Chris Dick / Mbed 2 deprecated Gameduino_Frogger_game

Frogger game for the Gameduino

Dependencies:   Gameduino mbed

main.cpp@3:91b295944b9a, 2012-12-21 (annotated)

Committer:
TheChrisyd
Date:
Fri Dec 21 13:51:01 2012 +0000
Revision:
3:91b295944b9a
Parent:
2:39f014e52c1c 
updated Gameduino library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
TheChrisyd 0:d8b6340b0cdf 1 #include "mbed.h"
TheChrisyd 0:d8b6340b0cdf 2 #include "GD.h"
TheChrisyd 0:d8b6340b0cdf 3 #include "frogger_background.h"
TheChrisyd 0:d8b6340b0cdf 4 #include "frogger_sprite.h"
TheChrisyd 0:d8b6340b0cdf 5 #include "shield.h"
TheChrisyd 0:d8b6340b0cdf 6
TheChrisyd 0:d8b6340b0cdf 7
TheChrisyd 0:d8b6340b0cdf 8 Serial debug(USBTX, USBRX);
TheChrisyd 0:d8b6340b0cdf 9 GDClass GD(ARD_MOSI, ARD_MISO, ARD_SCK, ARD_D9, USBTX, USBRX) ;
TheChrisyd 0:d8b6340b0cdf 10
TheChrisyd 0:d8b6340b0cdf 11 #define CONTROL_LEFT 1
TheChrisyd 0:d8b6340b0cdf 12 #define CONTROL_RIGHT 2
TheChrisyd 0:d8b6340b0cdf 13 #define CONTROL_UP 4
TheChrisyd 0:d8b6340b0cdf 14 #define CONTROL_DOWN 8
TheChrisyd 0:d8b6340b0cdf 15 DigitalIn down(ARD_A2);
TheChrisyd 0:d8b6340b0cdf 16 DigitalIn up(ARD_A3);
TheChrisyd 0:d8b6340b0cdf 17 DigitalIn left(ARD_A1);
TheChrisyd 0:d8b6340b0cdf 18 DigitalIn right(ARD_A0);
TheChrisyd 0:d8b6340b0cdf 19
TheChrisyd 0:d8b6340b0cdf 20 class Controller {
TheChrisyd 0:d8b6340b0cdf 21 public:
TheChrisyd 0:d8b6340b0cdf 22
TheChrisyd 0:d8b6340b0cdf 23 void begin() {
TheChrisyd 1:768e3d3a3ba0 24 down.mode(PullUp);
TheChrisyd 1:768e3d3a3ba0 25 up.mode(PullUp);
TheChrisyd 1:768e3d3a3ba0 26 left.mode(PullUp);
TheChrisyd 1:768e3d3a3ba0 27 right.mode(PullUp);
TheChrisyd 0:d8b6340b0cdf 28 prev = 0;
TheChrisyd 0:d8b6340b0cdf 29 }
TheChrisyd 0:d8b6340b0cdf 30
TheChrisyd 0:d8b6340b0cdf 31 byte read() {
TheChrisyd 0:d8b6340b0cdf 32 byte r = 0;
TheChrisyd 2:39f014e52c1c 33 if (!down)
TheChrisyd 0:d8b6340b0cdf 34 r |= CONTROL_DOWN;
TheChrisyd 2:39f014e52c1c 35 if (!up)
TheChrisyd 0:d8b6340b0cdf 36 r |= CONTROL_UP;
TheChrisyd 2:39f014e52c1c 37 if (!left)
TheChrisyd 0:d8b6340b0cdf 38 r |= CONTROL_LEFT;
TheChrisyd 2:39f014e52c1c 39 if (!right)
TheChrisyd 0:d8b6340b0cdf 40 r |= CONTROL_RIGHT;
TheChrisyd 0:d8b6340b0cdf 41 byte edge = r & ~prev;
TheChrisyd 0:d8b6340b0cdf 42 prev = r;
TheChrisyd 0:d8b6340b0cdf 43 return edge;
TheChrisyd 0:d8b6340b0cdf 44 }
TheChrisyd 0:d8b6340b0cdf 45 private:
TheChrisyd 0:d8b6340b0cdf 46 byte prev;
TheChrisyd 0:d8b6340b0cdf 47 };
