Joe Shotton / Mbed 2 deprecated ELEC2645_Project_ll16j23s

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Dependencies:   mbed ll16j23s_test_docs

SnakeEngine/SnakeEngine.cpp@10:a2d643b3c782, 2020-05-26 (annotated)

Committer:
JoeShotton
Date:
Tue May 26 23:25:09 2020 +0000
Revision:
10:a2d643b3c782
Parent:
9:0571880085cc 
Removed several bugs, started on thorough documentation

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JoeShotton 3:fcd6d70e9694 1 #include "SnakeEngine.h"
JoeShotton 3:fcd6d70e9694 2
JoeShotton 7:dd84e0fab346 3 SnakeEngine::SnakeEngine() {
JoeShotton 7:dd84e0fab346 4 //constructor
JoeShotton 9:0571880085cc 5 _menu_select = 0;
JoeShotton 9:0571880085cc 6 _map_select = 0;
JoeShotton 8:bcc3403d7e79 7 _pot2 = 0.5;
JoeShotton 9:0571880085cc 8 _death = false;
JoeShotton 10:a2d643b3c782 9 score = 0;
JoeShotton 9:0571880085cc 10
JoeShotton 3:fcd6d70e9694 11 }
JoeShotton 3:fcd6d70e9694 12
JoeShotton 3:fcd6d70e9694 13 SnakeEngine::~SnakeEngine()
JoeShotton 3:fcd6d70e9694 14 {
JoeShotton 3:fcd6d70e9694 15 //destructor
JoeShotton 3:fcd6d70e9694 16 }
JoeShotton 3:fcd6d70e9694 17
JoeShotton 7:dd84e0fab346 18 void SnakeEngine::game_init(Gamepad &pad, N5110 &lcd, FXOS8700CQ &mag){
JoeShotton 10:a2d643b3c782 19 game_reset(); //resets game
JoeShotton 10:a2d643b3c782 20 transition_black(lcd); //transition animations
JoeShotton 9:0571880085cc 21 transition_white(lcd);
JoeShotton 10:a2d643b3c782 22 map_run(lcd); //displays map
JoeShotton 10:a2d643b3c782 23 lcd.refresh();
JoeShotton 10:a2d643b3c782 24 _food.init(pad, lcd, mag); //initialises food (including new seed for random function
JoeShotton 10:a2d643b3c782 25 _body.init(); //initialises body
JoeShotton 10:a2d643b3c782 26 menu_flash(pad, 3); //flashes LEDs
JoeShotton 10:a2d643b3c782 27 game_state = 3; //sets game_state to the game itself, which changes the active while loop in main.cpp
JoeShotton 7:dd84e0fab346 28 }
JoeShotton 7:dd84e0fab346 29
JoeShotton 4:ea3fa51c4386 30
JoeShotton 7:dd84e0fab346 31 void SnakeEngine::game_run(Gamepad &pad, N5110 &lcd){
JoeShotton 10:a2d643b3c782 32 map_run(lcd); //displays the map and calculates relevant map collisions
JoeShotton 10:a2d643b3c782 33 _body.run(pad, lcd, _death);
JoeShotton 10:a2d643b3c782 34 _food.run(lcd);
JoeShotton 10:a2d643b3c782 35 snake_food_collision(pad, lcd);
JoeShotton 10:a2d643b3c782 36 if (_death == true) { //checks death (either snake-snake collision or snake-wall-collision)
JoeShotton 10:a2d643b3c782 37 //printf("Dead!");
JoeShotton 10:a2d643b3c782 38 game_state = 4; //sets game_state to death, which changes the active while loop in main.cpp
JoeShotton 10:a2d643b3c782 39 death_init(pad, lcd); //displays death menu
JoeShotton 8:bcc3403d7e79 40 }
JoeShotton 7:dd84e0fab346 41 //snake-wall collision
JoeShotton 7:dd84e0fab346 42 }
JoeShotton 7:dd84e0fab346 43
