Erik Lomas / Mbed 2 deprecated 4180lab4

Revenge of the Mouse

Dependencies:   4DGL-uLCD-SE EthernetInterface Game_Synchronizer LCD_fonts MMA8452 SDFileSystem mbed-rtos mbed wave_player

Fork of 2035_Tanks_Shell by ECE2035 Spring 2015 TA

main.cpp@22:3c68eea5a609, 2015-10-29 (annotated)

Committer:
jford38
Date:
Thu Oct 29 05:14:49 2015 +0000
Revision:
22:3c68eea5a609
Parent:
21:edfeb289b21f
Child:
23:77049670cae6
The Shell for students to fill in to play their tanks game.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jford38 6:3be57cf4bd33 1 // Student Side.
jford38 0:899c85cd266f 2
jford38 0:899c85cd266f 3 #include "mbed.h"
jford38 15:4b27a3a95772 4
jford38 17:7bc7127782e4 5 #include "SDFileSystem.h"
jford38 17:7bc7127782e4 6 #include "wave_player.h"
jford38 6:3be57cf4bd33 7 #include "game_synchronizer.h"
jford38 14:36c306e26317 8 #include "tank.h"
jford38 15:4b27a3a95772 9 #include "bullet.h"
jford38 20:6a58052b0140 10 #include "misc.h"
jford38 10:5da9b27e050e 11
jford38 17:7bc7127782e4 12
jford38 6:3be57cf4bd33 13 DigitalOut led1(LED1);
jford38 6:3be57cf4bd33 14 DigitalOut led2(LED2);
jford38 6:3be57cf4bd33 15 DigitalOut led3(LED3);
jford38 6:3be57cf4bd33 16 DigitalOut led4(LED4);
jford38 0:899c85cd266f 17
jford38 17:7bc7127782e4 18 DigitalIn pb_u(p21); // Up Button
jford38 17:7bc7127782e4 19 DigitalIn pb_r(p22); // Right Button
jford38 17:7bc7127782e4 20 DigitalIn pb_d(p23); // Down Button
jford38 17:7bc7127782e4 21 DigitalIn pb_l(p24); // Left Button
jford38 6:3be57cf4bd33 22
jford38 17:7bc7127782e4 23 Serial pc(USBTX, USBRX); // Serial connection to PC. Useful for debugging!
jford38 17:7bc7127782e4 24 MMA8452 acc(p28, p27, 100000); // Accelerometer (SDA, SCL, Baudrate)
jford38 17:7bc7127782e4 25 uLCD_4DGL uLCD(p9,p10,p11); // LCD (tx, rx, reset)
jford38 17:7bc7127782e4 26 SDFileSystem sd(p5, p6, p7, p8, "sd"); // SD (mosi, miso, sck, cs)
jford38 17:7bc7127782e4 27 AnalogOut DACout(p18); // speaker
jford38 17:7bc7127782e4 28 wave_player player(&DACout); // wav player
jford38 17:7bc7127782e4 29 Game_Synchronizer sync(PLAYER1); // Game_Synchronizer (PLAYER)
jford38 17:7bc7127782e4 30 Timer frame_timer; // Timer
jford38 0:899c85cd266f 31
jford38 20:6a58052b0140 32 // Global variables go here.
jford38 22:3c68eea5a609 33
jford38 17:7bc7127782e4 34
jford38 20:6a58052b0140 35
jford38 20:6a58052b0140 36
jford38 17:7bc7127782e4 37 // Ask the user whether to run the game in Single- or Multi-Player mode.
jford38 17:7bc7127782e4 38 // Note that this function uses uLCD instead of sync because it is only
jford38 17:7bc7127782e4 39 // writing to the local (Player1) lcd. Sync hasn't been initialized yet,
jford38 17:7bc7127782e4 40 // so you can't use it anyway. For the same reason, you must access
jford38 17:7bc7127782e4 41 // the buttons directly e.g. if( !pb_r ) { do something; }.
jford38 22:3c68eea5a609 42
jford38 22:3c68eea5a609 43 // return MULTI_PLAYER if the user selects multi-player.
jford38 22:3c68eea5a609 44 // return SINGLE_PLAYER if the user selects single-player.
jford38 7:9506f2d84162 45 int game_menu(void) {
jford38 7:9506f2d84162 46
jford38 18:18dfc9fb33b5 47 uLCD.baudrate(BAUD_3000000);
jford38 22:3c68eea5a609 48
jford38 22:3c68eea5a609 49 // the locate command tells the screen where to place the text.
jford38 22:3c68eea5a609 50 uLCD.locate(0,15);
jford38 22:3c68eea5a609 51 uLCD.puts("Replace me");
jford38 17:7bc7127782e4 52
jford38 22:3c68eea5a609 53 // Button Example:
