Files
coffee_crisis/source/input.cpp
2021-08-25 17:59:40 +02:00

324 lines
8.0 KiB
C++

#include "input.h"
#include <stdio.h>
#include <iostream>
// Constructor
Input::Input(int source)
{
// Inicializa las variables
for (int i = 0; i < 17; i++)
{
mKeyBindings[i].scancode = 0;
mKeyBindings[i].active = false;
mGameControllerBindings[i].button = SDL_CONTROLLER_BUTTON_INVALID;
mGameControllerBindings[i].active = false;
}
mSource = source;
if (mSource == USE_GAMECONTROLLER)
{
/*
if (SDL_WasInit(SDL_INIT_GAMECONTROLLER) != 1)
SDL_InitSubSystem(SDL_INIT_GAMECONTROLLER);
int nJoysticks = SDL_NumJoysticks();
int numGamepads = 0;
// Count how many controllers there are
for (int i = 0; i < nJoysticks; i++)
if (SDL_IsGameController(i))
numGamepads++;
printf("%i joysticks found, %i are gamepads\n", nJoysticks, numGamepads);
//SDL_JoystickEventState(SDL_ENABLE);
*/
if (!discoverGameController())
mSource = USE_KEYBOARD;
}
// Comprueba si hay algún mando conectado
//discoverGameController();
// En caso de haber un mando, el objeto se puede utilizar con entradas de mando
//if (mGameControllerFound)
// mSource = source;
// Si no hay un mando, el objeto se configura como teclado
//else
// mSource = USE_KEYBOARD;
if (mSource == USE_KEYBOARD)
printf("Input using KEYBOARD\n");
else
printf("Input using GAMECONTROLLER\n");
}
// Destructor
Input::~Input()
{
}
// Asigna uno de los posibles inputs a una tecla del teclado
void Input::bindKey(Uint8 input, SDL_Scancode code)
{
mKeyBindings[input].scancode = code;
}
// Asigna uno de los posibles inputs a un botón del mando
void Input::bindGameController(Uint8 input, SDL_GameControllerButton button)
{
mGameControllerBindings[input].button = button;
}
// Comprueba si un input esta activo
bool Input::checkInput(Uint8 input, bool repeat)
{
if (mSource == USE_KEYBOARD)
{
const Uint8 *mKeystates = SDL_GetKeyboardState(NULL);
if (repeat)
{
if (mKeystates[mKeyBindings[input].scancode] != 0)
return true;
else
return false;
}
else
{
if (!mKeyBindings[input].active)
{
if (mKeystates[mKeyBindings[input].scancode] != 0)
{
mKeyBindings[input].active = true;
return true;
}
else
{
return false;
}
}
else
{
if (mKeystates[mKeyBindings[input].scancode] == 0)
{
mKeyBindings[input].active = false;
return false;
}
else
{
return false;
}
}
}
}
else // Utiliza mando
{
if (repeat)
{
if (SDL_GameControllerGetButton(mGameController, mGameControllerBindings[input].button) != 0)
return true;
else
return false;
}
else
{
if (!mGameControllerBindings[input].active)
{
if (SDL_GameControllerGetButton(mGameController, mGameControllerBindings[input].button) != 0)
{
mGameControllerBindings[input].active = true;
return true;
}
else
{
return false;
}
}
else
{
if (SDL_GameControllerGetButton(mGameController, mGameControllerBindings[input].button) == 0)
{
mGameControllerBindings[input].active = false;
return false;
}
else
{
return false;
}
}
}
}
}
// Gestiona las entradas desde el mando de juego
/*bool Input::checkGameController(Uint8 state)
{
bool success = false;
// No hay mando. Siempre devuelve falso salvo NO_INPUT que siempre es cierto
if (!mGameControllerFound)
{
if (state == NO_INPUT)
return true;
else
return false;
}
switch (state)
{
case INPUT_NULL:
success = !checkGameController(INPUT_UP) && !checkGameController(INPUT_DOWN) && !checkGameController(INPUT_LEFT) && !checkGameController(INPUT_RIGHT) &&
!checkGameController(INPUT_ACCEPT) && !checkGameController(INPUT_CANCEL) && !checkGameController(INPUT_PAUSE) &&
!checkGameController(INPUT_FIRE_UP) && !checkGameController(INPUT_FIRE_LEFT) && !checkGameController(INPUT_FIRE_RIGHT);
break;
case INPUT_UP:
success = (SDL_JoystickGetAxis(mGameController, 1) < -JOYSTICK_DEAD_ZONE) || (SDL_JoystickGetButton(mGameController, SDL_CONTROLLER_BUTTON_DPAD_UP));
break;
case INPUT_DOWN:
