Matthew Riley / Mbed 2 deprecated Dualing_Tanks

For Nikhil

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

Fork of 2035_Tanks_Shell by ECE2035 Spring 2015 TA

main.cpp@27:bd55ab4d137c, 2015-10-30 (annotated)

Committer:
jford38
Date:
Fri Oct 30 11:08:31 2015 +0000
Revision:
27:bd55ab4d137c
Parent:
24:2100c9e8ec81 
Added a folder for sound. Clarified the role of globals.h

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 27:bd55ab4d137c 10 #include "globals.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 23:77049670cae6 34 int winner = -1;
jford38 23:77049670cae6 35 int whose_turn = PLAYER1;
jford38 20:6a58052b0140 36
jford38 20:6a58052b0140 37
jford38 17:7bc7127782e4 38 // Ask the user whether to run the game in Single- or Multi-Player mode.
jford38 17:7bc7127782e4 39 // Note that this function uses uLCD instead of sync because it is only
jford38 17:7bc7127782e4 40 // writing to the local (Player1) lcd. Sync hasn't been initialized yet,
jford38 17:7bc7127782e4 41 // so you can't use it anyway. For the same reason, you must access
jford38 17:7bc7127782e4 42 // the buttons directly e.g. if( !pb_r ) { do something; }.
jford38 22:3c68eea5a609 43
jford38 22:3c68eea5a609 44 // return MULTI_PLAYER if the user selects multi-player.
jford38 22:3c68eea5a609 45 // return SINGLE_PLAYER if the user selects single-player.
jford38 7:9506f2d84162 46 int game_menu(void) {
jford38 7:9506f2d84162 47
jford38 18:18dfc9fb33b5 48 uLCD.baudrate(BAUD_3000000);
jford38 22:3c68eea5a609 49
jford38 22:3c68eea5a609 50 // the locate command tells the screen where to place the text.
jford38 22:3c68eea5a609 51 uLCD.locate(0,15);
jford38 22:3c68eea5a609 52 uLCD.puts("Replace me");
jford38 17:7bc7127782e4 53
jford38 22:3c68eea5a609 54 // Button Example:
jford38 22:3c68eea5a609 55 // Use !pb_r to access the player1 right button value.
jford38 23:77049670cae6 56
jford38 23:77049670cae6 57 wait(2); // Eventually you can take this out.
jford38 23:77049670cae6 58
jford38 23:77049670cae6 59 // Eventually you should return SINGLE_PLAYER or MULTI_PLAYER
jford38 23:77049670cae6 60 // depending on the user's choice.
jford38 23:77049670cae6 61 return SINGLE_PLAYER;
jford38 7:9506f2d84162 62 }
jford38 7:9506f2d84162 63
jford38 17:7bc7127782e4 64 // Initialize the world map. I've provided a basic map here,
jford38 17:7bc7127782e4 65 // but as part of the assignment you must create more
jford38 17:7bc7127782e4 66 // interesting map(s).
jford38 17:7bc7127782e4 67 // Note that calls to sync.function() will run function()
jford38 17:7bc7127782e4 68 // on both players' LCDs (assuming you are in multiplayer mode).
jford38 17:7bc7127782e4 69 // In single player mode, only your lcd will be modified. (Makes sense, right?)
jford38 10:5da9b27e050e 70 void map_init() {
jford38 17:7bc7127782e4 71
jford38 17:7bc7127782e4 72 // Fill the entire screen with sky blue.
jford38 10:5da9b27e050e 73 sync.background_color(SKY_COLOR);
jford38 17:7bc7127782e4 74
jford38 17:7bc7127782e4 75 // Call the clear screen function to force the LCD to redraw the screen
jford38 17:7bc7127782e4 76 // with the new background color.
jford38 10:5da9b27e050e 77 sync.cls();
jford38 17:7bc7127782e4 78
jford38 17:7bc7127782e4 79 // Draw the ground in green.
jford38 10:5da9b27e050e 80 sync.filled_rectangle(0,0,128,20, GND_COLOR);
jford38 17:7bc7127782e4 81
jford38 22:3c68eea5a609 82 // Draw some obstacles. They don't have to be black,
jford38 22:3c68eea5a609 83 // but they shouldn't be the same color as the sky or your tanks.
jford38 17:7bc7127782e4 84 // Get creative here. You could use brown and grey to draw a mountain
