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- #include <SPI.h>
- #include <GD.h>
- // Background http://gameduino.com/results/5f30d40b/
- // Sprites http://gameduino.com/results/1d2bd1ca/
- #include "froggerbg.h"
- #include "sprite.h"
- #define CONTROL_LEFT 1
- #define CONTROL_RIGHT 2
- #define CONTROL_UP 4
- #define CONTROL_DOWN 8
- class Controller {
- public:
- void begin() {
- byte i;
- for (i = 3; i < 7; i++) {
- pinMode(i, INPUT);
- digitalWrite(i, HIGH);
- }
- prev = 0;
- }
- byte read() {
- byte r = 0;
- if (!digitalRead(5))
- r |= CONTROL_DOWN;
- if (!digitalRead(4))
- r |= CONTROL_UP;
- if (!digitalRead(6))
- r |= CONTROL_LEFT;
- if (!digitalRead(3))
- r |= CONTROL_RIGHT;
- byte edge = r & ~prev;
- prev = r;
- return edge;
- }
- private:
- byte prev;
- };
- static Controller Control;
- #define BG_BLUE 0
- #define BG_ZERO 12
- #define BG_BLACK 34
- #define BG_LIFE 35
- // JCB-FROG3-ATXY0
- static uint16_t atxy(byte x, byte y)
- {
- return RAM_PIC + 64 * y + (x + 11);
- }
- // JCB-FROG3-ATXY1
- static void draw_score(uint16_t dst, long n)
- {
- GD.wr(dst + 0, BG_ZERO + (n / 10000) % 10); // ten-thousands
- GD.wr(dst + 1, BG_ZERO + (n / 1000) % 10); // thousands
- GD.wr(dst + 2, BG_ZERO + (n / 100) % 10); // hundreds
- GD.wr(dst + 3, BG_ZERO + (n / 10) % 10); // tens
- GD.wr(dst + 4, BG_ZERO + n % 10); // ones
- }
- // Game variables
- static unsigned int t;
- // JCB-FROG3-VARSA
- static int frogx, frogy; // screen position
- static int leaping; // 0 means not leaping, 1-8 animates the leap
- static int frogdir; // while leaping, which direction is the leap?
- static int frogface; // which way is the frog facing, as a sprite ROT field
- static int dying; // 0 means not dying, 1-64 animation counter
- // JCB-FROG3-VARSB
- static long score;
- static long hiscore;
- static byte lives;
- static byte done[5];
- static byte homes[5] = { 24, 72, 120, 168, 216 };
- // JCB-FROG3-FROGSTART-0
- void frog_start()
- {
- frogx = 120;
- frogy = 232;
- leaping = 0;
- frogdir = 0;
- frogface = 0;
- dying = 0;
- }
- // JCB-FROG3-FROGSTART-1
- void level_start()
- {
- for (byte i = 0; i < 5; i++)
- done[i] = 0;
- GD.begin();
- delay(500);
- GD.copy(RAM_CHR, froggerbg_chr, sizeof(froggerbg_chr));
- GD.copy(RAM_PAL, froggerbg_pal, sizeof(froggerbg_pal));
- GD.fill(RAM_PIC, BG_BLACK, 4096);
- for (byte y = 0; y < 32; y++)
- GD.copy(atxy(0, y), froggerbg_pic + y * 28, 28);
- GD.fill(1 * 64 + 11, BG_BLUE, 28);
- // JCB-FROG3-CURTAINS0
- byte i = 255;
- for (int y = 0; y < 256; y += 16) {
- GD.sprite(i--, 72, y, 63, 0);
- GD.sprite(i--, 72 + 240, y, 63, 0);
- GD.sprite(i--, 72 + 256, y, 63, 0);
- }
- // JCB-FROG3-CURTAINS1
- GD.copy(PALETTE16A, sprite_sprpal, sizeof(sprite_sprpal));
- GD.uncompress(RAM_SPRIMG, sprite_sprimg);
- }
- void game_start()
- {
- lives = 4;
- score = 0;
- }
- void setup()
- {
- Serial.begin(1000000); // JCB
- Control.begin();
- game_start();
- level_start();
- frog_start();
- }
- // JCB-FROG3-SPRITE0
- static void sprite(byte x, byte y, byte anim, byte rot = 0)
- {
- draw_sprite(x + 80, y, anim, rot);
- }
- // JCB-FROG3-SPRITE1
- static void turtle3(byte x, byte y)
- {
- byte anim = 50 + ((t / 32) % 3);
- sprite(x, y, anim);
- sprite(x + 16, y, anim);
- sprite(x + 32, y, anim);
- }
- static void turtle2(byte x, byte y)
- {
- byte anim = 50 + ((t / 32) % 3);
- sprite(x, y, anim);
- sprite(x + 16, y, anim);
- }
- void log1(byte x, byte y)
- {
- sprite(x, y, 86);
- sprite(x + 16, y, 87);
- sprite(x + 32, y, 88);
- }
- void log(byte length, byte x, byte y)
- {
- sprite(x, y, 86);
- while (length--) {
- x += 16;
- sprite(x, y, 87);
- }
- sprite(x + 16, y, 88);
- }
- static int riverat(byte y, uint16_t tt)
- {
- switch (y) {
- case 120: return -tt;
- case 104: return tt;
- case 88: return 5 * tt / 4;
- case 72: return -tt / 2;
- case 56: return tt / 2;
- }
- }
- // JCB-FROG3-SND0
- // midi frequency table
- static PROGMEM prog_uint16_t midifreq[128] = {
- 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
- };
- #define MIDI(n) pgm_read_word(midifreq + (n))
- static void squarewave(uint16_t freq, byte amp)
- {
