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@ -264,6 +264,18 @@ std::vector<DrawnPathRouteTileLine> _vp_route_paths_last_mark_dirty;
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static void MarkRoutePathsDirty(const std::vector<DrawnPathRouteTileLine> &lines);
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struct ViewportStationSignCacheEntry {
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int32 top; ///< The top of the sign
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int32 left; ///< The left bound of the sign
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int32 right; ///< The right bound of the sign
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StationID id; ///< Station ID
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};
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static byte _viewport_station_sign_cache_display_mode = 0;
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static const byte VIEWPORT_STATION_SIGN_CACHE_DISPLAY_MODE_MASK = ((1 << DO_SHOW_STATION_NAMES) | (1 << DO_SHOW_WAYPOINT_NAMES) | (1 << DO_SHOW_COMPETITOR_SIGNS));
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static OwnerByte _viewport_station_sign_cache_local_company { INVALID_OWNER };
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static std::vector<ViewportStationSignCacheEntry> _viewport_station_sign_cache;
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TileHighlightData _thd;
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static TileInfo *_cur_ti;
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bool _draw_bounding_boxes = false;
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@ -1391,6 +1403,26 @@ struct ViewportAddStringApproxBoundsChecker {
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}
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};
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struct ViewportStationSignCacheApproxBoundsChecker {
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int top;
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int bottom;
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int left;
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int right;
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ViewportStationSignCacheApproxBoundsChecker(const DrawPixelInfo *dpi)
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{
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this->top = dpi->top - ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM, dpi->zoom);
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this->bottom = dpi->top + dpi->height;
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this->left = dpi->left;
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this->right = dpi->left + dpi->width;
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}
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bool IsStationSignCacheEntryMaybeOnScreen(const ViewportStationSignCacheEntry *sign) const
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{
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return !(this->bottom < sign->top || this->top > sign->top || this->right < sign->left || this->left > sign->right);
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}
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};
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static void ViewportAddTownNames(DrawPixelInfo *dpi)
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{
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if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES) || _game_mode == GM_MENU) return;
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@ -1406,12 +1438,18 @@ static void ViewportAddTownNames(DrawPixelInfo *dpi)
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}
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}
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static void ViewportAddStationNames(DrawPixelInfo *dpi)
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void ViewportClearStationSignCache()
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{
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if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || _game_mode == GM_MENU) return;
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_viewport_station_sign_cache.clear();
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_viewport_station_sign_cache_display_mode = 0;
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_viewport_station_sign_cache_local_company = INVALID_OWNER;
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}
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ViewportAddStringApproxBoundsChecker checker(dpi);
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void ViewportFillStationSignCache()
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{
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_viewport_station_sign_cache.clear();
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_viewport_station_sign_cache_display_mode = _display_opt & VIEWPORT_STATION_SIGN_CACHE_DISPLAY_MODE_MASK;
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_viewport_station_sign_cache_local_company = _local_company;
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const BaseStation *st;
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FOR_ALL_BASE_STATIONS(st) {
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@ -1424,7 +1462,27 @@ static void ViewportAddStationNames(DrawPixelInfo *dpi)
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/* Don't draw if station is owned by another company and competitor station names are hidden. Stations owned by none are never ignored. */
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if (!HasBit(_display_opt, DO_SHOW_COMPETITOR_SIGNS) && _local_company != st->owner && st->owner != OWNER_NONE) continue;
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if (!checker.IsSignMaybeOnScreen(&st->sign)) continue;
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int sign_half_width = max(ScaleByZoom(st->sign.width_normal, ZOOM_LVL_OUT_8X), ScaleByZoom(st->sign.width_small, ZOOM_LVL_DRAW_SPR)) / 2;
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_viewport_station_sign_cache.push_back({ st->sign.top, st->sign.center - sign_half_width, st->sign.center + sign_half_width, st->index });
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}
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}
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static void ViewportAddStationNames(DrawPixelInfo *dpi)
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{
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if (!(HasBit(_display_opt, DO_SHOW_STATION_NAMES) || HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES)) || _game_mode == GM_MENU) return;
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if (_viewport_station_sign_cache_display_mode != (_display_opt & VIEWPORT_STATION_SIGN_CACHE_DISPLAY_MODE_MASK) || _viewport_station_sign_cache_local_company != _local_company) {
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ViewportFillStationSignCache();
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}
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ViewportStationSignCacheApproxBoundsChecker checker(dpi);
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for (const ViewportStationSignCacheEntry &entry : _viewport_station_sign_cache) {
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if (!checker.IsStationSignCacheEntryMaybeOnScreen(&entry)) continue;
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const BaseStation *st = BaseStation::Get(entry.id);
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bool is_station = Station::IsExpected(st);
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ViewportAddString(dpi, ZOOM_LVL_OUT_16X, &st->sign,
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is_station ? STR_VIEWPORT_STATION : STR_VIEWPORT_WAYPOINT,
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