(pp_speed),
+            effective_miss_count: Some(effective_miss_count),
+            ..Self::default()
+        }
+    }
+}
+
+impl From<TaikoPerformanceAttributes> for PyPerformanceAttributes {
+    fn from(attrs: TaikoPerformanceAttributes) -> Self {
+        let TaikoPerformanceAttributes {
+            difficulty,
+            pp,
+            pp_acc,
+            pp_difficulty,
+            effective_miss_count,
+        } = attrs;
+
+        Self {
+            difficulty: difficulty.into(),
+            pp,
+            pp_accuracy: Some(pp_acc),
+            pp_difficulty: Some(pp_difficulty),
+            effective_miss_count: Some(effective_miss_count),
+            ..Self::default()
+        }
+    }
+}
+
+impl From<CatchPerformanceAttributes> for PyPerformanceAttributes {
+    fn from(attrs: CatchPerformanceAttributes) -> Self {
+        let CatchPerformanceAttributes { difficulty, pp } = attrs;
+
+        Self {
+            difficulty: difficulty.into(),
+            pp,
+            ..Self::default()
+        }
+    }
+}
+
+impl From<ManiaPerformanceAttributes> for PyPerformanceAttributes {
+    fn from(attrs: ManiaPerformanceAttributes) -> Self {
+        let ManiaPerformanceAttributes {
+            difficulty,
+            pp,
+            pp_difficulty,
+        } = attrs;
+
+        Self {
+            difficulty: difficulty.into(),
+            pp,
+            pp_difficulty: Some(pp_difficulty),
+            ..Self::default()
+        }
+    }
+}
+
+impl From<PerformanceAttributes> for PyPerformanceAttributes {
+    fn from(attrs: PerformanceAttributes) -> Self {
+        match attrs {
+            PerformanceAttributes::Osu(attrs) => attrs.into(),
+            PerformanceAttributes::Taiko(attrs) => attrs.into(),
+            PerformanceAttributes::Catch(attrs) => attrs.into(),
+            PerformanceAttributes::Mania(attrs) => attrs.into(),
+        }
+    }
+}
@@ -1,7 +1,23 @@
-use pyo3::{exceptions::PyTypeError, pyclass, pymethods, types::PyDict, PyResult};
-use akatsuki_pp::Beatmap;
+use std::{error::Error as StdError, fmt::Write};

-use crate::error::{ErrorExt, KwargsError, ParseError};
+use pyo3::{
+    exceptions::PyTypeError,
+    pyclass, pymethods,
+    types::{PyAnyMethods, PyDict},
+    Bound, PyResult,
+};
+use rosu_pp::{
+    model::{
+        hit_object::HitObjectKind,
+        mode::{ConvertStatus, GameMode},
+    },
+    Beatmap,
+};
+
+use crate::{
+    error::{ArgsError, ConvertError, ParseError},
+    mode::PyGameMode,
+};

 #[pyclass(name = "Beatmap")]
 pub struct PyBeatmap {
@@ -11,34 +27,24 @@ pub struct PyBeatmap {
 #[pymethods]
 impl PyBeatmap {
    #[new]
-    #[args(kwargs = "**")]
-    fn new(kwargs: Option<&PyDict>) -> PyResult<Self> {
-        let kwargs = match kwargs {
-            Some(kwargs) => kwargs,
-            None => {
-                return Err(KwargsError::new_err(
-                    "'Beatmap' constructor requires kwargs",
-                ))
-            }
+    #[pyo3(signature = (**kwargs))]
+    fn new(kwargs: Option<&Bound<'_, PyDict>>) -> PyResult<Self> {
+        let Some(kwargs) = kwargs else {
+            return Err(ArgsError::new_err(
+                "kwarg 'path', 'bytes', or 'content' must be specified",
+            ));
        };

-        let mut map = None;
-        let mut ar = None;
-        let mut cs = None;
-        let mut hp = None;
-        let mut od = None;
+        let mut map_res = None;

-        for (key, value) in kwargs.iter() {
+        for (key, value) in kwargs {
            match key.extract()? {
                "path" => {
                    let path = value
                        .extract::<&str>()
-                        .map_err(|_| PyTypeError::new_err("kwarg 'path': must be a string"))?;
+                        .map_err(|_| PyTypeError::new_err("kwarg 'path': must be a str"))?;

-                    let parsed = Beatmap::from_path(path)
-                        .map_err(|e| ParseError::new_err(e.unwind("Failed to parse beatmap")))?;
-
-                    map = Some(parsed);
+                    map_res = Some(Beatmap::from_path(path));
                }
                "content" => {
                    let bytes = if let Ok(content) = value.extract::<&str>() {
@@ -47,100 +53,163 @@ impl PyBeatmap {
                        bytes
                    } else {
                        return Err(PyTypeError::new_err(
-                            "kwarg 'content': must be a string or a bytearray",
+                            "kwarg 'content': must be a str or a bytearray",
                        ));
                    };

-                    let parsed = Beatmap::from_bytes(bytes)
-                        .map_err(|e| ParseError::new_err(e.unwind("Failed to parse beatmap")))?;
-
-                    map = Some(parsed);
+                    map_res = Some(Beatmap::from_bytes(bytes));
                }
                "bytes" => {
                    let bytes = value
                        .extract::<&[u8]>()
                        .map_err(|_| PyTypeError::new_err("kwarg 'bytes': must be a bytearray"))?;

-                    let parsed = Beatmap::from_bytes(bytes)
-                        .map_err(|e| ParseError::new_err(e.unwind("Failed to parse beatmap")))?;
-
-                    map = Some(parsed);
-                }
-                "ar" => {
-                    let value = value
-                        .extract()
-                        .map_err(|_| PyTypeError::new_err("kwarg 'ar': must be a real number"))?;
-
-                    ar = Some(value);
-                }
-                "cs" => {
-                    let value = value
-                        .extract()
-                        .map_err(|_| PyTypeError::new_err("kwarg 'cs': must be a real number"))?;
-
-                    cs = Some(value);
-                }
-                "hp" => {
-                    let value = value
-                        .extract()
-                        .map_err(|_| PyTypeError::new_err("kwarg 'hp': must be a real number"))?;
-
-                    hp = Some(value);
-                }
-                "od" => {
-                    let value = value
-                        .extract()
-                        .map_err(|_| PyTypeError::new_err("kwarg 'od': must be a real number"))?;
-
-                    od = Some(value);
+                    map_res = Some(Beatmap::from_bytes(bytes));
                }
                kwarg => {
                    let err = format!(
-                        "unexpected kwarg '{kwarg}': expected 'path', \n\
-                        'content', 'bytes', 'ar', 'cs', 'hp', or 'od'"
+                        "unexpected kwarg '{kwarg}': expected 'path', \
+                        'content', or 'bytes'"
                    );

-                    return Err(KwargsError::new_err(err));
+                    return Err(ArgsError::new_err(err));
                }
            }
        }

-        let mut map = map.ok_or_else(|| {
-            KwargsError::new_err("kwargs must include 'path', 'content', or 'bytes'")
-        })?;
+        let map = match map_res {
+            Some(Ok(map)) => map,
+            Some(Err(err)) => {
+                let mut e = &err as &dyn StdError;
+                let mut content = format!("Failed to parse beatmap\n  - caused by: {e}");

-        if let Some(ar) = ar {
-            map.ar = ar;
+                while let Some(src) = e.source() {
+                    let _ = write!(content, "\n  - caused by: {src}");
+                    e = src;
                }

-        if let Some(cs) = cs {
-            map.cs = cs;
+                return Err(ParseError::new_err(content));
            }
-
-        if let Some(hp) = hp {
-            map.hp = hp;
-        }
-
-        if let Some(od) = od {
-            map.od = od;
+            None => {
+                return Err(ArgsError::new_err(
+                    "kwarg 'path', 'bytes', or 'content' must be specified",
+                ))
            }
+        };

        Ok(Self { inner: map })
    }

-    fn set_ar(&mut self, ar: f32) {
-        self.inner.ar = ar;
+    fn convert(&mut self, mode: PyGameMode) -> PyResult<()> {
+        let mode = GameMode::from(mode);
+
+        if let ConvertStatus::Incompatible = self.inner.convert_in_place(mode) {
+            let err = format!("Cannot convert {:?} to {mode:?}", self.inner.mode);
+
+            return Err(ConvertError::new_err(err));
        }

-    fn set_cs(&mut self, cs: f32) {
-        self.inner.cs = cs;
+        Ok(())
    }

-    fn set_hp(&mut self, hp: f32) {
-        self.inner.hp = hp;
+    #[getter]
+    fn bpm(&self) -> f64 {
+        self.inner.bpm()
    }

