mirror of
https://github.com/Ellpeck/NaturesAura.git
synced 2024-05-17 22:18:44 +02:00
313 lines
11 KiB
Java
313 lines
11 KiB
Java
package de.ellpeck.naturesaura.chunk;
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import com.google.common.collect.HashBasedTable;
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import com.google.common.collect.Table;
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import de.ellpeck.naturesaura.ModConfig;
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import de.ellpeck.naturesaura.api.NaturesAuraAPI;
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import de.ellpeck.naturesaura.api.aura.chunk.IAuraChunk;
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import de.ellpeck.naturesaura.api.aura.chunk.IDrainSpotEffect;
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import de.ellpeck.naturesaura.api.aura.chunk.IDrainSpotEffect.ActiveType;
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import de.ellpeck.naturesaura.api.aura.type.IAuraType;
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import de.ellpeck.naturesaura.api.misc.ILevelData;
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import de.ellpeck.naturesaura.misc.LevelData;
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import de.ellpeck.naturesaura.packet.PacketAuraChunk;
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import de.ellpeck.naturesaura.packet.PacketHandler;
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import net.minecraft.core.BlockPos;
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import net.minecraft.nbt.CompoundTag;
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import net.minecraft.nbt.ListTag;
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import net.minecraft.resources.ResourceLocation;
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import net.minecraft.util.Tuple;
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import net.minecraft.world.entity.player.Player;
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import net.minecraft.world.item.ItemStack;
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import net.minecraft.world.level.chunk.LevelChunk;
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import org.apache.commons.lang3.mutable.MutableInt;
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import org.apache.commons.lang3.mutable.MutableObject;
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import org.apache.commons.lang3.tuple.Pair;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.function.BiConsumer;
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public class AuraChunk implements IAuraChunk {
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private final Map<BlockPos, DrainSpot> drainSpots = new ConcurrentHashMap<>();
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private final Table<BlockPos, Integer, Pair<Integer, Integer>> auraAndSpotAmountCache = HashBasedTable.create();
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private final Table<BlockPos, Integer, Pair<BlockPos, Integer>[]> limitSpotCache = HashBasedTable.create();
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private final List<IDrainSpotEffect> effects = new ArrayList<>();
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private LevelChunk chunk;
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private IAuraType type;
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private boolean needsSync;
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@Override
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public void ensureInitialized(LevelChunk chunk) {
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// are we already initialized?
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if (this.chunk != null)
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return;
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this.chunk = chunk;
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this.type = IAuraType.forLevel(chunk.getLevel());
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for (var supplier : NaturesAuraAPI.DRAIN_SPOT_EFFECTS.values()) {
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var effect = supplier.get();
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if (effect.appliesHere(this.chunk, this, this.type))
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this.effects.add(effect);
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}
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}
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@Override
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public int drainAura(BlockPos pos, int amount, boolean aimForZero, boolean simulate) {
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if (amount <= 0)
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return 0;
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var spot = this.getActualDrainSpot(pos, !simulate);
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var curr = spot != null ? spot.intValue() : 0;
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if (curr < 0 && curr - amount > 0) // Underflow protection
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return this.drainAura(pos.above(), amount, aimForZero, simulate);
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if (aimForZero) {
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if (curr > 0 && curr - amount < 0)
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amount = curr;
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}
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if (!simulate) {
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spot.subtract(amount);
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if (spot.intValue() == 0)
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this.drainSpots.remove(pos);
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this.markDirty();
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}
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return amount;
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}
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@Override
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public int drainAura(BlockPos pos, int amount) {
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return this.drainAura(pos, amount, false, false);
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}
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@Override
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public int storeAura(BlockPos pos, int amount, boolean aimForZero, boolean simulate) {
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if (amount <= 0)
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return 0;
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var spot = this.getActualDrainSpot(pos, !simulate);
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var curr = spot != null ? spot.intValue() : 0;
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if (curr > 0 && curr + amount < 0) // Overflow protection
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return this.storeAura(pos.above(), amount, aimForZero, simulate);
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if (aimForZero) {
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if (curr < 0 && curr + amount > 0) {
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amount = -curr;
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}
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}
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if (!simulate) {
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spot.add(amount);
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if (spot.intValue() == 0)
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this.drainSpots.remove(pos);
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this.markDirty();
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}
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return amount;
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}
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@Override
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public int storeAura(BlockPos pos, int amount) {
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return this.storeAura(pos, amount, true, false);
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}
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@Override
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public DrainSpot getActualDrainSpot(BlockPos pos, boolean make) {
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var spot = this.drainSpots.get(pos);
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if (spot == null && make) {
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spot = new DrainSpot(pos, 0);
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this.addDrainSpot(spot);
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}
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return spot;
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}
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@Override
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public int getDrainSpot(BlockPos pos) {
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var spot = this.getActualDrainSpot(pos, false);
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return spot == null ? 0 : spot.intValue();
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}
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private void addDrainSpot(DrainSpot spot) {
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var expX = spot.pos.getX() >> 4;
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var expZ = spot.pos.getZ() >> 4;
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var myPos = this.chunk.getPos();
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if (expX != myPos.x || expZ != myPos.z)
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throw new IllegalArgumentException("Tried to add drain spot " + spot.pos + " to chunk at " + myPos.x + ", " + myPos.z + " when it should've been added to chunk at " + expX + ", " + expZ);
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this.drainSpots.put(spot.pos, spot);
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}
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public void setSpots(Collection<DrainSpot> spots) {
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this.drainSpots.clear();
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for (var spot : spots)
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this.addDrainSpot(spot);
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this.addOrRemoveAsActive();
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}
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@Override
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public IAuraType getType() {
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return this.type;
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}
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@Override
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public void markDirty() {
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this.chunk.setUnsaved(true);
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this.needsSync = true;
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this.auraAndSpotAmountCache.clear();
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this.limitSpotCache.clear();
