package net.minecraft.server; // CraftBukkit start import org.bukkit.craftbukkit.entity.CraftEntity; import org.bukkit.craftbukkit.entity.CraftLivingEntity; import org.bukkit.craftbukkit.entity.CraftPlayer; import org.bukkit.craftbukkit.CraftServer; import org.bukkit.event.entity.EntityDamageByBlockEvent; import org.bukkit.event.entity.EntityDamageByEntityEvent; import org.bukkit.event.entity.EntityDamageEvent; // CraftBukkit end import java.util.*; public class Explosion { public boolean a; private Random h; private World i; public double b; public double c; public double d; public Entity e; public float f; public Set g; public Explosion(World world, Entity entity, double d1, double d2, double d3, float f1) { a = false; h = new Random(); g = ((Set) (new HashSet())); i = world; e = entity; f = f1; b = d1; c = d2; d = d3; } public void a() { float f1 = f; int j = 16; for (int k = 0; k < j; k++) { for (int i1 = 0; i1 < j; i1++) { label0: for (int k1 = 0; k1 < j; k1++) { if (k != 0 && k != j - 1 && i1 != 0 && i1 != j - 1 && k1 != 0 && k1 != j - 1) { continue; } double d1 = ((float) k / ((float) j - 1.0F)) * 2.0F - 1.0F; double d2 = ((float) i1 / ((float) j - 1.0F)) * 2.0F - 1.0F; double d3 = ((float) k1 / ((float) j - 1.0F)) * 2.0F - 1.0F; double d4 = Math.sqrt(d1 * d1 + d2 * d2 + d3 * d3); d1 /= d4; d2 /= d4; d3 /= d4; float f2 = f * (0.7F + i.l.nextFloat() * 0.6F); double d5 = b; double d7 = c; double d9 = d; float f3 = 0.3F; do { if (f2 <= 0.0F) { continue label0; } int j2 = MathHelper.b(d5); int k2 = MathHelper.b(d7); int l2 = MathHelper.b(d9); int i3 = i.a(j2, k2, l2); if (i3 > 0) { f2 -= (Block.m[i3].a(e) + 0.3F) * f3; } if (f2 > 0.0F) { g.add(((new ChunkPosition(j2, k2, l2)))); } d5 += d1 * (double) f3; d7 += d2 * (double) f3; d9 += d3 * (double) f3; f2 -= f3 * 0.75F; } while (true); } } } f *= 2.0F; int l = MathHelper.b(b - (double) f - 1.0D); int j1 = MathHelper.b(b + (double) f + 1.0D); int l1 = MathHelper.b(c - (double) f - 1.0D); int j3 = MathHelper.b(c + (double) f + 1.0D); int k3 = MathHelper.b(d - (double) f - 1.0D); int l3 = MathHelper.b(d + (double) f + 1.0D); List list = i.b(e, AxisAlignedBB.b(l, l1, k3, j1, j3, l3)); Vec3D vec3d = Vec3D.b(b, c, d); for (int i4 = 0; i4 < list.size(); i4++) { Entity entity = (Entity) list.get(i4); double d11 = entity.e(b, c, d) / (double) f; if (d11 <= 1.0D) { double d6 = entity.p - b; double d8 = entity.q - c; double d10 = entity.r - d; double d12 = MathHelper.a(d6 * d6 + d8 * d8 + d10 * d10); d6 /= d12; d8 /= d12; d10 /= d12; double d13 = i.a(vec3d, entity.z); double d14 = (1.0D - d11) * d13; // CraftBukkit start - explosion damage hook int damage = (int) (((d14 * d14 + d14) / 2D) * 8D * (double) f + 1.0D); CraftServer servr = ((WorldServer) i).getServer(); CraftEntity damagee = null; if (entity instanceof EntityPlayerMP) { damagee = new CraftPlayer(servr, (EntityPlayerMP) entity); } else if(entity instanceof EntityLiving) { damagee = new CraftLivingEntity(servr, (EntityLiving) entity); } if (e == null) { // Block explosion // Craftbukkit TODO: get the x/y/z of the tnt block? EntityDamageByBlockEvent edbbe = new EntityDamageByBlockEvent(null, damagee, EntityDamageEvent.DamageCause.BLOCK_EXPLOSION, damage); servr.getPluginManager().callEvent(edbbe); if(!edbbe.isCancelled()) entity.a(e, edbbe.getDamage()); } else { CraftEntity damager = null; if (e instanceof EntityPlayerMP) { // not possible in normal operations damager = new CraftPlayer(servr, (EntityPlayerMP) e); } else if (e instanceof EntityLiving) { damager = new CraftLivingEntity(servr, (EntityLiving) e); } EntityDamageByEntityEvent edbbe = new EntityDamageByEntityEvent(damager, damagee, EntityDamageEvent.DamageCause.ENTITY_EXPLOSION, damage); servr.getPluginManager().callEvent(edbbe); if (!edbbe.isCancelled()) { entity.a(e, edbbe.getDamage()); } } // Craftbukkit end double d15 = d14; entity.s += d6 * d15; entity.t += d8 * d15; entity.u += d10 * d15; } } f = f1; ArrayList arraylist = new ArrayList(); ((List) (arraylist)).addAll(((java.util.Collection) (g))); if (a) { for (int j4 = ((List) (arraylist)).size() - 1; j4 >= 0; j4--) { ChunkPosition chunkposition = (ChunkPosition) ((List) (arraylist)).get(j4); int i2 = chunkposition.a; int k4 = chunkposition.b; int l4 = chunkposition.c; int i5 = i.a(i2, k4, l4); int j5 = i.a(i2, k4 - 1, l4); if (i5 == 0 && Block.o[j5] && h.nextInt(3) == 0) { i.e(i2, k4, l4, Block.ar.bi); } } } } public void b() { i.a(b, c, d, "random.explode", 4F, (1.0F + (i.l.nextFloat() - i.l.nextFloat()) * 0.2F) * 0.7F); ArrayList arraylist = new ArrayList(); ((List) (arraylist)).addAll(((java.util.Collection) (g))); for (int j = ((List) (arraylist)).size() - 1; j >= 0; j--) { ChunkPosition chunkposition = (ChunkPosition) ((List) (arraylist)).get(j); int k = chunkposition.a; int l = chunkposition.b; int i1 = chunkposition.c; int j1 = i.a(k, l, i1); for (int k1 = 0; k1 < 1; k1++) { double d1 = (float) k + i.l.nextFloat(); double d2 = (float) l + i.l.nextFloat(); double d3 = (float) i1 + i.l.nextFloat(); double d4 = d1 - b; double d5 = d2 - c; double d6 = d3 - d; double d7 = MathHelper.a(d4 * d4 + d5 * d5 + d6 * d6); d4 /= d7; d5 /= d7; d6 /= d7; double d8 = 0.5D / (d7 / (double) f + 0.10000000000000001D); d8 *= i.l.nextFloat() * i.l.nextFloat() + 0.3F; d4 *= d8; d5 *= d8; d6 *= d8; i.a("explode", (d1 + b * 1.0D) / 2D, (d2 + c * 1.0D) / 2D, (d3 + d * 1.0D) / 2D, d4, d5, d6); i.a("smoke", d1, d2, d3, d4, d5, d6); } if (j1 > 0) { Block.m[j1].a(i, k, l, i1, i.b(k, l, i1), 0.3F); i.e(k, l, i1, 0); Block.m[j1].a_(i, k, l, i1); } } } }