-    fn set_od(&mut self, od: f32) {
-        self.inner.od = od;
+    #[getter]
+    fn version(&self) -> i32 {
+        self.inner.version
+    }
+
+    #[getter]
+    fn is_convert(&self) -> bool {
+        self.inner.is_convert
+    }
+
+    #[getter]
+    fn stack_leniency(&self) -> f32 {
+        self.inner.stack_leniency
+    }
+
+    #[getter]
+    fn ar(&self) -> f32 {
+        self.inner.ar
+    }
+
+    #[getter]
+    fn cs(&self) -> f32 {
+        self.inner.cs
+    }
+
+    #[getter]
+    fn hp(&self) -> f32 {
+        self.inner.hp
+    }
+
+    #[getter]
+    fn od(&self) -> f32 {
+        self.inner.od
+    }
+
+    #[getter]
+    fn slider_multiplier(&self) -> f64 {
+        self.inner.slider_multiplier
+    }
+
+    #[getter]
+    fn slider_tick_rate(&self) -> f64 {
+        self.inner.slider_tick_rate
+    }
+
+    #[getter]
+    pub fn mode(&self) -> PyGameMode {
+        PyGameMode::from(self.inner.mode)
+    }
+
+    #[getter]
+    pub fn n_breaks(&self) -> usize {
+        self.inner.breaks.len()
+    }
+
+    #[getter]
+    pub fn n_objects(&self) -> usize {
+        self.inner.hit_objects.len()
+    }
+
+    #[getter]
+    pub fn n_circles(&self) -> usize {
+        self.inner
+            .hit_objects
+            .iter()
+            .filter(|h| h.is_circle())
+            .count()
+    }
+
+    #[getter]
+    pub fn n_sliders(&self) -> usize {
+        self.inner
+            .hit_objects
+            .iter()
+            .filter(|h| h.is_slider())
+            .count()
+    }
+
+    #[getter]
+    pub fn n_spinners(&self) -> usize {
+        self.inner
+            .hit_objects
+            .iter()
+            .filter(|h| h.is_spinner())
+            .count()
+    }
+
+    #[getter]
+    pub fn n_holds(&self) -> usize {
+        self.inner
+            .hit_objects
+            .iter()
+            .filter(|h| matches!(h.kind, HitObjectKind::Hold(_)))
+            .count()
    }
 }
@@ -1,334 +0,0 @@
-use akatsuki_pp::{
-    osu::{OsuDifficultyAttributes, OsuPerformanceAttributes},
-    osu_2019::OsuPP,
-    AnyPP, AnyStars, DifficultyAttributes, GameMode, Mods, PerformanceAttributes,
-};
-use pyo3::{
-    exceptions::{PyTypeError, PyValueError},
-    pyclass, pymethods,
-    types::PyDict,
-    PyResult,
-};
-
-use crate::{
-    beatmap::PyBeatmap, diff_attrs::PyDifficultyAttributes, error::KwargsError,
-    map_attrs::PyBeatmapAttributes, perf_attrs::PyPerformanceAttributes, strains::PyStrains,
-};
-
-#[pyclass(name = "Calculator")]
-#[derive(Default)]
-pub struct PyCalculator {
-    attributes: Option<DifficultyAttributes>,
-    mode: Option<GameMode>,
-    mods: Option<u32>,
-    acc: Option<f64>,
-    n_geki: Option<usize>,
-    n_katu: Option<usize>,
-    n300: Option<usize>,
-    n100: Option<usize>,
-    n50: Option<usize>,
-    n_misses: Option<usize>,
-    combo: Option<usize>,
-    passed_objects: Option<usize>,
-    clock_rate: Option<f64>,
-}
-
-macro_rules! set_calc {
-    ( $calc:ident, $this:ident: $( $field:ident ,)* ) => {
-        $(
-            if let Some(val) = $this.$field {
-                $calc = $calc.$field(val);
-            }
-        )*
-    };
-}
-
-#[pymethods]
-impl PyCalculator {
-    #[new]
-    #[args(kwargs = "**")]
-    fn new(kwargs: Option<&PyDict>) -> PyResult<Self> {
-        let kwargs = match kwargs {
-            Some(kwargs) => kwargs,
-            None => return Ok(Self::default()),
-        };
-
-        let mut this = Self::default();
-
-        for (key, value) in kwargs.iter() {
-            match key.extract()? {
-                "mode" => {
-                    let int = value
-                        .extract::<u8>()
-                        .map_err(|_| PyTypeError::new_err("kwarg 'mode': must be an int"))?;
-
-                    this.mode = match int {
-                        0 => Some(GameMode::Osu),
-                        1 => Some(GameMode::Taiko),
-                        2 => Some(GameMode::Catch),
-                        3 => Some(GameMode::Mania),
-                        _ => return Err(PyValueError::new_err("invalid mode integer")),
-                    }
-                }
-                "mods" => {
-                    this.mods = value
-                        .extract()
-                        .map_err(|_| PyTypeError::new_err("kwarg 'mods': must be an int"))?;
-                }
-                "n300" => {
-                    this.n300 = value
-                        .extract()
-                        .map_err(|_| PyTypeError::new_err("kwarg 'n300': must be an int"))?;
-                }
-                "n100" => {
-                    this.n100 = value
-                        .extract()
-                        .map_err(|_| PyTypeError::new_err("kwarg 'n100': must be an int"))?;
-                }
-                "n50" => {
-                    this.n50 = value
-                        .extract()
-                        .map_err(|_| PyTypeError::new_err("kwarg 'n50': must be an int"))?;
-                }
-                "n_misses" => {
-                    this.n_misses = value
-                        .extract()
-                        .map_err(|_| PyTypeError::new_err("kwarg 'n_misses': must be an int"))?;
-                }
-                "n_geki" => {
-                    this.n_geki = value
-                        .extract()
-                        .map_err(|_| PyTypeError::new_err("kwarg 'n_geki': must be an int"))?;
-                }
-                "n_katu" => {
-                    this.n_katu = value
-                        .extract()
-                        .map_err(|_| PyTypeError::new_err("kwarg 'n_katu': must be an int"))?;
-                }
-                "acc" | "accuracy" => {
-                    this.acc = value
-                        .extract()
-                        .map_err(|_| PyTypeError::new_err("kwarg 'acc': must be a real number"))?;
-                }
-                "combo" => {
-                    this.combo = value
-                        .extract()
-                        .map_err(|_| PyTypeError::new_err("kwarg 'combo': must be an int"))?;
-                }
-                "passed_objects" => {
-                    this.passed_objects = value.extract().map_err(|_| {
-                        PyTypeError::new_err("kwarg 'passed_objects': must be an int")
-                    })?;
-                }
-                "clock_rate" => {
-                    this.clock_rate = value.extract().map_err(|_| {
-                        PyTypeError::new_err("kwarg 'clock_rate': must be a real number")
-                    })?;
-                }
-                "difficulty" | "attributes" => {
-                    let attrs = value.extract::<PyDifficultyAttributes>().map_err(|_| {
-                        PyTypeError::new_err("kwarg 'difficulty': must be DifficultyAttributes")
-                    })?;
-
-                    this.attributes = Some(attrs.inner);
-                }
-                kwarg => {
-                    let err = format!(
-                        "unexpected kwarg '{kwarg}': expected 'mode', 'mods', \n\
-                        'n_geki', 'n_katu', 'n300', 'n100', 'n50', 'n_misses', \n\
-                        'acc', 'combo', 'passed_objects', 'clock_rate', or 'difficulty'"
-                    );
-
-                    return Err(KwargsError::new_err(err));
-                }
-            }
-        }
-
-        Ok(this)
-    }
-
-    fn set_mods(&mut self, mods: u32) {
-        self.mods = Some(mods);
-    }
-
-    fn set_acc(&mut self, acc: f64) {
-        self.acc = Some(acc);
-    }
-
-    fn set_n_geki(&mut self, n_geki: usize) {
-        self.n_geki = Some(n_geki);
-    }
-
-    fn set_n_katu(&mut self, n_katu: usize) {
-        self.n_katu = Some(n_katu);
-    }
-
-    fn set_n300(&mut self, n300: usize) {
-        self.n300 = Some(n300);
-    }
-
-    fn set_n100(&mut self, n100: usize) {
-        self.n100 = Some(n100);
-    }
-
-    fn set_n50(&mut self, n50: usize) {
-        self.n50 = Some(n50);
-    }
-
-    fn set_n_misses(&mut self, n_misses: usize) {
-        self.n_misses = Some(n_misses);
-    }
-
-    fn set_combo(&mut self, combo: usize) {
-        self.combo = Some(combo);
-    }
-
-    fn set_passed_objects(&mut self, passed_objects: usize) {
-        self.passed_objects = Some(passed_objects);
-    }
-
-    fn set_clock_rate(&mut self, clock_rate: f64) {
-        self.clock_rate = Some(clock_rate);
-    }
-
-    fn set_difficulty(&mut self, difficulty: PyDifficultyAttributes) {
-        self.attributes = Some(difficulty.inner);
-    }
-
-    fn map_attributes(&self, map: &PyBeatmap) -> PyResult<PyBeatmapAttributes> {
-        let map = &map.inner;
-        let mut calc = map.attributes();
-
-        if let Some(mode) = self.mode {
-            calc.mode(mode);
-
-            if map.mode != mode && map.mode == GameMode::Osu {
-                calc.converted(true);
-            }
-        }
-
-        if let Some(mods) = self.mods {
-            calc.mods(mods);
-        }
-
-        if let Some(clock_rate) = self.clock_rate {
-            calc.clock_rate(clock_rate);
-        }
-
-        Ok(PyBeatmapAttributes::new(calc.build(), map))
-    }
-
-    fn difficulty(&self, map: &PyBeatmap) -> PyResult<PyDifficultyAttributes> {
-        let mut calc = AnyStars::new(&map.inner);
-
-        set_calc! { calc, self:
-            mode,
-            mods,
-            passed_objects,
-            clock_rate,
-        };
-
-        Ok(calc.calculate().into())
-    }
-
-    fn performance_2019(&self, map: &PyBeatmap) -> PyResult<PyPerformanceAttributes> {
-        let mut calc = OsuPP::new(&map.inner);
-
-        set_calc! { calc, self:
-            mods,
-            combo,
-            n300,
-            n100,
-            n50,
-            passed_objects,
-        };
-
-        if let Some(n_misses) = self.n_misses {
-            calc = calc.misses(n_misses);
-        }
-
-        if let Some(acc) = self.acc {
-            calc = calc.accuracy(acc as f32);
-        }
-
-        let attrs = calc.calculate();
-
-        let new_attrs = OsuPerformanceAttributes {
-            difficulty: OsuDifficultyAttributes {
-                aim: attrs.difficulty.aim_strain,
-                speed: attrs.difficulty.speed_strain,
-                flashlight: 0.0,
-                slider_factor: 0.0,
-                speed_note_count: 0.0,
-                ar: attrs.difficulty.ar,
-                od: attrs.difficulty.od,
-                hp: attrs.difficulty.hp,
-                n_circles: attrs.difficulty.n_circles,
-                n_sliders: attrs.difficulty.n_sliders,
-                n_spinners: attrs.difficulty.n_spinners,
-                stars: attrs.difficulty.stars,
-                max_combo: attrs.difficulty.max_combo,
-            },
-            pp: attrs.pp,
-            pp_acc: attrs.pp_acc,
-            pp_aim: attrs.pp_aim,
-            pp_flashlight: attrs.pp_flashlight,
-            pp_speed: attrs.pp_speed,
-            effective_miss_count: attrs.effective_miss_count,
-        };
-
-        Ok(PerformanceAttributes::Osu(new_attrs).into())
-    }
-
-    fn performance(&self, map: &PyBeatmap) -> PyResult<PyPerformanceAttributes> {
-        // criteria:
-        // - is relax
-        // - is osu!standard
-        //   or mode is not specified and map is osu!standard, as that will be the inferred mode
-        if (self.mods.is_some() && self.mods.unwrap().rx())
-            && ((self.mode.is_none() && map.inner.mode == GameMode::Osu)
-                || self.mode == Some(GameMode::Osu))
-        {
-            return self.performance_2019(map);
-        }
-
-        let mut calc = AnyPP::new(&map.inner);
-
-        set_calc! { calc, self:
-            mode,
-            mods,
-            n_geki,
-            n_katu,
-            n300,
-            n100,
-            n50,
-            n_misses,
-            combo,
-            passed_objects,
-            clock_rate,
-        };
-
-        if let Some(ref attrs) = self.attributes {
-            calc = calc.attributes(attrs.to_owned());
-        }
-
-        if let Some(acc) = self.acc {
-            calc = calc.accuracy(acc);
-        }
-
-        Ok(calc.calculate().into())
-    }
-
-    fn strains(&self, map: &PyBeatmap) -> PyResult<PyStrains> {
-        let mut calc = AnyStars::new(&map.inner);
-
-        set_calc! { calc, self:
-            mode,
-            mods,
-            passed_objects,
-            clock_rate,
-        };
-
-        Ok(calc.strains().into())
-    }
-}
@@ -1,233 +0,0 @@
-use std::fmt::{Debug, Display, Formatter, Result as FmtResult};
-
-use pyo3::{pyclass, pymethods};
-use akatsuki_pp::{
-    catch::CatchDifficultyAttributes, mania::ManiaDifficultyAttributes,
-    osu::OsuDifficultyAttributes, taiko::TaikoDifficultyAttributes, DifficultyAttributes,
-};
-
-#[pyclass(name = "DifficultyAttributes")]
-#[derive(Clone, Debug)]
-pub struct PyDifficultyAttributes {
-    pub(crate) inner: DifficultyAttributes,
-}
-
-impl From<DifficultyAttributes> for PyDifficultyAttributes {
-    #[inline]
-    fn from(attrs: DifficultyAttributes) -> Self {
-        Self { inner: attrs }
-    }
-}
-
-impl Display for PyDifficultyAttributes {
-    #[inline]
-    fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult {
-        let borrowed = BorrowedDifficultyAttributes::from(&self.inner);
-
-        Debug::fmt(&borrowed, f)
-    }
-}
-
-pub(crate) enum BorrowedDifficultyAttributes<'a> {
-    Osu(&'a OsuDifficultyAttributes),
-    Taiko(&'a TaikoDifficultyAttributes),
-    Catch(&'a CatchDifficultyAttributes),
-    Mania(&'a ManiaDifficultyAttributes),
-}
-
-macro_rules! impl_from {
-    ( $( $mode:ident: $attrs:ident, )* ) => {
-        $(
-            impl<'a> From<&'a $attrs> for BorrowedDifficultyAttributes<'a> {
-                #[inline]
-                fn from(attrs: &'a $attrs) -> Self {
-                    Self::$mode(attrs)
-                }
-            }
-        )*
-
-        impl<'a> From<&'a DifficultyAttributes> for BorrowedDifficultyAttributes<'a> {
-            #[inline]
-            fn from(attrs: &'a DifficultyAttributes) -> Self {
-                match attrs {
-                    $( DifficultyAttributes::$mode(attrs) => Self::$mode(attrs), )*
-                }
-            }
-        }
-    };
-}
-
-impl_from! {
-    Osu: OsuDifficultyAttributes,
-    Taiko: TaikoDifficultyAttributes,
-    Catch: CatchDifficultyAttributes,
-    Mania: ManiaDifficultyAttributes,
-}
-
-impl Debug for BorrowedDifficultyAttributes<'_> {
-    #[inline]
-    fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult {
-        let mut debug = f.debug_struct("DifficultyAttributes");
-
-        macro_rules! debug {
-            ( $( $field:ident $( , )? )* ) => {
-                debug $( .field(stringify!($field), $field) )*;
-            }
-        }
-
-        match self {
-            Self::Osu(attrs) => {
-                let OsuDifficultyAttributes {
-                    aim,
-                    speed,
-                    flashlight,
-                    slider_factor,
-                    speed_note_count,
-                    ar,
-                    od,
-                    hp,
-                    n_circles,
-                    n_sliders,
-                    n_spinners,
-                    stars,
-                    max_combo,
-                } = attrs;
-
-                debug.field("mode", &0_u8);
-
-                debug! {
-                    aim,
-                    speed,
-                    flashlight,
-                    slider_factor,
-                    speed_note_count,
-                    ar,
-                    od,
-                    hp,
-                    n_circles,
-                    n_sliders,
-                    n_spinners,
-                    stars,
-                    max_combo,
-                }
-            }
-            Self::Taiko(attrs) => {
-                let TaikoDifficultyAttributes {
-                    stamina,
-                    rhythm,
-                    colour,
-                    peak,
-                    hit_window,
-                    stars,
-                    max_combo,
-                } = attrs;
-
-                debug.field("mode", &1_u8).field("color", colour);
-                debug!(stamina, rhythm, peak, hit_window, stars, max_combo);
-            }
-            Self::Catch(attrs) => {
-                let max_combo = attrs.max_combo();
-
-                let CatchDifficultyAttributes {
-                    stars,
-                    ar,
-                    n_fruits,
-                    n_droplets,
-                    n_tiny_droplets,
-                } = attrs;
-
-                debug.field("mode", &2_u8);
-                debug!(stars, ar, n_fruits, n_droplets, n_tiny_droplets);
-                debug.field("max_combo", &max_combo);
-            }
-            Self::Mania(attrs) => {
-                let ManiaDifficultyAttributes {
-                    stars,
-                    hit_window,
-                    max_combo,
-                } = attrs;
-
-                debug.field("mode", &3_u8);
-                debug!(stars, hit_window, max_combo);
-            }
-        }
-
-        debug.finish()
-    }
-}
-
-macro_rules! getters {
-    (
-        $(
-            $field:ident as $ty:ty: ( $( $mode:ident ),* ),
-        )*
-    ) => {
-        #[pymethods]
-        impl PyDifficultyAttributes {
-            #[getter]
-            fn mode(&self) -> u8 {
-                match self.inner {
-                    DifficultyAttributes::Osu(_) => 0,
-                    DifficultyAttributes::Taiko(_) => 1,
-                    DifficultyAttributes::Catch(_) => 2,
-                    DifficultyAttributes::Mania(_) => 3,
-                }
-            }
-
-            #[getter]
-            fn max_combo(&self) -> usize {
-                match &self.inner {
-                    DifficultyAttributes::Osu(attrs) => attrs.max_combo,
-                    DifficultyAttributes::Taiko(attrs) => attrs.max_combo,
-                    DifficultyAttributes::Catch(attrs) => attrs.max_combo(),
-                    DifficultyAttributes::Mania(attrs) => attrs.max_combo,
-                }
-            }
-
-            #[getter]
-            fn color(&self) -> Option<f64> {
-                if let DifficultyAttributes::Taiko(ref attrs) = self.inner {
-                    Some(attrs.colour)
-                } else {
-                    None
-                }
-            }
-
-            fn __repr__(&self) -> String {
-                self.to_string()
-            }
-
-            $(
-                #[getter]
-                fn $field(&self) -> Option<$ty> {
-                    match &self.inner {
-                        $( DifficultyAttributes::$mode(attrs) => Some(attrs.$field), )*
-                        #[allow(unreachable_patterns)]
-                        _ => None,
-                    }
-                }
-            )*
-        }
-    };
-}
-
-getters! {
-    stars as f64: (Osu, Taiko, Catch, Mania),
-    aim as f64: (Osu),
-    speed as f64: (Osu),
-    flashlight as f64: (Osu),
-    slider_factor as f64: (Osu),
-    speed_note_count as f64: (Osu),
-    od as f64: (Osu),
-    n_circles as usize: (Osu),
-    n_sliders as usize: (Osu),
-    n_spinners as usize: (Osu),
-    stamina as f64: (Taiko),
-    rhythm as f64: (Taiko),
-    peak as f64: (Taiko),
-    n_fruits as usize: (Catch),
-    n_droplets as usize: (Catch),
-    n_tiny_droplets as usize: (Catch),
-    ar as f64: (Osu, Catch),
-    hit_window as f64: (Taiko, Mania),
-}
@@ -0,0 +1,268 @@
+use pyo3::{
+    exceptions::PyTypeError,
+    pyclass, pymethods,
+    types::{PyAnyMethods, PyDict},
+    Bound, PyResult,
+};
+use rosu_pp::Difficulty;
+
+use crate::{
+    attributes::difficulty::PyDifficultyAttributes,
+    beatmap::PyBeatmap,
+    error::ArgsError,
+    gradual::{difficulty::PyGradualDifficulty, performance::PyGradualPerformance},
+    mods::PyGameMods,
+    performance::PyPerformance,
+    strains::PyStrains,
+};
+
+#[pyclass(name = "Difficulty")]
+#[derive(Default)]
+pub struct PyDifficulty {
+    pub(crate) mods: PyGameMods,
+    pub(crate) clock_rate: Option<f64>,
+    pub(crate) ar: Option<f32>,
+    pub(crate) ar_with_mods: bool,
+    pub(crate) cs: Option<f32>,
+    pub(crate) cs_with_mods: bool,
+    pub(crate) hp: Option<f32>,
+    pub(crate) hp_with_mods: bool,
+    pub(crate) od: Option<f32>,
+    pub(crate) od_with_mods: bool,
+    pub(crate) passed_objects: Option<u32>,
+    pub(crate) hardrock_offsets: Option<bool>,
+}
+
+#[pymethods]
+impl PyDifficulty {
+    #[new]
+    #[pyo3(signature = (**kwargs))]
+    fn new(kwargs: Option<&Bound<'_, PyDict>>) -> PyResult<Self> {
+        let mut this = Self::default();
+
+        let Some(kwargs) = kwargs else {
+            return Ok(this);
+        };
+
+        for (key, value) in kwargs {
+            match key.extract()? {
+                "mods" => {
+                    this.mods = value
+                        .extract()
+                        .map_err(|_| PyTypeError::new_err("kwarg 'mods': must be GameMods"))?
+                }
+                "clock_rate" => {
+                    this.clock_rate =
+                        Some(value.extract().map_err(|_| {
+                            PyTypeError::new_err("kwarg 'clock_rate': must be a float")
+                        })?)
+                }
+                "ar" => {
+                    this.ar = Some(
+                        value
+                            .extract()
+                            .map_err(|_| PyTypeError::new_err("kwarg 'ar': must be a float"))?,
+                    )
+                }
+                "ar_with_mods" => {
+                    this.ar_with_mods = value
+                        .extract()
+                        .map_err(|_| PyTypeError::new_err("kwarg 'ar_with_mods': must be a bool"))?
+                }
+                "cs" => {
+                    this.cs = Some(
+                        value
+                            .extract()
+                            .map_err(|_| PyTypeError::new_err("kwarg 'cs': must be a float"))?,
+                    )
+                }
+                "cs_with_mods" => {
+                    this.cs_with_mods = value
+                        .extract()
+                        .map_err(|_| PyTypeError::new_err("kwarg 'cs_with_mods': must be a bool"))?
+                }
+                "hp" => {
+                    this.hp = Some(
+                        value
+                            .extract()
+                            .map_err(|_| PyTypeError::new_err("kwarg 'hp': must be a float"))?,
+                    )
+                }
+                "hp_with_mods" => {
+                    this.hp_with_mods = value
+                        .extract()
+                        .map_err(|_| PyTypeError::new_err("kwarg 'hp_with_mods': must be a bool"))?
+                }
+                "od" => {
+                    this.od = Some(
+                        value
+                            .extract()
+                            .map_err(|_| PyTypeError::new_err("kwarg 'od': must be a float"))?,
+                    )
+                }
+                "od_with_mods" => {
+                    this.od_with_mods = value
+                        .extract()
+                        .map_err(|_| PyTypeError::new_err("kwarg 'od_with_mods': must be a bool"))?
+                }
+                "passed_objects" => {
+                    this.passed_objects = Some(value.extract().map_err(|_| {
+                        PyTypeError::new_err("kwarg 'passed_objects': must be an int")
+                    })?)
+                }
+                "hardrock_offsets" => {
+                    this.hardrock_offsets = Some(value.extract().map_err(|_| {
+                        PyTypeError::new_err("kwarg 'hardrock_offsets': must be a bool")
+                    })?)
+                }
+                kwarg => {
+                    let err = format!(
+                        "unexpected kwarg '{kwarg}': expected 'mods', \n\
+                        'clock_rate', 'ar', 'ar_with_mods', 'cs', 'cs_with_mods', \n\
+                        'hp', 'hp_with_mods', 'od', 'od_with_mods', \n\
+                        'passed_objects', or 'hardrock_offsets'"
+                    );
+
+                    return Err(ArgsError::new_err(err));
+                }
+            }
+        }
+
+        Ok(this)
+    }
+
+    fn calculate(&self, map: &PyBeatmap) -> PyDifficultyAttributes {
+        self.as_difficulty().calculate(&map.inner).into()
+    }
+
+    fn strains(&self, map: &PyBeatmap) -> PyStrains {
+        self.as_difficulty().strains(&map.inner).into()
+    }
+
+    fn performance(&self) -> PyPerformance {
+        let Self {
+            mods,
+            clock_rate,
+            ar,
+            ar_with_mods,
+            cs,
+            cs_with_mods,
+            hp,
+            hp_with_mods,
+            od,
+            od_with_mods,
+            passed_objects,
+            hardrock_offsets,
+        } = self;
+
+        PyPerformance {
+            mods: mods.clone(),
+            clock_rate: *clock_rate,
+            ar: *ar,
+            ar_with_mods: *ar_with_mods,
+            cs: *cs,
+            cs_with_mods: *cs_with_mods,
+            hp: *hp,
+            hp_with_mods: *hp_with_mods,
+            od: *od,
+            od_with_mods: *od_with_mods,
+            passed_objects: *passed_objects,
+            hardrock_offsets: *hardrock_offsets,
+            ..PyPerformance::default()
+        }
+    }
+
+    fn gradual_difficulty(&self, map: &PyBeatmap) -> PyGradualDifficulty {
+        PyGradualDifficulty::new(self, map)
+    }
+
+    fn gradual_performance(&self, map: &PyBeatmap) -> PyGradualPerformance {
+        PyGradualPerformance::new(self, map)
+    }
+
+    #[pyo3(signature = (mods=None))]
+    fn set_mods(&mut self, mods: Option<PyGameMods>) {
+        self.mods = mods.unwrap_or_default();
+    }
+
+    #[pyo3(signature = (clock_rate=None))]
+    fn set_clock_rate(&mut self, clock_rate: Option<f64>) {
+        self.clock_rate = clock_rate;
+    }
+
+    #[pyo3(signature = (ar, ar_with_mods))]
+    fn set_ar(&mut self, ar: Option<f32>, ar_with_mods: bool) {
+        self.ar = ar;
+        self.ar_with_mods = ar_with_mods;
+    }
+
+    #[pyo3(signature = (cs, cs_with_mods))]
+    fn set_cs(&mut self, cs: Option<f32>, cs_with_mods: bool) {
+        self.cs = cs;
+        self.cs_with_mods = cs_with_mods;
+    }
+
+    #[pyo3(signature = (hp, hp_with_mods))]
+    fn set_hp(&mut self, hp: Option<f32>, hp_with_mods: bool) {
+        self.hp = hp;
+        self.hp_with_mods = hp_with_mods;
+    }
+
+    #[pyo3(signature = (od, od_with_mods))]
+    fn set_od(&mut self, od: Option<f32>, od_with_mods: bool) {
+        self.od = od;
+        self.od_with_mods = od_with_mods;
+    }
+
+    #[pyo3(signature = (passed_objects=None))]
+    fn set_passed_objects(&mut self, passed_objects: Option<u32>) {
+        self.passed_objects = passed_objects;
+    }
+
+    #[pyo3(signature = (hardrock_offsets=None))]
+    fn set_hardrock_offsets(&mut self, hardrock_offsets: Option<bool>) {
+        self.hardrock_offsets = hardrock_offsets;
+    }
+}
+
+impl PyDifficulty {
+    pub fn as_difficulty(&self) -> Difficulty {
+        let mut difficulty = Difficulty::new();
+
+        difficulty = match self.mods {
+            PyGameMods::Lazer(ref mods) => difficulty.mods(mods.clone()),
+            PyGameMods::Intermode(ref mods) => difficulty.mods(mods),
+            PyGameMods::Legacy(mods) => difficulty.mods(mods),
+        };
+
+        if let Some(passed_objects) = self.passed_objects {
+            difficulty = difficulty.passed_objects(passed_objects);
+        }
+
+        if let Some(clock_rate) = self.clock_rate {
+            difficulty = difficulty.clock_rate(clock_rate);
+        }
+
+        if let Some(ar) = self.ar {
+            difficulty = difficulty.ar(ar, self.ar_with_mods);
+        }
+
+        if let Some(cs) = self.cs {
+            difficulty = difficulty.cs(cs, self.cs_with_mods);
+        }
+
+        if let Some(hp) = self.hp {
+            difficulty = difficulty.hp(hp, self.hp_with_mods);
+        }
+
+        if let Some(od) = self.od {
+            difficulty = difficulty.od(od, self.od_with_mods);
+        }
+
+        if let Some(hardrock_offsets) = self.hardrock_offsets {
+            difficulty = difficulty.hardrock_offsets(hardrock_offsets);
+        }
+
+        difficulty
+    }
+}
@@ -1,24 +1,5 @@
-use std::{error::Error, fmt::Write};
-
 use pyo3::{create_exception, exceptions::PyException};

