EntityRainFX.java

package net.minecraft.client.particle;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.block.BlockLiquid;
import net.minecraft.block.material.Material;
import net.minecraft.util.MathHelper;
import net.minecraft.world.World;

@SideOnly(Side.CLIENT)
public class EntityRainFX extends EntityFX
{
    private static final String __OBFID = "CL_00000934";

    public EntityRainFX(World p_i1235_1_, double p_i1235_2_, double p_i1235_4_, double p_i1235_6_)
    {
        super(p_i1235_1_, p_i1235_2_, p_i1235_4_, p_i1235_6_, 0.0D, 0.0D, 0.0D);
        this.motionX *= 0.30000001192092896D;
        this.motionY = (double)((float)Math.random() * 0.2F + 0.1F);
        this.motionZ *= 0.30000001192092896D;
        this.particleRed = 1.0F;
        this.particleGreen = 1.0F;
        this.particleBlue = 1.0F;
        this.setParticleTextureIndex(19 + this.rand.nextInt(4));
        this.setSize(0.01F, 0.01F);
        this.particleGravity = 0.06F;
        this.particleMaxAge = (int)(8.0D / (Math.random() * 0.8D + 0.2D));
    }

    /**
     * Called to update the entity's position/logic.
     */
    public void onUpdate()
    {
        this.prevPosX = this.posX;
        this.prevPosY = this.posY;
        this.prevPosZ = this.posZ;
        this.motionY -= (double)this.particleGravity;
        this.moveEntity(this.motionX, this.motionY, this.motionZ);
        this.motionX *= 0.9800000190734863D;
        this.motionY *= 0.9800000190734863D;
        this.motionZ *= 0.9800000190734863D;

        if (this.particleMaxAge-- <= 0)
        {
            this.setDead();
        }

        if (this.onGround)
        {
            if (Math.random() < 0.5D)
            {
                this.setDead();
            }

            this.motionX *= 0.699999988079071D;
            this.motionZ *= 0.699999988079071D;
        }

        Material material = this.worldObj.getBlock(MathHelper.floor_double(this.posX), MathHelper.floor_double(this.posY), MathHelper.floor_double(this.posZ)).getMaterial();

        if (material.isLiquid() || material.isSolid())
        {
            double d0 = (double)((float)(MathHelper.floor_double(this.posY) + 1) - BlockLiquid.getLiquidHeightPercent(this.worldObj.getBlockMetadata(MathHelper.floor_double(this.posX), MathHelper.floor_double(this.posY), MathHelper.floor_double(this.posZ))));

            if (this.posY < d0)
            {
                this.setDead();
            }
        }
    }
}