package tconstruct.world;
import java.util.*;
import net.minecraft.block.Block;
import net.minecraft.enchantment.EnchantmentProtection;
import net.minecraft.entity.Entity;
import net.minecraft.entity.item.EntityItem;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.util.*;
import net.minecraft.world.*;
public class MiningExplosion extends Explosion
{
World world;
private Random random = new Random();
private int field_77289_h = 16;
private Map field_77288_k = new HashMap();
public MiningExplosion(World par1World, Entity par2Entity, double par3, double par5, double par7, float par9)
{
super(par1World, par2Entity, par3, par5, par7, par9);
world = par1World;
}
@Override
public void doExplosionA ()
{
float f = this.explosionSize;
HashSet hashset = new HashSet();
int i;
int j;
int k;
double d0;
double d1;
double d2;
for (i = 0; i < this.field_77289_h; ++i)
{
for (j = 0; j < this.field_77289_h; ++j)
{
for (k = 0; k < this.field_77289_h; ++k)
{
if (i == 0 || i == this.field_77289_h - 1 || j == 0 || j == this.field_77289_h - 1 || k == 0 || k == this.field_77289_h - 1)
{
double d3 = (double) ((float) i / ((float) this.field_77289_h - 1.0F) * 2.0F - 1.0F);
double d4 = (double) ((float) j / ((float) this.field_77289_h - 1.0F) * 2.0F - 1.0F);
double d5 = (double) ((float) k / ((float) this.field_77289_h - 1.0F) * 2.0F - 1.0F);
double d6 = Math.sqrt(d3 * d3 + d4 * d4 + d5 * d5);
d3 /= d6;
d4 /= d6;
d5 /= d6;
float f1 = this.explosionSize * (0.7F + this.world.rand.nextFloat() * 0.6F);
d0 = this.explosionX;
d1 = this.explosionY;
d2 = this.explosionZ;
for (float f2 = 0.3F; f1 > 0.0F; f1 -= f2 * 0.75F)
{
int l = MathHelper.floor_double(d0);
int i1 = MathHelper.floor_double(d1);
int j1 = MathHelper.floor_double(d2);
Block k1 = this.world.getBlock(l, i1, j1);
if (k1 != Blocks.air)
{
Block block = k1;
float f3 = this.exploder != null ? this.exploder.func_145772_a(this, this.world, l, i1, j1, block) : block.getExplosionResistance(this.exploder, world, l, i1, j1, explosionX, explosionY, explosionZ);
f1 -= (f3 + 0.8F) * f2 * 0.25f;
}
if (f1 > 0.0F && (this.exploder == null || this.exploder.func_145774_a(this, this.world, l, i1, j1, k1, f1)))
{
hashset.add(new ChunkPosition(l, i1, j1));
}
d0 += d3 * (double) f2;
d1 += d4 * (double) f2;
d2 += d5 * (double) f2;
}
}
}
}
}
this.affectedBlockPositions.addAll(hashset);
this.explosionSize *= 2.0F;
i = MathHelper.floor_double(this.explosionX - (double) this.explosionSize - 1.0D);
j = MathHelper.floor_double(this.explosionX + (double) this.explosionSize + 1.0D);
k = MathHelper.floor_double(this.explosionY - (double) this.explosionSize - 1.0D);
int l1 = MathHelper.floor_double(this.explosionY + (double) this.explosionSize + 1.0D);
int i2 = MathHelper.floor_double(this.explosionZ - (double) this.explosionSize - 1.0D);
int j2 = MathHelper.floor_double(this.explosionZ + (double) this.explosionSize + 1.0D);
List list = this.world.getEntitiesWithinAABBExcludingEntity(this.exploder, AxisAlignedBB.getBoundingBox((double) i, (double) k, (double) i2, (double) j, (double) l1, (double) j2));
Vec3 vec3 = Vec3.createVectorHelper(this.explosionX, this.explosionY, this.explosionZ);
for (int k2 = 0; k2 < list.size(); ++k2)
{
Entity entity = (Entity) list.get(k2);
double d7 = entity.getDistance(this.explosionX, this.explosionY, this.explosionZ) / (double) this.explosionSize;
