133 lines
4.7 KiB
Java
133 lines
4.7 KiB
Java
package net.minecraft.world.level.block;
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import com.google.common.annotations.VisibleForTesting;
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import com.mojang.serialization.MapCodec;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.Direction;
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import net.minecraft.server.level.ServerLevel;
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import net.minecraft.sounds.SoundEvents;
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import net.minecraft.sounds.SoundSource;
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import net.minecraft.util.Mth;
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import net.minecraft.util.RandomSource;
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import net.minecraft.world.entity.Entity;
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import net.minecraft.world.entity.EntityType;
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import net.minecraft.world.entity.animal.frog.Tadpole;
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import net.minecraft.world.level.BlockGetter;
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import net.minecraft.world.level.Level;
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import net.minecraft.world.level.LevelAccessor;
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import net.minecraft.world.level.LevelReader;
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import net.minecraft.world.level.block.state.BlockBehaviour;
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import net.minecraft.world.level.block.state.BlockState;
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import net.minecraft.world.level.material.FluidState;
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import net.minecraft.world.level.material.Fluids;
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import net.minecraft.world.phys.shapes.CollisionContext;
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import net.minecraft.world.phys.shapes.VoxelShape;
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public class FrogspawnBlock extends Block {
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public static final MapCodec<FrogspawnBlock> CODEC = simpleCodec(FrogspawnBlock::new);
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private static final int MIN_TADPOLES_SPAWN = 2;
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private static final int MAX_TADPOLES_SPAWN = 5;
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private static final int DEFAULT_MIN_HATCH_TICK_DELAY = 3600;
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private static final int DEFAULT_MAX_HATCH_TICK_DELAY = 12000;
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protected static final VoxelShape SHAPE = Block.box(0.0, 0.0, 0.0, 16.0, 1.5, 16.0);
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private static int minHatchTickDelay = 3600;
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private static int maxHatchTickDelay = 12000;
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@Override
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public MapCodec<FrogspawnBlock> codec() {
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return CODEC;
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}
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public FrogspawnBlock(BlockBehaviour.Properties properties) {
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super(properties);
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}
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@Override
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protected VoxelShape getShape(BlockState state, BlockGetter level, BlockPos pos, CollisionContext context) {
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return SHAPE;
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}
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@Override
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protected boolean canSurvive(BlockState state, LevelReader level, BlockPos pos) {
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return mayPlaceOn(level, pos.below());
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}
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@Override
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protected void onPlace(BlockState state, Level level, BlockPos pos, BlockState oldState, boolean movedByPiston) {
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level.scheduleTick(pos, this, getFrogspawnHatchDelay(level.getRandom()));
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}
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private static int getFrogspawnHatchDelay(RandomSource random) {
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return random.nextInt(minHatchTickDelay, maxHatchTickDelay);
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}
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@Override
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protected BlockState updateShape(BlockState state, Direction direction, BlockState neighborState, LevelAccessor level, BlockPos pos, BlockPos neighborPos) {
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return !this.canSurvive(state, level, pos) ? Blocks.AIR.defaultBlockState() : super.updateShape(state, direction, neighborState, level, pos, neighborPos);
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}
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@Override
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protected void tick(BlockState state, ServerLevel level, BlockPos pos, RandomSource random) {
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if (!this.canSurvive(state, level, pos)) {
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this.destroyBlock(level, pos);
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} else {
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this.hatchFrogspawn(level, pos, random);
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}
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}
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@Override
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protected void entityInside(BlockState state, Level level, BlockPos pos, Entity entity) {
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if (entity.getType().equals(EntityType.FALLING_BLOCK)) {
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this.destroyBlock(level, pos);
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}
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}
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private static boolean mayPlaceOn(BlockGetter level, BlockPos pos) {
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FluidState fluidState = level.getFluidState(pos);
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FluidState fluidState2 = level.getFluidState(pos.above());
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return fluidState.getType() == Fluids.WATER && fluidState2.getType() == Fluids.EMPTY;
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}
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private void hatchFrogspawn(ServerLevel level, BlockPos pos, RandomSource random) {
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this.destroyBlock(level, pos);
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level.playSound(null, pos, SoundEvents.FROGSPAWN_HATCH, SoundSource.BLOCKS, 1.0F, 1.0F);
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this.spawnTadpoles(level, pos, random);
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}
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private void destroyBlock(Level level, BlockPos pos) {
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level.destroyBlock(pos, false);
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}
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private void spawnTadpoles(ServerLevel level, BlockPos pos, RandomSource random) {
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int i = random.nextInt(2, 6);
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for (int j = 1; j <= i; j++) {
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Tadpole tadpole = EntityType.TADPOLE.create(level);
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if (tadpole != null) {
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double d = pos.getX() + this.getRandomTadpolePositionOffset(random);
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double e = pos.getZ() + this.getRandomTadpolePositionOffset(random);
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int k = random.nextInt(1, 361);
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tadpole.moveTo(d, pos.getY() - 0.5, e, k, 0.0F);
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tadpole.setPersistenceRequired();
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level.addFreshEntity(tadpole);
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}
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}
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}
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private double getRandomTadpolePositionOffset(RandomSource random) {
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double d = 0.2F;
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return Mth.clamp(random.nextDouble(), 0.2F, 0.7999999970197678);
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}
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@VisibleForTesting
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public static void setHatchDelay(int minHatchDelay, int maxHatchDelay) {
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minHatchTickDelay = minHatchDelay;
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maxHatchTickDelay = maxHatchDelay;
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}
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@VisibleForTesting
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public static void setDefaultHatchDelay() {
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minHatchTickDelay = 3600;
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maxHatchTickDelay = 12000;
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}
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}
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