Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-12-20 21:40:06 +01:00
272 Zeilen
11 KiB
Java
272 Zeilen
11 KiB
Java
package net.minecraft.server;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Random;
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import java.util.Set;
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// CraftBukkit start
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import org.bukkit.Bukkit;
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import org.bukkit.entity.TNTPrimed;
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import org.bukkit.event.entity.EntityDamageByBlockEvent;
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import org.bukkit.event.entity.EntityDamageByEntityEvent;
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import org.bukkit.event.entity.EntityDamageEvent;
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import org.bukkit.event.entity.EntityExplodeEvent;
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import org.bukkit.Location;
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// CraftBukkit end
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public class Explosion {
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public boolean a = false;
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private Random h = new Random();
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private World world;
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public double posX;
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public double posY;
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public double posZ;
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public Entity source;
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public float size;
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public Set blocks = new HashSet();
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public boolean wasCanceled = false; // CraftBukkit
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public Explosion(World world, Entity entity, double d0, double d1, double d2, float f) {
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this.world = world;
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this.source = entity;
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this.size = (float) Math.max(f, 0.0); // CraftBukkit - clamp bad values
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this.posX = d0;
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this.posY = d1;
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this.posZ = d2;
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}
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public void a() {
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// CraftBukkit start
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if (this.size < 0.1F) {
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return;
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}
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// CraftBukkit end
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float f = this.size;
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byte b0 = 16;
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int i;
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int j;
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int k;
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double d0;
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double d1;
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double d2;
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for (i = 0; i < b0; ++i) {
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for (j = 0; j < b0; ++j) {
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for (k = 0; k < b0; ++k) {
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if (i == 0 || i == b0 - 1 || j == 0 || j == b0 - 1 || k == 0 || k == b0 - 1) {
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double d3 = (double) ((float) i / ((float) b0 - 1.0F) * 2.0F - 1.0F);
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double d4 = (double) ((float) j / ((float) b0 - 1.0F) * 2.0F - 1.0F);
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double d5 = (double) ((float) k / ((float) b0 - 1.0F) * 2.0F - 1.0F);
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double d6 = Math.sqrt(d3 * d3 + d4 * d4 + d5 * d5);
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d3 /= d6;
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d4 /= d6;
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d5 /= d6;
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float f1 = this.size * (0.7F + this.world.random.nextFloat() * 0.6F);
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d0 = this.posX;
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d1 = this.posY;
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d2 = this.posZ;
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for (float f2 = 0.3F; f1 > 0.0F; f1 -= f2 * 0.75F) {
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int l = MathHelper.floor(d0);
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int i1 = MathHelper.floor(d1);
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int j1 = MathHelper.floor(d2);
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int k1 = this.world.getTypeId(l, i1, j1);
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if (k1 > 0) {
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f1 -= (Block.byId[k1].a(this.source) + 0.3F) * f2;
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}
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if (f1 > 0.0F && i1 < 256 && i1 >= 0) { // CraftBukkit - Don't wrap explosions
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this.blocks.add(new ChunkPosition(l, i1, j1));
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}
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d0 += d3 * (double) f2;
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d1 += d4 * (double) f2;
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d2 += d5 * (double) f2;
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}
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}
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}
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}
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}
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this.size *= 2.0F;
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i = MathHelper.floor(this.posX - (double) this.size - 1.0D);
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j = MathHelper.floor(this.posX + (double) this.size + 1.0D);
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k = MathHelper.floor(this.posY - (double) this.size - 1.0D);
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int l1 = MathHelper.floor(this.posY + (double) this.size + 1.0D);
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int i2 = MathHelper.floor(this.posZ - (double) this.size - 1.0D);
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int j2 = MathHelper.floor(this.posZ + (double) this.size + 1.0D);
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List list = this.world.getEntities(this.source, AxisAlignedBB.b((double) i, (double) k, (double) i2, (double) j, (double) l1, (double) j2));
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Vec3D vec3d = Vec3D.create(this.posX, this.posY, this.posZ);
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for (int k2 = 0; k2 < list.size(); ++k2) {
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Entity entity = (Entity) list.get(k2);
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double d7 = entity.f(this.posX, this.posY, this.posZ) / (double) this.size;
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if (d7 <= 1.0D) {
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d0 = entity.locX - this.posX;
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d1 = entity.locY - this.posY;
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d2 = entity.locZ - this.posZ;
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double d8 = Math.sqrt(d0 * d0 + d1 * d1 + d2 * d2); // CraftBukkit
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d0 /= d8;
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d1 /= d8;
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d2 /= d8;
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double d9 = (double) this.world.a(vec3d, entity.boundingBox);
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double d10 = (1.0D - d7) * d9;
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// CraftBukkit start - explosion damage hook
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org.bukkit.entity.Entity damagee = (entity == null) ? null : entity.getBukkitEntity();
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int damageDone = (int) ((d10 * d10 + d10) / 2.0D * 8.0D * (double) this.size + 1.0D);
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if (damagee == null) {
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// nothing was hurt
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} else if (this.source == null) { // Block explosion
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// TODO: get the x/y/z of the tnt block?
