mirror of
https://github.com/RetroDECK/ES-DE.git
synced 2024-11-27 16:45:38 +00:00
335 lines
8.3 KiB
C++
335 lines
8.3 KiB
C++
#include "InputManager.h"
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#include "InputConfig.h"
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#include "Window.h"
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#include "Log.h"
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#include "pugiXML/pugixml.hpp"
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#include <boost/filesystem.hpp>
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#include "platform.h"
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namespace fs = boost::filesystem;
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InputManager::InputManager(Window* window) : mWindow(window),
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mKeyboardInputConfig(NULL),
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mNumJoysticks(0), mNumPlayers(0)
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{
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}
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InputManager::~InputManager()
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{
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deinit();
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}
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void InputManager::init()
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{
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if(initialized())
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deinit();
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SDL_InitSubSystem(SDL_INIT_JOYSTICK);
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mNumJoysticks = SDL_NumJoysticks();
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for(int i = 0; i < mNumJoysticks; i++)
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{
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SDL_Joystick* joy = SDL_JoystickOpen(i);
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SDL_JoystickID joyId = SDL_JoystickInstanceID(joy);
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mJoysticks.push_back(joy);
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mInputConfigs[joyId] = new InputConfig(i, SDL_JoystickName(joy));
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int numAxes = SDL_JoystickNumAxes(joy);
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mPrevAxisValues[joyId] = new int[numAxes];
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std::fill(mPrevAxisValues[joyId], mPrevAxisValues[joyId] + numAxes, 0); //initialize array to 0
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}
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mKeyboardInputConfig = new InputConfig(DEVICE_KEYBOARD, "Keyboard");
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loadConfig();
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SDL_JoystickEventState(SDL_ENABLE);
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}
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void InputManager::deinit()
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{
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SDL_JoystickEventState(SDL_DISABLE);
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if(!initialized())
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return;
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for(auto iter = mJoysticks.begin(); iter != mJoysticks.end(); iter++)
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{
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SDL_JoystickClose(*iter);
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}
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mJoysticks.clear();
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for(auto iter = mInputConfigs.begin(); iter != mInputConfigs.end(); iter++)
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{
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delete iter->second;
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}
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mInputConfigs.clear();
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for(auto iter = mPrevAxisValues.begin(); iter != mPrevAxisValues.end(); iter++)
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{
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delete[] iter->second;
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}
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mPrevAxisValues.clear();
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if(mKeyboardInputConfig != NULL)
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{
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delete mKeyboardInputConfig;
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mKeyboardInputConfig = NULL;
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}
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SDL_QuitSubSystem(SDL_INIT_JOYSTICK);
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}
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int InputManager::getNumJoysticks() { return mNumJoysticks; }
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int InputManager::getButtonCountByDevice(int id)
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{
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if(id == DEVICE_KEYBOARD)
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return 120; //it's a lot, okay.
