suyu/src/input_common/input_mapping.cpp

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// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included
#include "common/settings.h"
#include "input_common/input_engine.h"
#include "input_common/input_mapping.h"
namespace InputCommon {
MappingFactory::MappingFactory() = default;
void MappingFactory::BeginMapping(Polling::InputType type) {
is_enabled = true;
input_type = type;
input_queue.Clear();
first_axis = -1;
second_axis = -1;
}
Common::ParamPackage MappingFactory::GetNextInput() {
Common::ParamPackage input;
input_queue.Pop(input);
return input;
}
void MappingFactory::RegisterInput(const MappingData& data) {
if (!is_enabled) {
return;
}
if (!IsDriverValid(data)) {
return;
}
switch (input_type) {
case Polling::InputType::Button:
RegisterButton(data);
return;
case Polling::InputType::Stick:
RegisterStick(data);
return;
case Polling::InputType::Motion:
RegisterMotion(data);
return;
default:
return;
}
}
void MappingFactory::StopMapping() {
is_enabled = false;
input_type = Polling::InputType::None;
input_queue.Clear();
}
void MappingFactory::RegisterButton(const MappingData& data) {
Common::ParamPackage new_input;
new_input.Set("engine", data.engine);
if (data.pad.guid.IsValid()) {
new_input.Set("guid", data.pad.guid.Format());
}
new_input.Set("port", static_cast<int>(data.pad.port));
new_input.Set("pad", static_cast<int>(data.pad.pad));
switch (data.type) {
case EngineInputType::Button:
// Workaround for old compatibility
if (data.engine == "keyboard") {
new_input.Set("code", data.index);
break;
}
new_input.Set("button", data.index);
break;
case EngineInputType::HatButton:
new_input.Set("hat", data.index);
new_input.Set("direction", data.hat_name);
break;
case EngineInputType::Analog:
// Ignore mouse axis when mapping buttons
if (data.engine == "mouse") {
return;
}
new_input.Set("axis", data.index);
new_input.Set("threshold", 0.5f);
break;
default:
return;
}
input_queue.Push(new_input);
}
void MappingFactory::RegisterStick(const MappingData& data) {
Common::ParamPackage new_input;
new_input.Set("engine", data.engine);
if (data.pad.guid.IsValid()) {
new_input.Set("guid", data.pad.guid.Format());
}
new_input.Set("port", static_cast<int>(data.pad.port));
new_input.Set("pad", static_cast<int>(data.pad.pad));
// If engine is mouse map the mouse position as a joystick
if (data.engine == "mouse") {
new_input.Set("axis_x", 0);
new_input.Set("axis_y", 1);
new_input.Set("threshold", 0.5f);
new_input.Set("range", 1.0f);
new_input.Set("deadzone", 0.0f);
input_queue.Push(new_input);
return;
}
switch (data.type) {
case EngineInputType::Button:
case EngineInputType::HatButton:
RegisterButton(data);
return;
case EngineInputType::Analog:
if (first_axis == data.index) {
return;
}
if (first_axis == -1) {
first_axis = data.index;
return;
}
new_input.Set("axis_x", first_axis);
new_input.Set("axis_y", data.index);
new_input.Set("threshold", 0.5f);
new_input.Set("range", 0.95f);
new_input.Set("deadzone", 0.15f);
break;
default:
return;
}
input_queue.Push(new_input);
}
void MappingFactory::RegisterMotion(const MappingData& data) {
Common::ParamPackage new_input;
new_input.Set("engine", data.engine);
if (data.pad.guid.IsValid()) {
new_input.Set("guid", data.pad.guid.Format());
}
new_input.Set("port", static_cast<int>(data.pad.port));
new_input.Set("pad", static_cast<int>(data.pad.pad));
// If engine is mouse map the mouse position as 3 axis motion
if (data.engine == "mouse") {
new_input.Set("axis_x", 1);
new_input.Set("invert_x", "-");
new_input.Set("axis_y", 0);
new_input.Set("axis_z", 4);
new_input.Set("range", 1.0f);
new_input.Set("deadzone", 0.0f);
input_queue.Push(new_input);
return;
}
switch (data.type) {
case EngineInputType::Button:
case EngineInputType::HatButton:
RegisterButton(data);
return;
case EngineInputType::Analog:
if (first_axis == data.index) {
return;
}
if (second_axis == data.index) {
return;
}
if (first_axis == -1) {
first_axis = data.index;
return;
}
if (second_axis == -1) {
second_axis = data.index;
return;
}
new_input.Set("axis_x", first_axis);
new_input.Set("axis_y", second_axis);
new_input.Set("axis_z", data.index);
new_input.Set("range", 1.0f);
new_input.Set("deadzone", 0.20f);
break;
case EngineInputType::Motion:
new_input.Set("motion", data.index);
break;
default:
return;
}
input_queue.Push(new_input);
}
bool MappingFactory::IsDriverValid(const MappingData& data) const {
// Only port 0 can be mapped on the keyboard
if (data.engine == "keyboard" && data.pad.port != 0) {
return false;
}
// To prevent mapping with two devices we disable any UDP except motion
if (!Settings::values.enable_udp_controller && data.engine == "cemuhookudp" &&
data.type != EngineInputType::Motion) {
return false;
}
// The following drivers don't need to be mapped
if (data.engine == "tas") {
return false;
}
if (data.engine == "touch") {
return false;
}
if (data.engine == "touch_from_button") {
return false;
}
if (data.engine == "analog_from_button") {
return false;
}
return true;
}
} // namespace InputCommon