ECE2035 Spring 2015 TA / Mbed 2 deprecated 2035_Tanks_Shell

Shell code for the Tanks game

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

main.cpp@18:18dfc9fb33b5, 2015-10-28 (annotated)

Committer:
jford38
Date:
Wed Oct 28 06:36:24 2015 +0000
Revision:
18:18dfc9fb33b5
Parent:
17:7bc7127782e4
Child:
19:7aa3af04d6a8
Most things working! Multi-player and single-player working with accelerometer x controlling the tanks and y controlling the gun. Uses the down button to fire.

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 "Speaker.h"
jford38 17:7bc7127782e4 7 #include "wave_player.h"
jford38 17:7bc7127782e4 8
jford38 6:3be57cf4bd33 9 #include "game_synchronizer.h"
jford38 14:36c306e26317 10 #include "tank.h"
jford38 15:4b27a3a95772 11 #include "bullet.h"
jford38 14:36c306e26317 12 #include "globals.h"
jford38 10:5da9b27e050e 13
jford38 17:7bc7127782e4 14
jford38 6:3be57cf4bd33 15 DigitalOut led1(LED1);
jford38 6:3be57cf4bd33 16 DigitalOut led2(LED2);
jford38 6:3be57cf4bd33 17 DigitalOut led3(LED3);
jford38 6:3be57cf4bd33 18 DigitalOut led4(LED4);
jford38 0:899c85cd266f 19
jford38 17:7bc7127782e4 20 DigitalIn pb_u(p21); // Up Button
jford38 17:7bc7127782e4 21 DigitalIn pb_r(p22); // Right Button
jford38 17:7bc7127782e4 22 DigitalIn pb_d(p23); // Down Button
jford38 17:7bc7127782e4 23 DigitalIn pb_l(p24); // Left Button
jford38 6:3be57cf4bd33 24
jford38 17:7bc7127782e4 25 Serial pc(USBTX, USBRX); // Serial connection to PC. Useful for debugging!
jford38 17:7bc7127782e4 26 MMA8452 acc(p28, p27, 100000); // Accelerometer (SDA, SCL, Baudrate)
jford38 17:7bc7127782e4 27 uLCD_4DGL uLCD(p9,p10,p11); // LCD (tx, rx, reset)
jford38 17:7bc7127782e4 28 SDFileSystem sd(p5, p6, p7, p8, "sd"); // SD (mosi, miso, sck, cs)
jford38 17:7bc7127782e4 29 AnalogOut DACout(p18); // speaker
jford38 17:7bc7127782e4 30 wave_player player(&DACout); // wav player
jford38 17:7bc7127782e4 31 Game_Synchronizer sync(PLAYER1); // Game_Synchronizer (PLAYER)
jford38 17:7bc7127782e4 32 Timer frame_timer; // Timer
jford38 0:899c85cd266f 33
jford38 18:18dfc9fb33b5 34 int winner = -1;
jford38 17:7bc7127782e4 35
jford38 17:7bc7127782e4 36 // Ask the user whether to run the game in Single- or Multi-Player mode.
jford38 17:7bc7127782e4 37 // Note that this function uses uLCD instead of sync because it is only
jford38 17:7bc7127782e4 38 // writing to the local (Player1) lcd. Sync hasn't been initialized yet,
jford38 17:7bc7127782e4 39 // so you can't use it anyway. For the same reason, you must access
jford38 17:7bc7127782e4 40 // the buttons directly e.g. if( !pb_r ) { do something; }.