TheChrisyd 0:d8b6340b0cdf 48
TheChrisyd 0:d8b6340b0cdf 49 static Controller Control;
TheChrisyd 0:d8b6340b0cdf 50
TheChrisyd 0:d8b6340b0cdf 51 #define BG_BLUE 0
TheChrisyd 0:d8b6340b0cdf 52 #define BG_ZERO 12
TheChrisyd 0:d8b6340b0cdf 53 #define BG_BLACK 34
TheChrisyd 0:d8b6340b0cdf 54 #define BG_LIFE 35
TheChrisyd 0:d8b6340b0cdf 55
TheChrisyd 0:d8b6340b0cdf 56 static int atxy(byte x, byte y) {
TheChrisyd 0:d8b6340b0cdf 57 return RAM_PIC + 64 * y + (x + 11);
TheChrisyd 0:d8b6340b0cdf 58 }
TheChrisyd 0:d8b6340b0cdf 59
TheChrisyd 0:d8b6340b0cdf 60 static void draw_score(uint16_t dst, long n) {
TheChrisyd 0:d8b6340b0cdf 61 GD.wr(dst + 0, BG_ZERO + (n / 10000) % 10); // ten-thousands
TheChrisyd 0:d8b6340b0cdf 62 GD.wr(dst + 1, BG_ZERO + (n / 1000) % 10); // thousands
TheChrisyd 0:d8b6340b0cdf 63 GD.wr(dst + 2, BG_ZERO + (n / 100) % 10); // hundreds
TheChrisyd 0:d8b6340b0cdf 64 GD.wr(dst + 3, BG_ZERO + (n / 10) % 10); // tens
TheChrisyd 0:d8b6340b0cdf 65 GD.wr(dst + 4, BG_ZERO + n % 10); // ones
TheChrisyd 0:d8b6340b0cdf 66 }
TheChrisyd 0:d8b6340b0cdf 67
TheChrisyd 0:d8b6340b0cdf 68 // Game variables
TheChrisyd 0:d8b6340b0cdf 69 static unsigned int t;
TheChrisyd 0:d8b6340b0cdf 70 static int frogx, frogy; // screen position
TheChrisyd 0:d8b6340b0cdf 71 static int leaping; // 0 means not leaping, 1-8 animates the leap
TheChrisyd 0:d8b6340b0cdf 72 static int frogdir; // while leaping, which direction is the leap?
TheChrisyd 0:d8b6340b0cdf 73 static int frogface; // which way is the frog facing, as a sprite ROT field
TheChrisyd 0:d8b6340b0cdf 74 static int dying; // 0 means not dying, 1-64 animation counter
TheChrisyd 0:d8b6340b0cdf 75 static long score;
TheChrisyd 0:d8b6340b0cdf 76 static long hiscore;
TheChrisyd 0:d8b6340b0cdf 77 static byte lives;
TheChrisyd 0:d8b6340b0cdf 78 static byte done[5];
TheChrisyd 0:d8b6340b0cdf 79 static byte homes[5] = { 24, 72, 120, 168, 216 };
TheChrisyd 0:d8b6340b0cdf 80
TheChrisyd 0:d8b6340b0cdf 81 void frog_start() {
TheChrisyd 0:d8b6340b0cdf 82 frogx = 120;
TheChrisyd 0:d8b6340b0cdf 83 frogy = 232;
TheChrisyd 0:d8b6340b0cdf 84 leaping = 0;
TheChrisyd 0:d8b6340b0cdf 85 frogdir = 0;
TheChrisyd 0:d8b6340b0cdf 86 frogface = 0;
TheChrisyd 0:d8b6340b0cdf 87 dying = 0;
TheChrisyd 0:d8b6340b0cdf 88 }
TheChrisyd 0:d8b6340b0cdf 89
TheChrisyd 0:d8b6340b0cdf 90 void level_start() {
TheChrisyd 0:d8b6340b0cdf 91 for (byte i = 0; i < 5; i++)
TheChrisyd 0:d8b6340b0cdf 92 done[i] = 0;
