mirror of https://github.com/AxioDL/metaforce.git
321 lines
10 KiB
C++
321 lines
10 KiB
C++
#include "input.hpp"
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#include <SDL_haptic.h>
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#include <absl/container/btree_map.h>
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#include <absl/strings/str_split.h>
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namespace aurora::input {
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static logvisor::Module Log("aurora::input");
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struct GameController {
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SDL_GameController* m_controller = nullptr;
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bool m_isGameCube = false;
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Sint32 m_index = -1;
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bool m_hasRumble = false;
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};
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std::unordered_map<Uint32, GameController> g_GameControllers;
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static std::optional<std::string> remap_controller_layout(std::string_view mapping) {
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std::string newMapping;
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newMapping.reserve(mapping.size());
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absl::btree_map<std::string_view, std::string_view> entries;
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for (size_t idx = 0; const auto value : absl::StrSplit(mapping, ',')) {
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if (idx < 2) {
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if (idx > 0) {
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newMapping.push_back(',');
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}
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newMapping.append(value);
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} else {
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const auto split = absl::StrSplit(value, absl::MaxSplits(':', 2));
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auto iter = split.begin();
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entries.emplace(*iter++, *iter);
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}
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idx++;
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}
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if (entries.contains("rightshoulder"sv) && !entries.contains("leftshoulder"sv)) {
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Log.report(logvisor::Info, FMT_STRING("Remapping GameCube controller layout"));
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entries.insert_or_assign("back"sv, entries["rightshoulder"sv]);
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// TODO trigger buttons may differ per platform
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entries.insert_or_assign("leftshoulder"sv, "b11"sv);
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entries.insert_or_assign("rightshoulder"sv, "b10"sv);
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} else if (entries.contains("leftshoulder"sv) && entries.contains("rightshoulder"sv) && entries.contains("back"sv)) {
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Log.report(logvisor::Info, FMT_STRING("Controller has standard layout"));
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auto a = entries["a"sv];
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entries.insert_or_assign("a"sv, entries["b"sv]);
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entries.insert_or_assign("b"sv, a);
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auto x = entries["x"sv];
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entries.insert_or_assign("x"sv, entries["y"sv]);
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entries.insert_or_assign("y"sv, x);
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} else {
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Log.report(logvisor::Error, FMT_STRING("Controller has unsupported layout: {}"), mapping);
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return {};
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}
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for (const auto [k, v] : entries) {
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newMapping.push_back(',');
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newMapping.append(k);
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newMapping.push_back(':');
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newMapping.append(v);
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}
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return newMapping;
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}
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Sint32 add_controller(Sint32 which) noexcept {
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auto* ctrl = SDL_GameControllerOpen(which);
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if (ctrl != nullptr) {
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{
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char* mapping = SDL_GameControllerMapping(ctrl);
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if (mapping != nullptr) {
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auto newMapping = remap_controller_layout(mapping);
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SDL_free(mapping);
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if (newMapping) {
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if (SDL_GameControllerAddMapping(newMapping->c_str()) == -1) {
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Log.report(logvisor::Error, FMT_STRING("Failed to update controller mapping: {}"), SDL_GetError());
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}
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}
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} else {
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Log.report(logvisor::Error, FMT_STRING("Failed to retrieve mapping for controller"));
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}
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}
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GameController controller;
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controller.m_controller = ctrl;
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controller.m_index = which;
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controller.m_isGameCube =
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SDL_GameControllerGetVendor(ctrl) == 0x057E && SDL_GameControllerGetProduct(ctrl) == 0x0337;
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controller.m_hasRumble = (SDL_GameControllerHasRumble(ctrl) != 0u);
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Sint32 instance = SDL_JoystickInstanceID(SDL_GameControllerGetJoystick(ctrl));
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g_GameControllers[instance] = controller;
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return instance;
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}
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return -1;
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}
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void remove_controller(Uint32 instance) noexcept {
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if (g_GameControllers.find(instance) != g_GameControllers.end()) {
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SDL_GameControllerClose(g_GameControllers[instance].m_controller);
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g_GameControllers.erase(instance);
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}
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}
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bool is_gamecube(Uint32 instance) noexcept {
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if (g_GameControllers.find(instance) != g_GameControllers.end()) {
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return g_GameControllers[instance].m_isGameCube;
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}
