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WorldUtil.java
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WorldUtil.java
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package de.melanx.skyblockbuilder.util;
import com.google.common.collect.Lists;
import com.mojang.brigadier.exceptions.CommandSyntaxException;
import com.mojang.brigadier.exceptions.SimpleCommandExceptionType;
import de.melanx.skyblockbuilder.ModBlockTags;
import de.melanx.skyblockbuilder.SkyblockBuilder;
import de.melanx.skyblockbuilder.config.SpawnSettings;
import de.melanx.skyblockbuilder.config.common.DimensionsConfig;
import de.melanx.skyblockbuilder.config.common.PermissionsConfig;
import de.melanx.skyblockbuilder.config.common.SpawnConfig;
import de.melanx.skyblockbuilder.config.common.TemplatesConfig;
import de.melanx.skyblockbuilder.data.Team;
import de.melanx.skyblockbuilder.world.chunkgenerators.SkyblockEndChunkGenerator;
import de.melanx.skyblockbuilder.world.chunkgenerators.SkyblockNoiseBasedChunkGenerator;
import net.minecraft.commands.CommandSourceStack;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.core.registries.Registries;
import net.minecraft.network.chat.Component;
import net.minecraft.resources.ResourceKey;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.server.MinecraftServer;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.server.level.ServerPlayer;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.block.Block;
import net.minecraft.world.level.levelgen.flat.FlatLayerInfo;
import net.minecraftforge.registries.ForgeRegistries;
import javax.annotation.Nullable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Random;
public class WorldUtil {
public static void teleportToIsland(ServerPlayer player, Team team) {
MinecraftServer server = player.getServer();
//noinspection ConstantConditions
ServerLevel level = getConfiguredLevel(server);
TemplatesConfig.Spawn spawn = validPosition(level, team);
player.teleportTo(level, spawn.pos().getX() + 0.5, spawn.pos().getY() + 0.2, spawn.pos().getZ() + 0.5, spawn.direction().getYRot(), 0);
player.setRespawnPosition(level.dimension(), spawn.pos(), spawn.direction().getYRot(), true, false);
if (PermissionsConfig.Teleports.noFallDamage) {
player.fallDistance = 0;
}
}
public static boolean isSkyblock(Level level) {
if (PermissionsConfig.forceSkyblockCheck) return true;
if (!(level instanceof ServerLevel)) return false;
MinecraftServer server = ((ServerLevel) level).getServer();
if (!DimensionsConfig.Overworld.Default) {
return server.overworld().getChunkSource().getGenerator() instanceof SkyblockNoiseBasedChunkGenerator;
}
if (!DimensionsConfig.Nether.Default) {
ServerLevel nether = server.getLevel(Level.NETHER);
return nether != null && nether.getChunkSource().getGenerator() instanceof SkyblockNoiseBasedChunkGenerator;
}
if (!DimensionsConfig.End.Default) {
ServerLevel end = server.getLevel(Level.END);
return end != null && end.getChunkSource().getGenerator() instanceof SkyblockEndChunkGenerator;
}
return false;
}
public static void checkSkyblock(CommandSourceStack source) throws CommandSyntaxException {
if (!isSkyblock(source.getServer().overworld())) {
throw new SimpleCommandExceptionType(Component.translatable("skyblockbuilder.error.no_skyblock")).create();
}
}
public static ServerLevel getConfiguredLevel(MinecraftServer server) {
ResourceLocation location = SpawnConfig.dimension.location();
ResourceKey<Level> worldKey = ResourceKey.create(Registries.DIMENSION, location);
ServerLevel configLevel = server.getLevel(worldKey);
if (configLevel == null) {
SkyblockBuilder.getLogger().warn("Configured dimension for spawn does not exist: " + location);
}
return configLevel != null ? configLevel : server.overworld();
}
private static TemplatesConfig.Spawn validPosition(ServerLevel level, Team team) {
List<TemplatesConfig.Spawn> spawns = new ArrayList<>(team.getPossibleSpawns());
