QuImUfu/structure-item-mod-fabric
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add advanced offsets

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This commit is contained in:
QuImUfu 2023-07-01 15:16:21 +02:00
parent db1d4b2df2
commit 05c1bf8029
4 changed files with 150 additions and 41 deletions
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4
build.gradle
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@ -17,6 +17,7 @@ repositories {
// Loom adds the essential maven repositories to download Minecraft and libraries from automatically.
// See https://docs.gradle.org/current/userguide/declaring_repositories.html
// for more information about repositories.
mavenCentral()
}
loom {
@ -42,7 +43,8 @@ dependencies {
// Uncomment the following line to enable the deprecated Fabric API modules.
// These are included in the Fabric API production distribution and allow you to update your mod to the latest modules at a later more convenient time.
include 'net.objecthunter:exp4j:0.4.8'
implementation 'net.objecthunter:exp4j:0.4.8'
// modImplementation "net.fabricmc.fabric-api:fabric-api-deprecated:${project.fabric_version}"
}

70
src/main/java/quimufu/structure_item/MyItem.java
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@ -5,7 +5,6 @@ import net.fabricmc.fabric.api.item.v1.FabricItemSettings;
import net.minecraft.block.Block;
import net.minecraft.client.item.TooltipContext;
import net.minecraft.item.Item;
import net.minecraft.item.ItemGroup;
import net.minecraft.item.ItemStack;
import net.minecraft.item.ItemUsageContext;
import net.minecraft.nbt.NbtCompound;
@ -16,13 +15,10 @@ import net.minecraft.network.packet.s2c.play.SubtitleS2CPacket;
import net.minecraft.network.packet.s2c.play.TitleS2CPacket;
import net.minecraft.registry.DefaultedRegistry;
import net.minecraft.registry.Registries;
import net.minecraft.registry.Registry;
import net.minecraft.registry.SimpleDefaultedRegistry;
import net.minecraft.server.network.ServerPlayNetworkHandler;
import net.minecraft.server.network.ServerPlayerEntity;
import net.minecraft.server.world.ServerWorld;
import net.minecraft.structure.StructureTemplate;
import net.minecraft.text.LiteralTextContent;
import net.minecraft.text.Text;
import net.minecraft.util.*;
import net.minecraft.util.math.BlockPos;
@ -63,6 +59,17 @@ public class MyItem extends Item {
Text.literal(String.valueOf(offset.getY())),
Text.literal(String.valueOf(offset.getZ())));
texts.add(c);
} else if (tag.contains("offsetV2", 10)) {
NbtCompound offsetV2 = tag.getCompound("offsetV2");
texts.add(Text.translatable("item.structure_item.item.tooltip.v2.offset"));
texts.add(Text.translatable("item.structure_item.item.tooltip.xFuncOff",
Text.literal(String.valueOf(offsetV2.get("x")))));
texts.add(Text.translatable("item.structure_item.item.tooltip.yFuncOff",
Text.literal(String.valueOf(offsetV2.get("y")))));
texts.add(Text.translatable("item.structure_item.item.tooltip.zFuncOff",
Text.literal(String.valueOf(offsetV2.get("z")))));
} else {
texts.add(Text.translatable("item.structure_item.item.tooltip.dynamic.offset"));
}
@ -70,7 +77,7 @@ public class MyItem extends Item {
texts.add(Text.translatable("item.structure_item.item.tooltip.blacklist"));
NbtList bl = tag.getList("blacklist", 8);
int i = 0;
for ( NbtElement entry : bl) {
for (NbtElement entry : bl) {
texts.add(Text.literal(" " + entry.asString()));
i++;
if (i == 4) {
@ -91,6 +98,7 @@ public class MyItem extends Item {
}
}
}
}
@Override
@ -162,12 +170,23 @@ public class MyItem extends Item {
if (tag.contains("offset", 10)) {
