package minefantasy.mf2.entity;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Random;
import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.enchantment.EnchantmentProtection;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.item.EntityItem;
import net.minecraft.entity.item.EntityTNTPrimed;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.DamageSource;
import net.minecraft.util.EntityDamageSource;
import net.minecraft.util.MathHelper;
import net.minecraft.util.Vec3;
import net.minecraft.world.ChunkPosition;
import net.minecraft.world.World;
public class Shockwave
{//Explosion
/** whether or not the explosion sets fire to blocks around it */
public boolean isFlaming;
/** whether or not this explosion spawns smoke particles */
public boolean isSmoking = true;
public boolean isGriefing = true;
private int maxRange = 16;
private Random explosionRNG = new Random();
private World worldObj;
public double explosionX;
public double explosionY;
public double explosionZ;
public Entity exploder;
public float explosionSize;
/** A list of ChunkPositions of blocks affected by this explosion */
public List affectedBlockPositions = new ArrayList();
private Map field_77288_k = new HashMap();
private String type;
public Shockwave(String type, World world, Entity cause, double x, double y, double z, float power)
{
this.worldObj = world;
this.exploder = cause;
this.explosionSize = power;
this.explosionX = x;
this.explosionY = y;
this.explosionZ = z;
this.type = type;
}
/**
* Does the first part of the explosion (destroy blocks)
*/
public void initiate()
{
float f = this.explosionSize;
HashSet hashset = new HashSet();
int i;
int j;
int k;
double d5;
double d6;
double d7;
for (i = 0; i < this.maxRange; ++i)
{
for (j = 0; j < this.maxRange; ++j)
{
for (k = 0; k < this.maxRange; ++k)
{
if (i == 0 || i == this.maxRange - 1 || j == 0 || j == this.maxRange - 1 || k == 0 || k == this.maxRange - 1)
{
double d0 = (double)((float)i / ((float)this.maxRange - 1.0F) * 2.0F - 1.0F);
double d1 = (double)((float)j / ((float)this.maxRange - 1.0F) * 2.0F - 1.0F);
double d2 = (double)((float)k / ((float)this.maxRange - 1.0F) * 2.0F - 1.0F);
double d3 = Math.sqrt(d0 * d0 + d1 * d1 + d2 * d2);
d0 /= d3;
d1 /= d3;
d2 /= d3;
float f1 = this.explosionSize * (0.7F + this.worldObj.rand.nextFloat() * 0.6F);
d5 = this.explosionX;
d6 = this.explosionY;
d7 = this.explosionZ;
for (float f2 = 0.3F; f1 > 0.0F; f1 -= f2 * 0.75F)
{
int j1 = MathHelper.floor_double(d5);
int k1 = MathHelper.floor_double(d6);
int l1 = MathHelper.floor_double(d7);
Block block = this.worldObj.getBlock(j1, k1, l1);
if (block.getMaterial() == Material.glass)
{
hashset.add(new ChunkPosition(j1, k1, l1));
}
d5 += d0 * (double)f2;
d6 += d1 * (double)f2;
d7 += d2 * (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 i2 = MathHelper.floor_double(this.explosionY + (double)this.explosionSize + 1.0D);
int l = 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.worldObj.getEntitiesWithinAABBExcludingEntity(this.exploder, AxisAlignedBB.getBoundingBox((double)i, (double)k, (double)l, (double)j, (double)i2, (double)j2));
Vec3 vec3 = Vec3.createVectorHelper(this.explosionX, this.explosionY, this.explosionZ);
for (int i1 = 0; i1 < list.size(); ++i1)
{
Entity entity = (Entity)list.get(i1);
