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[Input] Get mapped joy events for joypad #100791

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[Input] Get mapped joy events for joypad #100791

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35 changes: 35 additions & 0 deletions core/input/input.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -147,6 +147,7 @@ void Input::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_action_raw_strength", "action", "exact_match"), &Input::get_action_raw_strength, DEFVAL(false));
ClassDB::bind_method(D_METHOD("get_axis", "negative_action", "positive_action"), &Input::get_axis);
ClassDB::bind_method(D_METHOD("get_vector", "negative_x", "positive_x", "negative_y", "positive_y", "deadzone"), &Input::get_vector, DEFVAL(-1.0f));
ClassDB::bind_method(D_METHOD("get_mapped_joy_events", "device"), &Input::get_mapped_joy_events);
ClassDB::bind_method(D_METHOD("add_joy_mapping", "mapping", "update_existing"), &Input::add_joy_mapping, DEFVAL(false));
ClassDB::bind_method(D_METHOD("remove_joy_mapping", "guid"), &Input::remove_joy_mapping);
ClassDB::bind_method(D_METHOD("is_joy_known", "device"), &Input::is_joy_known);
Expand Down Expand Up @@ -1697,6 +1698,40 @@ void Input::parse_mapping(const String &p_mapping) {
map_db.push_back(mapping);
}

Dictionary Input::get_mapped_joy_events(int p_device) {
ERR_FAIL_COND_V(!joy_names.has(p_device), Dictionary());
int index = joy_names[p_device].mapping;
if (index == -1) {
return Dictionary();
}

const JoyDeviceMapping &mapping = map_db[index];
Array buttons;
Array axes;

for (int i = 0; i < mapping.bindings.size(); i++) {
const JoyBinding binding = mapping.bindings[i];
switch (binding.outputType) {
case TYPE_BUTTON:
buttons.push_back(binding.output.button);
break;
case TYPE_AXIS:
axes.push_back(binding.input.axis.axis);
break;
default:
break; // Ignoring TYPE_HAT.
}
}
buttons.sort();
axes.sort();

Dictionary ret;
ret["buttons"] = buttons;
ret["axes"] = axes;

return ret;
}

void Input::add_joy_mapping(const String &p_mapping, bool p_update_existing) {
parse_mapping(p_mapping);
if (p_update_existing) {
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1 change: 1 addition & 0 deletions core/input/input.h
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Expand Up @@ -366,6 +366,7 @@ class Input : public Object {
void joy_axis(int p_device, JoyAxis p_axis, float p_value);
void joy_hat(int p_device, BitField<HatMask> p_val);

Dictionary get_mapped_joy_events(int p_device);
void add_joy_mapping(const String &p_mapping, bool p_update_existing = false);
void remove_joy_mapping(const String &p_guid);

Expand Down
11 changes: 11 additions & 0 deletions doc/classes/Input.xml
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Expand Up @@ -179,6 +179,17 @@
[b]Note:[/b] This method only works on Android and iOS. On other platforms, it always returns [constant Vector3.ZERO].
</description>
</method>
<method name="get_mapped_joy_events">
<return type="Dictionary" />
<param index="0" name="device" type="int" />
<description>
Returns a dictionary which contains all buttons and axes that are mapped to the given joypad.
The dictionary contains the following fields:
[code]buttons[/code]: for all mapped [enum JoyButton].
[code]axes[/code]: for all mapped [enum JoyAxis].
If the joypad is not mapped, an empty dictionary is returned.
</description>
</method>
<method name="get_mouse_button_mask" qualifiers="const">
<return type="int" enum="MouseButtonMask" is_bitfield="true" />
<description>
Expand Down