TheChrisyd 0:d8b6340b0cdf 93
TheChrisyd 0:d8b6340b0cdf 94 GD.begin();
TheChrisyd 0:d8b6340b0cdf 95 //wait_ms(500);
TheChrisyd 0:d8b6340b0cdf 96 GD.copy(RAM_CHR, froggerbg_chr, sizeof(froggerbg_chr));
TheChrisyd 0:d8b6340b0cdf 97 GD.copy(RAM_PAL, froggerbg_pal, sizeof(froggerbg_pal));
TheChrisyd 0:d8b6340b0cdf 98 GD.fill(RAM_PIC, BG_BLACK, 4096);
TheChrisyd 0:d8b6340b0cdf 99 for (byte y = 0; y < 32; y++)
TheChrisyd 0:d8b6340b0cdf 100 GD.copy(atxy(0, y), froggerbg_pic + y * 28, 28);
TheChrisyd 0:d8b6340b0cdf 101 GD.fill(1 * 64 + 11, BG_BLUE, 28);
TheChrisyd 0:d8b6340b0cdf 102
TheChrisyd 0:d8b6340b0cdf 103 byte i = 255;
TheChrisyd 0:d8b6340b0cdf 104 for (int y = 0; y < 256; y += 16) {
TheChrisyd 0:d8b6340b0cdf 105 GD.sprite(i--, 0, y, 63, 0);
TheChrisyd 0:d8b6340b0cdf 106 GD.sprite(i--, 16, y, 63, 0);
TheChrisyd 0:d8b6340b0cdf 107 GD.sprite(i--, 24, y, 63, 0);
TheChrisyd 0:d8b6340b0cdf 108 GD.sprite(i--, 40, y, 63, 0);
TheChrisyd 0:d8b6340b0cdf 109 GD.sprite(i--, 56, y, 63, 0);
TheChrisyd 0:d8b6340b0cdf 110 GD.sprite(i--, 72, y, 63, 0);
TheChrisyd 0:d8b6340b0cdf 111 GD.sprite(i--, 72 + 240, y, 63, 0);
TheChrisyd 0:d8b6340b0cdf 112 GD.sprite(i--, 72 + 256, y, 63, 0);
TheChrisyd 0:d8b6340b0cdf 113 GD.sprite(i--, 72 + 272, y, 63, 0);
TheChrisyd 0:d8b6340b0cdf 114 GD.sprite(i--, 72 + 288, y, 63, 0);
TheChrisyd 0:d8b6340b0cdf 115 GD.sprite(i--, 72 + 304, y, 63, 0);
TheChrisyd 0:d8b6340b0cdf 116 GD.sprite(i--, 72 + 320, y, 63, 0);
TheChrisyd 0:d8b6340b0cdf 117 GD.sprite(i--, 72 + 336, y, 63, 0);
TheChrisyd 0:d8b6340b0cdf 118 }
TheChrisyd 0:d8b6340b0cdf 119
TheChrisyd 0:d8b6340b0cdf 120 GD.copy(PALETTE16A, sprite_sprpal, sizeof(sprite_sprpal));
TheChrisyd 0:d8b6340b0cdf 121 GD.uncompress(RAM_SPRIMG, sprite_sprimg);
TheChrisyd 0:d8b6340b0cdf 122 }
TheChrisyd 0:d8b6340b0cdf 123
TheChrisyd 0:d8b6340b0cdf 124 void game_start() {
TheChrisyd 0:d8b6340b0cdf 125 lives = 4;
TheChrisyd 0:d8b6340b0cdf 126 score = 0;
TheChrisyd 0:d8b6340b0cdf 127 }
TheChrisyd 0:d8b6340b0cdf 128
TheChrisyd 0:d8b6340b0cdf 129 void setup() {
TheChrisyd 0:d8b6340b0cdf 130 Control.begin();
TheChrisyd 0:d8b6340b0cdf 131
TheChrisyd 0:d8b6340b0cdf 132 game_start();
TheChrisyd 0:d8b6340b0cdf 133 level_start();
TheChrisyd 0:d8b6340b0cdf 134 frog_start();
TheChrisyd 0:d8b6340b0cdf 135 }
TheChrisyd 0:d8b6340b0cdf 136
TheChrisyd 0:d8b6340b0cdf 137 static void sprite(byte x, byte y, byte anim, byte rot = 0) {
TheChrisyd 0:d8b6340b0cdf 138 draw_sprite(x + 80, y, anim, rot);
