NaturesAura/src/main/java/de/ellpeck/naturesaura/chunk/AuraChunk.java
2023-02-15 23:45:50 +01:00

282 lines
10 KiB
Java

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