jford38 7:9506f2d84162 41 int game_menu(void) {
jford38 7:9506f2d84162 42
jford38 18:18dfc9fb33b5 43 uLCD.baudrate(BAUD_3000000);
jford38 9:ee330b1ba394 44 uLCD.locate(0,1);
jford38 9:ee330b1ba394 45 uLCD.puts("Select Mode:");
jford38 9:ee330b1ba394 46 uLCD.locate(0,3);
jford38 9:ee330b1ba394 47 uLCD.puts(" Single-Player:");
jford38 9:ee330b1ba394 48 uLCD.locate(0,4);
jford38 9:ee330b1ba394 49 uLCD.puts(" Left Button");
jford38 9:ee330b1ba394 50 uLCD.locate(0,6);
jford38 9:ee330b1ba394 51 uLCD.puts(" Multi-Player:");
jford38 9:ee330b1ba394 52 uLCD.locate(0,7);
jford38 9:ee330b1ba394 53 uLCD.puts(" Right Button");
jford38 17:7bc7127782e4 54
jford38 7:9506f2d84162 55 while(1) {
jford38 17:7bc7127782e4 56 if(!pb_r) { return MULTI_PLAYER; } // Right button -> Multiplayer
jford38 17:7bc7127782e4 57 if(!pb_l) { return SINGLE_PLAYER; } // Left button -> Single player
jford38 7:9506f2d84162 58 }
jford38 7:9506f2d84162 59 }
jford38 7:9506f2d84162 60
jford38 17:7bc7127782e4 61 // Initialize the world map. I've provided a basic map here,
jford38 17:7bc7127782e4 62 // but as part of the assignment you must create more
jford38 17:7bc7127782e4 63 // interesting map(s).
jford38 17:7bc7127782e4 64 // Note that calls to sync.function() will run function()
jford38 17:7bc7127782e4 65 // on both players' LCDs (assuming you are in multiplayer mode).
jford38 17:7bc7127782e4 66 // In single player mode, only your lcd will be modified. (Makes sense, right?)
jford38 10:5da9b27e050e 67 void map_init() {
jford38 17:7bc7127782e4 68
jford38 17:7bc7127782e4 69 // Fill the entire screen with sky blue.
jford38 10:5da9b27e050e 70 sync.background_color(SKY_COLOR);
jford38 17:7bc7127782e4 71
jford38 17:7bc7127782e4 72 // Call the clear screen function to force the LCD to redraw the screen
jford38 17:7bc7127782e4 73 // with the new background color.
jford38 10:5da9b27e050e 74 sync.cls();
jford38 17:7bc7127782e4 75
jford38 17:7bc7127782e4 76 // Draw the ground in green.
jford38 10:5da9b27e050e 77 sync.filled_rectangle(0,0,128,20, GND_COLOR);
jford38 17:7bc7127782e4 78
jford38 17:7bc7127782e4 79 // Draw a wall in the middle of the map. It doesn't have to be black,
jford38 17:7bc7127782e4 80 // but it shouldn't be the same color as the sky or your tanks.
jford38 17:7bc7127782e4 81 // Get creative here. You could use brown and grey to draw a mountain
jford38 17:7bc7127782e4 82 // or something cool like that.
jford38 10:5da9b27e050e 83 sync.filled_rectangle(59, 20, 69, 60, BLACK);
jford38 17:7bc7127782e4 84
jford38 17:7bc7127782e4 85 // Before you write text on the screens, tell the LCD where to put it.
jford38 17:7bc7127782e4 86 sync.locate(0,15);
jford38 17:7bc7127782e4 87
jford38 14:36c306e26317 88 sync.textbackground_color(SKY_COLOR);
jford38 17:7bc7127782e4 89 char title[] = " ECE 2035 Tanks";
jford38 17:7bc7127782e4 90 sync.puts(title, sizeof(title));
jford38 10:5da9b27e050e 91 sync.update();
jford38 10:5da9b27e050e 92 }
jford38 10:5da9b27e050e 93
jford38 6:3be57cf4bd33 94 void game_init(void) {
jford38 6:3be57cf4bd33 95
jford38 6:3be57cf4bd33 96 led1 = 0; led2 = 0; led3 = 0; led4 = 0;
jford38 6:3be57cf4bd33 97
jford38 17:7bc7127782e4 98 pb_u.mode(PullUp);
jford38 6:3be57cf4bd33 99 pb_r.mode(PullUp);
jford38 17:7bc7127782e4 100 pb_d.mode(PullUp);
jford38 17:7bc7127782e4 101 pb_l.mode(PullUp);
jford38 6:3be57cf4bd33 102
jford38 6:3be57cf4bd33 103 pc.printf("\033[2J\033[0;0H"); // Clear the terminal screen.