TheChrisyd 0:d8b6340b0cdf 139 }
TheChrisyd 0:d8b6340b0cdf 140
TheChrisyd 0:d8b6340b0cdf 141 static void turtle3(byte x, byte y) {
TheChrisyd 0:d8b6340b0cdf 142 byte anim = 50 + ((t / 32) % 3);
TheChrisyd 0:d8b6340b0cdf 143 sprite(x, y, anim);
TheChrisyd 0:d8b6340b0cdf 144 sprite(x + 16, y, anim);
TheChrisyd 0:d8b6340b0cdf 145 sprite(x + 32, y, anim);
TheChrisyd 0:d8b6340b0cdf 146 }
TheChrisyd 0:d8b6340b0cdf 147
TheChrisyd 0:d8b6340b0cdf 148 static void turtle2(byte x, byte y) {
TheChrisyd 0:d8b6340b0cdf 149 byte anim = 50 + ((t / 32) % 3);
TheChrisyd 0:d8b6340b0cdf 150 sprite(x, y, anim);
TheChrisyd 0:d8b6340b0cdf 151 sprite(x + 16, y, anim);
TheChrisyd 0:d8b6340b0cdf 152 }
TheChrisyd 0:d8b6340b0cdf 153
TheChrisyd 0:d8b6340b0cdf 154 void log1(byte x, byte y) {
TheChrisyd 0:d8b6340b0cdf 155 sprite(x, y, 86);
TheChrisyd 0:d8b6340b0cdf 156 sprite(x + 16, y, 87);
TheChrisyd 0:d8b6340b0cdf 157 sprite(x + 32, y, 88);
TheChrisyd 0:d8b6340b0cdf 158 }
TheChrisyd 0:d8b6340b0cdf 159
TheChrisyd 0:d8b6340b0cdf 160 void log(byte length, byte x, byte y) {
TheChrisyd 0:d8b6340b0cdf 161 sprite(x, y, 86);
TheChrisyd 0:d8b6340b0cdf 162 while (length--) {
TheChrisyd 0:d8b6340b0cdf 163 x += 16;
TheChrisyd 0:d8b6340b0cdf 164 sprite(x, y, 87);
TheChrisyd 0:d8b6340b0cdf 165 }
TheChrisyd 0:d8b6340b0cdf 166 sprite(x + 16, y, 88);
TheChrisyd 0:d8b6340b0cdf 167 }
TheChrisyd 0:d8b6340b0cdf 168
TheChrisyd 0:d8b6340b0cdf 169 static int riverat(byte y, uint16_t tt) {
TheChrisyd 0:d8b6340b0cdf 170 switch (y) {
TheChrisyd 0:d8b6340b0cdf 171 case 120:
TheChrisyd 0:d8b6340b0cdf 172 return -tt;
TheChrisyd 0:d8b6340b0cdf 173 case 104:
TheChrisyd 0:d8b6340b0cdf 174 return tt;
TheChrisyd 0:d8b6340b0cdf 175 case 88:
TheChrisyd 0:d8b6340b0cdf 176 return 5 * tt / 4;
TheChrisyd 0:d8b6340b0cdf 177 case 72:
TheChrisyd 0:d8b6340b0cdf 178 return -tt / 2;
TheChrisyd 0:d8b6340b0cdf 179 case 56:
TheChrisyd 0:d8b6340b0cdf 180 return tt / 2;
TheChrisyd 0:d8b6340b0cdf 181 default:
TheChrisyd 0:d8b6340b0cdf 182 return 0;
TheChrisyd 0:d8b6340b0cdf 183 }
TheChrisyd 0:d8b6340b0cdf 184 }
TheChrisyd 0:d8b6340b0cdf 185
TheChrisyd 0:d8b6340b0cdf 186 // midi frequency table
TheChrisyd 0:d8b6340b0cdf 187 static int midifreq[128] = {
