MinecraftMods/BCLib
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Frank 2022-05-18 23:56:23 +02:00
parent cb9459f176
commit 3ee10482ab
721 changed files with 34873 additions and 33558 deletions
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src/main/java/org/betterx/bclib/util/StructureHelper.java Normal file
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package org.betterx.bclib.util;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Vec3i;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.nbt.NbtIo;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.util.RandomSource;
import net.minecraft.world.level.WorldGenLevel;
import net.minecraft.world.level.block.Mirror;
import net.minecraft.world.level.block.Rotation;
import net.minecraft.world.level.levelgen.structure.BoundingBox;
import net.minecraft.world.level.levelgen.structure.templatesystem.StructurePlaceSettings;
import net.minecraft.world.level.levelgen.structure.templatesystem.StructureTemplate;
import net.minecraft.world.phys.Vec3;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
public class StructureHelper {
public static StructureTemplate readStructure(ResourceLocation resource) {
String ns = resource.getNamespace();
String nm = resource.getPath();
return readStructure("/data/" + ns + "/structures/" + nm + ".nbt");
}
public static StructureTemplate readStructure(File datapack, String path) {
if (datapack.isDirectory()) {
return readStructure(datapack + "/" + path);
} else if (datapack.isFile() && datapack.getName().endsWith(".zip")) {
try {
ZipFile zipFile = new ZipFile(datapack);
Enumeration<? extends ZipEntry> entries = zipFile.entries();
while (entries.hasMoreElements()) {
ZipEntry entry = entries.nextElement();
String name = entry.getName();
long compressedSize = entry.getCompressedSize();
long normalSize = entry.getSize();
String type = entry.isDirectory() ? "DIR" : "FILE";
System.out.println(name);
System.out.format("\t %s - %d - %d\n", type, compressedSize, normalSize);
}
zipFile.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return null;
}
public static StructureTemplate readStructure(String path) {
try {
InputStream inputstream = StructureHelper.class.getResourceAsStream(path);
return readStructureFromStream(inputstream);
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
private static StructureTemplate readStructureFromStream(InputStream stream) throws IOException {
CompoundTag nbttagcompound = NbtIo.readCompressed(stream);
StructureTemplate template = new StructureTemplate();
template.load(nbttagcompound);
return template;
}
public static BlockPos offsetPos(BlockPos pos, StructureTemplate structure, Rotation rotation, Mirror mirror) {
Vec3 offset = StructureTemplate.transform(
Vec3.atCenterOf(structure.getSize()),
mirror,
rotation,
BlockPos.ZERO
);
return pos.offset(-offset.x * 0.5, 0, -offset.z * 0.5);
}
public static void placeCenteredBottom(WorldGenLevel world,
BlockPos pos,
StructureTemplate structure,
Rotation rotation,
Mirror mirror,
RandomSource random) {
placeCenteredBottom(world, pos, structure, rotation, mirror, makeBox(pos), random);
}
public static void placeCenteredBottom(WorldGenLevel world,
BlockPos pos,
StructureTemplate structure,
Rotation rotation,
Mirror mirror,
BoundingBox bounds,
RandomSource random) {
BlockPos offset = offsetPos(pos, structure, rotation, mirror);
StructurePlaceSettings placementData = new StructurePlaceSettings().setRotation(rotation)
.setMirror(mirror)
.setBoundingBox(bounds);
structure.placeInWorld(world, offset, offset, placementData, random, 4);
}
private static BoundingBox makeBox(BlockPos pos) {
int sx = ((pos.getX() >> 4) << 4) - 16;
int sz = ((pos.getZ() >> 4) << 4) - 16;
int ex = sx + 47;
int ez = sz + 47;
return BoundingBox.fromCorners(new Vec3i(sx, 0, sz), new Vec3i(ex, 255, ez));
}
public static BoundingBox getStructureBounds(BlockPos pos,
StructureTemplate structure,
Rotation rotation,
Mirror mirror) {
Vec3i max = structure.getSize();
Vec3 min = StructureTemplate.transform(Vec3.atCenterOf(structure.getSize()), mirror, rotation, BlockPos.ZERO);
max = max.offset(-min.x, -min.y, -min.z);
return BoundingBox.fromCorners(pos.offset(min.x, min.y, min.z), max.offset(pos));
}
public static BoundingBox intersectBoxes(BoundingBox box1, BoundingBox box2) {
int x1 = MHelper.max(box1.minX(), box2.minX());
int y1 = MHelper.max(box1.minY(), box2.minY());
int z1 = MHelper.max(box1.minZ(), box2.minZ());
int x2 = MHelper.min(box1.maxX(), box2.maxX());
int y2 = MHelper.min(box1.maxY(), box2.maxY());
int z2 = MHelper.min(box1.maxZ(), box2.maxZ());
return BoundingBox.fromCorners(new Vec3i(x1, y1, z1), new Vec3i(x2, y2, z2));
}
}