    001    package net.minecraft.entity.effect;
    002
    003    import cpw.mods.fml.common.Side;
    004    import cpw.mods.fml.common.asm.SideOnly;
    005    import java.util.List;
    006    import net.minecraft.block.Block;
    007    import net.minecraft.entity.Entity;
    008    import net.minecraft.nbt.NBTTagCompound;
    009    import net.minecraft.util.AxisAlignedBB;
    010    import net.minecraft.util.MathHelper;
    011    import net.minecraft.util.Vec3;
    012    import net.minecraft.world.World;
    013
    014    public class EntityLightningBolt extends EntityWeatherEffect
    015    {
    016        /**
    017         * Declares which state the lightning bolt is in. Whether it's in the air, hit the ground, etc.
    018         */
    019        private int lightningState;
    020
    021        /**
    022         * A random long that is used to change the vertex of the lightning rendered in RenderLightningBolt
    023         */
    024        public long boltVertex = 0L;
    025
    026        /**
    027         * Determines the time before the EntityLightningBolt is destroyed. It is a random integer decremented over time.
    028         */
    029        private int boltLivingTime;
    030
    031        public EntityLightningBolt(World par1World, double par2, double par4, double par6)
    032        {
    033            super(par1World);
    034            this.setLocationAndAngles(par2, par4, par6, 0.0F, 0.0F);
    035            this.lightningState = 2;
    036            this.boltVertex = this.rand.nextLong();
    037            this.boltLivingTime = this.rand.nextInt(3) + 1;
    038
    039            if (!par1World.isRemote && par1World.difficultySetting >= 2 && par1World.doChunksNearChunkExist(MathHelper.floor_double(par2), MathHelper.floor_double(par4), MathHelper.floor_double(par6), 10))
    040            {
    041                int var8 = MathHelper.floor_double(par2);
    042                int var9 = MathHelper.floor_double(par4);
    043                int var10 = MathHelper.floor_double(par6);
    044
    045                if (par1World.getBlockId(var8, var9, var10) == 0 && Block.fire.canPlaceBlockAt(par1World, var8, var9, var10))
    046                {
    047                    par1World.setBlockWithNotify(var8, var9, var10, Block.fire.blockID);
    048                }
    049
    050                for (var8 = 0; var8 < 4; ++var8)
    051                {
    052                    var9 = MathHelper.floor_double(par2) + this.rand.nextInt(3) - 1;
    053                    var10 = MathHelper.floor_double(par4) + this.rand.nextInt(3) - 1;
    054                    int var11 = MathHelper.floor_double(par6) + this.rand.nextInt(3) - 1;
    055
    056                    if (par1World.getBlockId(var9, var10, var11) == 0 && Block.fire.canPlaceBlockAt(par1World, var9, var10, var11))
    057                    {
    058                        par1World.setBlockWithNotify(var9, var10, var11, Block.fire.blockID);
    059                    }
    060                }
    061            }
    062        }
    063
    064        /**
    065         * Called to update the entity's position/logic.
    066         */
    067        public void onUpdate()
    068        {
    069            super.onUpdate();
    070
    071            if (this.lightningState == 2)
    072            {
    073                this.worldObj.playSoundEffect(this.posX, this.posY, this.posZ, "ambient.weather.thunder", 10000.0F, 0.8F + this.rand.nextFloat() * 0.2F);
    074                this.worldObj.playSoundEffect(this.posX, this.posY, this.posZ, "random.explode", 2.0F, 0.5F + this.rand.nextFloat() * 0.2F);
    075            }
    076
    077            --this.lightningState;
    078
    079            if (this.lightningState < 0)
    080            {
    081                if (this.boltLivingTime == 0)
    082                {
    083                    this.setDead();
    084                }
    085                else if (this.lightningState < -this.rand.nextInt(10))
    086                {
    087                    --this.boltLivingTime;
    088                    this.lightningState = 1;
    089                    this.boltVertex = this.rand.nextLong();
    090
    091                    if (!this.worldObj.isRemote && this.worldObj.doChunksNearChunkExist(MathHelper.floor_double(this.posX), MathHelper.floor_double(this.posY), MathHelper.floor_double(this.posZ), 10))
    092                    {
    093                        int var1 = MathHelper.floor_double(this.posX);
    094                        int var2 = MathHelper.floor_double(this.posY);
    095                        int var3 = MathHelper.floor_double(this.posZ);
    096
    097                        if (this.worldObj.getBlockId(var1, var2, var3) == 0 && Block.fire.canPlaceBlockAt(this.worldObj, var1, var2, var3))
    098                        {
    099                            this.worldObj.setBlockWithNotify(var1, var2, var3, Block.fire.blockID);
    100                        }
    101                    }
    102                }
    103            }
    104
    105            if (!this.worldObj.isRemote && this.lightningState >= 0)
    106            {
    107                double var6 = 3.0D;
    108                List var7 = this.worldObj.getEntitiesWithinAABBExcludingEntity(this, AxisAlignedBB.getAABBPool().addOrModifyAABBInPool(this.posX - var6, this.posY - var6, this.posZ - var6, this.posX + var6, this.posY + 6.0D + var6, this.posZ + var6));
    109
    110                for (int var4 = 0; var4 < var7.size(); ++var4)
    111                {
    112                    Entity var5 = (Entity)var7.get(var4);
    113                    var5.onStruckByLightning(this);
    114                }
    115
    116                this.worldObj.lightningFlash = 2;
    117            }
    118        }
    119
    120        protected void entityInit() {}
    121
    122        /**
    123         * (abstract) Protected helper method to read subclass entity data from NBT.
    124         */
    125        protected void readEntityFromNBT(NBTTagCompound par1NBTTagCompound) {}
    126
    127        /**
    128         * (abstract) Protected helper method to write subclass entity data to NBT.
    129         */
    130        protected void writeEntityToNBT(NBTTagCompound par1NBTTagCompound) {}
    131
    132        @SideOnly(Side.CLIENT)
    133
    134        /**
    135         * Checks using a Vec3d to determine if this entity is within range of that vector to be rendered. Args: vec3D
    136         */
    137        public boolean isInRangeToRenderVec3D(Vec3 par1Vec3)
    138        {
    139            return this.lightningState >= 0;
    140        }
    141    }