BlockPos offset = NbtHelper.toBlockPos(tag.getCompound("offset"));
loc = loc.add(offset);
} else if (c.getPlayer() != null) {
Direction direction = Direction.getEntityFacingOrder(c.getPlayer())[0];
Vec3i size = x.getSize();
loc = loc.add(getDirectionalOffset(direction, size));
} else if (tag.contains("offsetV2", 10)) {
Direction direction = c.getSide().getOpposite();
try {
StructureOffsetSettings offset = StructureOffsetSettings.ofTag(tag.getCompound("offsetV2"));
Vec3i size = x.getSize();
loc = loc.add(offset.getEffective(direction, size));
} catch (Exception e) {
Text message =
Text.translatable("items.structure.spawner.invalid.offsetV2",
Text.literal(tag.getCompound("offsetV2").asString()), e.getMessage());
sendPlayerChat(player, message);
}
} else {
LOGGER.info("No player & no offset");
Direction direction = c.getSide().getOpposite();
StructureOffsetSettings offset = StructureOffsetSettings.dynamic();
Vec3i size = x.getSize();
loc = loc.add(offset.getEffective(direction, size));
}
MyPlacementSettings ps = (new MyPlacementSettings());
@ -200,7 +219,7 @@ public class MyItem extends Item {
.setRotation(BlockRotation.NONE);
boolean success = false;
try {
if(x.place((ServerWorld)c.getWorld(), loc, loc, ps, c.getWorld().getRandom(), 2))
if (x.place((ServerWorld) c.getWorld(), loc, loc, ps, c.getWorld().getRandom(), 2))
success = true;
} catch (NullPointerException ignored) {
}
@ -232,35 +251,6 @@ public class MyItem extends Item {
LOGGER.info(message.getContent());
}
private BlockPos getDirectionalOffset(Direction direction, Vec3i size) {
BlockPos loc = new BlockPos(0, 0, 0);
switch (direction) {
case WEST -> {
loc = loc.offset(Direction.NORTH, size.getZ() / 2);
loc = loc.offset(Direction.WEST, size.getX() - 1);
}
case EAST -> //positive x
loc = loc.offset(Direction.NORTH, size.getZ() / 2);
case NORTH -> {
loc = loc.offset(Direction.NORTH, size.getZ() - 1);
loc = loc.offset(Direction.WEST, size.getX() / 2);
}
case SOUTH -> //positive z
loc = loc.offset(Direction.WEST, size.getX() / 2);
case UP -> { //positive y
loc = loc.offset(Direction.NORTH, size.getZ() / 2);
loc = loc.offset(Direction.WEST, size.getX() / 2);
loc = loc.offset(Direction.UP);
}
case DOWN -> {
loc = loc.offset(Direction.NORTH, size.getZ() / 2);
loc = loc.offset(Direction.WEST, size.getX() / 2);
loc = loc.offset(Direction.DOWN, size.getY());
}
}
return loc;
}
private Block getBlock(String loc) {
Identifier location = Identifier.tryParse(loc);
DefaultedRegistry<Block> blocks = Registries.BLOCK;

112
src/main/java/quimufu/structure_item/StructureOffsetSettings.java Normal file
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@ -0,0 +1,112 @@
package quimufu.structure_item;
import net.minecraft.nbt.NbtCompound;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.Direction;
import net.minecraft.util.math.MathHelper;
import net.minecraft.util.math.Vec3i;
import net.objecthunter.exp4j.Expression;
import net.objecthunter.exp4j.ExpressionBuilder;
import net.objecthunter.exp4j.function.Function;
import java.util.Arrays;
import java.util.Map;
public class StructureOffsetSettings {
Expression[] xyz = new Expression[3];
String[] xyzS = new String[3];
boolean[] rel = new boolean[3];
static Function DIR_SELECT = new Function("dirSelect", 7) {
@Override
public double apply(double... args) {
return args[(int) (Math.round(args[0]) + 1L)];
}
};
public static StructureOffsetSettings ofTag(NbtCompound offsetTag) {
StructureOffsetSettings settings = new StructureOffsetSettings();
String x1 = offsetTag.getString("x");
unwrap(x1, settings, 0);
