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- /*
- Minetest
- Copyright (C) 2016 est31, <MTest31@outlook.com>
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #include "joystick_controller.h"
- #include "irrlichttypes_extrabloated.h"
- #include "keys.h"
- #include "settings.h"
- #include "gettime.h"
- bool JoystickButtonCmb::isTriggered(const irr::SEvent::SJoystickEvent &ev) const
- {
- u32 buttons = ev.ButtonStates;
- buttons &= filter_mask;
- return buttons == compare_mask;
- }
- bool JoystickAxisCmb::isTriggered(const irr::SEvent::SJoystickEvent &ev) const
- {
- s16 ax_val = ev.Axis[axis_to_compare];
- return (ax_val * direction < 0) && (thresh * direction > ax_val * direction);
- }
- // spares many characters
- #define JLO_B_PB(A, B, C) jlo.button_keys.push_back(JoystickButtonCmb(A, B, C))
- #define JLO_A_PB(A, B, C, D) jlo.axis_keys.push_back(JoystickAxisCmb(A, B, C, D))
- static JoystickLayout create_default_layout()
- {
- JoystickLayout jlo;
- jlo.axes_dead_border = 1024;
- const JoystickAxisLayout axes[JA_COUNT] = {
- {0, 1}, // JA_SIDEWARD_MOVE
- {1, 1}, // JA_FORWARD_MOVE
- {3, 1}, // JA_FRUSTUM_HORIZONTAL
- {4, 1}, // JA_FRUSTUM_VERTICAL
- };
- memcpy(jlo.axes, axes, sizeof(jlo.axes));
- u32 sb = 1 << 7; // START button mask
- u32 fb = 1 << 3; // FOUR button mask
- u32 bm = sb | fb; // Mask for Both Modifiers
- // The back button means "ESC".
- JLO_B_PB(KeyType::ESC, 1 << 6, 1 << 6);
- // The start button counts as modifier as well as use key.
- // JLO_B_PB(KeyType::USE, sb, sb));
- // Accessible without start modifier button pressed
- // regardless whether four is pressed or not
- JLO_B_PB(KeyType::SNEAK, sb | 1 << 2, 1 << 2);
- // Accessible without four modifier button pressed
- // regardless whether start is pressed or not
- JLO_B_PB(KeyType::MOUSE_L, fb | 1 << 4, 1 << 4);
- JLO_B_PB(KeyType::MOUSE_R, fb | 1 << 5, 1 << 5);
- // Accessible without any modifier pressed
- JLO_B_PB(KeyType::JUMP, bm | 1 << 0, 1 << 0);
- JLO_B_PB(KeyType::SPECIAL1, bm | 1 << 1, 1 << 1);
- // Accessible with start button not pressed, but four pressed
- // TODO find usage for button 0
- JLO_B_PB(KeyType::DROP, bm | 1 << 1, fb | 1 << 1);
- JLO_B_PB(KeyType::SCROLL_UP, bm | 1 << 4, fb | 1 << 4);
- JLO_B_PB(KeyType::SCROLL_DOWN,bm | 1 << 5, fb | 1 << 5);
- // Accessible with start button and four pressed
- // TODO find usage for buttons 0, 1 and 4, 5
- // Now about the buttons simulated by the axes
- // Movement buttons, important for vessels
- JLO_A_PB(KeyType::FORWARD, 1, 1, 1024);
- JLO_A_PB(KeyType::BACKWARD, 1, -1, 1024);
- JLO_A_PB(KeyType::LEFT, 0, 1, 1024);
- JLO_A_PB(KeyType::RIGHT, 0, -1, 1024);
- // Scroll buttons
- JLO_A_PB(KeyType::SCROLL_UP, 2, -1, 1024);
- JLO_A_PB(KeyType::SCROLL_DOWN, 5, -1, 1024);
- return jlo;
- }
- static const JoystickLayout default_layout = create_default_layout();
- JoystickController::JoystickController()
- {
- m_layout = &default_layout;
- doubling_dtime = g_settings->getFloat("repeat_joystick_button_time");
- for (size_t i = 0; i < KeyType::INTERNAL_ENUM_COUNT; i++) {
- m_past_pressed_time[i] = 0;
- }
- clear();
- }
- bool JoystickController::handleEvent(const irr::SEvent::SJoystickEvent &ev)
- {
- m_internal_time = getTimeMs() / 1000.f;
- std::bitset<KeyType::INTERNAL_ENUM_COUNT> keys_pressed;
- // First generate a list of keys pressed
- for (size_t i = 0; i < m_layout->button_keys.size(); i++) {
- if (m_layout->button_keys[i].isTriggered(ev)) {
- keys_pressed.set(m_layout->button_keys[i].key);
- }
- }
- for (size_t i = 0; i < m_layout->axis_keys.size(); i++) {
- if (m_layout->axis_keys[i].isTriggered(ev)) {
- keys_pressed.set(m_layout->axis_keys[i].key);
- }
- }
- // Then update the values
- for (size_t i = 0; i < KeyType::INTERNAL_ENUM_COUNT; i++) {
- if (keys_pressed[i]) {
- if (!m_past_pressed_keys[i] &&
- m_past_pressed_time[i] < m_internal_time - doubling_dtime) {
- m_past_pressed_keys[i] = true;
- m_past_pressed_time[i] = m_internal_time;
- }
- } else if (m_pressed_keys[i]) {
- m_past_released_keys[i] = true;
- }
- m_pressed_keys[i] = keys_pressed[i];
- }
- for (size_t i = 0; i < JA_COUNT; i++) {
- const JoystickAxisLayout &ax_la = m_layout->axes[i];
- m_axes_vals[i] = ax_la.invert * ev.Axis[ax_la.axis_id];
- }
- return true;
- }
- void JoystickController::clear()
- {
- m_pressed_keys.reset();
- m_past_pressed_keys.reset();
- m_past_released_keys.reset();
- memset(m_axes_vals, 0, sizeof(m_axes_vals));
- }
- s16 JoystickController::getAxisWithoutDead(JoystickAxis axis)
- {
- s16 v = m_axes_vals[axis];
- if (((v > 0) && (v < m_layout->axes_dead_border)) ||
- ((v < 0) && (v > -m_layout->axes_dead_border)))
- return 0;
- return v;
- }
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