mirror of
https://github.com/minetest/minetest.git
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259 lines
7.3 KiB
C++
259 lines
7.3 KiB
C++
/*
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Minetest
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Copyright (C) 2016 est31, <MTest31@outlook.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "joystick_controller.h"
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#include "irrlichttypes_extrabloated.h"
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#include "keys.h"
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#include "settings.h"
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#include "gettime.h"
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#include "porting.h"
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#include "util/string.h"
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bool JoystickButtonCmb::isTriggered(const irr::SEvent::SJoystickEvent &ev) const
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{
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u32 buttons = ev.ButtonStates;
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buttons &= filter_mask;
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return buttons == compare_mask;
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}
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bool JoystickAxisCmb::isTriggered(const irr::SEvent::SJoystickEvent &ev) const
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{
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s16 ax_val = ev.Axis[axis_to_compare];
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return (ax_val * direction < 0) && (thresh * direction > ax_val * direction);
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}
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// spares many characters
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#define JLO_B_PB(A, B, C) jlo.button_keys.emplace_back(A, B, C)
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#define JLO_A_PB(A, B, C, D) jlo.axis_keys.emplace_back(A, B, C, D)
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JoystickLayout create_default_layout()
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{
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JoystickLayout jlo;
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jlo.axes_dead_border = 1024;
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const JoystickAxisLayout axes[JA_COUNT] = {
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{0, 1}, // JA_SIDEWARD_MOVE
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{1, 1}, // JA_FORWARD_MOVE
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{3, 1}, // JA_FRUSTUM_HORIZONTAL
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{4, 1}, // JA_FRUSTUM_VERTICAL
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};
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memcpy(jlo.axes, axes, sizeof(jlo.axes));
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u32 sb = 1 << 7; // START button mask
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u32 fb = 1 << 3; // FOUR button mask
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u32 bm = sb | fb; // Mask for Both Modifiers
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// The back button means "ESC".
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JLO_B_PB(KeyType::ESC, 1 << 6, 1 << 6);
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// The start button counts as modifier as well as use key.
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// JLO_B_PB(KeyType::USE, sb, sb));
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// Accessible without start modifier button pressed
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// regardless whether four is pressed or not
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JLO_B_PB(KeyType::SNEAK, sb | 1 << 2, 1 << 2);
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// Accessible without four modifier button pressed
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// regardless whether start is pressed or not
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JLO_B_PB(KeyType::MOUSE_L, fb | 1 << 4, 1 << 4);
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JLO_B_PB(KeyType::MOUSE_R, fb | 1 << 5, 1 << 5);
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// Accessible without any modifier pressed
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JLO_B_PB(KeyType::JUMP, bm | 1 << 0, 1 << 0);
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JLO_B_PB(KeyType::SPECIAL1, bm | 1 << 1, 1 << 1);
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// Accessible with start button not pressed, but four pressed
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// TODO find usage for button 0
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JLO_B_PB(KeyType::DROP, bm | 1 << 1, fb | 1 << 1);
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JLO_B_PB(KeyType::SCROLL_UP, bm | 1 << 4, fb | 1 << 4);
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JLO_B_PB(KeyType::SCROLL_DOWN,bm | 1 << 5, fb | 1 << 5);
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// Accessible with start button and four pressed
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// TODO find usage for buttons 0, 1 and 4, 5
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// Now about the buttons simulated by the axes
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// Movement buttons, important for vessels
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JLO_A_PB(KeyType::FORWARD, 1, 1, 1024);
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JLO_A_PB(KeyType::BACKWARD, 1, -1, 1024);
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JLO_A_PB(KeyType::LEFT, 0, 1, 1024);
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JLO_A_PB(KeyType::RIGHT, 0, -1, 1024);
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// Scroll buttons
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JLO_A_PB(KeyType::SCROLL_UP, 2, -1, 1024);
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JLO_A_PB(KeyType::SCROLL_DOWN, 5, -1, 1024);
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return jlo;
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}
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JoystickLayout create_xbox_layout()
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{
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JoystickLayout jlo;
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jlo.axes_dead_border = 7000;
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const JoystickAxisLayout axes[JA_COUNT] = {
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{0, 1}, // JA_SIDEWARD_MOVE
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{1, 1}, // JA_FORWARD_MOVE
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{2, 1}, // JA_FRUSTUM_HORIZONTAL
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{3, 1}, // JA_FRUSTUM_VERTICAL
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};
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memcpy(jlo.axes, axes, sizeof(jlo.axes));
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// The back button means "ESC".