-create_exception!(akatsuki_pp_py, KwargsError, PyException);
-create_exception!(akatsuki_pp_py, ParseError, PyException);
-
-pub trait ErrorExt {
-    fn unwind(&self, cause: &str) -> String;
-}
-
-impl<T: Error> ErrorExt for T {
-    fn unwind(&self, cause: &str) -> String {
-        let mut e = self as &dyn Error;
-        let mut content = format!("{cause}\n  - caused by: {e}");
-
-        while let Some(src) = e.source() {
-            let _ = write!(content, "\n  - caused by: {src}");
-            e = src;
-        }
-
-        content
-    }
-}
+create_exception!(rosu_pp_py, ArgsError, PyException);
+create_exception!(rosu_pp_py, ParseError, PyException);
+create_exception!(rosu_pp_py, ConvertError, PyException);
@@ -0,0 +1,42 @@
+use pyo3::{pyclass, pymethods, PyRef};
+use rosu_pp::GradualDifficulty;
+
+use crate::{
+    attributes::difficulty::PyDifficultyAttributes, beatmap::PyBeatmap, difficulty::PyDifficulty,
+};
+
+#[pyclass(name = "GradualDifficulty")]
+pub struct PyGradualDifficulty {
+    inner: GradualDifficulty,
+}
+
+#[pymethods]
+impl PyGradualDifficulty {
+    #[new]
+    pub fn new(difficulty: &PyDifficulty, map: &PyBeatmap) -> Self {
+        Self {
+            inner: GradualDifficulty::new(difficulty.as_difficulty(), &map.inner),
+        }
+    }
+
+    fn next(&mut self) -> Option<PyDifficultyAttributes> {
+        self.inner.next().map(From::from)
+    }
+
+    fn nth(&mut self, n: usize) -> Option<PyDifficultyAttributes> {
+        self.inner.nth(n).map(From::from)
+    }
+
+    #[getter]
+    fn n_remaining(&self) -> usize {
+        self.inner.len()
+    }
+
+    fn __iter__(this: PyRef<'_, Self>) -> PyRef<'_, Self> {
+        this
+    }
+
+    fn __next__(&mut self) -> Option<PyDifficultyAttributes> {
+        self.next()
+    }
+}
@@ -0,0 +1,2 @@
+pub mod difficulty;
+pub mod performance;
@@ -0,0 +1,35 @@
+use pyo3::{pyclass, pymethods};
+use rosu_pp::GradualPerformance;
+
+use crate::{
+    attributes::performance::PyPerformanceAttributes, beatmap::PyBeatmap, difficulty::PyDifficulty,
+    score_state::PyScoreState,
+};
+
+#[pyclass(name = "GradualPerformance")]
+pub struct PyGradualPerformance {
+    inner: GradualPerformance,
+}
+
+#[pymethods]
+impl PyGradualPerformance {
+    #[new]
+    pub fn new(difficulty: &PyDifficulty, map: &PyBeatmap) -> Self {
+        Self {
+            inner: GradualPerformance::new(difficulty.as_difficulty(), &map.inner),
+        }
+    }
+
+    fn next(&mut self, state: &PyScoreState) -> Option<PyPerformanceAttributes> {
+        self.inner.next(state.into()).map(From::from)
+    }
+
+    fn nth(&mut self, state: &PyScoreState, n: usize) -> Option<PyPerformanceAttributes> {
+        self.inner.nth(state.into(), n).map(From::from)
+    }
+
+    #[getter]
+    fn n_remaining(&self) -> usize {
+        self.inner.len()
+    }
+}
@@ -1,37 +1,59 @@
-#![deny(clippy::all, nonstandard_style, rust_2018_idioms, unused, warnings)]
+use error::ConvertError;
+use performance::PyHitResultPriority;
+use pyo3::prelude::PyModuleMethods;
+use pyo3::{pymodule, types::PyModule, Bound, PyResult, Python};

