android: Input mapping

1 files changed, 313 insertions, 11 deletions

diff --git a/src/input_common/drivers/android.cpp b/src/input_common/drivers/android.cpp
index b6a03fdc0..e859cc538 100644
--- a/src/input_common/drivers/android.cpp
+++ b/src/input_common/drivers/android.cpp
@@ -1,30 +1,47 @@
 // SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-3.0-or-later
 
+#include <set>
+#include <common/settings_input.h>
+#include <jni.h>
+#include "common/android/android_common.h"
+#include "common/android/id_cache.h"
 #include "input_common/drivers/android.h"
 
 namespace InputCommon {
 
 Android::Android(std::string input_engine_) : InputEngine(std::move(input_engine_)) {}
 
-void Android::RegisterController(std::size_t controller_number) {
-    PreSetController(GetIdentifier(controller_number));
+void Android::RegisterController(jobject j_input_device) {
+    auto env = Common::Android::GetEnvForThread();
+    const std::string guid = Common::Android::GetJString(
+        env, static_cast<jstring>(
+                 env->CallObjectMethod(j_input_device, Common::Android::GetYuzuDeviceGetGUID())));
+    const s32 port = env->CallIntMethod(j_input_device, Common::Android::GetYuzuDeviceGetPort());
+    const auto identifier = GetIdentifier(guid, static_cast<size_t>(port));
+    PreSetController(identifier);
+
+    if (input_devices.find(identifier) != input_devices.end()) {
+        env->DeleteGlobalRef(input_devices[identifier]);
+    }
+    auto new_device = env->NewGlobalRef(j_input_device);
+    input_devices[identifier] = new_device;
 }
 
-void Android::SetButtonState(std::size_t controller_number, int button_id, bool value) {
-    const auto identifier = GetIdentifier(controller_number);
+void Android::SetButtonState(std::string guid, size_t port, int button_id, bool value) {
+    const auto identifier = GetIdentifier(guid, port);
     SetButton(identifier, button_id, value);
 }
 
-void Android::SetAxisState(std::size_t controller_number, int axis_id, float value) {
-    const auto identifier = GetIdentifier(controller_number);
+void Android::SetAxisPosition(std::string guid, size_t port, int axis_id, float value) {
+    const auto identifier = GetIdentifier(guid, port);
     SetAxis(identifier, axis_id, value);
 }
 
-void Android::SetMotionState(std::size_t controller_number, u64 delta_timestamp, float gyro_x,
+void Android::SetMotionState(std::string guid, size_t port, u64 delta_timestamp, float gyro_x,
                              float gyro_y, float gyro_z, float accel_x, float accel_y,
                              float accel_z) {
-    const auto identifier = GetIdentifier(controller_number);
+    const auto identifier = GetIdentifier(guid, port);
     const BasicMotion motion_data{
         .gyro_x = gyro_x,
         .gyro_y = gyro_y,
@@ -37,10 +54,295 @@ void Android::SetMotionState(std::size_t controller_number, u64 delta_timestamp,
     SetMotion(identifier, 0, motion_data);
 }
 