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JLO_B_PB(KeyType::ESC, 1 << 8, 1 << 8); // back
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JLO_B_PB(KeyType::ESC, 1 << 9, 1 << 9); // start
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// 4 Buttons
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JLO_B_PB(KeyType::JUMP, 1 << 0, 1 << 0); // A/green
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JLO_B_PB(KeyType::ESC, 1 << 1, 1 << 1); // B/red
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JLO_B_PB(KeyType::SPECIAL1, 1 << 2, 1 << 2); // X/blue
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JLO_B_PB(KeyType::INVENTORY, 1 << 3, 1 << 3); // Y/yellow
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// Analog Sticks
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JLO_B_PB(KeyType::SPECIAL1, 1 << 11, 1 << 11); // left
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JLO_B_PB(KeyType::SNEAK, 1 << 12, 1 << 12); // right
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// Triggers
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JLO_B_PB(KeyType::MOUSE_L, 1 << 6, 1 << 6); // lt
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JLO_B_PB(KeyType::MOUSE_R, 1 << 7, 1 << 7); // rt
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JLO_B_PB(KeyType::SCROLL_UP, 1 << 4, 1 << 4); // lb
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JLO_B_PB(KeyType::SCROLL_DOWN, 1 << 5, 1 << 5); // rb
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// D-PAD
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JLO_B_PB(KeyType::ZOOM, 1 << 15, 1 << 15); // up
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JLO_B_PB(KeyType::DROP, 1 << 13, 1 << 13); // left
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JLO_B_PB(KeyType::SCREENSHOT, 1 << 14, 1 << 14); // right
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JLO_B_PB(KeyType::FREEMOVE, 1 << 16, 1 << 16); // down
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// Movement buttons, important for vessels
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JLO_A_PB(KeyType::FORWARD, 1, 1, 1024);
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JLO_A_PB(KeyType::BACKWARD, 1, -1, 1024);
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JLO_A_PB(KeyType::LEFT, 0, 1, 1024);
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JLO_A_PB(KeyType::RIGHT, 0, -1, 1024);
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return jlo;
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}
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JoystickController::JoystickController() :
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doubling_dtime(g_settings->getFloat("repeat_joystick_button_time"))
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{
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for (float &i : m_past_pressed_time) {
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i = 0;
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}
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clear();
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}
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void JoystickController::onJoystickConnect(const std::vector<irr::SJoystickInfo> &joystick_infos)
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{
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s32 id = g_settings->getS32("joystick_id");
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std::string layout = g_settings->get("joystick_type");
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if (id < 0 || (u16)id >= joystick_infos.size()) {
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// TODO: auto detection
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id = 0;
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}
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if (id >= 0 && (u16)id < joystick_infos.size()) {
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if (layout.empty() || layout == "auto")
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setLayoutFromControllerName(joystick_infos[id].Name.c_str());
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else
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setLayoutFromControllerName(layout);
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}
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m_joystick_id = id;
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}
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void JoystickController::setLayoutFromControllerName(const std::string &name)
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{
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if (lowercase(name).find("xbox") != std::string::npos) {
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m_layout = create_xbox_layout();
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} else {
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m_layout = create_default_layout();
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}
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}
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bool JoystickController::handleEvent(const irr::SEvent::SJoystickEvent &ev)
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{
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if (ev.Joystick != m_joystick_id)
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return false;
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m_internal_time = porting::getTimeMs() / 1000.f;
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std::bitset<KeyType::INTERNAL_ENUM_COUNT> keys_pressed;
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// First generate a list of keys pressed
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for (const auto &button_key : m_layout.button_keys) {
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if (button_key.isTriggered(ev)) {
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keys_pressed.set(button_key.key);
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}
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}
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for (const auto &axis_key : m_layout.axis_keys) {
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if (axis_key.isTriggered(ev)) {
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keys_pressed.set(axis_key.key);
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}
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}
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// Then update the values
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for (size_t i = 0; i < KeyType::INTERNAL_ENUM_COUNT; i++) {
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if (keys_pressed[i]) {
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if (!m_past_pressed_keys[i] &&
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m_past_pressed_time[i] < m_internal_time - doubling_dtime) {
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m_past_pressed_keys[i] = true;
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m_past_pressed_time[i] = m_internal_time;
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}
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} else if (m_pressed_keys[i]) {
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m_past_released_keys[i] = true;
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}
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m_pressed_keys[i] = keys_pressed[i];
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}
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for (size_t i = 0; i < JA_COUNT; i++) {
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const JoystickAxisLayout &ax_la = m_layout.axes[i];
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m_axes_vals[i] = ax_la.invert * ev.Axis[ax_la.axis_id];
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}
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return true;
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}
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void JoystickController::clear()
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{
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m_pressed_keys.reset();
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m_past_pressed_keys.reset();
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m_past_released_keys.reset();
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memset(m_axes_vals, 0, sizeof(m_axes_vals));
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}
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s16 JoystickController::getAxisWithoutDead(JoystickAxis axis)
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{
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s16 v = m_axes_vals[axis];
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if (((v > 0) && (v < m_layout.axes_dead_border)) ||
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((v < 0) && (v > -m_layout.axes_dead_border)))
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return 0;
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return v;
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}
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