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