Integrate le2d, show ImGui demo window

.clang-format

@@ -0,0 +1,31 @@
+---
+Language: Cpp
+BasedOnStyle: LLVM
+AlwaysBreakTemplateDeclarations: Yes
+BreakBeforeBraces: Attach
+ColumnLimit: 160
+SpaceAfterTemplateKeyword: true
+Standard: c++20
+TabWidth: 4
+IndentWidth: 4
+UseTab: Always
+AllowShortEnumsOnASingleLine: true
+AllowShortCaseLabelsOnASingleLine: true
+AllowShortFunctionsOnASingleLine: All
+AllowShortLambdasOnASingleLine: All
+AllowShortBlocksOnASingleLine: Always
+AllowShortIfStatementsOnASingleLine: Always
+AllowShortLoopsOnASingleLine: true
+IndentRequires: true
+IncludeCategories:
+    # Headers in <> with .h extension.
+    - Regex: '<([A-Za-z0-9\/-_])+\.h>'
+      Priority: 10
+    # Headers in <> with .hpp extension.
+    - Regex: '<([A-Za-z0-9\/-_])+\.hpp>'
+      Priority: 20
+    # Headers in <> without extension.
+    - Regex: '<([A-Za-z0-9\/-_])+>'
+      Priority: 30
+PointerAlignment: Left
+QualifierAlignment: Right

.clang-tidy

@@ -0,0 +1,21 @@
+---
+Checks: 'clang-analyzer-*,
+	concurrency-*,
+	cppcoreguidelines-*,
+	-cppcoreguidelines-non-private-member-variables-in-classes,
+	-cppcoreguidelines-avoid-magic-numbers,
+	-cppcoreguidelines-avoid-const-or-ref-data-members,
+	misc-*,
+	-misc-non-private-member-variables-in-classes,
+	-misc-no-recursion,
+	modernize-*,
+	-modernize-use-trailing-return-type,
+	performance-*,
+	portability-*,
+	readability-*,
+	-readability-identifier-length,
+  -readability-implicit-bool-conversion,
+	-readability-magic-numbers,
+	-readability-redundant-member-init,
+	-readability-uppercase-literal-suffix'
+...

.editorconfig

@@ -0,0 +1,19 @@
+[*]
+insert_final_newline = true
+charset = utf-8
+indent_size = 4
+indent_style = tab
+# Optional: git will commit as lf, this will only affect local files
+end_of_line = lf
+
+[*.{py,md,yml,sh,cmake,json}]
+indent_style = space
+indent_size = 2
+
+[*.{py,md,yml,sh,cmake,json}.in]
+indent_style = space
+indent_size = 2
+
+[CMakeLists.txt]
+indent_style = space
+indent_size = 2

.github/format_check_diff.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+[[ ! $(git --version) ]] && exit 1
+
+output=$(git diff)
+
+if [[ "$output" != "" ]]; then
+  echo -e "One or more source files are not formatted!\n\n$output\n"
+  echo -e "Using $(clang-format --version)\n"
+  exit 1
+fi
+
+echo "All source files are formatted"
+exit