TheChrisyd 0:d8b6340b0cdf 188 32,34,36,38,41,43,46,48,51,55,58,61,65,69,73,77,82,87,92,97,103,110,116,123,130,138,146,155,164,174,184,195,207,220,233,246,261,277,293,311,329,349,369,391,415,440,466,493,523,554,587,622,659,698,739,783,830,880,932,987,1046,1108,1174,1244,1318,1396,1479,1567,1661,1760,1864,1975,2093,2217,2349,2489,2637,2793,2959,3135,3322,3520,3729,3951,4186,4434,4698,4978,5274,5587,5919,6271,6644,7040,7458,7902,8372,8869,9397,9956,10548,11175,11839,12543,13289,14080,14917,15804,16744,17739,18794,19912,21096,22350,23679,25087,26579,28160,29834,31608,33488,35479,37589,39824,42192,44701,47359,50175
TheChrisyd 0:d8b6340b0cdf 189 };
TheChrisyd 0:d8b6340b0cdf 190
TheChrisyd 0:d8b6340b0cdf 191 //#define MIDI(n) pgm_read_word(midifreq + (n))
TheChrisyd 0:d8b6340b0cdf 192
TheChrisyd 0:d8b6340b0cdf 193 static void squarewave(uint16_t freq, byte amp) {
TheChrisyd 0:d8b6340b0cdf 194 GD.voice(0, 0, freq, amp, amp);
TheChrisyd 0:d8b6340b0cdf 195 GD.voice(1, 0, 3 * freq, amp/3, amp/3);
TheChrisyd 0:d8b6340b0cdf 196 GD.voice(2, 0, 5 * freq, amp/5, amp/5);
TheChrisyd 0:d8b6340b0cdf 197 GD.voice(3, 0, 7 * freq, amp/7, amp/7);
TheChrisyd 0:d8b6340b0cdf 198 GD.voice(4, 0, 9 * freq, amp/9, amp/9);
TheChrisyd 0:d8b6340b0cdf 199 GD.voice(5, 0, 11 * freq, amp/11, amp/11);
TheChrisyd 0:d8b6340b0cdf 200 }
TheChrisyd 0:d8b6340b0cdf 201
TheChrisyd 0:d8b6340b0cdf 202 static void sound() {
TheChrisyd 0:d8b6340b0cdf 203 byte note;
TheChrisyd 0:d8b6340b0cdf 204
TheChrisyd 0:d8b6340b0cdf 205 if (dying) {
TheChrisyd 0:d8b6340b0cdf 206 note = 84 - (dying / 2);
TheChrisyd 0:d8b6340b0cdf 207 squarewave(midifreq[note], 100);
TheChrisyd 0:d8b6340b0cdf 208 } else if (leaping) {
TheChrisyd 0:d8b6340b0cdf 209 if (leaping & 1)
TheChrisyd 0:d8b6340b0cdf 210 note = 60 + leaping;
TheChrisyd 0:d8b6340b0cdf 211 else
TheChrisyd 0:d8b6340b0cdf 212 note = 72 + leaping;
TheChrisyd 0:d8b6340b0cdf 213 squarewave(midifreq[note], 100);
TheChrisyd 0:d8b6340b0cdf 214 } else {
TheChrisyd 0:d8b6340b0cdf 215 squarewave(0, 0); // silence
TheChrisyd 0:d8b6340b0cdf 216 }
TheChrisyd 0:d8b6340b0cdf 217 }
TheChrisyd 0:d8b6340b0cdf 218
TheChrisyd 0:d8b6340b0cdf 219 void loop() {
TheChrisyd 0:d8b6340b0cdf 220 GD.__wstartspr(0);
TheChrisyd 0:d8b6340b0cdf 221
TheChrisyd 0:d8b6340b0cdf 222 // Completed homes
TheChrisyd 0:d8b6340b0cdf 223 for (byte i = 0; i < 5; i++) {
TheChrisyd 0:d8b6340b0cdf 224 if (done[i])
TheChrisyd 0:d8b6340b0cdf 225 sprite(homes[i], 40, 63);
TheChrisyd 0:d8b6340b0cdf 226 }
TheChrisyd 0:d8b6340b0cdf 227
TheChrisyd 0:d8b6340b0cdf 228 // Yellow cars
TheChrisyd 0:d8b6340b0cdf 229 sprite(-t, 216, 3);
TheChrisyd 0:d8b6340b0cdf 230 sprite(-t + 128, 216, 3);