 use self::{
+    attributes::{
+        beatmap::{PyBeatmapAttributes, PyBeatmapAttributesBuilder},
+        difficulty::PyDifficultyAttributes,
+        performance::PyPerformanceAttributes,
+    },
    beatmap::PyBeatmap,
-    calculator::PyCalculator,
-    diff_attrs::PyDifficultyAttributes,
-    error::{KwargsError, ParseError},
-    map_attrs::PyBeatmapAttributes,
-    perf_attrs::PyPerformanceAttributes,
+    difficulty::PyDifficulty,
+    error::{ArgsError, ParseError},
+    gradual::{difficulty::PyGradualDifficulty, performance::PyGradualPerformance},
+    mode::PyGameMode,
+    performance::PyPerformance,
+    score_state::PyScoreState,
+    strains::PyStrains,
 };

-use pyo3::{pymodule, types::PyModule, PyResult, Python};
-use strains::PyStrains;
+#[macro_use]
+mod macros;

+mod attributes;
 mod beatmap;
-mod calculator;
-mod diff_attrs;
+mod difficulty;
 mod error;
-mod map_attrs;
-mod perf_attrs;
+mod gradual;
+mod mode;
+mod mods;
+mod performance;
+mod score_state;
 mod strains;

 #[pymodule]
-fn akatsuki_pp_py(py: Python<'_>, m: &PyModule) -> PyResult<()> {
+fn rosu_pp_py(py: Python<'_>, m: &Bound<'_, PyModule>) -> PyResult<()> {
    m.add_class::<PyBeatmap>()?;
-    m.add_class::<PyCalculator>()?;
+    m.add_class::<PyDifficulty>()?;
+    m.add_class::<PyPerformance>()?;
+    m.add_class::<PyGradualDifficulty>()?;
+    m.add_class::<PyGradualPerformance>()?;
+    m.add_class::<PyBeatmapAttributesBuilder>()?;
+
+    m.add_class::<PyGameMode>()?;
+    m.add_class::<PyScoreState>()?;
+    m.add_class::<PyHitResultPriority>()?;

    m.add_class::<PyBeatmapAttributes>()?;
    m.add_class::<PyDifficultyAttributes>()?;
    m.add_class::<PyPerformanceAttributes>()?;
    m.add_class::<PyStrains>()?;

-    m.add("ParseError", py.get_type::<ParseError>())?;
-    m.add("KwargsError", py.get_type::<KwargsError>())?;
+    m.add("ParseError", py.get_type_bound::<ParseError>())?;
+    m.add("ArgsError", py.get_type_bound::<ArgsError>())?;
+    m.add("ConvertError", py.get_type_bound::<ConvertError>())?;

