Support SDL2 half axes and inverted axes mappings.
This commit is contained in:
Marcel Admiraal
parent
804b53bdbb
commit
ebff150680
@ -392,6 +392,7 @@ void register_global_constants() {
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BIND_GLOBAL_ENUM_CONSTANT(BUTTON_MASK_XBUTTON2);
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//joypads
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BIND_GLOBAL_ENUM_CONSTANT(JOY_INVALID_OPTION);
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BIND_GLOBAL_ENUM_CONSTANT(JOY_BUTTON_0);
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BIND_GLOBAL_ENUM_CONSTANT(JOY_BUTTON_1);
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BIND_GLOBAL_ENUM_CONSTANT(JOY_BUTTON_2);
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@ -61,6 +61,8 @@ enum ButtonList {
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enum JoystickList {
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JOY_INVALID_OPTION = -1,
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JOY_BUTTON_0 = 0,
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JOY_BUTTON_1 = 1,
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JOY_BUTTON_2 = 2,
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@ -937,6 +937,9 @@
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<constant name="BUTTON_MASK_XBUTTON2" value="256" enum="ButtonList">
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Extra mouse button 2 mask.
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</constant>
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<constant name="JOY_INVALID_OPTION" value="-1" enum="JoystickList">
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Invalid button or axis.
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</constant>
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<constant name="JOY_BUTTON_0" value="0" enum="JoystickList">
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Gamepad button 0.
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</constant>
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@ -709,22 +709,6 @@ InputDefault::InputDefault() {
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main_loop = NULL;
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default_shape = CURSOR_ARROW;
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hat_map_default[HAT_UP].type = TYPE_BUTTON;
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hat_map_default[HAT_UP].index = JOY_DPAD_UP;
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hat_map_default[HAT_UP].value = 0;
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hat_map_default[HAT_RIGHT].type = TYPE_BUTTON;
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hat_map_default[HAT_RIGHT].index = JOY_DPAD_RIGHT;
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hat_map_default[HAT_RIGHT].value = 0;
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hat_map_default[HAT_DOWN].type = TYPE_BUTTON;
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hat_map_default[HAT_DOWN].index = JOY_DPAD_DOWN;
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hat_map_default[HAT_DOWN].value = 0;
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hat_map_default[HAT_LEFT].type = TYPE_BUTTON;
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hat_map_default[HAT_LEFT].index = JOY_DPAD_LEFT;
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hat_map_default[HAT_LEFT].value = 0;
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fallback_mapping = -1;
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// Parse default mappings.
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@ -761,14 +745,8 @@ void InputDefault::joy_button(int p_device, int p_button, bool p_pressed) {
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return;
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}
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const Map<int, JoyEvent>::Element *el = map_db[joy.mapping].buttons.find(p_button);
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if (!el) {
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//don't process un-mapped events for now, it could mess things up badly for devices with additional buttons/axis
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//return _button_event(p_last_id, p_device, p_button, p_pressed);
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return;
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}
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JoyEvent map = _get_mapped_button_event(map_db[joy.mapping], p_button);
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JoyEvent map = el->get();
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if (map.type == TYPE_BUTTON) {
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//fake additional axis event for triggers
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if (map.index == JOY_L2 || map.index == JOY_R2) {
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@ -831,13 +809,7 @@ void InputDefault::joy_axis(int p_device, int p_axis, const JoyAxis &p_value) {
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return;
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};
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const Map<int, JoyEvent>::Element *el = map_db[joy.mapping].axis.find(p_axis);
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if (!el) {
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//return _axis_event(p_last_id, p_device, p_axis, p_value);
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return;
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};
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JoyEvent map = el->get();
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JoyEvent map = _get_mapped_axis_event(map_db[joy.mapping], p_axis, p_value);
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if (map.type == TYPE_BUTTON) {
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//send axis event for triggers
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@ -906,12 +878,26 @@ void InputDefault::joy_hat(int p_device, int p_val) {
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_THREAD_SAFE_METHOD_;
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const Joypad &joy = joy_names[p_device];
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const JoyEvent *map;
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JoyEvent map[HAT_MAX];
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if (joy.mapping == -1) {
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map = hat_map_default;
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} else {
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map = map_db[joy.mapping].hat;
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map[HAT_UP].type = TYPE_BUTTON;
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map[HAT_UP].index = JOY_DPAD_UP;
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map[HAT_UP].value = 0;
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map[HAT_RIGHT].type = TYPE_BUTTON;
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map[HAT_RIGHT].index = JOY_DPAD_RIGHT;
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map[HAT_RIGHT].value = 0;
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map[HAT_DOWN].type = TYPE_BUTTON;
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map[HAT_DOWN].index = JOY_DPAD_DOWN;
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map[HAT_DOWN].value = 0;
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map[HAT_LEFT].type = TYPE_BUTTON;
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map[HAT_LEFT].index = JOY_DPAD_LEFT;
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map[HAT_LEFT].value = 0;
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if (joy.mapping != -1) {
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_get_mapped_hat_events(map_db[joy.mapping], 0, map);
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};
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int cur_val = joy_names[p_device].hat_current;
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@ -955,50 +941,153 @@ void InputDefault::_axis_event(int p_device, int p_axis, float p_value) {
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parse_input_event(ievent);
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};
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InputDefault::JoyEvent InputDefault::_find_to_event(String p_to) {
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InputDefault::JoyEvent InputDefault::_get_mapped_button_event(const JoyDeviceMapping &mapping, int p_button) {