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return false;
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}
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int32_t player_index(Uint32 instance) noexcept {
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if (g_GameControllers.find(instance) != g_GameControllers.end()) {
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return SDL_GameControllerGetPlayerIndex(g_GameControllers[instance].m_controller);
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}
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return -1;
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}
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void set_player_index(Uint32 instance, Sint32 index) noexcept {
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if (g_GameControllers.find(instance) != g_GameControllers.end()) {
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SDL_GameControllerSetPlayerIndex(g_GameControllers[instance].m_controller, index);
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}
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}
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std::string controller_name(Uint32 instance) noexcept {
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if (g_GameControllers.find(instance) != g_GameControllers.end()) {
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const auto* name = SDL_GameControllerName(g_GameControllers[instance].m_controller);
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if (name != nullptr) {
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return {name};
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}
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}
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return {};
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}
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bool controller_has_rumble(Uint32 instance) noexcept {
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if (g_GameControllers.find(instance) != g_GameControllers.end()) {
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return g_GameControllers[instance].m_hasRumble;
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}
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return false;
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}
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void controller_rumble(uint32_t instance, uint16_t low_freq_intensity, uint16_t high_freq_intensity,
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uint16_t duration_ms) noexcept {
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if (g_GameControllers.find(instance) != g_GameControllers.end()) {
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SDL_GameControllerRumble(g_GameControllers[instance].m_controller, low_freq_intensity, high_freq_intensity,
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duration_ms);
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}
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}
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ControllerButton translate_controller_button(SDL_GameControllerButton btn) noexcept {
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switch (btn) {
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case SDL_CONTROLLER_BUTTON_A:
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return ControllerButton::A;
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case SDL_CONTROLLER_BUTTON_B:
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return ControllerButton::B;
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case SDL_CONTROLLER_BUTTON_X:
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return ControllerButton::X;
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case SDL_CONTROLLER_BUTTON_Y:
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return ControllerButton::Y;
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case SDL_CONTROLLER_BUTTON_BACK:
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return ControllerButton::Back;
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case SDL_CONTROLLER_BUTTON_GUIDE:
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return ControllerButton::Guide;
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case SDL_CONTROLLER_BUTTON_START:
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return ControllerButton::Start;
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case SDL_CONTROLLER_BUTTON_LEFTSTICK:
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return ControllerButton::LeftStick;
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case SDL_CONTROLLER_BUTTON_RIGHTSTICK:
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return ControllerButton::RightStick;
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case SDL_CONTROLLER_BUTTON_LEFTSHOULDER:
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return ControllerButton::LeftShoulder;
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case SDL_CONTROLLER_BUTTON_RIGHTSHOULDER:
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return ControllerButton::RightShoulder;
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case SDL_CONTROLLER_BUTTON_DPAD_UP:
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return ControllerButton::DPadUp;
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case SDL_CONTROLLER_BUTTON_DPAD_DOWN:
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return ControllerButton::DPadDown;
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case SDL_CONTROLLER_BUTTON_DPAD_RIGHT:
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return ControllerButton::DPadRight;
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case SDL_CONTROLLER_BUTTON_DPAD_LEFT:
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return ControllerButton::DPadLeft;
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default:
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return ControllerButton::Other;
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}
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}
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ControllerAxis translate_controller_axis(SDL_GameControllerAxis axis) noexcept {
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switch (axis) {
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case SDL_CONTROLLER_AXIS_LEFTX:
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return ControllerAxis::LeftX;
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case SDL_CONTROLLER_AXIS_LEFTY:
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return ControllerAxis::LeftY;
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case SDL_CONTROLLER_AXIS_RIGHTX:
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return ControllerAxis::RightX;
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case SDL_CONTROLLER_AXIS_RIGHTY:
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return ControllerAxis::RightY;
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case SDL_CONTROLLER_AXIS_TRIGGERLEFT:
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return ControllerAxis::TriggerLeft;
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case SDL_CONTROLLER_AXIS_TRIGGERRIGHT:
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return ControllerAxis::TriggerRight;
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default:
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return ControllerAxis::MAX;
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}
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}
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char translate_key(SDL_Keysym sym, SpecialKey& specialSym, ModifierKey& modifierSym) noexcept {
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specialSym = SpecialKey::None;
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modifierSym = ModifierKey::None;
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if (sym.sym >= SDLK_F1 && sym.sym <= SDLK_F12) {
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specialSym = SpecialKey(int(SpecialKey::F1) + sym.sym - SDLK_F1);
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} else if (sym.sym == SDLK_ESCAPE) {
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specialSym = SpecialKey::Esc;