jford38 17:7bc7127782e4 85 // or something cool like that.
jford38 10:5da9b27e050e 86 sync.filled_rectangle(59, 20, 69, 60, BLACK);
jford38 17:7bc7127782e4 87
jford38 17:7bc7127782e4 88 // Before you write text on the screens, tell the LCD where to put it.
jford38 17:7bc7127782e4 89 sync.locate(0,15);
jford38 17:7bc7127782e4 90
jford38 20:6a58052b0140 91 // Set the text background color to match the sky. Just for looks.
jford38 14:36c306e26317 92 sync.textbackground_color(SKY_COLOR);
jford38 22:3c68eea5a609 93
jford38 20:6a58052b0140 94 // Display the game title.
jford38 22:3c68eea5a609 95 char title[] = " Title";
jford38 17:7bc7127782e4 96 sync.puts(title, sizeof(title));
jford38 23:77049670cae6 97
jford38 23:77049670cae6 98 // Flush the draw buffer and execute all the accumulated draw commands.
jford38 23:77049670cae6 99 sync.update();
jford38 10:5da9b27e050e 100 }
jford38 10:5da9b27e050e 101
jford38 21:edfeb289b21f 102 // Initialize the game hardware.
jford38 21:edfeb289b21f 103 // Call game_menu to find out which mode to play the game in (Single- or Multi-Player)
jford38 21:edfeb289b21f 104 // Initialize the game synchronizer.
jford38 6:3be57cf4bd33 105 void game_init(void) {
jford38 6:3be57cf4bd33 106
jford38 6:3be57cf4bd33 107 led1 = 0; led2 = 0; led3 = 0; led4 = 0;
jford38 6:3be57cf4bd33 108
jford38 17:7bc7127782e4 109 pb_u.mode(PullUp);
jford38 6:3be57cf4bd33 110 pb_r.mode(PullUp);
jford38 17:7bc7127782e4 111 pb_d.mode(PullUp);
jford38 17:7bc7127782e4 112 pb_l.mode(PullUp);
jford38 6:3be57cf4bd33 113
jford38 6:3be57cf4bd33 114 pc.printf("\033[2J\033[0;0H"); // Clear the terminal screen.
jford38 6:3be57cf4bd33 115 pc.printf("I'm alive! Player 1\n"); // Let us know you made it this far.
jford38 7:9506f2d84162 116 int mode = game_menu();
jford38 17:7bc7127782e4 117 sync.init(&uLCD, &acc, &pb_u, &pb_r, &pb_d, &pb_l, mode); // Connect to the other player.
jford38 10:5da9b27e050e 118 map_init();
jford38 6:3be57cf4bd33 119 pc.printf("Initialized...\n"); // Let us know you finished initializing.
jford38 6:3be57cf4bd33 120 }
jford38 6:3be57cf4bd33 121
jford38 22:3c68eea5a609 122 // Display some kind of game over screen which lets us know who won.
jford38 22:3c68eea5a609 123 // Play a cool sound!
jford38 22:3c68eea5a609 124 void game_over() {
jford38 22:3c68eea5a609 125
jford38 19:7aa3af04d6a8 126 }
jford38 19:7aa3af04d6a8 127
jford38 21:edfeb289b21f 128
jford38 0:899c85cd266f 129 int main (void) {
jford38 20:6a58052b0140 130
jford38 20:6a58052b0140 131 int* p1_buttons;
jford38 20:6a58052b0140 132 int* p2_buttons;
jford38 20:6a58052b0140 133
jford38 20:6a58052b0140 134 float ax1, ay1, az1;
jford38 20:6a58052b0140 135 float ax2, ay2, az2;
jford38 8:e6dd05393290 136
jford38 8:e6dd05393290 137 game_init();
jford38 8:e6dd05393290 138
jford38 22:3c68eea5a609 139 // Create your tanks.
jford38 18:18dfc9fb33b5 140 Tank t1(4, 21, 12, 8, TANK_RED); // (min_x, min_y, width, height, color)
jford38 18:18dfc9fb33b5 141 Tank t2(111, 21, 12, 8, TANK_BLUE); // (min_x, min_y, width, height, color)
jford38 22:3c68eea5a609 142
jford38 22:3c68eea5a609 143 // For each tank, create a bullet.
jford38 12:088a8203a9bb 144 Bullet b1(&t1);
jford38 12:088a8203a9bb 145 Bullet b2(&t2);
jford38 12:088a8203a9bb 146
jford38 23:77049670cae6 147 frame_timer.start();
jford38 5:cfec780c935b 148
jford38 23:77049670cae6 149 // Your code starts here...
jford38 20:6a58052b0140 150 while(true) {
jford38 24:2100c9e8ec81 151
jford38 23:77049670cae6 152 // Get a pointer to the buttons for both sides.
jford38 23:77049670cae6 153 // From now on, you can access the buttons for player x using