JoeShotton 10:a2d643b3c782 44 void SnakeEngine::snake_food_collision(Gamepad &pad, N5110 &lcd) {
JoeShotton 10:a2d643b3c782 45 if (_food._x == _body._x_head && _food._y == _body._y_head){ //if coords of food and head match
JoeShotton 4:ea3fa51c4386 46 //printf("FOOD!");
JoeShotton 10:a2d643b3c782 47 pad.led(3,0.9); //turns on green LEDs
JoeShotton 9:0571880085cc 48 pad.led(6,0.9);
JoeShotton 10:a2d643b3c782 49 while (_food.rand_pos(pad, lcd) == false){ //while new food coordinates are in the snake/walls
JoeShotton 10:a2d643b3c782 50 _food.rand_pos(pad, lcd); //choose new coords by rerunning the function
JoeShotton 10:a2d643b3c782 51 //printf("Reselected food position\n");
JoeShotton 9:0571880085cc 52 }
JoeShotton 10:a2d643b3c782 53 _body.add_length(5); //sets length increase
JoeShotton 10:a2d643b3c782 54 score++;
JoeShotton 10:a2d643b3c782 55 pad.led(3,0.0); //turns off green LEDs
JoeShotton 9:0571880085cc 56 pad.led(6,0.0);
JoeShotton 4:ea3fa51c4386 57 }
JoeShotton 4:ea3fa51c4386 58 }
JoeShotton 4:ea3fa51c4386 59
JoeShotton 8:bcc3403d7e79 60 void SnakeEngine::map_run(N5110 &lcd) {
JoeShotton 10:a2d643b3c782 61 switch(_map_select+1) { //selects chosen map
JoeShotton 8:bcc3403d7e79 62 case 2:
JoeShotton 8:bcc3403d7e79 63 map2_draw(lcd);
JoeShotton 8:bcc3403d7e79 64 snake_map2_collision();
JoeShotton 8:bcc3403d7e79 65 break;
JoeShotton 8:bcc3403d7e79 66 case 3:
JoeShotton 8:bcc3403d7e79 67 map3_draw(lcd);
JoeShotton 8:bcc3403d7e79 68 snake_map3_collision();
JoeShotton 8:bcc3403d7e79 69 break;
JoeShotton 8:bcc3403d7e79 70 case 4:
JoeShotton 8:bcc3403d7e79 71 map4_draw(lcd);
JoeShotton 8:bcc3403d7e79 72 snake_map4_collision();
JoeShotton 8:bcc3403d7e79 73 break;
JoeShotton 7:dd84e0fab346 74 }
JoeShotton 7:dd84e0fab346 75 }
JoeShotton 7:dd84e0fab346 76
JoeShotton 10:a2d643b3c782 77 void SnakeEngine::snake_map2_collision() { //ring map
JoeShotton 9:0571880085cc 78 if (_body._x_head < 2 || _body._x_head > 81 || _body._y_head < 2 || _body._y_head > 45){ //if snakehead coords exceed the ring coords
JoeShotton 9:0571880085cc 79 _death = true;
JoeShotton 8:bcc3403d7e79 80 }
JoeShotton 8:bcc3403d7e79 81 }
JoeShotton 8:bcc3403d7e79 82
JoeShotton 10:a2d643b3c782 83 void SnakeEngine::snake_map3_collision() { //cross map
JoeShotton 9:0571880085cc 84 if ((_body._x_head == 40 || _body._x_head == 42) && (_body._y_head < 16 || _body._y_head > 30)){
JoeShotton 9:0571880085cc 85 //if head is at the either of the N/S walls' x coords, and above (y=18) or below (y=30), trigger death
JoeShotton 9:0571880085cc 86 _death = true;
JoeShotton 9:0571880085cc 87 } else if ((_body._x_head < 16 || _body._x_head > 66) && (_body._y_head == 22 || _body._y_head == 24)){
JoeShotton 9:0571880085cc 88 //if head is at west of x=18 or east of x=66, and at either of the W/E wall's y coords, trigger death
JoeShotton 9:0571880085cc 89 _death = true;