jford38 6:3be57cf4bd33 104 pc.printf("I'm alive! Player 1\n"); // Let us know you made it this far.
jford38 7:9506f2d84162 105 int mode = game_menu();
jford38 17:7bc7127782e4 106 sync.init(&uLCD, &acc, &pb_u, &pb_r, &pb_d, &pb_l, mode); // Connect to the other player.
jford38 10:5da9b27e050e 107 map_init();
jford38 6:3be57cf4bd33 108 pc.printf("Initialized...\n"); // Let us know you finished initializing.
jford38 6:3be57cf4bd33 109 }
jford38 6:3be57cf4bd33 110
jford38 0:899c85cd266f 111 int main (void) {
jford38 17:7bc7127782e4 112 int* p1_inputs;
jford38 17:7bc7127782e4 113 int* p2_inputs;
jford38 8:e6dd05393290 114
jford38 8:e6dd05393290 115 game_init();
jford38 8:e6dd05393290 116
jford38 18:18dfc9fb33b5 117 Tank t1(4, 21, 12, 8, TANK_RED); // (min_x, min_y, width, height, color)
jford38 18:18dfc9fb33b5 118 Tank t2(111, 21, 12, 8, TANK_BLUE); // (min_x, min_y, width, height, color)
jford38 12:088a8203a9bb 119 Bullet b1(&t1);
jford38 12:088a8203a9bb 120 Bullet b2(&t2);
jford38 12:088a8203a9bb 121
jford38 5:cfec780c935b 122
jford38 12:088a8203a9bb 123 frame_timer.start();
jford38 0:899c85cd266f 124 while(1) {
jford38 12:088a8203a9bb 125
jford38 17:7bc7127782e4 126 sync.set_p1_inputs();
jford38 17:7bc7127782e4 127
jford38 17:7bc7127782e4 128 p1_inputs = sync.get_p1_inputs();
jford38 17:7bc7127782e4 129 p2_inputs = sync.get_p2_inputs();
jford38 17:7bc7127782e4 130
jford38 17:7bc7127782e4 131
jford38 17:7bc7127782e4 132 led1 = p2_inputs[0] ^ p1_inputs[0];
jford38 17:7bc7127782e4 133 led2 = p2_inputs[1] ^ p1_inputs[1];
jford38 17:7bc7127782e4 134 led3 = p2_inputs[2] ^ p1_inputs[2];
jford38 17:7bc7127782e4 135 led4 = p2_inputs[3] ^ p1_inputs[3];
jford38 8:e6dd05393290 136
jford38 17:7bc7127782e4 137 float ax1 = (float) p1_inputs[4] / 65536.0;
jford38 17:7bc7127782e4 138 float ay1 = (float) p1_inputs[5] / 65536.0;
jford38 17:7bc7127782e4 139 float az1 = (float) p1_inputs[6] / 65536.0;
jford38 18:18dfc9fb33b5 140 //pc.printf("P1 X: %f\tY: %f\tZ: %f\n", ax1, ay1, az1);
jford38 11:f455e907baba 141
jford38 17:7bc7127782e4 142 float ax2 = (float) p2_inputs[4] / 65536.0;
jford38 17:7bc7127782e4 143 float ay2 = (float) p2_inputs[5] / 65536.0;
jford38 17:7bc7127782e4 144 float az2 = (float) p2_inputs[6] / 65536.0;
jford38 18:18dfc9fb33b5 145 //pc.printf("P2 X: %f\tY: %f\tZ: %f\n", ax2, ay2, az2);
jford38 17:7bc7127782e4 146
jford38 18:18dfc9fb33b5 147
jford38 18:18dfc9fb33b5 148 if(ax1 > ACC_THRESHOLD) { t1.reposition(t1.x-1, t1.y, t1.barrel_theta); }
jford38 18:18dfc9fb33b5 149 if(ax1 < -ACC_THRESHOLD) { t1.reposition(t1.x+1, t1.y, t1.barrel_theta); }