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// does this even get called ever? @see EntityTNTPrimed - not BlockTNT or whatever
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EntityDamageByBlockEvent event = new EntityDamageByBlockEvent(null, damagee, EntityDamageEvent.DamageCause.BLOCK_EXPLOSION, damageDone);
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Bukkit.getPluginManager().callEvent(event);
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if (!event.isCancelled()) {
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entity.damageEntity(DamageSource.EXPLOSION, event.getDamage());
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entity.motX += d0 * d10;
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entity.motY += d1 * d10;
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entity.motZ += d2 * d10;
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}
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} else {
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final org.bukkit.entity.Entity damager = this.source.getBukkitEntity();
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final EntityDamageEvent.DamageCause damageCause;
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if (damager instanceof TNTPrimed) {
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damageCause = EntityDamageEvent.DamageCause.BLOCK_EXPLOSION;
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} else {
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damageCause = EntityDamageEvent.DamageCause.ENTITY_EXPLOSION;
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}
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EntityDamageByEntityEvent event = new EntityDamageByEntityEvent(damager, damagee, damageCause, damageDone);
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Bukkit.getPluginManager().callEvent(event);
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if (!event.isCancelled()) {
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entity.damageEntity(DamageSource.EXPLOSION, event.getDamage());
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entity.motX += d0 * d10;
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entity.motY += d1 * d10;
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entity.motZ += d2 * d10;
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}
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}
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// CraftBukkit end
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}
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}
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this.size = f;
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ArrayList arraylist = new ArrayList();
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arraylist.addAll(this.blocks);
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}
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public void a(boolean flag) {
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this.world.makeSound(this.posX, this.posY, this.posZ, "random.explode", 4.0F, (1.0F + (this.world.random.nextFloat() - this.world.random.nextFloat()) * 0.2F) * 0.7F);
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this.world.a("hugeexplosion", this.posX, this.posY, this.posZ, 0.0D, 0.0D, 0.0D);
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ArrayList arraylist = new ArrayList();
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arraylist.addAll(this.blocks);
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// CraftBukkit start
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org.bukkit.World bworld = this.world.getWorld();
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org.bukkit.entity.Entity explode = this.source == null ? null : this.source.getBukkitEntity();
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Location location = new Location(bworld, this.posX, this.posY, this.posZ);
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List<org.bukkit.block.Block> blockList = new ArrayList<org.bukkit.block.Block>();
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for (int j = arraylist.size() - 1; j >= 0; j--) {
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ChunkPosition cpos = (ChunkPosition) arraylist.get(j);
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org.bukkit.block.Block block = bworld.getBlockAt(cpos.x, cpos.y, cpos.z);
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if (block.getType() != org.bukkit.Material.AIR) {
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blockList.add(block);
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}
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}
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EntityExplodeEvent event = new EntityExplodeEvent(explode, location, blockList, 0.3F);
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this.world.getServer().getPluginManager().callEvent(event);
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arraylist.clear();
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blocks.clear();
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for (org.bukkit.block.Block block : event.blockList()) {
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ChunkPosition coords = new ChunkPosition(block.getX(), block.getY(), block.getZ());
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arraylist.add(coords);
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blocks.add(coords);
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}
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if (event.isCancelled()) {
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this.wasCanceled = true;
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return;
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}
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// CraftBukkit end
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int i;
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ChunkPosition chunkposition;
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int j;
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int k;
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int l;
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int i1;
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for (i = arraylist.size() - 1; i >= 0; --i) {
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chunkposition = (ChunkPosition) arraylist.get(i);
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j = chunkposition.x;
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k = chunkposition.y;
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l = chunkposition.z;
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i1 = this.world.getTypeId(j, k, l);
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if (flag) {
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double d0 = (double) ((float) j + this.world.random.nextFloat());
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double d1 = (double) ((float) k + this.world.random.nextFloat());
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double d2 = (double) ((float) l + this.world.random.nextFloat());
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double d3 = d0 - this.posX;
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double d4 = d1 - this.posY;
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double d5 = d2 - this.posZ;
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double d6 = (double) MathHelper.sqrt(d3 * d3 + d4 * d4 + d5 * d5);
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d3 /= d6;
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d4 /= d6;
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d5 /= d6;
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double d7 = 0.5D / (d6 / (double) this.size + 0.1D);
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d7 *= (double) (this.world.random.nextFloat() * this.world.random.nextFloat() + 0.3F);
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d3 *= d7;
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d4 *= d7;
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d5 *= d7;
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this.world.a("explode", (d0 + this.posX * 1.0D) / 2.0D, (d1 + this.posY * 1.0D) / 2.0D, (d2 + this.posZ * 1.0D) / 2.0D, d3, d4, d5);
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this.world.a("smoke", d0, d1, d2, d3, d4, d5);
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}
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// CraftBukkit start - stop explosions from putting out fire
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if (i1 > 0 && i1 != Block.FIRE.id) {
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Block.byId[i1].dropNaturally(this.world, j, k, l, this.world.getData(j, k, l), event.getYield(), 0);
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Block.byId[i1].doActualDrop(this.world, j, k, l);
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// CraftBukkit end
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this.world.setTypeId(j, k, l, 0);
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Block.byId[i1].wasExploded(this.world, j, k, l);
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}
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}
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if (this.a) {
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for (i = arraylist.size() - 1; i >= 0; --i) {
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chunkposition = (ChunkPosition) arraylist.get(i);
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j = chunkposition.x;
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k = chunkposition.y;
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l = chunkposition.z;
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i1 = this.world.getTypeId(j, k, l);
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int j1 = this.world.getTypeId(j, k - 1, l);
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if (i1 == 0 && Block.n[j1] && this.h.nextInt(3) == 0) {
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this.world.setTypeId(j, k, l, Block.FIRE.id);
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}
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}
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}
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}
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}
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