/**
* Update the virtual coords needed to draw the waypoint sign.
*/
void Waypoint::UpdateVirtCoord()
{
Point pt = RemapCoords2(TileX(this->xy) * TILE_SIZE, TileY(this->xy) * TILE_SIZE);
SetDParam(0, this->index);
this->sign.UpdatePosition(pt.x, pt.y - 32 * ZOOM_LVL_BASE, STR_VIEWPORT_WAYPOINT);
/* Recenter viewport */
InvalidateWindowData(WC_WAYPOINT_VIEW, this->index);
}
virtual Point OnInitialPosition(int16 sm_width, int16 sm_height, int window_number)
{
/* Position (0, 0) given, center the window. */
if (this->position.x == 0 && this->position.y == 0) {
Point pt = {(_screen.width - sm_width) >> 1, (_screen.height - sm_height) >> 1};
return pt;
}
/* Find the free screen space between the main toolbar at the top, and the statusbar at the bottom.
* Add a fixed distance 20 to make it less cluttered.
*/
int scr_top = GetMainViewTop() + 20;
int scr_bot = GetMainViewBottom() - 20;
Point pt = RemapCoords2(this->position.x, this->position.y);
const ViewPort *vp = FindWindowById(WC_MAIN_WINDOW, 0)->viewport;
if (this->face == INVALID_COMPANY) {
/* move x pos to opposite corner */
pt.x = UnScaleByZoom(pt.x - vp->virtual_left, vp->zoom) + vp->left;
pt.x = (pt.x < (_screen.width >> 1)) ? _screen.width - sm_width - 20 : 20; // Stay 20 pixels away from the edge of the screen.
/* move y pos to opposite corner */
pt.y = UnScaleByZoom(pt.y - vp->virtual_top, vp->zoom) + vp->top;
pt.y = (pt.y < (_screen.height >> 1)) ? scr_bot - sm_height : scr_top;
} else {
pt.x = Clamp(UnScaleByZoom(pt.x - vp->virtual_left, vp->zoom) + vp->left - (sm_width / 2), 0, _screen.width - sm_width);
pt.y = Clamp(UnScaleByZoom(pt.y - vp->virtual_top, vp->zoom) + vp->top - (sm_height / 2), scr_top, scr_bot - sm_height);
}
return pt;
}