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// string names of the SDL buttons in the same order as input_event.h godot buttons
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static const char *buttons[] = { "a", "b", "x", "y", "leftshoulder", "rightshoulder", "lefttrigger", "righttrigger", "leftstick", "rightstick", "back", "start", "dpup", "dpdown", "dpleft", "dpright", "guide", NULL };
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JoyEvent event;
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event.type = TYPE_MAX;
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static const char *axis[] = { "leftx", "lefty", "rightx", "righty", NULL };
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for (int i = 0; i < mapping.bindings.size(); i++) {
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const JoyBinding binding = mapping.bindings[i];
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if (binding.inputType == TYPE_BUTTON && binding.input.button == p_button) {
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event.type = binding.outputType;
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switch (binding.outputType) {
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case TYPE_BUTTON:
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event.index = binding.output.button;
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return event;
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case TYPE_AXIS:
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event.index = binding.output.axis.axis;
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return event;
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default:
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ERR_PRINT_ONCE("Joypad button mapping error.");
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}
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}
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}
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return event;
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}
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JoyEvent ret;
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ret.type = -1;
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ret.index = 0;
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InputDefault::JoyEvent InputDefault::_get_mapped_axis_event(const JoyDeviceMapping &mapping, int p_axis, const JoyAxis &p_value) {
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int i = 0;
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while (buttons[i]) {
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JoyEvent event;
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event.type = TYPE_MAX;
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if (p_to == buttons[i]) {
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ret.type = TYPE_BUTTON;
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ret.index = i;
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ret.value = 0;
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return ret;
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};
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++i;
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};
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for (int i = 0; i < mapping.bindings.size(); i++) {
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const JoyBinding binding = mapping.bindings[i];
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if (binding.inputType == TYPE_AXIS && binding.input.axis.axis == p_axis) {
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float value = p_value.value;
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if (binding.input.axis.invert)
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value = -value;
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if (binding.input.axis.range == FULL_AXIS ||
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(binding.input.axis.range == POSITIVE_HALF_AXIS && value > 0) ||
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(binding.input.axis.range == NEGATIVE_HALF_AXIS && value < 0)) {
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event.type = binding.outputType;
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switch (binding.outputType) {
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case TYPE_BUTTON:
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event.index = binding.output.button;
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return event;
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case TYPE_AXIS:
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event.index = binding.output.axis.axis;
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event.value = value;
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if (binding.output.axis.range != binding.input.axis.range) {
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float shifted_positive_value = 0;
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switch (binding.input.axis.range) {
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case POSITIVE_HALF_AXIS:
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shifted_positive_value = value;
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break;
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case NEGATIVE_HALF_AXIS:
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shifted_positive_value = value + 1;
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break;
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case FULL_AXIS:
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shifted_positive_value = (value + 1) / 2;
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break;
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}
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switch (binding.output.axis.range) {
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case POSITIVE_HALF_AXIS:
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event.value = shifted_positive_value;
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break;
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case NEGATIVE_HALF_AXIS:
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event.value = shifted_positive_value - 1;
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break;
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case FULL_AXIS:
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event.value = (shifted_positive_value * 2) - 1;
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break;
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}
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}
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return event;
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default:
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ERR_PRINT_ONCE("Joypad axis mapping error.");
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}
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}
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}
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}
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return event;
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}
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i = 0;
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while (axis[i]) {
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void InputDefault::_get_mapped_hat_events(const JoyDeviceMapping &mapping, int p_hat, JoyEvent r_events[]) {
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if (p_to == axis[i]) {
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ret.type = TYPE_AXIS;
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ret.index = i;
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ret.value = 0;
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return ret;
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};
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++i;
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};
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for (int i = 0; i < mapping.bindings.size(); i++) {
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const JoyBinding binding = mapping.bindings[i];
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if (binding.inputType == TYPE_HAT && binding.input.hat.hat == p_hat) {
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return ret;
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};
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int index;
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switch (binding.input.hat.hat_mask) {
