    001    package net.minecraft.client.particle;
    002
    003    import cpw.mods.fml.common.Side;
    004    import cpw.mods.fml.common.asm.SideOnly;
    005    import net.minecraft.block.BlockFluid;
    006    import net.minecraft.block.material.Material;
    007    import net.minecraft.util.MathHelper;
    008    import net.minecraft.world.World;
    009
    010    @SideOnly(Side.CLIENT)
    011    public class EntityDropParticleFX extends EntityFX
    012    {
    013        /** the material type for dropped items/blocks */
    014        private Material materialType;
    015
    016        /** The height of the current bob */
    017        private int bobTimer;
    018
    019        public EntityDropParticleFX(World par1World, double par2, double par4, double par6, Material par8Material)
    020        {
    021            super(par1World, par2, par4, par6, 0.0D, 0.0D, 0.0D);
    022            this.motionX = this.motionY = this.motionZ = 0.0D;
    023
    024            if (par8Material == Material.water)
    025            {
    026                this.particleRed = 0.0F;
    027                this.particleGreen = 0.0F;
    028                this.particleBlue = 1.0F;
    029            }
    030            else
    031            {
    032                this.particleRed = 1.0F;
    033                this.particleGreen = 0.0F;
    034                this.particleBlue = 0.0F;
    035            }
    036
    037            this.setParticleTextureIndex(113);
    038            this.setSize(0.01F, 0.01F);
    039            this.particleGravity = 0.06F;
    040            this.materialType = par8Material;
    041            this.bobTimer = 40;
    042            this.particleMaxAge = (int)(64.0D / (Math.random() * 0.8D + 0.2D));
    043            this.motionX = this.motionY = this.motionZ = 0.0D;
    044        }
    045
    046        public int getBrightnessForRender(float par1)
    047        {
    048            return this.materialType == Material.water ? super.getBrightnessForRender(par1) : 257;
    049        }
    050
    051        /**
    052         * Gets how bright this entity is.
    053         */
    054        public float getBrightness(float par1)
    055        {
    056            return this.materialType == Material.water ? super.getBrightness(par1) : 1.0F;
    057        }
    058
    059        /**
    060         * Called to update the entity's position/logic.
    061         */
    062        public void onUpdate()
    063        {
    064            this.prevPosX = this.posX;
    065            this.prevPosY = this.posY;
    066            this.prevPosZ = this.posZ;
    067
    068            if (this.materialType == Material.water)
    069            {
    070                this.particleRed = 0.2F;
    071                this.particleGreen = 0.3F;
    072                this.particleBlue = 1.0F;
    073            }
    074            else
    075            {
    076                this.particleRed = 1.0F;
    077                this.particleGreen = 16.0F / (float)(40 - this.bobTimer + 16);
    078                this.particleBlue = 4.0F / (float)(40 - this.bobTimer + 8);
    079            }
    080
    081            this.motionY -= (double)this.particleGravity;
    082
    083            if (this.bobTimer-- > 0)
    084            {
    085                this.motionX *= 0.02D;
    086                this.motionY *= 0.02D;
    087                this.motionZ *= 0.02D;
    088                this.setParticleTextureIndex(113);
    089            }
    090            else
    091            {
    092                this.setParticleTextureIndex(112);
    093            }
    094
    095            this.moveEntity(this.motionX, this.motionY, this.motionZ);
    096            this.motionX *= 0.9800000190734863D;
    097            this.motionY *= 0.9800000190734863D;
    098            this.motionZ *= 0.9800000190734863D;
    099
    100            if (this.particleMaxAge-- <= 0)
    101            {
    102                this.setDead();
    103            }
    104
    105            if (this.onGround)
    106            {
    107                if (this.materialType == Material.water)
    108                {
    109                    this.setDead();
    110                    this.worldObj.spawnParticle("splash", this.posX, this.posY, this.posZ, 0.0D, 0.0D, 0.0D);
    111                }
    112                else
    113                {
    114                    this.setParticleTextureIndex(114);
    115                }
    116
    117                this.motionX *= 0.699999988079071D;
    118                this.motionZ *= 0.699999988079071D;
    119            }
    120
    121            Material var1 = this.worldObj.getBlockMaterial(MathHelper.floor_double(this.posX), MathHelper.floor_double(this.posY), MathHelper.floor_double(this.posZ));
    122
    123            if (var1.isLiquid() || var1.isSolid())
    124            {
    125                double var2 = (double)((float)(MathHelper.floor_double(this.posY) + 1) - BlockFluid.getFluidHeightPercent(this.worldObj.getBlockMetadata(MathHelper.floor_double(this.posX), MathHelper.floor_double(this.posY), MathHelper.floor_double(this.posZ))));
    126
    127                if (this.posY < var2)
    128                {
    129                    this.setDead();
    130                }
    131            }
    132        }
    133    }