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#include "piece.h"
#include<cstdlib>
Piece::Piece(int xpos){
int divisor = static_cast<int>(Piece::PieceType::L);
auto type = static_cast<Piece::PieceType>(rand() % divisor);
restartTo(type, xpos);
}
Piece::Piece(Piece::PieceType type, int xpos){
restartTo(type, xpos);
}
void Piece::initIterator(){
iterator = 0;
}
Point* Piece::nextAbsBlockPos(){
current_block_ = blocks[iterator++];
current_block_.x += position_.x;
current_block_.y += position_.y;
if( iterator > SIZE ){
iterator = 0;
return nullptr;
}
return ¤t_block_;
}
void Piece::rotate(){
int tmp;
// FLIP
for( int i = 0; i < SIZE; i++ ){
tmp = blocks[i].y;
blocks[i].y = blocks[i].x;
blocks[i].x = tmp;
}
// MIRROR
for( int i = 0; i < SIZE; i++ ){
blocks[i].x = blocks[i].x * (-1) + (SIZE-1);
}
}
void Piece::advance(){
position_.y++;
}
void Piece::move_left(){
position_.x--;
}
void Piece::move_right(){
position_.x++;
}
void Piece::restartTo(PieceType type, int xpos){
switch (type){
case PieceType::LINE:
blocks[0] = { 1, 0 };
blocks[1] = { 1, 1 };
blocks[2] = { 1, 2 };
blocks[3] = { 1, 3 };
break;
case PieceType::BLOCK:
blocks[0] = { 1, 1 };
blocks[1] = { 1, 2 };
blocks[2] = { 2, 1 };
blocks[3] = { 2, 2 };
break;
case PieceType::S:
blocks[0] = { 1, 0 };
blocks[1] = { 1, 1 };
blocks[2] = { 2, 1 };
blocks[3] = { 2, 2 };
break;
case PieceType::T:
blocks[0] = { 1, 0 };
blocks[1] = { 1, 1 };
blocks[2] = { 1, 2 };
blocks[3] = { 2, 1 };
break;
case PieceType::L:
blocks[0] = { 1, 0 };
blocks[1] = { 1, 1 };
blocks[2] = { 1, 2 };
blocks[3] = { 2, 2 };
break;
}
position_ = {xpos, 0};
}
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