-PadIdentifier Android::GetIdentifier(std::size_t controller_number) const {
+Common::Input::DriverResult Android::SetVibration(
+    [[maybe_unused]] const PadIdentifier& identifier,
+    [[maybe_unused]] const Common::Input::VibrationStatus& vibration) {
+    auto device = input_devices.find(identifier);
+    if (device != input_devices.end()) {
+        Common::Android::RunJNIOnFiber<void>([&](JNIEnv* env) {
+            float average_intensity =
+                static_cast<float>((vibration.high_amplitude + vibration.low_amplitude) / 2.0);
+            env->CallVoidMethod(device->second, Common::Android::GetYuzuDeviceVibrate(),
+                                average_intensity);
+        });
+        return Common::Input::DriverResult::Success;
+    }
+    return Common::Input::DriverResult::NotSupported;
+}
+
+bool Android::IsVibrationEnabled([[maybe_unused]] const PadIdentifier& identifier) {
+    auto device = input_devices.find(identifier);
+    if (device != input_devices.end()) {
+        return Common::Android::RunJNIOnFiber<bool>([&](JNIEnv* env) {
+            return static_cast<bool>(env->CallBooleanMethod(
+                device->second, Common::Android::GetYuzuDeviceGetSupportsVibration()));
+        });
+    }
+    return false;
+}
+
+std::vector<Common::ParamPackage> Android::GetInputDevices() const {
+    std::vector<Common::ParamPackage> devices;
+    auto env = Common::Android::GetEnvForThread();
+    for (const auto& [key, value] : input_devices) {
+        auto name_object = static_cast<jstring>(
+            env->CallObjectMethod(value, Common::Android::GetYuzuDeviceGetName()));
+        const std::string name =
+            fmt::format("{} {}", Common::Android::GetJString(env, name_object), key.port);
+        devices.emplace_back(Common::ParamPackage{
+            {"engine", GetEngineName()},
+            {"display", std::move(name)},
+            {"guid", key.guid.RawString()},
+            {"port", std::to_string(key.port)},
+        });
+    }
+    return devices;
+}
+
+std::set<s32> Android::GetDeviceAxes(JNIEnv* env, jobject& j_device) const {
+    auto j_axes = static_cast<jobjectArray>(
+        env->CallObjectMethod(j_device, Common::Android::GetYuzuDeviceGetAxes()));
+    std::set<s32> axes;
+    for (int i = 0; i < env->GetArrayLength(j_axes); ++i) {
+        jobject axis = env->GetObjectArrayElement(j_axes, i);
+        axes.insert(env->GetIntField(axis, Common::Android::GetIntegerValueField()));
+    }
+    return axes;
+}
+
+Common::ParamPackage Android::BuildParamPackageForAnalog(PadIdentifier identifier, int axis_x,
+                                                         int axis_y) const {
+    Common::ParamPackage params;
+    params.Set("engine", GetEngineName());
+    params.Set("port", static_cast<int>(identifier.port));
+    params.Set("guid", identifier.guid.RawString());
+    params.Set("axis_x", axis_x);
+    params.Set("axis_y", axis_y);
+    params.Set("offset_x", 0);
+    params.Set("offset_y", 0);
+    params.Set("invert_x", "+");
+
+    // Invert Y-Axis by default
+    params.Set("invert_y", "-");
+    return params;
+}
+
+Common::ParamPackage Android::BuildAnalogParamPackageForButton(PadIdentifier identifier, s32 axis,
+                                                               bool invert) const {
+    Common::ParamPackage params{};
+    params.Set("engine", GetEngineName());
+    params.Set("port", static_cast<int>(identifier.port));
+    params.Set("guid", identifier.guid.RawString());
+    params.Set("axis", axis);
+    params.Set("threshold", "0.5");
+    params.Set("invert", invert ? "-" : "+");
+    return params;
+}
+
+Common::ParamPackage Android::BuildButtonParamPackageForButton(PadIdentifier identifier,
+                                                               s32 button) const {
+    Common::ParamPackage params{};
+    params.Set("engine", GetEngineName());
+    params.Set("port", static_cast<int>(identifier.port));
+    params.Set("guid", identifier.guid.RawString());
+    params.Set("button", button);
+    return params;
+}
+
+bool Android::MatchVID(Common::UUID device, const std::vector<std::string>& vids) const {
+    for (size_t i = 0; i < vids.size(); ++i) {
+        auto fucker = device.RawString();
+        if (fucker.find(vids[i]) != std::string::npos) {
+            return true;
+        }
+    }
+    return false;
+}
+
+AnalogMapping Android::GetAnalogMappingForDevice(const Common::ParamPackage& params) {
+    if (!params.Has("guid") || !params.Has("port")) {
+        return {};
+    }
+
+    auto identifier =
+        GetIdentifier(params.Get("guid", ""), static_cast<size_t>(params.Get("port", 0)));
