File content as of revision 10:71ced616a64f:

/* 
ELEC2645 Embedded Systems Project
School of Electronic & Electrical Engineering
University of Leeds
2019/20

Name: Albert Tan Mulligan
Username: el18ajst
Student ID Number:201241153
Date:10/4/2020
*/

// includes
#include "mbed.h"
#include "Gamepad.h"
#include "N5110.h"
#include "Character.h"
#include "Bullets.h"
#include "Enemy.h"
#include <vector>
Serial pc(USBTX, USBRX);
//STRUCTS
struct State {
int number;
int next_state[2];
};

//OBJECTS
Gamepad pad;
N5110 lcd;
Character p1;
vector<Bullets> shots;
vector<Enemy> enemies;
Direction holder;
int melody[46] = {277, 330, 311, 277, 330, 311, 330, 311, 370, 330, 415, 330, 277, 330, 311, 277, 330, 311, 330, 311, 370, 330, 311, 247, 277, 330, 311, 277, 330, 311, 330, 311, 370, 330, 415, 440, 330, 415, 440, 494, 554, 415, 440, 494, 622, 659}; // #c = 277, d# =311, f# = 370, g# = 415
int durations[46] = {4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4};
//Variables
State fsm[4] = {
        {0,{1,1}},
        {1,{2,3}},
        {2,{1,0}},
        {3,{0,0}}
        };
volatile int Current_State = 0;
volatile int timer = 0;
volatile int score = 0;
//PROTOTYPES
void menu();
void GameRun();
void Pause();
void AddEnemy();
void PlayerDead();
void animation();
void reset();
//FUNCTIONS
int main()
    {    
    //pc.printf("Main Open");
     //SETUPS
    pad.init();
    lcd.init();
    lcd.setContrast(0.4+(pad.read_pot1()/2.0));
    lcd.clear();
    lcd.refresh();
    //testing CoolTerm
    //pc.printf("CoolTerm is Connected\n");
    //pc.printf("CurrentState = %d\n", Current_State);
    
    while(1){
    if(Current_State == 0){
        menu();
        }
    else if (Current_State == 1){
        GameRun();
        }
    else if (Current_State == 2){
        Pause();
        }
    else if (Current_State == 3){
        PlayerDead();
        }
}
}

void menu(){    
    //pc.printf("Menu Open");
    lcd.clear();
    lcd.printString("BoxHead",21,1);  
    lcd.printString("  Press A to  ",0,3); 
    lcd.printString("Start",27,4); 
    lcd.refresh();
        while (1) {
        //pc.printf("While Loop + %d", g_pad.Button_A_flag);
            if (pad.A_pressed()) {
                //pc.printf("Button_A");
                animation();
                Current_State = fsm[0].next_state[0];
                enemies.push_back(Enemy(timer));
                p1.init(40,22);     
                return;
            }
        sleep();
        }
}
                                                                         
void GameRun(){
    //pc.printf("Game Open");
    Direction dir = pad.get_direction();
    float mag = pad.get_mag();
    pad.play_melody(46, melody,durations,180.0,true);
    while(1){
        timer++;
        if(timer%100==0){
                AddEnemy();
        }
        //movement code
        dir = pad.get_direction();
        mag = pad.get_mag();
        if(dir == N){
            holder = dir;
            }
        else if(dir == S){
            holder = dir;
            }
        else if(dir == E){
            holder = dir;
            }
        else if(dir == W){
            holder = dir;
            }        
        if (pad.A_pressed()) {
            shots.push_back(Bullets(p1.get_x()+2, p1.get_y()+2, holder));
        }
        p1.update(dir, mag);
        for(int i = 0; i<shots.size(); i++){
            shots.at(i).update();
            }
        for(int i = 1; i<shots.size(); i++){
            if(shots.at(i).get_x()>84|shots.at(i).get_x()<1|shots.at(i).get_y()>48|shots.at(i).get_y()<1){
                shots.erase(shots.begin()+i);
                }
            }
        for(int i = 0; i<enemies.size(); i++){
            enemies.at(i).update(p1.get_x()+1, p1.get_y()+1);
            if(enemies.at(i).get_x()>= p1.get_x()-1 & enemies.at(i).get_x()<= p1.get_x()+3&enemies.at(i).get_y()>= p1.get_y()-1 & enemies.at(i).get_y()<= p1.get_y()+3){
                Current_State = fsm[Current_State].next_state[1];
                return;
                }
            for(int j = 0; j<shots.size(); j++){
               if(shots.at(j).get_x() >= enemies.at(i).get_x() & shots.at(j).get_x()<= enemies.at(i).get_x()+3 & shots.at(j).get_y() >= enemies.at(i).get_y() & shots.at(j).get_y()<= enemies.at(i).get_y()+3){
                    shots.at(j).dead();
                    enemies.at(i).reset(timer);
                    score++;
                    }   
                }
            }
        
        lcd.clear(); 
        for(int i = 0; i<enemies.size(); i++){
            enemies.at(i).draw(lcd);
            }
        for(int i = 0; i<shots.size(); i++){
            shots.at(i).draw(lcd);
            }
        p1.draw(lcd);
        lcd.refresh();
        wait(1.0f/10.0f);
        if (pad.start_pressed()) {
            Current_State = fsm[Current_State].next_state[0];
            return;

        }
    }
}
void Pause(){
        lcd.printString("    PAUSED",0,1);  
        lcd.refresh();  
                // put the MCU to sleep until an interrupt wakes it up
        if (pad.start_pressed()) {
            Current_State = fsm[Current_State].next_state[0];
            return;

        }
        if (pad.B_pressed()) {
            Current_State = fsm[Current_State].next_state[1];
            lcd.clear();
            return;

        }
        sleep();
    }
void AddEnemy(){
    enemies.push_back(Enemy(timer));
    return;
    }
void PlayerDead(){
    lcd.clear();
    lcd.printString("YOU DIED",18,1);  
    char buffer[14];
    if(score>10){
    sprintf(buffer, "   Score:%d", score);
    lcd.printString(buffer,0,2); 
    }else{
    sprintf(buffer, "Score:0%d", score);
    lcd.printString(buffer,18,2); 
        }
    lcd.printString("  Press A to  ",0,4); 
    lcd.printString("Restart",21,5); 
    lcd.refresh(); 
    while(1){
        if(pad.A_pressed()){
        Current_State =fsm[Current_State].next_state[1];
        return;
        }
        sleep();
        }
    }
    
void animation(){
    for(int i = 1; i<=42; i++){
    lcd.drawRect(0,0,i,48,FILL_BLACK);
    lcd.drawRect(84-i,0,i,48,FILL_BLACK);
    lcd.refresh();
    wait(0.005);
    }
    for(int i = 1; i<=42; i++){
    lcd.drawRect(0,0,i,48,FILL_WHITE);
    lcd.drawRect(84-i,0,i,48,FILL_WHITE);
    lcd.refresh();
    wait(0.005);
    }
    
    return;
    }