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author | bunnei <bunneidev@gmail.com> | 2020-11-30 07:59:50 +0100 |
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committer | GitHub <noreply@github.com> | 2020-11-30 07:59:50 +0100 |
commit | 7bc3e80399d62aabe4acbba094d0fff23a187186 (patch) | |
tree | ac12ca41f34fdda51992fedfeb55b169dedcfcaf /src/input_common/motion_emu.cpp | |
parent | Merge pull request #5005 from ReinUsesLisp/div-ceil (diff) | |
parent | Implement full mouse support (diff) | |
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Diffstat (limited to 'src/input_common/motion_emu.cpp')
-rw-r--r-- | src/input_common/motion_emu.cpp | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/src/input_common/motion_emu.cpp b/src/input_common/motion_emu.cpp deleted file mode 100644 index d4da5596b..000000000 --- a/src/input_common/motion_emu.cpp +++ /dev/null @@ -1,179 +0,0 @@ -// Copyright 2017 Citra Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include <algorithm> -#include <chrono> -#include <mutex> -#include <thread> -#include <tuple> -#include "common/math_util.h" -#include "common/quaternion.h" -#include "common/thread.h" -#include "common/vector_math.h" -#include "input_common/motion_emu.h" - -namespace InputCommon { - -// Implementation class of the motion emulation device -class MotionEmuDevice { -public: - explicit MotionEmuDevice(int update_millisecond_, float sensitivity_) - : update_millisecond(update_millisecond_), - update_duration(std::chrono::duration_cast<std::chrono::steady_clock::duration>( - std::chrono::milliseconds(update_millisecond))), - sensitivity(sensitivity_), motion_emu_thread(&MotionEmuDevice::MotionEmuThread, this) {} - - ~MotionEmuDevice() { - if (motion_emu_thread.joinable()) { - shutdown_event.Set(); - motion_emu_thread.join(); - } - } - - void BeginTilt(int x, int y) { - mouse_origin = Common::MakeVec(x, y); - is_tilting = true; - } - - void Tilt(int x, int y) { - if (!is_tilting) { - return; - } - - std::lock_guard guard{tilt_mutex}; - const auto mouse_move = Common::MakeVec(x, y) - mouse_origin; - if (mouse_move.x == 0 && mouse_move.y == 0) { - tilt_angle = 0; - } else { - tilt_direction = mouse_move.Cast<float>(); - tilt_angle = - std::clamp(tilt_direction.Normalize() * sensitivity, 0.0f, Common::PI * 0.5f); - } - } - - void EndTilt() { - std::lock_guard guard{tilt_mutex}; - tilt_angle = 0; - is_tilting = false; - } - - Input::MotionStatus GetStatus() { - std::lock_guard guard{status_mutex}; - return status; - } - -private: - const int update_millisecond; - const std::chrono::steady_clock::duration update_duration; - const float sensitivity; - - Common::Vec2<int> mouse_origin; - - std::mutex tilt_mutex; - Common::Vec2<float> tilt_direction; - float tilt_angle = 0; - - bool is_tilting = false; - - Common::Event shutdown_event; - - Input::MotionStatus status; - std::mutex status_mutex; - - // Note: always keep the thread declaration at the end so that other objects are initialized - // before this! - std::thread motion_emu_thread; - - void MotionEmuThread() { - auto update_time = std::chrono::steady_clock::now(); - Common::Quaternion<float> q = Common::MakeQuaternion(Common::Vec3<float>(), 0); - - while (!shutdown_event.WaitUntil(update_time)) { - update_time += update_duration; - const Common::Quaternion<float> old_q = q; - - { - std::lock_guard guard{tilt_mutex}; - - // Find the quaternion describing current 3DS tilting - q = Common::MakeQuaternion( - Common::MakeVec(-tilt_direction.y, 0.0f, tilt_direction.x), tilt_angle); - } - - const auto inv_q = q.Inverse(); - - // Set the gravity vector in world space - auto gravity = Common::MakeVec(0.0f, -1.0f, 0.0f); - - // Find the angular rate vector in world space - auto angular_rate = ((q - old_q) * inv_q).xyz * 2; - angular_rate *= static_cast<float>(1000 / update_millisecond) / Common::PI * 180.0f; - - // Transform the two vectors from world space to 3DS space - gravity = QuaternionRotate(inv_q, gravity); - angular_rate = QuaternionRotate(inv_q, angular_rate); - - // TODO: Calculate the correct rotation vector and orientation matrix - const auto matrix4x4 = q.ToMatrix(); - const auto rotation = Common::MakeVec(0.0f, 0.0f, 0.0f); - const std::array orientation{ - Common::Vec3f(matrix4x4[0], matrix4x4[1], -matrix4x4[2]), - Common::Vec3f(matrix4x4[4], matrix4x4[5], -matrix4x4[6]), - Common::Vec3f(-matrix4x4[8], -matrix4x4[9], matrix4x4[10]), - }; - - // Update the sensor state - { - std::lock_guard guard{status_mutex}; - status = std::make_tuple(gravity, angular_rate, rotation, orientation); - } - } - } -}; - -// Interface wrapper held by input receiver as a unique_ptr. It holds the implementation class as -// a shared_ptr, which is also observed by the factory class as a weak_ptr. In this way the factory -// can forward all the inputs to the implementation only when it is valid. -class MotionEmuDeviceWrapper : public Input::MotionDevice { -public: - explicit MotionEmuDeviceWrapper(int update_millisecond, float sensitivity) { - device = std::make_shared<MotionEmuDevice>(update_millisecond, sensitivity); - } - - Input::MotionStatus GetStatus() const override { - return device->GetStatus(); - } - - std::shared_ptr<MotionEmuDevice> device; -}; - -std::unique_ptr<Input::MotionDevice> MotionEmu::Create(const Common::ParamPackage& params) { - const int update_period = params.Get("update_period", 100); - const float sensitivity = params.Get("sensitivity", 0.01f); - auto device_wrapper = std::make_unique<MotionEmuDeviceWrapper>(update_period, sensitivity); - // Previously created device is disconnected here. Having two motion devices for 3DS is not - // expected. - current_device = device_wrapper->device; - return device_wrapper; -} - -void MotionEmu::BeginTilt(int x, int y) { - if (auto ptr = current_device.lock()) { - ptr->BeginTilt(x, y); - } -} - -void MotionEmu::Tilt(int x, int y) { - if (auto ptr = current_device.lock()) { - ptr->Tilt(x, y); - } -} - -void MotionEmu::EndTilt() { - if (auto ptr = current_device.lock()) { - ptr->EndTilt(); - } -} - -} // namespace InputCommon |