double d4 = entity.getDistance(this.explosionX, this.explosionY, this.explosionZ) / (double)this.explosionSize;
if (d4 <= 1.0D && !(entity instanceof EntityItem))
{
d5 = entity.posX - this.explosionX;
d6 = entity.posY + (double)entity.getEyeHeight() - this.explosionY;
d7 = entity.posZ - this.explosionZ;
double d9 = (double)MathHelper.sqrt_double(d5 * d5 + d6 * d6 + d7 * d7);
if (d9 != 0.0D)
{
d5 /= d9;
d6 /= d9;
d7 /= d9;
double d10 = (double)this.worldObj.getBlockDensity(vec3, entity.boundingBox);
double d11 = (1.0D - d4) * d10;
float damage = (float)((int)((d11 * d11 + d11) / 2.0D * 8.0D * (double)this.explosionSize + 1.0D));
entity.attackEntityFrom(getExplosionSource(), Math.min(64F, 4F + (damage/2F)));
double d8 = EnchantmentProtection.func_92092_a(entity, d11);
entity.motionX += d5 * d8;
entity.motionY += d6 * d8;
entity.motionZ += d7 * d8;
if (entity instanceof EntityPlayer)
{
this.field_77288_k.put((EntityPlayer)entity, Vec3.createVectorHelper(d5 * d11, d6 * d11, d7 * d11));
}
}
}
}
this.explosionSize = f;
}
/**
* Does the second part of the explosion (sound, particles, drop spawn)
*/
public void decorateWave(boolean flag)
{
this.worldObj.playSoundEffect(this.explosionX, this.explosionY, this.explosionZ, "random.explode", 4.0F, (1.0F + (this.worldObj.rand.nextFloat() - this.worldObj.rand.nextFloat()) * 0.2F) * 0.7F);
if (this.explosionSize >= 2.0F && this.isSmoking)
{
this.worldObj.spawnParticle("largesmoke", this.explosionX, this.explosionY, this.explosionZ, 1.0D, 0.0D, 0.0D);
}
else
{
this.worldObj.spawnParticle("smoke", this.explosionX, this.explosionY, this.explosionZ, 1.0D, 0.0D, 0.0D);
}
Iterator iterator;
ChunkPosition chunkposition;
int i;
int j;
int k;
Block block;
if (this.isSmoking)
{
iterator = this.affectedBlockPositions.iterator();
while (iterator.hasNext())
{
chunkposition = (ChunkPosition)iterator.next();
i = chunkposition.chunkPosX;
j = chunkposition.chunkPosY;
k = chunkposition.chunkPosZ;
block = this.worldObj.getBlock(i, j, k);
if (flag)
{
double d0 = (double)((float)i + this.worldObj.rand.nextFloat());
double d1 = (double)((float)j + this.worldObj.rand.nextFloat());
double d2 = (double)((float)k + this.worldObj.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.worldObj.rand.nextFloat() * this.worldObj.rand.nextFloat() + 0.3F);
d3 *= d7;
d4 *= d7;
d5 *= d7;
this.worldObj.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.worldObj.spawnParticle("smoke", d0, d1, d2, d3, d4, d5);
}
if (isGriefing && block.getMaterial() == Material.glass)
{
this.worldObj.setBlockToAir(i, j, k);
this.worldObj.playSoundEffect(i, j, k, "break.glass", 1.0F, 0.75F+(explosionRNG.nextFloat()*0.5F));
}
}
}
if (this.isFlaming)
{
iterator = this.affectedBlockPositions.iterator();
while (iterator.hasNext())
{
chunkposition = (ChunkPosition)iterator.next();
i = chunkposition.chunkPosX;
j = chunkposition.chunkPosY;
k = chunkposition.chunkPosZ;
block = this.worldObj.getBlock(i, j, k);
Block block1 = this.worldObj.getBlock(i, j - 1, k);
if (block.getMaterial() == Material.air && block1.func_149730_j() && this.explosionRNG.nextInt(3) == 0)
{
this.worldObj.setBlock(i, j, k, Blocks.fire);
}
}
}
}
public Map func_77277_b()
{
return this.field_77288_k;
}
public DamageSource getExplosionSource()
{
if(exploder != null)
{
return new EntityDamageSource(type, exploder).setExplosion();
}
return new DamageSource(type).setExplosion();
}
}