MC-302446: Fix respawn_radius

Author: PureGero

shreddedpaper-server/minecraft-patches/sources/net/minecraft/server/level/PlayerSpawnFinder.java.patch

@@ -9,6 +9,19 @@
  import net.minecraft.CrashReport;
  import net.minecraft.CrashReportCategory;
  import net.minecraft.ReportedException;
+@@ -70,9 +_,9 @@
+     private void scheduleNext() {
+         int i = this.nextCandidateIndex++;
+         if (i < this.candidateCount) {
+-            int i1 = (this.offset + this.coprime * i) % this.candidateCount;
+-            int i2 = i1 % (this.radius * 2 + 1);
+-            int i3 = i1 / (this.radius * 2 + 1);
++            long i1 = ((this.offset + this.coprime * i) % this.candidateCount) * ((this.radius * 2L + 1L) * (this.radius * 2L + 1L) / this.candidateCount); // ShreddedPaper - fix respawn_radius (MC-302446)
++            int i2 = (int) (i1 % (this.radius * 2L + 1L)); // ShreddedPaper - fix respawn_radius (MC-302446)
++            int i3 = (int) (i1 / (this.radius * 2L + 1L)); // ShreddedPaper - fix respawn_radius (MC-302446)
+             int i4 = this.spawnSuggestion.getX() + i2 - this.radius;
+             int i5 = this.spawnSuggestion.getZ() + i3 - this.radius;
+             this.scheduleCandidate(
 @@ -146,7 +_,7 @@
                          crashReportCategory.setDetail("Progress", () -> index + " out of " + this.candidateCount);
                          this.finishedFuture.completeExceptionally(new ReportedException(crashReport));