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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <cstring>
#include "common/common_types.h"
#include "core/core_timing.h"
#include "core/frontend/emu_window.h"
#include "core/hid/emulated_devices.h"
#include "core/hid/hid_core.h"
#include "core/hle/service/hid/controllers/mouse.h"
namespace Service::HID {
constexpr std::size_t SHARED_MEMORY_OFFSET = 0x3400;
Controller_Mouse::Controller_Mouse(Core::HID::HIDCore& hid_core_) : ControllerBase{hid_core_} {
emulated_devices = hid_core.GetEmulatedDevices();
}
Controller_Mouse::~Controller_Mouse() = default;
void Controller_Mouse::OnInit() {}
void Controller_Mouse::OnRelease() {}
void Controller_Mouse::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data,
std::size_t size) {
if (!IsControllerActivated()) {
mouse_lifo.buffer_count = 0;
mouse_lifo.buffer_tail = 0;
std::memcpy(data + SHARED_MEMORY_OFFSET, &mouse_lifo, sizeof(mouse_lifo));
return;
}
const auto& last_entry = mouse_lifo.ReadCurrentEntry().state;
next_state.sampling_number = last_entry.sampling_number + 1;
next_state.attribute.raw = 0;
if (Settings::values.mouse_enabled) {
const auto& mouse_button_state = emulated_devices->GetMouseButtons();
const auto& mouse_position_state = emulated_devices->GetMousePosition();
next_state.attribute.is_connected.Assign(1);
next_state.x = mouse_position_state.x;
next_state.y = mouse_position_state.y;
next_state.delta_x = next_state.x - last_entry.x;
next_state.delta_y = next_state.y - last_entry.y;
next_state.delta_wheel_x = mouse_position_state.delta_wheel_x;
next_state.delta_wheel_y = mouse_position_state.delta_wheel_y;
next_state.button = mouse_button_state;
}
mouse_lifo.WriteNextEntry(next_state);
std::memcpy(data + SHARED_MEMORY_OFFSET, &mouse_lifo, sizeof(mouse_lifo));
}
} // namespace Service::HID
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