+    auto& j_device = input_devices[identifier];
+    if (j_device == nullptr) {
+        return {};
+    }
+
+    auto env = Common::Android::GetEnvForThread();
+    std::set<s32> axes = GetDeviceAxes(env, j_device);
+    if (axes.size() == 0) {
+        return {};
+    }
+
+    AnalogMapping mapping = {};
+    if (axes.find(AXIS_X) != axes.end() && axes.find(AXIS_Y) != axes.end()) {
+        mapping.insert_or_assign(Settings::NativeAnalog::LStick,
+                                 BuildParamPackageForAnalog(identifier, AXIS_X, AXIS_Y));
+    }
+
+    if (axes.find(AXIS_RX) != axes.end() && axes.find(AXIS_RY) != axes.end()) {
+        mapping.insert_or_assign(Settings::NativeAnalog::RStick,
+                                 BuildParamPackageForAnalog(identifier, AXIS_RX, AXIS_RY));
+    } else if (axes.find(AXIS_Z) != axes.end() && axes.find(AXIS_RZ) != axes.end()) {
+        mapping.insert_or_assign(Settings::NativeAnalog::RStick,
+                                 BuildParamPackageForAnalog(identifier, AXIS_Z, AXIS_RZ));
+    }
+    return mapping;
+}
+
+ButtonMapping Android::GetButtonMappingForDevice(const Common::ParamPackage& params) {
+    if (!params.Has("guid") || !params.Has("port")) {
+        return {};
+    }
+
+    auto identifier =
+        GetIdentifier(params.Get("guid", ""), static_cast<size_t>(params.Get("port", 0)));
+    auto& j_device = input_devices[identifier];
+    if (j_device == nullptr) {
+        return {};
+    }
+
+    auto env = Common::Android::GetEnvForThread();
+    jintArray j_keys = env->NewIntArray(static_cast<int>(keycode_ids.size()));
+    env->SetIntArrayRegion(j_keys, 0, static_cast<int>(keycode_ids.size()), keycode_ids.data());
+    auto j_has_keys_object = static_cast<jbooleanArray>(
+        env->CallObjectMethod(j_device, Common::Android::GetYuzuDeviceHasKeys(), j_keys));
+    jboolean isCopy = false;
+    jboolean* j_has_keys = env->GetBooleanArrayElements(j_has_keys_object, &isCopy);
+
+    std::set<s32> available_keys;
+    for (size_t i = 0; i < keycode_ids.size(); ++i) {
+        if (j_has_keys[i]) {
+            available_keys.insert(keycode_ids[i]);
+        }
+    }
+
+    // Some devices use axes instead of buttons for certain controls so we need all the axes here
+    std::set<s32> axes = GetDeviceAxes(env, j_device);
+
+    ButtonMapping mapping = {};
+    if (axes.find(AXIS_HAT_X) != axes.end() && axes.find(AXIS_HAT_Y) != axes.end()) {
+        mapping.insert_or_assign(Settings::NativeButton::DUp,
+                                 BuildAnalogParamPackageForButton(identifier, AXIS_HAT_Y, true));
+        mapping.insert_or_assign(Settings::NativeButton::DDown,
+                                 BuildAnalogParamPackageForButton(identifier, AXIS_HAT_Y, false));
+        mapping.insert_or_assign(Settings::NativeButton::DLeft,
+                                 BuildAnalogParamPackageForButton(identifier, AXIS_HAT_X, true));
+        mapping.insert_or_assign(Settings::NativeButton::DRight,
+                                 BuildAnalogParamPackageForButton(identifier, AXIS_HAT_X, false));
+    } else if (available_keys.find(KEYCODE_DPAD_UP) != available_keys.end() &&
+               available_keys.find(KEYCODE_DPAD_DOWN) != available_keys.end() &&
+               available_keys.find(KEYCODE_DPAD_LEFT) != available_keys.end() &&
+               available_keys.find(KEYCODE_DPAD_RIGHT) != available_keys.end()) {
+        mapping.insert_or_assign(Settings::NativeButton::DUp,
+                                 BuildButtonParamPackageForButton(identifier, KEYCODE_DPAD_UP));
+        mapping.insert_or_assign(Settings::NativeButton::DDown,
+                                 BuildButtonParamPackageForButton(identifier, KEYCODE_DPAD_DOWN));
+        mapping.insert_or_assign(Settings::NativeButton::DLeft,
+                                 BuildButtonParamPackageForButton(identifier, KEYCODE_DPAD_LEFT));
+        mapping.insert_or_assign(Settings::NativeButton::DRight,
+                                 BuildButtonParamPackageForButton(identifier, KEYCODE_DPAD_RIGHT));
+    }
+
+    if (axes.find(AXIS_LTRIGGER) != axes.end()) {
+        mapping.insert_or_assign(Settings::NativeButton::ZL, BuildAnalogParamPackageForButton(
+                                                                 identifier, AXIS_LTRIGGER, false));
+    } else if (available_keys.find(KEYCODE_BUTTON_L2) != available_keys.end()) {
+        mapping.insert_or_assign(Settings::NativeButton::ZL,
+                                 BuildButtonParamPackageForButton(identifier, KEYCODE_BUTTON_L2));
+    }
+
+    if (axes.find(AXIS_RTRIGGER) != axes.end()) {
