SteamWar/Paper
10
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Improve cancelling PreCreatureSpawnEvent with per player mob spawns (#9400)

Browse Source
This commit is contained in:
Jake Potrebic
2023-08-21 00:44:47 -07:00
parent 183462c9f0
commit 1b4291893f
4 changed files with 125 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
patches/server/PreCreatureSpawnEvent.patch
View File

@@ -138,11 +138,11 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
- if (NaturalSpawner.isValidSpawnPostitionForType(world, group, structuremanager, chunkgenerator, biomesettingsmobs_c, blockposition_mutableblockposition, d2) && checker.test(biomesettingsmobs_c.type, blockposition_mutableblockposition, chunk)) {
+ // Paper start
+ Boolean doSpawning = isValidSpawnPostitionForType(world, group, structuremanager, chunkgenerator, biomesettingsmobs_c, blockposition_mutableblockposition, d2);
+ if (doSpawning == null) {
+ PreSpawnStatus doSpawning = isValidSpawnPostitionForType(world, group, structuremanager, chunkgenerator, biomesettingsmobs_c, blockposition_mutableblockposition, d2);
+ if (doSpawning == PreSpawnStatus.ABORT) {
+ return;
+ }
+ if (doSpawning && checker.test(biomesettingsmobs_c.type, blockposition_mutableblockposition, chunk)) {
+ if (doSpawning == PreSpawnStatus.SUCCESS && checker.test(biomesettingsmobs_c.type, blockposition_mutableblockposition, chunk)) {
+ // Paper end
Mob entityinsentient = NaturalSpawner.getMobForSpawn(world, biomesettingsmobs_c.type);
@@ -152,7 +152,15 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
}
- private static boolean isValidSpawnPostitionForType(ServerLevel world, MobCategory group, StructureManager structureAccessor, ChunkGenerator chunkGenerator, MobSpawnSettings.SpawnerData spawnEntry, BlockPos.MutableBlockPos pos, double squaredDistance) {
+ private static Boolean isValidSpawnPostitionForType(ServerLevel world, MobCategory group, StructureManager structureAccessor, ChunkGenerator chunkGenerator, MobSpawnSettings.SpawnerData spawnEntry, BlockPos.MutableBlockPos pos, double squaredDistance) { // Paper
+ // Paper start
+ private enum PreSpawnStatus {
+ FAIL,
+ SUCCESS,
+ CANCELLED,
+ ABORT
+ }
+ private static PreSpawnStatus isValidSpawnPostitionForType(ServerLevel world, MobCategory group, StructureManager structureAccessor, ChunkGenerator chunkGenerator, MobSpawnSettings.SpawnerData spawnEntry, BlockPos.MutableBlockPos pos, double squaredDistance) {
+ // Paper end
EntityType<?> entitytypes = spawnEntry.type;
+ // Paper start
@@ -165,12 +173,27 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ );
+ if (!event.callEvent()) {
+ if (event.shouldAbortSpawn()) {
+ return null;
+ return PreSpawnStatus.ABORT; // Paper
+ }
+ return false;
+ return PreSpawnStatus.CANCELLED; // Paper
+ }
+ }
+ // Paper end
if (entitytypes.getCategory() == MobCategory.MISC) {
return false;
- return false;
+ return PreSpawnStatus.FAIL; // Paper
} else if (!entitytypes.canSpawnFarFromPlayer() && squaredDistance > (double) (entitytypes.getCategory().getDespawnDistance() * entitytypes.getCategory().getDespawnDistance())) {
- return false;
+ return PreSpawnStatus.FAIL; // Paper
} else if (entitytypes.canSummon() && NaturalSpawner.canSpawnMobAt(world, structureAccessor, chunkGenerator, group, spawnEntry, pos)) {
SpawnPlacements.Type entitypositiontypes_surface = SpawnPlacements.getPlacementType(entitytypes);
- return !NaturalSpawner.isSpawnPositionOk(entitypositiontypes_surface, world, pos, entitytypes) ? false : (!SpawnPlacements.checkSpawnRules(entitytypes, world, MobSpawnType.NATURAL, pos, world.random) ? false : world.noCollision(entitytypes.getAABB((double) pos.getX() + 0.5D, (double) pos.getY(), (double) pos.getZ() + 0.5D)));
+ boolean isValid = !NaturalSpawner.isSpawnPositionOk(entitypositiontypes_surface, world, pos, entitytypes) ? false : (!SpawnPlacements.checkSpawnRules(entitytypes, world, MobSpawnType.NATURAL, pos, world.random) ? false : world.noCollision(entitytypes.getAABB((double) pos.getX() + 0.5D, (double) pos.getY(), (double) pos.getZ() + 0.5D))); // Paper
+ return isValid ? PreSpawnStatus.SUCCESS : PreSpawnStatus.FAIL; // Paper
} else {
- return false;
+ return PreSpawnStatus.FAIL; // Paper
}
}