    Ok(())
 }
@@ -0,0 +1,78 @@
+pub struct BoolFormatter(pub bool);
+
+impl std::fmt::Debug for BoolFormatter {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.write_str(if self.0 { "True" } else { "False" })
+    }
+}
+
+macro_rules! define_class {
+    (
+        #[pyclass(name = $py_name:literal $(, $py_meta:meta)* )]
+        $( #[ $struct_meta:meta ] )*
+        $struct_vis:vis struct $name:ident {
+            $( $field_vis:vis $field:ident: $ty:ident $ty_type:tt , )*
+        }
+    ) => {
+        #[pyclass(name = $py_name $(, $py_meta )* )]
+        $( #[ $struct_meta ] )*
+        $struct_vis struct $name {
+            $(
+                #[pyo3(get)]
+                $field_vis $field: define_class!(@EXPAND_TY $ty $ty_type),
+            )*
+        }
+
+        impl ::std::fmt::Debug for $name {
+            fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
+                let mut debug = f.debug_struct($py_name);
+
+                macro_rules! debug_field {
+                    ( $inner_field:ident: $field_ty:ident ? ) => {
+                        if let Some(ref $inner_field) = self.$inner_field {
+                            debug.field(stringify!($inner_field), debug_field!(@VALUE $field_ty: $inner_field));
+                        }
+                    };
+
+                    ( $inner_field:ident: $field_ty:ident ! ) => {
+                        let field = &self.$inner_field;
+                        debug.field(stringify!($inner_field), debug_field!(@VALUE $field_ty: field));
+                    };
+
+                    ( @VALUE bool: $value:tt ) => {
+                        &crate::macros::BoolFormatter( *$value )
+                    };
+
+                    ( @VALUE $field_ty:ident: $value:tt ) => {
+                        &$value
+                    };
+                }
+
+                $( debug_field!($field: $ty $ty_type); )*
+
+                debug.finish()
+            }
+        }
+
+        impl ::std::fmt::Display for $name {
+            fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
+                ::std::fmt::Debug::fmt(self, f)
+            }
+        }
+
+        #[pyo3::pymethods]
+        impl $name {
+            fn __repr__(&self) -> String {
+                self.to_string()
+            }
+        }
+    };
+
+    ( @EXPAND_TY $ty:ident ! ) => {
+        $ty
+    };
+
+    ( @EXPAND_TY $ty:ident ? ) => {
+        Option<$ty>
+    };
+}
@@ -1,106 +0,0 @@
-use std::fmt::{Display, Formatter, Result as FmtResult};
-
-use pyo3::{pyclass, pymethods};
-use akatsuki_pp::{beatmap::BeatmapAttributes, Beatmap};
-
-#[pyclass(name = "BeatmapAttributes")]
-pub struct PyBeatmapAttributes {
-    #[pyo3(get)]
-    ar: f64,
-    #[pyo3(get)]
-    cs: f64,
-    #[pyo3(get)]
-    hp: f64,
-    #[pyo3(get)]
-    od: f64,
-    #[pyo3(get)]
-    ar_hit_window: f64,
-    #[pyo3(get)]
-    od_hit_window: f64,
-    #[pyo3(get)]
-    clock_rate: f64,
-    #[pyo3(get)]
-    bpm: f64,
-    #[pyo3(get)]
-    mode: u8,
-    #[pyo3(get)]
-    version: u8,
-    #[pyo3(get)]
-    n_circles: u32,
-    #[pyo3(get)]
-    n_sliders: u32,
-    #[pyo3(get)]
-    n_spinners: u32,
-}
-
-impl PyBeatmapAttributes {
-    pub fn new(attrs: BeatmapAttributes, map: &Beatmap) -> Self {
-        Self {
-            ar: attrs.ar,
-            cs: attrs.cs,
-            hp: attrs.hp,
-            od: attrs.od,
-            ar_hit_window: attrs.hit_windows.ar,
-            od_hit_window: attrs.hit_windows.od,
-            clock_rate: attrs.clock_rate,
-            bpm: map.bpm() * attrs.clock_rate,
-            mode: map.mode as u8,
-            version: map.version,
-            n_circles: map.n_circles,
-            n_sliders: map.n_sliders,
-            n_spinners: map.n_spinners,
-        }
-    }
-}
-
-impl Display for PyBeatmapAttributes {
-    #[inline]
-    fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult {
-        let Self {
-            ar,
-            cs,
-            hp,
-            od,
-            ar_hit_window,
-            od_hit_window,
-            clock_rate,
-            bpm,
-            mode,
-            version,
-            n_circles,
-            n_sliders,
-            n_spinners,
-        } = self;
-
-        macro_rules! debug {
-            ( $( $field:ident ,)* ) => {
-                f.debug_struct("BeatmapAttributes")
-                    $( .field(stringify!($field), $field) )*
-                    .finish()
-            };
-        }
-
-        debug! {
-            ar,
-            cs,
-            hp,
-            od,
-            ar_hit_window,
-            od_hit_window,
-            clock_rate,
-            bpm,
-            mode,
-            version,
-            n_circles,
-            n_sliders,
-            n_spinners,
-        }
-    }
-}
-
-#[pymethods]
-impl PyBeatmapAttributes {
-    fn __repr__(&self) -> String {
-        self.to_string()
-    }
-}
@@ -0,0 +1,42 @@
+use std::fmt::{Debug, Formatter, Result as FmtResult};
+
+use pyo3::pyclass;
+use rosu_pp::model::mode::GameMode;
+
+#[pyclass(eq, eq_int, name = "GameMode")]
+#[derive(Copy, Clone, Default, PartialEq)]
+pub enum PyGameMode {
+    #[default]
+    Osu,
+    Taiko,
+    Catch,
+    Mania,
+}
+
+impl Debug for PyGameMode {
+    fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult {
+        f.write_str(self.__pyo3__repr__())
+    }
+}
+
+impl From<PyGameMode> for GameMode {
+    fn from(mode: PyGameMode) -> Self {
+        match mode {
+            PyGameMode::Osu => Self::Osu,
+            PyGameMode::Taiko => Self::Taiko,
+            PyGameMode::Catch => Self::Catch,
+            PyGameMode::Mania => Self::Mania,
+        }
+    }
+}
+
+impl From<GameMode> for PyGameMode {
+    fn from(mode: GameMode) -> Self {
+        match mode {
+            GameMode::Osu => Self::Osu,
+            GameMode::Taiko => Self::Taiko,
+            GameMode::Catch => Self::Catch,
+            GameMode::Mania => Self::Mania,
+        }
+    }
+}
@@ -0,0 +1,731 @@
+use std::{
+    error::Error as StdError,
+    fmt::{Display, Formatter, Result as FmtResult},
+    ops::Deref,
+};
+
+use pyo3::{
+    impl_::frompyobject::{
+        extract_struct_field, extract_tuple_struct_field, failed_to_extract_enum,
+    },
+    intern,
+    types::{
+        iter::BoundDictIterator, PyAnyMethods, PyDict, PyDictMethods, PyList, PyString,
+        PyStringMethods,
+    },
+    Bound, FromPyObject, PyAny, PyResult,
+};
+use rosu_mods::{serde::GameModSeed, GameMods as GameModsLazer, GameModsIntermode, GameModsLegacy};
+use serde::de::{
+    value::{BorrowedStrDeserializer, CowStrDeserializer, MapAccessDeserializer, U32Deserializer},
+    DeserializeSeed, Deserializer, Error as DeError, MapAccess, Unexpected, Visitor,
+};
+
+use crate::error::ParseError;
+
+#[derive(Clone)]
+pub enum PyGameMods {
+    Lazer(GameModsLazer),
+    Intermode(GameModsIntermode),
+    Legacy(GameModsLegacy),
+}
+
+impl Default for PyGameMods {
+    fn default() -> Self {
+        Self::Legacy(GameModsLegacy::NoMod)
+    }
+}
+
+impl<'py> FromPyObject<'py> for PyGameMods {
+    fn extract_bound(obj: &Bound<'py, PyAny>) -> PyResult<Self> {
+        let errors = [
+            match extract_tuple_struct_field(obj, "PyInt", 0) {
+                Ok(bits) => return Ok(Self::Legacy(GameModsLegacy::from_bits(bits))),
+                Err(err) => err,
+            },
+            match extract_tuple_struct_field::<Bound<'py, PyString>>(obj, "PyString", 0) {
+                Ok(acronyms) => match acronyms.to_str() {
+                    Ok(acronyms) => {
+                        let intermode = GameModsIntermode::from_acronyms(acronyms);
+
+                        let mods = match intermode.checked_bits() {
+                            Some(bits) => Self::Legacy(GameModsLegacy::from_bits(bits)),
+                            None => Self::Intermode(intermode),
+                        };
+
+                        return Ok(mods);
+                    }
+                    Err(err) => err,
+                },
+                Err(err) => err,
+            },
+            match extract_tuple_struct_field::<PyGameMod<'py>>(obj, "PyGameMod", 0) {
+                Ok(gamemod) => match GameModSeed::GuessMode.deserialize(gamemod) {
+                    Ok(gamemod) => return Ok(Self::Lazer(gamemod.into())),
+                    Err(DeserializeError(err)) => ParseError::new_err(err),
+                },
+                Err(err) => err,
+            },
+            match extract_tuple_struct_field::<Bound<'py, PyList>>(obj, "PyList", 0) {
+                Ok(list) => {
+                    let seed = GameModSeed::GuessMode;
+
+                    let res = list
+                        .iter()?
+                        .try_fold(GameModsLazer::new(), |mut mods, item| {
+                            let res = match item?.extract::<PyGameModUnion<'_>>()? {
+                                PyGameModUnion::Mod(gamemod) => seed.deserialize(gamemod),
+                                PyGameModUnion::Acronym(acronym) => seed.deserialize(
+                                    CowStrDeserializer::new(acronym.to_string_lossy()),
+                                ),
+                                PyGameModUnion::Bits(bits) => {
+                                    seed.deserialize(U32Deserializer::new(bits))
+                                }
+                            };
+
+                            match res {
+                                Ok(gamemod) => mods.insert(gamemod),
+                                Err(DeserializeError(err)) => return Err(ParseError::new_err(err)),
+                            }
+
+                            Ok(mods)
+                        });
+
+                    match res {
+                        Ok(mods) => return Ok(Self::Lazer(mods)),
+                        Err(err) => err,
+                    }
+                }
+                Err(err) => err,
+            },
+        ];
+
+        Err(failed_to_extract_enum(
+            obj.py(),
+            "PyGameMods",
+            &["Legacy", "Intermode", "GameMods", "GameMods"],
+            &["int", "str", "GameMod", "List[GameMod | str | int]"],
+            &errors,
+        ))
+    }
+}
+
+struct PyGameMod<'py> {
+    acronym: Bound<'py, PyString>,
+    settings: Option<Bound<'py, PyDict>>,
+}
+
+impl<'py> FromPyObject<'py> for PyGameMod<'py> {
+    fn extract_bound(obj: &Bound<'py, PyAny>) -> PyResult<Self> {
+        let py = obj.py();
+        let dict: Bound<'_, PyDict> = obj.extract()?;
+
+        // Force a `KeyError` if `acronym` is missing
+        let acronym = PyAnyMethods::get_item(dict.deref(), intern!(py, "acronym"))?;
+        let settings = dict.get_item(intern!(py, "settings"))?;
+
+        Ok(PyGameMod {
+            acronym: extract_struct_field(&acronym, "PyGameMod", "acronym")?,
+            settings: settings.as_ref().map(PyAnyMethods::extract).transpose()?,
+        })
+    }
+}
+
+#[derive(FromPyObject)]
+enum PyGameModUnion<'py> {
+    Mod(PyGameMod<'py>),
+    Acronym(Bound<'py, PyString>),
+    Bits(u32),
+}
+
+#[derive(Debug)]
+struct DeserializeError(String);
+
+impl DeError for DeserializeError {
+    fn custom<T: Display>(msg: T) -> Self {
+        Self(msg.to_string())
+    }
+}
+
+impl Display for DeserializeError {
+    fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult {
+        f.write_str(&self.0)
+    }
+}
+
+impl StdError for DeserializeError {}
+
+impl<'de> Deserializer<'de> for PyGameMod<'de> {
+    type Error = DeserializeError;
+
+    fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        self.deserialize_map(visitor)
+    }
+
+    fn deserialize_bool<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_i8<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_i16<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_i32<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_i64<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_u8<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_u16<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_u32<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_u64<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_f32<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_f64<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_char<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_str<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_string<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_bytes<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_byte_buf<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_option<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_unit<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_unit_struct<V>(self, _: &'static str, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_newtype_struct<V>(self, _: &'static str, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_seq<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_tuple<V>(self, _: usize, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_tuple_struct<V>(
+        self,
+        _: &'static str,
+        _: usize,
+        _: V,
+    ) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_map<V>(self, visitor: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        visitor.visit_map(PyGameModMap::Full(self))
+    }
+
+    fn deserialize_struct<V>(
+        self,
+        _: &'static str,
+        _: &'static [&'static str],
+        _: V,
+    ) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_enum<V>(
+        self,
+        _: &'static str,
+        _: &'static [&'static str],
+        _: V,
+    ) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_identifier<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_ignored_any<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+}
+
+enum PyGameModMap<'py> {
+    Full(PyGameMod<'py>),
+    Settings(Bound<'py, PyDict>),
+    Done,
+}
+
+impl<'de> MapAccess<'de> for PyGameModMap<'de> {
+    type Error = DeserializeError;
+
+    fn next_key_seed<K>(&mut self, seed: K) -> Result<Option<K::Value>, Self::Error>
+    where
+        K: DeserializeSeed<'de>,
+    {
+        let key = match self {
+            PyGameModMap::Full(_) => "acronym",
+            PyGameModMap::Settings(_) => "settings",
+            PyGameModMap::Done => return Ok(None),
+        };
+
+        seed.deserialize(BorrowedStrDeserializer::new(key))
+            .map(Some)
+    }
+
+    fn next_value_seed<V>(&mut self, seed: V) -> Result<V::Value, Self::Error>
+    where
+        V: DeserializeSeed<'de>,
+    {
+        match self {
+            PyGameModMap::Full(gamemod) => {
+                let acronym = gamemod.acronym.to_string_lossy();
+                let res = seed.deserialize(CowStrDeserializer::new(acronym));
+                *self = gamemod.settings.take().map_or(Self::Done, Self::Settings);
+
+                res
+            }
+            PyGameModMap::Settings(dict) => {
+                let access = DictAccess {
+                    iter: dict.iter(),
+                    next_value: None,
+                };
+
+                let res = seed.deserialize(MapAccessDeserializer::new(access));
+                *self = Self::Done;
+
+                res
+            }
+            PyGameModMap::Done => unimplemented!(),
+        }
+    }
+}
+
+struct DictAccess<'py> {
+    iter: BoundDictIterator<'py>,
+    next_value: Option<PyValue<'py>>,
+}
+
+impl<'de> MapAccess<'de> for DictAccess<'de> {
+    type Error = DeserializeError;
+
+    fn next_key_seed<K>(&mut self, seed: K) -> Result<Option<K::Value>, Self::Error>
+    where
+        K: DeserializeSeed<'de>,
+    {
+        debug_assert!(self.next_value.is_none());
+
+        match self.iter.next() {
+            Some((key, value)) => {
+                let key: Bound<'_, PyString> = key.extract().map_err(DeError::custom)?;
+                let value: PyValue<'_> = value.extract().map_err(DeError::custom)?;
+                self.next_value = Some(value);
+
+                seed.deserialize(PyValue::String(key)).map(Some)
+            }
+            None => Ok(None),
+        }
+    }
+
+    fn next_value_seed<V>(&mut self, seed: V) -> Result<V::Value, Self::Error>
+    where
+        V: DeserializeSeed<'de>,
+    {
+        seed.deserialize(self.next_value.take().unwrap())
+    }
+
+    fn size_hint(&self) -> Option<usize> {
+        Some(self.iter.len())
+    }
+}
+
+#[derive(FromPyObject)]
+enum PyValue<'py> {
+    Bool(bool),
+    Number(f32),
+    String(Bound<'py, PyString>),
+}
+
+impl<'de> Deserializer<'de> for PyValue<'de> {
+    type Error = DeserializeError;
+
+    fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        match self {
+            PyValue::Bool(v) => visitor.visit_bool(v),
+            PyValue::Number(v) => visitor.visit_f32(v),
+            PyValue::String(v) => visitor.visit_string(v.to_string_lossy().into_owned()),
+        }
+    }
+
+    fn deserialize_bool<V>(self, visitor: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        match self {
+            Self::Bool(v) => visitor.visit_bool(v),
+            Self::Number(v) => Err(DeError::invalid_type(
+                Unexpected::Float(f64::from(v)),
+                &visitor,
+            )),
+            Self::String(v) => Err(DeError::invalid_type(
+                Unexpected::Str(v.to_string_lossy().as_ref()),
+                &visitor,
+            )),
+        }
+    }
+
+    fn deserialize_i8<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_i16<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_i32<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_i64<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_u8<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_u16<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_u32<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_u64<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_f32<V>(self, visitor: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        match self {
+            Self::Bool(v) => Err(DeError::invalid_type(Unexpected::Bool(v), &visitor)),
+            Self::Number(v) => visitor.visit_f32(v),
+            Self::String(v) => Err(DeError::invalid_type(
+                Unexpected::Str(v.to_string_lossy().as_ref()),
+                &visitor,
+            )),
+        }
+    }
+
+    fn deserialize_f64<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_char<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_str<V>(self, visitor: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        match self {
+            Self::Bool(v) => Err(DeError::invalid_type(Unexpected::Bool(v), &visitor)),
+            Self::Number(v) => Err(DeError::invalid_type(
+                Unexpected::Float(f64::from(v)),
+                &visitor,
+            )),
+            Self::String(v) => visitor.visit_str(v.to_string_lossy().as_ref()),
+        }
+    }
+
+    fn deserialize_string<V>(self, visitor: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        match self {
+            Self::Bool(v) => Err(DeError::invalid_type(Unexpected::Bool(v), &visitor)),
+            Self::Number(v) => Err(DeError::invalid_type(
+                Unexpected::Float(f64::from(v)),
+                &visitor,
+            )),
+            Self::String(v) => visitor.visit_string(v.to_string_lossy().into_owned()),
+        }
+    }
+
+    fn deserialize_bytes<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_byte_buf<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_option<V>(self, visitor: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        visitor.visit_some(self)
+    }
+
+    fn deserialize_unit<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_unit_struct<V>(self, _: &'static str, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_newtype_struct<V>(self, _: &'static str, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_seq<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_tuple<V>(self, _: usize, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_tuple_struct<V>(
+        self,
+        _: &'static str,
+        _: usize,
+        _: V,
+    ) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_map<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_struct<V>(
+        self,
+        _: &'static str,
+        _: &'static [&'static str],
+        _: V,
+    ) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_enum<V>(
+        self,
+        _: &'static str,
+        _: &'static [&'static str],
+        _: V,
+    ) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_identifier<V>(self, _: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        unimplemented!()
+    }
+
+    fn deserialize_ignored_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>
+    where
+        V: Visitor<'de>,
+    {
+        visitor.visit_unit()
+    }
+}
@@ -1,145 +0,0 @@
-use std::fmt::{Debug, Display, Formatter, Result as FmtResult};
-
-use pyo3::{pyclass, pymethods};
-use akatsuki_pp::{
-    catch::CatchPerformanceAttributes, mania::ManiaPerformanceAttributes,
-    osu::OsuPerformanceAttributes, taiko::TaikoPerformanceAttributes, PerformanceAttributes,
-};
-
-use crate::diff_attrs::{BorrowedDifficultyAttributes, PyDifficultyAttributes};
-
-#[pyclass(name = "PerformanceAttributes")]
-#[derive(Debug)]
-pub struct PyPerformanceAttributes {
-    inner: PerformanceAttributes,
-}
-
-impl From<PerformanceAttributes> for PyPerformanceAttributes {
-    #[inline]
-    fn from(attrs: PerformanceAttributes) -> Self {
-        Self { inner: attrs }
-    }
-}
-
-impl Display for PyPerformanceAttributes {
-    #[inline]
-    fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult {
-        let mut debug = f.debug_struct("PerformanceAttributes");
-
-        macro_rules! debug {
-            ( $( $field:ident $( , )? )* ) => {
-                debug $( .field(stringify!($field), $field) )*;
-            }
-        }
-
-        match &self.inner {
-            PerformanceAttributes::Osu(attrs) => {
-                let OsuPerformanceAttributes {
-                    difficulty,
-                    pp,
-                    pp_acc,
-                    pp_aim,
-                    pp_flashlight,
-                    pp_speed,
-                    effective_miss_count,
-                } = attrs;
-
-                let borrowed = BorrowedDifficultyAttributes::from(difficulty);
-                debug.field("mode", &0_u8).field("difficulty", &borrowed);
-
-                debug! {
-                    pp,
-                    pp_acc,
-                    pp_aim,
-                    pp_flashlight,
-                    pp_speed,
-                    effective_miss_count,
-                };
-            }
-            PerformanceAttributes::Taiko(attrs) => {