Random random = new Random();
while (!spawns.isEmpty()) {
TemplatesConfig.Spawn spawn = spawns.get(random.nextInt(spawns.size()));
if (isValidSpawn(level, spawn.pos())) {
return spawn;
}
spawns.remove(spawn);
}
TemplatesConfig.Spawn spawn = team.getPossibleSpawns().stream().findAny().orElse(new TemplatesConfig.Spawn(team.getIsland().getCenter(), Directions.SOUTH));
return new TemplatesConfig.Spawn(PositionHelper.findPos(spawn.pos(), blockPos -> isValidSpawn(level, blockPos), SpawnConfig.radius), spawn.direction());
}
public static boolean isValidSpawn(Level level, BlockPos pos) {
return WorldUtil.isValidSpawn(level, pos, level.getMinBuildHeight(), level.getMaxBuildHeight());
}
public static boolean isValidSpawn(Level level, BlockPos pos, int bottom, int top) {
return pos.getY() >= bottom
&& pos.getY() <= top
&& (level.getBlockState(pos.below()).canOcclude() || level.getBlockState(pos.below()).is(ModBlockTags.ADDITIONAL_VALID_SPAWN))
&& !level.getBlockState(pos).canOcclude()
&& !level.getBlockState(pos.above()).canOcclude();
}
public static int calcSpawnHeight(Level level, int x, int z) {
int top = SpawnConfig.Height.range.top();
int bottom = SpawnConfig.Height.range.bottom();
int height;
switch (SpawnConfig.Height.spawnType) {
case RANGE_TOP, RANGE_BOTTOM -> {
BlockPos.MutableBlockPos spawn = new BlockPos.MutableBlockPos(x, top, z);
while (!WorldUtil.isValidSpawn(level, spawn, bottom, top)) {
if (spawn.getY() <= level.getMinBuildHeight()) {
if (SpawnConfig.Height.spawnType == SpawnSettings.Type.RANGE_TOP) {
spawn.setY(top);
} else {
spawn.setY(bottom);
}
break;
}
spawn.move(Direction.DOWN, 1);
}
height = spawn.getY() + SpawnConfig.Height.offset;
}
// SpawnSettings.Type.SET
default -> height = bottom;
}
return Math.max(level.getMinBuildHeight() + 1, height);
}
// [Vanilla copy] Get flat world info on servers
public static List<FlatLayerInfo> layersInfoFromString(String settings) {
if (settings == null) {
return Lists.newArrayList();
}
List<FlatLayerInfo> list = Lists.newArrayList();
String[] astring = settings.split(",");
int i = 0;
for (String s : astring) {
FlatLayerInfo flatlayerinfo = getLayerInfo(s, i);
if (flatlayerinfo == null) {
return Collections.emptyList();
}
list.add(flatlayerinfo);
i += flatlayerinfo.getHeight();
}
return list;
}
// [Vanilla copy]
@Nullable
private static FlatLayerInfo getLayerInfo(String setting, int currentLayers) {
String[] info = setting.split("\\*", 2);
int i;
if (info.length == 2) {
try {
i = Math.max(Integer.parseInt(info[0]), 0);
} catch (NumberFormatException numberformatexception) {
SkyblockBuilder.getLogger().error("Error while parsing surface settings string => {}", numberformatexception.getMessage());
return null;
}
} else {
i = 1;
}
int maxLayers = Math.min(currentLayers + i, 384);
int height = maxLayers - currentLayers;
String blockName = info[info.length - 1];
Block block;
try {
block = ForgeRegistries.BLOCKS.getValue(new ResourceLocation(blockName));
} catch (Exception exception) {
SkyblockBuilder.getLogger().error("Error while parsing surface settings string => {}", exception.getMessage());
return null;
}
if (block == null) {
SkyblockBuilder.getLogger().error("Error while parsing surface settings string => Unknown block, {}", blockName);
return null;
} else {
return new FlatLayerInfo(height, block);
}
}
public static int calculateHeightFromLayers(List<FlatLayerInfo> layerInfos) {
int i = 0;
for (FlatLayerInfo info : layerInfos) {
i += info.getHeight();
}
return i;
}
public enum Directions {
NORTH(180),
EAST(270),
SOUTH(0),
WEST(90);
private final int yRot;
Directions(int yaw) {
this.yRot = yaw;
}
public static Directions fromDirection(Direction direction) {
return switch (direction) {
case NORTH -> NORTH;
case EAST -> EAST;
case WEST -> WEST;
default -> SOUTH;
};
}
public int getYRot() {
return this.yRot;
}
}
}