197 lines
7.6 KiB
C
197 lines
7.6 KiB
C
#include "2048.h"
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#include <stdbool.h>
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#include <stdlib.h>
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#include <time.h>
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void game_add_block(Game *game) {
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bool is_full = true;
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for (int i = 0; i < game->field_size_x; i++) {
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for (int j = 0; j < game->field_size_y; j++) {
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if (game->field[i][j] == 0) {
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is_full = false;
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break;
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}
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}
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}
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if (is_full) {
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game->game_over = true;
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return;
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}
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size_t x, y;
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int value;
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do {
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x = rand() % game->field_size_x;
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y = rand() % game->field_size_y;
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value = (rand() % 2) + 1;
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} while (game->field[x][y] != 0);
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game->field[x][y] = value * 2;
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}
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Game game_init(size_t field_size_x, size_t field_size_y) {
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Game game;
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game.game_over = false;
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game.won = false;
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game.field_size_x = field_size_x;
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game.field_size_y = field_size_y;
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game.score = 0;
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game.field = malloc(sizeof(uint16_t *) * field_size_x);
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for (size_t i = 0; i < field_size_x; i++) {
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game.field[i] = calloc(field_size_y, sizeof(uint16_t) * field_size_y);
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}
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time_t t;
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srand((unsigned)time(&t));
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game_add_block(&game);
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return game;
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}
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void game_destroy(Game *game) {
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for (size_t i = 0; i < game->field_size_x; i++) {
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free(game->field[i]);
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}
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free(game->field);
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game->field = NULL;
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}
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void game_move(Game *game, Direction direction) {
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if (game->game_over || game->won) {
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return;
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}
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// the fuck?
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// I have few chained for loops that do a lot of similar stuff so I call them in a for loop for better clarity and readability
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for (int u = 0; u < max(game->field_size_x, game->field_size_y); u++) {
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for (int i = 0; i < max(game->field_size_x, game->field_size_y); i++) {
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uint16_t **field = game->field;
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// move everything on one side
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for (int j = 0; j < max(game->field_size_x, game->field_size_y); j++) {
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// the similar stuff
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int helper;
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switch (u) {
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case 0:
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case 2:
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default:
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switch (direction) {
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case Down:
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if (j >= game->field_size_y - 1)
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break;
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if (i >= game->field_size_x)
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break;
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if (field[i][j + 1] == 0) {
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field[i][j + 1] = field[i][j];
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field[i][j] = 0;
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}
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break;
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case Right:
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if (i >= game->field_size_y)
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break;
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if (j >= game->field_size_x - 1)
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break;
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if (field[j + 1][i] == 0) {
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field[j + 1][i] = field[j][i];
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field[j][i] = 0;
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}
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break;
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case Up:
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helper = game->field_size_y - j;
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if (helper >= game->field_size_y || helper <= 0)
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break;
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if (i >= game->field_size_x)
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break;
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if (field[i][helper - 1] == 0) {
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field[i][helper - 1] = field[i][helper];
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field[i][helper] = 0;
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}
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break;
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case Left:
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helper = game->field_size_x - i;
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if (helper >= game->field_size_x || helper <= 0)
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break;
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if (j >= game->field_size_y)
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break;
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if (field[helper - 1][j] == 0) {
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field[helper - 1][j] = field[helper][j];
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field[helper][j] = 0;
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}
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break;
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case NoDirection: // get rid of compiler warnings
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break;
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}
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break;
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case 1:
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switch (direction) {
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case Up:
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if (j >= game->field_size_y - 1)
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break;
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if (i >= game->field_size_x)
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break;
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if (field[i][j + 1] == field[i][j]) {
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field[i][j + 1] = field[i][j] * 2;
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game->score += field[i][j + 1];
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if (field[i][j + 1] == 2048) {
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game->won = true;
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}
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field[i][j] = 0;
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j++;
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}
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break;
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case Left:
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if (j >= game->field_size_y)
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break;
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if (i >= game->field_size_x - 1)
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break;
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if (field[i + 1][j] == field[i][j]) {
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field[i + 1][j] = field[i][j] * 2;
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game->score += field[i + 1][j];
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if (field[i + 1][j] == 2048) {
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game->won = true;
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}
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field[i][j] = 0;
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j++;
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}
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break;
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case Down:
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helper = game->field_size_y - j;
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if (helper >= game->field_size_y || helper <= 0)
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break;
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if (i >= game->field_size_x)
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break;
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if (field[i][helper - 1] == field[i][helper]) {
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field[i][helper - 1] = field[i][helper] * 2;
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game->score += field[i][helper - 1];
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if (field[i][helper - 1] == 2048) {
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game->won = true;
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}
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field[i][helper] = 0;
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j++;
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}
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break;
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case Right:
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helper = game->field_size_x - i;
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if (helper >= game->field_size_x || helper <= 0)
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break;
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if (j >= game->field_size_y)
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break;
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if (field[helper - 1][j] == field[helper][j]) {
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field[helper - 1][j] = field[helper][j] * 2;
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game->score += field[helper - 1][j];
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if (field[helper - 1][j] == 2048) {
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game->won = true;
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}
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field[helper][j] = 0;
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j++;
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}
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break;
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case NoDirection:
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break;
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}
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break;
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}
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}
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}
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}
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game_add_block(game);
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} |