deque<Board::ConstStackHandle>
Game::possibleDestinations(const Board::ConstStackHandle& ha) const
{
deque<Board::ConstStackHandle> r;
if (ha->hasPieces())
{
unsigned int h = ha->height();
Board::Coord s = ha.stackCoord();
Board::Coord d[6] = {
Board::Coord(s.x()-h,s.y()),
Board::Coord(s.x()+h,s.y()),
Board::Coord(s.x() ,s.y()-h),
Board::Coord(s.x() ,s.y()+h),
Board::Coord(s.x()-h,s.y()-h),
Board::Coord(s.x()+h,s.y()+h)
};
for (unsigned int i=0;i<6;++i)
{
if (Board::isValid(d[i]) &&
board_.stackAt(d[i])->hasPieces())
{
r.push_back(board_.stackAt(d[i]));
}
}
}
return r;
}
void
Drawer::drawStatus(const Board::ConstStackHandle& s,QGLViewer* v) const
{
startTexture();
glPushMatrix();
translateTo(s.stackCoord(),s->height()*pieceH+pieceH/2.0f);
glColor3f(1.0f,1.0f,0.0f);
v->renderText(0.5f*caseD,0.5f*caseD,0.0f,QString("%1").arg(s.stackStatus()));
glPopMatrix();
endTexture();
}
void
Drawer::drawTransparentPiece(Color col,
const Board::ConstStackHandle& c,float a) const
{
startTexture();
glPushMatrix();
translateTo(c.stackCoord(),c->height()*pieceH);
glTranslatef(0.5f*caseD,0.5f*caseD,0.0f);
drawPiece(col,a);
glPopMatrix();
endTexture();
}
bool
Game::isLegalMove(const Move m) const
{
if (Board::isValid(m.src) && Board::isValid(m.dst))
{
Board::ConstStackHandle srcH = board_.stackAt(m.src);
Board::ConstStackHandle dstH = board_.stackAt(m.dst);
// Test the src is free
return
srcH->onTop()->color() == colorOf(theOnePlaying()) &&
board_.isFree(srcH) &&
srcH->hasPieces() &&
dstH->hasPieces() &&
Board::areAligned(m.src,m.dst) &&
Board::distance(m.src,m.dst) == srcH->height();
}
return false;
}
void
Drawer::drawMove(const Board& b,const Game::Move m,float t) const
{
const float L = caseD*estimateDrawMoveLength(b,m);
const float t0 = (b.heightMax()+1-b.stackAt(m.src)->height())*pieceH/L;
const float t1 = 1.0f-(b.heightMax()+1-b.stackAt(m.dst)->height())*pieceH/L;
Board::ConstStackHandle src = b.stackAt(m.src);
glPushMatrix();
startTexture();
if (t<=t0)
{
t /= t0;
float srcH = src->height()*pieceH;
float dstH = b.heightMax()*pieceH+pieceH;
translateTo(m.src);
glTranslatef(0.5f*caseD,0.5f*caseD,
(1-t)*srcH+t*dstH);
for (Stack::const_iterator
iter = src->begin(),
istop= src->end();
iter != istop;++iter)
{
drawPiece((*iter)->color());
glTranslatef(0.0f,0.0f,pieceH);
}
}
else if (t<=t1)
{
t = (t-t0)/(t1-t0);
static const float shifts[5] = { 1.0f,0.5f,0.0f,-0.5f,-1.0f };
float srcX = boardB+vLabelW+m.src.x()*caseD+shifts[m.src.y()]*caseD;
float srcY = boardB+hLabelH+m.src.y()*caseD;
float dstX = boardB+vLabelW+m.dst.x()*caseD+shifts[m.dst.y()]*caseD;
float dstY = boardB+hLabelH+m.dst.y()*caseD;
glTranslatef((1.0f-t)*srcX+t*dstX+0.5f*caseD,
(1.0f-t)*srcY+t*dstY+0.5f*caseD,
b.heightMax()*pieceH+pieceH);
for (Stack::const_iterator
iter = src->begin(),
istop= src->end();
iter != istop;++iter)
{
drawPiece((*iter)->color());
glTranslatef(0.0f,0.0f,pieceH);
}
}
else
{
t = (t-t1)/(1.0f-t1);
float srcH = b.heightMax()*pieceH+pieceH;
float dstH = b.stackAt(m.dst)->height()*pieceH;
translateTo(m.dst);
glTranslatef(0.5f*caseD,0.5f*caseD,
(1-t)*srcH+t*dstH);
for (Stack::const_iterator
iter = src->begin(),
istop= src->end();
iter != istop;++iter)
{
drawPiece((*iter)->color());
glTranslatef(0.0f,0.0f,pieceH);
}
}
endTexture();
glPopMatrix();
}