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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/frontend/input.h"
#include "core/hle/service/hid/controllers/touchscreen.h"
#include "core/settings.h"
namespace Service::HID {
constexpr std::size_t SHARED_MEMORY_OFFSET = 0x400;
Controller_Touchscreen::Controller_Touchscreen() = default;
Controller_Touchscreen::~Controller_Touchscreen() = default;
void Controller_Touchscreen::OnInit() {}
void Controller_Touchscreen::OnRelease() {}
void Controller_Touchscreen::OnUpdate(u8* data, std::size_t size) {
shared_memory.header.timestamp = Core::Timing::GetTicks();
shared_memory.header.total_entry_count = 17;
if (!IsControllerActivated()) {
shared_memory.header.entry_count = 0;
shared_memory.header.last_entry_index = 0;
return;
}
shared_memory.header.entry_count = 16;
const auto& last_entry =
shared_memory.shared_memory_entries[shared_memory.header.last_entry_index];
shared_memory.header.last_entry_index = (shared_memory.header.last_entry_index + 1) % 17;
auto& cur_entry = shared_memory.shared_memory_entries[shared_memory.header.last_entry_index];
cur_entry.sampling_number = last_entry.sampling_number + 1;
cur_entry.sampling_number2 = cur_entry.sampling_number;
const auto [x, y, pressed] = touch_device->GetStatus();
auto& touch_entry = cur_entry.states[0];
touch_entry.attribute.raw = 0;
if (pressed && Settings::values.touchscreen.enabled) {
touch_entry.x = static_cast<u16>(x * Layout::ScreenUndocked::Width);
touch_entry.y = static_cast<u16>(y * Layout::ScreenUndocked::Height);
touch_entry.diameter_x = Settings::values.touchscreen.diameter_x;
touch_entry.diameter_y = Settings::values.touchscreen.diameter_y;
touch_entry.rotation_angle = Settings::values.touchscreen.rotation_angle;
const u64 tick = Core::Timing::GetTicks();
touch_entry.delta_time = tick - last_touch;
last_touch = tick;
touch_entry.finger = Settings::values.touchscreen.finger;
cur_entry.entry_count = 1;
} else {
cur_entry.entry_count = 0;
}
std::memcpy(data + SHARED_MEMORY_OFFSET, &shared_memory, sizeof(TouchScreenSharedMemory));
}
void Controller_Touchscreen::OnLoadInputDevices() {
touch_device = Input::CreateDevice<Input::TouchDevice>(Settings::values.touchscreen.device);
}
} // namespace Service::HID
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