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Feature: Vehicle add-ons can now group engines in purchase list.

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Grouped engines are collapsed by default but can be expanded. This allows
similar engines to be grouped together to avoid cluttering the list.

Suggested uses for this are e.g.:
* Liveries; same stats but different paint job.
* Re-gearing; engine design is mostly the same but different stats.

... but avoiding complex hidden cargo subtype refit systems.

Grouped engines are otherwise separate, so can be independently
autoreplaced, even between variants.
This commit is contained in:
Peter Nelson
2022-12-05 19:54:41 +00:00
committed by PeterN
parent 94167dfd34
commit 85814b29d4
3 changed files with 85 additions and 13 deletions
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21
src/autoreplace_gui.cpp
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@@ -125,6 +125,10 @@ class ReplaceVehicleWindow : public Window {
/* Add variants if not folded */
if ((item.flags & (EngineDisplayFlags::HasVariants | EngineDisplayFlags::IsFolded)) == EngineDisplayFlags::HasVariants) {
/* Add this engine again as a child */
if ((item.flags & EngineDisplayFlags::Shaded) == EngineDisplayFlags::None) {
target.emplace_back(item.engine_id, item.engine_id, EngineDisplayFlags::None, indent + 1);
}
AddChildren(source, target, item.engine_id, indent + 1, side);
}
}
@@ -617,7 +621,22 @@ public:
uint i = this->vscroll[click_side]->GetScrolledRowFromWidget(pt.y, this, widget);
size_t engine_count = this->engines[click_side].size();
EngineID e = engine_count > i ? this->engines[click_side][i].engine_id : INVALID_ENGINE;
EngineID e = INVALID_ENGINE;
if (i < engine_count) {
const auto &item = this->engines[click_side][i];
const Rect r = this->GetWidget<NWidgetBase>(widget)->GetCurrentRect().Shrink(WidgetDimensions::scaled.matrix).WithWidth(WidgetDimensions::scaled.hsep_indent * (item.indent + 1), _current_text_dir == TD_RTL);
if ((item.flags & EngineDisplayFlags::HasVariants) != EngineDisplayFlags::None && IsInsideMM(r.left, r.right, pt.x)) {
/* toggle folded flag on engine */
assert(item.variant_id != INVALID_ENGINE);
Engine *engine = Engine::Get(item.variant_id);
engine->display_flags ^= EngineDisplayFlags::IsFolded;
InvalidateWindowData(WC_REPLACE_VEHICLE, (VehicleType)this->window_number, 0); // Update the autoreplace window
InvalidateWindowClassesData(WC_BUILD_VEHICLE); // The build windows needs updating as well
return;
}
if ((item.flags & EngineDisplayFlags::Shaded) == EngineDisplayFlags::None) e = item.engine_id;
}
/* If Ctrl is pressed on the left side and we don't have any engines of the selected type, stop autoreplacing.
* This is most common when we have finished autoreplacing the engine and want to remove it from the list. */