jford38 23:77049670cae6 154 //
jford38 23:77049670cae6 155 // px_buttons[U_BUTTON]
jford38 23:77049670cae6 156 // px_buttons[R_BUTTON]
jford38 23:77049670cae6 157 // px_buttons[D_BUTTON]
jford38 23:77049670cae6 158 // px_buttons[L_BUTTON]
jford38 12:088a8203a9bb 159
jford38 20:6a58052b0140 160 p1_buttons = sync.get_p1_buttons();
jford38 20:6a58052b0140 161 p2_buttons = sync.get_p2_buttons();
jford38 23:77049670cae6 162
jford38 23:77049670cae6 163 led1 = p1_buttons[0] ^ p2_buttons[0];
jford38 23:77049670cae6 164 led2 = p1_buttons[1] ^ p2_buttons[1];
jford38 23:77049670cae6 165 led3 = p1_buttons[2] ^ p2_buttons[2];
jford38 23:77049670cae6 166 led4 = p1_buttons[3] ^ p2_buttons[3];
jford38 20:6a58052b0140 167
jford38 22:3c68eea5a609 168 // Get the accelerometer values.
jford38 22:3c68eea5a609 169 sync.get_p1_accel_data(&ax1, &ay1, &az1);
jford38 22:3c68eea5a609 170 sync.get_p2_accel_data(&ax2, &ay2, &az2);
jford38 22:3c68eea5a609 171
jford38 23:77049670cae6 172 if(whose_turn == PLAYER1) {
jford38 23:77049670cae6 173
jford38 23:77049670cae6 174 // Accelerometer example
jford38 23:77049670cae6 175 if(ax1 > ACC_THRESHOLD) {
jford38 23:77049670cae6 176 // Move the tank to the right if the accelerometer is tipped far enough to the right.
jford38 23:77049670cae6 177 t1.reposition(+1, 0, 0);
jford38 23:77049670cae6 178 }
jford38 23:77049670cae6 179
jford38 23:77049670cae6 180 // Button example
jford38 23:77049670cae6 181 if(p1_buttons[D_BUTTON]) {
jford38 23:77049670cae6 182 b1.shoot();
jford38 23:77049670cae6 183 }
jford38 23:77049670cae6 184
jford38 23:77049670cae6 185 float dt = frame_timer.read();
jford38 23:77049670cae6 186 int intersection_code = b1.time_step(dt);
jford38 23:77049670cae6 187
jford38 23:77049670cae6 188 if(intersection_code != BULLET_NO_COLLISION || intersection_code == BULLET_OFF_SCREEN) {
jford38 23:77049670cae6 189 pc.printf("Now it's P2's turn!\n");
jford38 23:77049670cae6 190 whose_turn = PLAYER2;
jford38 23:77049670cae6 191 }
jford38 23:77049670cae6 192
jford38 23:77049670cae6 193 // If you shot yourself, you lost.
jford38 23:77049670cae6 194 if(sync.pixel_eq(intersection_code, t1.tank_color)) {
jford38 23:77049670cae6 195 sync.update(); // Is this necessary?
jford38 23:77049670cae6 196 winner = PLAYER2;
jford38 23:77049670cae6 197 break;
jford38 23:77049670cae6 198 }
jford38 23:77049670cae6 199
jford38 23:77049670cae6 200 // If you shot the other guy, you won!
jford38 23:77049670cae6 201 if(sync.pixel_eq(intersection_code, t2.tank_color)) {
jford38 23:77049670cae6 202 sync.update();
jford38 23:77049670cae6 203 winner = PLAYER1;
jford38 23:77049670cae6 204 break;
jford38 23:77049670cae6 205 }
jford38 23:77049670cae6 206 } else if(whose_turn == PLAYER2) {
jford38 23:77049670cae6 207
jford38 23:77049670cae6 208 // I gave you a lot of the logic for Player1. It's up to you to figure out Player2!
jford38 23:77049670cae6 209 // If you are in SINGLE_PLAYER mode, you should use the p1 inputs to control p2.
jford38 23:77049670cae6 210 // In MULTI_PLAYER mode, you should use the p2 inputs to control p2.
jford38 23:77049670cae6 211 //
jford38 23:77049670cae6 212 // Hint:
jford38 23:77049670cae6 213 // sync.play_mode will tell you if you are in MULTI_PLAYER or SINGLE_PLAYER mode.
jford38 23:77049670cae6 214 //
jford38 23:77049670cae6 215
jford38 23:77049670cae6 216 }
jford38 23:77049670cae6 217
jford38 23:77049670cae6 218 frame_timer.reset();
jford38 23:77049670cae6 219 sync.update();
jford38 3:3ddefff03cb2 220 }
jford38 15:4b27a3a95772 221
jford38 22:3c68eea5a609 222 game_over();
jford38 21:edfeb289b21f 223
jford38 0:899c85cd266f 224 }