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this.addOrRemoveAsActive();
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}
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public void update() {
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var level = this.chunk.getLevel();
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for (var spot : this.drainSpots.values()) {
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for (var effect : this.effects)
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effect.update(level, this.chunk, this, spot.pos, spot.intValue(), spot);
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// cause this spot to fizzle out if it's over the range limit
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if (spot.intValue() > 0 && spot.originalSpreadPos != null && !spot.originalSpreadPos.closerThan(spot.pos, ModConfig.instance.maxAuraSpreadRange.get()))
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this.drainAura(spot.pos, spot.intValue());
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}
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if (this.needsSync) {
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var pos = this.chunk.getPos();
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PacketHandler.sendToAllLoaded(level,
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new BlockPos(pos.x * 16, 0, pos.z * 16),
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this.makePacket());
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this.needsSync = false;
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}
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}
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public PacketAuraChunk makePacket() {
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var pos = this.chunk.getPos();
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return new PacketAuraChunk(pos.x, pos.z, this.drainSpots.values());
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}
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public void getSpots(BlockPos pos, int radius, BiConsumer<BlockPos, Integer> consumer) {
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for (var entry : this.drainSpots.entrySet()) {
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var drainPos = entry.getKey();
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if (drainPos.distSqr(pos) <= radius * radius) {
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consumer.accept(drainPos, entry.getValue().intValue());
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}
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}
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}
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public Pair<Integer, Integer> getAuraAndSpotAmount(BlockPos pos, int radius) {
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var ret = this.auraAndSpotAmountCache.get(pos, radius);
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if (ret == null) {
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var aura = new MutableInt();
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var spots = new MutableInt();
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this.getSpots(pos, radius, (p, i) -> {
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aura.add(i);
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spots.increment();
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});
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ret = Pair.of(aura.intValue(), spots.intValue());
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this.auraAndSpotAmountCache.put(pos, radius, ret);
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}
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return ret;
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}
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@SuppressWarnings("unchecked")
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public Pair<BlockPos, Integer>[] getLowestAndHighestSpots(BlockPos pos, int radius) {
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var ret = this.limitSpotCache.get(pos, radius);
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if (ret == null) {
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var lowestSpot = new MutableObject<BlockPos>();
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var highestSpot = new MutableObject<BlockPos>();
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var lowestAmount = new MutableInt(Integer.MAX_VALUE);
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var highestAmount = new MutableInt(Integer.MIN_VALUE);
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this.getSpots(pos, radius, (p, i) -> {
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if (i > highestAmount.intValue()) {
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highestAmount.setValue(i);
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highestSpot.setValue(p);
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}
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if (i < lowestAmount.intValue()) {
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lowestAmount.setValue(i);
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lowestSpot.setValue(p);
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}
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});
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ret = new Pair[]{
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Pair.of(lowestSpot.getValue(), lowestAmount.intValue()),
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Pair.of(highestSpot.getValue(), highestAmount.intValue())};
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this.limitSpotCache.put(pos, radius, ret);
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}
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return ret;
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}
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public void getActiveEffectIcons(Player player, Map<ResourceLocation, Tuple<ItemStack, Boolean>> icons) {
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for (var effect : this.effects) {
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var alreadyThere = icons.get(effect.getName());
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if (alreadyThere != null && alreadyThere.getB())
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continue;
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for (var entry : this.drainSpots.entrySet()) {
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var pos = entry.getKey();
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var amount = entry.getValue();
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var state = effect.isActiveHere(player, this.chunk, this, pos, amount.intValue());
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if (state == ActiveType.INACTIVE)
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continue;
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var stack = effect.getDisplayIcon();
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if (stack.isEmpty())
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continue;
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icons.put(effect.getName(), new Tuple<>(stack, state == ActiveType.INHIBITED));
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}
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}
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}
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@Override
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public CompoundTag serializeNBT() {
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var list = new ListTag();
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for (var spot : this.drainSpots.values())
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list.add(spot.serializeNBT());
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var compound = new CompoundTag();
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compound.put("drain_spots", list);
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return compound;
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}
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@Override
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public void deserializeNBT(CompoundTag compound) {
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this.drainSpots.clear();
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var list = compound.getList("drain_spots", 10);
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for (var base : list)
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this.addDrainSpot(new DrainSpot((CompoundTag) base));
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this.addOrRemoveAsActive();
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}
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private void addOrRemoveAsActive() {
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var chunkPos = this.chunk.getPos().toLong();
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var data = (LevelData) ILevelData.getLevelData(this.chunk.getLevel());
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if (!this.drainSpots.isEmpty()) {
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data.auraChunksWithSpots.put(chunkPos, this);
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} else {
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data.auraChunksWithSpots.remove(chunkPos);
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}
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}
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public static class DrainSpot extends MutableInt {
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public final BlockPos pos;
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public BlockPos originalSpreadPos;
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public DrainSpot(BlockPos pos, int value) {
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super(value);
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this.pos = pos;
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}
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public DrainSpot(CompoundTag tag) {
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this(BlockPos.of(tag.getLong("pos")), tag.getInt("amount"));
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if (tag.contains("original_spread_pos"))
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this.originalSpreadPos = BlockPos.of(tag.getLong("original_spread_pos"));
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}
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public CompoundTag serializeNBT() {
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var ret = new CompoundTag();
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ret.putLong("pos", this.pos.asLong());
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ret.putInt("amount", this.intValue());
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if (this.originalSpreadPos != null)
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ret.putLong("original_spread_pos", this.originalSpreadPos.asLong());
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return ret;
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}
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}
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}
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