tetris-cpp/block.cpp at main · nvarona/tetris-cpp · GitHub

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#include "block.h"
#include "position.h"

Block::Block(){
    cellSize = 30;
    rotationState = 0;
    colors = GetCellColors();
    rowOffset = 0;
    columnOffset = 0;
}

void Block::Draw(int offsetX, int offsetY){
    std::vector<Position> tiles = GetCellPositions();
    for (Position item : tiles){
        DrawRectangle(item.column * cellSize + offsetX, item.row * cellSize + offsetY, cellSize - 1, cellSize - 1, colors[id]);
        // En la version sin mostrar bloque de siguiente movimiento
        //DrawRectangle(item.column * cellSize + 11, item.row * cellSize + 11, cellSize - 1, cellSize - 1, colors[id]);
        // Para un interface sencillo no necesitamos sumar 10px
        //DrawRectangle(item.column * cellSize, item.row * cellSize, cellSize - 1, cellSize - 1, colors[id]);
    }
}

void Block::Move(int rows, int columns){
    rowOffset += rows;
    columnOffset += columns;
}

std::vector<Position> Block::GetCellPositions(){
    std::vector<Position> tiles = cells[rotationState];
    std::vector<Position> movedTiles;
    for (Position item : tiles){
        Position newPos = Position(item.row + rowOffset, item.column + columnOffset);
        movedTiles.push_back(newPos);
    }
    return movedTiles;
}

void Block::Rotate(){
    rotationState ++;
    if (rotationState == (int)cells.size()){
        rotationState = 0;
    }
}

void Block::UndoRotation(){
    rotationState--;
    if (rotationState == -1){
        rotationState = cells.size() - 1;
    }
}