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Template replacement: Show warning if chain not compatible with any rail type

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See: #419
This commit is contained in:
Jonathan G Rennison
2022-09-07 20:01:33 +01:00
parent 764a67b168
commit da3b1b9c32
3 changed files with 17 additions and 2 deletions
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13
src/tbtr_template_gui_create.cpp
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@@ -308,13 +308,22 @@ public:
int y = ScaleGUITrad(4) - this->vscroll->GetPosition();
bool buildable = true;
Money buy_cost = 0;
RailTypes types = static_cast<RailTypes>(UINT64_MAX);
for (Train *train = this->virtual_train; train != nullptr; train = train->GetNextUnit()) {
if (!IsEngineBuildable(train->engine_type, VEH_TRAIN, train->owner)) buildable = false;
buy_cost += Engine::Get(train->engine_type)->GetCost();
const Engine *e = Engine::Get(train->engine_type);
if (!IsEngineBuildable(train->engine_type, VEH_TRAIN, train->owner)) {
buildable = false;
} else {
types &= (GetRailTypeInfo(e->u.rail.railtype))->compatible_railtypes;
}
buy_cost += e->GetCost();
}
if (!buildable) {
DrawString(8, r.right, y, STR_TMPL_WARNING_VEH_UNAVAILABLE);
y += FONT_HEIGHT_NORMAL;
} else if (types == RAILTYPES_NONE) {
DrawString(8, r.right, y, STR_TMPL_WARNING_VEH_NO_COMPATIBLE_RAIL_TYPE);
y += FONT_HEIGHT_NORMAL;
}
SetDParam(0, STR_TMPL_TEMPLATE_OVR_VALUE_LTBLUE);