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} else if (sym.sym == SDLK_RETURN) {
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specialSym = SpecialKey::Enter;
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} else if (sym.sym == SDLK_KP_ENTER) {
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specialSym = SpecialKey::KpEnter;
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} else if (sym.sym == SDLK_BACKSPACE) {
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specialSym = SpecialKey::Backspace;
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} else if (sym.sym == SDLK_INSERT) {
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specialSym = SpecialKey::Insert;
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} else if (sym.sym == SDLK_DELETE) {
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specialSym = SpecialKey::Delete;
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} else if (sym.sym == SDLK_HOME) {
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specialSym = SpecialKey::Home;
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} else if (sym.sym == SDLK_END) {
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specialSym = SpecialKey::End;
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} else if (sym.sym == SDLK_PAGEUP) {
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specialSym = SpecialKey::PgUp;
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} else if (sym.sym == SDLK_PAGEDOWN) {
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specialSym = SpecialKey::PgDown;
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} else if (sym.sym == SDLK_LEFT) {
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specialSym = SpecialKey::Left;
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} else if (sym.sym == SDLK_RIGHT) {
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specialSym = SpecialKey::Right;
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} else if (sym.sym == SDLK_UP) {
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specialSym = SpecialKey::Up;
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} else if (sym.sym == SDLK_DOWN) {
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specialSym = SpecialKey::Down;
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} else if (sym.sym == SDLK_TAB) {
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specialSym = SpecialKey::Tab;
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} else if (sym.sym == SDLK_LSHIFT) {
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modifierSym = ModifierKey::LeftShift;
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} else if (sym.sym == SDLK_RSHIFT) {
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modifierSym = ModifierKey::RightShift;
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} else if (sym.sym == SDLK_LCTRL) {
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modifierSym = ModifierKey::LeftControl;
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} else if (sym.sym == SDLK_RCTRL) {
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modifierSym = ModifierKey::RightControl;
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} else if (sym.sym == SDLK_LALT) {
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modifierSym = ModifierKey::LeftAlt;
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} else if (sym.sym == SDLK_RALT) {
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modifierSym = ModifierKey::RightAlt;
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} else if (sym.sym >= ' ' && sym.sym <= 'z') {
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return static_cast<char>(sym.sym);
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}
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return 0;
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}
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ModifierKey translate_modifiers(Uint16 mods) noexcept {
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ModifierKey ret = ModifierKey::None;
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if ((mods & SDLK_LSHIFT) != 0) {
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ret |= ModifierKey::LeftShift;
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}
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if ((mods & SDLK_RSHIFT) != 0) {
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ret |= ModifierKey::RightShift;
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}
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if ((mods & SDLK_LCTRL) != 0) {
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ret |= ModifierKey::LeftControl;
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}
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if ((mods & SDLK_RCTRL) != 0) {
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ret |= ModifierKey::RightControl;
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}
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if ((mods & SDLK_LALT) != 0) {
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ret |= ModifierKey::LeftAlt;
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}
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if ((mods & SDLK_RALT) != 0) {
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ret |= ModifierKey::RightAlt;
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}
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return ret;
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}
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MouseButton translate_mouse_button(Uint8 button) noexcept {
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if (button == 1) {
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return MouseButton::Primary;
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}
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if (button == 2) {
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return MouseButton::Middle;
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}
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if (button == 3) {
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return MouseButton::Secondary;
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}
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if (button == 4) {
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return MouseButton::Aux1;
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}
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if (button == 5) {
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return MouseButton::Aux2;
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}
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return MouseButton::None;
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}
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MouseButton translate_mouse_button_state(Uint8 state) noexcept {
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auto ret = MouseButton::None;
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if ((state & 0x01) != 0) {
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ret |= MouseButton::Primary;
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}
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if ((state & 0x02) != 0) {
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ret |= MouseButton::Middle;
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}
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if ((state & 0x04) != 0) {
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ret |= MouseButton::Secondary;
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}
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if ((state & 0x08) != 0) {
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ret |= MouseButton::Aux1;
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}
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if ((state & 0x10) != 0) {
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ret |= MouseButton::Aux2;
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}
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return ret;
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}
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} // namespace aurora::input
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