JoeShotton 8:bcc3403d7e79 90 }
JoeShotton 8:bcc3403d7e79 91 }
JoeShotton 8:bcc3403d7e79 92
JoeShotton 10:a2d643b3c782 93 void SnakeEngine::snake_map4_collision() { //lanes
JoeShotton 10:a2d643b3c782 94 _map4_location = 0;
JoeShotton 10:a2d643b3c782 95 if (_body._x_head == 8 || _body._x_head == 10 || _body._x_head == 40 || _body._x_head == 42 || _body._x_head == 72 || _body._x_head == 74){
JoeShotton 10:a2d643b3c782 96 _map4_location += 1; //adjust tracker if x matches upper/lower walls
JoeShotton 10:a2d643b3c782 97 } //printf("x matches upper/lower walls");
JoeShotton 10:a2d643b3c782 98 if (_body._y_head < 12 || _body._y_head > 34){
JoeShotton 10:a2d643b3c782 99 _map4_location += 3; //adjust tracker if y matches upper/lower walls
JoeShotton 10:a2d643b3c782 100 } //printf("y matches upper/lower walls");
JoeShotton 10:a2d643b3c782 101 if (_body._x_head == 24 || _body._x_head == 26 || _body._x_head == 56 || _body._x_head == 58){
JoeShotton 10:a2d643b3c782 102 _map4_location += 2; //adjust tracker if x matches mid walls
JoeShotton 10:a2d643b3c782 103 } //printf("x matches mid walls");
JoeShotton 10:a2d643b3c782 104 if (_body._y_head > 14 && _body._y_head < 32){
JoeShotton 10:a2d643b3c782 105 _map4_location += 2; //adjust tracker if y matches mid walls
JoeShotton 10:a2d643b3c782 106 } //printf("y matches mid walls");
JoeShotton 10:a2d643b3c782 107 if (_map4_location == 4){ //tracker will only be 4 if the correct combination of arguments is triggered - ie 1+3 (upper/lower walls) or 2+2 (mid walls)
JoeShotton 10:a2d643b3c782 108 _death = true;
JoeShotton 10:a2d643b3c782 109 } //printf("Wall collision");
JoeShotton 7:dd84e0fab346 110 }
JoeShotton 7:dd84e0fab346 111
JoeShotton 10:a2d643b3c782 112 void SnakeEngine::map2_draw(N5110 &lcd){ //rings
JoeShotton 10:a2d643b3c782 113 lcd.drawRect(0, 0, 84, 48,FILL_TRANSPARENT); //outer pixels of ring
JoeShotton 10:a2d643b3c782 114 lcd.drawRect(1, 1, 82, 46,FILL_TRANSPARENT); //inner pixels
JoeShotton 10:a2d643b3c782 115 }
JoeShotton 10:a2d643b3c782 116
JoeShotton 10:a2d643b3c782 117 void SnakeEngine::map3_draw(N5110 &lcd){ //cross
JoeShotton 10:a2d643b3c782 118 lcd.drawRect(40, 0, 4, 16,FILL_BLACK); //N wall
JoeShotton 10:a2d643b3c782 119 lcd.drawRect(68, 22, 16, 4,FILL_BLACK);//E wall
JoeShotton 10:a2d643b3c782 120 lcd.drawRect(40, 32, 4, 16,FILL_BLACK);//S wall
JoeShotton 10:a2d643b3c782 121 lcd.drawRect(0, 22, 16, 4,FILL_BLACK); //W wall
JoeShotton 7:dd84e0fab346 122 }
JoeShotton 7:dd84e0fab346 123
JoeShotton 10:a2d643b3c782 124 void SnakeEngine::map4_draw(N5110 &lcd){ //lanes
JoeShotton 10:a2d643b3c782 125 lcd.drawRect(8, 0, 4, 12,FILL_BLACK);//NW line
JoeShotton 10:a2d643b3c782 126 lcd.drawRect(8, 36, 4, 12,FILL_BLACK);//SW line
JoeShotton 10:a2d643b3c782 127 lcd.drawRect(40, 0, 4, 12,FILL_BLACK);//N-mid line