-                let TaikoPerformanceAttributes {
-                    difficulty,
-                    pp,
-                    pp_acc,
-                    pp_difficulty,
-                    effective_miss_count,
-                } = attrs;
-
-                let borrowed = BorrowedDifficultyAttributes::from(difficulty);
-                debug.field("mode", &1_u8).field("difficulty", &borrowed);
-                debug!(pp, pp_acc, pp_difficulty, effective_miss_count);
-            }
-            PerformanceAttributes::Catch(attrs) => {
-                let CatchPerformanceAttributes { difficulty, pp } = attrs;
-
-                let borrowed = BorrowedDifficultyAttributes::from(difficulty);
-                debug.field("mode", &2_u8).field("difficulty", &borrowed);
-                debug!(pp);
-            }
-            PerformanceAttributes::Mania(attrs) => {
-                let ManiaPerformanceAttributes {
-                    difficulty,
-                    pp,
-                    pp_difficulty,
-                } = attrs;
-
-                let borrowed = BorrowedDifficultyAttributes::from(difficulty);
-                debug.field("mode", &3_u8).field("difficulty", &borrowed);
-                debug!(pp, pp_difficulty);
-            }
-        }
-
-        debug.finish()
-    }
-}
-
-macro_rules! getters {
-    (
-        $(
-            $field:ident: ( $( $mode:ident ),* ),
-        )*
-    ) => {
-        #[pymethods]
-        impl PyPerformanceAttributes {
-            #[getter]
-            fn mode(&self) -> u8 {
-                match self.inner {
-                    PerformanceAttributes::Osu(_) => 0,
-                    PerformanceAttributes::Taiko(_) => 1,
-                    PerformanceAttributes::Catch(_) => 2,
-                    PerformanceAttributes::Mania(_) => 3,
-                }
-            }
-
-            #[getter]
-            fn difficulty(&self) -> PyDifficultyAttributes {
-                 self.inner.difficulty_attributes().into()
-            }
-
-            fn __repr__(&self) -> String {
-                self.to_string()
-            }
-
-            $(
-                #[getter]
-                fn $field(&self) -> Option<f64> {
-                    match &self.inner {
-                        $( PerformanceAttributes::$mode(attrs) => Some(attrs.$field), )*
-                        #[allow(unreachable_patterns)]
-                        _ => None,
-                    }
-                }
-            )*
-        }
-    };
-}
-
-getters! {
-    pp: (Osu, Taiko, Catch, Mania),
-    pp_aim: (Osu),
-    pp_flashlight: (Osu),
-    pp_speed: (Osu),
-    pp_acc: (Osu, Taiko),
-    effective_miss_count: (Osu, Taiko),
-    pp_difficulty: (Taiko, Mania),
-}
@@ -0,0 +1,450 @@
+use pyo3::{
+    exceptions::PyTypeError,
+    pyclass, pymethods,
+    types::{PyAnyMethods, PyDict},
+    Bound, PyAny, PyRef, PyResult,
+};
+use rosu_pp::{
+    any::{DifficultyAttributes, HitResultPriority},
+    Difficulty, Performance,
+};
+
+use crate::{
+    attributes::{difficulty::PyDifficultyAttributes, performance::PyPerformanceAttributes},
+    beatmap::PyBeatmap,
+    difficulty::PyDifficulty,
+    error::ArgsError,
+    mods::PyGameMods,
+};
+
+#[pyclass(name = "Performance")]
+#[derive(Default)]
+pub struct PyPerformance {
+    pub(crate) mods: PyGameMods,
+    pub(crate) clock_rate: Option<f64>,
+    pub(crate) ar: Option<f32>,
+    pub(crate) ar_with_mods: bool,
+    pub(crate) cs: Option<f32>,
+    pub(crate) cs_with_mods: bool,
+    pub(crate) hp: Option<f32>,
+    pub(crate) hp_with_mods: bool,
+    pub(crate) od: Option<f32>,
+    pub(crate) od_with_mods: bool,
+    pub(crate) passed_objects: Option<u32>,
+    pub(crate) hardrock_offsets: Option<bool>,
+    pub(crate) accuracy: Option<f64>,
+    pub(crate) combo: Option<u32>,
+    pub(crate) n_geki: Option<u32>,
+    pub(crate) n_katu: Option<u32>,
+    pub(crate) n300: Option<u32>,
+    pub(crate) n100: Option<u32>,
+    pub(crate) n50: Option<u32>,
+    pub(crate) misses: Option<u32>,
+    pub(crate) hitresult_priority: PyHitResultPriority,
+}
+
+#[pymethods]
+impl PyPerformance {
+    #[new]
+    #[pyo3(signature = (**kwargs))]
+    fn new(kwargs: Option<&Bound<'_, PyDict>>) -> PyResult<Self> {
+        let mut this = Self::default();
+
+        let Some(kwargs) = kwargs else {
+            return Ok(this);
+        };
+
+        for (key, value) in kwargs {
+            match key.extract()? {
+                "mods" => {
+                    this.mods = value
+                        .extract()
+                        .map_err(|_| PyTypeError::new_err("kwarg 'mods': must be GameMods"))?
+                }
+                "clock_rate" => {
+                    this.clock_rate =
+                        Some(value.extract().map_err(|_| {
+                            PyTypeError::new_err("kwarg 'clock_rate': must be a float")
+                        })?)
+                }
+                "ar" => {
+                    this.ar = Some(
+                        value
+                            .extract()
+                            .map_err(|_| PyTypeError::new_err("kwarg 'ar': must be a float"))?,
+                    )
+                }
+                "ar_with_mods" => {
+                    this.ar_with_mods = value
+                        .extract()
+                        .map_err(|_| PyTypeError::new_err("kwarg 'ar_with_mods': must be a bool"))?
+                }
+                "cs" => {
+                    this.cs = Some(
+                        value
+                            .extract()
+                            .map_err(|_| PyTypeError::new_err("kwarg 'cs': must be a float"))?,
+                    )
+                }
+                "cs_with_mods" => {
+                    this.cs_with_mods = value
+                        .extract()
+                        .map_err(|_| PyTypeError::new_err("kwarg 'cs_with_mods': must be a bool"))?
+                }
+                "hp" => {
+                    this.hp = Some(
+                        value
+                            .extract()
+                            .map_err(|_| PyTypeError::new_err("kwarg 'hp': must be a float"))?,
+                    )
+                }
+                "hp_with_mods" => {
+                    this.hp_with_mods = value
+                        .extract()
+                        .map_err(|_| PyTypeError::new_err("kwarg 'hp_with_mods': must be a bool"))?
+                }
+                "od" => {
+                    this.od = Some(
+                        value
+                            .extract()
+                            .map_err(|_| PyTypeError::new_err("kwarg 'od': must be a float"))?,
+                    )
+                }
+                "od_with_mods" => {
+                    this.od_with_mods = value
+                        .extract()
+                        .map_err(|_| PyTypeError::new_err("kwarg 'od_with_mods': must be a bool"))?
+                }
+                "passed_objects" => {
+                    this.passed_objects = value.extract().map_err(|_| {
+                        PyTypeError::new_err("kwarg 'passed_objects': must be an int")
+                    })?
+                }
+                "hardrock_offsets" => {
+                    this.hardrock_offsets = value.extract().map_err(|_| {
+                        PyTypeError::new_err("kwarg 'hardrock_offsets': must be a bool")
+                    })?
+                }
+                "accuracy" => {
+                    this.accuracy =
+                        Some(value.extract().map_err(|_| {
+                            PyTypeError::new_err("kwarg 'accuracy': must be a float")
+                        })?)
+                }
+                "combo" => {
+                    this.combo = Some(
+                        value
+                            .extract()
+                            .map_err(|_| PyTypeError::new_err("kwarg 'combo': must be an int"))?,
+                    )
+                }
+                "n_geki" => {
+                    this.n_geki = Some(
+                        value
+                            .extract()
+                            .map_err(|_| PyTypeError::new_err("kwarg 'n_geki': must be an int"))?,
+                    )
+                }
+                "n_katu" => {
+                    this.n_katu = Some(
+                        value
+                            .extract()
+                            .map_err(|_| PyTypeError::new_err("kwarg 'n_katu': must be an int"))?,
+                    )
+                }
+                "n300" => {
+                    this.n300 = Some(
+                        value
+                            .extract()
+                            .map_err(|_| PyTypeError::new_err("kwarg 'n300': must be an int"))?,
+                    )
+                }
+                "n100" => {
+                    this.n100 = Some(
+                        value
+                            .extract()
+                            .map_err(|_| PyTypeError::new_err("kwarg 'n100': must be an int"))?,
+                    )
+                }
+                "n50" => {
+                    this.n50 = Some(
+                        value
+                            .extract()
+                            .map_err(|_| PyTypeError::new_err("kwarg 'n50': must be an int"))?,
+                    )
+                }
+                "misses" => {
+                    this.misses = Some(
+                        value
+                            .extract()
+                            .map_err(|_| PyTypeError::new_err("kwarg 'misses': must be an int"))?,
+                    )
+                }
+                "hitresult_priority" => {
+                    this.hitresult_priority = value.extract().map_err(|_| {
+                        PyTypeError::new_err(
+                            "kwarg 'hitresult_priority': must be a HitResultPriority",
+                        )
+                    })?;
+                }
+                kwarg => {
+                    let err = format!(
+                        "unexpected kwarg '{kwarg}': expected 'mods', \n\
+                        'clock_rate', 'ar', 'ar_with_mods', 'cs', \n\
+                        'cs_with_mods', 'hp', 'hp_with_mods', 'od', \n\
+                        'od_with_mods', 'passed_objects', 'hardrock_offsets', \n\
+                        'accuracy', 'combo', 'n_geki', 'n_katu', 'n300', 'n100', \n\
+                        'n50', 'misses', or 'hitresult_priority'"
+                    );
+
+                    return Err(ArgsError::new_err(err));
+                }
+            }
+        }
+
+        Ok(this)
+    }
+
+    fn calculate(&self, args: &Bound<'_, PyAny>) -> PyResult<PyPerformanceAttributes> {
+        let map;
+
+        let mut perf = if let Ok(attrs) = args.extract::<PyPerformanceAttributes>() {
+            Performance::new(DifficultyAttributes::try_from(attrs.difficulty)?)
+        } else if let Ok(attrs) = args.extract::<PyDifficultyAttributes>() {
+            Performance::new(DifficultyAttributes::try_from(attrs)?)
+        } else if let Ok(map_) = args.extract::<PyRef<'_, PyBeatmap>>() {
+            map = map_;
+
+            Performance::new(&map.inner)
+        } else {
+            return Err(ArgsError::new_err(
+                "argument must be DifficultyAttributes, PerformanceAttributes, or a Beatmap",
+            ));
+        };
+
+        perf = self.apply(perf);
+        let state = perf.generate_state();
+        let mut attrs = PyPerformanceAttributes::from(perf.calculate());
+        attrs.state = Some(state.into());
+
+        Ok(attrs)
+    }
+
+    fn difficulty(&self) -> PyDifficulty {
+        let Self {
+            mods,
+            clock_rate,
+            ar,
+            ar_with_mods,
+            cs,
+            cs_with_mods,
+            hp,
+            hp_with_mods,
+            od,
+            od_with_mods,
+            passed_objects,
+            hardrock_offsets,
+            ..
+        } = self;
+
+        PyDifficulty {
+            mods: mods.clone(),
+            clock_rate: *clock_rate,
+            ar: *ar,
+            ar_with_mods: *ar_with_mods,
+            cs: *cs,
+            cs_with_mods: *cs_with_mods,
+            hp: *hp,
+            hp_with_mods: *hp_with_mods,
+            od: *od,
+            od_with_mods: *od_with_mods,
+            passed_objects: *passed_objects,
+            hardrock_offsets: *hardrock_offsets,
+        }
+    }
+
+    #[pyo3(signature = (mods=None))]
+    fn set_mods(&mut self, mods: Option<PyGameMods>) {
+        self.mods = mods.unwrap_or_default();
+    }
+
+    #[pyo3(signature = (clock_rate=None))]
+    fn set_clock_rate(&mut self, clock_rate: Option<f64>) {
+        self.clock_rate = clock_rate;
+    }
+
+    #[pyo3(signature = (ar, ar_with_mods))]
+    fn set_ar(&mut self, ar: Option<f32>, ar_with_mods: bool) {
+        self.ar = ar;
+        self.ar_with_mods = ar_with_mods;
+    }
+
+    #[pyo3(signature = (cs, cs_with_mods))]
+    fn set_cs(&mut self, cs: Option<f32>, cs_with_mods: bool) {
+        self.cs = cs;
+        self.cs_with_mods = cs_with_mods;
+    }
+
+    #[pyo3(signature = (hp, hp_with_mods))]
+    fn set_hp(&mut self, hp: Option<f32>, hp_with_mods: bool) {
+        self.hp = hp;
+        self.hp_with_mods = hp_with_mods;
+    }
+
+    #[pyo3(signature = (od, od_with_mods))]
+    fn set_od(&mut self, od: Option<f32>, od_with_mods: bool) {
+        self.od = od;
+        self.od_with_mods = od_with_mods;
+    }
+
+    #[pyo3(signature = (passed_objects=None))]
+    fn set_passed_objects(&mut self, passed_objects: Option<u32>) {
+        self.passed_objects = passed_objects;
+    }
+
+    #[pyo3(signature = (hardrock_offsets=None))]
+    fn set_hardrock_offsets(&mut self, hardrock_offsets: Option<bool>) {
+        self.hardrock_offsets = hardrock_offsets;
+    }
+
+    #[pyo3(signature = (accuracy=None))]
+    fn set_accuracy(&mut self, accuracy: Option<f64>) {
+        self.accuracy = accuracy;
+    }
+
+    #[pyo3(signature = (combo=None))]
+    fn set_combo(&mut self, combo: Option<u32>) {
+        self.combo = combo;
+    }
+
+    #[pyo3(signature = (n_geki=None))]
+    fn set_n_geki(&mut self, n_geki: Option<u32>) {
+        self.n_geki = n_geki;
+    }
+
+    #[pyo3(signature = (n_katu=None))]
+    fn set_n_katu(&mut self, n_katu: Option<u32>) {
+        self.n_katu = n_katu;
+    }
+
+    #[pyo3(signature = (n300=None))]
+    fn set_n300(&mut self, n300: Option<u32>) {
+        self.n300 = n300;
+    }
+
+    #[pyo3(signature = (n100=None))]
+    fn set_n100(&mut self, n100: Option<u32>) {
+        self.n100 = n100;
+    }
+
+    #[pyo3(signature = (n50=None))]
+    fn set_n50(&mut self, n50: Option<u32>) {
+        self.n50 = n50;
+    }
+
+    #[pyo3(signature = (misses=None))]
+    fn set_misses(&mut self, misses: Option<u32>) {
+        self.misses = misses;
+    }
+
+    #[pyo3(signature = (hitresult_priority=None))]
+    fn set_hitresult_priority(&mut self, hitresult_priority: Option<PyHitResultPriority>) {
+        self.hitresult_priority = hitresult_priority.unwrap_or_default();
+    }
+}
+
+impl PyPerformance {
+    fn apply<'a>(&self, mut perf: Performance<'a>) -> Performance<'a> {
+        if let Some(accuracy) = self.accuracy {
+            perf = perf.accuracy(accuracy);
+        }
+
+        if let Some(combo) = self.combo {
+            perf = perf.combo(combo);
+        }
+
+        if let Some(n_geki) = self.n_geki {
+            perf = perf.n_geki(n_geki);
+        }
+
+        if let Some(n_katu) = self.n_katu {
+            perf = perf.n_katu(n_katu);
+        }
+
+        if let Some(n300) = self.n300 {
+            perf = perf.n300(n300);
+        }
+
+        if let Some(n100) = self.n100 {
+            perf = perf.n100(n100);
+        }
+
+        if let Some(n50) = self.n50 {
+            perf = perf.n50(n50);
+        }
+
+        if let Some(misses) = self.misses {
+            perf = perf.misses(misses);
+        }
+
+        perf.hitresult_priority(self.hitresult_priority.into())
+            .difficulty(self.as_difficulty())
+    }
+
+    fn as_difficulty(&self) -> Difficulty {
+        let mut difficulty = Difficulty::new();
+
+        difficulty = match self.mods {
+            PyGameMods::Lazer(ref mods) => difficulty.mods(mods.clone()),
+            PyGameMods::Intermode(ref mods) => difficulty.mods(mods),
+            PyGameMods::Legacy(mods) => difficulty.mods(mods),
+        };
+
+        if let Some(passed_objects) = self.passed_objects {
+            difficulty = difficulty.passed_objects(passed_objects);
+        }
+
+        if let Some(clock_rate) = self.clock_rate {
+            difficulty = difficulty.clock_rate(clock_rate);
+        }
+
+        if let Some(ar) = self.ar {
+            difficulty = difficulty.ar(ar, self.ar_with_mods);
+        }
+
+        if let Some(cs) = self.cs {
+            difficulty = difficulty.cs(cs, self.cs_with_mods);
+        }
+
+        if let Some(hp) = self.hp {
+            difficulty = difficulty.hp(hp, self.hp_with_mods);
+        }
+
+        if let Some(od) = self.od {
+            difficulty = difficulty.od(od, self.od_with_mods);
+        }
+
+        if let Some(hardrock_offsets) = self.hardrock_offsets {
+            difficulty = difficulty.hardrock_offsets(hardrock_offsets);
+        }
+
+        difficulty
+    }
+}
+
+#[pyclass(eq, eq_int, name = "HitResultPriority")]
+#[derive(Copy, Clone, Default, PartialEq)]
+pub enum PyHitResultPriority {
+    #[default]
+    BestCase,
+    WorstCase,
+}
+
+impl From<PyHitResultPriority> for HitResultPriority {
+    fn from(priority: PyHitResultPriority) -> Self {
+        match priority {
+            PyHitResultPriority::BestCase => Self::BestCase,
+            PyHitResultPriority::WorstCase => Self::WorstCase,
+        }
+    }
+}
@@ -0,0 +1,155 @@
+use std::fmt::{Debug, Display, Formatter, Result as FmtResult};
+
+use pyo3::{
+    exceptions::PyTypeError,
+    pyclass,
+    types::{PyAnyMethods, PyDict},
+    Bound, PyResult,
+};
+use rosu_pp::any::ScoreState;
+
+use crate::error::ArgsError;
+
+#[pyclass(name = "ScoreState")]
+#[derive(Clone, Default)]
+pub struct PyScoreState {
+    #[pyo3(get, set)]
+    max_combo: u32,
+    #[pyo3(get, set)]
+    n_geki: u32,
+    #[pyo3(get, set)]
+    n_katu: u32,
+    #[pyo3(get, set)]
+    n300: u32,
+    #[pyo3(get, set)]
+    n100: u32,
+    #[pyo3(get, set)]
+    n50: u32,
+    #[pyo3(get, set)]
+    misses: u32,
+}
+
+#[pyo3::pymethods]
+impl PyScoreState {
+    #[new]
+    #[pyo3(signature = (**kwargs))]
+    fn new(kwargs: Option<&Bound<'_, PyDict>>) -> PyResult<Self> {
+        let mut this = Self::default();
+
+        let Some(kwargs) = kwargs else {
+            return Ok(this);
+        };
+
+        for (key, value) in kwargs {
+            match key.extract()? {
+                "max_combo" => {
+                    this.max_combo = value
+                        .extract()
+                        .map_err(|_| PyTypeError::new_err("kwarg 'max_combo': must be an int"))?
+                }
+                "n_geki" => {
+                    this.n_geki = value
+                        .extract()
+                        .map_err(|_| PyTypeError::new_err("kwarg 'n_geki': must be an int"))?
+                }
+                "n_katu" => {
+                    this.n_katu = value
+                        .extract()
+                        .map_err(|_| PyTypeError::new_err("kwarg 'n_katu': must be an int"))?
+                }
+                "n300" => {
+                    this.n300 = value
+                        .extract()
+                        .map_err(|_| PyTypeError::new_err("kwarg 'n300': must be an int"))?
+                }
+                "n100" => {
+                    this.n100 = value
+                        .extract()
+                        .map_err(|_| PyTypeError::new_err("kwarg 'n100': must be an int"))?
+                }
+                "n50" => {
+                    this.n50 = value
+                        .extract()
+                        .map_err(|_| PyTypeError::new_err("kwarg 'n50': must be an int"))?
+                }
+                "misses" => {
+                    this.misses = value
+                        .extract()
+                        .map_err(|_| PyTypeError::new_err("kwarg 'misses': must be an int"))?
+                }
+                kwarg => {
+                    let err = format!(
+                        "unexpected kwarg '{kwarg}': expected 'max_combo', \n\
+                            'n_geki', 'n_katu', 'n300', 'n100', 'n50' or 'misses'",
+                    );
+
+                    return Err(ArgsError::new_err(err));
+                }
+            }
+        }
+
+        Ok(this)
+    }
+
+    fn __repr__(&self) -> String {
+        self.to_string()
+    }
+}
+
+impl Debug for PyScoreState {
+    fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult {
+        let Self {
+            max_combo,
+            n_geki,
+            n_katu,
+            n300,
+            n100,
+            n50,
+            misses,
+        } = self;
+
+        f.debug_struct("ScoreState")
+            .field("max_combo", max_combo)
+            .field("n_geki", n_geki)
+            .field("n_katu", n_katu)
+            .field("n300", n300)
+            .field("n100", n100)
+            .field("n50", n50)
+            .field("misses", misses)
+            .finish()
+    }
+}
+
+impl Display for PyScoreState {
+    fn fmt(&self, f: &mut Formatter) -> FmtResult {
+        Debug::fmt(self, f)
+    }
+}
+
+impl From<&PyScoreState> for ScoreState {
+    fn from(state: &PyScoreState) -> Self {
+        Self {
+            max_combo: state.max_combo,
+            n_geki: state.n_geki,
+            n_katu: state.n_katu,
+            n300: state.n300,
+            n100: state.n100,
+            n50: state.n50,
+            misses: state.misses,
+        }
+    }
+}
+
+impl From<ScoreState> for PyScoreState {
+    fn from(state: ScoreState) -> Self {
+        Self {
+            max_combo: state.max_combo,
+            n_geki: state.n_geki,
+            n_katu: state.n_katu,
+            n300: state.n300,
+            n100: state.n100,
+            n50: state.n50,
+            misses: state.misses,
+        }
+    }
+}
@@ -1,174 +1,103 @@
-use std::fmt::{Debug, Display, Formatter, Result as FmtResult};
-
-use pyo3::{ffi, pyclass, pymethods, types::PyList, IntoPy, IntoPyPointer, Py, PyObject, Python};
-use akatsuki_pp::{
-    catch::CatchStrains, mania::ManiaStrains, osu::OsuStrains, taiko::TaikoStrains, Strains,
+use pyo3::pyclass;
+use rosu_pp::{
+    any::Strains, catch::CatchStrains, mania::ManiaStrains, osu::OsuStrains, taiko::TaikoStrains,
 };

