Files
2048/source/field.cpp
T
2026-05-26 16:26:14 +03:00

140 lines
3.6 KiB
C++
Executable File

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