finished conway
This commit is contained in:
Steffen Vogel
parent
c0d35383ad
commit
3147b711e9
2 changed files with 217 additions and 78 deletions
BIN
bin/conway
Executable file
BIN
bin/conway
Executable file
Binary file not shown.
295
src/conway.c
295
src/conway.c
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@ -1,36 +1,69 @@
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <curses.h>
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/* configuration */
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#define CELL_CHAR '#'
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#define CURSOR_CHAR 'X'
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#define WIDTH 80
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#define HEIGHT 24
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#define ESC 27
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#define FRAME_RATE 5
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#define FRAME_RATE 17
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void clear_screen() {
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printf("%c[2J", ESC);
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}
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/* start pattern */
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uint8_t start[3][3] = {
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{0, 1, 1},
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{1, 1, 0},
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{0, 1, 0}
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};
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void set_cursor(int row, int col) {
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printf("%c[%d;%dH", ESC, row, col);
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}
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uint8_t glider[3][3] = {
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{0, 1, 0},
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{0, 0, 1},
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{1, 1, 1}
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};
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void clean_world(uint8_t world[WIDTH][HEIGHT]) {
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size_t a, b;
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struct cursor {
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uint8_t x;
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uint8_t y;
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};
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for (a = 0; a < WIDTH; a++) {
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for (b = 0; b < HEIGHT; b++) {
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world[a][b] = 0;
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}
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void clean_world(uint8_t ** world, uint8_t width, uint8_t height) {
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int a;
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for (a = 0; a < width; a++) {
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memset(world[a], 0, height * sizeof(uint8_t));
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}
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}
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void inhabit_world(uint8_t pattern[3][3], size_t x, size_t y, uint8_t world[WIDTH][HEIGHT]) {
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size_t a, b;
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uint8_t ** create_world(uint8_t width, uint8_t height) {
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uint8_t ** world = malloc(width * sizeof(uint8_t *));
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int a;
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for (a = 0; a < width; a++) {
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world[a] = malloc(height * sizeof(uint8_t));
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if (world[a] == NULL) {
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endwin();
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fprintf(stderr, "Cant allocate memory!\n");
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exit(-1);
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}
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}
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clean_world(world, width, height);
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return world;
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}
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void destroy_world(uint8_t ** world, uint8_t width) {
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uint8_t a;
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for (a = 0; a < width; a++) {
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free(world[a]);
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}
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free(world);
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}
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void inhabit_world(uint8_t pattern[3][3], uint8_t x, uint8_t y, uint8_t ** world) {
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uint8_t a, b;
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for (a = 0; a < 3; a++) {
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for (b = 0; b < 3; b++) {
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@ -39,14 +72,31 @@ void inhabit_world(uint8_t pattern[3][3], size_t x, size_t y, uint8_t world[WIDT
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}
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}
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uint8_t calc_cell_neighbours(size_t x, size_t y, uint8_t world[WIDTH][HEIGHT]) {
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uint8_t calc_cell_count(uint8_t ** world, uint8_t width, uint8_t height) {
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int cell_count = 0;
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uint8_t a, b;
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for (a = 0; a < width; a++) {
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for (b = 0; b < height; b++) {
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cell_count += (world[a][b]) ? 1 : 0;
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}
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}
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return cell_count;
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}
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uint8_t calc_cell_neighbours(uint8_t x, uint8_t y, uint8_t ** world, uint8_t width, uint8_t height) {
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uint8_t neighbours = 0;
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int8_t a, b;
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int a, b;
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for (a = x-1; a <= x+1; a++) {
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for (b = y-1; b <= y+1; b++) {
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if (a >= 0 && b >= 0 && a != x && b != y && world[a][b] > 0) {
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neighbours++;
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if (a == x && b == y)
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continue;
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if (a >= 0 && b >= 0 &&
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a < width && b < height) {
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neighbours += (world[a][b] > 0) ? 1 : 0;
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}
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}
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}
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@ -54,84 +104,173 @@ uint8_t calc_cell_neighbours(size_t x, size_t y, uint8_t world[WIDTH][HEIGHT]) {
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return neighbours;
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}
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uint8_t calc_next_cell_gen(size_t x, size_t y, uint8_t world[WIDTH][HEIGHT]) {
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uint8_t neighbours = calc_cell_neighbours(x, y, world);
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uint8_t calc_next_cell_gen(uint8_t x, uint8_t y, uint8_t ** world, uint8_t width, uint8_t height) {
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fflush(stdout);
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uint8_t neighbours = calc_cell_neighbours(x, y, world, width, height);
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uint8_t alive = world[x][y];
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if (neighbours < 2) {
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return 0;
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if (alive) {
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if (neighbours > 3 || neighbours < 2) {
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return 0; /* died by over-/underpopulation */
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}
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else {
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return neighbours;
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}
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}
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else if (neighbours > 3) {
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return 0;
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}
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else if (neighbours == 2 || neighbours == 3) {
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return 1;
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else if (neighbours == 3) {
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return neighbours;
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}
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else {
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return -1;
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return 0;
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}
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}
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void calc_next_gen(uint8_t world[WIDTH][HEIGHT]) {
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uint8_t next_gen[WIDTH][HEIGHT];
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size_t x, y;
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void calc_next_gen(uint8_t ** world, uint8_t ** next_gen, uint8_t width, uint8_t height) {
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uint8_t x, y;
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clean_world(next_gen);
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for (x = 0; x < WIDTH; x++) {
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for (y = 0; y < HEIGHT; y++) {
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next_gen[x][y] = calc_next_cell_gen(x, y, world);
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for (x = 0; x < width; x++) {
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for (y = 0; y < height; y++) {
