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Strip leading colon from LBM names

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This commit is contained in:
sfan5 2025-03-18 20:36:18 +01:00
parent 71cd25a798
commit 3dca2cd26a
2 changed files with 36 additions and 25 deletions
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58
src/serverenvironment.cpp
View file

@ -129,7 +129,11 @@ void LBMManager::addLBMDef(LoadingBlockModifierDef *lbm_def)
FATAL_ERROR_IF(m_query_mode,
"attempted to modify LBMManager in query mode");
if (!string_allowed(lbm_def->name, LBM_NAME_ALLOWED_CHARS)) {
if (str_starts_with(lbm_def->name, ":"))
lbm_def->name.erase(0, 1);
if (lbm_def->name.empty() ||
!string_allowed(lbm_def->name, LBM_NAME_ALLOWED_CHARS)) {
throw ModError("Error adding LBM \"" + lbm_def->name +
"\": Does not follow naming conventions: "
"Only characters [a-z0-9_:] are allowed.");
@ -143,30 +147,7 @@ void LBMManager::loadIntroductionTimes(const std::string &times,
{
m_query_mode = true;
// name -> time map.
// Storing it in a map first instead of
// handling the stuff directly in the loop
// removes all duplicate entries.
std::unordered_map<std::string, u32> introduction_times;
/*
The introduction times string consists of name~time entries,
with each entry terminated by a semicolon. The time is decimal.
*/
size_t idx = 0;
size_t idx_new;
while ((idx_new = times.find(';', idx)) != std::string::npos) {
std::string entry = times.substr(idx, idx_new - idx);
std::vector<std::string> components = str_split(entry, '~');
if (components.size() != 2)
throw SerializationError("Introduction times entry \""
+ entry + "\" requires exactly one '~'!");
const std::string &name = components[0];
u32 time = from_string<u32>(components[1]);
introduction_times[name] = time;
idx = idx_new + 1;
}
auto introduction_times = parseIntroductionTimesString(times);
// Put stuff from introduction_times into m_lbm_lookup
for (auto &it : introduction_times) {
@ -237,6 +218,33 @@ std::string LBMManager::createIntroductionTimesString()
return oss.str();
}
std::unordered_map<std::string, u32>
LBMManager::parseIntroductionTimesString(const std::string &times)
{
std::unordered_map<std::string, u32> ret;
size_t idx = 0;
size_t idx_new;
while ((idx_new = times.find(';', idx)) != std::string::npos) {
std::string entry = times.substr(idx, idx_new - idx);
idx = idx_new + 1;
std::vector<std::string> components = str_split(entry, '~');
if (components.size() != 2)
throw SerializationError("Introduction times entry \""
+ entry + "\" requires exactly one '~'!");
if (components[0].empty())
throw SerializationError("LBM name is empty");
std::string name = std::move(components[0]);
if (name.front() == ':') // old versions didn't strip this
name.erase(0, 1);
u32 time = from_string<u32>(components[1]);
ret[std::move(name)] = time;
}
return ret;
}
namespace {
struct LBMToRun {
std::unordered_set<v3s16> p; // node positions

3
src/serverenvironment.h
View file

@ -149,6 +149,9 @@ private:
// The key of the map is the LBM def's first introduction time.
lbm_lookup_map m_lbm_lookup;
static std::unordered_map<std::string, u32>
parseIntroductionTimesString(const std::string &times);
// Returns an iterator to the LBMs that were introduced
// after the given time. This is guaranteed to return
// valid values for everything