-#[pyclass(name = "Strains")]
-#[derive(Debug)]
+use crate::mode::PyGameMode;
+
+type DoubleList = Vec<f64>;
+
+define_class! {
+    #[pyclass(name = "Strains", frozen)]
+    #[derive(Default)]
    pub struct PyStrains {
-    inner: Strains,
+        pub mode: PyGameMode!,
+        pub section_length: f64!,
+        pub aim: DoubleList?,
+        pub aim_no_sliders: DoubleList?,
+        pub speed: DoubleList?,
+        pub flashlight: DoubleList?,
+        pub color: DoubleList?,
+        pub rhythm: DoubleList?,
+        pub stamina: DoubleList?,
+        pub movement: DoubleList?,
+        pub strains: DoubleList?,
+    }
+}
+
+impl From<OsuStrains> for PyStrains {
+    fn from(strains: OsuStrains) -> Self {
+        let OsuStrains {
+            aim,
+            aim_no_sliders,
+            speed,
+            flashlight,
+        } = strains;
+
+        Self {
+            mode: PyGameMode::Osu,
+            section_length: OsuStrains::SECTION_LEN,
+            aim: Some(aim),
+            aim_no_sliders: Some(aim_no_sliders),
+            speed: Some(speed),
+            flashlight: Some(flashlight),
+            ..Self::default()
+        }
+    }
+}
+
+impl From<TaikoStrains> for PyStrains {
+    fn from(strains: TaikoStrains) -> Self {
+        let TaikoStrains {
+            color,
+            rhythm,
+            stamina,
+        } = strains;
+
+        Self {
+            mode: PyGameMode::Taiko,
+            section_length: TaikoStrains::SECTION_LEN,
+            color: Some(color),
+            rhythm: Some(rhythm),
+            stamina: Some(stamina),
+            ..Self::default()
+        }
+    }
+}
+
+impl From<CatchStrains> for PyStrains {
+    fn from(strains: CatchStrains) -> Self {
+        let CatchStrains { movement } = strains;
+
+        Self {
+            mode: PyGameMode::Catch,
+            section_length: CatchStrains::SECTION_LEN,
+            movement: Some(movement),
+            ..Self::default()
+        }
+    }
+}
+
+impl From<ManiaStrains> for PyStrains {
+    fn from(strains: ManiaStrains) -> Self {
+        let ManiaStrains { strains } = strains;
+
+        Self {
+            mode: PyGameMode::Mania,
+            section_length: ManiaStrains::SECTION_LEN,
+            strains: Some(strains),
+            ..Self::default()
+        }
+    }
 }