JoeShotton 10:a2d643b3c782 128 lcd.drawRect(40, 36, 4, 12,FILL_BLACK);//S-mid line
JoeShotton 10:a2d643b3c782 129 lcd.drawRect(72, 0, 4, 12,FILL_BLACK);//NE line
JoeShotton 10:a2d643b3c782 130 lcd.drawRect(72, 36, 4, 12,FILL_BLACK);//SE line
JoeShotton 10:a2d643b3c782 131 lcd.drawRect(24, 16, 4, 16,FILL_BLACK);//mid-W line
JoeShotton 10:a2d643b3c782 132 lcd.drawRect(56, 16, 4, 16,FILL_BLACK);//mid-E line
JoeShotton 7:dd84e0fab346 133 }
JoeShotton 7:dd84e0fab346 134
JoeShotton 6:6c9453397f4a 135 void SnakeEngine::transition_black(N5110 &lcd) {
JoeShotton 7:dd84e0fab346 136 for (int j = 0; j < 21; j += 4) { //j iterator controls the size and location of current loop
JoeShotton 7:dd84e0fab346 137 //printf("j: %d\n", j);
JoeShotton 7:dd84e0fab346 138 for (int i = 1; i < 84 - (2*j); i += 2) { //i iterator controls length of rectangles
JoeShotton 10:a2d643b3c782 139 lcd.drawRect(j, j, 1 + i, 4, FILL_BLACK); //top horizontal rectangle grows to the right by adding i iterator to width
JoeShotton 10:a2d643b3c782 140 lcd.drawRect(83 - j - i, 44 - j, 1 + i, 4, FILL_BLACK); //bottom horizontal rectangle grows to the left by subtracting i iterator from x position,
JoeShotton 10:a2d643b3c782 141 //and adding i iterator to width
JoeShotton 6:6c9453397f4a 142 wait_ms(5);
JoeShotton 10:a2d643b3c782 143 lcd.refresh(); //refreshes screen without clearing it to maintain previous loops' rectangles
JoeShotton 6:6c9453397f4a 144 }
JoeShotton 7:dd84e0fab346 145 for (int i = 1; i < 43 - (2*j); i += 2) { //i iterator controls length of rectangles
JoeShotton 10:a2d643b3c782 146 lcd.drawRect(80 - j, 4 + j, 4, i,FILL_BLACK); //right vertical rectangle grows down by adding i iterator to height
JoeShotton 10:a2d643b3c782 147 lcd.drawRect(j, 44 - j - i, 4, i,FILL_BLACK); //left vertical rectangle grows up by subtracting i iterator from y position, adds i to height
JoeShotton 6:6c9453397f4a 148 wait_ms(5);
JoeShotton 7:dd84e0fab346 149 lcd.refresh(); //refreshes screen without clearing it to maintain previous loops
JoeShotton 6:6c9453397f4a 150 }
JoeShotton 6:6c9453397f4a 151 }
JoeShotton 6:6c9453397f4a 152 }
JoeShotton 6:6c9453397f4a 153
JoeShotton 6:6c9453397f4a 154 void SnakeEngine::transition_white(N5110 &lcd) {
JoeShotton 10:a2d643b3c782 155 //functionally same as black transition function
JoeShotton 10:a2d643b3c782 156 for (int j = 0; j < 21; j += 4) { //j iterator controls the size and location of current loop
JoeShotton 10:a2d643b3c782 157 //printf("j: %d\n", j);
JoeShotton 10:a2d643b3c782 158 for (int i = 1; i < 84 - (2*j); i += 2) { //i iterator controls length of rectangles
JoeShotton 10:a2d643b3c782 159 lcd.drawRect(j, j, 1 + i, 4, FILL_WHITE); //top horizontal rectangle grows to the right by adding i iterator to width
JoeShotton 10:a2d643b3c782 160 lcd.drawRect(83 - j - i, 44 - j, 1 + i, 4, FILL_WHITE); //bottom horizontal rectangle grows to the left by subtracting i iterator from x position,
