MainMenuState.cpp

#include "MainMenuState.hpp"
#include "InstructionState.hpp"
#include "Levels/Level1.hpp"
#include "Levels/Level2.hpp"
#include "Levels/Level3.hpp"
#include "DEFINITIONS.hpp"

#include <iostream>

namespace engine{

	//Constructor of FinishState
    MainMenuState::MainMenuState(GameDataRef data):
            _data(data)
    {}

	//Run on initialization of state
    void MainMenuState::Init() {
    	//stop the background music.
        _data->sound.BackGroundMusic.stop();

		//background Initializer
		_data->assets.LoadTexture("MainMenuState Background", MAIN_MENU_BACKGROUND_FILEPATH);
        _background.setTexture(_data->assets.GetTexture("MainMenuState Background"));
        _background.setScale(SCREEN_WIDTH/_background.getGlobalBounds().width,SCREEN_HEIGHT/_background.getGlobalBounds().height);

		//main menu titel initializer
		_data->assets.LoadTexture("MainMenuTitle", MAIN_MENU_TITLE_FILEPATH);
        _title.setTexture(_data->assets.GetTexture("MainMenuTitle"));
        _title.setPosition(SCREEN_WIDTH/2 - _title.getGlobalBounds().width/2, _title.getGlobalBounds().height/2);

		//play button Initializer
		_data->assets.LoadTexture("MainMenuPlayButton", MAIN_MENU_PLAY_BUTTON_FILEPATH);
		_data->assets.LoadTexture("MainMenuPlayButtonHover", MAIN_MENU_PLAY_BUTTON_HOVER_FILEPATH);
        _play_button.setTexture(_data->assets.GetTexture("MainMenuPlayButton"));
        _play_button.setPosition(SCREEN_WIDTH/2 + 100, _play_button.getGlobalBounds().height*2.5);

		//quit button Initializer
		_data->assets.LoadTexture("MainMenuQuitButton",MAIN_MENU_QUIT_BUTTON_FILEPATH );
		_data->assets.LoadTexture("MainMenuQuitButtonHover", MAIN_MENU_QUIT_BUTTON_HOVER_FILEPATH);
		_quit_button.setTexture(_data->assets.GetTexture("MainMenuQuitButton"));
		_quit_button.setPosition(SCREEN_WIDTH/2 - 100 - _quit_button.getGlobalBounds().width, _quit_button.getGlobalBounds().height*2.5);

		//instructions button Initializer
        _data->assets.LoadTexture("MainMenuInstructionsButton", INSTRUCTIONS_BUTTON);
        _data->assets.LoadTexture("MainMenuInstructionsButtonHover", INSTRUCTIONS_BUTTON_HOVER);
        _instructions_button.setTexture(_data->assets.GetTexture("MainMenuInstructionsButton"));
        _instructions_button.setPosition(SCREEN_WIDTH/2 - 220, _instructions_button.getGlobalBounds().height*5.5);

		//load mute and unmute image.
		_data->assets.LoadTexture("Unmute", UNMUTE_FILEPATH);
		_data->assets.LoadTexture("Mute", MUTE_FILEPATH);

		//change texture to mute image if music is muted
        if(_data->sound.BackGroundMusic.getVolume() == 0){
            mute = true;
            muteSprite.setTexture(_data->assets.GetTexture("Mute"));
        }
        //change texture to unmute image if music is not muted
        else{
            mute = false;
            muteSprite.setTexture(_data->assets.GetTexture("Unmute"));
        }
        muteSprite.setPosition(10,SCREEN_HEIGHT - muteSprite.getGlobalBounds().height - 10);
    }

    void MainMenuState::HandleInput() {
        sf::Event event;

		//Check for windows x button
        while(_data->renderWindow.pollEvent(event)){
            if(sf::Event::Closed == event.type){
                _data->renderWindow.close();
            }
        }

		//Change texture if hovered over play button
		if(_data->input.HoverOverButton(_play_button, _data->renderWindow) && _data->renderWindow.hasFocus() &&!_hoverPlay){
			_hoverPlay = true;
			_play_button.setTexture(_data->assets.GetTexture("MainMenuPlayButtonHover"));
		}
		else if(!_data->input.HoverOverButton(_play_button, _data->renderWindow) && _data->renderWindow.hasFocus() &&_hoverPlay){
			_hoverPlay = false;
			_play_button.setTexture(_data->assets.GetTexture("MainMenuPlayButton"));
		}