 impl From<Strains> for PyStrains {
-    #[inline]
    fn from(strains: Strains) -> Self {
-        Self { inner: strains }
-    }
-}
-
-impl Display for PyStrains {
-    #[inline]
-    fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult {
-        let mut debug = f.debug_struct("Strains");
-
-        macro_rules! debug {
-            ( $( $field:ident $( , )? )* ) => {
-                debug $( .field(stringify!($field), $field) )*;
-            }
-        }
-
-        match &self.inner {
-            Strains::Osu(strains) => {
-                let OsuStrains {
-                    section_len,
-                    aim,
-                    aim_no_sliders,
-                    speed,
-                    flashlight,
-                } = strains;
-
-                debug.field("mode", &0_u8);
-                debug!(section_len, aim, aim_no_sliders, speed, flashlight);
-            }
-            Strains::Taiko(strains) => {
-                let TaikoStrains {
-                    section_len,
-                    color,
-                    rhythm,
-                    stamina,
-                } = strains;
-
-                debug.field("mode", &1_u8);
-                debug!(section_len, color, rhythm, stamina);
-            }
-            Strains::Catch(strains) => {
-                let CatchStrains {
-                    section_len,
-                    movement,
-                } = strains;
-
-                debug.field("mode", &2_u8);
-                debug!(section_len, movement);
-            }
-            Strains::Mania(strains) => {
-                let ManiaStrains {
-                    section_len,
-                    strains,
-                } = strains;
-
-                debug.field("mode", &3_u8);
-                debug!(section_len, strains);
-            }
-        }
-
-        debug.finish()
-    }
-}
-
-macro_rules! getters {
-    (
-        $(
-            $mode:ident {
-                $( $field:ident ,)*
-            },
-        )*
-    ) => {
-        #[pymethods]
-        impl PyStrains {
-            #[getter]
-            fn mode(&self) -> u8 {
-                match self.inner {
-                    Strains::Osu(_) => 0,
-                    Strains::Taiko(_) => 1,
-                    Strains::Catch(_) => 2,
-                    Strains::Mania(_) => 3,
-                }
-            }
-
-            #[getter]
-            fn section_len(&self) -> f64 {
-                match &self.inner {
-                    Strains::Osu(strains) => strains.section_len,
-                    Strains::Taiko(strains) => strains.section_len,
-                    Strains::Catch(strains) => strains.section_len,
-                    Strains::Mania(strains) => strains.section_len,
-                }
-            }
-
-            fn __repr__(&self) -> String {
-                self.to_string()
-            }
-
-            $(
-                $(
-                    #[getter]
-                    fn $field(&self) -> Option<SliceWrapper<'_>> {
-                        if let Strains::$mode(ref attrs) = self.inner {
-                            Some(SliceWrapper(&attrs.$field))
-                        } else {
-                            None
-                        }
-                    }
-                )*
-            )*
-        }
-    };
-}
-
-getters! {
-    Osu {
-        aim,
-        aim_no_sliders,
-        speed,
-        flashlight,
-    },
-    Taiko {
-        color,
-        stamina,
-        rhythm,
-    },
-    Catch {
-        movement,
-    },
-    Mania {
-        strains,
-    },
-}
-
-struct SliceWrapper<'i>(&'i [f64]);
-
-impl IntoPy<PyObject> for SliceWrapper<'_> {
-    #[inline]
-    fn into_py(self, py: Python<'_>) -> PyObject {
-        let iter = self.0.iter().map(|e| e.into_py(py));
-        let len = self.0.len() as ffi::Py_ssize_t;
-
-        // SAFETY: analogous code to pyo3's `IntoPy` impl for `Vec<T>`
-        // https://github.com/PyO3/pyo3/blob/d7b05cbcf5785019a097e496454b924f3e11d94f/src/types/list.rs#L21-L54
-        unsafe {
-            let ptr = ffi::PyList_New(len);
-            let list: Py<PyList> = Py::from_owned_ptr(py, ptr);
-
-            for (item, i) in iter.zip(0..) {
-                #[cfg(not(Py_LIMITED_API))]
-                ffi::PyList_SET_ITEM(ptr, i, item.into_ptr());
-                #[cfg(Py_LIMITED_API)]
-                ffi::PyList_SetItem(ptr, i, obj.into_ptr());
-            }
-
-            list.into()
+        match strains {
+            Strains::Osu(strains) => strains.into(),
+            Strains::Taiko(strains) => strains.into(),
+            Strains::Catch(strains) => strains.into(),
+            Strains::Mania(strains) => strains.into(),
        }
    }
 }
Author	SHA1	Message	Date
MaxOhn	e6ed5a770a	release: v1.1.0	2024-07-12 13:58:51 +02:00
MaxOhn	ecec26fda5	updated changelog	2024-07-12 13:51:04 +02:00
Badewanne3	bf6e57a520	feat: use rosu-mods (#9 ) * use rosu-mods * mention mods in readme * use published rosu-pp * remove test remnants	2024-07-12 13:42:24 +02:00
MaxOhn	4d29dd752b	add python 3.13 to ci	2024-07-08 13:05:45 +02:00
Jeglerjeg	5ed4ce3414	dep: Update to py03 0.22 (#8 )	2024-07-04 22:16:02 +02:00
MaxOhn	fc60284511	v1.0.1	2024-05-05 21:03:20 +02:00
MaxOhn	b94dbf06d7	updated changelog	2024-05-05 21:01:59 +02:00
Badewanne3	0c2aa11ccd	fix PerformanceAttributes.pp_accuracy field name (#7 )	2024-05-05 20:57:12 +02:00
MaxOhn	4a8b0a9a1b	require clippy to pass when releasing	2024-04-03 15:35:29 +02:00
MaxOhn	ab03b988e2	updated hyperlinks in readme	2024-04-03 15:31:04 +02:00
MaxOhn	f0f08fe9c9	rename section_length	2024-04-03 15:27:01 +02:00
MaxOhn	cb4b965eae	update hyperlinks in readme	2024-04-03 15:27:00 +02:00
MaxOhn	3c7f6533fe	update changelog	2024-04-03 15:27:00 +02:00
MaxOhn	e2fb4cc342	specify MSRV for toolchain in ci	2024-04-03 15:27:00 +02:00
MaxOhn	c5fdf695d7	use sccache	2024-04-03 15:27:00 +02:00
MaxOhn	b1fe7f33b2	adjust bool formatting	2024-04-03 15:27:00 +02:00
MaxOhn	bcad53579a	minor adjustments	2024-04-03 15:26:59 +02:00
MaxOhn	5d68891f66	remove requirements install	2024-04-03 15:26:59 +02:00
MaxOhn	fa981c4769	adjusted pyproject.toml	2024-04-03 15:26:59 +02:00
MaxOhn	0bbd18648e	use published rosu-pp	2024-04-03 15:26:59 +02:00
MaxOhn	197d687b98	bump pyo3 from 0.20 to 0.21	2024-04-03 15:26:59 +02:00
MaxOhn	0ce07c0e6c	remove mode kwarg from Beatmap constructor	2024-04-03 15:26:59 +02:00
MaxOhn	757b807f54	updated readme hyperlinks	2024-04-03 15:26:59 +02:00
MaxOhn	f7c41a516f	updated readme	2024-04-03 15:26:59 +02:00
MaxOhn	c0e1977a54	api adjustments	2024-04-03 15:26:59 +02:00
MaxOhn	2a37169ca8	slight ci simplification	2024-04-03 15:26:59 +02:00
MaxOhn	583ce7ef0e	fix yml syntax	2024-04-03 15:26:59 +02:00
MaxOhn	361002989f	updated ci	2024-04-03 15:26:57 +02:00
MaxOhn	a8e521ef8c	rewrite	2024-04-03 15:25:39 +02:00
MaxOhn	4fd090d625	Merge branch 'next'	2023-02-09 08:21:34 +01:00
MaxOhn	ce30124c5e	v0.9.4	2023-02-09 08:21:28 +01:00
MaxOhn	45e27f71e9	updated rosu-pp	2023-02-09 08:20:10 +01:00
Max	84a37b904e	specify python version	2023-01-28 21:47:06 +01:00
Max	bffc06c17e	remove some requirements	2023-01-28 21:43:20 +01:00
Max	4fe3395457	downgrade ubuntu in linux job	2023-01-28 21:19:43 +01:00
Max	493d836f96	omit --no-sdist	2023-01-28 21:12:21 +01:00
Max	984b899088	update maturin	2023-01-28 20:56:40 +01:00
Max	37471f18ec	use PyO3's maturin action	2023-01-28 19:57:23 +01:00
Max	30d1502bdc	update setup-python version in workflow	2023-01-28 19:16:33 +01:00
Max	4809e599dc	v0.9.3	2023-01-28 19:06:09 +01:00
Max	8ab467b2c7	fixed object count in map attributes of converted maps	2023-01-28 18:59:28 +01:00
Max	92cf2e9bfc	updated rosu-pp	2023-01-28 18:54:24 +01:00
Max	488ad77840	updated pyo3	2023-01-28 18:53:54 +01:00
Max	2d18ef664f	fixed typos	2022-10-29 23:54:06 +02:00