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Client: fix failing assert on empty texture name
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@ -898,7 +898,9 @@ video::IImage* TextureSource::generateImage(std::string_view name,
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If this name is enclosed in parentheses, generate it
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and blit it onto the base image
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*/
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if (last_part_of_name[0] == paren_open
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if (last_part_of_name.empty()) {
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// keep baseimg == nullptr
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} else if (last_part_of_name[0] == paren_open
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&& last_part_of_name.back() == paren_close) {
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auto name2 = last_part_of_name.substr(1,
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last_part_of_name.size() - 2);
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