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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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5
src/tbtr_template_gui_main.cpp
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@@ -674,15 +674,20 @@ public:
}
bool buildable = true;
RailTypes types = static_cast<RailTypes>(UINT64_MAX);
for (const TemplateVehicle *u = v; u != nullptr; u = u->GetNextUnit()) {
if (!IsEngineBuildable(u->engine_type, VEH_TRAIN, u->owner)) {
buildable = false;
break;
} else {
types &= (GetRailTypeInfo(Engine::Get(u->engine_type)->u.rail.railtype))->compatible_railtypes;
}
}
/* Draw a notification string for chains that are not buildable */
if (!buildable) {
DrawString(left, right - ScaleGUITrad(24), y + ScaleGUITrad(2), STR_TMPL_WARNING_VEH_UNAVAILABLE, TC_RED, SA_CENTER);
} else if (types == RAILTYPES_NONE) {
DrawString(left, right - ScaleGUITrad(24), y + ScaleGUITrad(2), STR_TMPL_WARNING_VEH_NO_COMPATIBLE_RAIL_TYPE, TC_RED, SA_CENTER);
}
/* Draw the template's length in tile-units */