package net.minecraft.util.datafix.fixes; import com.mojang.datafixers.DSL; import com.mojang.datafixers.DataFix; import com.mojang.datafixers.DataFixUtils; import com.mojang.datafixers.TypeRewriteRule; import com.mojang.datafixers.schemas.Schema; public class OptionsAddTextBackgroundFix extends DataFix { public OptionsAddTextBackgroundFix(Schema outputSchema, boolean changesType) { super(outputSchema, changesType); } @Override public TypeRewriteRule makeRule() { return this.fixTypeEverywhereTyped( "OptionsAddTextBackgroundFix", this.getInputSchema().getType(References.OPTIONS), typed -> typed.update( DSL.remainderFinder(), dynamic -> DataFixUtils.orElse( dynamic.get("chatOpacity").asString().map(string -> dynamic.set("textBackgroundOpacity", dynamic.createDouble(this.calculateBackground(string)))).result(), dynamic ) ) ); } private double calculateBackground(String oldBackground) { try { double d = 0.9 * Double.parseDouble(oldBackground) + 0.1; return d / 2.0; } catch (NumberFormatException var4) { return 0.5; } } }