프로젝트 소스 공개

2026-09-06 17:11:40 +09:00
commit 0f0431de5a
676 changed files with 106118 additions and 0 deletions
@@ -0,0 +1,28 @@
+#!/bin/zsh
+set -euo pipefail
+
+script_dir=${0:A:h}
+project_root=${script_dir:h:h}
+source_file="$script_dir/project_quint_input.cpp"
+bundle_root="$project_root/Assets/ProjectQuint/Plugins/macOS/ProjectQuintInput.bundle"
+output_file="$bundle_root/Contents/MacOS/ProjectQuintInput"
+
+mkdir -p "${output_file:h}"
+/usr/bin/xcrun --sdk macosx clang++ \
+  -std=c++17 \
+  -O3 \
+  -DNDEBUG \
+  -fvisibility=hidden \
+  -mmacosx-version-min=12.0 \
+  -arch arm64 \
+  -arch x86_64 \
+  -dynamiclib \
+  -install_name '@rpath/ProjectQuintInput' \
+  -framework ApplicationServices \
+  "$source_file" \
+  -o "$output_file"
+
+/usr/bin/lipo "$output_file" -verify_arch arm64 x86_64
+/usr/bin/codesign --force --sign - "$bundle_root"
+/usr/bin/codesign --verify --strict "$bundle_root"
+echo "Built Universal ProjectQuintInput: $output_file"
@@ -0,0 +1,283 @@
+#include <ApplicationServices/ApplicationServices.h>
+#include <mach/mach_time.h>
+#include <pthread/qos.h>
+
+#include <array>
+#include <atomic>
+#include <cstdint>
+#include <cstring>
+#include <thread>
+
+#define PQ_EXPORT extern "C" __attribute__((visibility("default")))
+
+namespace
+{
+    constexpr int32_t MaxBindings = 16;
+    constexpr uint32_t EventCapacity = 4096;
+
+    struct NativeInputEvent
+    {
+        int32_t bindingIndex;
+        int32_t pressed;
+        double timestampSeconds;
+    };
+
+    struct NativePollingSnapshot
+    {
+        int32_t targetHz;
+        int32_t bindingCount;
+        uint64_t sampleCount;
+        uint64_t droppedEventCount;
+        uint64_t lateWakeupCount;
+        double elapsedSeconds;
+    };
+
+    std::array<int32_t, MaxBindings> keyCodes{};
+    std::array<bool, MaxBindings> previousStates{};
+    std::array<NativeInputEvent, EventCapacity> events{};
+    std::atomic<uint32_t> writeIndex{0};
+    std::atomic<uint32_t> readIndex{0};
+    std::atomic<bool> running{false};
+    std::atomic<bool> enabled{false};
+    std::atomic<uint64_t> sampleCount{0};
+    std::atomic<uint64_t> droppedEventCount{0};
+    std::atomic<uint64_t> lateWakeupCount{0};
+    std::atomic<uint64_t> activeElapsedTicks{0};
+    std::thread pollingThread;
+    int32_t configuredHz = 1000;
+    int32_t configuredBindingCount = 0;
+    mach_timebase_info_data_t timebase{};
+    char lastError[256]{};
+
+    double TicksToSeconds(uint64_t ticks)
+    {
+        return static_cast<double>(ticks) * static_cast<double>(timebase.numer) /
+               static_cast<double>(timebase.denom) / 1'000'000'000.0;
+    }
+
+    uint64_t FrequencyToTicks(int32_t frequency)
+    {
+        const long double nanoseconds = 1'000'000'000.0L / frequency;
+        const long double ticks = nanoseconds * timebase.denom / timebase.numer;
+        return static_cast<uint64_t>(ticks < 1.0L ? 1.0L : ticks);
+    }
+
+    void SetError(const char* message)
+    {
+        std::strncpy(lastError, message == nullptr ? "Unknown native input error." : message,
+                     sizeof(lastError) - 1);
+        lastError[sizeof(lastError) - 1] = '\0';
+    }
+
+    void ClearQueue()
+    {
+        readIndex.store(0, std::memory_order_release);
+        writeIndex.store(0, std::memory_order_release);
+    }
+
+    void Enqueue(int32_t bindingIndex, bool pressed, uint64_t timestamp)
+    {
+        const uint32_t write = writeIndex.load(std::memory_order_relaxed);
+        const uint32_t next = (write + 1) % EventCapacity;
+        if (next == readIndex.load(std::memory_order_acquire))
+        {
+            droppedEventCount.fetch_add(1, std::memory_order_relaxed);
+            return;
+        }
+
+        events[write] = NativeInputEvent{
+            bindingIndex,
+            pressed ? 1 : 0,
+            TicksToSeconds(timestamp),
+        };
+        writeIndex.store(next, std::memory_order_release);
+    }
+
+    void CaptureBaseline()
+    {
+        for (int32_t index = 0; index < configuredBindingCount; ++index)
+        {
+            previousStates[index] = CGEventSourceKeyState(
+                kCGEventSourceStateHIDSystemState,
+                static_cast<CGKeyCode>(keyCodes[index]));
+        }
+    }
+
+    void PollingLoop()
+    {
+        pthread_set_qos_class_self_np(QOS_CLASS_USER_INTERACTIVE, 0);
+        const uint64_t period = FrequencyToTicks(configuredHz);
+        uint64_t nextDeadline = mach_absolute_time();
+        bool wasEnabled = false;
+        uint64_t previousActiveSample = 0;
+
+        while (running.load(std::memory_order_acquire))
+        {
+            const bool shouldSample = enabled.load(std::memory_order_acquire);
+            const uint64_t sampledAt = mach_absolute_time();
+            if (shouldSample)
+            {
+                if (!wasEnabled)
+                {
+                    CaptureBaseline();
+                    ClearQueue();
+                    wasEnabled = true;
+                    previousActiveSample = sampledAt;
+                }