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else
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return SDL_JoystickNumButtons(mJoysticks[id]);
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}
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int InputManager::getNumPlayers() { return mNumPlayers; }
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void InputManager::setNumPlayers(int num) { mNumPlayers = num; }
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InputConfig* InputManager::getInputConfigByDevice(SDL_JoystickID device)
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{
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if(device == DEVICE_KEYBOARD)
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return mKeyboardInputConfig;
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else
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return mInputConfigs[device];
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}
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InputConfig* InputManager::getInputConfigByPlayer(int player)
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{
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if(mKeyboardInputConfig->getPlayerNum() == player)
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return mKeyboardInputConfig;
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for(auto iter = mInputConfigs.begin(); iter != mInputConfigs.end(); iter++)
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{
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if(iter->second->getPlayerNum() == player)
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{
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return iter->second;
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}
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}
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LOG(LogError) << "Could not find input config for player number " << player << "!";
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return NULL;
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}
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bool InputManager::parseEvent(const SDL_Event& ev)
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{
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bool causedEvent = false;
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switch(ev.type)
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{
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case SDL_JOYAXISMOTION:
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//if it switched boundaries
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if((abs(ev.jaxis.value) > DEADZONE) != (abs(mPrevAxisValues[ev.jaxis.which][ev.jaxis.axis]) > DEADZONE))
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{
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int normValue;
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if(abs(ev.jaxis.value) <= DEADZONE)
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normValue = 0;
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else
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if(ev.jaxis.value > 0)
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normValue = 1;
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else
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normValue = -1;
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mWindow->input(getInputConfigByDevice(ev.jaxis.which), Input(ev.jaxis.which, TYPE_AXIS, ev.jaxis.axis, normValue, false));
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causedEvent = true;
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}
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mPrevAxisValues[ev.jaxis.which][ev.jaxis.axis] = ev.jaxis.value;
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return causedEvent;
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case SDL_JOYBUTTONDOWN:
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case SDL_JOYBUTTONUP:
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mWindow->input(getInputConfigByDevice(ev.jbutton.which), Input(ev.jbutton.which, TYPE_BUTTON, ev.jbutton.button, ev.jbutton.state == SDL_PRESSED, false));
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return true;
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case SDL_JOYHATMOTION:
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mWindow->input(getInputConfigByDevice(ev.jhat.which), Input(ev.jhat.which, TYPE_HAT, ev.jhat.hat, ev.jhat.value, false));
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return true;
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case SDL_KEYDOWN:
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if(ev.key.keysym.sym == SDLK_BACKSPACE && SDL_IsTextInputActive())
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{
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if(mWindow->peekGui() != NULL)
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mWindow->peekGui()->textInput("\b");
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return true;
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}
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if(ev.key.repeat)
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return false;
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if(ev.key.keysym.sym == SDLK_F4)
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{
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SDL_Event* quit = new SDL_Event();
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quit->type = SDL_QUIT;
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SDL_PushEvent(quit);
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return false;
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}
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mWindow->input(getInputConfigByDevice(DEVICE_KEYBOARD), Input(DEVICE_KEYBOARD, TYPE_KEY, ev.key.keysym.sym, 1, false));
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return true;
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case SDL_KEYUP:
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mWindow->input(getInputConfigByDevice(DEVICE_KEYBOARD), Input(DEVICE_KEYBOARD, TYPE_KEY, ev.key.keysym.sym, 0, false));
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return true;
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case SDL_TEXTINPUT:
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if(mWindow->peekGui() != NULL)
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mWindow->peekGui()->textInput(ev.text.text);
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break;
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case SDL_JOYDEVICEADDED:
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deinit();
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init();
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return true;
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}
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return false;
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}
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void InputManager::loadConfig()
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{
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if(!initialized())
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{
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LOG(LogError) << "ERROR - cannot load InputManager config without being initialized!";
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}
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std::string path = getConfigPath();
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if(!fs::exists(path))
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return;
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pugi::xml_document doc;
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pugi::xml_parse_result res = doc.load_file(path.c_str());
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if(!res)
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{
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LOG(LogError) << "Error loading input config: " << res.description();
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return;
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}
