aboutsummaryrefslogtreecommitdiff
path: root/src/input_common/drivers/mouse.cpp
blob: aa69216c8d7ead864ad31ba4734e769f3b3be484 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included

#include <stop_token>
#include <thread>
#include <fmt/format.h>

#include "common/param_package.h"
#include "common/settings.h"
#include "common/thread.h"
#include "input_common/drivers/mouse.h"

namespace InputCommon {
constexpr int mouse_axis_x = 0;
constexpr int mouse_axis_y = 1;
constexpr int wheel_axis_x = 2;
constexpr int wheel_axis_y = 3;
constexpr int touch_axis_x = 10;
constexpr int touch_axis_y = 11;
constexpr PadIdentifier identifier = {
    .guid = Common::UUID{Common::INVALID_UUID},
    .port = 0,
    .pad = 0,
};

Mouse::Mouse(std::string input_engine_) : InputEngine(std::move(input_engine_)) {
    PreSetController(identifier);
    PreSetAxis(identifier, mouse_axis_x);
    PreSetAxis(identifier, mouse_axis_y);
    PreSetAxis(identifier, wheel_axis_x);
    PreSetAxis(identifier, wheel_axis_y);
    PreSetAxis(identifier, touch_axis_x);
    PreSetAxis(identifier, touch_axis_x);
    update_thread = std::jthread([this](std::stop_token stop_token) { UpdateThread(stop_token); });
}

void Mouse::UpdateThread(std::stop_token stop_token) {
    Common::SetCurrentThreadName("yuzu:input:Mouse");
    constexpr int update_time = 10;
    while (!stop_token.stop_requested()) {
        if (Settings::values.mouse_panning && !Settings::values.mouse_enabled) {
            // Slow movement by 4%
            last_mouse_change *= 0.96f;
            const float sensitivity =
                Settings::values.mouse_panning_sensitivity.GetValue() * 0.022f;
            SetAxis(identifier, mouse_axis_x, last_mouse_change.x * sensitivity);
            SetAxis(identifier, mouse_axis_y, -last_mouse_change.y * sensitivity);
        }

        if (mouse_panning_timout++ > 20) {
            StopPanning();
        }
        std::this_thread::sleep_for(std::chrono::milliseconds(update_time));
    }
}

void Mouse::MouseMove(int x, int y, f32 touch_x, f32 touch_y, int center_x, int center_y) {
    // If native mouse is enabled just set the screen coordinates
    if (Settings::values.mouse_enabled) {
        SetAxis(identifier, mouse_axis_x, touch_x);
        SetAxis(identifier, mouse_axis_y, touch_y);
        return;
    }

    SetAxis(identifier, touch_axis_x, touch_x);
    SetAxis(identifier, touch_axis_y, touch_y);

    if (Settings::values.mouse_panning) {
        auto mouse_change =
            (Common::MakeVec(x, y) - Common::MakeVec(center_x, center_y)).Cast<float>();
        mouse_panning_timout = 0;

        const auto move_distance = mouse_change.Length();
        if (move_distance == 0) {
            return;
        }

        // Make slow movements at least 3 units on lenght
        if (move_distance < 3.0f) {
            // Normalize value
            mouse_change /= move_distance;
            mouse_change *= 3.0f;
        }

        // Average mouse movements
        last_mouse_change = (last_mouse_change * 0.91f) + (mouse_change * 0.09f);

        const auto last_move_distance = last_mouse_change.Length();

        // Make fast movements clamp to 8 units on lenght
        if (last_move_distance > 8.0f) {
            // Normalize value
            last_mouse_change /= last_move_distance;
            last_mouse_change *= 8.0f;
        }

        // Ignore average if it's less than 1 unit and use current movement value
        if (last_move_distance < 1.0f) {
            last_mouse_change = mouse_change / mouse_change.Length();
        }

        return;
    }

    if (button_pressed) {
        const auto mouse_move = Common::MakeVec<int>(x, y) - mouse_origin;
        const float sensitivity = Settings::values.mouse_panning_sensitivity.GetValue() * 0.0012f;
        SetAxis(identifier, mouse_axis_x, static_cast<float>(mouse_move.x) * sensitivity);
        SetAxis(identifier, mouse_axis_y, static_cast<float>(-mouse_move.y) * sensitivity);
    }
}

void Mouse::PressButton(int x, int y, f32 touch_x, f32 touch_y, MouseButton button) {
    SetAxis(identifier, touch_axis_x, touch_x);
    SetAxis(identifier, touch_axis_y, touch_y);
    SetButton(identifier, static_cast<int>(button), true);
    // Set initial analog parameters
    mouse_origin = {x, y};
    last_mouse_position = {x, y};
    button_pressed = true;
}

void Mouse::ReleaseButton(MouseButton button) {
    SetButton(identifier, static_cast<int>(button), false);

    if (!Settings::values.mouse_panning && !Settings::values.mouse_enabled) {
        SetAxis(identifier, mouse_axis_x, 0);
        SetAxis(identifier, mouse_axis_y, 0);
    }
    button_pressed = false;
}

void Mouse::MouseWheelChange(int x, int y) {
    wheel_position.x += x;
    wheel_position.y += y;
    SetAxis(identifier, wheel_axis_x, static_cast<f32>(wheel_position.x));
    SetAxis(identifier, wheel_axis_y, static_cast<f32>(wheel_position.y));
}

void Mouse::ReleaseAllButtons() {
    ResetButtonState();
    button_pressed = false;
}

void Mouse::StopPanning() {
    last_mouse_change = {};
}

std::vector<Common::ParamPackage> Mouse::GetInputDevices() const {
    std::vector<Common::ParamPackage> devices;
    devices.emplace_back(Common::ParamPackage{
        {"engine", GetEngineName()},
        {"display", "Keyboard/Mouse"},
    });
    return devices;
}

AnalogMapping Mouse::GetAnalogMappingForDevice(
    [[maybe_unused]] const Common::ParamPackage& params) {
    // Only overwrite different buttons from default
    AnalogMapping mapping = {};
    Common::ParamPackage right_analog_params;
    right_analog_params.Set("engine", GetEngineName());
    right_analog_params.Set("axis_x", 0);
    right_analog_params.Set("axis_y", 1);
    right_analog_params.Set("threshold", 0.5f);
    right_analog_params.Set("range", 1.0f);
    right_analog_params.Set("deadzone", 0.0f);
    mapping.insert_or_assign(Settings::NativeAnalog::RStick, std::move(right_analog_params));
    return mapping;
}

Common::Input::ButtonNames Mouse::GetUIName(const Common::ParamPackage& params) const {
    if (params.Has("button")) {
        return Common::Input::ButtonNames::Value;
    }
    if (params.Has("axis")) {
        return Common::Input::ButtonNames::Value;
    }

    return Common::Input::ButtonNames::Invalid;
}

} // namespace InputCommon