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Dependencies:   mbed

Options_Engine/OptionsEngine.cpp@40:a1cdb6ab08af, 2019-05-09 (annotated)

Committer:
JamesCummins
Date:
Thu May 09 10:52:00 2019 +0000
Revision:
40:a1cdb6ab08af
Parent:
38:a85bc227b907 
Final Submission. I have read and agreed with Statement of Academic Integrity.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JamesCummins 22:4e305ff8a050 1 #include "OptionsEngine.h"
JamesCummins 22:4e305ff8a050 2
JamesCummins 38:a85bc227b907 3 //constructor
JamesCummins 22:4e305ff8a050 4 OptionsEngine::OptionsEngine(){
JamesCummins 22:4e305ff8a050 5 }
JamesCummins 22:4e305ff8a050 6
JamesCummins 38:a85bc227b907 7 //destructor
JamesCummins 22:4e305ff8a050 8 OptionsEngine::~OptionsEngine(){
JamesCummins 22:4e305ff8a050 9 }
JamesCummins 22:4e305ff8a050 10
JamesCummins 38:a85bc227b907 11 //initialiser
JamesCummins 22:4e305ff8a050 12 void OptionsEngine::init(){
JamesCummins 38:a85bc227b907 13 _state = BRIGHTNESS; //first item in menu
JamesCummins 38:a85bc227b907 14 _brightness = 0.5; //medium brightness
JamesCummins 38:a85bc227b907 15 _ball_speed = 5; // 5/10 sensitivity
JamesCummins 22:4e305ff8a050 16 }
JamesCummins 22:4e305ff8a050 17
JamesCummins 22:4e305ff8a050 18 void OptionsEngine::display_options(N5110 &lcd){
JamesCummins 38:a85bc227b907 19 lcd.printString("Options menu", 6, 0); //text for each line of display
JamesCummins 22:4e305ff8a050 20 lcd.printString("Brightness", 12, 2);
JamesCummins 22:4e305ff8a050 21 lcd.printString("Ball speed", 12, 3);
JamesCummins 22:4e305ff8a050 22 lcd.printString("High scores", 9, 4);
JamesCummins 22:4e305ff8a050 23 }
JamesCummins 22:4e305ff8a050 24
JamesCummins 22:4e305ff8a050 25 Option OptionsEngine::option_selection(Gamepad &gamepad, N5110 &lcd){
JamesCummins 38:a85bc227b907 26 OptionSelection fsm[3] = { //finite state machine to power the menu
JamesCummins 38:a85bc227b907 27 {2,{HIGH_SCORES, BALL_SPEED, BRIGHTNESS}}, //output (e.g. 2,3,4) is line to print arrows on for user interface
JamesCummins 38:a85bc227b907 28 {3,{BRIGHTNESS, HIGH_SCORES, BALL_SPEED}}, //next_state[0] is the option above current one
JamesCummins 38:a85bc227b907 29 {4,{BALL_SPEED, BRIGHTNESS, HIGH_SCORES}} //next_state[1] is the option below current one
JamesCummins 38:a85bc227b907 30 }; //next_state[2] is current state
JamesCummins 38:a85bc227b907 31 if(gamepad.get_direction() == N){ _next_state = 0; } //move arrows up
JamesCummins 38:a85bc227b907 32 else if(gamepad.get_direction() == S){ _next_state = 1; } //move arrows down
JamesCummins 38:a85bc227b907 33 else{ _next_state = 2; } //keep arrows the same (default)
JamesCummins 38:a85bc227b907 34 _state = fsm[_state].next_state[_next_state]; //calculate next state
JamesCummins 22:4e305ff8a050 35 lcd.printChar('>', 0, fsm[_state].output);
JamesCummins 38:a85bc227b907 36 lcd.printChar('<', 78, fsm[_state].output); //draw arrows
JamesCummins 22:4e305ff8a050 37 return _state;
JamesCummins 22:4e305ff8a050 38 }
JamesCummins 22:4e305ff8a050 39
JamesCummins 22:4e305ff8a050 40 void OptionsEngine::change_brightness(Gamepad &gamepad, N5110 &lcd){
JamesCummins 38:a85bc227b907 41 while(!(gamepad.check_event(gamepad.A_PRESSED))){ //check for user selection
JamesCummins 22:4e305ff8a050 42 lcd.clear();
JamesCummins 38:a85bc227b907 43 lcd.printString("Brightness", 12, 0); //text to display on each line
JamesCummins 22:4e305ff8a050 44 lcd.printString("Use L and R to", 0, 3);
JamesCummins 22:4e305ff8a050 45 lcd.printString("change", 24, 4);
JamesCummins 22:4e305ff8a050 46 lcd.printString("A = confirm", 9, 5);
JamesCummins 38:a85bc227b907 47 lcd.drawRect(10, 12, 63, 8, FILL_TRANSPARENT); //outside of slider to display the brightness controller
JamesCummins 22:4e305ff8a050 48 read_brightness_input(gamepad);
JamesCummins 22:4e305ff8a050 49 for(int i = 0; i < _brightness*10; i ++){
JamesCummins 38:a85bc227b907 50 lcd.drawRect(12+6*i, 14, 5, 4, FILL_BLACK); //draw small rectangles to represent the current brightness
JamesCummins 22:4e305ff8a050 51 }
JamesCummins 38:a85bc227b907 52 lcd.setBrightness(_brightness); //set brightness with N5110 class
JamesCummins 22:4e305ff8a050 53 lcd.refresh();
JamesCummins 38:a85bc227b907 54 wait(0.2); //avoid button bounce with large time between frames
JamesCummins 22:4e305ff8a050 55 }
JamesCummins 22:4e305ff8a050 56 }
JamesCummins 22:4e305ff8a050 57
JamesCummins 22:4e305ff8a050 58 void OptionsEngine::read_brightness_input(Gamepad &gamepad){
JamesCummins 23:61fa82f76808 59 if(gamepad.check_event(gamepad.L_PRESSED)){ _brightness -= 0.1f; } //Use of f to explicitly convert to a float (to fit declaration type in header file).