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mNumPlayers = 0;
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bool* configuredDevice = new bool[mNumJoysticks];
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std::fill(configuredDevice, configuredDevice + mNumJoysticks, false);
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for(auto iter = mInputConfigs.begin(); iter != mInputConfigs.end(); iter++)
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{
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iter->second->setPlayerNum(-1);
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}
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pugi::xml_node root = doc.child("inputList");
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for(pugi::xml_node node = root.child("inputConfig"); node; node = node.next_sibling("inputConfig"))
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{
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std::string type = node.attribute("type").as_string();
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if(type == "keyboard")
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{
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getInputConfigByDevice(DEVICE_KEYBOARD)->loadFromXML(node, mNumPlayers);
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mNumPlayers++;
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}else if(type == "joystick")
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{
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bool found = false;
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std::string devName = node.attribute("deviceName").as_string();
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for(int i = 0; i < mNumJoysticks; i++)
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{
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if(!configuredDevice[i] && SDL_JoystickName(mJoysticks[i]) == devName)
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{
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SDL_JoystickID joyId = SDL_JoystickInstanceID(mJoysticks[i]);
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mInputConfigs[joyId]->loadFromXML(node, mNumPlayers);
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mNumPlayers++;
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found = true;
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configuredDevice[i] = true;
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break;
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}
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}
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if(!found)
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{
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LOG(LogWarning) << "Could not find unconfigured joystick named \"" << devName << "\"! Skipping it.\n";
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continue;
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}
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}else{
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LOG(LogWarning) << "Device type \"" << type << "\" unknown!\n";
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}
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}
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delete[] configuredDevice;
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if(mNumPlayers == 0)
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{
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LOG(LogInfo) << "No input configs loaded. Loading default keyboard config.";
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loadDefaultConfig();
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}
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LOG(LogInfo) << "Loaded InputConfig data for " << getNumPlayers() << " devices.";
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}
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//used in an "emergency" where no configs could be loaded from the inputmanager config file
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//allows the user to select to reconfigure in menus if this happens without having to delete es_input.cfg manually
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void InputManager::loadDefaultConfig()
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{
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InputConfig* cfg = getInputConfigByDevice(DEVICE_KEYBOARD);
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mNumPlayers++;
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cfg->setPlayerNum(0);
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cfg->mapInput("up", Input(DEVICE_KEYBOARD, TYPE_KEY, SDLK_UP, 1, true));
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cfg->mapInput("down", Input(DEVICE_KEYBOARD, TYPE_KEY, SDLK_DOWN, 1, true));
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cfg->mapInput("left", Input(DEVICE_KEYBOARD, TYPE_KEY, SDLK_LEFT, 1, true));
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cfg->mapInput("right", Input(DEVICE_KEYBOARD, TYPE_KEY, SDLK_RIGHT, 1, true));
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cfg->mapInput("a", Input(DEVICE_KEYBOARD, TYPE_KEY, SDLK_RETURN, 1, true));
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cfg->mapInput("b", Input(DEVICE_KEYBOARD, TYPE_KEY, SDLK_ESCAPE, 1, true));
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cfg->mapInput("menu", Input(DEVICE_KEYBOARD, TYPE_KEY, SDLK_F1, 1, true));
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cfg->mapInput("select", Input(DEVICE_KEYBOARD, TYPE_KEY, SDLK_F2, 1, true));
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cfg->mapInput("pageup", Input(DEVICE_KEYBOARD, TYPE_KEY, SDLK_RIGHTBRACKET, 1, true));
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cfg->mapInput("pagedown", Input(DEVICE_KEYBOARD, TYPE_KEY, SDLK_LEFTBRACKET, 1, true));
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cfg->mapInput("mastervolup", Input(DEVICE_KEYBOARD, TYPE_KEY, SDLK_PLUS, 1, true));
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cfg->mapInput("mastervoldown", Input(DEVICE_KEYBOARD, TYPE_KEY, SDLK_MINUS, 1, true));
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}
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void InputManager::writeConfig()
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{
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if(!initialized())
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{
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LOG(LogError) << "ERROR - cannot write config without being initialized!";
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return;
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}
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std::string path = getConfigPath();
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pugi::xml_document doc;
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pugi::xml_node root = doc.append_child("inputList");
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mKeyboardInputConfig->writeToXML(root);
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for(int i = 0; i < mNumJoysticks; i++)
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{
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mInputConfigs[i]->writeToXML(root);
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}
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doc.save_file(path.c_str());
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}
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std::string InputManager::getConfigPath()
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{
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std::string path = getHomePath();
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path += "/.emulationstation/es_input.cfg";
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return path;
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}
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bool InputManager::initialized() const
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{
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return mKeyboardInputConfig != NULL;
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}
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