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Handle schematics with an invalid DataVersion

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This commit is contained in:
Octavia Togami 2020-07-13 12:19:26 -07:00
parent 98d97a7bfe
commit 38b9ac9b03
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GPG Key ID: CC364524D1983C99
1 changed files with 11 additions and 1 deletions
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12
worldedit-core/src/main/java/com/sk89q/worldedit/extent/clipboard/io/SpongeSchematicReader.java
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@ -101,6 +101,12 @@ public Clipboard read() throws IOException {
return readVersion1(schematicTag);
} else if (schematicVersion == 2) {
dataVersion = requireTag(schematic, "DataVersion", IntTag.class).getValue();
if (dataVersion < 0) {
log.warn("Schematic has an unknown data version ({}). Data may be incompatible.",
dataVersion);
// Do not DFU unknown data
dataVersion = liveDataVersion;
}
if (dataVersion > liveDataVersion) {
log.warn("Schematic was made in a newer Minecraft version ({} > {}). Data may be incompatible.",
dataVersion, liveDataVersion);
@ -129,7 +135,11 @@ public OptionalInt getDataVersion() {
if (schematicVersion == 1) {
return OptionalInt.of(Constants.DATA_VERSION_MC_1_13_2);
} else if (schematicVersion == 2) {
return OptionalInt.of(requireTag(schematic, "DataVersion", IntTag.class).getValue());
int dataVersion = requireTag(schematic, "DataVersion", IntTag.class).getValue();
if (dataVersion < 0) {
return OptionalInt.empty();
}
return OptionalInt.of(dataVersion);
}
return OptionalInt.empty();
} catch (IOException e) {