JamesCummins 22:4e305ff8a050 60 if(gamepad.check_event(gamepad.R_PRESSED)){ _brightness += 0.1f; } //Otherwise 0.1 is implicitly converted to a double (giving warning messages).
JamesCummins 38:a85bc227b907 61 if(_brightness < 0){ _brightness = 0; } //keep within range of 0 - 1
JamesCummins 22:4e305ff8a050 62 if(_brightness > 1){ _brightness = 1; }
JamesCummins 22:4e305ff8a050 63 }
JamesCummins 23:61fa82f76808 64
JamesCummins 23:61fa82f76808 65 void OptionsEngine::change_ball_speed(Gamepad &gamepad, N5110 &lcd, Ball &ball){
JamesCummins 38:a85bc227b907 66 while(!(gamepad.check_event(gamepad.A_PRESSED))){ //check for user selection
JamesCummins 23:61fa82f76808 67 lcd.clear();
JamesCummins 38:a85bc227b907 68 lcd.printString("Ball Speed", 12, 0); //text for each line of display
JamesCummins 23:61fa82f76808 69 lcd.printString("Use L and R to", 0, 3);
JamesCummins 23:61fa82f76808 70 lcd.printString("change", 24, 4);
JamesCummins 23:61fa82f76808 71 lcd.printString("A = confirm", 9, 5);
JamesCummins 23:61fa82f76808 72 lcd.drawRect(10, 12, 63, 8, FILL_TRANSPARENT);
JamesCummins 38:a85bc227b907 73 read_ball_speed_input(gamepad); //get values for sensitivity/ball speed
JamesCummins 23:61fa82f76808 74 for(int i = 0; i < _ball_speed; i ++){
JamesCummins 38:a85bc227b907 75 lcd.drawRect(12+6*i, 14, 5, 4, FILL_BLACK); //draw small rectangles in the same manner as brightness control
JamesCummins 23:61fa82f76808 76 }
JamesCummins 23:61fa82f76808 77 ball.set_ball_speed(_ball_speed);
JamesCummins 23:61fa82f76808 78 lcd.refresh();
JamesCummins 38:a85bc227b907 79 wait(0.2); //avoid button bounce
JamesCummins 23:61fa82f76808 80 }
JamesCummins 23:61fa82f76808 81 }
JamesCummins 23:61fa82f76808 82
JamesCummins 23:61fa82f76808 83 void OptionsEngine::read_ball_speed_input(Gamepad &gamepad){
JamesCummins 38:a85bc227b907 84 if(gamepad.check_event(gamepad.L_PRESSED)){ _ball_speed -= 1; } //increment on R press, decrement on L press
JamesCummins 23:61fa82f76808 85 if(gamepad.check_event(gamepad.R_PRESSED)){ _ball_speed += 1; }
JamesCummins 38:a85bc227b907 86 if(_ball_speed < 0){ _ball_speed = 0; } //keep within range 0 - 10
JamesCummins 23:61fa82f76808 87 if(_ball_speed > 10){ _ball_speed = 10; }
JamesCummins 24:c6415cc74b17 88 }
JamesCummins 24:c6415cc74b17 89
JamesCummins 26:0dc10374546f 90 void OptionsEngine::view_high_scores(Gamepad &gamepad, N5110 &lcd){
JamesCummins 38:a85bc227b907 91 _leaderboard = CLASSIC_MODE; //initialise to look at classic leaderboard first
JamesCummins 38:a85bc227b907 92 while(!(gamepad.check_event(gamepad.A_PRESSED))){ //check for user selection
JamesCummins 38:a85bc227b907 93 if(gamepad.check_event(gamepad.R_PRESSED)){ _leaderboard = BRICKBREAKER_MODE; } //use L and R to flick between the two leaderboards
JamesCummins 24:c6415cc74b17 94 if(gamepad.check_event(gamepad.L_PRESSED)){ _leaderboard = CLASSIC_MODE; }
JamesCummins 24:c6415cc74b17 95 lcd.clear();
JamesCummins 26:0dc10374546f 96 print_high_scores(lcd);
JamesCummins 24:c6415cc74b17 97 lcd.refresh();
JamesCummins 24:c6415cc74b17 98 wait(0.2);
JamesCummins 24:c6415cc74b17 99 }
JamesCummins 24:c6415cc74b17 100 }
JamesCummins 24:c6415cc74b17 101
JamesCummins 35:138ad0faa42b 102 void OptionsEngine::read_classic_high_scores(){
JamesCummins 38:a85bc227b907 103 FILE *fp; //open file stream
JamesCummins 38:a85bc227b907 104 fp = fopen("/sd/classichighscores.txt", "r"); //classic high scores file in read mode
JamesCummins 35:138ad0faa42b 105
JamesCummins 35:138ad0faa42b 106 if(fp == NULL){