JoeShotton 10:a2d643b3c782 161 //and adding i iterator to width
JoeShotton 6:6c9453397f4a 162 wait_ms(5);
JoeShotton 10:a2d643b3c782 163 lcd.refresh(); //refreshes screen without clearing it to maintain previous loops' rectangles
JoeShotton 6:6c9453397f4a 164 }
JoeShotton 10:a2d643b3c782 165 for (int i = 1; i < 43 - (2*j); i += 2) { //i iterator controls length of rectangles
JoeShotton 10:a2d643b3c782 166 lcd.drawRect(80 - j, 4 + j, 4, i,FILL_WHITE); //right vertical rectangle grows down by adding i iterator to height
JoeShotton 10:a2d643b3c782 167 lcd.drawRect(j, 44 - j - i, 4, i,FILL_WHITE); //left vertical rectangle grows up by subtracting i iterator from y position, adds i to height
JoeShotton 6:6c9453397f4a 168 wait_ms(5);
JoeShotton 10:a2d643b3c782 169 lcd.refresh(); //refreshes screen without clearing it to maintain previous loops
JoeShotton 6:6c9453397f4a 170 }
JoeShotton 6:6c9453397f4a 171 }
JoeShotton 6:6c9453397f4a 172 }
JoeShotton 7:dd84e0fab346 173
JoeShotton 9:0571880085cc 174 void SnakeEngine::menu1_init(Gamepad &pad, N5110 &lcd){
JoeShotton 10:a2d643b3c782 175 contrast(pad, lcd); //adjusts contrast before transitions
JoeShotton 10:a2d643b3c782 176 transition_black(lcd);
JoeShotton 7:dd84e0fab346 177 transition_white(lcd);
JoeShotton 7:dd84e0fab346 178 lcd.refresh();
JoeShotton 7:dd84e0fab346 179 //printf("Menu 2\n");
JoeShotton 10:a2d643b3c782 180 lcd.printString("SNAKE",27,0); //displays relevant text
JoeShotton 7:dd84e0fab346 181 lcd.printString("Play",30,2);
JoeShotton 10:a2d643b3c782 182 lcd.drawCircle(24,19,3,FILL_TRANSPARENT); //draws empty circles for option display
JoeShotton 7:dd84e0fab346 183 lcd.printString("Maps",30,3);
JoeShotton 7:dd84e0fab346 184 lcd.drawCircle(24,27,3,FILL_TRANSPARENT);
JoeShotton 7:dd84e0fab346 185 lcd.refresh();
JoeShotton 10:a2d643b3c782 186 menu_flash(pad, 2); //flashes orange LEDs
JoeShotton 7:dd84e0fab346 187 }
JoeShotton 7:dd84e0fab346 188
JoeShotton 10:a2d643b3c782 189 void SnakeEngine::menu1_select(Gamepad &pad, N5110 &lcd, FXOS8700CQ &mag){
JoeShotton 7:dd84e0fab346 190 //printf("Menu 1\n");
JoeShotton 10:a2d643b3c782 191 if (pad.X_held() == true){ //detect if 'up' selection
JoeShotton 10:a2d643b3c782 192 _menu_select--;
JoeShotton 10:a2d643b3c782 193 } else if (pad.B_held() == true){ //detect if 'down' selection
JoeShotton 7:dd84e0fab346 194 _menu_select++;
JoeShotton 7:dd84e0fab346 195 }
JoeShotton 10:a2d643b3c782 196 _menu_select = ((_menu_select % 2) + 2) % 2; //wrap around numbers, ie down on 1 goes to 0 and up on 0 goes to 1
JoeShotton 9:0571880085cc 197 select_circles(lcd, _menu_select + 1); //draw black circle in selected option
JoeShotton 9:0571880085cc 198 //printf("Option: %d\n", _menu_select + 1);
JoeShotton 9:0571880085cc 199
