ViaVersion/api/src/main/java/us/myles/ViaVersion/api/data/Mappings.java

95 lines
3.5 KiB
Java

package us.myles.ViaVersion.api.data;
import com.google.gson.JsonArray;
import com.google.gson.JsonObject;
import org.jetbrains.annotations.Nullable;
import java.util.Arrays;
public class Mappings {
protected final short[] oldToNew;
public Mappings(short[] oldToNew) {
this.oldToNew = oldToNew;
}
/**
* Maps old identifiers to the new ones.
* If an old value cannot be found in the new mappings, the diffmapping will be checked for the given entry.
*
* @param size set size of the underlying short array
* @param oldMapping mappings to map from
* @param newMapping mappings to map to
* @param diffMapping extra mappings that will be used/scanned when an entry cannot be found
*/
public Mappings(int size, JsonObject oldMapping, JsonObject newMapping, @Nullable JsonObject diffMapping) {
oldToNew = new short[size];
Arrays.fill(oldToNew, (short) -1);
MappingDataLoader.mapIdentifiers(oldToNew, oldMapping, newMapping, diffMapping);
}
public Mappings(JsonObject oldMapping, JsonObject newMapping, @Nullable JsonObject diffMapping) {
this(oldMapping.entrySet().size(), oldMapping, newMapping, diffMapping);
}
/**
* Maps old identifiers to the new ones.
*
* @param size set size of the underlying short array
* @param oldMapping mappings to map from
* @param newMapping mappings to map to
*/
public Mappings(int size, JsonObject oldMapping, JsonObject newMapping) {
oldToNew = new short[size];
Arrays.fill(oldToNew, (short) -1);
MappingDataLoader.mapIdentifiers(oldToNew, oldMapping, newMapping);
}
public Mappings(JsonObject oldMapping, JsonObject newMapping) {
this(oldMapping.entrySet().size(), oldMapping, newMapping);
}
/**
* Maps old identifiers to the new ones.
*
* @param size set size of the underlying short array
* @param oldMapping mappings to map from
* @param newMapping mappings to map to
* @param diffMapping extra mappings that will be used/scanned when an entry cannot be found
* @param warnOnMissing should "No key for x" be printed if there is no matching identifier
*/
public Mappings(int size, JsonArray oldMapping, JsonArray newMapping, JsonObject diffMapping, boolean warnOnMissing) {
oldToNew = new short[size];
Arrays.fill(oldToNew, (short) -1);
MappingDataLoader.mapIdentifiers(oldToNew, oldMapping, newMapping, diffMapping, warnOnMissing);
}
public Mappings(int size, JsonArray oldMapping, JsonArray newMapping, boolean warnOnMissing) {
this(size, oldMapping, newMapping, null, warnOnMissing);
}
public Mappings(JsonArray oldMapping, JsonArray newMapping, boolean warnOnMissing) {
this(oldMapping.size(), oldMapping, newMapping, warnOnMissing);
}
public Mappings(int size, JsonArray oldMapping, JsonArray newMapping) {
this(size, oldMapping, newMapping, true);
}
public Mappings(JsonArray oldMapping, JsonArray newMapping, JsonObject diffMapping) {
this(oldMapping.size(), oldMapping, newMapping, diffMapping, true);
}
public Mappings(JsonArray oldMapping, JsonArray newMapping) {
this(oldMapping.size(), oldMapping, newMapping, true);
}
public int getNewId(int old) {
return old >= 0 && old < oldToNew.length ? oldToNew[old] : -1;
}
public short[] getOldToNew() {
return oldToNew;
}
}