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Redraw connecting link graph overlay links when moving station sign

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Add test console command
This commit is contained in:
Jonathan G Rennison
2020-09-18 18:58:16 +01:00
parent a0f78a8071
commit 3b49f892fa
6 changed files with 104 additions and 2 deletions
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53
src/viewport.cpp
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@@ -259,7 +259,6 @@ struct ViewportDrawer {
Point foundation_offset[FOUNDATION_PART_END]; ///< Pixel offset for ground sprites on the foundations.
};
static void MarkViewportDirty(Viewport * const vp, int left, int top, int right, int bottom);
static void MarkRouteStepDirty(RouteStepsMap::const_iterator cit);
static void MarkRouteStepDirty(const TileIndex tile, uint order_nr);
@@ -3375,7 +3374,7 @@ void UpdateActiveScrollingViewport(Window *w)
* @param bottom Bottom edge of area to repaint
* @ingroup dirty
*/
static void MarkViewportDirty(Viewport * const vp, int left, int top, int right, int bottom)
void MarkViewportDirty(Viewport * const vp, int left, int top, int right, int bottom)
{
/* Rounding wrt. zoom-out level */
right += (1 << vp->zoom) - 1;
@@ -3479,6 +3478,22 @@ void MarkAllViewportMapsDirty(int left, int top, int right, int bottom)
}
}
/**
* Mark all viewport overlays for a specific station dirty (in need of repaint).
* @param st Station
* @ingroup dirty
*/
void MarkAllViewportOverlayStationLinksDirty(const Station *st)
{
Window *w;
FOR_ALL_WINDOWS_FROM_BACK(w) {
Viewport *vp = w->viewport;
if (vp != nullptr && vp->overlay != nullptr) {
vp->overlay->MarkStationViewportLinksDirty(st);
}
}
}
void ConstrainAllViewportsZoom()
{
Window *w;
@@ -3522,6 +3537,40 @@ void MarkTileGroundDirtyByTile(TileIndex tile, const ZoomLevel mark_dirty_if_zoo
MarkAllViewportsDirty(top.x - TILE_PIXELS * ZOOM_LVL_BASE, top.y - TILE_HEIGHT * ZOOM_LVL_BASE, top.x + TILE_PIXELS * ZOOM_LVL_BASE, bot.y);
}
void MarkViewportLineDirty(Viewport * const vp, const Point from_pt, const Point to_pt, const int block_radius)
{
int x1 = from_pt.x / block_radius;
int y1 = from_pt.y / block_radius;
const int x2 = to_pt.x / block_radius;
const int y2 = to_pt.y / block_radius;
/* http://en.wikipedia.org/wiki/Bresenham%27s_line_algorithm#Simplification */
const int dx = abs(x2 - x1);
const int dy = abs(y2 - y1);
const int sx = (x1 < x2) ? 1 : -1;
const int sy = (y1 < y2) ? 1 : -1;
int err = dx - dy;
for (;;) {
MarkViewportDirty(
vp,
(x1 - 2) * block_radius,
(y1 - 2) * block_radius,
(x1 + 2) * block_radius,
(y1 + 2) * block_radius
);
if (x1 == x2 && y1 == y2) break;
const int e2 = 2 * err;
if (e2 > -dy) {
err -= dy;
x1 += sx;
}
if (e2 < dx) {
err += dx;
y1 += sy;
}
}
}
void MarkTileLineDirty(const TileIndex from_tile, const TileIndex to_tile)
{
assert(from_tile != INVALID_TILE);