jford38 22:3c68eea5a609 54 // Use !pb_r to access the player1 right button value.
jford38 22:3c68eea5a609 55 wait(2);
jford38 22:3c68eea5a609 56 return SINGLE_PLAYER;
jford38 7:9506f2d84162 57 }
jford38 7:9506f2d84162 58
jford38 17:7bc7127782e4 59 // Initialize the world map. I've provided a basic map here,
jford38 17:7bc7127782e4 60 // but as part of the assignment you must create more
jford38 17:7bc7127782e4 61 // interesting map(s).
jford38 17:7bc7127782e4 62 // Note that calls to sync.function() will run function()
jford38 17:7bc7127782e4 63 // on both players' LCDs (assuming you are in multiplayer mode).
jford38 17:7bc7127782e4 64 // In single player mode, only your lcd will be modified. (Makes sense, right?)
jford38 10:5da9b27e050e 65 void map_init() {
jford38 17:7bc7127782e4 66
jford38 17:7bc7127782e4 67 // Fill the entire screen with sky blue.
jford38 10:5da9b27e050e 68 sync.background_color(SKY_COLOR);
jford38 17:7bc7127782e4 69
jford38 17:7bc7127782e4 70 // Call the clear screen function to force the LCD to redraw the screen
jford38 17:7bc7127782e4 71 // with the new background color.
jford38 10:5da9b27e050e 72 sync.cls();
jford38 17:7bc7127782e4 73
jford38 17:7bc7127782e4 74 // Draw the ground in green.
jford38 10:5da9b27e050e 75 sync.filled_rectangle(0,0,128,20, GND_COLOR);
jford38 17:7bc7127782e4 76
jford38 22:3c68eea5a609 77 // Draw some obstacles. They don't have to be black,
jford38 22:3c68eea5a609 78 // but they shouldn't be the same color as the sky or your tanks.
jford38 17:7bc7127782e4 79 // Get creative here. You could use brown and grey to draw a mountain
jford38 17:7bc7127782e4 80 // or something cool like that.
jford38 10:5da9b27e050e 81 sync.filled_rectangle(59, 20, 69, 60, BLACK);
jford38 17:7bc7127782e4 82
jford38 17:7bc7127782e4 83 // Before you write text on the screens, tell the LCD where to put it.
jford38 17:7bc7127782e4 84 sync.locate(0,15);
jford38 17:7bc7127782e4 85
jford38 20:6a58052b0140 86 // Set the text background color to match the sky. Just for looks.
jford38 14:36c306e26317 87 sync.textbackground_color(SKY_COLOR);
jford38 22:3c68eea5a609 88
jford38 20:6a58052b0140 89 // Display the game title.
jford38 22:3c68eea5a609 90 char title[] = " Title";
jford38 17:7bc7127782e4 91 sync.puts(title, sizeof(title));
jford38 10:5da9b27e050e 92 sync.update();
jford38 10:5da9b27e050e 93 }
jford38 10:5da9b27e050e 94
jford38 21:edfeb289b21f 95
jford38 21:edfeb289b21f 96 // Initialize the game hardware.
jford38 21:edfeb289b21f 97 // Call game_menu to find out which mode to play the game in (Single- or Multi-Player)
jford38 21:edfeb289b21f 98 // Initialize the game synchronizer.
jford38 6:3be57cf4bd33 99 void game_init(void) {
jford38 6:3be57cf4bd33 100
jford38 6:3be57cf4bd33 101 led1 = 0; led2 = 0; led3 = 0; led4 = 0;
jford38 6:3be57cf4bd33 102
jford38 17:7bc7127782e4 103 pb_u.mode(PullUp);
jford38 6:3be57cf4bd33 104 pb_r.mode(PullUp);
jford38 17:7bc7127782e4 105 pb_d.mode(PullUp);
jford38 17:7bc7127782e4 106 pb_l.mode(PullUp);
jford38 6:3be57cf4bd33 107
jford38 6:3be57cf4bd33 108 pc.printf("\033[2J\033[0;0H"); // Clear the terminal screen.
jford38 6:3be57cf4bd33 109 pc.printf("I'm alive! Player 1\n"); // Let us know you made it this far.
jford38 7:9506f2d84162 110 int mode = game_menu();
jford38 17:7bc7127782e4 111 sync.init(&uLCD, &acc, &pb_u, &pb_r, &pb_d, &pb_l, mode); // Connect to the other player.
jford38 10:5da9b27e050e 112 map_init();
jford38 6:3be57cf4bd33 113 pc.printf("Initialized...\n"); // Let us know you finished initializing.