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next_gen[x][y] = calc_next_cell_gen(x, y, world, width, height);
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}
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}
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memcpy(world, next_gen, WIDTH*HEIGHT);
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}
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void print_world(uint8_t world[WIDTH][HEIGHT]) {
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size_t x, y;
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/* reset cursor */
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set_cursor(0, 0);
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for (y = 0; y < HEIGHT; y++) {
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for (x = 0; x < WIDTH; x++) {
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/*printf("%c", (world[x][y]) ? CELL_CHAR : ' ');*/
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printf("%d,", (world[x][y] != 0) ? (int) world[x][y] : ' ');
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/* copy world */
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for (x = 0; x < width; x++) {
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for (y = 0; y < height; y++) {
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world[x][y] = next_gen[x][y];
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}
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printf("\n"); /* new line */
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}
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for (y = 0; y < HEIGHT; y++) {
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printf("|");
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for (x = 0; x < WIDTH; x++) {
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printf("%c", (world[x][y]) ? CELL_CHAR : ' ');
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}
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printf("|\n"); /* new line */
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}
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}
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/* start pattern */
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uint8_t glider[3][3] = {
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{0, 1, 0},
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{0, 0, 1},
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{1, 1, 1}
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};
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void print_world(uint8_t ** world, uint8_t width, uint8_t height) {
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uint8_t x, y;
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move(0, 0); /* reset cursor */
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/* cells */
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for (y = 0; y < height; y++) {
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for (x = 0; x < width; x++) {
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printw("%c", (world[x][y] > 0) ? CELL_CHAR : ' ');
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}
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}
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}
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void print_cursor(uint8_t ** world, struct cursor cur) {
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uint8_t color = (world[cur.x][cur.y]
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move(cur.y, cur.x);
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attron(COLOR_PAIR(1));
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addch(CURSOR_CHAR);
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attroff(COLOR_PAIR(1));
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}
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WINDOW * init_screen() {
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WINDOW * win = initscr();
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noecho();
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timeout(0);
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keypad(win, 1);
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mousemask(BUTTON1_CLICKED, NULL);
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mouseinterval(200);
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curs_set(0);
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start_color();
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init_pair(1, COLOR_RED, COLOR_BLACK);
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init_pair(2, COLOR_GREEN, COLOR_BLACK);
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return win;
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}
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int main(int argc, char * argv[]) {
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uint8_t world[WIDTH][HEIGHT];
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int counter = 0;
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WINDOW * win = init_screen();
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MEVENT event;
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clean_world(world); /* initialize world */
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inhabit_world(glider, WIDTH/2, HEIGHT/2, world); /* inhabit world */
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clear_screen();
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print_world(world);
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struct cursor cur = {0, 0};
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int generation = 0;
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uint8_t width, height, paused = 1;
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uint8_t ** world, ** next_gen;
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getmaxyx(win, height, width);
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/* initialize world */
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world = create_world(width, height);
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next_gen = create_world(width, height);
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inhabit_world(start, width/2, height/2, world);
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/* simulation loop */
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while(0) {
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calc_next_gen(world);
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print_world(world);
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usleep((float) 1 / FRAME_RATE * 1000000); /* sleep */
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printf("frame: %d\n", counter++);
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while(1) {
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/* handle events */
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switch (getch()) {
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case 'q':
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endwin();
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exit(0);
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break;
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case 'p':
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paused ^= 1;
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break;
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case 'c':
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clean_world(world, width, height);
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break;
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case 'g':
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inhabit_world(glider, cur.x, cur.y, world);
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break;
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case ' ':
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world[cur.x][cur.y] = (world[cur.x][cur.y]) ? 0 : 1;
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break;
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case KEY_MOUSE:
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if (getmouse(&event) == OK && event.bstate & BUTTON1_CLICKED) {
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cur.x = event.x;
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cur.y = event.y;
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world[cur.x][cur.y] = (world[cur.x][cur.y]) ? 0 : 1;
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}
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break;
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case KEY_UP:
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if (cur.y > 0) {
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cur.y--;
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}
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break;
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case KEY_DOWN:
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if (cur.y < height-1) {
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cur.y++;
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}
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break;
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case KEY_LEFT:
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if (cur.x > 0) {
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cur.x--;
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}
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break;
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case KEY_RIGHT:
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if (cur.x < width-1) {
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cur.x++;
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}
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break;
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}
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if (!paused) {
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usleep((float) 1 / FRAME_RATE * 1000000); /* sleep */
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calc_next_gen(world, next_gen, width, height);
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generation++;
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}
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print_world(world, width, height);
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print_cursor(world, cur);
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attron(COLOR_PAIR(2));
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mvprintw(0, 0, "generation: %d\tcells: %d framerate: %d fps\twidth: %d\theight: %d cursor: (%d|%d)\n", generation, calc_cell_count(world, width, height), FRAME_RATE, width, height, cur.x, cur.y);
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if (paused) mvprintw(0, width-6, "PAUSED");
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attroff(COLOR_PAIR(2));
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refresh();
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}
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endwin();
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return 0;
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}
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