算法,俄罗斯方块

炮姐的88行代码,亮瞎了..有待研究

#include <windows.h>
#include <stdio.h>
#include <time.h>
#include <conio.h>
#include <stdlib.h>
char gcText[] = " 1LJTSZ#";
struct tetris {int _pool[16][32], (*pool)[32], tmap[8][4][16];int x, y, s, st, t;
}gt;void trsInit() {int sp[8][4] = {{15,4369},{23,785,116,547},{71,275,113,802},{39,305,114,562},{54,561},{99,306},{51,51},{-1}};int *p, i, j, b;for (p = sp[0]; *p >= 0; ++p) if ( *p == 0 ) *p = p[-2];gt.pool = &gt._pool[4];for (j = 0; j < 7; ++j)for (i = 0; i < 4; ++i)for (b = 0; b < 16; ++b)gt.tmap[j+1][i][b] = (sp[j][i] & 1) * (j + 1),sp[j][i] >>= 1;memset(gt._pool, -1, sizeof(gt._pool));for (i = 0; i < 10; ++i)memset(&gt.pool[i], 0, sizeof(int[21]));return ;
}int trsCopy(int sp[], int x, int y, int c) {int i, cx, cy;for (i = 0; i < 16; ++i) if (sp[i]) {cx = x + (i & 3), cy = y + (i >> 2);if (gt.pool[cx][cy])if (c == 2) gt.pool[cx][cy] = 0; else return 0;if (c==1) gt.pool[cx][cy] = sp[i];}return 1;
}int trsScene() {int x, y = 0;COORD pos = {0};gt.s = rand() % 7 + 1, gt.st = gt.t = 0;gt.x = 3, gt.y = 0;for (--gt.t; ; Sleep(1), --gt.t) {int k = 0;while (kbhit()) {k = getch();if (k == 27) return 0;if (k == 'A' || k == 'a') {if (trsCopy(gt.tmap[gt.s][gt.st], gt.x-1, gt.y, 0)) --gt.x;} else if (k == 'D' || k == 'd') {if (trsCopy(gt.tmap[gt.s][gt.st], gt.x+1, gt.y, 0)) ++gt.x;} else if (k == 'W' || k == 'w') {if (trsCopy(gt.tmap[gt.s][(gt.st+1) % 4], gt.x, gt.y, 0))gt.st = (gt.st+1) % 4;}}if (k == 'S' || k == 's' || gt.t < 0) {if (trsCopy(gt.tmap[gt.s][gt.st], gt.x, gt.y+1, 0))++gt.y,gt.t=50;else {trsCopy(gt.tmap[gt.s][gt.st], gt.x, gt.y, 1);for (--y; y > 0; --y) {for (x = 0; gt.pool[x][y] > 0; ++x);if (gt.pool[x][y] < 0)for (k = y++; k > 0; --k)for (x = 0; gt.pool[x][0] >= 0; ++x)gt.pool[x][k] = gt.pool[x][k-1];}return 1;}}trsCopy(gt.tmap[gt.s][gt.st], gt.x, gt.y, 1);SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), pos);for (y = 1; gt.pool[0][y] >= 0; ++y,putchar(10)) {for (x = 0; gt.pool[x][0] >= 0; ++x) {putchar(gcText[gt.pool[x][y]]);}}trsCopy(gt.tmap[gt.s][gt.st], gt.x, gt.y, 2);}
}int main() {srand((unsigned)time(NULL));for (trsInit(); trsScene(); );return 0;
}