input.cpp

#include "input.h"
#include "constants.h"

Input::Input()
{
    CurrentMousex = 0;
    CurrentMousey = 0;
    IsLeftClickHeldDown = false;
    IsRightClickHeldDown = false;
    DidWeJustClickLeftClick = false;
    TurningCellsOnOrOff = TURNING_CELLS_ON;
    ShouldWeUpdateTurningCellsOnOrOff = 0;
}

void Input::readInput(bool &quit, Timer &Time)
{
    DidWeJustClickLeftClick = false;
    //While there's events to handle
    while (SDL_PollEvent (&event))
    {
        if (event.type == SDL_MOUSEBUTTONDOWN)
        {
            if (event.button.button == SDL_BUTTON_LEFT)
            {
                DidWeJustClickLeftClick = true;
                IsLeftClickHeldDown = true;
            }
            else if (event.button.button == SDL_BUTTON_RIGHT)
            {

                IsRightClickHeldDown = true;
            }

        }

        if (event.type == SDL_MOUSEBUTTONUP)
        {
            if (event.button.button == SDL_BUTTON_LEFT)
            {
                IsLeftClickHeldDown = false;
                ShouldWeUpdateTurningCellsOnOrOff = true;
            }

            if (event.button.button == SDL_BUTTON_RIGHT)
            {
                IsRightClickHeldDown = false;
                ShouldWeUpdateTurningCellsOnOrOff = true;
            }
        }
        if (event.type == SDL_MOUSEMOTION)
        {
            //Get new xy position for mouse
            CurrentMousex = event.motion.x;
            CurrentMousey = event.motion.y;
        }

        if( event.type == SDL_KEYDOWN )
        {
            switch( event.key.keysym.sym )
            {
                case SDLK_SPACE:
                    if (Time.is_paused() == true)
                        Time.unpause();
                    else
                        Time.pause();
                    break;
            }
        }

        //If the user has Xed out the window
        if (event.type == SDL_QUIT)
            quit = true;
    }
}

void Input::handleMouseInput(Board &BoardObject, Timer &Time, Menu &aMenuObject)
{
    handleMenuInput(aMenuObject, Time);

    if (IsLeftClickHeldDown == true || IsRightClickHeldDown == true)
    {
        SDL_Rect BoundingRegion;
        int counter = 0;
        while (counter < NUMBER_OF_CELLS_ON_GRID)
        {
            BoundingRegion = BoardObject.getCell(counter);
            if (((CurrentMousex > BoundingRegion.x) && (CurrentMousex < BoundingRegion.x + BoundingRegion.w) && (CurrentMousey > BoundingRegion.y) && (CurrentMousey < BoundingRegion.y + BoundingRegion.h)))
            {
                //to make it so cells will only go on or off per each mouse hold
                if (BoardObject.getIsCellOccupied(counter) == true && ShouldWeUpdateTurningCellsOnOrOff == true)
                {
                    TurningCellsOnOrOff = TURNING_CELLS_OFF;
                        ShouldWeUpdateTurningCellsOnOrOff = false;
                }
                else if (BoardObject.getIsCellOccupied(counter) == false && ShouldWeUpdateTurningCellsOnOrOff == true)
                {
                    TurningCellsOnOrOff = TURNING_CELLS_ON;
                    ShouldWeUpdateTurningCellsOnOrOff = false;
                }


                if (TurningCellsOnOrOff == TURNING_CELLS_OFF)
                {
                    BoardObject.setIsCellOccupied(counter, false);
                    BoardObject.setColor(counter, NO_COLOR);
                }
                else if (TurningCellsOnOrOff == TURNING_CELLS_ON)
                {
                    BoardObject.setIsCellOccupied(counter, true);

                    if (IsLeftClickHeldDown == true)
                        BoardObject.setColor(counter, GREEN);
                    if (IsRightClickHeldDown == true)
                        BoardObject.setColor(counter, RED);
                }

                counter = NUMBER_OF_CELLS_ON_GRID;
            }
            counter++;
        }
    }
}

void Input::handleMenuInput(Menu &aMenuObject, Timer &Time)
{
    int counter = 0;
    SDL_Rect BoundingRegion;
    if (DidWeJustClickLeftClick == true)
    {
        aMenuObject.setDisplaySpeedMenu(false);
        BoundingRegion = aMenuObject.getButtonArea(counter);


        while (counter < NUMBER_OF_BUTTONS)
        {
            BoundingRegion = aMenuObject.getButtonArea(counter);

            if (((CurrentMousex > BoundingRegion.x) && (CurrentMousex < BoundingRegion.x + BoundingRegion.w) && (CurrentMousey > BoundingRegion.y) && (CurrentMousey < BoundingRegion.y + BoundingRegion.h)))
            {
                aMenuObject.setIsButtonPressed(counter, 1);
                aMenuObject.enactMenuChoice(Time);
            }

            counter++;
        }

    }

}