问题标题: mc(低级）

#include <iostream>
#include <vector>
#include <string>
#include <cmath>
#include <windows.h>
#include <conio.h>

using namespace std;

const int W = 40;
const int H = 20;
const int GROUND = 14;

const char AIR   = ' ';
const char GRASS = '#';
const char DIRT  = '.';
const char STONE = 'O';
const char WOOD  = 'T';
const char LEAF  = '*';

struct Game {
    vector<string> map;
    int px = 5, py = GROUND - 1;
    int facing = 1; // 1右 -1左
    int score = 0;
    bool running = true;

    void gen() {
        map.resize(H);
        for (int y = 0; y < H; ++y) {
            map[y].resize(W, AIR);
            for (int x = 0; x < W; ++x) {
                if (y > GROUND) map[y][x] = STONE;
                else if (y == GROUND) map[y][x] = GRASS;
                else if (y >= GROUND - 3) map[y][x] = DIRT;
            }
        }
        // 种树
        int tx = 20;
        for (int y = GROUND - 5; y <= GROUND - 1; ++y) map[y][tx] = WOOD;
        for (int y = GROUND - 7; y <= GROUND - 4; ++y)
            for (int dx = -2; dx <= 2; ++dx)
                if (tx + dx >= 0 && tx + dx < W) map[y][tx + dx] = LEAF;
    }

    void setColor(int c) {
        SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), c);
    }

    void draw() {
        system("cls");
        for (int y = 0; y < H; ++y) {
            for (int x = 0; x < W; ++x) {
                if (x == px && y == py) {
                    setColor(14); cout << '@'; continue;
                }
                char c = map[y][x];
                if (c == GRASS) { setColor(10); cout << '#'; }
                else if (c == DIRT) { setColor(6); cout << '.'; }
                else if (c == STONE) { setColor(8); cout << 'O'; }
                else if (c == WOOD) { setColor(4); cout << 'T'; }
                else if (c == LEAF) { setColor(2); cout << '*'; }
                else { setColor(7); cout << ' '; }
            }
            cout << '\n';
        }
        setColor(7);
        cout << "WASD移动 空格跳 Z挖 X放方块 Q退出 | 收集: " << score << endl;
    }

    bool solid(int x, int y) {
        if (x < 0 || x >= W || y < 0 || y >= H) return false;
        return map[y][x] != AIR;
    }

    void update(char k) {
        int nx = px, ny = py;

        if (k == 'a') { nx--; facing = -1; }
        if (k == 'd') { nx++; facing = 1; }
        if (k == 'w' && !solid(px, py - 1)) ny--;
        if (k == 's') ny++;

        // 重力
        while (!solid(nx, ny + 1) && ny + 1 < H) ny++;

        if (!solid(nx, ny)) { px = nx; py = ny; }

        // 挖
        if (k == 'z') {
            int fx = px + facing;
            if (solid(fx, py)) { map[py][fx] = AIR; score++; }
        }
        // 放
        if (k == 'x') {
            int fx = px + facing;
            if (!solid(fx, py)) map[py][fx] = GRASS;
        }
        if (k == 'q') running = false;
    }
};

int main() {
    Game g;
    g.gen();
    while (g.running) {
        g.draw();
        if (_kbhit()) {
            char k = _getch();
            g.update(k);
        }
        Sleep(30);
    }
    system("cls");
    cout << "游戏结束！你收集了 " << g.score << " 个方块！\n";
    return 0;
}