.github/workflows/ci.yml

@@ -0,0 +1,105 @@
+name: ci-pr
+on: [pull_request, workflow_dispatch]
+jobs:
+  format-check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: format code
+        run: scripts/format_code.sh
+      - name: check diff
+        run: .github/format_check_diff.sh
+  x64-linux-gcc:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: init
+        run: uname -m; sudo apt update -yqq && sudo apt install -yqq ninja-build mesa-common-dev libwayland-dev libxkbcommon-dev wayland-protocols extra-cmake-modules
+      - name: configure
+        run: cmake -S . --preset=ninja-gcc -B build -DKVF_USE_FREETYPE=OFF -DGLFW_BUILD_X11=OFF -DCMAKE_C_COMPILER=gcc-14 -DCMAKE_CXX_COMPILER=g++-14
+      - name: build debug
+        run: cmake --build build --config=Debug -- -v
+      - name: build release
+        run: cmake --build build --config=Release -- -v
+      - name: test debug
+        run: cd build && ctest -V -C Debug
+      - name: test release
+        run: cd build && ctest -V -C Release
+  x64-linux-clang:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: init
+        run: uname -m; sudo apt update -yqq && sudo apt install -yqq ninja-build clang-19 mesa-common-dev libwayland-dev libxkbcommon-dev wayland-protocols extra-cmake-modules
+      - name: configure
+        run: cmake -S . --preset=ninja-clang -B build -DKVF_USE_FREETYPE=OFF -DGLFW_BUILD_X11=OFF -DCMAKE_C_COMPILER=clang-19 -DCMAKE_CXX_COMPILER=clang++-19
+      - name: build debug
+        run: cmake --build build --config=Debug -- -v
+      - name: build release
+        run: cmake --build build --config=Release -- -v
+      - name: test debug
+        run: cd build && ctest -V -C Debug
+      - name: test release
+        run: cd build && ctest -V -C Release
+  arm64-linux-gcc:
+    runs-on: ubuntu-24.04-arm
+    steps:
+      - uses: actions/checkout@v4
+      - name: init
+        run: uname -m; sudo apt update -yqq && sudo apt install -yqq ninja-build mesa-common-dev libwayland-dev libxkbcommon-dev wayland-protocols extra-cmake-modules
+      - name: configure
+        run: cmake -S . --preset=ninja-gcc -B build -DKVF_USE_FREETYPE=OFF -DGLFW_BUILD_X11=OFF -DCMAKE_C_COMPILER=gcc-14 -DCMAKE_CXX_COMPILER=g++-14
+      - name: build debug
+        run: cmake --build build --config=Debug -- -v
+      - name: build release
+        run: cmake --build build --config=Release -- -v
+      - name: test debug
+        run: cd build && ctest -V -C Debug
+      - name: test release
+        run: cd build && ctest -V -C Release
+  arm64-linux-clang:
+    runs-on: ubuntu-24.04-arm
+    steps:
+      - uses: actions/checkout@v4
+      - name: init
+        run: uname -m; sudo apt update -yqq && sudo apt install -yqq ninja-build clang-19 mesa-common-dev libwayland-dev libxkbcommon-dev wayland-protocols extra-cmake-modules
+      - name: configure
+        run: cmake -S . --preset=ninja-clang -B build -DKVF_USE_FREETYPE=OFF -DGLFW_BUILD_X11=OFF -DCMAKE_C_COMPILER=clang-19 -DCMAKE_CXX_COMPILER=clang++-19
+      - name: build debug
+        run: cmake --build build --config=Debug -- -v
+      - name: build release
+        run: cmake --build build --config=Release -- -v
+      - name: test debug
+        run: cd build && ctest -V -C Debug
+      - name: test release
+        run: cd build && ctest -V -C Release
+  x64-windows-vs22:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: configure
+        run: cmake -S . --preset=vs22 -B build -DKVF_USE_FREETYPE=OFF
+      - name: build debug
+        run: cmake --build build --config=Debug --parallel
+      - name: build release
+        run: cmake --build build --config=Release --parallel
+      - name: test debug
+        run: cd build && ctest -V -C Debug
+      - name: test release
+        run: cd build && ctest -V -C Release
+  x64-windows-clang:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: init
+        run: choco install ninja
+      - name: configure
+        run: cmake -S . --preset=ninja-clang -B build -DKVF_USE_FREETYPE=OFF
+      - name: build debug
+        run: cmake --build build --config=Debug -- -v
+      - name: build release
+        run: cmake --build build --config=Release -- -v
+      - name: test debug
+        run: cd build && ctest -V -C Debug
+      - name: test release
+        run: cd build && ctest -V -C Release

.gitignore

@@ -0,0 +1,13 @@
+**/.vs/*
+**/.vscode/*
+build/*
+out/*
+.cache
+.DS_Store
+
+CMakeSettings.json
+compile_commands.json
+/CMakeUserPresets.json
+
+imgui.ini
+*debug.log

CMakeLists.txt

@@ -0,0 +1,25 @@
+cmake_minimum_required(VERSION 3.24)
+
+project(miracle VERSION 0.1.0)
+
+set(CMAKE_CXX_STANDARD 23)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+set(CMAKE_DEBUG_POSTFIX "-d")
+
+add_subdirectory(ext)
+
+add_executable(${PROJECT_NAME})
+
+target_link_libraries(${PROJECT_NAME} PRIVATE
+  le2d
+)
+
+target_include_directories(${PROJECT_NAME} PRIVATE
+  src
+)
+
+file(GLOB_RECURSE sources LIST_DIRECTORIES false "src/*.[hc]pp")
+target_sources(${PROJECT_NAME} PRIVATE
+  ${sources}
+)