String y1 = offsetTag.getString("y");
unwrap(y1, settings, 1);
String z1 = offsetTag.getString("z");
unwrap(z1, settings, 2);
return settings;
}
private static void unwrap(String expr, StructureOffsetSettings settings, int x) {
if (expr.startsWith("~")) {
settings.rel[x] = true;
expr = expr.substring(1);
}
if (expr.isBlank()) {
expr = "0";
}
settings.xyzS[x] = expr;
settings.xyz[x] = new ExpressionBuilder(expr)
.variables("sizeX", "sizeY", "sizeZ", "dir")
.function(DIR_SELECT)
.build();
}
public static StructureOffsetSettings dynamic() {
StructureOffsetSettings settings = new StructureOffsetSettings();
for (int i = 0; i < 3; i++) {
settings.xyz[i] = new ExpressionBuilder("0").build();
settings.xyzS[i] = "0";
}
Arrays.fill(settings.rel, true);
return settings;
}
public Vec3i getEffective(Direction direction, Vec3i size) {
int[] xyzI = new int[3];
for (int i = 0; i < 3; i++) {
xyz[i].setVariables(Map.of("sizeX", (double) size.getX(),
"sizeY", (double) size.getY(),
"sizeZ", (double) size.getZ(),
"dir", (double) direction.getId()
));
xyzI[i] = MathHelper.floor(xyz[i].evaluate());
}
Vec3i dynamicOffset = getDirectionalOffset(direction, size);
int[] xyzDynamicI = {dynamicOffset.getX(), dynamicOffset.getY(), dynamicOffset.getZ()};
for (int i = 0; i < 3; i++) {
if (rel[i]) {
xyzI[i] += xyzDynamicI[i];
}
}
return new Vec3i(xyzI[0], xyzI[1], xyzI[2]);
}
private Vec3i getDirectionalOffset(Direction direction, Vec3i size) {
BlockPos loc = new BlockPos(0, 0, 0);
switch (direction) {
case WEST -> {
loc = loc.offset(Direction.NORTH, size.getZ() / 2);
loc = loc.offset(Direction.WEST, size.getX() - 1);
}
case EAST -> //positive x
loc = loc.offset(Direction.NORTH, size.getZ() / 2);
case NORTH -> {
loc = loc.offset(Direction.NORTH, size.getZ() - 1);
loc = loc.offset(Direction.WEST, size.getX() / 2);
}
case SOUTH -> //positive z
loc = loc.offset(Direction.WEST, size.getX() / 2);
case UP -> { //positive y
loc = loc.offset(Direction.NORTH, size.getZ() / 2);
loc = loc.offset(Direction.WEST, size.getX() / 2);
loc = loc.offset(Direction.UP);
}
case DOWN -> {
loc = loc.offset(Direction.NORTH, size.getZ() / 2);
loc = loc.offset(Direction.WEST, size.getX() / 2);
loc = loc.offset(Direction.DOWN, size.getY());
}
}
return loc;
}
}

5
src/main/resources/assets/structure_item/lang/en_us.json
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@ -4,6 +4,7 @@
"items.structure.spawner.invalid.structure.name": "Invalid structure name",
"items.structure.spawner.structure.nonexistent": "Structure: %s does not exist",
"items.structure.spawner.invalid.block": "Block %s invalid",
"items.structure.spawner.invalid.offsetV2": "offsetV2 tag %s invalid: %s",
"items.structure.spawner.no.tag": "Item has no NBT tag",
"items.structure.spawner.no.structure": "Item has no String \"structure\": tag",
"item.structure_item.item": "Structure Spawner",
@ -11,7 +12,11 @@
"item.structure_item.item.tooltip.structure": "Places down: ",
"item.structure_item.item.tooltip.allowed.on": "Can be placed on: ",
"item.structure_item.item.tooltip.fixed.offset": "Offset:",
"item.structure_item.item.tooltip.v2.offset": "Advanced Offset:",
"item.structure_item.item.tooltip.xyz":" x: %s y: %s z: %s",
"item.structure_item.item.tooltip.xFuncOff":" x: %s",
"item.structure_item.item.tooltip.yFuncOff":" y: %s",
"item.structure_item.item.tooltip.zFuncOff":" z: %s",
"item.structure_item.item.tooltip.dynamic.offset": "Dynamic offset",
"item.structure_item.item.tooltip.blacklist": "Blacklist:",
"item.structure_item.item.tooltip.blacklist.more": " And %s more...",