mirror of
https://github.com/PaperMC/Paper.git
synced 2024-12-23 17:37:45 +01:00
Add ray tracing and bounding box API
This commit is contained in:
blablubbabc
md_5
parent
a835b03538
commit
4a47be6164
@ -0,0 +1,24 @@
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package org.bukkit.craftbukkit;
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import org.bukkit.FluidCollisionMode;
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import net.minecraft.server.FluidCollisionOption;
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public class CraftFluidCollisionMode {
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private CraftFluidCollisionMode() {}
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public static FluidCollisionOption toNMS(FluidCollisionMode fluidCollisionMode) {
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if (fluidCollisionMode == null) return null;
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switch (fluidCollisionMode) {
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case ALWAYS:
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return FluidCollisionOption.ALWAYS;
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case SOURCE_ONLY:
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return FluidCollisionOption.SOURCE_ONLY;
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case NEVER:
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return FluidCollisionOption.NEVER;
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default:
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return null;
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}
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}
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}
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@ -12,6 +12,7 @@ import java.util.Iterator;
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import java.util.Random;
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import java.util.Set;
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import java.util.UUID;
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import java.util.function.Predicate;
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import net.minecraft.server.*;
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@ -22,6 +23,7 @@ import org.bukkit.Chunk;
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import org.bukkit.ChunkSnapshot;
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import org.bukkit.Difficulty;
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import org.bukkit.Effect;
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import org.bukkit.FluidCollisionMode;
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import org.bukkit.GameRule;
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import org.bukkit.Location;
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import org.bukkit.Particle;
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@ -43,6 +45,7 @@ import org.bukkit.craftbukkit.inventory.CraftItemStack;
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import org.bukkit.craftbukkit.metadata.BlockMetadataStore;
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import org.bukkit.craftbukkit.potion.CraftPotionUtil;
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import org.bukkit.craftbukkit.util.CraftMagicNumbers;
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import org.bukkit.craftbukkit.util.CraftRayTraceResult;
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import org.bukkit.entity.*;
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import org.bukkit.entity.Entity;
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import org.bukkit.entity.minecart.CommandMinecart;
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@ -62,7 +65,9 @@ import org.bukkit.plugin.Plugin;
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import org.bukkit.plugin.messaging.StandardMessenger;
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import org.bukkit.potion.PotionData;
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import org.bukkit.potion.PotionType;
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import org.bukkit.util.BoundingBox;
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import org.bukkit.util.Consumer;
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import org.bukkit.util.RayTraceResult;
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import org.bukkit.util.Vector;
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public class CraftWorld implements World {
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@ -691,19 +696,162 @@ public class CraftWorld implements World {
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@Override
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public Collection<Entity> getNearbyEntities(Location location, double x, double y, double z) {
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if (location == null || !location.getWorld().equals(this)) {
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return Collections.emptyList();
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}
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return this.getNearbyEntities(location, x, y, z, null);
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}
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AxisAlignedBB bb = new AxisAlignedBB(location.getX() - x, location.getY() - y, location.getZ() - z, location.getX() + x, location.getY() + y, location.getZ() + z);
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@Override
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public Collection<Entity> getNearbyEntities(Location location, double x, double y, double z, Predicate<Entity> filter) {
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Validate.notNull(location, "Location is null!");
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Validate.isTrue(this.equals(location.getWorld()), "Location is from different world!");
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BoundingBox aabb = BoundingBox.of(location, x, y, z);
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return this.getNearbyEntities(aabb, filter);
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}
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@Override
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public Collection<Entity> getNearbyEntities(BoundingBox boundingBox) {
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return this.getNearbyEntities(boundingBox, null);
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}
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@Override
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public Collection<Entity> getNearbyEntities(BoundingBox boundingBox, Predicate<Entity> filter) {
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Validate.notNull(boundingBox, "Bounding box is null!");
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AxisAlignedBB bb = new AxisAlignedBB(boundingBox.getMinX(), boundingBox.getMinY(), boundingBox.getMinZ(), boundingBox.getMaxX(), boundingBox.getMaxY(), boundingBox.getMaxZ());
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List<net.minecraft.server.Entity> entityList = getHandle().getEntities((net.minecraft.server.Entity) null, bb, null);
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List<Entity> bukkitEntityList = new ArrayList<org.bukkit.entity.Entity>(entityList.size());
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for (Object entity : entityList) {
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bukkitEntityList.add(((net.minecraft.server.Entity) entity).getBukkitEntity());
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for (net.minecraft.server.Entity entity : entityList) {
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Entity bukkitEntity = entity.getBukkitEntity();
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if (filter == null || filter.test(bukkitEntity)) {
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bukkitEntityList.add(bukkitEntity);
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}
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}
