VBlock.cpp

#include <vector>
#include "VBlock.h"
#include "coordinate.h"

using namespace std;

VBlock::VBlock(int levelNum)
{
    // Set the block's position to its initial position as defined below
    // Vertical numbers: row number, Horizontal numbers: column number
    //   1 2 3
    // 1
    // 2
    // 3
    // 4 V   V
    // 5 V   V
    // 6   V

    blockParts_.push_back(shared_ptr<coordinate>(new coordinate(4, 1)));//block part 1, denoted as c1
    blockParts_.push_back(shared_ptr<coordinate>(new coordinate(5, 1)));//block part 2, denoted as c2
    blockParts_.push_back(shared_ptr<coordinate>(new coordinate(6, 2)));//block part 3, denoted as c3
    blockParts_.push_back(shared_ptr<coordinate>(new coordinate(5, 3)));//block part 4, denoted as c4
    blockParts_.push_back(shared_ptr<coordinate>(new coordinate(4, 3)));//block part 5, denoted as c5
    rotationState_ = 1;
    levelGenerated_ = levelNum;
}

char VBlock::getType() const{
    return 'V';
}

VBlock::~VBlock() {}

void VBlock::rotate(bool clockwise)
{
    // The four rotation states:
    // Calling rotate will move the block from its current state an adjacent state
    // If clockwise is true, the state numbers will increase
    // I.E. Clockwise rotations: State 1 -> State 2 -> State 3 -> State 4 -> State 1
    // Counterclockwise rotations: State 1 -> State 4 -> State 3 -> State 2 -> State 1
    // Vertical numbers: row number, Horizontal numbers: column number
    // The block's default position is used for this illustration
    // State 1     State 2    State 3      State 4
    //   1 2 3       1 2 3      1 2 3        1 2 3
    // 3           3          3            3   
    // 4 V   V     4   V V    4   V        4 V V
    // 5 V   V     5 V        5 V   V      5     V
    // 6   V       6   V V    6 V   V      6 V V

    // Rotatation states with specific block parts (see constructor):
    // State 1      State 2       State 3      State 4
    //   1  2  3       1  2  3      1  2  3      1  2  3
    // 3            3             3            3   
    // 4 c1    c5   4    c2 c1    4    c3      4 c5 c4
    // 5 c2    c4   5 c3          5 c4    c2   5       c3
    // 6    c3      6    c4 c5    6 c5    c1   6 c1 c2

    if(rotationState_ == 1 && clockwise)//state 1 -> state 2
    {
        blockParts_[0]->shiftCol(2);
        blockParts_[1]->shiftRow(-1);
        blockParts_[1]->shiftCol(1);
        blockParts_[2]->shiftRow(-1);
        blockParts_[2]->shiftCol(-1);
        blockParts_[3]->shiftRow(1);
        blockParts_[3]->shiftCol(-1);
        blockParts_[4]->shiftRow(2);
    }
    else if(rotationState_ == 2 && clockwise)//state 2 -> state 3
    {
        blockParts_[0]->shiftRow(2);
        blockParts_[1]->shiftRow(1);
        blockParts_[1]->shiftCol(1);
        blockParts_[2]->shiftRow(-1);
        blockParts_[2]->shiftCol(1);
        blockParts_[3]->shiftRow(-1);
        blockParts_[3]->shiftCol(-1);
        blockParts_[4]->shiftCol(-2);
    }
    else if(rotationState_ == 3 && clockwise)//state 3 -> state 4
    {
        blockParts_[0]->shiftCol(-2);
        blockParts_[1]->shiftRow(1);
        blockParts_[1]->shiftCol(-1);
        blockParts_[2]->shiftRow(1);
        blockParts_[2]->shiftCol(1);
        blockParts_[3]->shiftRow(-1);
        blockParts_[3]->shiftCol(1);
        blockParts_[4]->shiftRow(-2);
    }
    else if(rotationState_ == 4 && clockwise)//state 4 -> state 1
    {
        blockParts_[0]->shiftRow(-2);
        blockParts_[1]->shiftRow(-1);
        blockParts_[1]->shiftCol(-1);
        blockParts_[2]->shiftRow(1);
        blockParts_[2]->shiftCol(-1);
        blockParts_[3]->shiftRow(1);
        blockParts_[3]->shiftCol(1);
        blockParts_[4]->shiftCol(2);
    }
    else if(rotationState_ == 1 && !clockwise)//state 1 -> state 4
    {
        blockParts_[0]->shiftRow(2);
        blockParts_[1]->shiftRow(1);
        blockParts_[1]->shiftCol(1);
        blockParts_[2]->shiftRow(-1);
        blockParts_[2]->shiftCol(1);
        blockParts_[3]->shiftRow(-1);
        blockParts_[3]->shiftCol(-1);
        blockParts_[4]->shiftCol(-2);
    }
    else if(rotationState_ == 2 && !clockwise)//state 2 -> state 1
    {
        blockParts_[0]->shiftCol(-2);
        blockParts_[1]->shiftRow(1);
        blockParts_[1]->shiftCol(-1);
        blockParts_[2]->shiftRow(1);
        blockParts_[2]->shiftCol(1);
        blockParts_[3]->shiftRow(-1);
        blockParts_[3]->shiftCol(1);
        blockParts_[4]->shiftRow(-2);
    }
    else if(rotationState_ == 3 && !clockwise)//state 3 -> state 2
    {
        blockParts_[0]->shiftRow(-2);
        blockParts_[1]->shiftRow(-1);
        blockParts_[1]->shiftCol(-1);
        blockParts_[2]->shiftRow(1);
        blockParts_[2]->shiftCol(-1);
        blockParts_[3]->shiftRow(1);
        blockParts_[3]->shiftCol(1);
        blockParts_[4]->shiftCol(2);
    }
    else//state 4 -> state 3
    {
        blockParts_[0]->shiftCol(2);
        blockParts_[1]->shiftRow(-1);
        blockParts_[1]->shiftCol(1);
        blockParts_[2]->shiftRow(-1);
        blockParts_[2]->shiftCol(-1);
        blockParts_[3]->shiftRow(1);
        blockParts_[3]->shiftCol(-1);
        blockParts_[4]->shiftRow(2);
    }
    changeStateFour(clockwise);
}

VBlockFactory::VBlockFactory() {}
shared_ptr<Block> VBlockFactory::createBlock(int levelNum)
{
	return shared_ptr<VBlock>(new VBlock(levelNum));
}