jford38 6:3be57cf4bd33 114 }
jford38 6:3be57cf4bd33 115
jford38 22:3c68eea5a609 116 // Display some kind of game over screen which lets us know who won.
jford38 22:3c68eea5a609 117 // Play a cool sound!
jford38 22:3c68eea5a609 118 void game_over() {
jford38 22:3c68eea5a609 119
jford38 19:7aa3af04d6a8 120 }
jford38 19:7aa3af04d6a8 121
jford38 21:edfeb289b21f 122
jford38 0:899c85cd266f 123 int main (void) {
jford38 20:6a58052b0140 124
jford38 20:6a58052b0140 125 int* p1_buttons;
jford38 20:6a58052b0140 126 int* p2_buttons;
jford38 20:6a58052b0140 127
jford38 20:6a58052b0140 128 float ax1, ay1, az1;
jford38 20:6a58052b0140 129 float ax2, ay2, az2;
jford38 8:e6dd05393290 130
jford38 8:e6dd05393290 131 game_init();
jford38 8:e6dd05393290 132
jford38 22:3c68eea5a609 133 // Create your tanks.
jford38 18:18dfc9fb33b5 134 Tank t1(4, 21, 12, 8, TANK_RED); // (min_x, min_y, width, height, color)
jford38 18:18dfc9fb33b5 135 Tank t2(111, 21, 12, 8, TANK_BLUE); // (min_x, min_y, width, height, color)
jford38 22:3c68eea5a609 136
jford38 22:3c68eea5a609 137 // For each tank, create a bullet.
jford38 12:088a8203a9bb 138 Bullet b1(&t1);
jford38 12:088a8203a9bb 139 Bullet b2(&t2);
jford38 12:088a8203a9bb 140
jford38 5:cfec780c935b 141
jford38 20:6a58052b0140 142 while(true) {
jford38 12:088a8203a9bb 143
jford38 22:3c68eea5a609 144 // Read the buttons/accelerometer and store the values
jford38 22:3c68eea5a609 145 // in the synchronizer's internal array.
jford38 17:7bc7127782e4 146 sync.set_p1_inputs();
jford38 17:7bc7127782e4 147
jford38 22:3c68eea5a609 148 // Get a pointer to the buttons for both sides.
jford38 20:6a58052b0140 149 p1_buttons = sync.get_p1_buttons();
jford38 20:6a58052b0140 150 p2_buttons = sync.get_p2_buttons();
jford38 20:6a58052b0140 151
jford38 22:3c68eea5a609 152 // Get the accelerometer values.
jford38 22:3c68eea5a609 153 sync.get_p1_accel_data(&ax1, &ay1, &az1);
jford38 22:3c68eea5a609 154 sync.get_p2_accel_data(&ax2, &ay2, &az2);
jford38 22:3c68eea5a609 155
jford38 22:3c68eea5a609 156 // Game logic goes here.
jford38 8:e6dd05393290 157
jford38 22:3c68eea5a609 158 // Depending on whose turn it is,
jford38 22:3c68eea5a609 159 // - update their tank's position using the accelerometer state for that player.
jford38 22:3c68eea5a609 160 // - update their bullet's position using the time elapsed since the previous frame.
jford38 22:3c68eea5a609 161
jford38 22:3c68eea5a609 162 // You have to handle the case where sync.play_mode == SINGLE_PLAYER
jford38 22:3c68eea5a609 163 // as well as the case where sync.play_mode == MULTI_PLAYER
jford38 17:7bc7127782e4 164
jford38 22:3c68eea5a609 165 // Useful functions:
jford38 22:3c68eea5a609 166 // t1.reposition(...);
jford38 22:3c68eea5a609 167 // t2.reposition(...);
jford38 22:3c68eea5a609 168 // b1.timestep(...);
jford38 22:3c68eea5a609 169 // b2.timestep(...);
jford38 22:3c68eea5a609 170
jford38 22:3c68eea5a609 171 // End of game logic
jford38 22:3c68eea5a609 172
jford38 22:3c68eea5a609 173 // sync.update() flushes the internal buffer and performs all the draw commands on both sides.
jford38 22:3c68eea5a609 174 // This must be called at the end of every frame, or things won't be drawn and buttons won't get
jford38 22:3c68eea5a609 175 // updated.
jford38 22:3c68eea5a609 176 sync.update();
jford38 3:3ddefff03cb2 177 }
jford38 15:4b27a3a95772 178
jford38 22:3c68eea5a609 179 game_over();
jford38 21:edfeb289b21f 180
jford38 0:899c85cd266f 181 }