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return bukkitEntityList;
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}
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@Override
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public RayTraceResult rayTraceEntities(Location start, Vector direction, double maxDistance) {
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return this.rayTraceEntities(start, direction, maxDistance, null);
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}
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@Override
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public RayTraceResult rayTraceEntities(Location start, Vector direction, double maxDistance, double raySize) {
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return this.rayTraceEntities(start, direction, maxDistance, raySize, null);
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}
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@Override
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public RayTraceResult rayTraceEntities(Location start, Vector direction, double maxDistance, Predicate<Entity> filter) {
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return this.rayTraceEntities(start, direction, maxDistance, 0.0D, filter);
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}
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@Override
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public RayTraceResult rayTraceEntities(Location start, Vector direction, double maxDistance, double raySize, Predicate<Entity> filter) {
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Validate.notNull(start, "Start location is null!");
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Validate.isTrue(this.equals(start.getWorld()), "Start location is from different world!");
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start.checkFinite();
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Validate.notNull(direction, "Direction is null!");
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direction.checkFinite();
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Validate.isTrue(direction.lengthSquared() > 0, "Direction's magnitude is 0!");
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if (maxDistance < 0.0D) {
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return null;
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}
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Vector startPos = start.toVector();
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Vector dir = direction.clone().normalize().multiply(maxDistance);
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BoundingBox aabb = BoundingBox.of(startPos, startPos).expandDirectional(dir).expand(raySize);
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Collection<Entity> entities = this.getNearbyEntities(aabb, filter);
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Entity nearestHitEntity = null;
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RayTraceResult nearestHitResult = null;
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double nearestDistanceSq = Double.MAX_VALUE;
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for (Entity entity : entities) {
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BoundingBox boundingBox = entity.getBoundingBox().expand(raySize);
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RayTraceResult hitResult = boundingBox.rayTrace(startPos, direction, maxDistance);
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if (hitResult != null) {
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double distanceSq = startPos.distanceSquared(hitResult.getHitPosition());
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if (distanceSq < nearestDistanceSq) {
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nearestHitEntity = entity;
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nearestHitResult = hitResult;
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nearestDistanceSq = distanceSq;
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}
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}
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}
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return (nearestHitEntity == null) ? null : new RayTraceResult(nearestHitResult.getHitPosition(), nearestHitEntity, nearestHitResult.getHitBlockFace());
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}
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@Override
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public RayTraceResult rayTraceBlocks(Location start, Vector direction, double maxDistance) {
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return this.rayTraceBlocks(start, direction, maxDistance, FluidCollisionMode.NEVER, false);
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}
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@Override
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public RayTraceResult rayTraceBlocks(Location start, Vector direction, double maxDistance, FluidCollisionMode fluidCollisionMode) {
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return this.rayTraceBlocks(start, direction, maxDistance, fluidCollisionMode, false);
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}
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@Override
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public RayTraceResult rayTraceBlocks(Location start, Vector direction, double maxDistance, FluidCollisionMode fluidCollisionMode, boolean ignorePassableBlocks) {
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Validate.notNull(start, "Start location is null!");
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Validate.isTrue(this.equals(start.getWorld()), "Start location is from different world!");
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start.checkFinite();
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Validate.notNull(direction, "Direction is null!");
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direction.checkFinite();
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Validate.isTrue(direction.lengthSquared() > 0, "Direction's magnitude is 0!");
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Validate.notNull(fluidCollisionMode, "Fluid collision mode is null!");
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if (maxDistance < 0.0D) {
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return null;
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}
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Vector dir = direction.clone().normalize().multiply(maxDistance);
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Vec3D startPos = new Vec3D(start.getX(), start.getY(), start.getZ());
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Vec3D endPos = new Vec3D(start.getX() + dir.getX(), start.getY() + dir.getY(), start.getZ() + dir.getZ());
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MovingObjectPosition nmsHitResult = this.getHandle().rayTrace(startPos, endPos, CraftFluidCollisionMode.toNMS(fluidCollisionMode), ignorePassableBlocks, false);
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return CraftRayTraceResult.fromNMS(this, nmsHitResult);
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}
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@Override
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public RayTraceResult rayTrace(Location start, Vector direction, double maxDistance, FluidCollisionMode fluidCollisionMode, boolean ignorePassableBlocks, double raySize, Predicate<Entity> filter) {
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RayTraceResult blockHit = this.rayTraceBlocks(start, direction, maxDistance, fluidCollisionMode, ignorePassableBlocks);
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Vector startVec = null;
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double blockHitDistance = maxDistance;
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// limiting the entity search range if we found a block hit:
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if (blockHit != null) {
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startVec = start.toVector();