jford38 18:18dfc9fb33b5 150 if(ax2 > ACC_THRESHOLD) { t2.reposition(t2.x-1, t2.y, t2.barrel_theta); }
jford38 18:18dfc9fb33b5 151 if(ax2 < -ACC_THRESHOLD) { t2.reposition(t2.x+1, t2.y, t2.barrel_theta); }
jford38 11:f455e907baba 152
jford38 18:18dfc9fb33b5 153 if(ay1 > ACC_THRESHOLD) { t1.reposition(t1.x, t1.y, t1.barrel_theta+PI/30.0); }
jford38 18:18dfc9fb33b5 154 if(ay1 < -ACC_THRESHOLD) { t1.reposition(t1.x, t1.y, t1.barrel_theta-PI/30.0); }
jford38 18:18dfc9fb33b5 155
jford38 18:18dfc9fb33b5 156 if(ay2 > ACC_THRESHOLD) { t2.reposition(t2.x, t2.y, t2.barrel_theta+PI/30.0); }
jford38 18:18dfc9fb33b5 157 if(ay2 < -ACC_THRESHOLD) { t2.reposition(t2.x, t2.y, t2.barrel_theta-PI/30.0); }
jford38 11:f455e907baba 158
jford38 18:18dfc9fb33b5 159 if(p1_inputs[D_BUTTON]) { b1.shoot(); }
jford38 18:18dfc9fb33b5 160 if(p2_inputs[D_BUTTON]) { b2.shoot(); }
jford38 12:088a8203a9bb 161
jford38 18:18dfc9fb33b5 162 float time = frame_timer.read();
jford38 18:18dfc9fb33b5 163 int retval = b1.time_step(time);
jford38 18:18dfc9fb33b5 164 if(retval == t2.tank_color) {
jford38 15:4b27a3a95772 165 sync.update();
jford38 15:4b27a3a95772 166 pc.printf("P1 wins!");
jford38 18:18dfc9fb33b5 167 winner = PLAYER1;
jford38 15:4b27a3a95772 168 break;
jford38 15:4b27a3a95772 169 }
jford38 18:18dfc9fb33b5 170 retval = b2.time_step(time);
jford38 18:18dfc9fb33b5 171 if(retval == t1.tank_color) {
jford38 15:4b27a3a95772 172 sync.update();
jford38 15:4b27a3a95772 173 pc.printf("P2 wins!");
jford38 18:18dfc9fb33b5 174 winner = PLAYER2;
jford38 15:4b27a3a95772 175 break;
jford38 15:4b27a3a95772 176 }
jford38 11:f455e907baba 177
jford38 18:18dfc9fb33b5 178 frame_timer.reset();
jford38 12:088a8203a9bb 179 sync.update();
jford38 3:3ddefff03cb2 180 }
jford38 15:4b27a3a95772 181
jford38 17:7bc7127782e4 182 // This dies after a while, and I have NO IDEA WHY.
jford38 15:4b27a3a95772 183 int i = 0;
jford38 15:4b27a3a95772 184 while(1) {
jford38 15:4b27a3a95772 185 sync.cls();
jford38 17:7bc7127782e4 186 sync.locate(i, 9);
jford38 18:18dfc9fb33b5 187 if(winner == PLAYER1) {
jford38 18:18dfc9fb33b5 188 char msg[] = "P1 Wins!";
jford38 18:18dfc9fb33b5 189 sync.puts(msg, sizeof(msg));
jford38 18:18dfc9fb33b5 190 } else if(winner == PLAYER2) {
jford38 18:18dfc9fb33b5 191 char msg[] = "P2 Wins!";
jford38 18:18dfc9fb33b5 192 sync.puts(msg, sizeof(msg));
jford38 18:18dfc9fb33b5 193 }
jford38 18:18dfc9fb33b5 194
jford38 15:4b27a3a95772 195 sync.update();
jford38 17:7bc7127782e4 196 i = (i+1)%10;
jford38 15:4b27a3a95772 197 wait(0.1);
jford38 15:4b27a3a95772 198 }
jford38 0:899c85cd266f 199 }