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made rails delete themselves if they don't have any waypoints to avoid crashes when trying to add rail points to an empty rail

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This commit is contained in:
Tim Nebel 2023-07-22 01:18:08 +02:00
commit 18f5c9d025
1 changed files with 17 additions and 4 deletions
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21
src/PropertiesWidget.cpp
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@ -159,10 +159,23 @@ void ImGuiDrawElem(Element* elem,std::string Id = ""){
i++;
}
if(ImGui::Button((ICON_FA_PLUS "##" + Id).c_str())) {
RailPoint rp = RailPoint(rail->Points.back());
rp.runtimeID = rand();
rail->Points.push_back(rp);
if(rail->Points.size() != 1) {
if (ImGui::Button((ICON_FA_PLUS "##" + Id).c_str())) {
RailPoint rp = RailPoint(rail->Points.back());
rp.runtimeID = rand();
rail->Points.push_back(rp);
}
}
if(rail->Points.empty()){
auto& map = GetMainWindow()->loadedMap;
std::erase_if(map.Rails,[&](const Rail& rail1){
return rail1.runtimeID == rail->runtimeID;
});
GetMainWindow()->selectedElem = nullptr;
}
ImGui::Unindent();
}