fix: drop multiplier calculation

Author: acrylic-style

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>com.github.Mori01231</groupId>
     <artifactId>MMLuck</artifactId>
-    <version>1.7.0+1.15.2</version>
+    <version>1.7.1+1.15.2</version>
     <packaging>jar</packaging>
 
     <name>MMLuck</name>
@@ -61,7 +61,7 @@
     <repositories>
         <repository>
             <id>papermc-repo</id>
-            <url>https://papermc.io/repo/repository/maven-public/</url>
+            <url>https://repo.papermc.io/repository/maven-public/</url>
         </repository>
         <repository>
             <id>sonatype</id>

src/main/java/com/github/mori01231/mmluck/GiveCommandExecutor.java

@@ -92,13 +92,13 @@ public boolean onCommand(@NotNull CommandSender sender, @NotNull Command command
         Rarity minimumRareMessageRarity = RarityAPIProvider.get().getRarityById(args.length == 4 ? "rare" : args[4]);
 
         // Calculate the odds the player will be getting the item
-        BigDecimal luckNumberD = new BigDecimal(luckNumber);
-        BigDecimal boostMultiD = new BigDecimal(boostMulti);
+        BigDecimal luckNumberD = BigDecimal.valueOf(luckNumber);
+        BigDecimal boostMultiD = BigDecimal.valueOf(boostMulti);
         double giveMultiplier = (100 + luckNumber) * boostMulti / 100; // multiplier in 0-100%
         // If the random number is lower than the chance of getting item, give item.
         boolean doDrop;
         try {
-            BigDecimal giveMultiplierD = luckNumberD.add(new BigDecimal(100)).multiply(boostMultiD).divide(new BigDecimal(100), RoundingMode.HALF_EVEN);
+            BigDecimal giveMultiplierD = luckNumberD.add(new BigDecimal(100)).multiply(boostMultiD).movePointLeft(2);
             BigDecimal giveOdds = giveMultiplierD.multiply(BigDecimal.valueOf(mmItemChance)); // odds in 0-100%
             String formattedValue = giveOdds.multiply(new BigDecimal(100)).stripTrailingZeros().toPlainString();
             String japanese = toFriendlyString(new BigDecimal(1).divide(giveOdds, RoundingMode.HALF_EVEN).toBigInteger()) + "分の1";