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