+                else
+                {
+                    activeElapsedTicks.fetch_add(
+                        sampledAt - previousActiveSample,
+                        std::memory_order_relaxed);
+                    previousActiveSample = sampledAt;
+                    for (int32_t index = 0; index < configuredBindingCount; ++index)
+                    {
+                        const bool pressed = CGEventSourceKeyState(
+                            kCGEventSourceStateHIDSystemState,
+                            static_cast<CGKeyCode>(keyCodes[index]));
+                        if (pressed == previousStates[index])
+                            continue;
+                        previousStates[index] = pressed;
+                        Enqueue(index, pressed, sampledAt);
+                    }
+                }
+                sampleCount.fetch_add(1, std::memory_order_relaxed);
+            }
+            else
+            {
+                wasEnabled = false;
+            }
+
+            nextDeadline += period;
+            const uint64_t afterSample = mach_absolute_time();
+            if (nextDeadline <= afterSample)
+            {
+                const uint64_t missedPeriods = (afterSample - nextDeadline) / period + 1;
+                nextDeadline += missedPeriods * period;
+                lateWakeupCount.fetch_add(missedPeriods, std::memory_order_relaxed);
+            }
+            mach_wait_until(nextDeadline);
+        }
+    }
+
+    void StopInternal()
+    {
+        enabled.store(false, std::memory_order_release);
+        running.store(false, std::memory_order_release);
+        if (pollingThread.joinable())
+            pollingThread.join();
+        ClearQueue();
+    }
+}
+
+PQ_EXPORT int32_t PQInputStart(int32_t frequency, const int32_t* bindings, int32_t bindingCount)
+{
+    StopInternal();
+    lastError[0] = '\0';
+    if (frequency != 1000 && frequency != 2000 && frequency != 4000 && frequency != 8000)
+    {
+        SetError("Polling frequency must be 1000, 2000, 4000, or 8000 Hz.");
+        return 0;
+    }
+    if (bindings == nullptr || bindingCount <= 0 || bindingCount > MaxBindings)
+    {
+        SetError("Native polling requires between 1 and 16 key bindings.");
+        return 0;
+    }
+
+    if (timebase.denom == 0 && mach_timebase_info(&timebase) != KERN_SUCCESS)
+    {
+        SetError("mach_timebase_info failed.");
+        return 0;
+    }
+
+    for (int32_t index = 0; index < bindingCount; ++index)
+    {
+        if (bindings[index] < 0 || bindings[index] > UINT16_MAX)
+        {
+            SetError("A configured macOS virtual key code is invalid.");
+            return 0;
+        }
+        keyCodes[index] = bindings[index];
+        previousStates[index] = false;
+    }
+
+    configuredHz = frequency;
+    configuredBindingCount = bindingCount;
+    sampleCount.store(0, std::memory_order_release);
+    droppedEventCount.store(0, std::memory_order_release);
+    lateWakeupCount.store(0, std::memory_order_release);
+    activeElapsedTicks.store(0, std::memory_order_release);
+    ClearQueue();
+    running.store(true, std::memory_order_release);
+    enabled.store(true, std::memory_order_release);
+    try
+    {
+        pollingThread = std::thread(PollingLoop);
+    }
+    catch (...)
+    {
+        running.store(false, std::memory_order_release);
+        enabled.store(false, std::memory_order_release);
+        SetError("Could not create the native polling thread.");
+        return 0;
+    }
+    return 1;
+}
+
+PQ_EXPORT void PQInputStop()
+{
+    StopInternal();
+}
+
+PQ_EXPORT void PQInputSetEnabled(int32_t value)
+{
+    enabled.store(value != 0, std::memory_order_release);
+}
+
+PQ_EXPORT int32_t PQInputTryDequeue(NativeInputEvent* output)
+{
+    if (output == nullptr)
+        return 0;
+    const uint32_t read = readIndex.load(std::memory_order_relaxed);
+    if (read == writeIndex.load(std::memory_order_acquire))
+        return 0;
+    *output = events[read];
+    readIndex.store((read + 1) % EventCapacity, std::memory_order_release);
+    return 1;
+}
+
+PQ_EXPORT int32_t PQInputIsKeyDown(int32_t keyCode)
+{
+    if (keyCode < 0 || keyCode > UINT16_MAX)
+        return 0;
+    return CGEventSourceKeyState(
+        kCGEventSourceStateHIDSystemState,
+        static_cast<CGKeyCode>(keyCode)) ? 1 : 0;
+}
+
+PQ_EXPORT double PQInputNowSeconds()
+{
+    if (timebase.denom == 0)
+        mach_timebase_info(&timebase);
+    return TicksToSeconds(mach_absolute_time());
+}
+
+PQ_EXPORT void PQInputGetSnapshot(NativePollingSnapshot* output)
+{
+    if (output == nullptr)
+        return;
+    *output = NativePollingSnapshot{
+        configuredHz,
+        configuredBindingCount,
+        sampleCount.load(std::memory_order_acquire),
+        droppedEventCount.load(std::memory_order_acquire),
+        lateWakeupCount.load(std::memory_order_acquire),
+        TicksToSeconds(activeElapsedTicks.load(std::memory_order_acquire)),
+    };
+}
+
+PQ_EXPORT const char* PQInputGetLastError()
+{
+    return lastError;
+}