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@ -144,6 +144,8 @@ struct ViewportDrawer {
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Point foundation_offset[FOUNDATION_PART_END]; ///< Pixel offset for ground sprites on the foundations.
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};
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static void MarkViewportDirty(const ViewPort *vp, int left, int top, int right, int bottom);
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static ViewportDrawer _vd;
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TileHighlightData _thd;
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@ -1245,20 +1247,31 @@ void ViewportSign::UpdatePosition(int center, int top, StringID str)
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/**
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* Mark the sign dirty in all viewports.
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* @param maxzoom Maximum %ZoomLevel at which the text is visible.
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*
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* @ingroup dirty
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*/
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void ViewportSign::MarkDirty() const
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void ViewportSign::MarkDirty(ZoomLevel maxzoom) const
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{
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/* We use ZOOM_LVL_MAX here, as every viewport can have another zoom,
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* and there is no way for us to know which is the biggest. So make the
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* biggest area dirty, and we are safe for sure.
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* We also add 1 to make sure the whole thing is redrawn. */
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MarkAllViewportsDirty(
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this->center - ScaleByZoom(this->width_normal / 2 + 1, ZOOM_LVL_MAX),
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this->top - ScaleByZoom(1, ZOOM_LVL_MAX),
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this->center + ScaleByZoom(this->width_normal / 2 + 1, ZOOM_LVL_MAX),
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this->top + ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM + 1, ZOOM_LVL_MAX));
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Rect zoomlevels[ZOOM_LVL_COUNT];
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for (ZoomLevel zoom = ZOOM_LVL_BEGIN; zoom != ZOOM_LVL_END; zoom++) {
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/* FIXME: This doesn't switch to width_small when appropriate. */
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zoomlevels[zoom].left = this->center - ScaleByZoom(this->width_normal / 2 + 1, zoom);
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zoomlevels[zoom].top = this->top - ScaleByZoom(1, zoom);
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zoomlevels[zoom].right = this->center + ScaleByZoom(this->width_normal / 2 + 1, zoom);
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zoomlevels[zoom].bottom = this->top + ScaleByZoom(VPSM_TOP + FONT_HEIGHT_NORMAL + VPSM_BOTTOM + 1, zoom);
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}
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Window *w;
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FOR_ALL_WINDOWS_FROM_BACK(w) {
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ViewPort *vp = w->viewport;
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if (vp != NULL && vp->zoom <= maxzoom) {
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assert(vp->width != 0);
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Rect &zl = zoomlevels[vp->zoom];
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MarkViewportDirty(vp, zl.left, zl.top, zl.right, zl.bottom);
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}
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}
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}
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static void ViewportDrawTileSprites(const TileSpriteToDrawVector *tstdv)
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