TheChrisyd 0:d8b6340b0cdf 231
TheChrisyd 0:d8b6340b0cdf 232 // Dozers
TheChrisyd 0:d8b6340b0cdf 233 sprite(t, 200, 4);
TheChrisyd 0:d8b6340b0cdf 234 sprite(t + 50, 200, 4);
TheChrisyd 0:d8b6340b0cdf 235 sprite(t + 150, 200, 4);
TheChrisyd 0:d8b6340b0cdf 236
TheChrisyd 0:d8b6340b0cdf 237 // Purple cars
TheChrisyd 0:d8b6340b0cdf 238 sprite(-t, 184, 7);
TheChrisyd 0:d8b6340b0cdf 239 sprite(-t + 75, 184, 7);
TheChrisyd 0:d8b6340b0cdf 240 sprite(-t + 150, 184, 7);
TheChrisyd 0:d8b6340b0cdf 241
TheChrisyd 0:d8b6340b0cdf 242 // Green and white racecars
TheChrisyd 0:d8b6340b0cdf 243 sprite(2 * t, 168, 8);
TheChrisyd 0:d8b6340b0cdf 244
TheChrisyd 0:d8b6340b0cdf 245 // Trucks
TheChrisyd 0:d8b6340b0cdf 246 sprite(-t/2, 152, 5);
TheChrisyd 0:d8b6340b0cdf 247 sprite(-t/2 + 16, 152, 6);
TheChrisyd 0:d8b6340b0cdf 248 sprite(-t/2 + 100, 152, 5);
TheChrisyd 0:d8b6340b0cdf 249 sprite(-t/2 + 116, 152, 6);
TheChrisyd 0:d8b6340b0cdf 250
TheChrisyd 0:d8b6340b0cdf 251 // Turtles
TheChrisyd 0:d8b6340b0cdf 252 for (int i = 0; i < 256; i += 64)
TheChrisyd 0:d8b6340b0cdf 253 turtle3(riverat(120, t) + i, 120);
TheChrisyd 0:d8b6340b0cdf 254
TheChrisyd 0:d8b6340b0cdf 255 // Short logs
TheChrisyd 0:d8b6340b0cdf 256 for (int i = 0; i < 240; i += 80)
TheChrisyd 0:d8b6340b0cdf 257 log(1, riverat(104, t) + i, 104);
TheChrisyd 0:d8b6340b0cdf 258
TheChrisyd 0:d8b6340b0cdf 259 // Long logs
TheChrisyd 0:d8b6340b0cdf 260 for (int i = 0; i < 256; i += 128)
TheChrisyd 0:d8b6340b0cdf 261 log(5, riverat(88, t) + i, 88);
TheChrisyd 0:d8b6340b0cdf 262
TheChrisyd 0:d8b6340b0cdf 263 // Turtles again, but slower
TheChrisyd 0:d8b6340b0cdf 264 for (int i = 0; i < 250; i += 50)
TheChrisyd 0:d8b6340b0cdf 265 turtle2(riverat(72, t) + i, 72);
TheChrisyd 0:d8b6340b0cdf 266
TheChrisyd 0:d8b6340b0cdf 267 // Top logs
TheChrisyd 0:d8b6340b0cdf 268 for (int i = 0; i < 210; i += 70)
TheChrisyd 0:d8b6340b0cdf 269 log(2, riverat(56, t) + i, 56);
TheChrisyd 0:d8b6340b0cdf 270
TheChrisyd 0:d8b6340b0cdf 271 // The frog himself, or his death animation
TheChrisyd 0:d8b6340b0cdf 272 byte frogspr = GD.spr; // record which sprite slot frog got, for collision check below
TheChrisyd 0:d8b6340b0cdf 273
TheChrisyd 0:d8b6340b0cdf 274 if (!dying) {
TheChrisyd 0:d8b6340b0cdf 275 static byte frog_anim[] = {2, 1, 0, 0, 2};
TheChrisyd 0:d8b6340b0cdf 276 sprite(frogx, frogy, frog_anim[leaping / 2], frogface);
TheChrisyd 0:d8b6340b0cdf 277 } else {