if (d7 <= 1.0D)
{
d0 = entity.posX - this.explosionX;
d1 = entity.posY + (double) entity.getEyeHeight() - this.explosionY;
d2 = entity.posZ - this.explosionZ;
double d8 = (double) MathHelper.sqrt_double(d0 * d0 + d1 * d1 + d2 * d2);
if (d8 != 0.0D)
{
d0 /= d8;
d1 /= d8;
d2 /= d8;
double d9 = (double) this.world.getBlockDensity(vec3, entity.boundingBox);
double d10 = (1.0D - d7) * d9;
if (!(entity instanceof EntityItem))
entity.attackEntityFrom(DamageSource.setExplosionSource(this), (float) ((int) ((d10 * d10 + d10) / 2.0D * 8.0D * (double) this.explosionSize + 1.0D)));
double d11 = EnchantmentProtection.func_92092_a(entity, d10);
entity.motionX += d0 * d11;
entity.motionY += d1 * d11;
entity.motionZ += d2 * d11;
if (entity instanceof EntityPlayer)
{
this.field_77288_k.put((EntityPlayer) entity, Vec3.createVectorHelper(d0 * d10, d1 * d10, d2 * d10));
}
}
}
}
this.explosionSize = f;
}
@Override
public void doExplosionB (boolean par1)
{
this.world.playSoundEffect(this.explosionX, this.explosionY, this.explosionZ, "random.explode", 4.0F, (1.0F + (this.world.rand.nextFloat() - this.world.rand.nextFloat()) * 0.2F) * 0.7F);
if (this.explosionSize >= 2.0F && this.isSmoking)
{
this.world.spawnParticle("hugeexplosion", this.explosionX, this.explosionY, this.explosionZ, 1.0D, 0.0D, 0.0D);
}
else
{
this.world.spawnParticle("largeexplode", this.explosionX, this.explosionY, this.explosionZ, 1.0D, 0.0D, 0.0D);
}
Iterator iterator;
ChunkPosition chunkposition;
int i;
int j;
int k;
Block l;
if (this.isSmoking)
{
iterator = this.affectedBlockPositions.iterator();
while (iterator.hasNext())
{
chunkposition = (ChunkPosition) iterator.next();
i = chunkposition.chunkPosX;
j = chunkposition.chunkPosY;
k = chunkposition.chunkPosZ;
l = this.world.getBlock(i, j, k);
if (par1)
{
double d0 = (double) ((float) i + this.world.rand.nextFloat());
double d1 = (double) ((float) j + this.world.rand.nextFloat());
double d2 = (double) ((float) k + this.world.rand.nextFloat());
double d3 = d0 - this.explosionX;
double d4 = d1 - this.explosionY;
double d5 = d2 - this.explosionZ;
double d6 = (double) MathHelper.sqrt_double(d3 * d3 + d4 * d4 + d5 * d5);
d3 /= d6;
d4 /= d6;
d5 /= d6;
double d7 = 0.5D / (d6 / (double) this.explosionSize + 0.1D);
d7 *= (double) (this.world.rand.nextFloat() * this.world.rand.nextFloat() + 0.3F);
d3 *= d7;
d4 *= d7;
d5 *= d7;
this.world.spawnParticle("explode", (d0 + this.explosionX * 1.0D) / 2.0D, (d1 + this.explosionY * 1.0D) / 2.0D, (d2 + this.explosionZ * 1.0D) / 2.0D, d3, d4, d5);
this.world.spawnParticle("smoke", d0, d1, d2, d3, d4, d5);
}
if (l != Blocks.air)
{
Block block = l;
if (block.canDropFromExplosion(this))
{
block.dropBlockAsItemWithChance(this.world, i, j, k, this.world.getBlockMetadata(i, j, k), 1.0F, 0);
}
block.onBlockExploded(this.world, i, j, k, this);
}
}
}
if (this.isFlaming)
{
iterator = this.affectedBlockPositions.iterator();
while (iterator.hasNext())
{
chunkposition = (ChunkPosition) iterator.next();
i = chunkposition.chunkPosX;
j = chunkposition.chunkPosY;
k = chunkposition.chunkPosZ;
l = this.world.getBlock(i, j, k);
Block i1 = this.world.getBlock(i, j - 1, k);
if (l == Blocks.air && i1.isOpaqueCube() && this.random.nextInt(3) == 0)
{
this.world.setBlock(i, j, k, Blocks.fire);
}
}
}
}
}