- GD.voice(0, 0, freq, amp, amp);
- GD.voice(1, 0, 3 * freq, amp/3, amp/3);
- GD.voice(2, 0, 5 * freq, amp/5, amp/5);
- GD.voice(3, 0, 7 * freq, amp/7, amp/7);
- GD.voice(4, 0, 9 * freq, amp/9, amp/9);
- GD.voice(5, 0, 11 * freq, amp/11, amp/11);
- }
- static void sound()
- {
- byte note;
- if (dying) {
- note = 84 - (dying / 2);
- squarewave(MIDI(note), 100);
- } else if (leaping) {
- if (leaping & 1)
- note = 60 + leaping;
- else
- note = 72 + leaping;
- squarewave(MIDI(note), 100);
- } else {
- squarewave(0, 0); // silence
- }
- }
- // JCB-FROG3-SND1
- void loop()
- {
- GD.__wstartspr(0);
- // Completed homes
- for (byte i = 0; i < 5; i++) {
- if (done[i])
- sprite(homes[i], 40, 63);
- }
- // Yellow cars
- sprite(-t, 216, 3);
- sprite(-t + 128, 216, 3);
- // Dozers
- sprite(t, 200, 4);
- sprite(t + 50, 200, 4);
- sprite(t + 150, 200, 4);
- // Purple cars
- sprite(-t, 184, 7);
- sprite(-t + 75, 184, 7);
- sprite(-t + 150, 184, 7);
- // Green and white racecars
- sprite(2 * t, 168, 8);
- // Trucks
- sprite(-t/2, 152, 5);
- sprite(-t/2 + 16, 152, 6);
- sprite(-t/2 + 100, 152, 5);
- sprite(-t/2 + 116, 152, 6);
- // Turtles
- for (int i = 0; i < 256; i += 64)
- turtle3(riverat(120, t) + i, 120);
- // Short logs
- for (int i = 0; i < 240; i += 80)
- log(1, riverat(104, t) + i, 104);
- // Long logs
- for (int i = 0; i < 256; i += 128)
- log(5, riverat(88, t) + i, 88);
- // Turtles again, but slower
- for (int i = 0; i < 250; i += 50)
- turtle2(riverat(72, t) + i, 72);
- // Top logs
- for (int i = 0; i < 210; i += 70)
- log(2, riverat(56, t) + i, 56);
- // JCB-FROG3-DRAW-0
- // The frog himself, or his death animation
- byte frogspr = GD.spr; // record which sprite slot frog got, for collision check below
- if (!dying) {
- static byte frog_anim[] = {2, 1, 0, 0, 2};
- sprite(frogx, frogy, frog_anim[leaping / 2], frogface);
- } else {
- static byte die_anim[] = {31, 32, 33, 30};
- sprite(frogx, frogy, die_anim[dying / 16], frogface);
- }
- // JCB-FROG3-DRAW-1
- GD.__end();
- // GD.screenshot(t); // JCB
- t++;
- // JCB-FROG3-E
- // player control. If button pressed, start the 'leaping' counter
- byte con = Control.read();
- if (!dying && (leaping == 0) && con) {
- frogdir = con;
- leaping = 1;
- score += 10;
- } else if (leaping > 0) {
- if (leaping <= 8) {
- if (frogdir == CONTROL_LEFT) {
- frogx -= 2;
- frogface = 3;
- } if (frogdir == CONTROL_RIGHT) {
- frogx += 2;
- frogface = 5;
- } if (frogdir == CONTROL_UP) {
- frogy -= 2;
- frogface = 0;
- } if (frogdir == CONTROL_DOWN) {
- frogy += 2;
- frogface = 6;
- }
- leaping++;
- } else {
- leaping = 0;
- }
- }
- // JCB-FROG3-F
-
- // JCB-FROG3-COLLIDE-0
- GD.waitvblank();
- byte touching = (GD.rd(COLLISION + frogspr) != 0xff);
- // JCB-FROG3-COLLIDE-1
- // JCB-FROG3-G
- if (dying) {
- if (++dying == 64) {
- if (--lives == 0) {
- game_start();
- level_start();
- }
- frog_start();
- }
- }
- else if (frogx < 8 || frogx > 224) {
- dying = 1;
- }
- // JCB-FROG3-H
- // JCB-FROG3-I
- else if (frogy >= 136) { // road section
- // if touching something, frog dies
- if (touching)
- dying = 1;
- }
- // JCB-FROG3-J
- else if (frogy > 40) { // river section
- if (!leaping) {
- // if touching something, frog is safe
- if (touching) {
- // move frog according to lane speed
- int oldx = riverat(frogy, t - 1);
- int newx = riverat(frogy, t);
- int river_velocity = newx - oldx;
- frogx += river_velocity;
- } else {
- dying = 1;
- }
- }
- }
- else
- // JCB-FROG3-K
- { // riverbank section
- if (!leaping) {
- byte landed = 0;
- for (byte i = 0; i < 5; i ++) {
- if (!done[i] && abs(homes[i] - frogx) < 4) {
- done[i] = 1;
- landed = 1;
- score += 10;
- }
- }
- if (landed) {
- if (done[0] && done[1] && done[2] && done[3] && done[4])
- level_start();
- frog_start();
- } else // if frog did not land in a home, die!
- dying = 1;
- }
- }
- // JCB-FROG3-L
- sound();
- hiscore = max(score, hiscore);
- draw_score(atxy(3, 1), score);
- draw_score(atxy(11, 1), hiscore);
- for (byte i = 0; i < 16; i++)
- GD.wr(atxy(i, 30), (i < lives) ? BG_LIFE : BG_BLACK);
- }
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