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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"
#include "porting.h"
#include "util/string.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 < -thresh);
}
// spares many characters
#define JLO_B_PB(A, B, C) jlo.button_keys.emplace_back(A, B, C)
#define JLO_A_PB(A, B, C, D) jlo.axis_keys.emplace_back(A, B, C, D)
JoystickLayout create_default_layout()
{
JoystickLayout jlo;
jlo.axes_deadzone = g_settings->getU16("joystick_deadzone");
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::DIG, fb | 1 << 4, 1 << 4);
JLO_B_PB(KeyType::PLACE, fb | 1 << 5, 1 << 5);
// Accessible without any modifier pressed
JLO_B_PB(KeyType::JUMP, bm | 1 << 0, 1 << 0);
JLO_B_PB(KeyType::AUX1, 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::HOTBAR_PREV, bm | 1 << 4, fb | 1 << 4);
JLO_B_PB(KeyType::HOTBAR_NEXT, 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, jlo.axes_deadzone);
JLO_A_PB(KeyType::BACKWARD, 1, -1, jlo.axes_deadzone);
JLO_A_PB(KeyType::LEFT, 0, 1, jlo.axes_deadzone);
JLO_A_PB(KeyType::RIGHT, 0, -1, jlo.axes_deadzone);
// Scroll buttons
JLO_A_PB(KeyType::HOTBAR_PREV, 2, -1, jlo.axes_deadzone);
JLO_A_PB(KeyType::HOTBAR_NEXT, 5, -1, jlo.axes_deadzone);
return jlo;
}
JoystickLayout create_xbox_layout()
{
JoystickLayout jlo;
jlo.axes_deadzone = 7000;
const JoystickAxisLayout axes[JA_COUNT] = {
{0, 1}, // JA_SIDEWARD_MOVE
{1, 1}, // JA_FORWARD_MOVE
{2, 1}, // JA_FRUSTUM_HORIZONTAL
{3, 1}, // JA_FRUSTUM_VERTICAL
};
memcpy(jlo.axes, axes, sizeof(jlo.axes));
// The back button means "ESC".
JLO_B_PB(KeyType::ESC, 1 << 8, 1 << 8); // back
JLO_B_PB(KeyType::ESC, 1 << 9, 1 << 9); // start
// 4 Buttons
JLO_B_PB(KeyType::JUMP, 1 << 0, 1 << 0); // A/green
JLO_B_PB(KeyType::ESC, 1 << 1, 1 << 1); // B/red
JLO_B_PB(KeyType::AUX1, 1 << 2, 1 << 2); // X/blue
JLO_B_PB(KeyType::INVENTORY, 1 << 3, 1 << 3); // Y/yellow
// Analog Sticks
JLO_B_PB(KeyType::AUX1, 1 << 11, 1 << 11); // left
JLO_B_PB(KeyType::SNEAK, 1 << 12, 1 << 12); // right
// Triggers
JLO_B_PB(KeyType::DIG, 1 << 6, 1 << 6); // lt
JLO_B_PB(KeyType::PLACE, 1 << 7, 1 << 7); // rt
JLO_B_PB(KeyType::HOTBAR_PREV, 1 << 4, 1 << 4); // lb
JLO_B_PB(KeyType::HOTBAR_NEXT, 1 << 5, 1 << 5); // rb
// D-PAD
JLO_B_PB(KeyType::ZOOM, 1 << 15, 1 << 15); // up
JLO_B_PB(KeyType::DROP, 1 << 13, 1 << 13); // left
JLO_B_PB(KeyType::SCREENSHOT, 1 << 14, 1 << 14); // right
JLO_B_PB(KeyType::FREEMOVE, 1 << 16, 1 << 16); // down
// Movement buttons, important for vessels
JLO_A_PB(KeyType::FORWARD, 1, 1, jlo.axes_deadzone);
JLO_A_PB(KeyType::BACKWARD, 1, -1, jlo.axes_deadzone);
JLO_A_PB(KeyType::LEFT, 0, 1, jlo.axes_deadzone);
JLO_A_PB(KeyType::RIGHT, 0, -1, jlo.axes_deadzone);
return jlo;
}
JoystickController::JoystickController() :
doubling_dtime(g_settings->getFloat("repeat_joystick_button_time"))
{
for (float &i : m_past_pressed_time) {
i = 0;
}
clear();
}
void JoystickController::onJoystickConnect(const std::vector<irr::SJoystickInfo> &joystick_infos)
{
s32 id = g_settings->getS32("joystick_id");
std::string layout = g_settings->get("joystick_type");
if (id < 0 || (u16)id >= joystick_infos.size()) {
// TODO: auto detection
id = 0;
}
if (id >= 0 && (u16)id < joystick_infos.size()) {
if (layout.empty() || layout == "auto")
setLayoutFromControllerName(joystick_infos[id].Name.c_str());
else
setLayoutFromControllerName(layout);
}
m_joystick_id = id;
}
void JoystickController::setLayoutFromControllerName(const std::string &name)
{
if (lowercase(name).find("xbox") != std::string::npos) {
m_layout = create_xbox_layout();
} else {
m_layout = create_default_layout();
}
}
bool JoystickController::handleEvent(const irr::SEvent::SJoystickEvent &ev)
{
if (ev.Joystick != m_joystick_id)
return false;
m_internal_time = porting::getTimeMs() / 1000.f;
std::bitset<KeyType::INTERNAL_ENUM_COUNT> keys_pressed;
// First generate a list of keys pressed
for (const auto &button_key : m_layout.button_keys) {
if (button_key.isTriggered(ev)) {
keys_pressed.set(button_key.key);
}
}
for (const auto &axis_key : m_layout.axis_keys) {
if (axis_key.isTriggered(ev)) {
keys_pressed.set(axis_key.key);
}
}
// Then update the values
for (size_t i = 0; i < KeyType::INTERNAL_ENUM_COUNT; i++) {
if (keys_pressed[i]) {
if (!m_past_keys_pressed[i] &&
m_past_pressed_time[i] < m_internal_time - doubling_dtime) {
m_past_keys_pressed[i] = true;
m_past_pressed_time[i] = m_internal_time;
}
} else if (m_keys_down[i]) {
m_keys_released[i] = true;
}
if (keys_pressed[i] && !(m_keys_down[i]))
m_keys_pressed[i] = true;
m_keys_down[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_keys_pressed.reset();
m_keys_down.reset();
m_past_keys_pressed.reset();
m_keys_released.reset();
memset(m_axes_vals, 0, sizeof(m_axes_vals));
}
s16 JoystickController::getAxisWithoutDead(JoystickAxis axis)
{
s16 v = m_axes_vals[axis];
if (abs(v) < m_layout.axes_deadzone)
return 0;
return v;
}
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