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blockHitDistance = startVec.distance(blockHit.getHitPosition());
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}
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RayTraceResult entityHit = this.rayTraceEntities(start, direction, blockHitDistance, raySize, filter);
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if (blockHit == null) {
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return entityHit;
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}
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if (entityHit == null) {
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return blockHit;
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}
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// Cannot be null as blockHit == null returns above
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double entityHitDistanceSquared = startVec.distanceSquared(entityHit.getHitPosition());
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if (entityHitDistanceSquared < (blockHitDistance * blockHitDistance)) {
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return entityHit;
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}
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return blockHit;
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}
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public List<Player> getPlayers() {
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List<Player> list = new ArrayList<Player>(world.players.size());
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@ -8,7 +8,9 @@ import java.util.List;
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import net.minecraft.server.*;
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import org.apache.commons.lang.Validate;
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import org.bukkit.Chunk;
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import org.bukkit.FluidCollisionMode;
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import org.bukkit.Location;
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import org.bukkit.Material;
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import org.bukkit.World;
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@ -18,15 +20,18 @@ import org.bukkit.block.BlockFace;
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import org.bukkit.block.BlockState;
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import org.bukkit.block.PistonMoveReaction;
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import org.bukkit.block.data.BlockData;
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import org.bukkit.craftbukkit.CraftChunk;
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import org.bukkit.craftbukkit.CraftFluidCollisionMode;
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import org.bukkit.craftbukkit.CraftWorld;
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import org.bukkit.craftbukkit.block.data.CraftBlockData;
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import org.bukkit.craftbukkit.inventory.CraftItemStack;
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import org.bukkit.craftbukkit.util.CraftMagicNumbers;
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import org.bukkit.craftbukkit.util.CraftRayTraceResult;
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import org.bukkit.inventory.ItemStack;
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import org.bukkit.metadata.MetadataValue;
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import org.bukkit.plugin.Plugin;
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import org.bukkit.util.BlockVector;
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import org.bukkit.util.RayTraceResult;
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import org.bukkit.util.Vector;
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public class CraftBlock implements Block {
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private final net.minecraft.server.GeneratorAccess world;
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@ -602,4 +607,45 @@ public class CraftBlock implements Block {
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public boolean isPassable() {
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return this.getData0().getCollisionShape(world, position).isEmpty();
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}
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@Override
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public RayTraceResult rayTrace(Location start, Vector direction, double maxDistance, FluidCollisionMode fluidCollisionMode) {
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Validate.notNull(start, "Start location is null!");
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Validate.isTrue(this.getWorld().equals(start.getWorld()), "Start location is from different world!");
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start.checkFinite();
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Validate.notNull(direction, "Direction is null!");
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direction.checkFinite();
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Validate.isTrue(direction.lengthSquared() > 0, "Direction's magnitude is 0!");
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Validate.notNull(fluidCollisionMode, "Fluid collision mode is null!");
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if (maxDistance < 0.0D) {
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return null;
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}
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Vector dir = direction.clone().normalize().multiply(maxDistance);
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Vec3D startPos = new Vec3D(start.getX(), start.getY(), start.getZ());
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Vec3D endPos = new Vec3D(start.getX() + dir.getX(), start.getY() + dir.getY(), start.getZ() + dir.getZ());
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// Similar to to nms.World#rayTrace:
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IBlockData blockData = world.getType(position);
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Fluid fluid = world.b(position); // PAIL getFluid
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boolean collidableBlock = blockData.getBlock().d(blockData); // PAIL isCollidable
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boolean collideWithFluid = CraftFluidCollisionMode.toNMS(fluidCollisionMode).d.test(fluid); // PAIL predicate
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if (!collidableBlock && !collideWithFluid) {
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return null;
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}
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MovingObjectPosition nmsHitResult = null;
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if (collidableBlock) {
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nmsHitResult = net.minecraft.server.Block.a(blockData, world.getMinecraftWorld(), position, startPos, endPos); // PAIL rayTrace
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}
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if (nmsHitResult == null && collideWithFluid) {
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nmsHitResult = VoxelShapes.a(0.0D, 0.0D, 0.0D, 1.0D, (double) fluid.f(), 1.0D).a(startPos, endPos, position); // PAIL create, getHeight, rayTrace
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}
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return CraftRayTraceResult.fromNMS(this.getWorld(), nmsHitResult);
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}
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}
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@ -28,6 +28,7 @@ import org.bukkit.permissions.PermissionAttachment;
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import org.bukkit.permissions.PermissionAttachmentInfo;
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import org.bukkit.permissions.ServerOperator;
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import org.bukkit.plugin.Plugin;