+        mapping.insert_or_assign(Settings::NativeButton::ZR, BuildAnalogParamPackageForButton(
+                                                                 identifier, AXIS_RTRIGGER, false));
+    } else if (available_keys.find(KEYCODE_BUTTON_R2) != available_keys.end()) {
+        mapping.insert_or_assign(Settings::NativeButton::ZR,
+                                 BuildButtonParamPackageForButton(identifier, KEYCODE_BUTTON_R2));
+    }
+
+    if (available_keys.find(KEYCODE_BUTTON_A) != available_keys.end()) {
+        if (MatchVID(identifier.guid, flipped_ab_vids)) {
+            mapping.insert_or_assign(Settings::NativeButton::B, BuildButtonParamPackageForButton(
+                                                                    identifier, KEYCODE_BUTTON_A));
+        } else {
+            mapping.insert_or_assign(Settings::NativeButton::A, BuildButtonParamPackageForButton(
+                                                                    identifier, KEYCODE_BUTTON_A));
+        }
+    }
+    if (available_keys.find(KEYCODE_BUTTON_B) != available_keys.end()) {
+        if (MatchVID(identifier.guid, flipped_ab_vids)) {
+            mapping.insert_or_assign(Settings::NativeButton::A, BuildButtonParamPackageForButton(
+                                                                    identifier, KEYCODE_BUTTON_B));
+        } else {
+            mapping.insert_or_assign(Settings::NativeButton::B, BuildButtonParamPackageForButton(
+                                                                    identifier, KEYCODE_BUTTON_B));
+        }
+    }
+    if (available_keys.find(KEYCODE_BUTTON_X) != available_keys.end()) {
+        if (MatchVID(identifier.guid, flipped_xy_vids)) {
+            mapping.insert_or_assign(Settings::NativeButton::Y, BuildButtonParamPackageForButton(
+                                                                    identifier, KEYCODE_BUTTON_X));
+        } else {
+            mapping.insert_or_assign(Settings::NativeButton::X, BuildButtonParamPackageForButton(
+                                                                    identifier, KEYCODE_BUTTON_X));
+        }
+    }
+    if (available_keys.find(KEYCODE_BUTTON_Y) != available_keys.end()) {
+        if (MatchVID(identifier.guid, flipped_xy_vids)) {
+            mapping.insert_or_assign(Settings::NativeButton::X, BuildButtonParamPackageForButton(
+                                                                    identifier, KEYCODE_BUTTON_Y));
+        } else {
+            mapping.insert_or_assign(Settings::NativeButton::Y, BuildButtonParamPackageForButton(
+                                                                    identifier, KEYCODE_BUTTON_Y));
+        }
+    }
+
+    if (available_keys.find(KEYCODE_BUTTON_L1) != available_keys.end()) {
+        mapping.insert_or_assign(Settings::NativeButton::L,
+                                 BuildButtonParamPackageForButton(identifier, KEYCODE_BUTTON_L1));
+    }
+    if (available_keys.find(KEYCODE_BUTTON_R1) != available_keys.end()) {
+        mapping.insert_or_assign(Settings::NativeButton::R,
+                                 BuildButtonParamPackageForButton(identifier, KEYCODE_BUTTON_R1));
+    }
+
+    if (available_keys.find(KEYCODE_BUTTON_THUMBL) != available_keys.end()) {
+        mapping.insert_or_assign(
+            Settings::NativeButton::LStick,
+            BuildButtonParamPackageForButton(identifier, KEYCODE_BUTTON_THUMBL));
+    }
+    if (available_keys.find(KEYCODE_BUTTON_THUMBR) != available_keys.end()) {
+        mapping.insert_or_assign(
+            Settings::NativeButton::RStick,
+            BuildButtonParamPackageForButton(identifier, KEYCODE_BUTTON_THUMBR));
+    }
+
+    if (available_keys.find(KEYCODE_BUTTON_START) != available_keys.end()) {
+        mapping.insert_or_assign(
+            Settings::NativeButton::Plus,
+            BuildButtonParamPackageForButton(identifier, KEYCODE_BUTTON_START));
+    }
+    if (available_keys.find(KEYCODE_BUTTON_SELECT) != available_keys.end()) {
+        mapping.insert_or_assign(
+            Settings::NativeButton::Minus,
+            BuildButtonParamPackageForButton(identifier, KEYCODE_BUTTON_SELECT));
+    }
+
+    return mapping;
+}
+
+Common::Input::ButtonNames Android::GetUIName(
+    [[maybe_unused]] const Common::ParamPackage& params) const {
+    return Common::Input::ButtonNames::Value;
+}
+
+PadIdentifier Android::GetIdentifier(const std::string& guid, size_t port) const {
     return {
-        .guid = Common::UUID{},
-        .port = controller_number,
+        .guid = Common::UUID{guid},
+        .port = port,
         .pad = 0,
     };
 }