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#include "Tetromino.h"
#include <cstdlib>

Tetromino::Tetromino() {
    generateNext();
}

void Tetromino::generateNext() {
    int n = rand() % 7;
    int offset = rand() % 6;
    colorNum = 1 + rand() % 7;

    for (int i = 0; i < 4; i++) {
        a[i].y = figures[n][i] % 2;
        a[i].x = figures[n][i] / 2 + offset;
    }

    nextColorNum = 1 + rand() % 7;
    nextTemo = rand() % 7;
    for (int i = 0; i < 4; i++) {
        c[i].y = figures[nextTemo][i] % 2;
        c[i].x = figures[nextTemo][i] / 2;
    }
}

bool Tetromino::checkCollision(int field[23][10]) {
    for (int i = 0; i < 4; i++) {
        if (a[i].x < 0 || a[i].x >= 10 || a[i].y >= 23 || field[a[i].y][a[i].x]) {
            return false;
        }
    }
    return true;
}

void Tetromino::rotate() {
    Point p = a[1];
    for (int i = 0; i < 4; i++) {
        int x = a[i].y - p.y;
        int y = a[i].x - p.x;
        a[i].x = p.x - x;
        a[i].y = p.y + y;
    }
}

void Tetromino::move(int dx) {
    for (int i = 0; i < 4; i++) {
        b[i] = a[i];
        a[i].x += dx;
    }
}

void Tetromino::drop() {
    for (int i = 0; i < 4; i++) {
        b[i] = a[i];
        a[i].y += 1;
    }
}