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case HAT_MASK_UP:
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index = 0;
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break;
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case HAT_MASK_RIGHT:
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index = 1;
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break;
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case HAT_MASK_DOWN:
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index = 2;
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break;
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case HAT_MASK_LEFT:
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index = 3;
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break;
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default:
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ERR_PRINT_ONCE("Joypad button mapping error.");
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continue;
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}
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r_events[index].type = binding.outputType;
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switch (binding.outputType) {
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case TYPE_BUTTON:
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r_events[index].index = binding.output.button;
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break;
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case TYPE_AXIS:
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r_events[index].index = binding.output.axis.axis;
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break;
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default:
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ERR_PRINT_ONCE("Joypad button mapping error.");
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}
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}
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}
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}
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// string names of the SDL buttons in the same order as input_event.h godot buttons
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static const char *_joy_buttons[] = { "a", "b", "x", "y", "leftshoulder", "rightshoulder", "lefttrigger", "righttrigger", "leftstick", "rightstick", "back", "start", "dpup", "dpdown", "dpleft", "dpright", "guide", nullptr };
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static const char *_joy_axes[] = { "leftx", "lefty", "rightx", "righty", nullptr };
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JoystickList InputDefault::_get_output_button(String output) {
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for (int i = 0; _joy_buttons[i]; i++) {
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if (output == _joy_buttons[i])
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return JoystickList(i);
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}
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return JoystickList::JOY_INVALID_OPTION;
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}
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JoystickList InputDefault::_get_output_axis(String output) {
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for (int i = 0; _joy_axes[i]; i++) {
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if (output == _joy_axes[i])
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return JoystickList(i);
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}
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return JoystickList::JOY_INVALID_OPTION;
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}
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void InputDefault::parse_mapping(String p_mapping) {
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_THREAD_SAFE_METHOD_;
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JoyDeviceMapping mapping;
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for (int i = 0; i < HAT_MAX; ++i)
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mapping.hat[i].index = 1024 + i;
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Vector<String> entry = p_mapping.split(",");
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if (entry.size() < 2) {
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@ -1017,45 +1106,79 @@ void InputDefault::parse_mapping(String p_mapping) {
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if (entry[idx] == "")
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continue;
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String from = entry[idx].get_slice(":", 1).replace(" ", "");
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String to = entry[idx].get_slice(":", 0).replace(" ", "");
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String output = entry[idx].get_slice(":", 0).replace(" ", "");
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String input = entry[idx].get_slice(":", 1).replace(" ", "");
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ERR_CONTINUE_MSG(output.length() < 1 || input.length() < 2,
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String(entry[idx] + "\nInvalid device mapping entry: " + entry[idx]));
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JoyEvent to_event = _find_to_event(to);
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if (to_event.type == -1)
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if (output == "platform")
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continue;
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String etype = from.substr(0, 1);
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if (etype == "a") {
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JoyAxisRange output_range = FULL_AXIS;
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if (output[0] == '+' || output[0] == '-') {
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ERR_CONTINUE_MSG(output.length() < 2, String(entry[idx] + "\nInvalid output: " + entry[idx]));
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output = output.right(1);
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if (output[0] == '+')
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output_range = POSITIVE_HALF_AXIS;
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else if (output[0] == '-')
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output_range = NEGATIVE_HALF_AXIS;
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}
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int aid = from.substr(1, from.length() - 1).to_int();
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mapping.axis[aid] = to_event;
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JoyAxisRange input_range = FULL_AXIS;
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if (input[0] == '+') {
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input_range = POSITIVE_HALF_AXIS;
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input = input.right(1);
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} else if (input[0] == '-') {
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input_range = NEGATIVE_HALF_AXIS;
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input = input.right(1);
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}
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bool invert_axis = false;
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if (input[input.length() - 1] == '~')
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invert_axis = true;
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} else if (etype == "b") {
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JoystickList output_button = _get_output_button(output);
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JoystickList output_axis = _get_output_axis(output);
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ERR_CONTINUE_MSG(output_button == JOY_INVALID_OPTION && output_axis == JOY_INVALID_OPTION,
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String(entry[idx] + "\nUnrecognised output string: " + output));
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ERR_CONTINUE_MSG(output_button != JOY_INVALID_OPTION && output_axis != JOY_INVALID_OPTION,
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String("BUG: Output string matched both button and axis: " + output));
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int bid = from.substr(1, from.length() - 1).to_int();
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mapping.buttons[bid] = to_event;
