bool MGMap::mouseScrollingUpdate(int x, int y)
{
if(m_MouseScrollingOngoing)
{
int setY = getScrollY() + m_MouseScrollingYClick - y;
int setX = getScrollX() + m_MouseScrollingXClick - x;
if(setY > getTopEdge())
{
setY = getTopEdge();
}
else if(setY < getWindowHeight() - getHeight() * getTileHeight() - getBottomEdge())
{
setY = getWindowHeight() - getHeight() * getTileHeight() - getBottomEdge();
}
if(setX > getLeftEdge())
{
setX = getLeftEdge();
}
else if(setX < getWindowWidth() - getWidth() * getTileWidth() - getRightEdge())
{
setX = getWindowWidth() - getWidth() * getTileWidth() - getRightEdge();
}
setScrollOffset(setX, setY);
}
return m_MouseScrollingOngoing;
}
int MGMap::getTileIndex(int clickX, int clickY)
{
MGFLOG_INFO("MGMap::getTileIndex(" << clickX << ", " << clickY << ")");
if( clickX > getLeftEdge() &&
clickX < (getWindowWidth() - getRightEdge()) &&
clickY > getTopEdge() &&
clickY < (getWindowHeight() - getBottomEdge()))
{
int x = (clickX - getScrollX()) / getTileWidth();
int y = (clickY - getScrollY()) / getTileHeight();
if(x < getWidth() && y < getHeight())
{
return y * getWidth() + x;
}
}
return -1; // Click outside of map
}
void AdvScrollArea::ensureVisibleX(int x) {
int cw = getScrollAreaWidth();
int cx = getScrollX();
if (x < cx) {setScrollX(x - cw);}
if (x > cx + cw) {setScrollX(x);}
}