TheChrisyd 0:d8b6340b0cdf 278 static byte die_anim[] = {31, 32, 33, 30};
TheChrisyd 0:d8b6340b0cdf 279 sprite(frogx, frogy, die_anim[dying / 16], frogface);
TheChrisyd 0:d8b6340b0cdf 280 }
TheChrisyd 0:d8b6340b0cdf 281
TheChrisyd 0:d8b6340b0cdf 282 GD.__end();
TheChrisyd 0:d8b6340b0cdf 283 t++;
TheChrisyd 0:d8b6340b0cdf 284
TheChrisyd 0:d8b6340b0cdf 285 // player control. If button pressed, start the 'leaping' counter
TheChrisyd 0:d8b6340b0cdf 286 byte con = Control.read();
TheChrisyd 0:d8b6340b0cdf 287 if (!dying && (leaping == 0) && con) {
TheChrisyd 0:d8b6340b0cdf 288 frogdir = con;
TheChrisyd 0:d8b6340b0cdf 289 leaping = 1;
TheChrisyd 0:d8b6340b0cdf 290 score += 10;
TheChrisyd 0:d8b6340b0cdf 291 } else if (leaping > 0) {
TheChrisyd 0:d8b6340b0cdf 292 if (leaping <= 8) {
TheChrisyd 0:d8b6340b0cdf 293 if (frogdir == CONTROL_LEFT) {
TheChrisyd 0:d8b6340b0cdf 294 frogx -= 2;
TheChrisyd 0:d8b6340b0cdf 295 frogface = 3;
TheChrisyd 0:d8b6340b0cdf 296 }
TheChrisyd 0:d8b6340b0cdf 297 if (frogdir == CONTROL_RIGHT) {
TheChrisyd 0:d8b6340b0cdf 298 frogx += 2;
TheChrisyd 0:d8b6340b0cdf 299 frogface = 5;
TheChrisyd 0:d8b6340b0cdf 300 }
TheChrisyd 0:d8b6340b0cdf 301 if (frogdir == CONTROL_UP) {
TheChrisyd 0:d8b6340b0cdf 302 frogy -= 2;
TheChrisyd 0:d8b6340b0cdf 303 frogface = 0;
TheChrisyd 0:d8b6340b0cdf 304 }
TheChrisyd 0:d8b6340b0cdf 305 if (frogdir == CONTROL_DOWN) {
TheChrisyd 0:d8b6340b0cdf 306 frogy += 2;
TheChrisyd 0:d8b6340b0cdf 307 frogface = 6;
TheChrisyd 0:d8b6340b0cdf 308 }
TheChrisyd 0:d8b6340b0cdf 309 leaping++;
TheChrisyd 0:d8b6340b0cdf 310 } else {
TheChrisyd 0:d8b6340b0cdf 311 leaping = 0;
TheChrisyd 0:d8b6340b0cdf 312 }
TheChrisyd 0:d8b6340b0cdf 313 }
TheChrisyd 0:d8b6340b0cdf 314
TheChrisyd 0:d8b6340b0cdf 315 GD.waitvblank();
TheChrisyd 0:d8b6340b0cdf 316 byte touching = (GD.rd(COLLISION + frogspr) != 0xff);
TheChrisyd 0:d8b6340b0cdf 317
TheChrisyd 0:d8b6340b0cdf 318 if (dying) {
TheChrisyd 0:d8b6340b0cdf 319 if (++dying == 64) {
TheChrisyd 0:d8b6340b0cdf 320 if (--lives == 0) {
TheChrisyd 0:d8b6340b0cdf 321 game_start();
TheChrisyd 0:d8b6340b0cdf 322 level_start();
TheChrisyd 0:d8b6340b0cdf 323 }
TheChrisyd 0:d8b6340b0cdf 324 frog_start();
TheChrisyd 0:d8b6340b0cdf 325 }
TheChrisyd 0:d8b6340b0cdf 326 } else if (frogx < 8 || frogx > 224) {
TheChrisyd 0:d8b6340b0cdf 327 dying = 1;
TheChrisyd 0:d8b6340b0cdf 328 } else if (frogy >= 136) { // road section
TheChrisyd 0:d8b6340b0cdf 329 // if touching something, frog dies