JoeShotton 10:a2d643b3c782 200 if (pad.A_held() == true){ //if option 1 selected and 'A' held
JoeShotton 9:0571880085cc 201 if (_menu_select == 0){
JoeShotton 9:0571880085cc 202 game_init(pad, lcd, mag); //Initialise game
JoeShotton 10:a2d643b3c782 203 } else { //otherwise must be option 2
JoeShotton 9:0571880085cc 204 menu2_init(pad, lcd); //Initialise menu 2
JoeShotton 10:a2d643b3c782 205 menu_flash(pad, 2); //flashes orange LEDs
JoeShotton 9:0571880085cc 206 }
JoeShotton 7:dd84e0fab346 207 }
JoeShotton 7:dd84e0fab346 208 }
JoeShotton 7:dd84e0fab346 209
JoeShotton 9:0571880085cc 210 void SnakeEngine::menu2_init(Gamepad &pad, N5110 &lcd){
JoeShotton 10:a2d643b3c782 211 //printf("Menu 2\n");
JoeShotton 7:dd84e0fab346 212 lcd.clear();
JoeShotton 10:a2d643b3c782 213 lcd.printString(" MAPS",0,0); //displays relevant text
JoeShotton 7:dd84e0fab346 214 lcd.printString("Empty",30,2);
JoeShotton 10:a2d643b3c782 215 lcd.drawCircle(24,19,3,FILL_TRANSPARENT); //draws empty circles for option display
JoeShotton 7:dd84e0fab346 216 lcd.printString("Ring",30,3);
JoeShotton 7:dd84e0fab346 217 lcd.drawCircle(24,27,3,FILL_TRANSPARENT);
JoeShotton 7:dd84e0fab346 218 lcd.printString("Cross",30,4);
JoeShotton 7:dd84e0fab346 219 lcd.drawCircle(24,35,3,FILL_TRANSPARENT);
JoeShotton 10:a2d643b3c782 220 lcd.printString("Lanes",30,5);
JoeShotton 7:dd84e0fab346 221 lcd.drawCircle(24,43,3,FILL_TRANSPARENT);
JoeShotton 7:dd84e0fab346 222 lcd.refresh();
JoeShotton 10:a2d643b3c782 223 game_state = 2; //sets game_state to menu 2, which changes the active while loop in main.cpp
JoeShotton 7:dd84e0fab346 224 }
JoeShotton 7:dd84e0fab346 225
JoeShotton 10:a2d643b3c782 226 void SnakeEngine::menu2_select(Gamepad &pad, N5110 &lcd, FXOS8700CQ &mag){
JoeShotton 10:a2d643b3c782 227
JoeShotton 10:a2d643b3c782 228 select_circles(lcd, _map_select+1);
JoeShotton 7:dd84e0fab346 229
JoeShotton 7:dd84e0fab346 230 //printf("Menu 2\n");
JoeShotton 10:a2d643b3c782 231 if (pad.X_held() == true){
JoeShotton 9:0571880085cc 232 _map_select--;
JoeShotton 10:a2d643b3c782 233 } else if (pad.B_held() == true){
JoeShotton 10:a2d643b3c782 234 _map_select++;
JoeShotton 10:a2d643b3c782 235 } else if (pad.Y_held() == true){
JoeShotton 10:a2d643b3c782 236 preview(pad, lcd); //allows short preview of map to be displayed
JoeShotton 10:a2d643b3c782 237 } else if (pad.A_held() == true){
JoeShotton 10:a2d643b3c782 238 game_init(pad, lcd, mag); //intialises game
JoeShotton 7:dd84e0fab346 239 }
JoeShotton 9:0571880085cc 240 //printf("Map: %d\n", _map_select);
JoeShotton 10:a2d643b3c782 241 _map_select = ((_map_select % 4) + 4) % 4; //wrap around numbers, ie down on 3 goes to 0 and up on 0 goes to 3
JoeShotton 7:dd84e0fab346 242 }
JoeShotton 7:dd84e0fab346 243
JoeShotton 7:dd84e0fab346 244
JoeShotton 9:0571880085cc 245 void SnakeEngine::death_init(Gamepad &pad, N5110 &lcd){
