001 package net.minecraft.entity.effect;
002
003 import cpw.mods.fml.relauncher.Side;
004 import cpw.mods.fml.relauncher.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.lightningState >= 0)
106 {
107 if (this.worldObj.isRemote)
108 {
109 this.worldObj.lastLightningBolt = 2;
110 }
111 else
112 {
113 double var6 = 3.0D;
114 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));
115
116 for (int var4 = 0; var4 < var7.size(); ++var4)
117 {
118 Entity var5 = (Entity)var7.get(var4);
119 var5.onStruckByLightning(this);
120 }
121 }
122 }
123 }
124
125 protected void entityInit() {}
126
127 /**
128 * (abstract) Protected helper method to read subclass entity data from NBT.
129 */
130 protected void readEntityFromNBT(NBTTagCompound par1NBTTagCompound) {}
131
132 /**
133 * (abstract) Protected helper method to write subclass entity data to NBT.
134 */
135 protected void writeEntityToNBT(NBTTagCompound par1NBTTagCompound) {}
136
137 @SideOnly(Side.CLIENT)
138
139 /**
140 * Checks using a Vec3d to determine if this entity is within range of that vector to be rendered. Args: vec3D
141 */
142 public boolean isInRangeToRenderVec3D(Vec3 par1Vec3)
143 {
144 return this.lightningState >= 0;
145 }
146 }