roox has uploaded this change for review. (
https://gerrit.osmocom.org/c/osmocom-bb/+/19486 )
Change subject: Wrote my not yet feature complete implementation of Snake.
..
Wrote my not yet feature complete implementation of Snake.
Change-Id: Ib146f749b60e5851ba0723546697e09a6a05ae85
---
M src/target/firmware/apps/snake_game/main.c
1 file changed, 267 insertions(+), 37 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmocom-bb refs/changes/86/19486/1
diff --git a/src/target/firmware/apps/snake_game/main.c
b/src/target/firmware/apps/snake_game/main.c
index 63dba3f..a4e8296 100644
--- a/src/target/firmware/apps/snake_game/main.c
+++ b/src/target/firmware/apps/snake_game/main.c
@@ -25,6 +25,10 @@
#include
#include
+#define DEBUG 1
+#define KNRM "\x1B[0m"
+#define UNDERLINE "\x1B[4m"
+
#include
#include
#include
@@ -44,6 +48,227 @@
#include
#include
+#define BLANK 0
+#define HEAD 1
+#define TAIL 2
+#define HEAD_FOOD 3
+#define FOOD 9
+#define SBODY 20
+/* The numbers above 20 are the distance to the head.
+ * 21 is direly behind the head.
+*/
+#define STDLEN 3
+#define HEIGHT 7
+#define WIDTH 16
+struct position {
+ int x;
+ int y;
+} pos;
+
+uint8_t field[WIDTH][HEIGHT];
+uint16_t score = 0, lenght = 0;
+enum errors { ALLRIGHT, SNAKE_COL, } err;
+
+void printField();
+void setItem(int, int, int);
+void movepos(char);
+void increaseBodyAge();
+void setFood() {
+ int x, y, c;
+ /* for (c = 0; c < 10;c++) { */
+ /* x = rand() % (WIDTH -1); */
+ /* y = rand() % (HEIGHT -1); */
+ /* if (field[x][y] == BLANK) { */
+ /* field[x][y] = FOOD; */
+ /* return; */
+ /* } */
+ /* } */
+ for (x = 0; x < WIDTH; x++) {
+ for (y = 0; y < HEIGHT; y++) {
+ if (field[x][y] == BLANK) {
+ field[x][y] = FOOD;
+ if (DEBUG > 0) printf("Set without rand (%d|%d)
%d\n", x, y, c);
+ return;
+ }
+ }
+ }
+}
+
+static void print_snake_str(char *text, int16_t x, int16_t y)
+{
+ x = 6 * x;
+ y = 8 * (y+1) -3;
+ printf("Put string %s to (%d|%d)\n", text, x, y);
+ fb_gotoxy(x, y);
+ fb_putstr(text, framebuffer->width);
+}
+void movepos(char dim) {
+ setItem(pos.x, pos.y, SBODY);
+ switch (dim) {
+ case 'Y': pos.y++;break;
+ case 'y': pos.y--;break;
+ case 'X': pos.x++;break;
+ case 'x': pos.x--;break;
+ }
+ switch (dim) {
+ case 'Y': case 'y':
+ if (pos.y == -1) pos.y = HEIGHT -1;
+ else if (pos.y == HEIGHT) pos.y = 0;
+ increaseBodyAge();
+ break;
+ case 'X': case 'x':
+ if (pos.x == -1) pos.x = WIDTH -1;
+ else if (pos.x == WIDTH) pos.x = 0;
+ increaseBodyAge();
+ break;
+ }
+ setItem(pos.x, pos.y, HEAD);
+ printField();
+}
+
+void increaseBodyAge() {
+ int y, x;
+ lenght = SBODY + STDLEN + score;
+ for (x = 0; x < WIDTH; x++) {
+ for (y = 0; y < HEIGHT; y++) {
+ if (field[x][y] >= lenght) field[x][y] = BLANK;
+ else if (field[x][y] >= SBODY) field[x][y]++;
+ }
+ }
+}
+
+void setItem(int x, int y, int item) {
+ if (item == HEAD) {
+ switch (field[x][y]) {
+ case FOOD: score++; setFood(); item = HEAD_FOOD; break;
+ case BLANK: break;
+ default: err = SNAKE_COL;
+ }
+ }
+ field[x][y] = item;
+}
+
+void resetField() {
+ /* system("clear"); */
+ printf("\033[H\033[2J");
+}
+
+void printField() {
+ fb_clear();
+ int x, y;
+ for (y = 0; y < HEIGHT; y++) {
+ for (x = 0; x < WIDTH; x++) {
+ switch (field[x][y]) {
+ case BLANK:break;
+ case HEAD: print_snake_str("O", x, y);break;
+ case HEAD_FOOD: print_snake_str("P", x,
y);break;
+ case FOOD: print_snake_str("#", x, y);break;
+ default:
+ if (field[x][y] == lenght)
print_snake_str(";", x, y);
+ else print_snake_str("o", x, y);
+ }
+ }
+
+ }
+ printf("Score: %d\n", score);
+ fb_gotoxy(0, framebuffer->height+-9);
+ fb_lineto(framebuffer->width-1, framebuffer->cursor_y);
+ fb_gotoxy(0, framebuffer->height-1);
+ char text[16];
+
