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/*
Bastet - tetris clone with embedded bastard block chooser
(c) 2005-2009 Federico Poloni <f.polonithirtyseven@sns.it> minus 37
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef BLOCK_POSITION_HPP
#define BLOCK_POSITION_HPP
#include "Block.hpp"
namespace Bastet{
/** Block position = position (x,y) + orientation -- this is the object that gets evaluated by the block chooser
*/
class Well;
enum Movement {RotateCW,RotateCCW,Left,Right,Down};
class BlockPosition{
private:
Dot _pos;
Orientation _orientation;
public:
BlockPosition(Dot d=(Dot){3,-2}, Orientation o=Orientation()):_pos(d),_orientation(o){};
bool operator==(const BlockPosition &p) const{
return _pos==p._pos && _orientation==p._orientation;
}
///returns an y such that the block lies completely in [y,y+3]
int GetBaseY() const{return _pos.y;}
void Move(Movement m);
bool MoveIfPossible(Movement m, BlockType b, const Well *w);
void Drop(BlockType bt, const Well *w);
const DotMatrix GetDots(BlockType b) const;
bool IsValid(BlockType bt, const Well *w) const;
bool IsOutOfScreen(BlockType bt) const;
friend size_t hash_value(const BlockPosition &p){
return hash_value(p._pos)*4+int(p._orientation);
}
};
}
#endif //BLOCK_POSITION_HPP
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