void followCurrentDFCenter()
{
int32_t newviewx;
int32_t newviewy;
int32_t viewsizex;
int32_t viewsizey;
int32_t newviewz;
actualWindowSize(viewsizex,viewsizey);
Gui::getViewCoords(newviewx,newviewy,newviewz);
ssState.Position.x = newviewx + (viewsizex/2) - (ssState.Size.x / 2) + ssConfig.viewXoffset;
ssState.Position.y = newviewy + (viewsizey/2) - (ssState.Size.y / 2) + ssConfig.viewYoffset;
ssState.Position.z = newviewz + ssConfig.viewZoffset + 1;
}
void Overlay::ReadTileLocations()
{
fontx = df::global::init->font.small_font_dispx;
fonty = df::global::init->font.small_font_dispy;
actualWindowSize(width, height);
DFHack::DFSDL_Surface * dfsurf = (DFHack::DFSDL_Surface *) SDL_GetVideoSurface();
offsetx = fontx+((dfsurf->w) % fontx)/2;
offsety = fontx+((dfsurf->h) % fonty)/2;
if (!df::global::gamemode || *df::global::gamemode == game_mode::ADVENTURE)
{
//Adventure mode doesn't have a single-tile border around it.
offsetx = offsetx - fontx;
offsety = offsety - fonty;
}
ssState.ScreenW = fontx*width;
ssState.ScreenH = fonty*height;
}
void followCurrentDFWindow()
{
int32_t newviewx;
int32_t newviewy;
int32_t viewsizex;
int32_t viewsizey;
int32_t newviewz;
int32_t mapx, mapy, mapz;
// we take the rectangle you'd get if you scrolled the DF view closely around
// map edges with a pen pierced through the center,
// compute the scaling factor between this rectangle and the map bounds and then scale
// the coords with this scaling factor
/**
+---+
|W+-++----------+
+-+-+---------+ |
| | | |
| | inner | |
| | rect. | |
| | | |
| | | |--- map boundary
| +---------+ |
+-------------+ W - corrected view
*/
Maps::getSize((uint32_t &)mapx, (uint32_t &)mapy, (uint32_t &)mapz);
mapx *= 16;
mapy *= 16;
actualWindowSize(viewsizex,viewsizey);
float scalex = float (mapx) / float (mapx - viewsizex);
float scaley = float (mapy) / float (mapy - viewsizey);
Gui::getViewCoords(newviewx,newviewy,newviewz);
newviewx = newviewx + (viewsizex / 2) - mapx / 2;
newviewy = newviewy + (viewsizey / 2) - mapy / 2;
ssState.Position.x = float (newviewx) * scalex - (ssState.Size.x / 2) + ssConfig.viewXoffset + mapx / 2;
ssState.Position.y = float (newviewy) * scaley - (ssState.Size.y / 2) + ssConfig.viewYoffset + mapy / 2;
ssState.Position.z = newviewz + ssConfig.viewZoffset + 1;
}