TheChrisyd 0:d8b6340b0cdf 330 if (touching)
TheChrisyd 0:d8b6340b0cdf 331 dying = 1;
TheChrisyd 0:d8b6340b0cdf 332 } else if (frogy > 40) { // river section
TheChrisyd 0:d8b6340b0cdf 333 if (!leaping) {
TheChrisyd 0:d8b6340b0cdf 334 // if touching something, frog is safe
TheChrisyd 0:d8b6340b0cdf 335 if (touching) {
TheChrisyd 0:d8b6340b0cdf 336 // move frog according to lane speed
TheChrisyd 0:d8b6340b0cdf 337 int oldx = riverat(frogy, t - 1);
TheChrisyd 0:d8b6340b0cdf 338 int newx = riverat(frogy, t);
TheChrisyd 0:d8b6340b0cdf 339 int river_velocity = newx - oldx;
TheChrisyd 0:d8b6340b0cdf 340 frogx += river_velocity;
TheChrisyd 0:d8b6340b0cdf 341 } else {
TheChrisyd 0:d8b6340b0cdf 342 dying = 1;
TheChrisyd 0:d8b6340b0cdf 343 }
TheChrisyd 0:d8b6340b0cdf 344 }
TheChrisyd 0:d8b6340b0cdf 345 } else { // riverbank section
TheChrisyd 0:d8b6340b0cdf 346 if (!leaping) {
TheChrisyd 0:d8b6340b0cdf 347 byte landed = 0;
TheChrisyd 0:d8b6340b0cdf 348 for (byte i = 0; i < 5; i ++) {
TheChrisyd 0:d8b6340b0cdf 349 if (!done[i] && abs(homes[i] - frogx) < 4) {
TheChrisyd 0:d8b6340b0cdf 350 done[i] = 1;
TheChrisyd 0:d8b6340b0cdf 351 landed = 1;
TheChrisyd 0:d8b6340b0cdf 352 score += 10;
TheChrisyd 0:d8b6340b0cdf 353 }
TheChrisyd 0:d8b6340b0cdf 354 }
TheChrisyd 0:d8b6340b0cdf 355 if (landed) {
TheChrisyd 0:d8b6340b0cdf 356 if (done[0] && done[1] && done[2] && done[3] && done[4])
TheChrisyd 0:d8b6340b0cdf 357 level_start();
TheChrisyd 0:d8b6340b0cdf 358 frog_start();
TheChrisyd 0:d8b6340b0cdf 359 } else // if frog did not land in a home, die!
TheChrisyd 0:d8b6340b0cdf 360 dying = 1;
TheChrisyd 0:d8b6340b0cdf 361 }
TheChrisyd 0:d8b6340b0cdf 362 }
TheChrisyd 0:d8b6340b0cdf 363 sound();
TheChrisyd 0:d8b6340b0cdf 364 if (score > hiscore) {
TheChrisyd 0:d8b6340b0cdf 365 hiscore = score;
TheChrisyd 0:d8b6340b0cdf 366 }
TheChrisyd 0:d8b6340b0cdf 367 draw_score(atxy(3, 1), score);
TheChrisyd 0:d8b6340b0cdf 368 draw_score(atxy(11, 1), hiscore);
TheChrisyd 0:d8b6340b0cdf 369 for (byte i = 0; i < 16; i++)
TheChrisyd 0:d8b6340b0cdf 370 GD.wr(atxy(i, 30), (i < lives) ? BG_LIFE : BG_BLACK);
TheChrisyd 0:d8b6340b0cdf 371 }
TheChrisyd 0:d8b6340b0cdf 372
TheChrisyd 0:d8b6340b0cdf 373
TheChrisyd 0:d8b6340b0cdf 374 int main() {
TheChrisyd 0:d8b6340b0cdf 375 setup();
TheChrisyd 0:d8b6340b0cdf 376 while (1) {
TheChrisyd 0:d8b6340b0cdf 377 loop();
TheChrisyd 0:d8b6340b0cdf 378 }
TheChrisyd 0:d8b6340b0cdf 379 }
TheChrisyd 0:d8b6340b0cdf 380