		//Change texture if hovered over quit button
		if(_data->input.HoverOverButton(_quit_button, _data->renderWindow) && _data->renderWindow.hasFocus() &&!_hoverQuit){
			_hoverQuit = true;
			_quit_button.setTexture(_data->assets.GetTexture("MainMenuQuitButtonHover"));
		}
		else if(!_data->input.HoverOverButton(_quit_button, _data->renderWindow) && _data->renderWindow.hasFocus() &&_hoverQuit){
			_hoverQuit = false;
			_quit_button.setTexture(_data->assets.GetTexture("MainMenuQuitButton"));
		}

		//Change texture if hovered over instructions button
		if(_data->input.HoverOverButton(_instructions_button, _data->renderWindow) && _data->renderWindow.hasFocus() &&!_hoverInstructions){
			_hoverInstructions = true;
			_instructions_button.setTexture(_data->assets.GetTexture("MainMenuInstructionsButtonHover"));
		}
		else if(!_data->input.HoverOverButton(_instructions_button, _data->renderWindow) && _data->renderWindow.hasFocus() &&_hoverInstructions){
			_hoverInstructions = false;
			_instructions_button.setTexture(_data->assets.GetTexture("MainMenuInstructionsButton"));
		}


		//Check for press play button
		if(_data->input.IsSpriteClicked(_play_button, sf::Mouse::Left, _data->renderWindow) && _data->renderWindow.hasFocus()&& !mouseCheck){
			_data->sound._clickButtonSound.play();
			_data->machine.AddState( StateRef( new Level1(_data)), true);
		}

		//Check for press quit button
		if(_data->input.IsSpriteClicked(_quit_button, sf::Mouse::Left, _data->renderWindow) && _data->renderWindow.hasFocus()&& !mouseCheck){
			_data->sound._clickButtonSound.play();
			_data->renderWindow.close();
		}

		//Check for press instructions button
		if(_data->input.IsSpriteClicked(_instructions_button, sf::Mouse::Left, _data->renderWindow) && _data->renderWindow.hasFocus() && !mouseCheck) {
			_data->sound._clickButtonSound.play();
			_data->machine.AddState(StateRef(new InstructionState(_data)), true);

		}


		//Check for keypress "1" key
		if(sf::Keyboard::isKeyPressed(sf::Keyboard::Num1) &&
                _data->renderWindow.hasFocus()){
            _data->sound._clickButtonSound.play();
			_data->machine.AddState( StateRef( new Level1(_data)), true);
        }
		//Check for keypress "2" key
		if(sf::Keyboard::isKeyPressed(sf::Keyboard::Num2) &&
           _data->renderWindow.hasFocus()){
            _data->sound._clickButtonSound.play();
            _data->machine.AddState( StateRef( new Level2(_data)), true);
        }
		//Check for keypress "3" key
		if(sf::Keyboard::isKeyPressed(sf::Keyboard::Num3) &&
		   _data->renderWindow.hasFocus()){
			_data->sound._clickButtonSound.play();
			_data->machine.AddState( StateRef( new Level3(_data)), true);
		}

		//change mute or unmute image if clicked
        if(!mouseCheck && sf::Mouse::isButtonPressed(sf::Mouse::Left)){
            if(muteSprite.getGlobalBounds().contains(sf::Vector2f{sf::Mouse::getPosition(_data->renderWindow)})){
                mouseCheck = true;
                if(mute){
                    muteSprite.setTexture(_data->assets.GetTexture("Unmute"));
                    _data->sound.setVolume();
                    mute = false;
                }else{
                    muteSprite.setTexture(_data->assets.GetTexture("Mute"));
                    _data->sound.mute();
                    mute = true;
                }
            }
        }

        if(mouseCheck && not sf::Mouse::isButtonPressed(sf::Mouse::Left)){
            mouseCheck = false;
        }
    }

    void MainMenuState::Draw(float dt) {
        _data->renderWindow.clear();
        _data->renderWindow.draw(_background);
        _data->renderWindow.draw(_title);
        _data->renderWindow.draw(_play_button);
		_data->renderWindow.draw(_quit_button);
        _data->renderWindow.draw(_instructions_button);
		_data->renderWindow.draw(muteSprite);
        _data->renderWindow.display();
    }
}