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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/>.
*/
#include "BlockPosition.hpp"
#include "Block.hpp"
#include "Well.hpp"
#include "boost/foreach.hpp"
namespace Bastet{
const DotMatrix BlockPosition::GetDots(BlockType b) const{
return _pos+((blocks[b].GetOrientationMatrix())[_orientation]);
}
void BlockPosition::Move(Movement m){
switch(m){
case RotateCW:
_orientation=_orientation.Next();
break;
case RotateCCW:
_orientation=_orientation.Prior();
break;
case Left:
_pos.x-=1;
break;
case Right:
_pos.x+=1;
break;
case Down:
_pos.y+=1;
break;
}
}
bool BlockPosition::MoveIfPossible(Movement m, BlockType b, const Well *w){
BlockPosition p(*this);
p.Move(m);
if (p.IsValid(b,w)){
*this=p;
return true;
}
else return false;
}
bool BlockPosition::IsValid(BlockType bt, const Well *w) const{
return w->Accomodates(GetDots(bt)); //XX: must change, unoptimized
}
void BlockPosition::Drop(BlockType bt, const Well *w){
while(MoveIfPossible(Down,bt,w));
}
bool BlockPosition::IsOutOfScreen(BlockType bt) const{
BOOST_FOREACH(const Dot &d, GetDots(bt)){
if(d.y>=0) return false;
}
return true;
}
}
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