--- /dev/null
+/*
+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;
+}
projects / dragonfireclient.git / blobdiff