success = (SDL_JoystickGetAxis(mGameController, 1) > JOYSTICK_DEAD_ZONE) || (SDL_JoystickGetButton(mGameController, SDL_CONTROLLER_BUTTON_DPAD_DOWN));
break;
case INPUT_LEFT:
success = (SDL_JoystickGetAxis(mGameController, 0) < -JOYSTICK_DEAD_ZONE) || (SDL_JoystickGetButton(mGameController, SDL_CONTROLLER_BUTTON_DPAD_LEFT));
break;
case INPUT_RIGHT:
success = (SDL_JoystickGetAxis(mGameController, 0) > JOYSTICK_DEAD_ZONE) || (SDL_JoystickGetButton(mGameController, SDL_CONTROLLER_BUTTON_DPAD_RIGHT));
break;
case INPUT_ACCEPT:
success = (SDL_JoystickGetButton(mGameController, SDL_CONTROLLER_BUTTON_B));
break;
case INPUT_CANCEL:
success = (SDL_JoystickGetButton(mGameController, SDL_CONTROLLER_BUTTON_A));
break;
case INPUT_PAUSE:
success = (SDL_JoystickGetButton(mGameController, SDL_CONTROLLER_BUTTON_START));
break;
case INPUT_FIRE_UP:
success = (SDL_JoystickGetButton(mGameController, SDL_CONTROLLER_BUTTON_Y));
break;
case INPUT_FIRE_LEFT:
success = (SDL_JoystickGetButton(mGameController, SDL_CONTROLLER_BUTTON_X));
break;
case INPUT_FIRE_RIGHT:
success = (SDL_JoystickGetButton(mGameController, SDL_CONTROLLER_BUTTON_B));
break;
default:
break;
}
return success;
}*/
// Comprueba si hay un mando conectado
bool Input::discoverGameController()
{
bool found = false;
/*
printf("%i joystics found\n", SDL_NumJoysticks());
for (int i = 0; i < SDL_NumJoysticks(); ++i)
{
if (SDL_IsGameController(i))
{
char *mapping;
printf("Index %i is a compatible controller, named %s\n", i, SDL_GameControllerNameForIndex(i));
mGameController = SDL_GameControllerOpen(i);
mapping = SDL_GameControllerMapping(mGameController);
printf("Controller %i is mapped as %s\n", i, mapping);
SDL_free(mapping);
found = true;
}
else
{
printf("Index %i is not a compatible controller.\n", i);
found = false;
}
}
*/
if (SDL_WasInit(SDL_INIT_GAMECONTROLLER) != 1)
SDL_InitSubSystem(SDL_INIT_GAMECONTROLLER);
int nJoysticks = SDL_NumJoysticks();
int numGamepads = 0;
// Count how many controllers there are
for (int i = 0; i < nJoysticks; i++)
if (SDL_IsGameController(i))
numGamepads++;
printf("%i joysticks found, %i are gamepads\n", nJoysticks, numGamepads);
//if (numGamepads > 0)
// found = true;
//SDL_JoystickEventState(SDL_ENABLE);
if (numGamepads > 0)
{
for (int i = 0; i < numGamepads; i++)
{
// Open the controller and add it to our list
mGameController = SDL_GameControllerOpen(i);
if (SDL_GameControllerGetAttached(mGameController) == 1)
//connectedControllers.push_back(pad);
{
found = true;
printf("%s\n", SDL_GameControllerNameForIndex(i));
}
else
std::cout << "SDL_GetError() = " << SDL_GetError() << std::endl;
}
SDL_GameControllerEventState(SDL_ENABLE);
}
//SDL_GameControllerGetButton(mGameController, SDL_CONTROLLER_BUTTON_A);
//printf("hola");
return found;
}
/*if (SDL_NumJoysticks() < 1)
{
printf("Warning: No joysticks connected!\n");
mGameControllerFound = false;
std::cout << "Warning: No joysticks connected!\n";
}
else
{*/
// Carga el mando
/*mGameController = SDL_GameControllerOpen(0);
if (mGameController == NULL)
{
printf("Warning: Unable to open game controller!\nSDL Error: %s\n", SDL_GetError());
mGameControllerFound = false;
}
else
{
printf("%i joysticks were found.\n", SDL_NumJoysticks());
std::cout << "joysticks were found!\n";
mGameControllerFound = true;
//printf("%i buttons\n", SDL_JoystickNumButtons(mGameController));
// Obtiene el dispositivo de control háptico
mControllerHaptic = SDL_HapticOpenFromJoystick(mGameController);
if (mControllerHaptic == NULL)
{
printf("Warning: Controller does not support haptics!\nSDL Error: %s\n", SDL_GetError());
}
else
{
printf("Haptics detected\n");
// Inicializa la vibración
if (SDL_HapticRumbleInit(mControllerHaptic) < 0)
{
printf("Warning: Unable to initialize rumble!\nSDL Error: %s\n", SDL_GetError());
}
}
}
}
return mGameControllerFound;
}*/