JoeShotton 10:a2d643b3c782 246 _death = 0; //resets death flag
JoeShotton 10:a2d643b3c782 247 _menu_select = 0; //resets menu select so 'play again' is default
JoeShotton 7:dd84e0fab346 248 transition_black(lcd);
JoeShotton 7:dd84e0fab346 249 transition_white(lcd);
JoeShotton 7:dd84e0fab346 250 //printf("Game over\n");
JoeShotton 10:a2d643b3c782 251 lcd.printString(" GAME OVER",3,0); //displays relevant text
JoeShotton 9:0571880085cc 252 lcd.printString(" Score:",0,1);
JoeShotton 10:a2d643b3c782 253 char buffer[14]; //creates a buffer for the score
JoeShotton 9:0571880085cc 254 sprintf(buffer," %2d",score);
JoeShotton 7:dd84e0fab346 255 lcd.printString(buffer,0,2);
JoeShotton 9:0571880085cc 256 lcd.printString("Again!",30,4);
JoeShotton 10:a2d643b3c782 257 lcd.drawCircle(24,35,3,FILL_TRANSPARENT); //draws empty circles for option selection
JoeShotton 9:0571880085cc 258 lcd.printString("Maps",30,5);
JoeShotton 9:0571880085cc 259 lcd.drawCircle(24,43,3,FILL_TRANSPARENT);
JoeShotton 9:0571880085cc 260 lcd.refresh();
JoeShotton 10:a2d643b3c782 261 menu_flash(pad, 1); //flashes red LEDs
JoeShotton 7:dd84e0fab346 262 }
JoeShotton 7:dd84e0fab346 263
JoeShotton 10:a2d643b3c782 264 void SnakeEngine::death_select(Gamepad &pad, N5110 &lcd, FXOS8700CQ &mag){
JoeShotton 9:0571880085cc 265 //printf("Menu 1\n");
JoeShotton 10:a2d643b3c782 266 if (pad.X_held() == true){ //detect if 'up' selection
JoeShotton 9:0571880085cc 267 _menu_select--;
JoeShotton 10:a2d643b3c782 268 } else if (pad.B_held() == true){ //detect if 'down' selection
JoeShotton 9:0571880085cc 269 _menu_select++;
JoeShotton 9:0571880085cc 270 }
JoeShotton 9:0571880085cc 271 _menu_select = ((_menu_select % 2) + 2) % 2; //wrap around numbers, ie down on 2 goes to 1 and up on 1 goes to 2
JoeShotton 9:0571880085cc 272 select_circles(lcd, _menu_select + 3); //draw black circle in selected option
JoeShotton 9:0571880085cc 273 //printf("Option: %d\n", _menu_select + 1);
JoeShotton 7:dd84e0fab346 274
JoeShotton 10:a2d643b3c782 275 if (pad.A_held() == true){ //if option 1 selected and 'A' held
JoeShotton 9:0571880085cc 276 if (_menu_select == 0){
JoeShotton 10:a2d643b3c782 277 game_init(pad, lcd, mag);
JoeShotton 10:a2d643b3c782 278 game_state = 3;
JoeShotton 9:0571880085cc 279 } else {
JoeShotton 10:a2d643b3c782 280 menu2_init(pad, lcd);
JoeShotton 10:a2d643b3c782 281 game_state = 2;
JoeShotton 9:0571880085cc 282 }
JoeShotton 9:0571880085cc 283 }
JoeShotton 9:0571880085cc 284 }
JoeShotton 7:dd84e0fab346 285
JoeShotton 7:dd84e0fab346 286 void SnakeEngine::select_circles(N5110 &lcd, int line) {
JoeShotton 10:a2d643b3c782 287 for(int i = 19; i < 52; i += 8) { //iterates over all the circle options' y values
JoeShotton 10:a2d643b3c782 288 lcd.drawCircle(24,i,2,FILL_WHITE); //remove previous options' black circles
JoeShotton 7:dd84e0fab346 289 }
