package net.minecraft.world.entity.animal; import net.minecraft.core.BlockPos; import net.minecraft.server.level.ServerLevel; import net.minecraft.tags.FluidTags; import net.minecraft.util.RandomSource; import net.minecraft.world.entity.EntitySpawnReason; import net.minecraft.world.entity.EntityType; import net.minecraft.world.entity.PathfinderMob; import net.minecraft.world.level.Level; import net.minecraft.world.level.LevelAccessor; import net.minecraft.world.level.LevelReader; import net.minecraft.world.level.block.Blocks; import net.minecraft.world.level.pathfinder.PathType; public abstract class WaterAnimal extends PathfinderMob { public static final int AMBIENT_SOUND_INTERVAL = 120; protected WaterAnimal(EntityType entityType, Level level) { super(entityType, level); this.setPathfindingMalus(PathType.WATER, 0.0F); } @Override public boolean checkSpawnObstruction(LevelReader level) { return level.isUnobstructed(this); } @Override public int getAmbientSoundInterval() { return 120; } @Override protected int getBaseExperienceReward(ServerLevel level) { return 1 + this.random.nextInt(3); } protected void handleAirSupply(ServerLevel level, int airSupply) { if (this.isAlive() && !this.isInWater()) { this.setAirSupply(airSupply - 1); if (this.getAirSupply() == -20) { this.setAirSupply(0); this.hurtServer(level, this.damageSources().drown(), 2.0F); } } else { this.setAirSupply(300); } } @Override public void baseTick() { int i = this.getAirSupply(); super.baseTick(); if (this.level() instanceof ServerLevel serverLevel) { this.handleAirSupply(serverLevel, i); } } @Override public boolean isPushedByFluid() { return false; } @Override public boolean canBeLeashed() { return false; } public static boolean checkSurfaceWaterAnimalSpawnRules( EntityType entityType, LevelAccessor level, EntitySpawnReason spawnReason, BlockPos pos, RandomSource random ) { int i = level.getSeaLevel(); int j = i - 13; return pos.getY() >= j && pos.getY() <= i && level.getFluidState(pos.below()).is(FluidTags.WATER) && level.getBlockState(pos.above()).is(Blocks.WATER); } }