JamesCummins 38:a85bc227b907 107 printf("Error: Could not open file"); //check open
JamesCummins 35:138ad0faa42b 108 } else {
JamesCummins 35:138ad0faa42b 109 int i = 0;
JamesCummins 38:a85bc227b907 110 rewind(fp); //reset to start of file to start reading
JamesCummins 35:138ad0faa42b 111
JamesCummins 38:a85bc227b907 112 while(fscanf(fp, "%d,%f", &_classic_index[i], &_classic_values[i]) != EOF){ //read each index and value into arrays till end of file
JamesCummins 38:a85bc227b907 113 i++; //increment counter
JamesCummins 35:138ad0faa42b 114 }
JamesCummins 38:a85bc227b907 115 fclose(fp); //close file stream
JamesCummins 26:0dc10374546f 116 }
JamesCummins 35:138ad0faa42b 117 }
JamesCummins 35:138ad0faa42b 118
JamesCummins 35:138ad0faa42b 119 void OptionsEngine::read_bb_high_scores(){
JamesCummins 38:a85bc227b907 120 FILE *fp; //open file stream
JamesCummins 38:a85bc227b907 121 fp = fopen("/sd/bbhighscores.txt", "r"); //brickbreaker high scores in read mode
JamesCummins 35:138ad0faa42b 122
JamesCummins 35:138ad0faa42b 123 if(fp == NULL){
JamesCummins 38:a85bc227b907 124 printf("Error: Could not open file"); //check open
JamesCummins 35:138ad0faa42b 125 } else {
JamesCummins 35:138ad0faa42b 126 int i = 0;
JamesCummins 38:a85bc227b907 127 rewind(fp); //reset to start of file
JamesCummins 35:138ad0faa42b 128
JamesCummins 38:a85bc227b907 129 while(fscanf(fp, "%d,%f", &_bb_index[i], &_bb_values[i]) != EOF){ //read each index and value into array till end of file
JamesCummins 38:a85bc227b907 130 i++; //increment counter
JamesCummins 35:138ad0faa42b 131 }
JamesCummins 38:a85bc227b907 132 fclose(fp); //close file stream
JamesCummins 26:0dc10374546f 133 }
JamesCummins 26:0dc10374546f 134 }
JamesCummins 26:0dc10374546f 135
JamesCummins 26:0dc10374546f 136 void OptionsEngine::print_high_scores(N5110 &lcd){
JamesCummins 38:a85bc227b907 137 if(_leaderboard == CLASSIC_MODE){ //check which leaderboard to display
JamesCummins 35:138ad0faa42b 138 read_classic_high_scores();
JamesCummins 38:a85bc227b907 139 lcd.printString("Classic", 21, 0); //text for user interface with leaderboard
JamesCummins 35:138ad0faa42b 140 lcd.printString("R>", 72, 3);
JamesCummins 35:138ad0faa42b 141 char buffer[14];
JamesCummins 38:a85bc227b907 142 for(int i = 0; i < 5; i++){ //iterate for each of 5 high scores
JamesCummins 38:a85bc227b907 143 sprintf(buffer, "%d. %.0fs", _classic_index[i], _classic_values[i]); //update the buffer for each line of high scores
JamesCummins 38:a85bc227b907 144 lcd.printString(buffer, 0, i + 1); //print the respective high score to screen
JamesCummins 35:138ad0faa42b 145 }
JamesCummins 24:c6415cc74b17 146 }
JamesCummins 38:a85bc227b907 147 if(_leaderboard == BRICKBREAKER_MODE){ //check which leaderboard to display
JamesCummins 26:0dc10374546f 148 read_bb_high_scores();
JamesCummins 38:a85bc227b907 149 lcd.printString("Brickbreak", 12, 0); //text for user interface
JamesCummins 35:138ad0faa42b 150 lcd.printString("<L", 72, 3);
JamesCummins 35:138ad0faa42b 151 char buffer[14];
JamesCummins 38:a85bc227b907 152 for(int i = 0; i < 5; i++){ //iterate for each of 5 high scores
JamesCummins 38:a85bc227b907 153 sprintf(buffer, "%d. %.0f", _bb_index[i], _bb_values[i]); //update buffer for each line of high scores
JamesCummins 38:a85bc227b907 154 lcd.printString(buffer, 0, i + 1); //print respective high score to screen
JamesCummins 26:0dc10374546f 155 }
JamesCummins 24:c6415cc74b17 156 }
JamesCummins 23:61fa82f76808 157 }