JoeShotton 10:a2d643b3c782 290 lcd.drawCircle(24, 11 + line * 8, 2, FILL_BLACK); //draws black circle in relevant option's blank circle
JoeShotton 7:dd84e0fab346 291 lcd.refresh();
JoeShotton 7:dd84e0fab346 292 wait_ms(200);
JoeShotton 7:dd84e0fab346 293 }
JoeShotton 7:dd84e0fab346 294
JoeShotton 10:a2d643b3c782 295 void SnakeEngine::preview(Gamepad &pad, N5110 &lcd){
JoeShotton 7:dd84e0fab346 296 lcd.clear();
JoeShotton 10:a2d643b3c782 297 switch(_map_select + 1) { //selects relevant map
JoeShotton 7:dd84e0fab346 298 case 1:
JoeShotton 7:dd84e0fab346 299 lcd.clear();
JoeShotton 8:bcc3403d7e79 300 lcd.printString("(Empty)",21,2);
JoeShotton 7:dd84e0fab346 301 break;
JoeShotton 7:dd84e0fab346 302 case 2:
JoeShotton 8:bcc3403d7e79 303 map2_draw(lcd);
JoeShotton 8:bcc3403d7e79 304 //lcd.printString("Ring",30,2);
JoeShotton 7:dd84e0fab346 305 break;
JoeShotton 7:dd84e0fab346 306 case 3:
JoeShotton 8:bcc3403d7e79 307 map3_draw(lcd);
JoeShotton 8:bcc3403d7e79 308 //lcd.printString("Cross",27,2);
JoeShotton 7:dd84e0fab346 309 break;
JoeShotton 7:dd84e0fab346 310 case 4:
JoeShotton 8:bcc3403d7e79 311 map4_draw(lcd);
JoeShotton 8:bcc3403d7e79 312 //lcd.printString("Spots",27,2);
JoeShotton 7:dd84e0fab346 313 break;
JoeShotton 7:dd84e0fab346 314 }
JoeShotton 10:a2d643b3c782 315 lcd.refresh();
JoeShotton 10:a2d643b3c782 316 pad.led(2, 1);
JoeShotton 10:a2d643b3c782 317 pad.led(5, 1);
JoeShotton 10:a2d643b3c782 318 wait_ms(1000); //displays for 1 second
JoeShotton 10:a2d643b3c782 319 pad.led(2, 0);
JoeShotton 10:a2d643b3c782 320 pad.led(5, 0);
JoeShotton 7:dd84e0fab346 321 lcd.clear();
JoeShotton 10:a2d643b3c782 322 menu2_init(pad, lcd); //re-initialises menu 2
JoeShotton 8:bcc3403d7e79 323 }
JoeShotton 8:bcc3403d7e79 324
JoeShotton 8:bcc3403d7e79 325 void SnakeEngine::contrast(Gamepad &pad, N5110 &lcd){
JoeShotton 8:bcc3403d7e79 326 _pot2 = pad.read_pot2();
JoeShotton 10:a2d643b3c782 327 lcd.setContrast(0.25 + _pot2 * 0.5); //maps pot value to range 0.25 - 0.75
JoeShotton 8:bcc3403d7e79 328 //printf("Contrast: %f\n", 0.25 + _pot2 * 0.5);
JoeShotton 9:0571880085cc 329 }
JoeShotton 9:0571880085cc 330
JoeShotton 9:0571880085cc 331 void SnakeEngine::menu_flash(Gamepad &pad, int led){
JoeShotton 9:0571880085cc 332 for(int i = 1; i < 7; i++){
JoeShotton 10:a2d643b3c782 333 pad.led(led, i % 2); //flash left side LEDs - odd numbers become 1 to turn on, even numbers become 0 to turn off
JoeShotton 10:a2d643b3c782 334 pad.led(led + 3, i % 2); //flash right side LEDs
JoeShotton 9:0571880085cc 335 wait_ms(100);
JoeShotton 9:0571880085cc 336 }
JoeShotton 10:a2d643b3c782 337 }
JoeShotton 10:a2d643b3c782 338
JoeShotton 10:a2d643b3c782 339 void SnakeEngine::game_reset(){
JoeShotton 10:a2d643b3c782 340 score = 0;
JoeShotton 10:a2d643b3c782 341 _body.reset();
JoeShotton 10:a2d643b3c782 342 }
JoeShotton 10:a2d643b3c782 343