139 lines
3.6 KiB
C++
Executable File
139 lines
3.6 KiB
C++
Executable File
#include "field.h"
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/*
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Fields:
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std::vector<std::vector<int>> field;
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Private methods:
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std::vector<Tile> processLine(const std::vector<Tile> &sourceLine);
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std::vector<Tile> getRow(size_t idx);
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std::vector<Tile> getColumn(size_t idx);
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void setRow(size_t idx);
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void setColumn(size_t idx);
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Public methods:
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bool move(Direction direction);
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*/
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// PRIVATE
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Line Field::getRow(size_t rowIndex) const {
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return this->field[rowIndex];
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}
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Line Field::getColumn(size_t columnIndex) const {
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// from top to bottom
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Line column(this->FieldSize);
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for (size_t i = 0; i < this->FieldSize; ++i) {
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column[i] = this->field[i][columnIndex];
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}
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return column;
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}
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void Field::setRow(size_t rowIndex, const Line &line) {
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this->field[rowIndex] = line;
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}
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void Field::setColumn(size_t columnIndex, const Line &line) {
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// from top to bottom (same)
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for (size_t i = 0; i < this->FieldSize; ++i) {
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this->field[i][columnIndex] = line[i];
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}
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}
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void Field::reset() {
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this->field.resize(this->FieldSize);
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for (size_t i = 0; i < this->FieldSize; ++i) {
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this->field[i] = Line(this->FieldSize);
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}
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}
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// PUBLIC
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Field::Field(size_t fieldSize) : mt(std::random_device{}()), FieldSize(fieldSize) {
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this->reset();
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}
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void printVector(const Line &arr) {
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for (size_t i = 0; i < arr.size(); ++i) {
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printf("%llu ", arr[i]);
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}
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printf("\n");
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}
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bool Field::move(Direction direction) {
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auto oldField = this->field;
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Line column(this->FieldSize);
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Line row(this->FieldSize);
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switch (direction) {
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case Direction::up:
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for (size_t i = 0; i < this->FieldSize; ++i) {
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column = getColumn(i);
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column.process();
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setColumn(i, column);
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}
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break;
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case Direction::down:
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for (size_t i = 0; i < this->FieldSize; ++i) {
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column = getColumn(i);
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std::reverse(column.begin(), column.end());
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column.process();
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std::reverse(column.begin(), column.end());
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setColumn(i, column);
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}
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break;
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case Direction::left:
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for (size_t i = 0; i < this->FieldSize; ++i) {
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row = getRow(i);
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row.process();
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setRow(i, row);
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}
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break;
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case Direction::right:
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for (size_t i = 0; i < this->FieldSize; ++i) {
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row = getRow(i);
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std::reverse(row.begin(), row.end());
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row.process();
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std::reverse(row.begin(), row.end());
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setRow(i, row);
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}
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break;
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default:
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throw std::exception();
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}
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return this->field != oldField;
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}
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std::vector<Position> Field::getEmptyTiles() const {
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std::vector<Position> empty;
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for (size_t i = 0; i < this->FieldSize; ++i) {
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for (size_t j = 0; j < this->FieldSize; ++j) {
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if (this->field[i][j] == 0) {
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empty.push_back(Position(i, j));
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}
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}
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}
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return empty;
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}
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bool Field::spawnTile(const std::vector<Position> &empty) {
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if (!empty.empty()) {
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std::uniform_int_distribution<> dist(0, static_cast<int>(empty.size() - 1));
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std::uniform_int_distribution<> chance(1, 10);
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int choice = dist(this->mt);
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Position spawnPoint = empty[choice];
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this->field[spawnPoint.x][spawnPoint.y] = ((chance(this->mt) == 10) ? 4 : 2);
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return true;
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}
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return false;
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}
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void Field::debug() const {
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for (size_t i = 0; i < this->FieldSize; ++i) {
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for (size_t j = 0; j < this->FieldSize; ++j) {
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printf("%5llu ", this->field[i][j]);
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}
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printf("\n");
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}
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} |