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import org.bukkit.util.BoundingBox;
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import org.bukkit.util.Vector;
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public abstract class CraftEntity implements org.bukkit.entity.Entity {
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@ -273,6 +274,12 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
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return getHandle().width;
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}
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@Override
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public BoundingBox getBoundingBox() {
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AxisAlignedBB bb = getHandle().getBoundingBox();
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return new BoundingBox(bb.minX, bb.minY, bb.minZ, bb.maxX, bb.maxY, bb.maxZ);
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}
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public boolean isOnGround() {
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if (entity instanceof EntityArrow) {
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return ((EntityArrow) entity).inGround;
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@ -36,6 +36,7 @@ import net.minecraft.server.MobEffect;
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import net.minecraft.server.MobEffectList;
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import org.apache.commons.lang.Validate;
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import org.bukkit.FluidCollisionMode;
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import org.bukkit.Location;
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import org.bukkit.Material;
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import org.bukkit.attribute.Attribute;
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@ -78,6 +79,7 @@ import org.bukkit.potion.PotionEffect;
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import org.bukkit.potion.PotionEffectType;
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import org.bukkit.potion.PotionType;
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import org.bukkit.util.BlockIterator;
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import org.bukkit.util.RayTraceResult;
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import org.bukkit.util.Vector;
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public class CraftLivingEntity extends CraftEntity implements LivingEntity {
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@ -170,6 +172,29 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
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return getLineOfSight(transparent, maxDistance, 2);
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}
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@Override
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public Block getTargetBlockExact(int maxDistance) {
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return this.getTargetBlockExact(maxDistance, FluidCollisionMode.NEVER);
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}
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@Override
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public Block getTargetBlockExact(int maxDistance, FluidCollisionMode fluidCollisionMode) {
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RayTraceResult hitResult = this.rayTraceBlocks(maxDistance, fluidCollisionMode);
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return (hitResult != null ? hitResult.getHitBlock() : null);
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}
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@Override
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public RayTraceResult rayTraceBlocks(double maxDistance) {
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return this.rayTraceBlocks(maxDistance, FluidCollisionMode.NEVER);
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}
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@Override
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public RayTraceResult rayTraceBlocks(double maxDistance, FluidCollisionMode fluidCollisionMode) {
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Location eyeLocation = this.getEyeLocation();
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Vector direction = eyeLocation.getDirection();
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return this.getWorld().rayTraceBlocks(eyeLocation, direction, maxDistance, fluidCollisionMode, false);
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}
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public int getRemainingAir() {
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return getHandle().getAirTicks();
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}
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@ -0,0 +1,42 @@
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package org.bukkit.craftbukkit.util;
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import org.bukkit.World;
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import org.bukkit.block.Block;
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import org.bukkit.block.BlockFace;
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import org.bukkit.craftbukkit.block.CraftBlock;
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import org.bukkit.entity.Entity;
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import org.bukkit.util.RayTraceResult;
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import org.bukkit.util.Vector;
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import net.minecraft.server.BlockPosition;
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import net.minecraft.server.MovingObjectPosition;
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import net.minecraft.server.MovingObjectPosition.EnumMovingObjectType;
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import net.minecraft.server.Vec3D;
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public class CraftRayTraceResult {
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private CraftRayTraceResult() {}
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public static RayTraceResult fromNMS(World world, MovingObjectPosition nmsHitResult) {
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if (nmsHitResult == null || nmsHitResult.type == EnumMovingObjectType.MISS) return null;
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Vec3D nmsHitPos = nmsHitResult.pos;
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Vector hitPosition = new Vector(nmsHitPos.x, nmsHitPos.y, nmsHitPos.z);
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BlockFace hitBlockFace = null;
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if (nmsHitResult.direction != null) {
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hitBlockFace = CraftBlock.notchToBlockFace(nmsHitResult.direction);
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}
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if (nmsHitResult.entity != null) {
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Entity hitEntity = nmsHitResult.entity.getBukkitEntity();
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return new RayTraceResult(hitPosition, hitEntity, hitBlockFace);
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}
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Block hitBlock = null;
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BlockPosition nmsBlockPos = nmsHitResult.a(); // PAIL: getBlockPosition
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if (nmsBlockPos != null && world != null) {
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hitBlock = world.getBlockAt(nmsBlockPos.getX(), nmsBlockPos.getY(), nmsBlockPos.getZ());
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}
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return new RayTraceResult(hitPosition, hitBlock, hitBlockFace);
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}
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}
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