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Diffstat (limited to 'src/client/joystick_controller.cpp')
| -rw-r--r-- | src/client/joystick_controller.cpp | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/src/client/joystick_controller.cpp b/src/client/joystick_controller.cpp new file mode 100644 index 000000000..ef8d18ab0 --- /dev/null +++ b/src/client/joystick_controller.cpp @@ -0,0 +1,179 @@ +/* +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; +} |