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JoyBinding binding;
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if (output_button != JOY_INVALID_OPTION) {
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binding.outputType = TYPE_BUTTON;
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binding.output.button = output_button;
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} else if (output_axis != JOY_INVALID_OPTION) {
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binding.outputType = TYPE_AXIS;
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binding.output.axis.axis = output_axis;
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binding.output.axis.range = output_range;
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}
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} else if (etype == "h") {
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switch (input[0]) {
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case 'b':
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binding.inputType = TYPE_BUTTON;
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binding.input.button = input.right(1).to_int();
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break;
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case 'a':
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binding.inputType = TYPE_AXIS;
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binding.input.axis.axis = input.right(1).to_int();
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binding.input.axis.range = input_range;
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binding.input.axis.invert = invert_axis;
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break;
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case 'h':
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ERR_CONTINUE_MSG(input.length() != 4 || input[2] != '.',
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String(entry[idx] + "\nInvalid hat input: " + input));
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binding.inputType = TYPE_HAT;
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binding.input.hat.hat = input.substr(1, 1).to_int();
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binding.input.hat.hat_mask = static_cast<HatMask>(input.right(3).to_int());
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break;
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default:
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ERR_CONTINUE_MSG(true, String(entry[idx] + "\nUnrecognised input string: " + input));
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}
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int hat_value = from.get_slice(".", 1).to_int();
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switch (hat_value) {
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case 1:
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mapping.hat[HAT_UP] = to_event;
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break;
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case 2:
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mapping.hat[HAT_RIGHT] = to_event;
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break;
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case 4:
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mapping.hat[HAT_DOWN] = to_event;
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break;
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case 8:
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mapping.hat[HAT_LEFT] = to_event;
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break;
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};
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};
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mapping.bindings.push_back(binding);
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};
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map_db.push_back(mapping);
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//printf("added mapping with uuid %ls\n", mapping.uid.c_str());
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};
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void InputDefault::add_joy_mapping(String p_mapping, bool p_update_existing) {
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@ -148,26 +148,61 @@ private:
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TYPE_MAX,
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};
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enum JoyAxisRange {
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NEGATIVE_HALF_AXIS = -1,
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FULL_AXIS = 0,
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POSITIVE_HALF_AXIS = 1
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};
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struct JoyEvent {
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int type;
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int index;
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int value;
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float value;
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};
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struct JoyBinding {
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JoyType inputType;
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union {
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int button;
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struct {
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int axis;
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JoyAxisRange range;
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bool invert;
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} axis;
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struct {
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int hat;
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HatMask hat_mask;
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} hat;
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} input;
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JoyType outputType;
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union {
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JoystickList button;
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struct {
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JoystickList axis;
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JoyAxisRange range;
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} axis;
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} output;
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};
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struct JoyDeviceMapping {
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String uid;
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String name;
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||||
Map<int, JoyEvent> buttons;
|
||||
Map<int, JoyEvent> axis;
|
||||
JoyEvent hat[HAT_MAX];
|
||||
Vector<JoyBinding> bindings;
|
||||
};
|
||||
|
||||
JoyEvent hat_map_default[HAT_MAX];
|
||||
|
||||
Vector<JoyDeviceMapping> map_db;
|
||||
|
||||
JoyEvent _find_to_event(String p_to);
|
||||
JoyEvent _get_mapped_button_event(const JoyDeviceMapping &mapping, int p_button);
|
||||
JoyEvent _get_mapped_axis_event(const JoyDeviceMapping &mapping, int p_axis, const JoyAxis &p_value);
|
||||
void _get_mapped_hat_events(const JoyDeviceMapping &mapping, int p_hat, JoyEvent r_events[HAT_MAX]);
|
||||
JoystickList _get_output_button(String output);
|
||||
JoystickList _get_output_axis(String output);
|
||||
void _button_event(int p_device, int p_index, bool p_pressed);
|
||||
void _axis_event(int p_device, int p_axis, float p_value);
|
||||
float _handle_deadzone(int p_device, int p_axis, float p_value);
|
||||
|
||||
@ -99,18 +99,7 @@ def make_default_controller_mappings(target, source, env):
|
||||
src_path, current_platform, platform_mappings[current_platform][guid]
|
||||
)
|
||||
)
|
||||
valid_mapping = True
|
||||
for input_map in line_parts[2:]:
|
||||
if "+" in input_map or "-" in input_map or "~" in input_map:
|
||||
g.write(
|
||||
"// WARNING - DISCARDED UNSUPPORTED MAPPING TYPE FROM DATABASE {}: {} {}\n".format(
|
||||
src_path, current_platform, line
|
||||
)
|
||||
)
|
||||
valid_mapping = False
|
||||
break
|
||||
if valid_mapping:
|
||||
platform_mappings[current_platform][guid] = line
|
||||
platform_mappings[current_platform][guid] = line
|
||||
|
||||
platform_variables = {
|
||||
"Linux": "#if X11_ENABLED",
|
||||
|
||||
Loading…
Reference in New Issue
Block a user